Bluetooth: hci5: command tx timeout ===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted ----------------------------------------------------- kworker/u9:3/5082 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: ffff888021bdaa00 (&stab->lock){+...}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] ffff888021bdaa00 (&stab->lock){+...}-{2:2}, at: __sock_map_delete net/core/sock_map.c:414 [inline] ffff888021bdaa00 (&stab->lock){+...}-{2:2}, at: sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 and this task is already holding: ffff8880241c6420 (&nna->lock){..-.}-{2:2}, at: node_activate_pending_pwq kernel/workqueue.c:1882 [inline] ffff8880241c6420 (&nna->lock){..-.}-{2:2}, at: pwq_dec_nr_active kernel/workqueue.c:1993 [inline] ffff8880241c6420 (&nna->lock){..-.}-{2:2}, at: pwq_dec_nr_in_flight+0x375/0xed0 kernel/workqueue.c:2017 which would create a new lock dependency: (&nna->lock){..-.}-{2:2} -> (&stab->lock){+...}-{2:2} but this new dependency connects a HARDIRQ-irq-safe lock: (&pool->lock){-.-.}-{2:2} ... which became HARDIRQ-irq-safe at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x39e/0x1170 kernel/workqueue.c:2360 queue_work_on+0xf4/0x120 kernel/workqueue.c:2435 tick_nohz_activate kernel/time/tick-sched.c:1491 [inline] tick_setup_sched_timer+0x47c/0x790 kernel/time/tick-sched.c:1592 hrtimer_switch_to_hres kernel/time/hrtimer.c:750 [inline] hrtimer_run_queues+0x33c/0x450 kernel/time/hrtimer.c:1918 run_local_timers kernel/time/timer.c:2453 [inline] update_process_times+0xcf/0x220 kernel/time/timer.c:2475 tick_periodic+0x7e/0x230 kernel/time/tick-common.c:100 tick_handle_periodic+0x45/0x120 kernel/time/tick-common.c:112 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x10f/0x410 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 check_kcov_mode kernel/kcov.c:175 [inline] __sanitizer_cov_trace_pc+0x33/0x60 kernel/kcov.c:207 update_event_printk kernel/trace/trace_events.c:2749 [inline] trace_event_eval_update+0x3df/0xfe0 kernel/trace/trace_events.c:2922 trace_insert_eval_map kernel/trace/trace.c:6294 [inline] eval_map_work_func+0x3d/0x50 kernel/trace/trace.c:10069 process_one_work+0x9a9/0x1a60 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 to a HARDIRQ-irq-unsafe lock: (&stab->lock){+...}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] sock_map_update_common+0x197/0x870 net/core/sock_map.c:490 sock_map_update_elem_sys+0x3bb/0x570 net/core/sock_map.c:579 bpf_map_update_value+0x36c/0x6c0 kernel/bpf/syscall.c:172 map_update_elem+0x623/0x910 kernel/bpf/syscall.c:1641 __sys_bpf+0xab9/0x4b40 kernel/bpf/syscall.c:5619 __do_sys_bpf kernel/bpf/syscall.c:5738 [inline] __se_sys_bpf kernel/bpf/syscall.c:5736 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 other info that might help us debug this: Chain exists of: &pool->lock --> &nna->lock --> &stab->lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&stab->lock); local_irq_disable(); lock(&pool->lock); lock(&nna->lock); lock(&pool->lock); *** DEADLOCK *** 3 locks held by kworker/u9:3/5082: #0: ffff88801572b018 (&pool->lock){-.-.}-{2:2}, at: process_one_work+0xbb3/0x1a60 kernel/workqueue.c:3289 #1: ffff8880241c6420 (&nna->lock){..-.}-{2:2} , at: node_activate_pending_pwq kernel/workqueue.c:1882 [inline] , at: pwq_dec_nr_active kernel/workqueue.c:1993 [inline] , at: pwq_dec_nr_in_flight+0x375/0xed0 kernel/workqueue.c:2017 #2: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline] #2: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline] #2: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2380 [inline] #2: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run1+0xdc/0x410 kernel/trace/bpf_trace.c:2419 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&pool->lock){-.-.}-{2:2} { IN-HARDIRQ-W at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x39e/0x1170 kernel/workqueue.c:2360 queue_work_on+0xf4/0x120 kernel/workqueue.c:2435 tick_nohz_activate kernel/time/tick-sched.c:1491 [inline] tick_setup_sched_timer+0x47c/0x790 kernel/time/tick-sched.c:1592 hrtimer_switch_to_hres kernel/time/hrtimer.c:750 [inline] hrtimer_run_queues+0x33c/0x450 kernel/time/hrtimer.c:1918 run_local_timers kernel/time/timer.c:2453 [inline] update_process_times+0xcf/0x220 kernel/time/timer.c:2475 tick_periodic+0x7e/0x230 kernel/time/tick-common.c:100 tick_handle_periodic+0x45/0x120 kernel/time/tick-common.c:112 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x10f/0x410 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 check_kcov_mode kernel/kcov.c:175 [inline] __sanitizer_cov_trace_pc+0x33/0x60 kernel/kcov.c:207 update_event_printk kernel/trace/trace_events.c:2749 [inline] trace_event_eval_update+0x3df/0xfe0 kernel/trace/trace_events.c:2922 trace_insert_eval_map kernel/trace/trace.c:6294 [inline] eval_map_work_func+0x3d/0x50 kernel/trace/trace.c:10069 process_one_work+0x9a9/0x1a60 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 IN-SOFTIRQ-W at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x39e/0x1170 kernel/workqueue.c:2360 call_timer_fn+0x1a0/0x5b0 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1838 [inline] __run_timers+0x567/0xab0 kernel/time/timer.c:2408 __run_timer_base kernel/time/timer.c:2419 [inline] __run_timer_base kernel/time/timer.c:2412 [inline] run_timer_base+0x111/0x190 kernel/time/timer.c:2428 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2438 __do_softirq+0x218/0x8de kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0xb9/0x120 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] default_idle+0xf/0x20 arch/x86/kernel/process.c:742 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:191 [inline] do_idle+0x32c/0x3f0 kernel/sched/idle.c:332 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430 rest_init+0x16f/0x2b0 init/main.c:730 arch_call_rest_init+0x13/0x40 init/main.c:831 start_kernel+0x3a3/0x490 init/main.c:1077 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:509 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:490 common_startup_64+0x13e/0x148 INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x39e/0x1170 kernel/workqueue.c:2360 queue_work_on+0xf4/0x120 kernel/workqueue.c:2435 queue_work include/linux/workqueue.h:605 [inline] start_poll_synchronize_rcu_expedited+0x147/0x180 kernel/rcu/tree_exp.h:1017 rcu_init+0x1625/0x20c0 kernel/rcu/tree.c:5240 start_kernel+0x19e/0x490 init/main.c:969 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:509 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:490 common_startup_64+0x13e/0x148 } ... key at: [] __key.17+0x0/0x40 -> (&nna->lock){..-.}-{2:2} { IN-SOFTIRQ-W at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 pwq_tryinc_nr_active+0x3ef/0x850 kernel/workqueue.c:1774 __queue_work+0x8a7/0x1170 kernel/workqueue.c:2395 call_timer_fn+0x1a0/0x5b0 kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1838 [inline] __run_timers+0x567/0xab0 kernel/time/timer.c:2408 __run_timer_base kernel/time/timer.c:2419 [inline] __run_timer_base kernel/time/timer.c:2412 [inline] run_timer_base+0x111/0x190 kernel/time/timer.c:2428 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2438 __do_softirq+0x218/0x8de kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0xb9/0x120 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 lock_acquire+0x1f2/0x540 kernel/locking/lockdep.c:5722 rcu_lock_acquire include/linux/rcupdate.h:298 [inline] rcu_read_lock include/linux/rcupdate.h:750 [inline] mntput_no_expire+0xa1/0xaf0 fs/namespace.c:1293 mntput+0x6b/0x90 fs/namespace.c:1363 free_fs_struct fs/fs_struct.c:91 [inline] exit_fs+0xfd/0x170 fs/fs_struct.c:108 do_exit+0xa51/0x2be0 kernel/exit.c:874 call_usermodehelper_exec_async+0x379/0x4c0 kernel/umh.c:123 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 pwq_tryinc_nr_active+0x3ef/0x850 kernel/workqueue.c:1774 __queue_work+0x8a7/0x1170 kernel/workqueue.c:2395 queue_work_on+0xf4/0x120 kernel/workqueue.c:2435 queue_work include/linux/workqueue.h:605 [inline] call_usermodehelper_exec+0x1d2/0x4d0 kernel/umh.c:434 kobject_uevent_env+0x1718/0x1830 lib/kobject_uevent.c:618 driver_register+0x2d3/0x4b0 drivers/base/driver.c:254 pcie_port_service_register+0x11d/0x180 drivers/pci/pcie/portdrv.c:589 pcie_hp_init+0x16/0x90 drivers/pci/hotplug/pciehp_core.c:363 pcie_init_services drivers/pci/pcie/portdrv.c:831 [inline] pcie_portdrv_init+0x32/0x70 drivers/pci/pcie/portdrv.c:839 do_one_initcall+0x128/0x690 init/main.c:1241 do_initcall_level init/main.c:1303 [inline] do_initcalls init/main.c:1319 [inline] do_basic_setup init/main.c:1338 [inline] kernel_init_freeable+0x69d/0xc40 init/main.c:1550 kernel_init+0x1c/0x2a0 init/main.c:1439 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 } ... key at: [] __key.2+0x0/0x40 ... acquired at: __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 pwq_tryinc_nr_active+0x3ef/0x850 kernel/workqueue.c:1774 __queue_work+0x8a7/0x1170 kernel/workqueue.c:2395 queue_work_on+0xf4/0x120 kernel/workqueue.c:2435 queue_work include/linux/workqueue.h:605 [inline] call_usermodehelper_exec+0x1d2/0x4d0 kernel/umh.c:434 kobject_uevent_env+0x1718/0x1830 lib/kobject_uevent.c:618 driver_register+0x2d3/0x4b0 drivers/base/driver.c:254 pcie_port_service_register+0x11d/0x180 drivers/pci/pcie/portdrv.c:589 pcie_hp_init+0x16/0x90 drivers/pci/hotplug/pciehp_core.c:363 pcie_init_services drivers/pci/pcie/portdrv.c:831 [inline] pcie_portdrv_init+0x32/0x70 drivers/pci/pcie/portdrv.c:839 do_one_initcall+0x128/0x690 init/main.c:1241 do_initcall_level init/main.c:1303 [inline] do_initcalls init/main.c:1319 [inline] do_basic_setup init/main.c:1338 [inline] kernel_init_freeable+0x69d/0xc40 init/main.c:1550 kernel_init+0x1c/0x2a0 init/main.c:1439 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (&stab->lock){+...}-{2:2} { HARDIRQ-ON-W at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] sock_map_update_common+0x197/0x870 net/core/sock_map.c:490 sock_map_update_elem_sys+0x3bb/0x570 net/core/sock_map.c:579 bpf_map_update_value+0x36c/0x6c0 kernel/bpf/syscall.c:172 map_update_elem+0x623/0x910 kernel/bpf/syscall.c:1641 __sys_bpf+0xab9/0x4b40 kernel/bpf/syscall.c:5619 __do_sys_bpf kernel/bpf/syscall.c:5738 [inline] __se_sys_bpf kernel/bpf/syscall.c:5736 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] sock_map_update_common+0x197/0x870 net/core/sock_map.c:490 sock_map_update_elem_sys+0x3bb/0x570 net/core/sock_map.c:579 bpf_map_update_value+0x36c/0x6c0 kernel/bpf/syscall.c:172 map_update_elem+0x623/0x910 kernel/bpf/syscall.c:1641 __sys_bpf+0xab9/0x4b40 kernel/bpf/syscall.c:5619 __do_sys_bpf kernel/bpf/syscall.c:5738 [inline] __se_sys_bpf kernel/bpf/syscall.c:5736 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6d/0x75 } ... key at: [] __key.1+0x0/0x40 ... acquired at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 ___bpf_prog_run+0x3e51/0xae80 kernel/bpf/core.c:1997 __bpf_prog_run32+0xc1/0x100 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run1+0x149/0x410 kernel/trace/bpf_trace.c:2419 __bpf_trace_workqueue_activate_work+0x98/0xd0 include/trace/events/workqueue.h:59 __traceiter_workqueue_activate_work+0x5c/0xa0 include/trace/events/workqueue.h:59 trace_workqueue_activate_work include/trace/events/workqueue.h:59 [inline] __pwq_activate_work+0x1e5/0x320 kernel/workqueue.c:1675 node_activate_pending_pwq kernel/workqueue.c:1926 [inline] pwq_dec_nr_active kernel/workqueue.c:1993 [inline] pwq_dec_nr_in_flight+0x762/0xed0 kernel/workqueue.c:2017 process_one_work+0xe2a/0x1a60 kernel/workqueue.c:3309 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 stack backtrace: CPU: 0 PID: 5082 Comm: kworker/u9:3 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: 0x0 (hci5) Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114 print_bad_irq_dependency kernel/locking/lockdep.c:2626 [inline] check_irq_usage+0xe3c/0x1490 kernel/locking/lockdep.c:2865 check_prev_add kernel/locking/lockdep.c:3138 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain kernel/locking/lockdep.c:3869 [inline] __lock_acquire+0x248e/0x3b30 kernel/locking/lockdep.c:5137 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x540 kernel/locking/lockdep.c:5719 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x33/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:356 [inline] __sock_map_delete net/core/sock_map.c:414 [inline] sock_map_delete_elem+0xc8/0x150 net/core/sock_map.c:446 ___bpf_prog_run+0x3e51/0xae80 kernel/bpf/core.c:1997 __bpf_prog_run32+0xc1/0x100 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run1+0x149/0x410 kernel/trace/bpf_trace.c:2419 __bpf_trace_workqueue_activate_work+0x98/0xd0 include/trace/events/workqueue.h:59 __traceiter_workqueue_activate_work+0x5c/0xa0 include/trace/events/workqueue.h:59 trace_workqueue_activate_work include/trace/events/workqueue.h:59 [inline] __pwq_activate_work+0x1e5/0x320 kernel/workqueue.c:1675 node_activate_pending_pwq kernel/workqueue.c:1926 [inline] pwq_dec_nr_active kernel/workqueue.c:1993 [inline] pwq_dec_nr_in_flight+0x762/0xed0 kernel/workqueue.c:2017 process_one_work+0xe2a/0x1a60 kernel/workqueue.c:3309 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243