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🐞 Open [958] 🐞 Fixed [3804] 🐞 Invalid [8173] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | possible deadlock in _snd_pcm_stream_lock_irqsave | C | done | 997 | 585d | 622d | 17/22 | fixed on 2020/11/16 12:12 | |
upstream | possible deadlock in _snd_pcm_stream_lock_irqsave (2) | 120 | 196d | 304d | 22/22 | fixed on 2021/11/10 00:50 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2022/04/24 01:01 | 14m | hdanton@sina.com | patch | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/ 13bc32bad705 | OK |
======================================================== WARNING: possible irq lock inversion dependency detected 5.18.0-rc3-syzkaller-00218-g13bc32bad705 #0 Not tainted -------------------------------------------------------- swapper/0/0 just changed the state of lock: ffff888022e8b110 (&group->lock){..-.}-{2:2}, at: _snd_pcm_stream_lock_irqsave+0x9f/0xd0 sound/core/pcm_native.c:170 but this lock took another, SOFTIRQ-READ-unsafe lock in the past: (tasklist_lock){.+.+}-{2:2} and interrupts could create inverse lock ordering between them. other info that might help us debug this: Chain exists of: &group->lock --> &timer->lock --> tasklist_lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(tasklist_lock); local_irq_disable(); lock(&group->lock); lock(&timer->lock); <Interrupt> lock(&group->lock); *** DEADLOCK *** no locks held by swapper/0/0. the shortest dependencies between 2nd lock and 1st lock: -> (tasklist_lock){.+.+}-{2:2} { HARDIRQ-ON-R at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:228 do_wait+0x284/0xce0 kernel/exit.c:1508 kernel_wait+0x9c/0x150 kernel/exit.c:1698 call_usermodehelper_exec_sync kernel/umh.c:139 [inline] call_usermodehelper_exec_work+0xf5/0x180 kernel/umh.c:166 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 SOFTIRQ-ON-R at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:228 do_wait+0x284/0xce0 kernel/exit.c:1508 kernel_wait+0x9c/0x150 kernel/exit.c:1698 call_usermodehelper_exec_sync kernel/umh.c:139 [inline] call_usermodehelper_exec_work+0xf5/0x180 kernel/umh.c:166 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_write_lock_irq include/linux/rwlock_api_smp.h:195 [inline] _raw_write_lock_irq+0x32/0x50 kernel/locking/spinlock.c:326 copy_process+0x4364/0x6fe0 kernel/fork.c:2368 kernel_clone+0xe7/0xab0 kernel/fork.c:2639 kernel_thread+0xb5/0xf0 kernel/fork.c:2691 rest_init+0x23/0x3e0 init/main.c:691 start_kernel+0x47f/0x4a0 init/main.c:1140 secondary_startup_64_no_verify+0xc3/0xcb INITIAL READ USE at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:228 do_wait+0x284/0xce0 kernel/exit.c:1508 kernel_wait+0x9c/0x150 kernel/exit.c:1698 call_usermodehelper_exec_sync kernel/umh.c:139 [inline] call_usermodehelper_exec_work+0xf5/0x180 kernel/umh.c:166 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 } ... key at: [<ffffffff8ba0a098>] tasklist_lock+0x18/0x40 ... acquired at: __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:228 send_sigio+0xab/0x380 fs/fcntl.c:792 dnotify_handle_event+0x148/0x280 fs/notify/dnotify/dnotify.c:115 fsnotify_handle_inode_event.isra.0+0x209/0x350 fs/notify/fsnotify.c:264 fsnotify_handle_event fs/notify/fsnotify.c:323 [inline] send_to_group fs/notify/fsnotify.c:377 [inline] fsnotify+0xeaf/0x13d0 fs/notify/fsnotify.c:564 fsnotify_name include/linux/fsnotify.h:36 [inline] fsnotify_name include/linux/fsnotify.h:29 [inline] fsnotify_dirent include/linux/fsnotify.h:42 [inline] fsnotify_create include/linux/fsnotify.h:207 [inline] open_last_lookups fs/namei.c:3402 [inline] path_openat+0x1232/0x2910 fs/namei.c:3606 do_filp_open+0x1aa/0x400 fs/namei.c:3636 do_sys_openat2+0x16d/0x4c0 fs/open.c:1213 do_sys_open fs/open.c:1229 [inline] __do_sys_creat fs/open.c:1305 [inline] __se_sys_creat fs/open.c:1299 [inline] __x64_sys_creat+0xc9/0x120 fs/open.c:1299 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae -> (&f->f_owner.lock){....}-{2:2} { INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_write_lock_irq include/linux/rwlock_api_smp.h:195 [inline] _raw_write_lock_irq+0x32/0x50 kernel/locking/spinlock.c:326 f_modown+0x2a/0x390 fs/fcntl.c:91 __f_setown fs/fcntl.c:110 [inline] f_setown+0xd7/0x230 fs/fcntl.c:138 do_fcntl+0x748/0x10b0 fs/fcntl.c:377 __do_sys_fcntl fs/fcntl.c:454 [inline] __se_sys_fcntl fs/fcntl.c:439 [inline] __x64_sys_fcntl+0x15f/0x1d0 fs/fcntl.c:439 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae INITIAL READ USE at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:236 send_sigio+0x24/0x380 fs/fcntl.c:778 kill_fasync_rcu fs/fcntl.c:1003 [inline] kill_fasync fs/fcntl.c:1017 [inline] kill_fasync+0x1f8/0x470 fs/fcntl.c:1010 snd_timer_user_ccallback+0x298/0x330 sound/core/timer.c:1386 snd_timer_notify1+0x11c/0x3b0 sound/core/timer.c:516 snd_timer_start1+0x4d4/0x800 sound/core/timer.c:578 snd_timer_start sound/core/timer.c:696 [inline] snd_timer_start sound/core/timer.c:689 [inline] snd_timer_user_start.isra.0+0x1e3/0x260 sound/core/timer.c:1984 __snd_timer_user_ioctl.isra.0+0xda4/0x2490 sound/core/timer.c:2107 snd_timer_user_ioctl+0x77/0xb0 sound/core/timer.c:2128 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae } ... key at: [<ffffffff9061aa40>] __key.5+0x0/0x40 ... acquired at: __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:236 send_sigio+0x24/0x380 fs/fcntl.c:778 kill_fasync_rcu fs/fcntl.c:1003 [inline] kill_fasync fs/fcntl.c:1017 [inline] kill_fasync+0x1f8/0x470 fs/fcntl.c:1010 snd_timer_user_ccallback+0x298/0x330 sound/core/timer.c:1386 snd_timer_notify1+0x11c/0x3b0 sound/core/timer.c:516 snd_timer_start1+0x4d4/0x800 sound/core/timer.c:578 snd_timer_start sound/core/timer.c:696 [inline] snd_timer_start sound/core/timer.c:689 [inline] snd_timer_user_start.isra.0+0x1e3/0x260 sound/core/timer.c:1984 __snd_timer_user_ioctl.isra.0+0xda4/0x2490 sound/core/timer.c:2107 snd_timer_user_ioctl+0x77/0xb0 sound/core/timer.c:2128 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae -> (&new->fa_lock){....}-{2:2} { INITIAL READ USE at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:236 kill_fasync_rcu fs/fcntl.c:996 [inline] kill_fasync fs/fcntl.c:1017 [inline] kill_fasync+0x136/0x470 fs/fcntl.c:1010 snd_timer_user_ccallback+0x298/0x330 sound/core/timer.c:1386 snd_timer_notify1+0x11c/0x3b0 sound/core/timer.c:516 snd_timer_start1+0x4d4/0x800 sound/core/timer.c:578 snd_timer_start sound/core/timer.c:696 [inline] snd_timer_start sound/core/timer.c:689 [inline] snd_timer_user_start.isra.0+0x1e3/0x260 sound/core/timer.c:1984 __snd_timer_user_ioctl.isra.0+0xda4/0x2490 sound/core/timer.c:2107 snd_timer_user_ioctl+0x77/0xb0 sound/core/timer.c:2128 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae } ... key at: [<ffffffff9061b820>] __key.0+0x0/0x40 ... acquired at: __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:236 kill_fasync_rcu fs/fcntl.c:996 [inline] kill_fasync fs/fcntl.c:1017 [inline] kill_fasync+0x136/0x470 fs/fcntl.c:1010 snd_timer_user_ccallback+0x298/0x330 sound/core/timer.c:1386 snd_timer_notify1+0x11c/0x3b0 sound/core/timer.c:516 snd_timer_start1+0x4d4/0x800 sound/core/timer.c:578 snd_timer_start sound/core/timer.c:696 [inline] snd_timer_start sound/core/timer.c:689 [inline] snd_timer_user_start.isra.0+0x1e3/0x260 sound/core/timer.c:1984 __snd_timer_user_ioctl.isra.0+0xda4/0x2490 sound/core/timer.c:2107 snd_timer_user_ioctl+0x77/0xb0 sound/core/timer.c:2128 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae -> (&timer->lock){....}-{2:2} { INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 snd_timer_resolution+0x55/0x100 sound/core/timer.c:489 snd_timer_user_params.isra.0+0x18e/0x8c0 sound/core/timer.c:1851 __snd_timer_user_ioctl.isra.0+0x101c/0x2490 sound/core/timer.c:2100 snd_timer_user_ioctl+0x77/0xb0 sound/core/timer.c:2128 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae } ... key at: [<ffffffff909196a0>] __key.10+0x0/0x40 ... acquired at: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 snd_timer_notify sound/core/timer.c:1086 [inline] snd_timer_notify+0x10c/0x3d0 sound/core/timer.c:1073 snd_pcm_timer_notify sound/core/pcm_native.c:608 [inline] snd_pcm_post_start+0x24a/0x310 sound/core/pcm_native.c:1451 snd_pcm_action_single+0xf4/0x130 sound/core/pcm_native.c:1283 snd_pcm_action+0x6e/0x90 sound/core/pcm_native.c:1364 __snd_pcm_lib_xfer+0x14d0/0x1e10 sound/core/pcm_lib.c:2308 snd_pcm_oss_write3+0x103/0x250 sound/core/oss/pcm_oss.c:1253 snd_pcm_oss_write2+0x30e/0x3f0 sound/core/oss/pcm_oss.c:1393 snd_pcm_oss_sync1+0x187/0x440 sound/core/oss/pcm_oss.c:1627 snd_pcm_oss_sync+0x638/0x800 sound/core/oss/pcm_oss.c:1704 snd_pcm_oss_release+0x276/0x300 sound/core/oss/pcm_oss.c:2590 __fput+0x277/0x9d0 fs/file_table.c:317 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:37 [inline] do_exit+0xaff/0x2a00 kernel/exit.c:795 do_group_exit+0xd2/0x2f0 kernel/exit.c:925 __do_sys_exit_group kernel/exit.c:936 [inline] __se_sys_exit_group kernel/exit.c:934 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:934 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae -> (&group->lock){..-.}-{2:2} { IN-SOFTIRQ-W at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 _snd_pcm_stream_lock_irqsave+0x9f/0xd0 sound/core/pcm_native.c:170 snd_pcm_period_elapsed+0x1d/0x50 sound/core/pcm_lib.c:1848 dummy_hrtimer_callback+0x94/0x1b0 sound/drivers/dummy.c:377 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:645 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:115 [inline] acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:556 acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:691 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400 start_kernel+0x47f/0x4a0 init/main.c:1140 secondary_startup_64_no_verify+0xc3/0xcb INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline] _raw_spin_lock_irq+0x32/0x50 kernel/locking/spinlock.c:170 spin_lock_irq include/linux/spinlock.h:374 [inline] snd_pcm_group_lock_irq sound/core/pcm_native.c:97 [inline] snd_pcm_stream_lock_irq sound/core/pcm_native.c:136 [inline] snd_pcm_hw_params+0x14b/0x19f0 sound/core/pcm_native.c:726 snd_pcm_kernel_ioctl+0x164/0x310 sound/core/pcm_native.c:3435 snd_pcm_oss_change_params_locked+0x14e2/0x3a70 sound/core/oss/pcm_oss.c:976 snd_pcm_oss_make_ready_locked+0xb3/0x130 sound/core/oss/pcm_oss.c:1198 snd_pcm_oss_write1 sound/core/oss/pcm_oss.c:1416 [inline] snd_pcm_oss_write+0x4ac/0x9c0 sound/core/oss/pcm_oss.c:2811 vfs_write+0x269/0xac0 fs/read_write.c:589 ksys_write+0x127/0x250 fs/read_write.c:644 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae } ... key at: [<ffffffff90919f00>] __key.8+0x0/0x40 ... acquired at: mark_lock kernel/locking/lockdep.c:4571 [inline] mark_usage kernel/locking/lockdep.c:4502 [inline] __lock_acquire+0x11e7/0x56c0 kernel/locking/lockdep.c:4983 lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 _snd_pcm_stream_lock_irqsave+0x9f/0xd0 sound/core/pcm_native.c:170 snd_pcm_period_elapsed+0x1d/0x50 sound/core/pcm_lib.c:1848 dummy_hrtimer_callback+0x94/0x1b0 sound/drivers/dummy.c:377 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:645 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:115 [inline] acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:556 acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:691 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400 start_kernel+0x47f/0x4a0 init/main.c:1140 secondary_startup_64_no_verify+0xc3/0xcb stack backtrace: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-rc3-syzkaller-00218-g13bc32bad705 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_irq_inversion_bug kernel/locking/lockdep.c:192 [inline] check_usage_forwards kernel/locking/lockdep.c:4045 [inline] mark_lock_irq kernel/locking/lockdep.c:4177 [inline] mark_lock.part.0.cold+0x86/0xd8 kernel/locking/lockdep.c:4607 mark_lock kernel/locking/lockdep.c:4571 [inline] mark_usage kernel/locking/lockdep.c:4502 [inline] __lock_acquire+0x11e7/0x56c0 kernel/locking/lockdep.c:4983 lock_acquire kernel/locking/lockdep.c:5641 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5606 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 _snd_pcm_stream_lock_irqsave+0x9f/0xd0 sound/core/pcm_native.c:170 snd_pcm_period_elapsed+0x1d/0x50 sound/core/pcm_lib.c:1848 dummy_hrtimer_callback+0x94/0x1b0 sound/drivers/dummy.c:377 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:116 [inline] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:556 Code: 89 de e8 7d 6e 0c f8 84 db 75 ac e8 94 6a 0c f8 e8 ff b2 12 f8 eb 0c e8 88 6a 0c f8 0f 00 2d 51 07 c6 00 e8 7c 6a 0c f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 f7 6c 0c f8 48 85 db RSP: 0018:ffffffff8ba07d60 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff8babc700 RSI: ffffffff896cc614 RDI: 0000000000000000 RBP: ffff8880165b4864 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817f7938 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880165b4800 R14: ffff8880165b4864 R15: ffff8881407ed004 acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:691 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400 start_kernel+0x47f/0x4a0 init/main.c:1140 second ---------------- Code disassembly (best guess): 0: 89 de mov %ebx,%esi 2: e8 7d 6e 0c f8 callq 0xf80c6e84 7: 84 db test %bl,%bl 9: 75 ac jne 0xffffffb7 b: e8 94 6a 0c f8 callq 0xf80c6aa4 10: e8 ff b2 12 f8 callq 0xf812b314 15: eb 0c jmp 0x23 17: e8 88 6a 0c f8 callq 0xf80c6aa4 1c: 0f 00 2d 51 07 c6 00 verw 0xc60751(%rip) # 0xc60774 23: e8 7c 6a 0c f8 callq 0xf80c6aa4 28: fb sti 29: f4 hlt * 2a: 9c pushfq <-- trapping instruction 2b: 5b pop %rbx 2c: 81 e3 00 02 00 00 and $0x200,%ebx 32: fa cli 33: 31 ff xor %edi,%edi 35: 48 89 de mov %rbx,%rsi 38: e8 f7 6c 0c f8 callq 0xf80c6d34 3d: 48 85 db test %rbx,%rbx
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-kasan-gce | 2022/04/23 22:51 | upstream | 13bc32bad705 | 131df97d | .config | log | report | syz | C | possible deadlock in _snd_pcm_stream_lock_irqsave | |
ci-upstream-linux-next-kasan-gce-root | 2022/05/18 05:07 | linux-next | 3f7bdc402fb0 | 744a39e2 | .config | log | report | syz | C | possible deadlock in _snd_pcm_stream_lock_irqsave | |
ci-upstream-kasan-gce | 2022/05/24 03:36 | upstream | 1e57930e9f40 | e7f9308d | .config | log | report | syz | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/04/24 11:12 | upstream | 22da5264abf4 | 131df97d | .config | log | report | syz | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/04/21 19:06 | upstream | b253435746d9 | 2738b391 | .config | log | report | syz | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-root | 2022/04/12 08:46 | upstream | ce522ba9ef7e | af01ee7d | .config | log | report | syz | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2021/12/20 02:22 | upstream | a76c3d035872 | 44068e19 | .config | log | report | syz | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-selinux-root | 2022/05/23 11:49 | upstream | 4b0986a3613c | 4c7657cb | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-selinux-root | 2022/05/23 09:47 | upstream | 4b0986a3613c | 4c7657cb | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-root | 2022/05/23 01:27 | upstream | 4b0986a3613c | 7268fa62 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/22 10:09 | upstream | eaea45fc0e7b | 7268fa62 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/22 07:25 | upstream | eaea45fc0e7b | 7268fa62 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/21 18:56 | upstream | 6c3f5bec9b40 | 7268fa62 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/20 18:33 | upstream | 3d7285a335ed | bd37ad7e | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/20 14:57 | upstream | 3d7285a335ed | cb1ac2e7 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-selinux-root | 2022/05/20 01:20 | upstream | b015dcd62b86 | cb1ac2e7 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-qemu-upstream | 2022/05/19 09:07 | upstream | f993aed406ea | 50c53f39 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-selinux-root | 2022/05/19 07:14 | upstream | f993aed406ea | 50c53f39 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-root | 2022/05/18 13:46 | upstream | 210e04ff7681 | 50c53f39 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/18 12:23 | upstream | 210e04ff7681 | 744a39e2 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-selinux-root | 2022/05/18 01:45 | upstream | 210e04ff7681 | 744a39e2 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-selinux-root | 2022/05/16 12:11 | upstream | 42226c989789 | 744a39e2 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/15 16:34 | upstream | bc403203d65a | 744a39e2 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/14 10:24 | upstream | ec7f49619d8e | 744a39e2 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/14 08:01 | upstream | ec7f49619d8e | 744a39e2 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/13 07:31 | upstream | f3f19f939c11 | 9ad6612a | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/12 20:07 | upstream | 0ac824f379fb | 9ad6612a | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/12 18:10 | upstream | 0ac824f379fb | 9ad6612a | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/12 15:17 | upstream | feb9c5e19e91 | 9ad6612a | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/10 23:52 | upstream | feb9c5e19e91 | 8d7b3b67 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/10 20:22 | upstream | feb9c5e19e91 | 8b277b8e | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/09 19:57 | upstream | 9be9ed2612b5 | 8b277b8e | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/09 02:41 | upstream | c5eb0a61238d | e60b1103 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/08 16:35 | upstream | 30c8e80f7932 | e60b1103 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/06 21:12 | upstream | 64267926e01b | e60b1103 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce | 2022/05/06 03:04 | upstream | 0f5d752b1395 | efeff0a5 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-root | 2021/11/10 03:43 | upstream | cb690f5238d7 | 55fa030c | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/23 05:41 | upstream | 4b0986a3613c | 7268fa62 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/22 15:25 | upstream | eaea45fc0e7b | 7268fa62 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/21 21:53 | upstream | 6c3f5bec9b40 | 7268fa62 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/19 14:41 | upstream | f993aed406ea | 50c53f39 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/19 12:57 | upstream | f993aed406ea | 50c53f39 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/19 10:37 | upstream | f993aed406ea | 50c53f39 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/18 21:22 | upstream | ef1302160bfb | 50c53f39 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/18 16:41 | upstream | 210e04ff7681 | 50c53f39 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/16 15:04 | upstream | 42226c989789 | 744a39e2 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/16 08:45 | upstream | 42226c989789 | 744a39e2 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/14 23:35 | upstream | 2fe1020d73ca | 744a39e2 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/13 15:27 | upstream | f3f19f939c11 | 107f6434 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/13 12:42 | upstream | f3f19f939c11 | 107f6434 | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/10 12:30 | upstream | 9be9ed2612b5 | 8b277b8e | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-kasan-gce-386 | 2022/05/09 14:20 | upstream | c5eb0a61238d | 8b277b8e | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave | ||
ci-upstream-linux-next-kasan-gce-root | 2022/05/09 09:57 | linux-next | 38a288f5941e | 8b277b8e | .config | log | report | info | possible deadlock in _snd_pcm_stream_lock_irqsave |