watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz.0.1307:6697]
Modules linked in:
CPU: 0 PID: 6697 Comm: syz.0.1307 Not tainted 6.1.90-syzkaller-00003-gbe8ff39d2e99 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:unwind_next_frame+0x319/0x700 arch/x86/kernel/unwind_frame.c:305
Code: 00 00 00 49 83 c6 48 4c 89 f0 48 c1 e8 03 80 3c 10 00 74 08 4c 89 f7 e8 95 ed 84 00 49 c7 06 00 00 00 00 b0 01 e9 8c 02 00 00 <4d> 8d 6e 50 4c 89 eb 48 c1 eb 03 80 3c 13 00 74 12 4c 89 ef e8 ce
RSP: 0000:ffffc90000007618 EFLAGS: 00000283
RAX: ffffc90000faff30 RBX: ffffc90000007fd8 RCX: ffffffff877a1000
RDX: dffffc0000000000 RSI: ffffffff81461599 RDI: ffffc90000faff48
RBP: ffffc90000007690 R08: ffffc90000007788 R09: 000000000000000e
R10: ffffc90000007790 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc90000fb0000 R14: ffffc900000076a0 R15: 1ffff92000000ed4
FS:  00007fae2472a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf18ff8 CR3: 000000012daa9000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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:__schedule+0xcaf/0x1550
Code: 44 24 68 42 0f b6 04 28 84 c0 0f 85 83 02 00 00 41 80 24 24 fc 4c 89 f7 48 8b 74 24 20 e8 a9 c4 e2 fb 48 89 c7 e8 81 d7 32 fc <48> 8b 44 24 70 48 c7 84 24 80 00 00 00 0e 36 e0 45 49 c7 44 05 00
RSP: 0000:ffffc90000fafd80 EFLAGS: 00000282
RAX: 0000000080000001 RBX: 1ffff1103ee070fc RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffc90000fafe90 R08: dffffc0000000000 R09: ffffed1022264ca9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888111326540
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881f70387e0
 schedule+0xc3/0x180 kernel/sched/core.c:6820
 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:165
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:316
 irqentry_exit+0x12/0x40 kernel/entry/common.c:419
 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: 0033:0x7fae239779f9
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:00007fae2472a038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fae23b062e0 RCX: 00007fae239779f9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007fae239e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fae23b062e0 R15: 00007fff5c6df9d8
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6686 Comm: syz.1.1308 Not tainted 6.1.90-syzkaller-00003-gbe8ff39d2e99 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:asm_sysvec_irq_work+0x3/0x20 arch/x86/include/asm/idtentry.h:679
Code: f8 ff e9 d0 03 00 00 0f 01 ca fc 6a ff e8 c5 02 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 e8 25 da f8 ff e9 b0 03 00 00 0f 01 ca <fc> 6a ff e8 a5 02 00 00 48 89 c4 48 8d 6c 24 01 48 89 e7 e8 f5 de
RSP: 0018:ffffc900001b08e8 EFLAGS: 00000046
RAX: ffff88810d469b88 RBX: ffff88810d469b40 RCX: ffffffff840d00cd
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88810d469b88
RBP: ffffc900001b0958 R08: dffffc0000000000 R09: ffffed1021a8d371
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881171acbc0 R14: 00000001000138e0 R15: 0000000000000000
FS:  00007f15061af6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f735ed07a8c CR3: 00000001167ed000 CR4: 00000000003506a0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 dst_alloc+0x18a/0x1e0 net/core/dst.c:96
 ip6_dst_alloc net/ipv6/route.c:345 [inline]
 icmp6_dst_alloc+0xf8/0x510 net/ipv6/route.c:3266
 ndisc_send_skb+0x28b/0xdc0 net/ipv6/ndisc.c:489
 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:do_syscall_x64 arch/x86/entry/common.c:50 [inline]
RIP: 0010:do_syscall_64+0x25/0xb0 arch/x86/entry/common.c:81
Code: d2 0f 30 c3 cc 55 48 89 e5 41 56 53 48 83 e4 f0 48 89 e3 49 89 fe 66 90 48 63 f6 4c 89 f7 e8 72 36 00 00 3d c2 01 00 00 77 2b <89> c1 48 81 f9 c3 01 00 00 48 19 f6 21 c6 4c 89 f7 e8 65 87 e7 fb
RSP: 0018:ffffc90000e47f30 EFLAGS: 00000283
RAX: 00000000000000ca RBX: ffffc90000e47f30 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000000000ca RDI: ffffc90000e47f58
RBP: ffffc90000e47f48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffc90000e47f58 R15: 0000000000000000
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f15053779f9
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:00007f15061af0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f1505505f88 RCX: 00007f15053779f9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f1505505f8c
RBP: 00007f1505505f80 R08: 00007ffd127790b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1505505f8c
R13: 0000000000000000 R14: 00007ffd1274e030 R15: 00007ffd1274e118
 </TASK>