Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/08/17 | upstream (ToT) | 4853c74bd7ab | C | [report] possible deadlock in input_event |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/08/17 | upstream (ToT) | 4853c74bd7ab | C | [report] possible deadlock in input_event |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | possible deadlock in input_event (2) kernfs | C | inconclusive | 2846 | 2h31m | 905d | 0/26 | upstream: reported C repro on 2021/11/10 17:01 | |
upstream | possible deadlock in input_event | C | done | 2740 | 906d | 1210d | 0/26 | closed as dup on 2021/07/07 07:31 | |
linux-5.15 | possible deadlock in input_event origin:upstream missing-backport | C | 114 | 17h10m | 291d | 0/3 | upstream: reported C repro on 2023/07/17 14:44 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/03/11 11:48 | 1h02m | bisect fix | linux-6.1.y | job log (0) log | |
2023/12/23 12:11 | 1h02m | bisect fix | linux-6.1.y | job log (0) log |
===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 6.1.74-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor283/3542 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: ffff8880153a90c0 (&new->fa_lock){....}-{2:2}, at: kill_fasync_rcu fs/fcntl.c:996 [inline] ffff8880153a90c0 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0x196/0x4d0 fs/fcntl.c:1017 and this task is already holding: ffff888024c57028 (&client->buffer_lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline] ffff888024c57028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xee/0xad0 drivers/input/evdev.c:261 which would create a new lock dependency: (&client->buffer_lock){....}-{2:2} -> (&new->fa_lock){....}-{2:2} but this new dependency connects a HARDIRQ-irq-safe lock: (&dev->event_lock#2){-...}-{2:2} ... which became HARDIRQ-irq-safe at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 input_event+0x8d/0xd0 drivers/input/input.c:430 input_report_key include/linux/input.h:425 [inline] psmouse_report_standard_buttons drivers/input/mouse/psmouse-base.c:121 [inline] psmouse_report_standard_packet+0x50/0x200 drivers/input/mouse/psmouse-base.c:139 psmouse_process_byte+0x45b/0x640 drivers/input/mouse/psmouse-base.c:230 psmouse_handle_byte+0x46/0x4b0 drivers/input/mouse/psmouse-base.c:272 psmouse_interrupt+0x697/0x10a0 drivers/input/mouse/psmouse-base.c:424 serio_interrupt+0x88/0x130 drivers/input/serio/serio.c:998 i8042_interrupt+0x357/0x750 drivers/input/serio/i8042.c:606 __handle_irq_event_percpu+0x2a8/0xb20 kernel/irq/handle.c:158 handle_irq_event_percpu kernel/irq/handle.c:193 [inline] handle_irq_event+0x85/0x1e0 kernel/irq/handle.c:210 handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:819 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250 common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline] i8042_command drivers/input/serio/i8042.c:356 [inline] i8042_aux_write+0x112/0x190 drivers/input/serio/i8042.c:391 serio_write include/linux/serio.h:125 [inline] ps2_do_sendbyte+0x20a/0x720 drivers/input/serio/libps2.c:41 ps2_sendbyte+0x5c/0x120 drivers/input/serio/libps2.c:93 cypress_ps2_sendbyte drivers/input/mouse/cypress_ps2.c:42 [inline] cypress_ps2_read_cmd_status drivers/input/mouse/cypress_ps2.c:116 [inline] cypress_send_ext_cmd+0x21d/0x900 drivers/input/mouse/cypress_ps2.c:189 cypress_detect+0x8f/0x220 drivers/input/mouse/cypress_ps2.c:205 psmouse_do_detect drivers/input/mouse/psmouse-base.c:1007 [inline] psmouse_try_protocol drivers/input/mouse/psmouse-base.c:1021 [inline] psmouse_extensions+0xc2a/0x1550 drivers/input/mouse/psmouse-base.c:1144 psmouse_switch_protocol+0x308/0x840 drivers/input/mouse/psmouse-base.c:1538 psmouse_connect+0x903/0x14c0 drivers/input/mouse/psmouse-base.c:1628 serio_connect_driver drivers/input/serio/serio.c:44 [inline] serio_driver_probe+0x74/0x90 drivers/input/serio/serio.c:775 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:785 driver_probe_device+0x50/0x420 drivers/base/dd.c:815 __driver_attach+0x458/0x6f0 drivers/base/dd.c:1201 bus_for_each_dev+0x17c/0x1f0 drivers/base/bus.c:301 serio_attach_driver drivers/input/serio/serio.c:804 [inline] serio_handle_event+0x56a/0x8f0 drivers/input/serio/serio.c:224 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 to a HARDIRQ-irq-unsafe lock: (tasklist_lock){.+.+}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 do_wait+0x2c6/0xb80 kernel/exit.c:1602 kernel_wait+0xe5/0x230 kernel/exit.c:1792 call_usermodehelper_exec_sync kernel/umh.c:140 [inline] call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:167 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 other info that might help us debug this: Chain exists of: &dev->event_lock#2 --> &client->buffer_lock --> tasklist_lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(tasklist_lock); local_irq_disable(); lock(&dev->event_lock#2); lock(&client->buffer_lock); <Interrupt> lock(&dev->event_lock#2); *** DEADLOCK *** 7 locks held by syz-executor283/3542: #0: ffff888022fc2110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x26d/0x7c0 drivers/input/evdev.c:513 #1: ffff88814628f230 (&dev->event_lock#2){-...}-{2:2}, at: input_inject_event+0xc1/0x330 drivers/input/input.c:456 #2: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:306 [inline] #2: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline] #2: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0xd1/0x330 drivers/input/input.c:458 #3: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:306 [inline] #3: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline] #3: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0xa3/0x12a0 drivers/input/input.c:151 #4: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:306 [inline] #4: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline] #4: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x6b/0x2f0 drivers/input/evdev.c:298 #5: ffff888024c57028 (&client->buffer_lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline] #5: ffff888024c57028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values+0xee/0xad0 drivers/input/evdev.c:261 #6: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:306 [inline] #6: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline] #6: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x51/0x4d0 fs/fcntl.c:1016 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&dev->event_lock#2){-...}-{2:2} { IN-HARDIRQ-W at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 input_event+0x8d/0xd0 drivers/input/input.c:430 input_report_key include/linux/input.h:425 [inline] psmouse_report_standard_buttons drivers/input/mouse/psmouse-base.c:121 [inline] psmouse_report_standard_packet+0x50/0x200 drivers/input/mouse/psmouse-base.c:139 psmouse_process_byte+0x45b/0x640 drivers/input/mouse/psmouse-base.c:230 psmouse_handle_byte+0x46/0x4b0 drivers/input/mouse/psmouse-base.c:272 psmouse_interrupt+0x697/0x10a0 drivers/input/mouse/psmouse-base.c:424 serio_interrupt+0x88/0x130 drivers/input/serio/serio.c:998 i8042_interrupt+0x357/0x750 drivers/input/serio/i8042.c:606 __handle_irq_event_percpu+0x2a8/0xb20 kernel/irq/handle.c:158 handle_irq_event_percpu kernel/irq/handle.c:193 [inline] handle_irq_event+0x85/0x1e0 kernel/irq/handle.c:210 handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:819 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0xd7/0x1f0 arch/x86/kernel/irq.c:250 common_interrupt+0x9f/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:644 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline] i8042_command drivers/input/serio/i8042.c:356 [inline] i8042_aux_write+0x112/0x190 drivers/input/serio/i8042.c:391 serio_write include/linux/serio.h:125 [inline] ps2_do_sendbyte+0x20a/0x720 drivers/input/serio/libps2.c:41 ps2_sendbyte+0x5c/0x120 drivers/input/serio/libps2.c:93 cypress_ps2_sendbyte drivers/input/mouse/cypress_ps2.c:42 [inline] cypress_ps2_read_cmd_status drivers/input/mouse/cypress_ps2.c:116 [inline] cypress_send_ext_cmd+0x21d/0x900 drivers/input/mouse/cypress_ps2.c:189 cypress_detect+0x8f/0x220 drivers/input/mouse/cypress_ps2.c:205 psmouse_do_detect drivers/input/mouse/psmouse-base.c:1007 [inline] psmouse_try_protocol drivers/input/mouse/psmouse-base.c:1021 [inline] psmouse_extensions+0xc2a/0x1550 drivers/input/mouse/psmouse-base.c:1144 psmouse_switch_protocol+0x308/0x840 drivers/input/mouse/psmouse-base.c:1538 psmouse_connect+0x903/0x14c0 drivers/input/mouse/psmouse-base.c:1628 serio_connect_driver drivers/input/serio/serio.c:44 [inline] serio_driver_probe+0x74/0x90 drivers/input/serio/serio.c:775 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:785 driver_probe_device+0x50/0x420 drivers/base/dd.c:815 __driver_attach+0x458/0x6f0 drivers/base/dd.c:1201 bus_for_each_dev+0x17c/0x1f0 drivers/base/bus.c:301 serio_attach_driver drivers/input/serio/serio.c:804 [inline] serio_handle_event+0x56a/0x8f0 drivers/input/serio/serio.c:224 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 INITIAL USE at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 input_inject_event+0xc1/0x330 drivers/input/input.c:456 led_trigger_event+0x114/0x1d0 drivers/leds/led-triggers.c:390 kbd_led_trigger_activate+0xb9/0x100 drivers/tty/vt/keyboard.c:1036 led_trigger_set+0x53a/0x910 drivers/leds/led-triggers.c:197 led_trigger_set_default+0x1c2/0x200 drivers/leds/led-triggers.c:262 led_classdev_register_ext+0x600/0x7e0 drivers/leds/led-class.c:419 led_classdev_register include/linux/leds.h:196 [inline] input_leds_connect+0x48f/0x630 drivers/input/input-leds.c:139 input_attach_handler drivers/input/input.c:1060 [inline] input_register_device+0xcec/0x1080 drivers/input/input.c:2396 atkbd_connect+0x79d/0x9e0 drivers/input/keyboard/atkbd.c:1316 serio_connect_driver drivers/input/serio/serio.c:44 [inline] serio_driver_probe+0x74/0x90 drivers/input/serio/serio.c:775 really_probe+0x2ab/0xcb0 drivers/base/dd.c:639 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:785 driver_probe_device+0x50/0x420 drivers/base/dd.c:815 __driver_attach+0x458/0x6f0 drivers/base/dd.c:1201 bus_for_each_dev+0x17c/0x1f0 drivers/base/bus.c:301 serio_attach_driver drivers/input/serio/serio.c:804 [inline] serio_handle_event+0x56a/0x8f0 drivers/input/serio/serio.c:224 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 } ... key at: [<ffffffff9204d340>] input_allocate_device.__key.5+0x0/0x20 -> (&client->buffer_lock){....}-{2:2} { INITIAL USE at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] evdev_pass_values+0xee/0xad0 drivers/input/evdev.c:261 evdev_events+0x1be/0x2f0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:127 [inline] input_pass_values+0x8e0/0x12a0 drivers/input/input.c:159 input_event_dispose+0x366/0x650 drivers/input/input.c:374 input_handle_event+0x97d/0xb00 drivers/input/input.c:402 input_inject_event+0x224/0x330 drivers/input/input.c:461 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x2d9/0xba0 fs/read_write.c:582 ksys_write+0x19c/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd } ... key at: [<ffffffff9204d600>] evdev_open.__key.25+0x0/0x20 ... acquired at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] evdev_pass_values+0xee/0xad0 drivers/input/evdev.c:261 evdev_events+0x1be/0x2f0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:127 [inline] input_pass_values+0x8e0/0x12a0 drivers/input/input.c:159 input_event_dispose+0x366/0x650 drivers/input/input.c:374 input_handle_event+0x97d/0xb00 drivers/input/input.c:402 input_inject_event+0x224/0x330 drivers/input/input.c:461 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x2d9/0xba0 fs/read_write.c:582 ksys_write+0x19c/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (tasklist_lock){.+.+}-{2:2} { HARDIRQ-ON-R at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 do_wait+0x2c6/0xb80 kernel/exit.c:1602 kernel_wait+0xe5/0x230 kernel/exit.c:1792 call_usermodehelper_exec_sync kernel/umh.c:140 [inline] call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:167 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 SOFTIRQ-ON-R at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 do_wait+0x2c6/0xb80 kernel/exit.c:1602 kernel_wait+0xe5/0x230 kernel/exit.c:1792 call_usermodehelper_exec_sync kernel/umh.c:140 [inline] call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:167 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 INITIAL USE at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_write_lock_irq include/linux/rwlock_api_smp.h:195 [inline] _raw_write_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:326 copy_process+0x24b6/0x4060 kernel/fork.c:2401 kernel_clone+0x222/0x920 kernel/fork.c:2682 user_mode_thread+0x12e/0x190 kernel/fork.c:2758 rest_init+0x23/0x300 init/main.c:696 start_kernel+0x0/0x53f init/main.c:891 start_kernel+0x496/0x53f init/main.c:1138 secondary_startup_64_no_verify+0xcf/0xdb INITIAL READ USE at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 do_wait+0x2c6/0xb80 kernel/exit.c:1602 kernel_wait+0xe5/0x230 kernel/exit.c:1792 call_usermodehelper_exec_sync kernel/umh.c:140 [inline] call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:167 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 } ... key at: [<ffffffff8ce0a058>] tasklist_lock+0x18/0x40 ... acquired at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 send_sigio+0xf8/0x360 fs/fcntl.c:792 kill_fasync_rcu fs/fcntl.c:1003 [inline] kill_fasync+0x232/0x4d0 fs/fcntl.c:1017 lease_break_callback+0x22/0x30 fs/locks.c:521 __break_lease+0x4d1/0x1550 fs/locks.c:1521 break_lease include/linux/fs.h:2698 [inline] do_dentry_open+0x76c/0x10f0 fs/open.c:873 do_open fs/namei.c:3634 [inline] path_openat+0x2644/0x2e60 fs/namei.c:3791 do_filp_open+0x230/0x480 fs/namei.c:3818 do_sys_openat2+0x13b/0x500 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_open fs/open.c:1342 [inline] __se_sys_open fs/open.c:1338 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1338 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> (&f->f_owner.lock){....}-{2:2} { INITIAL USE at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_write_lock_irq include/linux/rwlock_api_smp.h:195 [inline] _raw_write_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:326 f_modown+0x38/0x340 fs/fcntl.c:91 __f_setown fs/fcntl.c:110 [inline] f_setown_ex fs/fcntl.c:200 [inline] do_fcntl+0x1128/0x14f0 fs/fcntl.c:383 __do_sys_fcntl fs/fcntl.c:454 [inline] __se_sys_fcntl+0xd5/0x1b0 fs/fcntl.c:439 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd INITIAL READ USE at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236 send_sigio+0x2f/0x360 fs/fcntl.c:778 kill_fasync_rcu fs/fcntl.c:1003 [inline] kill_fasync+0x232/0x4d0 fs/fcntl.c:1017 lease_break_callback+0x22/0x30 fs/locks.c:521 __break_lease+0x4d1/0x1550 fs/locks.c:1521 break_lease include/linux/fs.h:2698 [inline] do_dentry_open+0x76c/0x10f0 fs/open.c:873 do_open fs/namei.c:3634 [inline] path_openat+0x2644/0x2e60 fs/namei.c:3791 do_filp_open+0x230/0x480 fs/namei.c:3818 do_sys_openat2+0x13b/0x500 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_open fs/open.c:1342 [inline] __se_sys_open fs/open.c:1338 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1338 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd } ... key at: [<ffffffff91d53420>] __alloc_file.__key+0x0/0x10 ... acquired at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236 send_sigio+0x2f/0x360 fs/fcntl.c:778 kill_fasync_rcu fs/fcntl.c:1003 [inline] kill_fasync+0x232/0x4d0 fs/fcntl.c:1017 lease_break_callback+0x22/0x30 fs/locks.c:521 __break_lease+0x4d1/0x1550 fs/locks.c:1521 break_lease include/linux/fs.h:2698 [inline] do_dentry_open+0x76c/0x10f0 fs/open.c:873 do_open fs/namei.c:3634 [inline] path_openat+0x2644/0x2e60 fs/namei.c:3791 do_filp_open+0x230/0x480 fs/namei.c:3818 do_sys_openat2+0x13b/0x500 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_open fs/open.c:1342 [inline] __se_sys_open fs/open.c:1338 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1338 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> (&new->fa_lock){....}-{2:2} { INITIAL READ USE at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236 kill_fasync_rcu fs/fcntl.c:996 [inline] kill_fasync+0x196/0x4d0 fs/fcntl.c:1017 lease_break_callback+0x22/0x30 fs/locks.c:521 __break_lease+0x4d1/0x1550 fs/locks.c:1521 break_lease include/linux/fs.h:2698 [inline] do_dentry_open+0x76c/0x10f0 fs/open.c:873 do_open fs/namei.c:3634 [inline] path_openat+0x2644/0x2e60 fs/namei.c:3791 do_filp_open+0x230/0x480 fs/namei.c:3818 do_sys_openat2+0x13b/0x500 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_open fs/open.c:1342 [inline] __se_sys_open fs/open.c:1338 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1338 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd } ... key at: [<ffffffff91d540a0>] fasync_insert_entry.__key+0x0/0x20 ... acquired at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236 kill_fasync_rcu fs/fcntl.c:996 [inline] kill_fasync+0x196/0x4d0 fs/fcntl.c:1017 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values+0x586/0xad0 drivers/input/evdev.c:278 evdev_events+0x1be/0x2f0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:127 [inline] input_pass_values+0x8e0/0x12a0 drivers/input/input.c:159 input_event_dispose+0x366/0x650 drivers/input/input.c:374 input_handle_event+0x97d/0xb00 drivers/input/input.c:402 input_inject_event+0x224/0x330 drivers/input/input.c:461 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x2d9/0xba0 fs/read_write.c:582 ksys_write+0x19c/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd stack backtrace: CPU: 1 PID: 3542 Comm: syz-executor283 Not tainted 6.1.74-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_bad_irq_dependency kernel/locking/lockdep.c:2604 [inline] check_irq_usage kernel/locking/lockdep.c:2843 [inline] check_prev_add kernel/locking/lockdep.c:3094 [inline] check_prevs_add kernel/locking/lockdep.c:3209 [inline] validate_chain+0x4d16/0x5950 kernel/locking/lockdep.c:3825 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline] _raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236 kill_fasync_rcu fs/fcntl.c:996 [inline] kill_fasync+0x196/0x4d0 fs/fcntl.c:1017 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values+0x586/0xad0 drivers/input/evdev.c:278 evdev_events+0x1be/0x2f0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:127 [inline] input_pass_values+0x8e0/0x12a0 drivers/input/input.c:159 input_event_dispose+0x366/0x650 drivers/input/input.c:374 input_handle_event+0x97d/0xb00 drivers/input/input.c:402 input_inject_event+0x224/0x330 drivers/input/input.c:461 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x2d9/0xba0 fs/read_write.c:582 ksys_write+0x19c/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f23e46acf79 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f23e466c228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f23e4734408 RCX: 00007f23e46acf79 RDX: 0000000000002ad8 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007f23e4734400 R08: 00007f23e466c6c0 R0
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/01/20 22:35 | linux-6.1.y | 8fd7f4462453 | 9bd8dcda | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | |
2023/09/13 01:41 | linux-6.1.y | 59b13c2b647e | 59da8366 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | |
2023/08/17 13:21 | linux-6.1.y | 6c44e13dc284 | 74b106b6 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | |
2024/05/03 13:58 | linux-6.1.y | 909ba1f1b414 | dd26401e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/05/03 02:08 | linux-6.1.y | 909ba1f1b414 | ddfc15a1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/05/03 00:24 | linux-6.1.y | 909ba1f1b414 | ddfc15a1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/05/02 20:36 | linux-6.1.y | 909ba1f1b414 | 3ba885bc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/05/02 18:08 | linux-6.1.y | 909ba1f1b414 | 3ba885bc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/05/01 09:15 | linux-6.1.y | dcbc050cb0d3 | 3ba885bc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/05/01 05:53 | linux-6.1.y | dcbc050cb0d3 | 3ba885bc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/05/01 01:22 | linux-6.1.y | dcbc050cb0d3 | 3ba885bc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/30 11:56 | linux-6.1.y | dcbc050cb0d3 | 3ce4924c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/30 00:29 | linux-6.1.y | dcbc050cb0d3 | f10afd69 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/29 21:22 | linux-6.1.y | dcbc050cb0d3 | f10afd69 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/29 16:26 | linux-6.1.y | dcbc050cb0d3 | 27e33c58 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/29 13:34 | linux-6.1.y | dcbc050cb0d3 | 27e33c58 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/29 10:46 | linux-6.1.y | f2295faba5e8 | 27e33c58 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/27 19:48 | linux-6.1.y | f2295faba5e8 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/27 06:14 | linux-6.1.y | 6741e066ec76 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/27 03:36 | linux-6.1.y | 6741e066ec76 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/26 14:35 | linux-6.1.y | 6741e066ec76 | 059e9963 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/26 02:28 | linux-6.1.y | 6741e066ec76 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/25 19:11 | linux-6.1.y | 6741e066ec76 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/25 17:53 | linux-6.1.y | 6741e066ec76 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/25 14:34 | linux-6.1.y | 6741e066ec76 | 8bdc0f22 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/23 12:00 | linux-6.1.y | 6741e066ec76 | 21339d7b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/22 12:32 | linux-6.1.y | 6741e066ec76 | 36c961ad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/22 10:47 | linux-6.1.y | 6741e066ec76 | 36c961ad | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/21 19:37 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/21 13:26 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/19 07:44 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/18 11:54 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/17 18:37 | linux-6.1.y | 6741e066ec76 | acc528cb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/17 13:17 | linux-6.1.y | 6741e066ec76 | 18f6e127 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/16 18:45 | linux-6.1.y | cd5d98c0556c | 18f6e127 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/16 17:40 | linux-6.1.y | cd5d98c0556c | 18f6e127 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/16 07:11 | linux-6.1.y | cd5d98c0556c | 0d592ce4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/15 16:53 | linux-6.1.y | cd5d98c0556c | b9af7e61 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/14 08:05 | linux-6.1.y | cd5d98c0556c | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/14 07:24 | linux-6.1.y | cd5d98c0556c | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/14 00:35 | linux-6.1.y | cd5d98c0556c | c8349e48 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/11 00:25 | linux-6.1.y | bf1e3b1cb1e0 | 4320ec32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/10 12:19 | linux-6.1.y | 347385861c50 | 4320ec32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/09 22:30 | linux-6.1.y | 347385861c50 | 171ec371 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/09 20:26 | linux-6.1.y | 347385861c50 | 171ec371 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/09 16:06 | linux-6.1.y | 347385861c50 | f3234354 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/09 12:50 | linux-6.1.y | 347385861c50 | f3234354 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/09 02:20 | linux-6.1.y | 347385861c50 | f3234354 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/08 14:53 | linux-6.1.y | 347385861c50 | 53df08b6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/08 03:47 | linux-6.1.y | 347385861c50 | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2024/04/07 20:25 | linux-6.1.y | 347385861c50 | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | possible deadlock in input_event | ||
2023/06/23 12:10 | linux-6.1.y | e84a4e368abe | 79782afc | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | possible deadlock in input_event |