From ed183554eb19dc7e173e1952381115c816883437 Mon Sep 17 00:00:00 2001 From: Dmitry Vyukov Date: Fri, 18 Nov 2022 17:39:25 +0100 Subject: pkg/report: skip some new spinlock/mutex-related frames --- pkg/report/testdata/linux/report/679 | 91 ++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 pkg/report/testdata/linux/report/679 (limited to 'pkg/report/testdata/linux') diff --git a/pkg/report/testdata/linux/report/679 b/pkg/report/testdata/linux/report/679 new file mode 100644 index 000000000..376e8944e --- /dev/null +++ b/pkg/report/testdata/linux/report/679 @@ -0,0 +1,91 @@ +TITLE: inconsistent lock state in sched_core_balance + +[ 124.804344][ T3879] ================================ +[ 124.809430][ T3879] WARNING: inconsistent lock state +[ 124.814523][ T3879] 5.10.136-syzkaller-19376-g6f46a5fe0124 #0 Not tainted +[ 124.821439][ T3879] -------------------------------- +[ 124.826523][ T3879] inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage. +[ 124.833359][ T3879] syz-executor.4/3879 [HC0[0]:SC0[0]:HE0:SE1] takes: +[ 124.840218][ T3879] ffff888114ca0920 (&p->pi_lock){?.-.}-{2:2}, at: task_blocks_on_rt_mutex+0x231/0x342 +[ 124.849778][ T3879] {IN-HARDIRQ-W} state was registered at: +[ 124.855477][ T3879] lock_acquire+0x379/0x3f9 +[ 124.860053][ T3879] _raw_spin_lock_irqsave+0x3c/0x4c +[ 124.865322][ T3879] try_to_wake_up+0xf9/0x9d4 +[ 124.869975][ T3879] swake_up_locked+0x5c/0x69 +[ 124.874631][ T3879] swake_up_one+0x16/0x24 +[ 124.879026][ T3879] rcu_report_exp_cpu_mult+0x1f9/0x239 +[ 124.884551][ T3879] flush_smp_call_function_queue+0x56a/0x5da +[ 124.890600][ T3879] __sysvec_call_function_single+0x154/0x299 +[ 124.896644][ T3879] asm_call_irq_on_stack+0xf/0x20 +[ 124.901733][ T3879] sysvec_call_function_single+0x90/0xca +[ 124.907429][ T3879] asm_sysvec_call_function_single+0x12/0x20 +[ 124.913476][ T3879] get_page_from_freelist+0xdbe/0x1087 +[ 124.918999][ T3879] __alloc_pages_nodemask+0x25c/0x485 +[ 124.924439][ T3879] alloc_slab_page+0x22/0x57 +[ 124.929094][ T3879] allocate_slab+0x77/0x393 +[ 124.933664][ T3879] ___slab_alloc.constprop.0+0x308/0x3e0 +[ 124.939365][ T3879] __slab_alloc.constprop.0+0x67/0x8e +[ 124.944797][ T3879] kmem_cache_alloc+0x91/0x217 +[ 124.949623][ T3879] __alloc_file+0x28/0x2e6 +[ 124.954106][ T3879] alloc_empty_file+0xfb/0x180 +[ 124.958934][ T3879] path_openat+0xed/0x192a +[ 124.963415][ T3879] do_filp_open+0xc2/0x156 +[ 124.967893][ T3879] do_open_execat+0x123/0x70f +[ 124.972629][ T3879] bprm_execve+0x4f2/0x146b +[ 124.977202][ T3879] kernel_execve+0x2ee/0x30d +[ 124.981858][ T3879] call_usermodehelper_exec_async+0x278/0x328 +[ 124.987987][ T3879] ret_from_fork+0x1f/0x30 +[ 124.992458][ T3879] irq event stamp: 66 +[ 124.996421][ T3879] hardirqs last enabled at (65): [] syscall_enter_from_user_mode+0x52/0x79 +[ 125.006637][ T3879] hardirqs last disabled at (66): [] _raw_spin_lock_irqsave+0x16/0x4c +[ 125.016328][ T3879] softirqs last enabled at (50): [] fpregs_unlock+0x0/0x45 +[ 125.025168][ T3879] softirqs last disabled at (48): [] fpregs_lock+0x0/0x25 +[ 125.033810][ T3879] +[ 125.033810][ T3879] other info that might help us debug this: +[ 125.041845][ T3879] Possible unsafe locking scenario: +[ 125.041845][ T3879] +[ 125.049272][ T3879] CPU0 +[ 125.052528][ T3879] ---- +[ 125.055783][ T3879] lock(&p->pi_lock); +[ 125.059831][ T3879] +[ 125.063262][ T3879] lock(&p->pi_lock); +[ 125.067489][ T3879] +[ 125.067489][ T3879] *** DEADLOCK *** +[ 125.067489][ T3879] +[ 125.075612][ T3879] 5 locks held by syz-executor.4/3879: +[ 125.081037][ T3879] #0: ffffffff868d4e30 ((task_exit_notifier).rwsem){++++}-{3:3}, at: blocking_notifier_call_chain+0x58/0x89 +[ 125.092588][ T3879] #1: ffffffff870080e0 (uid_lock){+.+.}-{0:0}, at: process_notifier+0x7f/0x32e +[ 125.101614][ T3879] #2: ffffffff87008078 (uid_lock.wait_lock){+...}-{2:2}, at: rt_mutex_slowlock+0x9f/0x345 +[ 125.111592][ T3879] #3: ffff888114ca0920 (&p->pi_lock){?.-.}-{2:2}, at: task_blocks_on_rt_mutex+0x231/0x342 +[ 125.121573][ T3879] #4: ffffffff868c1760 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire.constprop.0+0x0/0x22 +[ 125.131900][ T3879] +[ 125.131900][ T3879] stack backtrace: +[ 125.137774][ T3879] CPU: 0 PID: 3879 Comm: syz-executor.4 Not tainted 5.10.136-syzkaller-19376-g6f46a5fe0124 #0 8f0771607702f5ef7184d2ee33bd0acd70219fc4 +[ 125.151538][ T3879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 +[ 125.161567][ T3879] Call Trace: +[ 125.164842][ T3879] dump_stack+0x107/0x163 +[ 125.169156][ T3879] mark_lock+0x310/0x6ae +[ 125.197302][ T3879] mark_held_locks+0xa4/0xbb +[ 125.207058][ T3879] lockdep_hardirqs_on_prepare+0x2fe/0x376 +[ 125.212865][ T3879] trace_hardirqs_on+0x69/0x74 +[ 125.217615][ T3879] raw_spin_rq_unlock_irq+0xa/0xc +[ 125.222622][ T3879] sched_core_balance+0xa8/0x635 +[ 125.238157][ T3879] balance_callback+0xcb/0xf0 +[ 125.242816][ T3879] rt_mutex_setprio+0x745/0x80e +[ 125.261963][ T3879] task_blocks_on_rt_mutex+0x25d/0x342 +[ 125.267404][ T3879] rt_mutex_slowlock+0x1b3/0x345 +[ 125.277599][ T3879] process_notifier+0x7f/0x32e +[ 125.292269][ T3879] notifier_call_chain+0x125/0x1a2 +[ 125.297364][ T3879] blocking_notifier_call_chain+0x6c/0x89 +[ 125.303062][ T3879] do_exit+0x1c1/0x2054 +[ 125.335433][ T3879] __x64_sys_exit+0x42/0x42 +[ 125.339917][ T3879] do_syscall_64+0x33/0x40 +[ 125.344315][ T3879] entry_SYSCALL_64_after_hwframe+0x61/0xc6 +[ 125.350188][ T3879] RIP: 0033:0x7a9d147cc639 +[ 125.354583][ T3879] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 +[ 125.374167][ T3879] RSP: 002b:0000000020000698 EFLAGS: 00000246 ORIG_RAX: 000000000000003c +[ 125.382561][ T3879] RAX: ffffffffffffffda RBX: 00007a9d148ecf80 RCX: 00007a9d147cc639 +[ 125.390513][ T3879] RDX: 00007a9d147cc639 RSI: 00000000200006c0 RDI: 000000000000000b +[ 125.398462][ T3879] RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000 +[ 125.406413][ T3879] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 +[ 125.414365][ T3879] R13: 00007ffe8426462f R14: 00007a9d12d3f300 R15: 0000000000022000 -- cgit mrf-deployment