===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 5.15.154-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor116/3498 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: ffffffff8c60a058 (tasklist_lock){.+.+}-{2:2}, at: send_sigurg+0xc8/0x380 fs/fcntl.c:851 and this task is already holding: ffff8880761dfcb8 (&f->f_owner.lock){....}-{2:2}, at: send_sigurg+0x25/0x380 fs/fcntl.c:835 which would create a new lock dependency: (&f->f_owner.lock){....}-{2:2} -> (tasklist_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+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __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+0x8a/0xd0 drivers/input/input.c:456 input_report_key include/linux/input.h:425 [inline] psmouse_report_standard_buttons drivers/input/mouse/psmouse-base.c:123 [inline] psmouse_report_standard_packet+0x50/0x200 drivers/input/mouse/psmouse-base.c:141 psmouse_process_byte+0x45b/0x640 drivers/input/mouse/psmouse-base.c:232 psmouse_handle_byte+0x46/0x4b0 drivers/input/mouse/psmouse-base.c:274 psmouse_interrupt+0x697/0x10a0 drivers/input/mouse/psmouse-base.c:426 serio_interrupt+0x88/0x130 drivers/input/serio/serio.c:1001 i8042_interrupt+0x355/0x750 drivers/input/serio/i8042.c:606 __handle_irq_event_percpu+0x292/0xa70 kernel/irq/handle.c:156 handle_irq_event_percpu kernel/irq/handle.c:196 [inline] handle_irq_event+0xff/0x2b0 kernel/irq/handle.c:213 handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:822 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:629 preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6780 irqentry_exit+0x53/0x80 kernel/entry/common.c:432 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:629 arch_test_and_set_bit arch/x86/include/asm/bitops.h:138 [inline] test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:71 [inline] queue_work_on+0x1f4/0x250 kernel/workqueue.c:1558 queue_work include/linux/workqueue.h:512 [inline] call_usermodehelper_exec+0x269/0x450 kernel/umh.c:435 kobject_uevent_env+0x69e/0x8d0 lib/kobject_uevent.c:618 driver_register+0x35b/0x3a0 drivers/base/driver.c:248 usb_register_driver+0x206/0x3d0 drivers/usb/core/driver.c:1061 do_one_initcall+0x22b/0x7a0 init/main.c:1300 do_initcall_level+0x157/0x210 init/main.c:1373 do_initcalls+0x49/0x90 init/main.c:1389 kernel_init_freeable+0x425/0x5c0 init/main.c:1613 kernel_init+0x19/0x290 init/main.c:1504 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 to a HARDIRQ-irq-unsafe lock: (tasklist_lock){.+.+}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 do_wait+0x2a7/0xaf0 kernel/exit.c:1576 kernel_wait+0xe5/0x230 kernel/exit.c:1766 call_usermodehelper_exec_sync kernel/umh.c:139 [inline] call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:166 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 other info that might help us debug this: Chain exists of: &dev->event_lock#2 --> &f->f_owner.lock --> tasklist_lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(tasklist_lock); local_irq_disable(); lock(&dev->event_lock#2); lock(&f->f_owner.lock); lock(&dev->event_lock#2); *** DEADLOCK *** 2 locks held by syz-executor116/3498: #0: ffff888073ad8120 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #0: ffff888073ad8120 (sk_lock-AF_INET6){+.+.}-{0:0}, at: tcp_sendmsg+0x1e/0x40 net/ipv4/tcp.c:1455 #1: ffff8880761dfcb8 (&f->f_owner.lock){....}-{2:2}, at: send_sigurg+0x25/0x380 fs/fcntl.c:835 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&dev->event_lock#2){-...}-{2:2} { IN-HARDIRQ-W at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __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+0x8a/0xd0 drivers/input/input.c:456 input_report_key include/linux/input.h:425 [inline] psmouse_report_standard_buttons drivers/input/mouse/psmouse-base.c:123 [inline] psmouse_report_standard_packet+0x50/0x200 drivers/input/mouse/psmouse-base.c:141 psmouse_process_byte+0x45b/0x640 drivers/input/mouse/psmouse-base.c:232 psmouse_handle_byte+0x46/0x4b0 drivers/input/mouse/psmouse-base.c:274 psmouse_interrupt+0x697/0x10a0 drivers/input/mouse/psmouse-base.c:426 serio_interrupt+0x88/0x130 drivers/input/serio/serio.c:1001 i8042_interrupt+0x355/0x750 drivers/input/serio/i8042.c:606 __handle_irq_event_percpu+0x292/0xa70 kernel/irq/handle.c:156 handle_irq_event_percpu kernel/irq/handle.c:196 [inline] handle_irq_event+0xff/0x2b0 kernel/irq/handle.c:213 handle_edge_irq+0x245/0xbf0 kernel/irq/chip.c:822 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:629 preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6780 irqentry_exit+0x53/0x80 kernel/entry/common.c:432 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:629 arch_test_and_set_bit arch/x86/include/asm/bitops.h:138 [inline] test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:71 [inline] queue_work_on+0x1f4/0x250 kernel/workqueue.c:1558 queue_work include/linux/workqueue.h:512 [inline] call_usermodehelper_exec+0x269/0x450 kernel/umh.c:435 kobject_uevent_env+0x69e/0x8d0 lib/kobject_uevent.c:618 driver_register+0x35b/0x3a0 drivers/base/driver.c:248 usb_register_driver+0x206/0x3d0 drivers/usb/core/driver.c:1061 do_one_initcall+0x22b/0x7a0 init/main.c:1300 do_initcall_level+0x157/0x210 init/main.c:1373 do_initcalls+0x49/0x90 init/main.c:1389 kernel_init_freeable+0x425/0x5c0 init/main.c:1613 kernel_init+0x19/0x290 init/main.c:1504 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 INITIAL USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __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+0xc0/0x300 drivers/input/input.c:482 led_trigger_event+0x64/0xc0 drivers/leds/led-triggers.c:388 kbd_led_trigger_activate+0xb9/0x100 drivers/tty/vt/keyboard.c:1029 led_trigger_set+0x513/0x930 drivers/leds/led-triggers.c:195 led_trigger_set_default+0x1c2/0x200 drivers/leds/led-triggers.c:259 led_classdev_register_ext+0x6cf/0x8d0 drivers/leds/led-class.c:421 led_classdev_register include/linux/leds.h:196 [inline] input_leds_connect+0x503/0x740 drivers/input/input-leds.c:139 input_attach_handler drivers/input/input.c:1046 [inline] input_register_device+0xdae/0x1150 drivers/input/input.c:2354 atkbd_connect+0x7a7/0xa70 drivers/input/keyboard/atkbd.c:1336 serio_connect_driver drivers/input/serio/serio.c:47 [inline] serio_driver_probe+0x74/0x90 drivers/input/serio/serio.c:778 really_probe+0x24e/0xb60 drivers/base/dd.c:595 __driver_probe_device+0x1a2/0x3d0 drivers/base/dd.c:755 driver_probe_device+0x50/0x420 drivers/base/dd.c:785 __driver_attach+0x479/0x690 drivers/base/dd.c:1164 bus_for_each_dev+0x17c/0x1f0 drivers/base/bus.c:301 serio_attach_driver drivers/input/serio/serio.c:807 [inline] serio_handle_event+0x56a/0x8f0 drivers/input/serio/serio.c:227 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 } ... key at: [] input_allocate_device.__key.6+0x0/0x20 -> (&client->buffer_lock){....}-{2:2} { INITIAL USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] evdev_pass_values+0xe7/0xb60 drivers/input/evdev.c:261 evdev_events+0x198/0x2c0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:126 [inline] input_pass_values+0x873/0x1200 drivers/input/input.c:156 input_handle_event+0xc9b/0x1600 drivers/input/input.c:415 input_inject_event+0x1fc/0x300 drivers/input/input.c:487 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x30c/0xe50 fs/read_write.c:592 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 } ... key at: [] evdev_open.__key.23+0x0/0x20 ... acquired at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] evdev_pass_values+0xe7/0xb60 drivers/input/evdev.c:261 evdev_events+0x198/0x2c0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:126 [inline] input_pass_values+0x873/0x1200 drivers/input/input.c:156 input_handle_event+0xc9b/0x1600 drivers/input/input.c:415 input_inject_event+0x1fc/0x300 drivers/input/input.c:487 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x30c/0xe50 fs/read_write.c:592 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> (&new->fa_lock){....}-{2:2} { INITIAL READ USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline] _raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236 kill_fasync_rcu fs/fcntl.c:1014 [inline] kill_fasync+0x16a/0x490 fs/fcntl.c:1035 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values+0x5ad/0xb60 drivers/input/evdev.c:278 evdev_events+0x198/0x2c0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:126 [inline] input_pass_values+0x873/0x1200 drivers/input/input.c:156 input_handle_event+0xc9b/0x1600 drivers/input/input.c:415 input_inject_event+0x1fc/0x300 drivers/input/input.c:487 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x30c/0xe50 fs/read_write.c:592 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 } ... key at: [] fasync_insert_entry.__key+0x0/0x20 ... acquired at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline] _raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236 kill_fasync_rcu fs/fcntl.c:1014 [inline] kill_fasync+0x16a/0x490 fs/fcntl.c:1035 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values+0x5ad/0xb60 drivers/input/evdev.c:278 evdev_events+0x198/0x2c0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:126 [inline] input_pass_values+0x873/0x1200 drivers/input/input.c:156 input_handle_event+0xc9b/0x1600 drivers/input/input.c:415 input_inject_event+0x1fc/0x300 drivers/input/input.c:487 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x30c/0xe50 fs/read_write.c:592 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> (&f->f_owner.lock){....}-{2:2} { INITIAL USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline] _raw_write_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:316 f_modown+0x38/0x340 fs/fcntl.c:91 __f_setown fs/fcntl.c:110 [inline] f_setown+0x127/0x1d0 fs/fcntl.c:138 do_fcntl+0x1b7/0x1600 fs/fcntl.c:393 __do_sys_fcntl fs/fcntl.c:472 [inline] __se_sys_fcntl+0xd8/0x1b0 fs/fcntl.c:457 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 INITIAL READ USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline] _raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236 send_sigio+0x2f/0x330 fs/fcntl.c:796 kill_fasync_rcu fs/fcntl.c:1021 [inline] kill_fasync+0x20c/0x490 fs/fcntl.c:1035 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values+0x5ad/0xb60 drivers/input/evdev.c:278 evdev_events+0x198/0x2c0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:126 [inline] input_pass_values+0x873/0x1200 drivers/input/input.c:156 input_handle_event+0xc9b/0x1600 drivers/input/input.c:415 input_inject_event+0x1fc/0x300 drivers/input/input.c:487 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x30c/0xe50 fs/read_write.c:592 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 } ... key at: [] __alloc_file.__key+0x0/0x10 ... acquired at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline] _raw_read_lock_irqsave+0xd9/0x120 kernel/locking/spinlock.c:236 send_sigio+0x2f/0x330 fs/fcntl.c:796 kill_fasync_rcu fs/fcntl.c:1021 [inline] kill_fasync+0x20c/0x490 fs/fcntl.c:1035 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values+0x5ad/0xb60 drivers/input/evdev.c:278 evdev_events+0x198/0x2c0 drivers/input/evdev.c:306 input_to_handler drivers/input/input.c:126 [inline] input_pass_values+0x873/0x1200 drivers/input/input.c:156 input_handle_event+0xc9b/0x1600 drivers/input/input.c:415 input_inject_event+0x1fc/0x300 drivers/input/input.c:487 evdev_write+0x668/0x7c0 drivers/input/evdev.c:530 vfs_write+0x30c/0xe50 fs/read_write.c:592 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (tasklist_lock){.+.+}-{2:2} { HARDIRQ-ON-R at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 do_wait+0x2a7/0xaf0 kernel/exit.c:1576 kernel_wait+0xe5/0x230 kernel/exit.c:1766 call_usermodehelper_exec_sync kernel/umh.c:139 [inline] call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:166 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 SOFTIRQ-ON-R at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 do_wait+0x2a7/0xaf0 kernel/exit.c:1576 kernel_wait+0xe5/0x230 kernel/exit.c:1766 call_usermodehelper_exec_sync kernel/umh.c:139 [inline] call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:166 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 INITIAL USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline] _raw_write_lock_irq+0xcf/0x110 kernel/locking/spinlock.c:316 copy_process+0x22be/0x3ef0 kernel/fork.c:2337 kernel_clone+0x210/0x960 kernel/fork.c:2604 kernel_thread+0x168/0x1e0 kernel/fork.c:2656 rest_init+0x21/0x330 init/main.c:704 start_kernel+0x48c/0x540 init/main.c:1138 secondary_startup_64_no_verify+0xb1/0xbb INITIAL READ USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 do_wait+0x2a7/0xaf0 kernel/exit.c:1576 kernel_wait+0xe5/0x230 kernel/exit.c:1766 call_usermodehelper_exec_sync kernel/umh.c:139 [inline] call_usermodehelper_exec_work+0xb5/0x220 kernel/umh.c:166 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 } ... key at: [] tasklist_lock+0x18/0x40 ... acquired at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 send_sigurg+0xc8/0x380 fs/fcntl.c:851 sk_send_sigurg+0x6a/0xb0 net/core/sock.c:3128 tcp_check_urg net/ipv4/tcp_input.c:5609 [inline] tcp_urg+0x2b8/0xb40 net/ipv4/tcp_input.c:5650 tcp_rcv_established+0xe33/0x1e20 net/ipv4/tcp_input.c:5984 tcp_v6_do_rcv+0x4f2/0x10f0 net/ipv6/tcp_ipv6.c:1526 sk_backlog_rcv include/net/sock.h:1059 [inline] __release_sock+0x198/0x4b0 net/core/sock.c:2724 release_sock+0x5d/0x1c0 net/core/sock.c:3265 tcp_sendmsg+0x36/0x40 net/ipv4/tcp.c:1457 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x564/0x720 net/socket.c:2058 __do_sys_sendto net/socket.c:2070 [inline] __se_sys_sendto net/socket.c:2066 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2066 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 stack backtrace: CPU: 1 PID: 3498 Comm: syz-executor116 Not tainted 5.15.154-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 print_bad_irq_dependency kernel/locking/lockdep.c:2567 [inline] check_irq_usage kernel/locking/lockdep.c:2806 [inline] check_prev_add kernel/locking/lockdep.c:3057 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x4d01/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x32/0x40 kernel/locking/spinlock.c:228 send_sigurg+0xc8/0x380 fs/fcntl.c:851 sk_send_sigurg+0x6a/0xb0 net/core/sock.c:3128 tcp_check_urg net/ipv4/tcp_input.c:5609 [inline] tcp_urg+0x2b8/0xb40 net/ipv4/tcp_input.c:5650 tcp_rcv_established+0xe33/0x1e20 net/ipv4/tcp_input.c:5984 tcp_v6_do_rcv+0x4f2/0x10f0 net/ipv6/tcp_ipv6.c:1526 sk_backlog_rcv include/net/sock.h:1059 [inline] __release_sock+0x198/0x4b0 net/core/sock.c:2724 release_sock+0x5d/0x1c0 net/core/sock.c:3265 tcp_sendmsg+0x36/0x40 net/ipv4/tcp.c:1457 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x564/0x720 net/socket.c:2058 __do_sys_sendto net/socket.c:2070 [inline] __se_sys_sendto net/socket.c:2066 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2066 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f23fbb0f229 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 R