watchdog: BUG: soft lockup - CPU#0 stuck for 122s! [syz.3.420:2264]
Modules linked in:
CPU: 0 PID: 2264 Comm: syz.3.420 Not tainted 6.1.90-syzkaller-00002-g7003f6b36a9b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:update_stack_state+0x36b/0x460 arch/x86/kernel/unwind_frame.c:244
Code: 4b e6 84 00 48 8b 45 c0 49 89 06 48 8b 4d 90 42 80 3c 39 00 48 8b 5d c8 4c 8b 75 b8 74 0c 48 89 df e8 29 e6 84 00 48 8b 45 c0 <48> c7 03 00 00 00 00 48 83 c0 08 48 89 c3 eb 08 48 8b 5d 88 48 83
RSP: 0018:ffffc90000007550 EFLAGS: 00000246
RAX: ffffc90000007a70 RBX: ffffc900000076f8 RCX: 1ffff92000000edf
RDX: 1ffff92000000ed6 RSI: ffffc90000007a70 RDI: ffffc900000076f8
RBP: ffffc90000007608 R08: ffffc90000007788 R09: 0000000000000001
R10: ffffc90000007790 R11: dffffc0000000001 R12: 1ffff92000000edc
R13: 0000000000000000 R14: ffffc900000076c8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2bdfb6 CR3: 0000000006e0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:315
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:333
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3421 [inline]
 kmem_cache_alloc_node+0x18a/0x2d0 mm/slub.c:3466
 __alloc_skb+0xcc/0x2d0 net/core/skbuff.c:505
 alloc_skb include/linux/skbuff.h:1290 [inline]
 ndisc_alloc_skb+0xf3/0x2d0 net/ipv6/ndisc.c:422
 ndisc_send_rs+0x264/0x5f0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3984
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
 expire_timers kernel/time/timer.c:1555 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1826
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
 __do_softirq+0x1d8/0x661 kernel/softirq.c:617
 invoke_softirq kernel/softirq.c:472 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:712
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:finish_task_switch+0x18d/0x7b0 kernel/sched/core.c:5295
Code: 39 ff ce 03 fb 49 8d 9d 48 0b 00 00 48 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30 84 c0 0f 85 7e 02 00 00 <80> 63 03 bf 4c 8b 7d d0 48 8b 5d c8 0f 1f 44 00 00 48 85 db 74 6e
RSP: 0018:ffffc90003cf6e80 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88811379b3c8 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90003cf6ed0 R08: ffffffff819b54a0 R09: fffffbfff0ee5117
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7037c80
R13: ffff88811379a880 R14: dffffc0000000000 R15: ffff8881f70387e0
 context_switch kernel/sched/core.c:5421 [inline]
 __schedule+0xcaf/0x1550 kernel/sched/core.c:6744
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:7056
 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:396
 irqentry_exit+0x30/0x40 kernel/entry/common.c:439
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:get_stack_info+0x0/0x100 arch/x86/kernel/dumpstack_64.c:193
Code: fb 83 ff 05 77 13 89 f8 48 8d 04 c5 80 f3 65 85 55 48 89 e5 48 8b 00 5d c3 31 c0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 50 49 89 ce 49 89 d4 48 89
RSP: 0018:ffffc90003cf7198 EFLAGS: 00000246
RAX: ffff88811379a880 RBX: ffffc90003cf7210 RCX: ffffc90003cf7240
RDX: ffffc90003cf7220 RSI: ffff88811379a880 RDI: ffffc90003cf7210
RBP: ffffc90003cf7210 R08: dffffc0000000000 R09: ffffc90003cf7220
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88811379a880 R14: ffffc90003cf7300 R15: ffffc90003cf7220
 unwind_start arch/x86/include/asm/unwind.h:64 [inline]
 arch_stack_walk+0xdb/0x140 arch/x86/kernel/stacktrace.c:24
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 save_stack+0xf6/0x1e0 mm/page_owner.c:147
 __reset_page_owner+0x54/0x190 mm/page_owner.c:168
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1498 [inline]
 free_pcp_prepare mm/page_alloc.c:1572 [inline]
 free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3498
 free_unref_page+0xb2/0x5c0 mm/page_alloc.c:3594
 free_the_page mm/page_alloc.c:798 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5803
 __vunmap+0x9f3/0xb60 mm/vmalloc.c:2728
 __vfree mm/vmalloc.c:2776 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2807
 kcov_put kernel/kcov.c:428 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:524
 __fput+0x3ab/0x870 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x24d/0x2e0 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xbd5/0x2b80 kernel/exit.c:875
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
 get_signal+0x169d/0x1820 kernel/signal.c:2880
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd4107779f9
Code: Unable to access opcode bytes at 0x7fd4107779cf.
RSP: 002b:00007fd41156b0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007fd410906138 RCX: 00007fd4107779f9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd410906138
RBP: 00007fd410906130 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd41090613c
R13: 0000000000000000 R14: 00007ffc2433a2b0 R15: 00007ffc2433a398
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3280 Comm: syz.2.599 Not tainted 6.1.90-syzkaller-00002-g7003f6b36a9b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:irqentry_enter+0x0/0x30 kernel/entry/common.c:322
Code: e9 32 ff ff ff 0f 1f 44 00 00 55 48 89 e5 5d c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 87 a9 4a fc e8 c2 ec ff ff 5d c3 <55> 48 89 e5 f6 87 88 00 00 00 03 75 0e 65 48 8b 05 bb 6a e9 7a f6
RSP: 0018:ffffc900001affa0 EFLAGS: 00000097
RAX: ffffc900001affc8 RBX: ffffc900001affc8 RCX: ffffffff85200f0f
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc900001affc8
RBP: ffffc900001affb8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f37078a86c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f79f004fff8 CR3: 000000011e00d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 asm_sysvec_irq_work+0x1b/0x20 arch/x86/include/asm/idtentry.h:679
RIP: 0010:update_stack_state+0x81/0x460 arch/x86/kernel/unwind_frame.c:208
Code: 48 89 7d c8 74 09 e8 8e e8 84 00 48 8b 7d c8 48 8b 07 48 85 c0 74 08 48 05 a8 00 00 00 eb 21 49 8d 5f 38 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 60 e8 84 00 48 8b 03 48 83 c0 10
RSP: 0018:ffffc900001b0070 EFLAGS: 00000a06
RAX: 1ffff9200003603f RBX: ffffc900001b01f8 RCX: ffffffff877a1000
RDX: dffffc0000000000 RSI: ffffc90000ab7f10 RDI: ffffc900001b0218
RBP: ffffc900001b0128 R08: ffffc900001b02a8 R09: 000000000000001a
R10: ffffc900001b02b0 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900001b0210 R14: dffffc0000000000 R15: ffffc900001b01c0
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:315
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:379 [inline]
 __kasan_kmalloc+0x9c/0xb0 mm/kasan/common.c:388
 kasan_kmalloc include/linux/kasan.h:212 [inline]
 __do_kmalloc_node mm/slab_common.c:957 [inline]
 __kmalloc+0xb4/0x1e0 mm/slab_common.c:970
 kmalloc include/linux/slab.h:561 [inline]
 kzalloc include/linux/slab.h:692 [inline]
 neigh_alloc net/core/neighbour.c:494 [inline]
 ___neigh_create+0x6af/0x1db0 net/core/neighbour.c:648
 __neigh_create+0x32/0x40 net/core/neighbour.c:737
 ip6_finish_output2+0x9d0/0x1840 net/ipv6/ip6_output.c:125
 __ip6_finish_output net/ipv6/ip6_output.c:201 [inline]
 ip6_finish_output+0x50f/0xa60 net/ipv6/ip6_output.c:212
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:233
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x7cf/0xdc0 net/ipv6/ndisc.c:509
 ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:719
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3984
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
 expire_timers kernel/time/timer.c:1555 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1826
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
 __do_softirq+0x1d8/0x661 kernel/softirq.c:617
 invoke_softirq kernel/softirq.c:472 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:712
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:7056
Code: 4c 89 e7 e8 60 26 9f fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 34 e5 31 fc fb bf 01 00 00 00 <e8> a9 e4 ff ff fa bf 01 00 00 00 e8 be e6 31 fc 65 48 8b 1d 56 d3
RSP: 0018:ffffc90000ab7d20 EFLAGS: 00000246
RAX: 1ffff110231ec8f1 RBX: 1ffff92000156fa8 RCX: ffffffff851f9900
RDX: 1ffffffff0f2d208 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000ab7da8 R08: ffffffff87969040 R09: ffffffff87969048
R10: ffffffff87969058 R11: ffffffff87969050 R12: ffffc90000ab7d40
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000156fa4
 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:396
 irqentry_exit+0x30/0x40 kernel/entry/common.c:439
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:fput+0x0/0x1b0 fs/file_table.c:370
Code: 02 00 00 48 85 db 74 0a e8 bd 64 af ff 49 89 df eb d0 e8 b3 64 af ff eb 05 e8 ac 64 af ff 5b 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 49 89 ff e8 8b 64 af ff 49
RSP: 0018:ffffc90000ab7ea0 EFLAGS: 00000283
RAX: ffffffff81cadd8f RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9001182d000 RSI: 0000000000000025 RDI: ffff88813c7fa180
RBP: ffffc90000ab7ee0 R08: ffffffff81cadd7d R09: ffffed10200f56fd
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000200004c0
R13: ffff88813c7fa180 R14: ffff88813c7fa181 R15: 0000000000005452
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3706b779f9
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:00007f37078a8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3706d06058 RCX: 00007f3706b779f9
RDX: 00000000200004c0 RSI: 0000000000005452 RDI: 0000000000000009
RBP: 00007f3706be58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3706d06058 R15: 00007ffcbc839188
 </TASK>