------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 5.15.107-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/8980 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: ffff80001508f218 (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 schedule+0x11c/0x1c8 kernel/sched/core.c:6455 schedule_timeout+0xb8/0x344 kernel/time/timer.c:1860 unix_wait_for_peer+0x1d8/0x2a8 net/unix/af_unix.c:1315 unix_dgram_sendmsg+0xd88/0x1654 net/unix/af_unix.c:1913 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x584/0x870 net/socket.c:2412 ___sys_sendmsg+0x214/0x294 net/socket.c:2466 __sys_sendmmsg+0x23c/0x648 net/socket.c:2552 __do_sys_sendmmsg net/socket.c:2581 [inline] __se_sys_sendmmsg net/socket.c:2578 [inline] __arm64_sys_sendmmsg+0xa0/0xbc net/socket.c:2578 __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 -> #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 do_fb_ioctl+0xc2c/0xf40 drivers/video/fbdev/core/fbmem.c:1130 fb_ioctl+0xec/0x134 drivers/video/fbdev/core/fbmem.c:1203 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl fs/ioctl.c:860 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:860 __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 unwind_frame+0x344/0x550 arch/arm64/kernel/stacktrace.c:114 walk_stackframe arch/arm64/kernel/stacktrace.c:148 [inline] arch_stack_walk+0x270/0x32c arch/arm64/kernel/stacktrace.c:238 stack_trace_save+0xfc/0x1a0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x8c/0xcc mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x74/0x3f4 mm/slab.h:519 slab_alloc_node mm/slub.c:3220 [inline] kmem_cache_alloc_node+0x208/0x49c mm/slub.c:3256 __alloc_skb+0x174/0x584 net/core/skbuff.c:415 alloc_skb include/linux/skbuff.h:1166 [inline] nlmsg_new include/net/netlink.h:953 [inline] rtmsg_ifinfo_build_skb+0x90/0x1b4 net/core/rtnetlink.c:3824 rtmsg_ifinfo_event net/core/rtnetlink.c:3860 [inline] rtmsg_ifinfo+0x8c/0x128 net/core/rtnetlink.c:3869 __dev_notify_flags+0xdc/0x534 net/core/dev.c:8817 dev_change_flags+0xc8/0x154 net/core/dev.c:8859 do_setlink+0xaa4/0x316c net/core/rtnetlink.c:2721 __rtnl_newlink net/core/rtnetlink.c:3395 [inline] rtnl_newlink+0x1238/0x1ab8 net/core/rtnetlink.c:3510 rtnetlink_rcv_msg+0xa74/0xdac net/core/rtnetlink.c:5587 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2533 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5605 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1952 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x584/0x870 net/socket.c:2412 ___sys_sendmsg+0x214/0x294 net/socket.c:2466 __sys_sendmsg net/socket.c:2495 [inline] __do_sys_sendmsg net/socket.c:2504 [inline] __se_sys_sendmsg net/socket.c:2502 [inline] __arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2502 __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.5/8980: #0: ffff8000169b4b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffff8000169b4b08 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0xa2c/0xdac net/core/rtnetlink.c:5584 #1: ffff80001508f218 (depot_lock){-.-.}-{2:2}, at: stack_depot_save+0x204/0x4a0 lib/stackdepot.c:307 stack backtrace: CPU: 1 PID: 8980 Comm: syz-executor.5 Not tainted 5.15.107-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 unwind_frame+0x344/0x550 arch/arm64/kernel/stacktrace.c:114 walk_stackframe arch/arm64/kernel/stacktrace.c:148 [inline] arch_stack_walk+0x270/0x32c arch/arm64/kernel/stacktrace.c:238 stack_trace_save+0xfc/0x1a0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x8c/0xcc mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x74/0x3f4 mm/slab.h:519 slab_alloc_node mm/slub.c:3220 [inline] kmem_cache_alloc_node+0x208/0x49c mm/slub.c:3256 __alloc_skb+0x174/0x584 net/core/skbuff.c:415 alloc_skb include/linux/skbuff.h:1166 [inline] nlmsg_new include/net/netlink.h:953 [inline] rtmsg_ifinfo_build_skb+0x90/0x1b4 net/core/rtnetlink.c:3824 rtmsg_ifinfo_event net/core/rtnetlink.c:3860 [inline] rtmsg_ifinfo+0x8c/0x128 net/core/rtnetlink.c:3869 __dev_notify_flags+0xdc/0x534 net/core/dev.c:8817 dev_change_flags+0xc8/0x154 net/core/dev.c:8859 do_setlink+0xaa4/0x316c net/core/rtnetlink.c:2721 __rtnl_newlink net/core/rtnetlink.c:3395 [inline] rtnl_newlink+0x1238/0x1ab8 net/core/rtnetlink.c:3510 rtnetlink_rcv_msg+0xa74/0xdac net/core/rtnetlink.c:5587 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2533 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5605 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1952 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x584/0x870 net/socket.c:2412 ___sys_sendmsg+0x214/0x294 net/socket.c:2466 __sys_sendmsg net/socket.c:2495 [inline] __do_sys_sendmsg net/socket.c:2504 [inline] __se_sys_sendmsg net/socket.c:2502 [inline] __arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2502 __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: 8980 at lib/stackdepot.c:114 stack_depot_save+0x494/0x4a0 lib/stackdepot.c:312 Modules linked in: CPU: 1 PID: 8980 Comm: syz-executor.5 Not tainted 5.15.107-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: 00000000000001b0 x27: 00000000000000c0 x26: 0000000000000000 x25: 000000000009e74a x24: ffff0001b3000000 x23: 000000007cf9e74a x22: 0000000000000198 x21: 0000000000000000 x20: 0000000000000033 x19: ffff800008017b00 x18: 0000000000010003 x17: ff80800008333ebc x16: ffff800011943d44 x15: ffff800008333ebc x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000 x11: ff8080000832b964 x10: 0000000000010002 x9 : 3d850f127d2ff300 x8 : 3d850f127d2ff300 x7 : 0000000000170da8 x6 : 0000000000170d68 x5 : ffff8000080171f8 x4 : ffff80001498dce0 x3 : ffff80000854a4a4 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 unwind_frame+0x344/0x550 arch/arm64/kernel/stacktrace.c:114 walk_stackframe arch/arm64/kernel/stacktrace.c:148 [inline] arch_stack_walk+0x270/0x32c arch/arm64/kernel/stacktrace.c:238 stack_trace_save+0xfc/0x1a0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x8c/0xcc mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook+0x74/0x3f4 mm/slab.h:519 slab_alloc_node mm/slub.c:3220 [inline] kmem_cache_alloc_node+0x208/0x49c mm/slub.c:3256 __alloc_skb+0x174/0x584 net/core/skbuff.c:415 alloc_skb include/linux/skbuff.h:1166 [inline] nlmsg_new include/net/netlink.h:953 [inline] rtmsg_ifinfo_build_skb+0x90/0x1b4 net/core/rtnetlink.c:3824 rtmsg_ifinfo_event net/core/rtnetlink.c:3860 [inline] rtmsg_ifinfo+0x8c/0x128 net/core/rtnetlink.c:3869 __dev_notify_flags+0xdc/0x534 net/core/dev.c:8817 dev_change_flags+0xc8/0x154 net/core/dev.c:8859 do_setlink+0xaa4/0x316c net/core/rtnetlink.c:2721 __rtnl_newlink net/core/rtnetlink.c:3395 [inline] rtnl_newlink+0x1238/0x1ab8 net/core/rtnetlink.c:3510 rtnetlink_rcv_msg+0xa74/0xdac net/core/rtnetlink.c:5587 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2533 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5605 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1952 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x584/0x870 net/socket.c:2412 ___sys_sendmsg+0x214/0x294 net/socket.c:2466 __sys_sendmsg net/socket.c:2495 [inline] __do_sys_sendmsg net/socket.c:2504 [inline] __se_sys_sendmsg net/socket.c:2502 [inline] __arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2502 __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: 256936 hardirqs last enabled at (256935): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1337 [inline] hardirqs last enabled at (256935): [] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4780 hardirqs last disabled at (256936): [] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (256718): [] spin_unlock_bh include/linux/spinlock.h:408 [inline] softirqs last enabled at (256718): [] netif_addr_unlock_bh include/linux/netdevice.h:4617 [inline] softirqs last enabled at (256718): [] dev_set_rx_mode+0x1d0/0x274 net/core/dev.c:8711 softirqs last disabled at (256714): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace dcd2cf0c7c6c2c4a ]---