watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.2:22412] Modules linked in: irq event stamp: 3554739 hardirqs last enabled at (3554738): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3554739): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (0): [] copy_process.part.0+0x15b9/0x8260 kernel/fork.c:1855 softirqs last disabled at (545): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (545): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 22412 Comm: syz-executor.2 Not tainted 4.19.205-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1079 [inline] RIP: 0010:rcu_lockdep_current_cpu_online+0xe4/0x1b0 kernel/rcu/tree.c:1068 Code: cf 89 48 89 fa 48 c1 ea 03 80 3c 2a 00 0f 85 ac 00 00 00 48 03 1c c5 00 9f cf 89 48 8d 7b 20 48 89 f8 48 c1 e8 03 80 3c 28 00 <0f> 85 a8 00 00 00 48 8d 7b 28 4c 8b 6b 20 48 89 f8 48 c1 e8 03 80 RSP: 0018:ffff8880ba007ce0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffff110174057d4 RBX: ffff8880ba02be80 RCX: ffffffff83771fd3 RDX: 1ffffffff139f3e0 RSI: ffffffff83771fe1 RDI: ffff8880ba02bea0 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff89f882c0 R13: 1ffff11017400fa7 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f86cea61700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 ieee802154 phy0 wpan0: encryption failed: -22 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000568000 CR3: 0000000212072000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee802154 phy1 wpan1: encryption failed: -22 rcu_read_lock_sched_held+0xd3/0x1d0 kernel/rcu/update.c:115 trace_timer_expire_exit include/trace/events/timer.h:121 [inline] call_timer_fn+0x617/0x700 kernel/time/timer.c:1339 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192 Code: c0 d8 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 41 62 d8 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 86 5a 28 f9 65 8b 05 9f be e8 77 85 c0 74 02 5d RSP: 0018:ffff88820b31f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e305b RBX: ffff88821eeae340 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff88821eeaebc4 RBP: ffff8880ba02b0c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ba02b0c0 R13: ffff888044c805c0 R14: 0000000000000000 R15: 0000000000000001 finish_lock_switch kernel/sched/core.c:2578 [inline] finish_task_switch+0x146/0x760 kernel/sched/core.c:2678 context_switch kernel/sched/core.c:2831 [inline] __schedule+0x88f/0x2040 kernel/sched/core.c:3517 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:3641 ___preempt_schedule+0x16/0x18 unwind_next_frame+0xf07/0x1400 arch/x86/kernel/unwind_orc.c:579 __save_stack_trace+0xd6/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 bond593: Enslaving vlan481 as an active interface with an up link bond713: making interface vlan567 the new active one bond713: Enslaving vlan567 as an active interface with an up link kmem_cache_alloc_trace+0x12f/0x380 mm/slab.c:3625 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] apparmor_sk_alloc_security+0x5c/0xe0 security/apparmor/lsm.c:769 security_sk_alloc+0x50/0xb0 security/security.c:1469 sk_prot_alloc+0x200/0x2d0 net/core/sock.c:1469 sk_alloc+0x36/0xec0 net/core/sock.c:1520 alg_create+0x9a/0x180 crypto/af_alg.c:380 __sock_create+0x3d8/0x740 net/socket.c:1363 sock_create net/socket.c:1414 [inline] __sys_socket+0xef/0x200 net/socket.c:1456 __do_sys_socket net/socket.c:1465 [inline] __se_sys_socket net/socket.c:1463 [inline] __x64_sys_socket+0x6f/0xb0 net/socket.c:1463 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f86cea61188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000026 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffc27d44a5f R14: 00007f86cea61300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 ---------------- Code disassembly (best guess): 0: cf iret 1: 89 48 89 mov %ecx,-0x77(%rax) 4: fa cli 5: 48 c1 ea 03 shr $0x3,%rdx 9: 80 3c 2a 00 cmpb $0x0,(%rdx,%rbp,1) d: 0f 85 ac 00 00 00 jne 0xbf 13: 48 03 1c c5 00 9f cf add -0x76306100(,%rax,8),%rbx 1a: 89 1b: 48 8d 7b 20 lea 0x20(%rbx),%rdi 1f: 48 89 f8 mov %rdi,%rax 22: 48 c1 e8 03 shr $0x3,%rax 26: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) * 2a: 0f 85 a8 00 00 00 jne 0xd8 <-- trapping instruction 30: 48 8d 7b 28 lea 0x28(%rbx),%rdi 34: 4c 8b 6b 20 mov 0x20(%rbx),%r13 38: 48 89 f8 mov %rdi,%rax 3b: 48 c1 e8 03 shr $0x3,%rax 3f: 80 .byte 0x80