diff options
Diffstat (limited to 'pkg/report/testdata/linux')
| -rw-r--r-- | pkg/report/testdata/linux/report/115 | 3 | ||||
| -rw-r--r-- | pkg/report/testdata/linux/report/206 | 322 | ||||
| -rw-r--r-- | pkg/report/testdata/linux/report/207 | 43 | ||||
| -rw-r--r-- | pkg/report/testdata/linux/report/208 | 295 |
4 files changed, 662 insertions, 1 deletions
diff --git a/pkg/report/testdata/linux/report/115 b/pkg/report/testdata/linux/report/115 index 32110e1bd..8ebd9beda 100644 --- a/pkg/report/testdata/linux/report/115 +++ b/pkg/report/testdata/linux/report/115 @@ -1,4 +1,5 @@ -TITLE: BUG: bad unlock balance in ipmr_mfc_seq_stop +TITLE: BUG: bad unlock balance detected! ] +CORRUPTED: Y [ 76.640408] binder: undelivered TRANSACTION_ERROR: 29189 [ 76.649866] [ BUG: bad unlock balance detected! ] diff --git a/pkg/report/testdata/linux/report/206 b/pkg/report/testdata/linux/report/206 new file mode 100644 index 000000000..d969c4fc4 --- /dev/null +++ b/pkg/report/testdata/linux/report/206 @@ -0,0 +1,322 @@ +TITLE: WARNING: suspicious RCU usage +CORRUPTED: Y + +[ 104.476079] ============================= +[ 104.480269] WARNING: suspicious RCU usage +[ 104.484445] 4.15.0+ #222 Not tainted +[ 104.487764] syz-executor5: vmalloc: allocation failure: 17178296320 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) +[ 104.488198] ----------------------------- +[ 104.500048] syz-executor5 cpuset= +[ 104.504201] ./include/linux/rcupdate.h:302 Illegal context switch in RCU read-side critical section! +[ 104.504384] / +[ 104.507648] +[ 104.507648] other info that might help us debug this: +[ 104.507648] +[ 104.516991] mems_allowed=0 +[ 104.518662] +[ 104.518662] rcu_scheduler_active = 2, debug_locks = 1 +[ 104.518672] 1 lock held by syz-executor4/5953: +[ 104.526809] CPU: 0 PID: 5955 Comm: syz-executor5 Not tainted 4.15.0+ #222 +[ 104.529714] #0: +[ 104.536340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 104.536344] Call Trace: +[ 104.536358] dump_stack+0x194/0x257 +[ 104.536373] ? arch_local_irq_restore+0x53/0x53 +[ 104.540927] ( +[ 104.547817] ? idr_get_free+0xfd0/0xfd0 +[ 104.547846] warn_alloc+0x19a/0x2b0 +[ 104.549880] rcu_read_lock +[ 104.559209] ? zone_watermark_ok_safe+0x400/0x400 +[ 104.559237] ? save_stack+0x43/0xd0 +[ 104.561785] ){....} +[ 104.565373] ? kasan_kmalloc+0xad/0xe0 +[ 104.565381] ? __kmalloc_node+0x47/0x70 +[ 104.565391] ? kvmalloc_node+0x64/0xd0 +[ 104.570046] , at: [<0000000072a5383e>] __rds_conn_create+0xe46/0x1b50 +[ 104.571808] ? xt_alloc_table_info+0x63/0xe0 +[ 104.571832] __vmalloc_node_range+0x4f0/0x650 +[ 104.575775] +[ 104.575775] stack backtrace: +[ 104.579368] ? lock_release+0xa40/0xa40 +[ 104.579386] ? xt_alloc_entry_offsets+0x21/0x30 +[ 104.632860] __vmalloc_node_flags_caller+0x50/0x60 +[ 104.637777] ? xt_alloc_entry_offsets+0x21/0x30 +[ 104.642434] kvmalloc_node+0x82/0xd0 +[ 104.646136] xt_alloc_entry_offsets+0x21/0x30 +[ 104.650614] translate_table+0x235/0x1690 +[ 104.654750] ? lock_release+0xa40/0xa40 +[ 104.658708] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 104.664604] ? __check_object_size+0x8b/0x530 +[ 104.669099] ? __might_sleep+0x95/0x190 +[ 104.673060] ? alloc_counters.isra.10+0x7e0/0x7e0 +[ 104.677889] ? kasan_check_write+0x14/0x20 +[ 104.682108] ? _copy_from_user+0x99/0x110 +[ 104.686242] do_ip6t_set_ctl+0x370/0x5f0 +[ 104.690289] ? translate_compat_table+0x1c50/0x1c50 +[ 104.695312] ? mutex_unlock+0xd/0x10 +[ 104.699008] ? nf_sockopt_find.constprop.0+0x1a7/0x220 +[ 104.704272] nf_setsockopt+0x67/0xc0 +[ 104.707972] ipv6_setsockopt+0x10b/0x130 +[ 104.712024] tcp_setsockopt+0x82/0xd0 +[ 104.715817] sock_common_setsockopt+0x95/0xd0 +[ 104.720300] SyS_setsockopt+0x189/0x360 +[ 104.724264] ? SyS_recv+0x40/0x40 +[ 104.727706] ? move_addr_to_kernel+0x60/0x60 +[ 104.732101] ? do_syscall_64+0xb7/0x940 +[ 104.736062] ? SyS_recv+0x40/0x40 +[ 104.739501] do_syscall_64+0x282/0x940 +[ 104.743369] ? __do_page_fault+0xc90/0xc90 +[ 104.747584] ? finish_task_switch+0x1e2/0x890 +[ 104.752060] ? finish_task_switch+0x1b9/0x890 +[ 104.756538] ? syscall_return_slowpath+0x550/0x550 +[ 104.761454] ? syscall_return_slowpath+0x2ac/0x550 +[ 104.766369] ? prepare_exit_to_usermode+0x350/0x350 +[ 104.771371] ? entry_SYSCALL_64_after_hwframe+0x36/0x9b +[ 104.776726] ? trace_hardirqs_off_thunk+0x1a/0x1c +[ 104.781559] entry_SYSCALL_64_after_hwframe+0x26/0x9b +[ 104.786727] RIP: 0033:0x453a59 +[ 104.789896] RSP: 002b:00007fd7139c7c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 +[ 104.797587] RAX: ffffffffffffffda RBX: 00007fd7139c86d4 RCX: 0000000000453a59 +[ 104.804840] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000013 +[ 104.812088] RBP: 000000000071bea0 R08: 0000000000000004 R09: 0000000000000000 +[ 104.819341] R10: 0000000020001fde R11: 0000000000000246 R12: 00000000ffffffff +[ 104.826591] R13: 0000000000000508 R14: 00000000006f7960 R15: 0000000000000000 +[ 104.833874] CPU: 1 PID: 5953 Comm: syz-executor4 Not tainted 4.15.0+ #222 +[ 104.834422] Mem-Info: +[ 104.840788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 104.840793] Call Trace: +[ 104.840807] dump_stack+0x194/0x257 +[ 104.840823] ? arch_local_irq_restore+0x53/0x53 +[ 104.843234] active_anon:59060 inactive_anon:63 isolated_anon:0 +[ 104.843234] active_file:3450 inactive_file:8420 isolated_file:0 +[ 104.843234] unevictable:0 dirty:6311 writeback:0 unstable:0 +[ 104.843234] slab_reclaimable:6999 slab_unreclaimable:92283 +[ 104.843234] mapped:24231 shmem:70 pagetables:731 bounce:0 +[ 104.843234] free:1433937 free_pcp:321 free_cma:0 +[ 104.852560] lockdep_rcu_suspicious+0x123/0x170 +[ 104.855135] Node 0 active_anon:236240kB inactive_anon:252kB active_file:13800kB inactive_file:33680kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96924kB dirty:25244kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 110592kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no +[ 104.858724] ___might_sleep+0x385/0x470 +[ 104.858737] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 104.863389] Node 0 +[ 104.896666] ? __debug_object_init+0x235/0x1040 +[ 104.896680] ? debug_mutex_init+0x1c/0x60 +[ 104.896697] __might_sleep+0x95/0x190 +[ 104.901355] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB +[ 104.929504] kmem_cache_alloc_trace+0x299/0x740 +[ 104.929517] ? lock_acquire+0x1d5/0x580 +[ 104.933470] lowmem_reserve[]: +[ 104.939316] ? lock_acquire+0x1d5/0x580 +[ 104.939327] ? __rds_conn_create+0xe46/0x1b50 +[ 104.939344] rds_loop_conn_alloc+0xc8/0x380 +[ 104.941554] 0 +[ 104.946188] ? rds_loop_conn_free+0x290/0x290 +[ 104.946200] ? __init_waitqueue_head+0x97/0x140 +[ 104.946217] ? rcutorture_record_progress+0x10/0x10 +[ 104.950337] 2868 +[ 104.954103] ? __lockdep_init_map+0xe4/0x650 +[ 104.954122] __rds_conn_create+0x112f/0x1b50 +[ 104.979601] 6378 +[ 104.984272] ? rds_conn_drop+0xb0/0xb0 +[ 104.988212] 6378 +[ 104.991280] ? __kmalloc+0x4f1/0x760 +[ 104.991291] ? lock_downgrade+0x980/0x980 +[ 104.991307] ? lock_release+0xa40/0xa40 +[ 104.999710] ? __raw_spin_lock_init+0x1c/0x100 +[ 104.999724] ? trace_hardirqs_on_caller+0x421/0x5c0 +[ 104.999744] ? __lockdep_init_map+0xe4/0x650 +[ 105.004037] Node 0 +[ 105.005807] ? lockdep_init_map+0x9/0x10 +[ 105.005815] ? __init_waitqueue_head+0x97/0x140 +[ 105.005827] ? init_wait_entry+0x1b0/0x1b0 +[ 105.010318] DMA32 free:2939236kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2939944kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:708kB local_pcp:708kB free_cma:0kB +[ 105.014942] ? lockdep_init_map+0x9/0x10 +[ 105.014958] ? rds_message_alloc+0x28c/0x330 +[ 105.019953] lowmem_reserve[]: +[ 105.021980] ? rds_message_next_extension+0x210/0x210 +[ 105.021988] ? trace_hardirqs_on+0xd/0x10 +[ 105.022005] ? _raw_spin_unlock_bh+0x30/0x40 +[ 105.026391] 0 +[ 105.030769] ? __release_sock+0x360/0x360 +[ 105.030776] ? lock_sock_nested+0x91/0x110 +[ 105.030793] rds_conn_create_outgoing+0x3f/0x50 +[ 105.032832] 0 +[ 105.036689] rds_sendmsg+0xda3/0x2390 +[ 105.036698] ? avc_has_perm+0x43e/0x680 +[ 105.036733] ? rds_send_drop_to+0x19d0/0x19d0 +[ 105.038755] 3510 +[ 105.042429] ? iterate_fd+0x3f0/0x3f0 +[ 105.042441] ? trace_hardirqs_on_caller+0x421/0x5c0 +[ 105.042458] ? find_held_lock+0x35/0x1d0 +[ 105.046579] 3510 +[ 105.050535] ? sock_has_perm+0x2a4/0x420 +[ 105.060077] ? selinux_secmark_relabel_packet+0xc0/0xc0 +[ 105.060085] ? lock_release+0xa02/0xa40 +[ 105.060095] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 105.064484] Node 0 +[ 105.066683] ? __check_object_size+0x8b/0x530 +[ 105.066706] ? __might_sleep+0x95/0x190 +[ 105.070761] Normal free:2780604kB min:37100kB low:46372kB high:55644kB active_anon:236240kB inactive_anon:252kB active_file:13800kB inactive_file:33680kB unevictable:0kB writepending:25244kB present:4718592kB managed:3594328kB mlocked:0kB kernel_stack:4384kB pagetables:2924kB bounce:0kB free_pcp:576kB local_pcp:340kB free_cma:0kB +[ 105.075384] ? selinux_socket_sendmsg+0x36/0x40 +[ 105.075396] ? security_socket_sendmsg+0x89/0xb0 +[ 105.079610] lowmem_reserve[]: +[ 105.106636] ? rds_send_drop_to+0x19d0/0x19d0 +[ 105.106650] sock_sendmsg+0xca/0x110 +[ 105.106665] SYSC_sendto+0x361/0x5c0 +[ 105.110704] 0 +[ 105.115080] ? SYSC_connect+0x4a0/0x4a0 +[ 105.115114] ? schedule+0xf5/0x430 +[ 105.118266] 0 +[ 105.123418] ? SYSC_bind+0x290/0x410 +[ 105.123460] ? SyS_futex+0x269/0x390 +[ 105.127570] 0 +[ 105.131948] ? do_futex+0x22a0/0x22a0 +[ 105.131960] ? exit_to_usermode_loop+0x198/0x2f0 +[ 105.133743] 0 +[ 105.137859] ? trace_event_raw_event_sys_exit+0x260/0x260 +[ 105.137877] SyS_sendto+0x40/0x50 +[ 105.146719] ? SyS_getpeername+0x30/0x30 +[ 105.146732] do_syscall_64+0x282/0x940 +[ 105.146742] ? __do_page_fault+0xc90/0xc90 +[ 105.148530] Node 0 +[ 105.152291] ? finish_task_switch+0x1e2/0x890 +[ 105.152299] ? finish_task_switch+0x1b9/0x890 +[ 105.152311] ? syscall_return_slowpath+0x550/0x550 +[ 105.156263] DMA: +[ 105.160722] ? syscall_return_slowpath+0x2ac/0x550 +[ 105.160734] ? prepare_exit_to_usermode+0x350/0x350 +[ 105.160747] ? entry_SYSCALL_64_after_hwframe+0x36/0x9b +[ 105.162794] 1*4kB +[ 105.166561] ? trace_hardirqs_off_thunk+0x1a/0x1c +[ 105.166583] entry_SYSCALL_64_after_hwframe+0x26/0x9b +[ 105.171571] (U) +[ 105.175588] RIP: 0033:0x453a59 +[ 105.175593] RSP: 002b:00007f8067f6ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c +[ 105.175602] RAX: ffffffffffffffda RBX: 00007f8067f6f6d4 RCX: 0000000000453a59 +[ 105.175609] RDX: 0000000000000000 RSI: 0000000020ea8000 RDI: 0000000000000013 +[ 105.177658] 0*8kB +[ 105.181673] RBP: 000000000071bea0 R08: 0000000020dfcff0 R09: 0000000000000010 +[ 105.181678] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff +[ 105.181684] R13: 00000000000004b9 R14: 00000000006f71f8 R15: 0000000000000000 +[ 105.182788] BUG: sleeping function called from invalid context at mm/slab.h:420 +[ 105.187052] 0*16kB +[ 105.191026] in_atomic(): 1, irqs_disabled(): 0, pid: 5953, name: syz-executor4 +[ 105.191033] 1 lock held by syz-executor4/5953: +[ 105.196904] 1*32kB +[ 105.199123] #0: ( +[ 105.203610] (U) +[ 105.207569] rcu_read_lock){....} +[ 105.236969] 2*64kB (U) 1*128kB (U) 1*256kB (U) +[ 105.241653] , at: [<0000000072a5383e>] __rds_conn_create+0xe46/0x1b50 +[ 105.241662] CPU: 1 PID: 5953 Comm: syz-executor4 Not tainted 4.15.0+ #222 +[ 105.246399] 0*512kB +[ 105.249463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 105.249467] Call Trace: +[ 105.249481] dump_stack+0x194/0x257 +[ 105.249496] ? arch_local_irq_restore+0x53/0x53 +[ 105.253967] 1*1024kB +[ 105.257643] ? print_lock+0x9f/0xa2 +[ 105.257653] ? lockdep_print_held_locks+0xc4/0x130 +[ 105.257674] ___might_sleep+0x2b2/0x470 +[ 105.261357] (U) +[ 105.263123] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 105.263132] ? __debug_object_init+0x235/0x1040 +[ 105.263145] ? debug_mutex_init+0x1c/0x60 +[ 105.267098] 1*2048kB +[ 105.270609] __might_sleep+0x95/0x190 +[ 105.270628] kmem_cache_alloc_trace+0x299/0x740 +[ 105.272404] (M) +[ 105.276089] ? lock_acquire+0x1d5/0x580 +[ 105.276096] ? lock_acquire+0x1d5/0x580 +[ 105.276109] ? __rds_conn_create+0xe46/0x1b50 +[ 105.279802] 3*4096kB +[ 105.281575] rds_loop_conn_alloc+0xc8/0x380 +[ 105.281588] ? rds_loop_conn_free+0x290/0x290 +[ 105.285368] (M) +[ 105.290086] ? __init_waitqueue_head+0x97/0x140 +[ 105.290102] ? rcutorture_record_progress+0x10/0x10 +[ 105.291886] = 15908kB +[ 105.297385] ? __lockdep_init_map+0xe4/0x650 +[ 105.297404] __rds_conn_create+0x112f/0x1b50 +[ 105.300839] Node 0 +[ 105.304895] ? rds_conn_drop+0xb0/0xb0 +[ 105.308761] DMA32: +[ 105.312955] ? __kmalloc+0x4f1/0x760 +[ 105.312967] ? lock_downgrade+0x980/0x980 +[ 105.312983] ? lock_release+0xa40/0xa40 +[ 105.315200] 5*4kB +[ 105.319652] ? __raw_spin_lock_init+0x1c/0x100 +[ 105.319666] ? trace_hardirqs_on_caller+0x421/0x5c0 +[ 105.319685] ? __lockdep_init_map+0xe4/0x650 +[ 105.324153] (M) +[ 105.329053] ? lockdep_init_map+0x9/0x10 +[ 105.329061] ? __init_waitqueue_head+0x97/0x140 +[ 105.329073] ? init_wait_entry+0x1b0/0x1b0 +[ 105.331119] 4*8kB +[ 105.336019] ? lockdep_init_map+0x9/0x10 +[ 105.336036] ? rds_message_alloc+0x28c/0x330 +[ 105.341029] (M) +[ 105.346357] ? rds_message_next_extension+0x210/0x210 +[ 105.346365] ? trace_hardirqs_on+0xd/0x10 +[ 105.346382] ? _raw_spin_unlock_bh+0x30/0x40 +[ 105.348513] 3*16kB +[ 105.353327] ? __release_sock+0x360/0x360 +[ 105.353336] ? lock_sock_nested+0x91/0x110 +[ 105.358507] (M) +[ 105.360453] rds_conn_create_outgoing+0x3f/0x50 +[ 105.360470] rds_sendmsg+0xda3/0x2390 +[ 105.363640] 4*32kB +[ 105.371309] ? avc_has_perm+0x43e/0x680 +[ 105.371345] ? rds_send_drop_to+0x19d0/0x19d0 +[ 105.378607] (M) +[ 105.385824] ? iterate_fd+0x3f0/0x3f0 +[ 105.385837] ? trace_hardirqs_on_caller+0x421/0x5c0 +[ 105.385854] ? find_held_lock+0x35/0x1d0 +[ 105.387984] 2*64kB +[ 105.395233] ? sock_has_perm+0x2a4/0x420 +[ 105.395248] ? selinux_secmark_relabel_packet+0xc0/0xc0 +[ 105.402496] (M) +[ 105.409730] ? lock_release+0xa02/0xa40 +[ 105.409741] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 105.409752] ? __check_object_size+0x8b/0x530 +[ 105.409773] ? __might_sleep+0x95/0x190 +[ 105.417193] 2*128kB +[ 105.419400] ? selinux_socket_sendmsg+0x36/0x40 +[ 105.419412] ? security_socket_sendmsg+0x89/0xb0 +[ 105.426754] (M) +[ 105.431298] ? rds_send_drop_to+0x19d0/0x19d0 +[ 105.431311] sock_sendmsg+0xca/0x110 +[ 105.431326] SYSC_sendto+0x361/0x5c0 +[ 105.433540] 1*256kB +[ 105.435750] ? SYSC_connect+0x4a0/0x4a0 +[ 105.435782] ? schedule+0xf5/0x430 +[ 105.437723] (M) +[ 105.441049] ? SYSC_bind+0x290/0x410 +[ 105.441092] ? SyS_futex+0x269/0x390 +[ 105.445728] 3*512kB +[ 105.452275] ? do_futex+0x22a0/0x22a0 +[ 105.452287] ? exit_to_usermode_loop+0x198/0x2f0 +[ 105.459193] (M) +[ 105.461487] ? trace_event_raw_event_sys_exit+0x260/0x260 +[ 105.461505] SyS_sendto+0x40/0x50 +[ 105.470841] 2*1024kB +[ 105.473387] ? SyS_getpeername+0x30/0x30 +[ 105.473399] do_syscall_64+0x282/0x940 +[ 105.473411] ? __do_page_fault+0xc90/0xc90 +[ 105.477028] (M) +[ 105.481647] ? finish_task_switch+0x1e2/0x890 +[ 105.481655] ? finish_task_switch+0x1b9/0x890 +[ 105.481667] ? syscall_return_slowpath+0x550/0x550 +[ 105.484061] 1*2048kB +2018/02/12 06:12:01 executing program 3: +mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x3, 0x32, 0xffffffffffffffff, 0x0) +r0 = socket$nfc_llcp(0x27, 0x3, 0x1) +[ 105.487650] ? syscall_return_slowpath+0x2ac/0x550 +[ 105.487661] ? prepare_exit_to_usermode+0x350/0x350 +[ 105.487674] ? entry_SYSCALL_64_after_hwframe+0x36/0x9b +[ 105.493069] (M) +[ 105.497004] ? trace_hardirqs_off_thunk+0x1a/0x1c +[ 105.497028] entry_SYSCALL_64_after_hwframe+0x26/0x9b +[ 105.498983] 716*4096kB +[ 105.504827] RIP: 0033:0x453a59 +[ 105.504833] RSP: 002b:00007f8067f6ec68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c +[ 105.504842] RAX: ffffffffffffffda RBX: 00007f8067f6f6d4 RCX: 0000000000453a59 diff --git a/pkg/report/testdata/linux/report/207 b/pkg/report/testdata/linux/report/207 new file mode 100644 index 000000000..055c28d04 --- /dev/null +++ b/pkg/report/testdata/linux/report/207 @@ -0,0 +1,43 @@ +TITLE: INFO: rcu detected stall in free_percpu + +isob2 login: [ 709.689951] INFO: rcu_sched detected stalls on CPUs/tasks: +[ 709.695737] (detected by 0, t=125002 jiffies, g=6134, c=6133, q=11) +[ 709.702334] All QSes seen, last rcu_sched kthread activity 124990 (4295372585-4295247595), jiffies_till_next_fqs=3, root ->qsmask 0x0 +[ 709.714440] kworker/0:0 R running task on cpu 0 0 4 2 0x00000008 584683503973 +[ 709.723606] Workqueue: events bpf_map_free_deferred +[ 709.728724] 0000000000000000 ffff8801daa07c80 ffffffff813a0886 ffffffff813a0691 +[ 709.736752] 000000000001e83e 0000000100062f29 00000001000446eb ffff8801daa20540 +[ 709.744756] ffffffff839bef80 0000000100062f29 ffff8801daa07c90 ffffffff813becd0 +[ 709.752766] Call Trace: +[ 709.755323] <IRQ> [<ffffffff813a0886>] _sched_show_task+0x2a6/0x4f0 +[ 709.762012] [<ffffffff813a0691>] ? _sched_show_task+0xb1/0x4f0 +[ 709.768049] [<ffffffff813becd0>] sched_show_task+0x10/0x20 +[ 709.773742] [<ffffffff8148081c>] rcu_check_callbacks+0x1b7c/0x1da0 +[ 709.780127] [<ffffffff81494c5f>] update_process_times+0x3f/0x70 +[ 709.786251] [<ffffffff814bd59a>] tick_sched_handle.isra.17+0x5a/0x100 +[ 709.792896] [<ffffffff814bee0a>] tick_sched_timer+0x7a/0x130 +[ 709.798758] [<ffffffff81497169>] __hrtimer_run_queues+0x369/0xc10 +[ 709.805052] [<ffffffff814bed90>] ? tick_sched_do_timer+0xa0/0xa0 +[ 709.811259] [<ffffffff81496e00>] ? retrigger_next_event+0x170/0x170 +[ 709.817730] [<ffffffff81498f0c>] ? hrtimer_interrupt+0x10c/0x410 +[ 709.823940] [<ffffffff81498f84>] hrtimer_interrupt+0x184/0x410 +[ 709.829975] [<ffffffff812852b0>] local_apic_timer_interrupt+0x70/0xb0 +[ 709.836617] [<ffffffff81012895>] smp_apic_timer_interrupt+0xc5/0x100 +[ 709.843176] [<ffffffff81011752>] smp_apic_timer_interrupt_entry_after_kaiser_bti+0x20/0x2e +[ 709.851638] <EOI> [<ffffffff81010d64>] ? _raw_spin_unlock_irqrestore+0x64/0x80 +[ 709.859295] [<ffffffff81718c49>] free_percpu+0x1c9/0x360 +[ 709.864815] [<ffffffff81718a80>] ? pcpu_free_area+0x610/0x610 +[ 709.870770] [<ffffffff8163038a>] array_map_free+0xca/0x130 +[ 709.876463] [<ffffffff81332f3b>] ? free_uid+0xcb/0x290 +[ 709.881810] [<ffffffff8160eed1>] bpf_map_free_deferred+0xb1/0xe0 +executing program +[ 709.888018] [<ffffffff81363350>] process_one_work+0x8c0/0x15a0 +[ 709.894051] [<ffffffff81363286>] ? process_one_work+0x7f6/0x15a0 +[ 709.900265] [<ffffffff81362a90>] ? pwq_dec_nr_in_flight+0x280/0x280 +[ 709.906732] [<ffffffff81364111>] worker_thread+0xe1/0xf70 +[ 709.912338] [<ffffffff81379281>] kthread+0x231/0x2c0 +[ 709.917503] [<ffffffff81364030>] ? process_one_work+0x15a0/0x15a0 +[ 709.923801] [<ffffffff81379050>] ? kthread_create_on_node+0x460/0x460 +[ 709.930449] [<ffffffff81379050>] ? kthread_create_on_node+0x460/0x460 +[ 709.937100] [<ffffffff82e25bac>] ret_from_fork+0x5c/0x90 +[ 709.942620] [<ffffffff81379050>] ? kthread_create_on_node+0x460/0x460 diff --git a/pkg/report/testdata/linux/report/208 b/pkg/report/testdata/linux/report/208 new file mode 100644 index 000000000..14071497f --- /dev/null +++ b/pkg/report/testdata/linux/report/208 @@ -0,0 +1,295 @@ +TITLE: WARNING: suspicious RCU usage +CORRUPTED: Y + +[ 63.724722] ============================= +[ 63.728898] WARNING: suspicious RCU usage +[ 63.733060] 4.15.0+ #222 Not tainted +[ 63.733438] FAULT_INJECTION: forcing a failure. +[ 63.733438] name failslab, interval 1, probability 0, space 0, times 0 +[ 63.736798] ----------------------------- +[ 63.736809] ./include/linux/rcupdate.h:302 Illegal context switch in RCU read-side critical section! +[ 63.736812] +[ 63.736812] other info that might help us debug this: +[ 63.736812] +[ 63.736818] +[ 63.736818] rcu_scheduler_active = 2, debug_locks = 1 +[ 63.736824] 1 lock held by syz-executor7/10704: +[ 63.736829] #0: (rcu_read_lock){....}, at: [<00000000db78fcdc>] __rds_conn_create+0xe46/0x1b50 +[ 63.736861] +[ 63.736861] stack backtrace: +[ 63.748075] CPU: 1 PID: 10708 Comm: syz-executor2 Not tainted 4.15.0+ #222 +[ 63.801181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 63.810519] Call Trace: +[ 63.813099] dump_stack+0x194/0x257 +[ 63.816714] ? arch_local_irq_restore+0x53/0x53 +[ 63.821368] ? __is_insn_slot_addr+0x1fc/0x330 +[ 63.825946] should_fail+0x8c0/0xa40 +[ 63.829642] ? check_noncircular+0x20/0x20 +[ 63.833865] ? fault_create_debugfs_attr+0x1f0/0x1f0 +[ 63.838979] ? find_held_lock+0x35/0x1d0 +[ 63.843033] ? __lock_is_held+0xb6/0x140 +[ 63.847099] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 63.852966] ? crypto_mod_get+0x4e/0x70 +[ 63.856926] ? rcu_note_context_switch+0x710/0x710 +[ 63.861851] should_failslab+0xec/0x120 +[ 63.865814] __kmalloc+0x63/0x760 +[ 63.869254] ? crypto_larval_alloc+0x1d0/0x1d0 +[ 63.873824] ? save_stack+0x43/0xd0 +[ 63.877431] ? kasan_kmalloc+0xad/0xe0 +[ 63.881299] ? __kmalloc+0x162/0x760 +[ 63.884992] ? crypto_create_tfm+0x82/0x2e0 +[ 63.889310] crypto_create_tfm+0x82/0x2e0 +[ 63.893445] crypto_alloc_tfm+0x114/0x2b0 +[ 63.897578] ? crypto_larval_alloc+0x1d0/0x1d0 +[ 63.902147] crypto_alloc_skcipher+0x2c/0x40 +[ 63.906541] cryptd_alloc_skcipher+0x124/0x250 +[ 63.911108] ? cryptd_hash_exit_tfm+0x40/0x40 +[ 63.915602] ? __lock_is_held+0xb6/0x140 +[ 63.919663] ? rcu_read_lock_sched_held+0x108/0x120 +[ 63.924671] simd_skcipher_init+0x66/0x150 +[ 63.928886] ? simd_skcipher_exit+0x40/0x40 +[ 63.933190] crypto_skcipher_init_tfm+0x29a/0x8c0 +[ 63.938024] crypto_create_tfm+0xdf/0x2e0 +[ 63.942160] crypto_alloc_tfm+0x114/0x2b0 +[ 63.946293] ? crypto_larval_alloc+0x1d0/0x1d0 +[ 63.950864] crypto_alloc_skcipher+0x2c/0x40 +[ 63.955264] drbg_init_sym_kernel+0x225/0x777 +[ 63.959744] ? drbg_init_hash_kernel+0x330/0x330 +[ 63.964485] ? find_held_lock+0x35/0x1d0 +[ 63.968533] ? check_noncircular+0x20/0x20 +[ 63.972754] ? check_noncircular+0x20/0x20 +[ 63.976972] ? check_noncircular+0x20/0x20 +[ 63.981200] ? drbg_init_hash_kernel+0x330/0x330 +[ 63.985940] drbg_kcapi_seed+0x4ea/0x1270 +[ 63.990069] ? find_held_lock+0x35/0x1d0 +[ 63.994118] ? drbg_kcapi_random+0x850/0x850 +[ 63.998510] ? __might_fault+0x110/0x1d0 +[ 64.002554] ? lock_downgrade+0x980/0x980 +[ 64.006690] ? lock_release+0xa40/0xa40 +[ 64.010645] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 64.016511] ? __check_object_size+0x8b/0x530 +[ 64.021002] ? __might_sleep+0x95/0x190 +[ 64.024971] crypto_rng_reset+0x7c/0x110 +[ 64.029025] rng_setkey+0x25/0x30 +[ 64.032460] ? rng_sock_destruct+0x90/0x90 +[ 64.036676] alg_setsockopt+0x2a1/0x350 +[ 64.040641] SyS_setsockopt+0x189/0x360 +[ 64.044606] ? SyS_recv+0x40/0x40 +[ 64.048042] ? SyS_write+0x184/0x220 +[ 64.051743] ? SyS_read+0x220/0x220 +[ 64.055357] ? do_syscall_64+0xb7/0x940 +[ 64.059321] ? SyS_recv+0x40/0x40 +[ 64.062759] do_syscall_64+0x282/0x940 +[ 64.066630] ? __do_page_fault+0xc90/0xc90 +[ 64.070847] ? finish_task_switch+0x1e2/0x890 +[ 64.075322] ? finish_task_switch+0x1b9/0x890 +[ 64.079803] ? syscall_return_slowpath+0x550/0x550 +[ 64.084716] ? syscall_return_slowpath+0x2ac/0x550 +[ 64.089630] ? prepare_exit_to_usermode+0x350/0x350 +[ 64.094633] ? entry_SYSCALL_64_after_hwframe+0x36/0x9b +[ 64.099989] ? trace_hardirqs_off_thunk+0x1a/0x1c +[ 64.104825] entry_SYSCALL_64_after_hwframe+0x26/0x9b +[ 64.109998] RIP: 0033:0x453a59 +[ 64.113172] RSP: 002b:00007ff3775c5c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 +[ 64.120864] RAX: ffffffffffffffda RBX: 00007ff3775c66d4 RCX: 0000000000453a59 +[ 64.128115] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000013 +[ 64.135364] RBP: 000000000071bea0 R08: 0000000000000017 R09: 0000000000000000 +[ 64.142614] R10: 0000000020e03000 R11: 0000000000000246 R12: 0000000000000014 +[ 64.149868] R13: 00000000000004d2 R14: 00000000006f7450 R15: 0000000000000003 +[ 64.157152] CPU: 0 PID: 10704 Comm: syz-executor7 Not tainted 4.15.0+ #222 +[ 64.157778] DRBG: could not allocate CTR cipher TFM handle: ctr(aes) +[ 64.164151] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 64.164154] Call Trace: +[ 64.164168] dump_stack+0x194/0x257 +[ 64.164183] ? arch_local_irq_restore+0x53/0x53 +[ 64.164213] lockdep_rcu_suspicious+0x123/0x170 +[ 64.192382] ipt_CLUSTERIP: Please specify destination IP +[ 64.195494] ___might_sleep+0x385/0x470 +[ 64.195508] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 64.195516] ? __debug_object_init+0x235/0x1040 +[ 64.195526] ? lock_acquire+0x1d5/0x580 +[ 64.195538] ? debug_mutex_init+0x1c/0x60 +[ 64.195556] __might_sleep+0x95/0x190 +[ 64.195575] kmem_cache_alloc_trace+0x299/0x740 +[ 64.195588] ? lock_acquire+0x1d5/0x580 +[ 64.236054] ? lock_acquire+0x1d5/0x580 +[ 64.240035] ? __rds_conn_create+0xe46/0x1b50 +[ 64.244539] rds_loop_conn_alloc+0xc8/0x380 +[ 64.248863] ? rds_loop_conn_free+0x290/0x290 +[ 64.253357] ? __init_waitqueue_head+0x97/0x140 +[ 64.258032] ? rcutorture_record_progress+0x10/0x10 +[ 64.260721] FAULT_INJECTION: forcing a failure. +[ 64.260721] name failslab, interval 1, probability 0, space 0, times 0 +[ 64.263053] ? __lockdep_init_map+0xe4/0x650 +[ 64.263075] __rds_conn_create+0x112f/0x1b50 +[ 64.263121] ? rds_conn_drop+0xb0/0xb0 +[ 64.263150] ? __raw_spin_lock_init+0x1c/0x100 +[ 64.263168] ? trace_hardirqs_on_caller+0x421/0x5c0 +[ 64.296521] ? __lockdep_init_map+0xe4/0x650 +[ 64.300921] ? lockdep_init_map+0x9/0x10 +[ 64.304965] ? __init_waitqueue_head+0x97/0x140 +[ 64.309622] ? init_wait_entry+0x1b0/0x1b0 +[ 64.313850] ? lockdep_init_map+0x9/0x10 +[ 64.317903] ? rds_message_alloc+0x28c/0x330 +[ 64.322300] ? rds_message_next_extension+0x210/0x210 +[ 64.327471] ? trace_hardirqs_on+0xd/0x10 +[ 64.331612] ? _raw_spin_unlock_bh+0x30/0x40 +[ 64.336016] ? __release_sock+0x360/0x360 +[ 64.340149] ? lock_sock_nested+0x91/0x110 +[ 64.344376] rds_conn_create_outgoing+0x3f/0x50 +[ 64.349036] rds_sendmsg+0xda3/0x2390 +[ 64.352849] ? rds_send_drop_to+0x19d0/0x19d0 +[ 64.357328] ? __might_fault+0x110/0x1d0 +[ 64.361386] ? lock_release+0xa40/0xa40 +[ 64.365344] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 64.371219] ? find_held_lock+0x35/0x1d0 +[ 64.375274] ? sock_has_perm+0x2a4/0x420 +[ 64.379323] ? selinux_secmark_relabel_packet+0xc0/0xc0 +[ 64.384674] ? lock_downgrade+0x980/0x980 +[ 64.388810] ? dup_iter+0x1a2/0x260 +[ 64.392425] ? lock_release+0xa40/0xa40 +[ 64.396406] ? selinux_socket_sendmsg+0x36/0x40 +[ 64.401060] ? security_socket_sendmsg+0x89/0xb0 +[ 64.405802] ? rds_send_drop_to+0x19d0/0x19d0 +[ 64.410285] sock_sendmsg+0xca/0x110 +[ 64.413991] ___sys_sendmsg+0x320/0x8b0 +[ 64.417961] ? copy_msghdr_from_user+0x590/0x590 +[ 64.422718] ? exit_robust_list+0x240/0x240 +[ 64.427029] ? release_sock+0x1d4/0x2a0 +[ 64.430985] ? trace_hardirqs_on+0xd/0x10 +[ 64.435119] ? __local_bh_enable_ip+0x121/0x230 +[ 64.439782] ? __fget_light+0x2b2/0x3c0 +[ 64.443742] ? fget_raw+0x20/0x20 +[ 64.447186] ? rds_trans_get_preferred+0xfb/0x130 +[ 64.452022] ? rds_bind+0x3bd/0xc00 +[ 64.455651] ? __fdget+0x18/0x20 +[ 64.459010] __sys_sendmmsg+0x1ee/0x620 +[ 64.462969] ? __sys_sendmmsg+0x1ee/0x620 +[ 64.467116] ? SyS_sendmsg+0x50/0x50 +[ 64.470816] ? security_socket_bind+0x89/0xb0 +[ 64.475301] ? fput+0xd2/0x140 +[ 64.478478] ? SYSC_bind+0x290/0x410 +[ 64.482182] ? move_addr_to_kernel.part.18+0x100/0x100 +[ 64.487467] ? SyS_futex+0x269/0x390 +[ 64.491165] ? fd_install+0x4d/0x60 +[ 64.494783] ? do_futex+0x22a0/0x22a0 +[ 64.498566] ? SyS_socket+0x12d/0x1d0 +[ 64.502357] ? move_addr_to_kernel+0x60/0x60 +[ 64.506758] SyS_sendmmsg+0x35/0x60 +[ 64.510371] ? __sys_sendmmsg+0x620/0x620 +[ 64.514505] do_syscall_64+0x282/0x940 +[ 64.518380] ? __do_page_fault+0xc90/0xc90 +[ 64.522601] ? finish_task_switch+0x1e2/0x890 +[ 64.527078] ? finish_task_switch+0x1b9/0x890 +[ 64.531558] ? syscall_return_slowpath+0x550/0x550 +[ 64.536471] ? syscall_return_slowpath+0x2ac/0x550 +[ 64.541386] ? prepare_exit_to_usermode+0x350/0x350 +[ 64.546388] ? entry_SYSCALL_64_after_hwframe+0x36/0x9b +[ 64.551746] ? trace_hardirqs_off_thunk+0x1a/0x1c +[ 64.556582] entry_SYSCALL_64_after_hwframe+0x26/0x9b +[ 64.561753] RIP: 0033:0x453a59 +[ 64.564926] RSP: 002b:00007f820036ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 +[ 64.572618] RAX: ffffffffffffffda RBX: 00007f820036b6d4 RCX: 0000000000453a59 +[ 64.579870] RDX: 0000000000000001 RSI: 0000000020573000 RDI: 0000000000000014 +[ 64.587119] RBP: 000000000071bea0 R08: 0000000000000000 R09: 0000000000000000 +[ 64.594370] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff +[ 64.601619] R13: 00000000000004a1 R14: 00000000006f6fb8 R15: 0000000000000000 +[ 64.608902] CPU: 1 PID: 10720 Comm: syz-executor2 Not tainted 4.15.0+ #222 +[ 64.609526] BUG: sleeping function called from invalid context at mm/slab.h:420 +[ 64.615901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 64.615905] Call Trace: +[ 64.615918] dump_stack+0x194/0x257 +[ 64.615933] ? arch_local_irq_restore+0x53/0x53 +[ 64.623359] in_atomic(): 1, irqs_disabled(): 0, pid: 10704, name: syz-executor7 +[ 64.632701] should_fail+0x8c0/0xa40 +[ 64.635267] 1 lock held by syz-executor7/10704: +[ 64.639378] ? fault_create_debugfs_attr+0x1f0/0x1f0 +[ 64.639405] ? check_noncircular+0x20/0x20 +[ 64.644046] #0: +[ 64.651470] ? find_held_lock+0x35/0x1d0 +[ 64.651490] ? __lock_is_held+0xb6/0x140 +[ 64.655175] ( +[ 64.659834] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 64.664907] rcu_read_lock +[ 64.669114] ? rcu_note_context_switch+0x710/0x710 +[ 64.669138] should_failslab+0xec/0x120 +[ 64.671171] ){....} +[ 64.675202] __kmalloc+0x63/0x760 +[ 64.675217] ? crypto_spawn_alg.isra.15+0x1b/0xc0 +[ 64.679259] , at: [<00000000db78fcdc>] __rds_conn_create+0xe46/0x1b50 +[ 64.681023] ? __down_interruptible+0x6b0/0x6b0 +[ 64.681033] ? crypto_create_tfm+0x82/0x2e0 +[ 64.681052] crypto_create_tfm+0x82/0x2e0 +[ 64.728519] ? up_read+0x1a/0x40 +[ 64.731877] crypto_spawn_tfm2+0x4f/0x90 +[ 64.735923] cryptd_skcipher_init_tfm+0x3e/0xe0 +[ 64.740573] ? cryptd_skcipher_encrypt+0x680/0x680 +[ 64.745484] crypto_skcipher_init_tfm+0x29a/0x8c0 +[ 64.750313] crypto_create_tfm+0xdf/0x2e0 +[ 64.754452] crypto_alloc_tfm+0x114/0x2b0 +[ 64.758585] ? crypto_larval_alloc+0x1d0/0x1d0 +[ 64.763157] crypto_alloc_skcipher+0x2c/0x40 +[ 64.767551] cryptd_alloc_skcipher+0x124/0x250 +[ 64.772119] ? cryptd_hash_exit_tfm+0x40/0x40 +[ 64.776611] ? __lock_is_held+0xb6/0x140 +[ 64.780671] ? rcu_read_lock_sched_held+0x108/0x120 +[ 64.785679] simd_skcipher_init+0x66/0x150 +[ 64.789896] ? simd_skcipher_exit+0x40/0x40 +[ 64.794201] crypto_skcipher_init_tfm+0x29a/0x8c0 +[ 64.799032] crypto_create_tfm+0xdf/0x2e0 +[ 64.803173] crypto_alloc_tfm+0x114/0x2b0 +[ 64.807308] ? crypto_larval_alloc+0x1d0/0x1d0 +[ 64.811877] crypto_alloc_skcipher+0x2c/0x40 +[ 64.816270] drbg_init_sym_kernel+0x225/0x777 +[ 64.820754] ? drbg_init_hash_kernel+0x330/0x330 +[ 64.825493] ? find_held_lock+0x35/0x1d0 +[ 64.829543] ? check_noncircular+0x20/0x20 +[ 64.833761] ? check_noncircular+0x20/0x20 +[ 64.837981] ? check_noncircular+0x20/0x20 +[ 64.842206] ? drbg_init_hash_kernel+0x330/0x330 +[ 64.846950] drbg_kcapi_seed+0x4ea/0x1270 +[ 64.851084] ? find_held_lock+0x35/0x1d0 +[ 64.855134] ? drbg_kcapi_random+0x850/0x850 +[ 64.859528] ? __might_fault+0x110/0x1d0 +[ 64.863574] ? lock_downgrade+0x980/0x980 +[ 64.867712] ? lock_release+0xa40/0xa40 +[ 64.871668] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 64.877534] ? __check_object_size+0x8b/0x530 +[ 64.882025] ? __might_sleep+0x95/0x190 +[ 64.885999] crypto_rng_reset+0x7c/0x110 +[ 64.890055] rng_setkey+0x25/0x30 +[ 64.893489] ? rng_sock_destruct+0x90/0x90 +[ 64.897709] alg_setsockopt+0x2a1/0x350 +[ 64.901678] SyS_setsockopt+0x189/0x360 +[ 64.905644] ? SyS_recv+0x40/0x40 +[ 64.909082] ? SyS_write+0x184/0x220 +[ 64.912782] ? SyS_read+0x220/0x220 +[ 64.916396] ? do_syscall_64+0xb7/0x940 +[ 64.920358] ? SyS_recv+0x40/0x40 +[ 64.923795] do_syscall_64+0x282/0x940 +[ 64.927669] ? __do_page_fault+0xc90/0xc90 +[ 64.931911] ? finish_task_switch+0x5af/0x890 +[ 64.936391] ? syscall_return_slowpath+0x550/0x550 +[ 64.941305] ? syscall_return_slowpath+0x2ac/0x550 +[ 64.946221] ? prepare_exit_to_usermode+0x350/0x350 +[ 64.951222] ? entry_SYSCALL_64_after_hwframe+0x36/0x9b +[ 64.956573] ? trace_hardirqs_off_thunk+0x1a/0x1c +[ 64.961407] entry_SYSCALL_64_after_hwframe+0x26/0x9b +[ 64.966578] RIP: 0033:0x453a59 +[ 64.969748] RSP: 002b:00007ff3775c5c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 +[ 64.977438] RAX: ffffffffffffffda RBX: 00007ff3775c66d4 RCX: 0000000000453a59 +[ 64.984688] RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000013 +[ 64.991940] RBP: 000000000071bea0 R08: 0000000000000017 R09: 0000000000000000 +[ 64.999192] R10: 0000000020e03000 R11: 0000000000000246 R12: 0000000000000014 +[ 65.006443] R13: 00000000000004d2 R14: 00000000006f7450 R15: 0000000000000004 +[ 65.013730] CPU: 0 PID: 10704 Comm: syz-executor7 Not tainted 4.15.0+ #222 +[ 65.014255] DRBG: could not allocate CTR cipher TFM handle: ctr(aes) +[ 65.020726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 +[ 65.020730] Call Trace: +[ 65.020743] dump_stack+0x194/0x257 +[ 65.020757] ? arch_local_irq_restore+0x53/0x53 +[ 65.047385] ? print_lock+0x9f/0xa2 +[ 65.051008] ? lockdep_print_held_locks+0xc4/0x130 +[ 65.055942] ___might_sleep+0x2b2/0x470 +[ 65.059917] ? trace_event_raw_event_sched_switch+0x810/0x810 +[ 65.065801] ? __debug_object_init+0x235/0x1040 |