watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.4:10821] Modules linked in: irq event stamp: 3642323 hardirqs last enabled at (3642322): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (3642322): [] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (3642323): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (728980): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (730041): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (730041): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 10821 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 7c 31 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 fb eb e6 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 RSP: 0018:ffff8880ba007cb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 1ffff11007b2892a RDX: dffffc0000000000 RSI: ffff88803d944930 RDI: 0000000000000286 RBP: ffff88804e344be8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88804e344be8 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fb858a56700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f15c68094f4 CR3: 0000000009e6d000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] skb_dequeue+0x125/0x180 net/core/skbuff.c:2839 garp_queue_xmit net/802/garp.c:274 [inline] garp_join_timer+0xc3/0xf0 net/802/garp.c:426 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 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:lock_acquire+0x37/0x3c0 kernel/locking/lockdep.c:3900 Code: 89 c7 41 56 41 89 ce 41 55 41 89 d5 41 54 41 89 f4 55 48 89 fd 53 65 48 8b 1c 25 c0 df 01 00 48 8d bb 84 08 00 00 48 83 ec 18 <48> 89 fa 4c 89 0c 24 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 RSP: 0018:ffff888047507668 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff88803d944080 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88803d944904 RBP: ffffffff89f85fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] lock_page_memcg+0x36/0x220 mm/memcontrol.c:1908 page_remove_file_rmap+0x36/0xa30 mm/rmap.c:1212 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb85a0e1279 Code: Bad RIP value. RSP: 002b:00007fb858a56218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007fb85a1f3f88 RCX: 00007fb85a0e1279 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fb85a1f3f8c RBP: 00007fb85a1f3f80 R08: 0000023c54325d5c R09: 0000000000000000 R10: 000000000000466c R11: 0000000000000246 R12: 00007fb85a1f3f8c R13: 00007ffe413f119f R14: 00007fb858a56300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 10873 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:rcu_rnp_online_cpus kernel/rcu/tree.c:212 [inline] RIP: 0010:rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1080 [inline] RIP: 0010:rcu_lockdep_current_cpu_online+0x10b/0x1b0 kernel/rcu/tree.c:1068 Code: 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 3c 28 00 0f 85 99 00 00 00 49 8d 7d 68 48 8b 5b 28 <48> 89 f8 48 c1 e8 03 80 3c 28 00 75 73 49 8b 45 68 48 85 c3 0f 84 RSP: 0018:ffff8880ba107af0 EFLAGS: 00000046 RAX: 1ffff110174257d5 RBX: 0000000000000002 RCX: ffffffff83771e23 RDX: 1ffffffff139f5e1 RSI: ffffffff83771e31 RDI: ffffffff89f882e8 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66505b R12: ffffffff89f88280 R13: ffffffff89f88280 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fe0fa99d700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f021000 CR3: 000000003a4ff000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_lock_sched_held+0xd3/0x1d0 kernel/rcu/update.c:115 trace_local_timer_exit arch/x86/include/asm/trace/irq_vectors.h:56 [inline] smp_apic_timer_interrupt+0x3ca/0x550 arch/x86/kernel/apic/apic.c:1097 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 7c 31 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 fb eb e6 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 RSP: 0018:ffff8880ba107c28 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 1ffff11006a931ca RDX: dffffc0000000000 RSI: ffff888035498e30 RDI: 0000000000000286 RBP: ffff8880ba122b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000022b40 R14: 0000000000000000 R15: ffff8880ba122b40 __mod_timer kernel/time/timer.c:1071 [inline] mod_timer+0x4ea/0x1010 kernel/time/timer.c:1114 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 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:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744 Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80 RSP: 0018:ffff888028bd7890 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 1ffff11006a931c5 RDX: 0000000000000000 RSI: ffff888035498e08 RDI: ffff888035498e04 RBP: ffffed1006a930b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888035498580 R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:unwind_next_frame+0xd2/0x1400 arch/x86/kernel/unwind_orc.c:589 Code: 43 08 00 00 00 00 48 8b 8c 24 e0 00 00 00 65 48 2b 0c 25 28 00 00 00 0f 85 90 0f 00 00 48 81 c4 e8 00 00 00 5b 5d 41 5c 41 5d <41> 5e 41 5f c3 4d 8d 66 48 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 RSP: 0018:ffff888028bd7960 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: ffffffff8820008d RCX: 0000000000000000 RDX: dffffc0000000000 RSI: ffff888028bd77f0 RDI: 0000000000000001 RBP: ffff888028bd7a08 R08: ffff888028bd77f0 R09: ffffffff8c11b3d4 R10: ffff888028bd79e7 R11: 0000000000074071 R12: ffff888028bd7a20 R13: 0000000000000000 R14: ffff888028bd7988 R15: ffffffff8c11b3f2 __save_stack_trace+0x9f/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 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc_trace+0x11a/0x380 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] perf_event_alloc.part.0+0xb9/0x2eb0 kernel/events/core.c:10072 perf_event_alloc kernel/events/core.c:10559 [inline] __do_sys_perf_event_open kernel/events/core.c:10660 [inline] __se_sys_perf_event_open+0x550/0x2720 kernel/events/core.c:10549 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe0fc028279 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe0fa99d168 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fe0fc13af80 RCX: 00007fe0fc028279 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 000000002025c000 RBP: 00007fe0fc082189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd2bc29def R14: 00007fe0fa99d300 R15: 0000000000022000