diff options
Diffstat (limited to 'pkg/report/testdata/linux')
| -rw-r--r-- | pkg/report/testdata/linux/report/349 | 203 | ||||
| -rw-r--r-- | pkg/report/testdata/linux/report/350 | 171 | ||||
| -rw-r--r-- | pkg/report/testdata/linux/report/385 | 491 |
3 files changed, 863 insertions, 2 deletions
diff --git a/pkg/report/testdata/linux/report/349 b/pkg/report/testdata/linux/report/349 index 795826e04..c53e4a498 100644 --- a/pkg/report/testdata/linux/report/349 +++ b/pkg/report/testdata/linux/report/349 @@ -1,4 +1,3 @@ -# TODO: we may want to include traceback from other CPUs into the report. TITLE: INFO: task hung in jbd2_journal_commit_transaction [ 1431.920513][ T1054] INFO: task jbd2/sda-8:3563 blocked for more than 140 seconds. @@ -216,3 +215,205 @@ TITLE: INFO: task hung in jbd2_journal_commit_transaction [ 1432.425305][ T1054] Kernel Offset: disabled [ 1432.425916][ T1054] Rebooting in 86400 seconds.. +REPORT: +INFO: task jbd2/sda-8:3563 blocked for more than 140 seconds. + Not tainted 4.20.0-next-20190102+ #5 +"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +jbd2/sda-8 D22600 3563 2 0x80000000 +Call Trace: + __schedule+0x897/0x1e60 + schedule+0xfe/0x350 + io_schedule+0x1c/0x70 + bit_wait_io+0x17/0x90 + __wait_on_bit+0xb3/0x130 + out_of_line_wait_on_bit+0x1f4/0x3b0 + __wait_on_buffer+0x6f/0x90 + jbd2_journal_commit_transaction+0x658a/0x8ee4 + kjournald2+0x20f/0xb90 + kthread+0x357/0x430 + ret_from_fork+0x3a/0x50 +INFO: task kworker/u12:5:1980 blocked for more than 140 seconds. + Not tainted 4.20.0-next-20190102+ #5 +"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +kworker/u12:5 D21864 1980 2 0x80000000 +Workqueue: writeback wb_workfn (flush-8:0) +Call Trace: + __schedule+0x897/0x1e60 + schedule+0xfe/0x350 + io_schedule+0x1c/0x70 + rq_qos_wait+0x2f2/0x600 + wbt_wait+0x266/0x430 + __rq_qos_throttle+0x58/0xb0 + blk_mq_make_request+0x424/0x1e10 + generic_make_request+0x902/0x17f0 + submit_bio+0xba/0x480 + ext4_io_submit+0x197/0x230 + ext4_writepages+0x139d/0x4180 + do_writepages+0x99/0x1a0 + __writeback_single_inode+0x1c5/0x1620 + writeback_sb_inodes+0x762/0x1260 + __writeback_inodes_wb+0x16d/0x3d0 + wb_writeback+0xa2d/0xf70 + wb_workfn+0xccc/0x16f0 + process_one_work+0xd0c/0x1ce0 + worker_thread+0x143/0x14a0 + kthread+0x357/0x430 + ret_from_fork+0x3a/0x50 +INFO: task syz-executor2:6677 blocked for more than 140 seconds. + Not tainted 4.20.0-next-20190102+ #5 +"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +syz-executor2 D19624 6677 22450 0x00000004 +Call Trace: + __schedule+0x897/0x1e60 + schedule+0xfe/0x350 + io_schedule+0x1c/0x70 + wait_on_page_bit_common+0xad5/0x1370 + __filemap_fdatawait_range+0x614/0x890 + file_write_and_wait_range+0xd1/0x100 + ext4_sync_file+0x2da/0x14d0 + vfs_fsync_range+0x144/0x230 + ext4_file_write_iter+0x683/0x1400 + do_iter_readv_writev+0x902/0xbc0 + do_iter_write+0x184/0x610 + vfs_iter_write+0x77/0xb0 + iter_file_splice_write+0x885/0xfc0 + direct_splice_actor+0x126/0x1a0 + splice_direct_to_actor+0x3be/0x9d0 + do_splice_direct+0x2c7/0x420 + do_sendfile+0x61a/0xe60 + __x64_sys_sendfile64+0x15a/0x240 + do_syscall_64+0x1a3/0x800 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x4576a9 +Code: 3b 41 10 76 7d 48 81 ec 88 00 00 00 48 89 ac 24 80 00 00 00 48 8d ac 24 80 00 00 00 48 8b 59 20 48 85 db 75 67 48 8b b4 24 a0 <00> 00 00 8b 8c 24 a8 00 00 00 48 89 e7 f3 a4 48 8b 94 24 98 00 00 +RSP: 002b:00007f66fbce3c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 +RAX: ffffffffffffffda RBX: 000000000071bf00 RCX: 00000000004576a9 +RDX: 0000000020000040 RSI: 0000000000000005 RDI: 0000000000000005 +RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 +R10: 00008080fffffffe R11: 0000000000000246 R12: 00007f66fbce46d4 +R13: 00000000004abcac R14: 00000000006eb9b8 R15: 00000000ffffffff +INFO: task syz-executor2:6693 blocked for more than 140 seconds. + Not tainted 4.20.0-next-20190102+ #5 +"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +syz-executor2 D22200 6693 22450 0x00000004 +Call Trace: + __schedule+0x897/0x1e60 + schedule+0xfe/0x350 + jbd2_log_wait_commit+0x320/0x4b0 + jbd2_complete_transaction+0x18c/0x1e0 + ext4_sync_file+0x1211/0x14d0 + vfs_fsync_range+0x144/0x230 + ext4_file_write_iter+0x683/0x1400 + do_iter_readv_writev+0x902/0xbc0 + do_iter_write+0x184/0x610 + vfs_iter_write+0x77/0xb0 + iter_file_splice_write+0x885/0xfc0 + direct_splice_actor+0x126/0x1a0 + splice_direct_to_actor+0x3be/0x9d0 + do_splice_direct+0x2c7/0x420 + do_sendfile+0x61a/0xe60 + __x64_sys_sendfile64+0x15a/0x240 + do_syscall_64+0x1a3/0x800 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x4576a9 +Code: 3b 41 10 76 7d 48 81 ec 88 00 00 00 48 89 ac 24 80 00 00 00 48 8d ac 24 80 00 00 00 48 8b 59 20 48 85 db 75 67 48 8b b4 24 a0 <00> 00 00 8b 8c 24 a8 00 00 00 48 89 e7 f3 a4 48 8b 94 24 98 00 00 +RSP: 002b:00007f66fbcc2c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 +RAX: ffffffffffffffda RBX: 000000000071bfa0 RCX: 00000000004576a9 +RDX: 0000000020000380 RSI: 0000000000000005 RDI: 0000000000000005 +RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 +R10: 0001000000020000 R11: 0000000000000246 R12: 00007f66fbcc36d4 +R13: 00000000004abcac R14: 00000000006eb9b8 R15: 00000000ffffffff + +Showing all locks held in the system: +1 lock held by khungtaskd/1054: + #0: 00000000c542499d (rcu_read_lock){....}, at: debug_show_all_locks+0xc6/0x41d +1 lock held by rsyslogd/5859: + #0: 00000000567e80cf (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1b3/0x1f0 +2 locks held by getty/5951: + #0: 000000003b0dfac2 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000281ebc43 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x30a/0x1eb0 +2 locks held by getty/5952: + #0: 00000000f0d48c91 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000cff3c1fb (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x30a/0x1eb0 +2 locks held by getty/5953: + #0: 00000000cb353a8f (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000373ded25 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x30a/0x1eb0 +2 locks held by getty/5954: + #0: 000000005c8be537 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000d7aec815 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x30a/0x1eb0 +2 locks held by getty/5955: + #0: 00000000eda8138a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000f4fd60a6 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x30a/0x1eb0 +2 locks held by getty/5956: + #0: 000000000745b5fb (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000a4c3442a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x30a/0x1eb0 +2 locks held by getty/5957: + #0: 000000002cb7c49e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 000000009258e26f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x30a/0x1eb0 +4 locks held by kworker/u12:5/1980: + #0: 000000005e902bc8 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0xbc7/0x1ce0 + #1: 0000000056cd520a ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0xc1d/0x1ce0 + #2: 00000000146ba37b (&type->s_umount_key#30){++++}, at: trylock_super+0x22/0x110 + #3: 00000000fec9c2c2 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0x99/0x1a0 +1 lock held by syz-executor2/6677: + #0: 000000007b67e744 (sb_writers#3){.+.+}, at: do_sendfile+0xad7/0xe60 +1 lock held by syz-executor2/6693: + #0: 000000007b67e744 (sb_writers#3){.+.+}, at: do_sendfile+0xad7/0xe60 + +============================================= + +NMI backtrace for cpu 3 +CPU: 3 PID: 1054 Comm: khungtaskd Not tainted 4.20.0-next-20190102+ #5 +Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 +Call Trace: + dump_stack+0x1db/0x2d0 + nmi_cpu_backtrace.cold+0x63/0xa4 + nmi_trigger_cpumask_backtrace+0x1be/0x236 + arch_trigger_cpumask_backtrace+0x14/0x20 + watchdog+0xbbb/0x1170 + kthread+0x357/0x430 + ret_from_fork+0x3a/0x50 +Sending NMI from CPU 3 to CPUs 0-2: +NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0x2/0x10 +NMI backtrace for cpu 2 skipped: idling at native_safe_halt+0x2/0x10 +NMI backtrace for cpu 1 +CPU: 1 PID: 5857 Comm: rs:main Q:Reg Not tainted 4.20.0-next-20190102+ #5 +Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 +RIP: 0010:unwind_next_frame+0x36/0x50 +Code: fa 55 48 c1 ea 03 48 89 e5 48 83 ec 08 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 0f 8b 17 31 c0 85 d2 74 05 <e8> 35 f5 ff ff c9 c3 48 89 7d f8 e8 aa 54 8e 00 48 8b 7d f8 eb e2 +RSP: 0018:ffff88805f667100 EFLAGS: 00000202 +RAX: 0000000000000000 RBX: ffff88805f6671b8 RCX: 000000000000000f +RDX: 0000000000000001 RSI: ffffffff8100c393 RDI: ffff88805f667118 +RBP: ffff88805f667108 R08: 0000000000000001 R09: ffff88805f667168 +R10: ffff88805f667140 R11: ffff88805f667150 R12: 0000000000000000 +R13: 0000000000000000 R14: ffff88805c5d2500 R15: ffff8880664f37c0 +FS: 00007fc30a025700(0000) GS:ffff88806c440000(0000) knlGS:0000000000000000 +CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +CR2: 00007f8d9477b190 CR3: 000000006300b001 CR4: 00000000001606e0 +Call Trace: + __save_stack_trace+0x7a/0xf0 + save_stack_trace+0x1a/0x20 + save_stack+0x45/0xd0 + kasan_kmalloc+0xcf/0xe0 + kasan_slab_alloc+0xf/0x20 + kmem_cache_alloc+0x12d/0x710 + jbd2__journal_start+0x1e4/0xa80 + __ext4_journal_start_sb+0x1a7/0x630 + ext4_da_write_begin+0x4ee/0x12d0 + generic_perform_write+0x2a0/0x6b0 + __generic_file_write_iter+0x25e/0x630 + ext4_file_write_iter+0x381/0x1400 + __vfs_write+0x764/0xb40 + vfs_write+0x20c/0x580 + ksys_write+0x105/0x260 + __x64_sys_write+0x73/0xb0 + do_syscall_64+0x1a3/0x800 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x7fc30ba8319d +Code: d1 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 be fa ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 07 fb ff ff 48 89 d0 48 83 c4 08 48 3d 01 +RSP: 002b:00007fc30a023f90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 +RAX: ffffffffffffffda RBX: 0000000000000400 RCX: 00007fc30ba8319d +RDX: 0000000000000400 RSI: 00000000008d3ce0 RDI: 0000000000000002 +RBP: 00000000008d3ce0 R08: 00000000008d408d R09: 00007fc30b3ffe07 +R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 +R13: 00007fc30a024410 R14: 00007fc304002a50 R15: 00000000008d3ac0 diff --git a/pkg/report/testdata/linux/report/350 b/pkg/report/testdata/linux/report/350 index e9a26d2c6..91f72a584 100644 --- a/pkg/report/testdata/linux/report/350 +++ b/pkg/report/testdata/linux/report/350 @@ -1,4 +1,3 @@ -# TODO: we may want to include traceback from other CPUs into the report. TITLE: BUG: soft lockup in perf_release [ 1098.601132][ C2] watchdog: BUG: soft lockup - CPU#2 stuck for 136s! [syz-executor4:4888] @@ -263,3 +262,173 @@ TITLE: BUG: soft lockup in perf_release [ 1100.153466][ C2] syz-exec-31490 2...1 413721002us : 0: }D [ 1100.154284][ C2] syz-exec-31490 2...1 413721003us : 0: }D +REPORT: +watchdog: BUG: soft lockup - CPU#2 stuck for 136s! [syz-executor4:4888] +Modules linked in: +irq event stamp: 79894 +hardirqs last enabled at (79893): [<ffffffff81007bd9>] trace_hardirqs_on_thunk+0x1a/0x1c +hardirqs last disabled at (79894): [<ffffffff81007bf5>] trace_hardirqs_off_thunk+0x1a/0x1c +softirqs last enabled at (0): [<ffffffff814aaac4>] copy_process+0x1d14/0x8720 +softirqs last disabled at (0): [<0000000000000000>] (null) +CPU: 2 PID: 4888 Comm: syz-executor4 Not tainted 4.20.0-next-20190102+ #5 +Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 +RIP: 0010:__sanitizer_cov_trace_const_cmp4+0xd/0x20 +Code: d6 0f b7 f7 bf 03 00 00 00 48 89 e5 48 8b 4d 08 e8 d8 fe ff ff 5d c3 66 0f 1f 44 00 00 55 89 f2 89 fe bf 05 00 00 00 48 89 e5 <48> 8b 4d 08 e8 ba fe ff ff 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 +RSP: 0018:ffff88803b35f218 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 +RAX: 0000000000000004 RBX: ffffed100766be5a RCX: ffffffff81759ae5 +RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005 +RBP: ffff88803b35f218 R08: ffff88805a72a540 R09: ffff88805a72ae80 +R10: ffff88805a72a540 R11: 0000000000000000 R12: ffff88806c437fe0 +R13: 0000000000000001 R14: ffff88803b35f310 R15: 0000000000000003 +FS: 0000000001b86940(0000) GS:ffff88806c480000(0000) knlGS:0000000000000000 +CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +CR2: 0000001b2d423000 CR3: 000000003ce21003 CR4: 00000000001606e0 +DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 +DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 +Call Trace: + smp_call_function_many+0x8d5/0xb10 + smp_call_function+0x42/0x90 + on_each_cpu+0x31/0x200 + text_poke_bp+0x101/0x1e5 + __jump_label_transform+0x33f/0x4d0 + arch_jump_label_transform+0x2b/0x40 + __jump_label_update+0x16a/0x210 + jump_label_update+0x1ce/0x3d0 + __static_key_slow_dec_cpuslocked+0xc5/0x220 + static_key_slow_dec+0x60/0xa0 + tracepoint_probe_unregister+0x73e/0x940 + trace_event_reg+0x189/0x350 + perf_trace_event_unreg.isra.0+0xbb/0x220 + perf_trace_destroy+0xc1/0x100 + tp_perf_event_destroy+0x16/0x20 + _free_event+0x3ee/0x1640 + put_event+0x47/0x60 + perf_event_release_kernel+0x890/0xf70 + perf_release+0x37/0x50 + __fput+0x3c5/0xb10 + ____fput+0x16/0x20 + task_work_run+0x1f4/0x2b0 + exit_to_usermode_loop+0x32a/0x3b0 + do_syscall_64+0x696/0x800 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x411071 +Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 74 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 +RSP: 002b:00007ffffa2d80d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 +RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000411071 +RDX: 0000001b2d420000 RSI: 00007fd53b7c3510 RDI: 0000000000000003 +RBP: 0000000000000000 R08: 00007fd53b7c3048 R09: 000000003df39a59 +R10: 00007ffffa2d8000 R11: 0000000000000293 R12: 0000000000000001 +R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffffa2d8190 +Sending NMI from CPU 2 to CPUs 0-1,3: +NMI backtrace for cpu 1 +CPU: 1 PID: 22149 Comm: kworker/1:1 Not tainted 4.20.0-next-20190102+ #5 +Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 +Workqueue: rcu_gp process_srcu +RIP: 0010:delay_tsc+0x33/0xc0 +Code: bf 01 00 00 00 41 55 41 54 53 e8 58 18 66 f9 e8 f3 ad 9f fb 41 89 c5 0f ae e8 0f 31 48 c1 e2 20 48 09 c2 49 89 d4 eb 16 f3 90 <bf> 01 00 00 00 e8 33 18 66 f9 e8 ce ad 9f fb 44 39 e8 75 36 0f ae +RSP: 0018:ffff88803ce475a0 EFLAGS: 00000286 +RAX: 0000000080000000 RBX: 0000029824c8de8b RCX: 0000000000000000 +RDX: 0000000000000004 RSI: ffffffff8391c828 RDI: 0000000000000001 +RBP: ffff88803ce475c0 R08: ffff88806b55c240 R09: fffffbfff16b1885 +R10: ffff88803ce47710 R11: ffffffff8b58c427 R12: 0000029824c8d990 +R13: 0000000000000001 R14: 00000000000032ab R15: ffffffff8b58c080 +FS: 0000000000000000(0000) GS:ffff88806c440000(0000) knlGS:0000000000000000 +CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +CR2: ffffffffff600400 CR3: 000000005ad83004 CR4: 00000000001606e0 +Call Trace: + __const_udelay+0x5f/0x80 + try_check_zero+0x352/0x5c0 + process_srcu+0x642/0x1400 + process_one_work+0xd0c/0x1ce0 + worker_thread+0x143/0x14a0 + kthread+0x357/0x430 + ret_from_fork+0x3a/0x50 +NMI backtrace for cpu 0 +CPU: 0 PID: 3681 Comm: udevd Not tainted 4.20.0-next-20190102+ #5 +Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 +RIP: 0010:native_queued_spin_lock_slowpath+0x323/0x1290 +Code: 00 00 00 fc ff df 49 c1 ec 03 4d 01 fc 45 84 f6 41 c6 04 24 f8 74 4f 4c 89 ee 83 e6 07 83 c6 03 f3 90 4c 89 e8 41 c6 04 24 04 <48> c1 e8 03 42 0f b6 04 38 40 38 c6 7c 08 84 c0 0f 85 f5 09 00 00 +RSP: 0000:ffff88806c4077f8 EFLAGS: 00000002 +RAX: ffff88806b9f4798 RBX: ffff88806c4079a0 RCX: ffff88806c4078b0 +RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff88806b9f4798 +RBP: ffff88806c4079c8 R08: 1ffff1100d73e8f3 R09: ffffed100d73e8f4 +R10: ffffed100d73e8f3 R11: ffff88806b9f479b R12: ffffed100d880f16 +R13: ffff88806b9f4798 R14: 0000000000000101 R15: dffffc0000000000 +FS: 00007fdf8d22a7a0(0000) GS:ffff88806c400000(0000) knlGS:0000000000000000 +CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +CR2: 00000000023997d0 CR3: 000000006b1bd002 CR4: 00000000001606f0 +Call Trace: + <IRQ> + do_raw_spin_lock+0x2af/0x360 + _raw_spin_lock+0x37/0x40 + drm_handle_vblank+0x154/0xc70 + drm_crtc_handle_vblank+0x63/0x90 + vkms_vblank_simulate+0x61/0x290 + __hrtimer_run_queues+0x3a7/0x1050 + hrtimer_interrupt+0x314/0x770 + smp_apic_timer_interrupt+0x18d/0x760 + apic_timer_interrupt+0xf/0x20 + </IRQ> +RIP: 0033:0x4179c0 +Code: 40 00 48 8d 3d 3a 88 00 00 b9 09 00 00 00 48 89 de f3 a6 0f 84 91 01 00 00 48 8d 3d 2d 88 00 00 b9 05 00 00 00 48 89 de f3 a6 <0f> 84 22 02 00 00 48 8d 3d 1c 88 00 00 b9 12 00 00 00 48 89 de f3 +RSP: 002b:00007fff245ca880 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff13 +RAX: 0000000000000000 RBX: 00007fff245cae1f RCX: 0000000000000004 +RDX: 0000000000000000 RSI: 00007fff245cae20 RDI: 00000000004201e4 +RBP: 00000000023a3f90 R08: 00007fff245cae1f R09: 00007fdf8c98a3f0 +R10: 00000000023a0920 R11: 00000000023a4ce0 R12: 00007fff245cad80 +R13: 00000000000000ac R14: 00000000023872d0 R15: 00007fff245cae1f +NMI backtrace for cpu 3 +CPU: 3 PID: 4874 Comm: udevd Not tainted 4.20.0-next-20190102+ #5 +Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 +RIP: 0010:lock_acquire+0x27d/0x570 +Code: 48 ff ff ff 57 9d 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 03 85 40 ff ff ff 48 c7 00 00 00 00 00 c7 40 08 00 00 00 00 <48> 8b 45 d0 65 48 33 04 25 28 00 00 00 0f 85 77 02 00 00 48 8d 65 +RSP: 0018:ffff88806c4c75d8 EFLAGS: 00000086 +RAX: ffffed100d898ec0 RBX: ffff88805034c100 RCX: 0000000000000000 +RDX: dffffc0000000000 RSI: 00000000000046f9 RDI: 0000000000000086 +RBP: ffff88806c4c76a8 R08: 0000000000000005 R09: ffff88805034ca68 +R10: ffff88805034ca48 R11: 0000000000000001 R12: ffff88806c425d58 +R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 +FS: 00007fdf8d22a7a0(0000) GS:ffff88806c4c0000(0000) knlGS:0000000000000000 +CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +CR2: 0000000000625208 CR3: 0000000020393002 CR4: 00000000001606e0 +Call Trace: + <IRQ> + _raw_spin_lock_irqsave+0x95/0xcd + lock_hrtimer_base.isra.0+0x75/0x130 + hrtimer_try_to_cancel+0xfe/0x6b0 + hrtimer_cancel+0x20/0x40 + vkms_disable_vblank+0x19/0x20 + drm_vblank_disable_and_save+0x391/0x4a0 + vblank_disable_fn+0x22c/0x280 + call_timer_fn+0x254/0x900 + __run_timers+0x6fc/0xd50 + run_timer_softirq+0x52/0xb0 + __do_softirq+0x30b/0xb11 + irq_exit+0x180/0x1d0 + smp_apic_timer_interrupt+0x1b7/0x760 + apic_timer_interrupt+0xf/0x20 + </IRQ> +RIP: 0010:handle_mm_fault+0x7f4/0xc80 +Code: 48 c1 e8 03 80 3c 10 00 0f 85 c9 03 00 00 48 83 3d 70 ce db 07 00 0f 84 ff 02 00 00 e8 75 4f cb ff 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e9 98 fb ff ff e8 5d 4f cb ff 48 ba 00 00 00 00 00 +RSP: 0018:ffff88800a7ff7b0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 +RAX: ffff88805034c100 RBX: 0000000000000200 RCX: 1ffff1100a069934 +RDX: 0000000000000000 RSI: ffffffff81b6b18b RDI: 0000000000000293 +RBP: ffff88800a7ff858 R08: 0000000000000006 R09: ffff88805034c9a0 +R10: ffff88805034c100 R11: 0000000000000000 R12: ffff8880607ea738 +R13: 0000000000000081 R14: 1ffff110014ffefa R15: 0000000000000000 + __get_user_pages+0x8f7/0x1e10 + get_user_pages_remote+0x21d/0x440 + copy_strings.isra.0+0x3fd/0xa70 + copy_strings_kernel+0xa5/0x110 + __do_execve_file.isra.0+0x124e/0x2700 + __x64_sys_execve+0x8f/0xc0 + do_syscall_64+0x1a3/0x800 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x7fdf8c90e207 +Code: 77 19 f4 48 89 d7 44 89 c0 0f 05 48 3d 00 f0 ff ff 76 e0 f7 d8 64 41 89 01 eb d8 f7 d8 64 41 89 01 eb df b8 3b 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 f3 c3 48 8b 15 00 8c 2d 00 f7 d8 64 89 02 +RSP: 002b:00007fff245c5488 EFLAGS: 00000206 ORIG_RAX: 000000000000003b +RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007fdf8c90e207 +RDX: 0000000002398aa0 RSI: 00007fff245c5580 RDI: 00007fff245c6590 +RBP: 0000000000625500 R08: 0000000000001ca3 R09: 0000000000001ca3 +R10: 0000000000000000 R11: 0000000000000206 R12: 0000000002398aa0 +R13: 0000000000000007 R14: 0000000002387250 R15: 0000000000000005 diff --git a/pkg/report/testdata/linux/report/385 b/pkg/report/testdata/linux/report/385 new file mode 100644 index 000000000..35a7f0198 --- /dev/null +++ b/pkg/report/testdata/linux/report/385 @@ -0,0 +1,491 @@ +TITLE: INFO: task hung in mount_bdev + +[ 767.964958][ T1042] INFO: task syz-executor013:7561 blocked for more than 143 seconds. +[ 767.973200][ T1042] Not tainted 5.1.0-rc6+ #90 +[ 767.978361][ T1042] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +[ 767.987323][ T1042] syz-executor013 D29336 7561 7543 0x00000004 +[ 767.993661][ T1042] Call Trace: +[ 767.997133][ T1042] __schedule+0x813/0x1cc0 +[ 768.014473][ T1042] schedule+0x92/0x180 +[ 768.020552][ T1042] schedule_preempt_disabled+0x13/0x20 +[ 768.027010][ T1042] __mutex_lock+0x726/0x1310 +[ 768.051197][ T1042] mutex_lock_nested+0x16/0x20 +[ 768.061122][ T1042] mount_bdev+0x93/0x3c0 +[ 768.075747][ T1042] udf_mount+0x35/0x40 +[ 768.085482][ T1042] legacy_get_tree+0xf2/0x200 +[ 768.096701][ T1042] vfs_get_tree+0x123/0x450 +[ 768.101589][ T1042] do_mount+0x1436/0x2c40 +[ 768.127663][ T1042] ksys_mount+0xdb/0x150 +[ 768.132136][ T1042] __x64_sys_mount+0xbe/0x150 +[ 768.136893][ T1042] do_syscall_64+0x103/0x610 +[ 768.141633][ T1042] entry_SYSCALL_64_after_hwframe+0x49/0xbe +[ 768.147568][ T1042] RIP: 0033:0x44a739 +[ 768.151707][ T1042] Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +[ 768.172294][ T1042] RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +[ 768.180755][ T1042] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +[ 768.188912][ T1042] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +[ 768.196921][ T1042] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +[ 768.205082][ T1042] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +[ 768.213067][ T1042] R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +[ 768.221103][ T1042] INFO: task syz-executor013:7563 blocked for more than 143 seconds. +[ 768.229355][ T1042] Not tainted 5.1.0-rc6+ #90 +[ 768.234452][ T1042] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +[ 768.243162][ T1042] syz-executor013 D29720 7563 7541 0x00000004 +[ 768.249679][ T1042] Call Trace: +[ 768.252972][ T1042] __schedule+0x813/0x1cc0 +[ 768.267246][ T1042] schedule+0x92/0x180 +[ 768.271455][ T1042] schedule_preempt_disabled+0x13/0x20 +[ 768.276960][ T1042] __mutex_lock+0x726/0x1310 +[ 768.301820][ T1042] mutex_lock_nested+0x16/0x20 +[ 768.311709][ T1042] mount_bdev+0x93/0x3c0 +[ 768.326135][ T1042] udf_mount+0x35/0x40 +[ 768.335859][ T1042] legacy_get_tree+0xf2/0x200 +[ 768.347058][ T1042] vfs_get_tree+0x123/0x450 +[ 768.351780][ T1042] do_mount+0x1436/0x2c40 +[ 768.377854][ T1042] ksys_mount+0xdb/0x150 +[ 768.382226][ T1042] __x64_sys_mount+0xbe/0x150 +[ 768.386954][ T1042] do_syscall_64+0x103/0x610 +[ 768.391686][ T1042] entry_SYSCALL_64_after_hwframe+0x49/0xbe +[ 768.397620][ T1042] RIP: 0033:0x44a739 +[ 768.401661][ T1042] Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +[ 768.425721][ T1042] RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +[ 768.434131][ T1042] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +[ 768.442159][ T1042] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +[ 768.450311][ T1042] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +[ 768.458340][ T1042] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +[ 768.466471][ T1042] R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +[ 768.474468][ T1042] INFO: task syz-executor013:7559 blocked for more than 143 seconds. +[ 768.482591][ T1042] Not tainted 5.1.0-rc6+ #90 +[ 768.487887][ T1042] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +[ 768.496604][ T1042] syz-executor013 D29096 7559 7544 0x00000004 +[ 768.503084][ T1042] Call Trace: +[ 768.506426][ T1042] __schedule+0x813/0x1cc0 +[ 768.532461][ T1042] schedule+0x92/0x180 +[ 768.536599][ T1042] rwsem_down_write_failed+0x774/0xc30 +[ 768.552726][ T1042] call_rwsem_down_write_failed+0x17/0x30 +[ 768.565335][ T1042] down_write+0x53/0x90 +[ 768.574050][ T1042] grab_super+0xb4/0x290 +[ 768.598508][ T1042] sget_userns+0x1ab/0x560 +[ 768.618257][ T1042] sget+0x10c/0x150 +[ 768.622213][ T1042] mount_bdev+0xff/0x3c0 +[ 768.631400][ T1042] udf_mount+0x35/0x40 +[ 768.641676][ T1042] legacy_get_tree+0xf2/0x200 +[ 768.652778][ T1042] vfs_get_tree+0x123/0x450 +[ 768.657331][ T1042] do_mount+0x1436/0x2c40 +[ 768.683418][ T1042] ksys_mount+0xdb/0x150 +[ 768.688581][ T1042] __x64_sys_mount+0xbe/0x150 +[ 768.693263][ T1042] do_syscall_64+0x103/0x610 +[ 768.697905][ T1042] entry_SYSCALL_64_after_hwframe+0x49/0xbe +[ 768.703939][ T1042] RIP: 0033:0x44a739 +[ 768.707867][ T1042] Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +[ 768.727665][ T1042] RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +[ 768.736116][ T1042] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +[ 768.744225][ T1042] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +[ 768.752255][ T1042] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +[ 768.760408][ T1042] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +[ 768.768434][ T1042] R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +[ 768.776604][ T1042] INFO: task syz-executor013:7565 blocked for more than 144 seconds. +[ 768.784665][ T1042] Not tainted 5.1.0-rc6+ #90 +[ 768.789817][ T1042] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +[ 768.798628][ T1042] syz-executor013 D29720 7565 7542 0x00000004 +[ 768.805023][ T1042] Call Trace: +[ 768.808446][ T1042] __schedule+0x813/0x1cc0 +[ 768.824670][ T1042] schedule+0x92/0x180 +[ 768.828797][ T1042] schedule_preempt_disabled+0x13/0x20 +[ 768.834395][ T1042] __mutex_lock+0x726/0x1310 +[ 768.858495][ T1042] mutex_lock_nested+0x16/0x20 +[ 768.868373][ T1042] mount_bdev+0x93/0x3c0 +[ 768.883017][ T1042] udf_mount+0x35/0x40 +[ 768.892748][ T1042] legacy_get_tree+0xf2/0x200 +[ 768.903904][ T1042] vfs_get_tree+0x123/0x450 +[ 768.908456][ T1042] do_mount+0x1436/0x2c40 +[ 768.934426][ T1042] ksys_mount+0xdb/0x150 +[ 768.938706][ T1042] __x64_sys_mount+0xbe/0x150 +[ 768.943534][ T1042] do_syscall_64+0x103/0x610 +[ 768.949064][ T1042] entry_SYSCALL_64_after_hwframe+0x49/0xbe +[ 768.955007][ T1042] RIP: 0033:0x44a739 +[ 768.959046][ T1042] Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +[ 768.978703][ T1042] RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +[ 768.987283][ T1042] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +[ 768.995519][ T1042] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +[ 769.003491][ T1042] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +[ 769.011744][ T1042] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +[ 769.019970][ T1042] R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +[ 769.028216][ T1042] INFO: task syz-executor013:7562 blocked for more than 144 seconds. +[ 769.036488][ T1042] Not tainted 5.1.0-rc6+ #90 +[ 769.041593][ T1042] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +[ 769.050508][ T1042] syz-executor013 D29720 7562 7546 0x00000004 +[ 769.057086][ T1042] Call Trace: +[ 769.060405][ T1042] __schedule+0x813/0x1cc0 +[ 769.074730][ T1042] schedule+0x92/0x180 +[ 769.079874][ T1042] schedule_preempt_disabled+0x13/0x20 +[ 769.085567][ T1042] __mutex_lock+0x726/0x1310 +[ 769.109790][ T1042] mutex_lock_nested+0x16/0x20 +[ 769.119731][ T1042] mount_bdev+0x93/0x3c0 +[ 769.134260][ T1042] udf_mount+0x35/0x40 +[ 769.144069][ T1042] legacy_get_tree+0xf2/0x200 +[ 769.155565][ T1042] vfs_get_tree+0x123/0x450 +[ 769.160068][ T1042] do_mount+0x1436/0x2c40 +[ 769.186353][ T1042] ksys_mount+0xdb/0x150 +[ 769.190596][ T1042] __x64_sys_mount+0xbe/0x150 +[ 769.195513][ T1042] do_syscall_64+0x103/0x610 +[ 769.200101][ T1042] entry_SYSCALL_64_after_hwframe+0x49/0xbe +[ 769.207055][ T1042] RIP: 0033:0x44a739 +[ 769.210958][ T1042] Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +[ 769.230833][ T1042] RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +[ 769.239504][ T1042] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +[ 769.247745][ T1042] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +[ 769.255934][ T1042] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +[ 769.263903][ T1042] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +[ 769.272144][ T1042] R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +[ 769.280357][ T1042] +[ 769.280357][ T1042] Showing all locks held in the system: +[ 769.288320][ T1042] 1 lock held by khungtaskd/1042: +[ 769.293332][ T1042] #0: 000000006329251d (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e +[ 769.303003][ T1042] 1 lock held by rsyslogd/7425: +[ 769.308092][ T1042] #0: 00000000d77ddd95 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 +[ 769.316994][ T1042] 2 locks held by getty/7515: +[ 769.321658][ T1042] #0: 000000004c45b4e6 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 +[ 769.330857][ T1042] #1: 00000000cb1f5c30 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +[ 769.341530][ T1042] 2 locks held by getty/7516: +[ 769.346430][ T1042] #0: 0000000061e5eac7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 +[ 769.355629][ T1042] #1: 00000000aab03c35 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +[ 769.365512][ T1042] 2 locks held by getty/7517: +[ 769.370176][ T1042] #0: 00000000205ee5b4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 +[ 769.379359][ T1042] #1: 0000000002712bdb (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +[ 769.389227][ T1042] 2 locks held by getty/7518: +[ 769.393891][ T1042] #0: 000000000cc046b2 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 +[ 769.408494][ T1042] #1: 00000000d5140a4a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +[ 769.418291][ T1042] 2 locks held by getty/7519: +[ 769.422966][ T1042] #0: 000000003624da6d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 +[ 769.432226][ T1042] #1: 00000000f5b16893 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +[ 769.442027][ T1042] 2 locks held by getty/7520: +[ 769.446931][ T1042] #0: 0000000082294f91 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 +[ 769.456132][ T1042] #1: 00000000870dfcb5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +[ 769.466699][ T1042] 2 locks held by getty/7521: +[ 769.472073][ T1042] #0: 000000000f72fa86 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 +[ 769.481384][ T1042] #1: 00000000a044b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +[ 769.491648][ T1042] 2 locks held by syz-executor013/7547: +[ 769.497458][ T1042] 1 lock held by syz-executor013/7561: +[ 769.502908][ T1042] #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 +[ 769.512707][ T1042] 1 lock held by syz-executor013/7563: +[ 769.518395][ T1042] #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 +[ 769.528048][ T1042] 2 locks held by syz-executor013/7559: +[ 769.533585][ T1042] #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 +[ 769.543245][ T1042] #1: 000000001ecfe564 (&type->s_umount_key#39){+.+.}, at: grab_super+0xb4/0x290 +[ 769.552721][ T1042] 1 lock held by syz-executor013/7565: +[ 769.558422][ T1042] #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 +[ 769.568068][ T1042] 1 lock held by syz-executor013/7562: +[ 769.573513][ T1042] #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 +[ 769.583183][ T1042] +[ 769.585751][ T1042] ============================================= +[ 769.585751][ T1042] +[ 769.594153][ T1042] NMI backtrace for cpu 1 +[ 769.598535][ T1042] CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc6+ #90 +[ 769.606068][ T1042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 769.616138][ T1042] Call Trace: +[ 769.619493][ T1042] dump_stack+0x172/0x1f0 +[ 769.623825][ T1042] nmi_cpu_backtrace.cold+0x63/0xa4 +[ 769.634703][ T1042] nmi_trigger_cpumask_backtrace+0x1be/0x236 +[ 769.640680][ T1042] arch_trigger_cpumask_backtrace+0x14/0x20 +[ 769.646575][ T1042] watchdog+0x9b7/0xec0 +[ 769.650818][ T1042] kthread+0x357/0x430 +[ 769.666665][ T1042] ret_from_fork+0x3a/0x50 +[ 769.671151][ T1042] Sending NMI from CPU 1 to CPUs 0: +[ 769.677189][ C0] NMI backtrace for cpu 0 +[ 769.677194][ C0] CPU: 0 PID: 7547 Comm: syz-executor013 Not tainted 5.1.0-rc6+ #90 +[ 769.677200][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 769.677204][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 +[ 769.677215][ C0] Code: 25 b4 7e ec 08 41 bc f4 ff ff ff e8 cd 5d ea ff 48 c7 05 9e 7e ec 08 00 00 00 00 e9 a4 e9 ff ff 90 90 90 90 90 90 90 90 90 55 <48> 89 e5 48 8b 75 08 65 48 8b 04 25 00 ee 01 00 65 8b 15 c8 60 91 +[ 769.677219][ C0] RSP: 0018:ffff8880973ef470 EFLAGS: 00000246 +[ 769.677226][ C0] RAX: 0000000000000000 RBX: ffff8880973ef568 RCX: ffffffff870d9383 +[ 769.677231][ C0] RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000007 +[ 769.677235][ C0] RBP: ffff8880973ef4b0 R08: ffff88808c9fe080 R09: ffffed1015d05bc8 +[ 769.677240][ C0] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: ffff8880a0dc9442 +[ 769.677245][ C0] R13: ffff8880973ef580 R14: 0000000000000138 R15: ffff8880a0dc9442 +[ 769.677250][ C0] FS: 00007f9541ef1700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 +[ 769.677254][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +[ 769.677258][ C0] CR2: 0000000000c02000 CR3: 00000000a9780000 CR4: 00000000001406f0 +[ 769.677263][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 +[ 769.677268][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 +[ 769.677270][ C0] Call Trace: +[ 769.677276][ C0] xas_load+0x21/0x150 +[ 769.677283][ C0] find_get_entry+0x13d/0x880 +[ 769.677296][ C0] pagecache_get_page+0x4c/0x740 +[ 769.677299][ C0] __find_get_block+0x501/0xcf0 +[ 769.677306][ C0] __getblk_gfp+0x1b1/0x970 +[ 769.677309][ C0] __bread_gfp+0x2f/0x300 +[ 769.677312][ C0] udf_tread+0xf1/0x140 +[ 769.677315][ C0] udf_read_tagged+0x50/0x530 +[ 769.677318][ C0] udf_check_anchor_block+0x1ef/0x680 +[ 769.677331][ C0] udf_scan_anchors+0x1cf/0x680 +[ 769.677346][ C0] udf_load_vrs+0x8bf/0xc80 +[ 769.677358][ C0] udf_fill_super+0x7d8/0x16d1 +[ 769.677374][ C0] mount_bdev+0x307/0x3c0 +[ 769.677379][ C0] udf_mount+0x35/0x40 +[ 769.677385][ C0] legacy_get_tree+0xf2/0x200 +[ 769.677391][ C0] vfs_get_tree+0x123/0x450 +[ 769.677394][ C0] do_mount+0x1436/0x2c40 +[ 769.677409][ C0] ksys_mount+0xdb/0x150 +[ 769.677412][ C0] __x64_sys_mount+0xbe/0x150 +[ 769.677415][ C0] do_syscall_64+0x103/0x610 +[ 769.677418][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe +[ 769.677421][ C0] RIP: 0033:0x44a739 +[ 769.677438][ C0] Code: 4d cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 +[ 769.677442][ C0] RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +[ 769.677454][ C0] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +[ 769.677458][ C0] RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +[ 769.677462][ C0] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +[ 769.677467][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +[ 769.677471][ C0] R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +[ 769.680389][ T1042] Kernel panic - not syncing: hung_task: blocked tasks +[ 770.124041][ T1042] CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc6+ #90 +[ 770.131570][ T1042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 770.141616][ T1042] Call Trace: +[ 770.144926][ T1042] dump_stack+0x172/0x1f0 +[ 770.149350][ T1042] panic+0x2cb/0x65c +[ 770.193147][ T1042] watchdog+0x9c8/0xec0 +[ 770.197301][ T1042] kthread+0x357/0x430 +[ 770.213167][ T1042] ret_from_fork+0x3a/0x50 +[ 770.219050][ T1042] Kernel Offset: disabled +[ 770.223376][ T1042] Rebooting in 86400 seconds.. + +REPORT: +INFO: task syz-executor013:7561 blocked for more than 143 seconds. + Not tainted 5.1.0-rc6+ #90 +"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +syz-executor013 D29336 7561 7543 0x00000004 +Call Trace: + __schedule+0x813/0x1cc0 + schedule+0x92/0x180 + schedule_preempt_disabled+0x13/0x20 + __mutex_lock+0x726/0x1310 + mutex_lock_nested+0x16/0x20 + mount_bdev+0x93/0x3c0 + udf_mount+0x35/0x40 + legacy_get_tree+0xf2/0x200 + vfs_get_tree+0x123/0x450 + do_mount+0x1436/0x2c40 + ksys_mount+0xdb/0x150 + __x64_sys_mount+0xbe/0x150 + do_syscall_64+0x103/0x610 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x44a739 +Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +INFO: task syz-executor013:7563 blocked for more than 143 seconds. + Not tainted 5.1.0-rc6+ #90 +"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +syz-executor013 D29720 7563 7541 0x00000004 +Call Trace: + __schedule+0x813/0x1cc0 + schedule+0x92/0x180 + schedule_preempt_disabled+0x13/0x20 + __mutex_lock+0x726/0x1310 + mutex_lock_nested+0x16/0x20 + mount_bdev+0x93/0x3c0 + udf_mount+0x35/0x40 + legacy_get_tree+0xf2/0x200 + vfs_get_tree+0x123/0x450 + do_mount+0x1436/0x2c40 + ksys_mount+0xdb/0x150 + __x64_sys_mount+0xbe/0x150 + do_syscall_64+0x103/0x610 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x44a739 +Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +INFO: task syz-executor013:7559 blocked for more than 143 seconds. + Not tainted 5.1.0-rc6+ #90 +"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +syz-executor013 D29096 7559 7544 0x00000004 +Call Trace: + __schedule+0x813/0x1cc0 + schedule+0x92/0x180 + rwsem_down_write_failed+0x774/0xc30 + call_rwsem_down_write_failed+0x17/0x30 + down_write+0x53/0x90 + grab_super+0xb4/0x290 + sget_userns+0x1ab/0x560 + sget+0x10c/0x150 + mount_bdev+0xff/0x3c0 + udf_mount+0x35/0x40 + legacy_get_tree+0xf2/0x200 + vfs_get_tree+0x123/0x450 + do_mount+0x1436/0x2c40 + ksys_mount+0xdb/0x150 + __x64_sys_mount+0xbe/0x150 + do_syscall_64+0x103/0x610 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x44a739 +Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +INFO: task syz-executor013:7565 blocked for more than 144 seconds. + Not tainted 5.1.0-rc6+ #90 +"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +syz-executor013 D29720 7565 7542 0x00000004 +Call Trace: + __schedule+0x813/0x1cc0 + schedule+0x92/0x180 + schedule_preempt_disabled+0x13/0x20 + __mutex_lock+0x726/0x1310 + mutex_lock_nested+0x16/0x20 + mount_bdev+0x93/0x3c0 + udf_mount+0x35/0x40 + legacy_get_tree+0xf2/0x200 + vfs_get_tree+0x123/0x450 + do_mount+0x1436/0x2c40 + ksys_mount+0xdb/0x150 + __x64_sys_mount+0xbe/0x150 + do_syscall_64+0x103/0x610 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x44a739 +Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 +INFO: task syz-executor013:7562 blocked for more than 144 seconds. + Not tainted 5.1.0-rc6+ #90 +"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. +syz-executor013 D29720 7562 7546 0x00000004 +Call Trace: + __schedule+0x813/0x1cc0 + schedule+0x92/0x180 + schedule_preempt_disabled+0x13/0x20 + __mutex_lock+0x726/0x1310 + mutex_lock_nested+0x16/0x20 + mount_bdev+0x93/0x3c0 + udf_mount+0x35/0x40 + legacy_get_tree+0xf2/0x200 + vfs_get_tree+0x123/0x450 + do_mount+0x1436/0x2c40 + ksys_mount+0xdb/0x150 + __x64_sys_mount+0xbe/0x150 + do_syscall_64+0x103/0x610 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x44a739 +Code: 00 49 6e 76 61 6c 69 64 20 22 24 41 63 74 69 6f 6e 51 75 65 75 65 43 68 65 63 6b 70 6f 69 6e 74 49 6e 74 65 72 76 61 6c 22 2c <20> 65 72 72 6f 72 20 25 64 2e 20 49 67 6e 6f 72 65 64 2c 20 72 75 +RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 + +Showing all locks held in the system: +1 lock held by khungtaskd/1042: + #0: 000000006329251d (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e +1 lock held by rsyslogd/7425: + #0: 00000000d77ddd95 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 +2 locks held by getty/7515: + #0: 000000004c45b4e6 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000cb1f5c30 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +2 locks held by getty/7516: + #0: 0000000061e5eac7 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000aab03c35 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +2 locks held by getty/7517: + #0: 00000000205ee5b4 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 0000000002712bdb (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +2 locks held by getty/7518: + #0: 000000000cc046b2 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000d5140a4a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +2 locks held by getty/7519: + #0: 000000003624da6d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000f5b16893 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +2 locks held by getty/7520: + #0: 0000000082294f91 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000870dfcb5 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +2 locks held by getty/7521: + #0: 000000000f72fa86 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 + #1: 00000000a044b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b70 +2 locks held by syz-executor013/7547: +1 lock held by syz-executor013/7561: + #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 +1 lock held by syz-executor013/7563: + #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 +2 locks held by syz-executor013/7559: + #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 + #1: 000000001ecfe564 (&type->s_umount_key#39){+.+.}, at: grab_super+0xb4/0x290 +1 lock held by syz-executor013/7565: + #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 +1 lock held by syz-executor013/7562: + #0: 00000000d97cb347 (&bdev->bd_fsfreeze_mutex){+.+.}, at: mount_bdev+0x93/0x3c0 + +============================================= + +NMI backtrace for cpu 1 +CPU: 1 PID: 1042 Comm: khungtaskd Not tainted 5.1.0-rc6+ #90 +Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +Call Trace: + dump_stack+0x172/0x1f0 + nmi_cpu_backtrace.cold+0x63/0xa4 + nmi_trigger_cpumask_backtrace+0x1be/0x236 + arch_trigger_cpumask_backtrace+0x14/0x20 + watchdog+0x9b7/0xec0 + kthread+0x357/0x430 + ret_from_fork+0x3a/0x50 +Sending NMI from CPU 1 to CPUs 0: +NMI backtrace for cpu 0 +CPU: 0 PID: 7547 Comm: syz-executor013 Not tainted 5.1.0-rc6+ #90 +Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50 +Code: 25 b4 7e ec 08 41 bc f4 ff ff ff e8 cd 5d ea ff 48 c7 05 9e 7e ec 08 00 00 00 00 e9 a4 e9 ff ff 90 90 90 90 90 90 90 90 90 55 <48> 89 e5 48 8b 75 08 65 48 8b 04 25 00 ee 01 00 65 8b 15 c8 60 91 +RSP: 0018:ffff8880973ef470 EFLAGS: 00000246 +RAX: 0000000000000000 RBX: ffff8880973ef568 RCX: ffffffff870d9383 +RDX: 0000000000000002 RSI: 0000000000000002 RDI: 0000000000000007 +RBP: ffff8880973ef4b0 R08: ffff88808c9fe080 R09: ffffed1015d05bc8 +R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: ffff8880a0dc9442 +R13: ffff8880973ef580 R14: 0000000000000138 R15: ffff8880a0dc9442 +FS: 00007f9541ef1700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 +CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 +CR2: 0000000000c02000 CR3: 00000000a9780000 CR4: 00000000001406f0 +DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 +DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 +Call Trace: + xas_load+0x21/0x150 + find_get_entry+0x13d/0x880 + pagecache_get_page+0x4c/0x740 + __find_get_block+0x501/0xcf0 + __getblk_gfp+0x1b1/0x970 + __bread_gfp+0x2f/0x300 + udf_tread+0xf1/0x140 + udf_read_tagged+0x50/0x530 + udf_check_anchor_block+0x1ef/0x680 + udf_scan_anchors+0x1cf/0x680 + udf_load_vrs+0x8bf/0xc80 + udf_fill_super+0x7d8/0x16d1 + mount_bdev+0x307/0x3c0 + udf_mount+0x35/0x40 + legacy_get_tree+0xf2/0x200 + vfs_get_tree+0x123/0x450 + do_mount+0x1436/0x2c40 + ksys_mount+0xdb/0x150 + __x64_sys_mount+0xbe/0x150 + do_syscall_64+0x103/0x610 + entry_SYSCALL_64_after_hwframe+0x49/0xbe +RIP: 0033:0x44a739 +Code: 4d cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 +RSP: 002b:00007f9541ef0db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 +RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 000000000044a739 +RDX: 0000000020000240 RSI: 0000000020000200 RDI: 0000000020000080 +RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 +R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c +R13: 00007ffc6cf3cddf R14: 00007f9541ef19c0 R15: 0000000000000000 |