watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.6.497:4131]
Modules linked in:
CPU: 1 PID: 4131 Comm: syz.6.497 Not tainted 5.4.289-syzkaller-00011-g39762b7a60e9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:unwind_next_frame+0x1689/0x1ea0 arch/x86/kernel/unwind_orc.c:595
Code: 04 38 84 c0 0f 85 e8 07 00 00 49 0f bf 06 48 8b 74 24 08 48 01 c6 48 8d 53 40 48 89 df e8 3f 0a 00 00 84 c0 0f 84 63 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 8b 4c 24 48 0f b6 04 01 84 c0 0f
RSP: 0000:ffff8881f6f09020 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff8881f6f09320 RCX: 32b86b37ce56d200
RDX: ffff8881f6f092a0 RSI: 0000000000000020 RDI: ffff8881f6f09320
RBP: ffff8881f6f09310 R08: dffffc0000000000 R09: ffff8881f6f09370
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff0d57b16
R13: ffffffff86abd8b2 R14: ffff8881f6f09320 R15: dffffc0000000000
FS:  00007f45ed6a26c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32212ff8 CR3: 00000001bd9f4000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x111/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x118/0x1c0 kernel/stacktrace.c:123
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 kasan_set_free_info mm/kasan/common.c:345 [inline]
 __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook mm/slub.c:1494 [inline]
 slab_free mm/slub.c:3080 [inline]
 kfree+0x123/0x370 mm/slub.c:4071
 ip_cork_release net/ipv4/ip_output.c:1468 [inline]
 __ip_make_skb+0x12c3/0x19b0 net/ipv4/ip_output.c:1576
 ip_finish_skb include/net/ip.h:247 [inline]
 ip_push_pending_frames+0x2e/0x180 net/ipv4/ip_output.c:1600
 __icmp_send+0xff4/0x1560 net/ipv4/icmp.c:775
 ipv4_send_dest_unreach net/ipv4/route.c:1241 [inline]
 ipv4_link_failure+0x455/0x790 net/ipv4/route.c:1248
 dst_link_failure include/net/dst.h:421 [inline]
 arp_error_report+0x96/0xc0 net/ipv4/arp.c:295
 neigh_invalidate+0x27c/0x510 net/core/neighbour.c:1006
 neigh_timer_handler+0x87d/0xf00 net/core/neighbour.c:1092
 call_timer_fn+0x36/0x390 kernel/time/timer.c:1448
 expire_timers kernel/time/timer.c:1493 [inline]
 __run_timers+0x879/0xbe0 kernel/time/timer.c:1817
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830
 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x195/0x1c0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:539 [inline]
 smp_apic_timer_interrupt+0x11a/0x490 arch/x86/kernel/apic/apic.c:1161
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x45/0x60 kernel/locking/spinlock.c:199
Code: 08 00 74 0c 48 c7 c7 90 3c eb 85 e8 85 03 3d fd 48 83 3d 6d 0b 94 01 00 74 29 48 89 df e8 43 d6 f4 fc 66 90 fb bf 01 00 00 00 <e8> 86 c0 ed fc 65 8b 05 4b 5c ab 7b 85 c0 74 02 5b c3 e8 d4 22 a9
RSP: 0000:ffff8881dab87c30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: ffff8881f6f57b40 RCX: dffffc0000000000
RDX: 0000000040000002 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8881dab87c90 R08: ffffffff8179a549 R09: fffffbfff0c98a5b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f6f57b40
R13: ffff8881f31fde80 R14: dffffc0000000000 R15: ffff8881df476600
 finish_lock_switch kernel/sched/core.c:3347 [inline]
 finish_task_switch+0x130/0x590 kernel/sched/core.c:3447
 context_switch kernel/sched/core.c:3611 [inline]
 __schedule+0xb0d/0x1320 kernel/sched/core.c:4307
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:4558
 retint_kernel+0x1b/0x1b
RIP: 0010:exit_to_usermode_loop+0x20/0x1a0 arch/x86/entry/common.c:148
Code: 2e 0f 1f 84 00 00 00 00 00 90 41 57 41 56 41 54 53 41 89 f7 49 89 fe 49 bc 00 00 00 00 00 fc ff df e8 f4 e0 63 00 fb 44 89 fe <83> e6 08 31 ff e8 d6 e3 63 00 44 89 f8 83 e0 08 75 07 e8 d9 e0 63
RSP: 0000:ffff8881dab87ef0 EFLAGS: 00000287 ORIG_RAX: ffffffffffffff13
RAX: ffffffff8100697c RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000858d000 RSI: 0000000000000008 RDI: 0000000000002f06
RBP: 0000000000000008 R08: ffffffff810067f2 R09: ffffed103e63fbd1
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff1103e63fbd0 R14: ffff8881dab87f58 R15: 0000000000000008
 prepare_exit_to_usermode+0x199/0x200 arch/x86/entry/common.c:194
 ret_from_intr+0x1c/0x1c
RIP: 0033:0x7f45ef037de9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f45ed6a20e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000001 RBX: 00007f45ef250fa8 RCX: 00007f45ef037de9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f45ef250fac
RBP: 00007f45ef250fa0 R08: 00007ffdb67580b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f45ef250fac
R13: 0000000000000000 R14: 00007ffdb668f960 R15: 00007ffdb668fa48
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 0 skipped: idling at default_idle+0x1f/0x30 arch/x86/kernel/process.c:572