------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 5.15.106-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.1/13627 is trying to acquire lock: ffff80001497f498 ((console_sem).lock){-.-.}-{2:2}, at: down_trylock+0x28/0xd8 kernel/locking/semaphore.c:138 but task is already holding lock: ffff80001508f098 (depot_lock){-.-.}-{2:2}, at: stack_depot_save+0x204/0x4a0 lib/stackdepot.c:307 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (depot_lock){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162 stack_depot_save+0x204/0x4a0 lib/stackdepot.c:307 kasan_save_stack+0x54/0x68 mm/kasan/common.c:40 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348 irq_work_queue_on+0xcc/0x224 kernel/irq_work.c:101 tell_cpu_to_push+0x1d8/0x408 kernel/sched/rt.c:2149 pull_rt_task kernel/sched/rt.c:2215 [inline] balance_rt+0x268/0x354 kernel/sched/rt.c:1560 put_prev_task_balance kernel/sched/core.c:5620 [inline] __pick_next_task kernel/sched/core.c:5660 [inline] pick_next_task kernel/sched/core.c:6188 [inline] __schedule+0x714/0x1e38 kernel/sched/core.c:6336 do_task_dead+0xcc/0xd0 kernel/sched/core.c:6390 do_exit+0x14c8/0x2134 kernel/exit.c:923 do_group_exit+0x110/0x268 kernel/exit.c:994 get_signal+0x634/0x1550 kernel/signal.c:2889 do_signal arch/arm64/kernel/signal.c:890 [inline] do_notify_resume+0x3d0/0x32b8 arch/arm64/kernel/signal.c:943 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:597 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 -> #2 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0xb4/0x110 kernel/locking/spinlock.c:368 raw_spin_rq_lock_nested+0x2c/0x44 kernel/sched/core.c:475 raw_spin_rq_lock kernel/sched/sched.h:1325 [inline] rq_lock kernel/sched/sched.h:1620 [inline] task_fork_fair+0x7c/0x23c kernel/sched/fair.c:11372 sched_cgroup_fork+0x334/0x3d8 kernel/sched/core.c:4462 copy_process+0x24d4/0x3750 kernel/fork.c:2312 kernel_clone+0x1d8/0xa58 kernel/fork.c:2601 kernel_thread+0x148/0x1bc kernel/fork.c:2653 rest_init+0x2c/0x38c init/main.c:701 arch_call_rest_init+0x14/0x20 init/main.c:889 start_kernel+0x440/0x600 init/main.c:1144 __primary_switched+0xa8/0xb0 arch/arm64/kernel/head.S:468 -> #1 (&p->pi_lock){-.-.}-{2:2}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162 try_to_wake_up+0xb0/0xc2c kernel/sched/core.c:4026 wake_up_process+0x18/0x24 kernel/sched/core.c:4211 __up+0x11c/0x148 kernel/locking/semaphore.c:265 up+0x90/0xb0 kernel/locking/semaphore.c:190 __up_console_sem+0x8c/0x100 kernel/printk/printk.c:256 console_unlock+0x1160/0x1394 kernel/printk/printk.c:2750 vprintk_emit+0x13c/0x218 kernel/printk/printk.c:2268 vprintk_default+0xa0/0xe4 kernel/printk/printk.c:2279 vprintk+0x218/0x2f0 kernel/printk/printk_safe.c:50 _printk+0xdc/0x128 kernel/printk/printk.c:2289 ip6_tnl_xmit_ctl+0x4d8/0x578 ip6_tnl_xmit+0x6c0/0x22a4 net/ipv6/ip6_tunnel.c:1137 ipxip6_tnl_xmit net/ipv6/ip6_tunnel.c:1381 [inline] ip6_tnl_start_xmit+0xd5c/0x13d4 net/ipv6/ip6_tunnel.c:1430 __netdev_start_xmit include/linux/netdevice.h:5019 [inline] netdev_start_xmit include/linux/netdevice.h:5033 [inline] xmit_one net/core/dev.c:3592 [inline] dev_hard_start_xmit+0x2bc/0x92c net/core/dev.c:3608 __dev_queue_xmit+0x13a8/0x2a6c net/core/dev.c:4223 dev_queue_xmit+0x24/0x34 net/core/dev.c:4256 neigh_connected_output+0x334/0x378 net/core/neighbour.c:1553 neigh_output include/net/neighbour.h:516 [inline] ip6_finish_output2+0x1344/0x1c48 net/ipv6/ip6_output.c:126 __ip6_finish_output+0x518/0x67c net/ipv6/ip6_output.c:191 ip6_finish_output+0x40/0x218 net/ipv6/ip6_output.c:201 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x270/0x594 net/ipv6/ip6_output.c:224 dst_output include/net/dst.h:449 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] ndisc_send_skb+0xbf8/0x1788 net/ipv6/ndisc.c:508 ndisc_send_rs+0x494/0x5fc net/ipv6/ndisc.c:702 addrconf_rs_timer+0x308/0x5a8 net/ipv6/addrconf.c:3932 call_timer_fn+0x19c/0x8f0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers+0x554/0x718 kernel/time/timer.c:1737 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1750 __do_softirq+0x344/0xe20 kernel/softirq.c:558 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 irq_exit+0x14/0x88 kernel/softirq.c:660 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 preempt_count arch/arm64/include/asm/preempt.h:12 [inline] check_kcov_mode kernel/kcov.c:163 [inline] __sanitizer_cov_trace_pc+0x2c/0xa4 kernel/kcov.c:197 scm_set_cred include/net/scm.h:60 [inline] __unix_dgram_recvmsg+0x798/0xe64 net/unix/af_unix.c:2365 unix_dgram_recvmsg+0xd4/0xec net/unix/af_unix.c:2415 ____sys_recvmsg+0x234/0x720 ___sys_recvmsg+0x240/0x2cc net/socket.c:2673 do_recvmmsg+0x310/0x9a4 net/socket.c:2767 __sys_recvmmsg net/socket.c:2846 [inline] __do_sys_recvmmsg net/socket.c:2869 [inline] __se_sys_recvmmsg net/socket.c:2862 [inline] __arm64_sys_recvmmsg+0x180/0x23c net/socket.c:2862 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 -> #0 ((console_sem).lock){-.-.}-{2:2}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3787 [inline] __lock_acquire+0x32cc/0x7620 kernel/locking/lockdep.c:5011 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5622 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162 down_trylock+0x28/0xd8 kernel/locking/semaphore.c:138 __down_trylock_console_sem+0x80/0x144 kernel/printk/printk.c:239 console_trylock+0xb8/0x1f8 kernel/printk/printk.c:2565 console_trylock_spinning+0x1c/0x280 kernel/printk/printk.c:1867 vprintk_emit+0x120/0x218 kernel/printk/printk.c:2267 vprintk_default+0xa0/0xe4 kernel/printk/printk.c:2279 vprintk+0x218/0x2f0 kernel/printk/printk_safe.c:50 _printk+0xdc/0x128 kernel/printk/printk.c:2289 __warn_printk+0xb4/0x134 kernel/panic.c:710 depot_alloc_stack lib/stackdepot.c:114 [inline] stack_depot_save+0x490/0x4a0 lib/stackdepot.c:312 kasan_save_stack+0x54/0x68 mm/kasan/common.c:40 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348 irq_work_queue_on+0xcc/0x224 kernel/irq_work.c:101 rto_push_irq_work_func+0x13c/0x340 kernel/sched/rt.c:2187 irq_work_single+0xbc/0x1e4 kernel/irq_work.c:155 flush_smp_call_function_queue+0x510/0x8c4 kernel/smp.c:666 generic_smp_call_function_single_interrupt+0x18/0x24 kernel/smp.c:544 do_handle_IPI arch/arm64/kernel/smp.c:902 [inline] ipi_handler+0x15c/0x7d4 arch/arm64/kernel/smp.c:948 handle_percpu_devid_irq+0x29c/0x7fc kernel/irq/chip.c:933 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq_desc kernel/irq/irqdesc.c:651 [inline] handle_domain_irq+0xec/0x178 kernel/irq/irqdesc.c:706 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] raw_spin_rq_unlock_irq kernel/sched/sched.h:1337 [inline] finish_lock_switch+0xc4/0x1e8 kernel/sched/core.c:4780 finish_task_switch+0x120/0x6b4 kernel/sched/core.c:4898 context_switch kernel/sched/core.c:5029 [inline] __schedule+0xf14/0x1e38 kernel/sched/core.c:6372 preempt_schedule_irq+0x90/0x274 kernel/sched/core.c:6776 arm64_preempt_schedule_irq+0x174/0x2c4 arch/arm64/kernel/entry-common.c:260 el1_interrupt+0x40/0x58 arch/arm64/kernel/entry-common.c:451 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 check_kcov_mode kernel/kcov.c:163 [inline] write_comp_data kernel/kcov.c:218 [inline] __sanitizer_cov_trace_const_cmp4+0x6c/0xc0 kernel/kcov.c:284 skb_copy_datagram_iter+0x108/0x2fc net/core/datagram.c:533 skb_copy_datagram_msg include/linux/skbuff.h:3731 [inline] tcp_recvmsg_locked+0xc30/0x1f54 net/ipv4/tcp.c:2478 tcp_recvmsg+0x1fc/0x67c net/ipv4/tcp.c:2556 inet_recvmsg+0x128/0x214 net/ipv4/af_inet.c:854 ____sys_recvmsg+0x234/0x720 ___sys_recvmsg+0x240/0x2cc net/socket.c:2673 __sys_recvmsg net/socket.c:2703 [inline] __do_sys_recvmsg net/socket.c:2713 [inline] __se_sys_recvmsg net/socket.c:2710 [inline] __arm64_sys_recvmsg+0x1a8/0x258 net/socket.c:2710 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 other info that might help us debug this: Chain exists of: (console_sem).lock --> &rq->__lock --> depot_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(depot_lock); lock(&rq->__lock); lock(depot_lock); lock((console_sem).lock); *** DEADLOCK *** 2 locks held by syz-executor.1/13627: #0: ffff0000db8de120 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1649 [inline] #0: ffff0000db8de120 (sk_lock-AF_INET){+.+.}-{0:0}, at: sk_wait_data+0x28c/0x3f4 net/core/sock.c:2732 #1: ffff80001508f098 (depot_lock){-.-.}-{2:2}, at: stack_depot_save+0x204/0x4a0 lib/stackdepot.c:307 stack backtrace: CPU: 1 PID: 13627 Comm: syz-executor.1 Not tainted 5.15.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 print_circular_bug+0x150/0x1b8 kernel/locking/lockdep.c:2011 check_noncircular+0x2cc/0x378 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3787 [inline] __lock_acquire+0x32cc/0x7620 kernel/locking/lockdep.c:5011 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5622 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162 down_trylock+0x28/0xd8 kernel/locking/semaphore.c:138 __down_trylock_console_sem+0x80/0x144 kernel/printk/printk.c:239 console_trylock+0xb8/0x1f8 kernel/printk/printk.c:2565 console_trylock_spinning+0x1c/0x280 kernel/printk/printk.c:1867 vprintk_emit+0x120/0x218 kernel/printk/printk.c:2267 vprintk_default+0xa0/0xe4 kernel/printk/printk.c:2279 vprintk+0x218/0x2f0 kernel/printk/printk_safe.c:50 _printk+0xdc/0x128 kernel/printk/printk.c:2289 __warn_printk+0xb4/0x134 kernel/panic.c:710 depot_alloc_stack lib/stackdepot.c:114 [inline] stack_depot_save+0x490/0x4a0 lib/stackdepot.c:312 kasan_save_stack+0x54/0x68 mm/kasan/common.c:40 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348 irq_work_queue_on+0xcc/0x224 kernel/irq_work.c:101 rto_push_irq_work_func+0x13c/0x340 kernel/sched/rt.c:2187 irq_work_single+0xbc/0x1e4 kernel/irq_work.c:155 flush_smp_call_function_queue+0x510/0x8c4 kernel/smp.c:666 generic_smp_call_function_single_interrupt+0x18/0x24 kernel/smp.c:544 do_handle_IPI arch/arm64/kernel/smp.c:902 [inline] ipi_handler+0x15c/0x7d4 arch/arm64/kernel/smp.c:948 handle_percpu_devid_irq+0x29c/0x7fc kernel/irq/chip.c:933 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq_desc kernel/irq/irqdesc.c:651 [inline] handle_domain_irq+0xec/0x178 kernel/irq/irqdesc.c:706 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] raw_spin_rq_unlock_irq kernel/sched/sched.h:1337 [inline] finish_lock_switch+0xc4/0x1e8 kernel/sched/core.c:4780 finish_task_switch+0x120/0x6b4 kernel/sched/core.c:4898 context_switch kernel/sched/core.c:5029 [inline] __schedule+0xf14/0x1e38 kernel/sched/core.c:6372 preempt_schedule_irq+0x90/0x274 kernel/sched/core.c:6776 arm64_preempt_schedule_irq+0x174/0x2c4 arch/arm64/kernel/entry-common.c:260 el1_interrupt+0x40/0x58 arch/arm64/kernel/entry-common.c:451 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 check_kcov_mode kernel/kcov.c:163 [inline] write_comp_data kernel/kcov.c:218 [inline] __sanitizer_cov_trace_const_cmp4+0x6c/0xc0 kernel/kcov.c:284 skb_copy_datagram_iter+0x108/0x2fc net/core/datagram.c:533 skb_copy_datagram_msg include/linux/skbuff.h:3731 [inline] tcp_recvmsg_locked+0xc30/0x1f54 net/ipv4/tcp.c:2478 tcp_recvmsg+0x1fc/0x67c net/ipv4/tcp.c:2556 inet_recvmsg+0x128/0x214 net/ipv4/af_inet.c:854 ____sys_recvmsg+0x234/0x720 ___sys_recvmsg+0x240/0x2cc net/socket.c:2673 __sys_recvmsg net/socket.c:2703 [inline] __do_sys_recvmsg net/socket.c:2713 [inline] __se_sys_recvmsg net/socket.c:2710 [inline] __arm64_sys_recvmsg+0x1a8/0x258 net/socket.c:2710 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Stack depot reached limit capacity WARNING: CPU: 1 PID: 13627 at lib/stackdepot.c:114 stack_depot_save+0x494/0x4a0 lib/stackdepot.c:312 Modules linked in: CPU: 1 PID: 13627 Comm: syz-executor.1 Not tainted 5.15.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : stack_depot_save+0x494/0x4a0 lib/stackdepot.c:312 lr : depot_alloc_stack lib/stackdepot.c:114 [inline] lr : stack_depot_save+0x490/0x4a0 lib/stackdepot.c:312 sp : ffff800008017a90 x29: ffff800008017aa0 x28: 0000000000000150 x27: 00000000000000c0 x26: 0000000000000000 x25: 0000000000067cc1 x24: ffff0001b3000000 x23: 0000000044d67cc1 x22: 0000000000000130 x21: 0000000000000000 x20: 0000000000000026 x19: ffff800008017b00 x18: 0000000000010003 x17: ff80800008333ebc x16: ffff800011940934 x15: ffff800008333ebc x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 x11: ff8080000832b964 x10: 0000000000010002 x9 : 7332b4b0509b7e00 x8 : 7332b4b0509b7e00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000080171f8 x4 : ffff8000149af940 x3 : ffff80000854a334 x2 : 0000000000000001 x1 : 0000000100010002 x0 : 0000000000000022 Call trace: stack_depot_save+0x494/0x4a0 lib/stackdepot.c:312 kasan_save_stack+0x54/0x68 mm/kasan/common.c:40 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348 irq_work_queue_on+0xcc/0x224 kernel/irq_work.c:101 rto_push_irq_work_func+0x13c/0x340 kernel/sched/rt.c:2187 irq_work_single+0xbc/0x1e4 kernel/irq_work.c:155 flush_smp_call_function_queue+0x510/0x8c4 kernel/smp.c:666 generic_smp_call_function_single_interrupt+0x18/0x24 kernel/smp.c:544 do_handle_IPI arch/arm64/kernel/smp.c:902 [inline] ipi_handler+0x15c/0x7d4 arch/arm64/kernel/smp.c:948 handle_percpu_devid_irq+0x29c/0x7fc kernel/irq/chip.c:933 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq_desc kernel/irq/irqdesc.c:651 [inline] handle_domain_irq+0xec/0x178 kernel/irq/irqdesc.c:706 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:757 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] raw_spin_rq_unlock_irq kernel/sched/sched.h:1337 [inline] finish_lock_switch+0xc4/0x1e8 kernel/sched/core.c:4780 finish_task_switch+0x120/0x6b4 kernel/sched/core.c:4898 context_switch kernel/sched/core.c:5029 [inline] __schedule+0xf14/0x1e38 kernel/sched/core.c:6372 preempt_schedule_irq+0x90/0x274 kernel/sched/core.c:6776 arm64_preempt_schedule_irq+0x174/0x2c4 arch/arm64/kernel/entry-common.c:260 el1_interrupt+0x40/0x58 arch/arm64/kernel/entry-common.c:451 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580 check_kcov_mode kernel/kcov.c:163 [inline] write_comp_data kernel/kcov.c:218 [inline] __sanitizer_cov_trace_const_cmp4+0x6c/0xc0 kernel/kcov.c:284 skb_copy_datagram_iter+0x108/0x2fc net/core/datagram.c:533 skb_copy_datagram_msg include/linux/skbuff.h:3731 [inline] tcp_recvmsg_locked+0xc30/0x1f54 net/ipv4/tcp.c:2478 tcp_recvmsg+0x1fc/0x67c net/ipv4/tcp.c:2556 inet_recvmsg+0x128/0x214 net/ipv4/af_inet.c:854 ____sys_recvmsg+0x234/0x720 ___sys_recvmsg+0x240/0x2cc net/socket.c:2673 __sys_recvmsg net/socket.c:2703 [inline] __do_sys_recvmsg net/socket.c:2713 [inline] __se_sys_recvmsg net/socket.c:2710 [inline] __arm64_sys_recvmsg+0x1a8/0x258 net/socket.c:2710 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 686 hardirqs last enabled at (685): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1337 [inline] hardirqs last enabled at (685): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4780 hardirqs last disabled at (686): [] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (598): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (598): [] lock_sock_nested+0x160/0x1ec net/core/sock.c:3223 softirqs last disabled at (596): [] spin_lock_bh include/linux/spinlock.h:368 [inline] softirqs last disabled at (596): [] lock_sock_nested+0x108/0x1ec net/core/sock.c:3219 ---[ end trace 9dfe12bfadbd13f0 ]---