watchdog: BUG: soft lockup - CPU#0 stuck for 125s! [syz.0.543:3710]
Modules linked in:
CPU: 0 PID: 3710 Comm: syz.0.543 Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__kernel_text_address+0xd7/0x110 kernel/extable.c:118
Code: 00 00 45 85 ff 75 20 48 c7 c0 00 80 ec 86 48 39 c3 0f 93 c0 48 c7 c1 fa a7 fa 86 48 39 cb 0f 92 c1 20 c1 44 0f b6 f1 44 89 f0 <5b> 41 5e 41 5f 5d c3 48 c7 c1 00 74 e3 86 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90000007470 EFLAGS: 00000293
RAX: 0000000000000001 RBX: ffffffff84c00c82 RCX: 0000000000007501
RDX: 1ffff92000000e9a RSI: ffffc9000147f7d8 RDI: ffffffff84c00c82
RBP: ffffc90000007488 R08: ffffc900000075a8 R09: 0000000000000014
R10: ffffc900000075b0 R11: dffffc0000000001 R12: ffff88811d033b40
R13: ffffffff8159b790 R14: 0000000000000001 R15: 1ffff92000000ea1
FS:  00007f539c53a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e80227ba8 CR3: 000000011d5d0000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_frame.c:19
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:430 [inline]
 __kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:463
 kasan_slab_alloc include/linux/kasan.h:244 [inline]
 slab_post_alloc_hook+0x61/0x2f0 mm/slab.h:583
 slab_alloc_node mm/slub.c:2947 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc+0x168/0x2e0 mm/slub.c:2960
 dst_alloc+0x17d/0x590 net/core/dst.c:93
 ip6_dst_alloc net/ipv6/route.c:340 [inline]
 icmp6_dst_alloc+0xfc/0x560 net/ipv6/route.c:3164
 ndisc_send_skb+0x25a/0xc00 net/ipv6/ndisc.c:491
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:5065
Code: 4c 89 e7 e8 b0 d6 f6 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 14 a2 97 fc fb bf 01 00 00 00 <e8> 89 e6 ff ff fa bf 01 00 00 00 e8 9e a3 97 fc 65 48 8b 1d 26 fd
RSP: 0018:ffffc9000147f720 EFLAGS: 00000246
RAX: 1ffff11023a068ae RBX: 1ffff9200028fee8 RCX: ffffffff84b29800
RDX: 1ffffffff0e10800 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc9000147f7a0 R08: ffffffff87084008 R09: ffffffff87084018
R10: ffffffff87084010 R11: ffffffff87084003 R12: ffffc9000147f740
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200028fee4
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:from_kuid_munged+0x0/0x7b0 kernel/user_namespace.c:432
Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c b1 fd ff ff 4c 89 e7 e8 41 c3 41 00 e9 a4 fd ff ff e8 f7 8d 46 03 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 00
RSP: 0018:ffffc9000147f898 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff866e5940
RBP: ffffc9000147f988 R08: dffffc0000000000 R09: fffffbfff0e23cac
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200028ff24
R13: dffffc0000000000 R14: ffffffff866e5940 R15: ffff88811d033b40
 notifier_call_chain kernel/notifier.c:83 [inline]
 blocking_notifier_call_chain+0xbb/0x140 kernel/notifier.c:337
 profile_task_exit+0x1e/0x30 kernel/profile.c:151
 do_exit+0x193/0x2a50 kernel/exit.c:800
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7f539d8c0ff9
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:00007f539c53a038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f539da78f80 RCX: 00007f539d8c0ff9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007f539d933296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f539da78f80 R15: 00007fffd25c3018
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3339 Comm: syz.0.513 Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:native_apic_msr_eoi_write+0x10/0x20 arch/x86/include/asm/apic.h:214
Code: f0 03 00 00 44 89 f6 ff 13 5b 41 5e 41 5f 5d c3 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 b9 0b 08 00 00 31 c0 31 d2 0f 30 5d <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 81 ff
RSP: 0018:ffffc90000170a70 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff85dc4978 RCX: 000000000000080b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000b0
RBP: ffffc90000170aa0 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011d5d0000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:skb_tail_pointer include/linux/skbuff.h:2251 [inline]
RIP: 0010:skb_put+0x11e/0x210 net/core/skbuff.c:1922
Code: 00 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 da 00 00 00 8b 1b 44 89 ef 89 de e8 7c 9e ab fd 41 39 dd 77 1b e8 f2 9c ab fd <4c> 03 7d c0 4c 89 f8 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3
RSP: 0018:ffffc90000170b88 EFLAGS: 00000246
RAX: ffffffff83bf0ffe RBX: 0000000000000080 RCX: ffff888119bda780
RDX: 0000000000000102 RSI: 0000000000000080 RDI: 0000000000000018
RBP: ffffc90000170bc8 R08: ffffffff83bf0ff4 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11027287baa
R13: 0000000000000018 R14: ffff88813943dc80 R15: ffff8881077eec00
 __nlmsg_put+0x46/0x1a0 net/netlink/af_netlink.c:2169
 nlmsg_put include/net/netlink.h:920 [inline]
 nlmsg_populate_mdb_fill net/bridge/br_mdb.c:386 [inline]
 br_mdb_notify+0x599/0xca0 net/bridge/br_mdb.c:593
 br_multicast_host_leave net/bridge/br_multicast.c:1218 [inline]
 br_multicast_group_expired+0x30a/0x5e0 net/bridge/br_multicast.c:541
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:5065
Code: 4c 89 e7 e8 b0 d6 f6 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 14 a2 97 fc fb bf 01 00 00 00 <e8> 89 e6 ff ff fa bf 01 00 00 00 e8 9e a3 97 fc 65 48 8b 1d 26 fd
RSP: 0018:ffffc9000119f220 EFLAGS: 00000246
RAX: 1ffff1102337b636 RBX: 1ffff92000233e48 RCX: ffffffff84b29800
RDX: 1ffff1102337b4f4 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc9000119f2a0 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffc9000119f240
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000233e44
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:unwind_next_frame+0x31d/0x700 arch/x86/kernel/unwind_frame.c:295
Code: 83 c6 48 4c 89 f0 48 c1 e8 03 80 3c 10 00 74 08 4c 89 f7 e8 c5 2e 76 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 fe 2d 76 00 48
RSP: 0018:ffffc9000119f398 EFLAGS: 00000283
RAX: ffffc9000119ff30 RBX: ffffc9000119f4b0 RCX: 1ffff92000233e8b
RDX: dffffc0000000000 RSI: ffffffff8159b6e3 RDI: ffffc9000119ff48
RBP: ffffc9000119f410 R08: ffffc9000119f508 R09: 0000000000000000
R10: ffffc9000119f510 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc9000119f470 R14: ffffc9000119f420 R15: 1ffff92000233e84
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 save_stack+0x97/0x240 mm/page_owner.c:146
 __reset_page_owner+0x36/0x150 mm/page_owner.c:174
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page+0x9e/0x370 mm/page_alloc.c:5407
 __free_pages+0x67/0xc0 mm/page_alloc.c:5418
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2301
 __vfree mm/vmalloc.c:2349 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2380
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x33d/0x7b0 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f342036bff9
Code: Unable to access opcode bytes at RIP 0x7f342036bfcf.
RSP: 002b:00007f341efa30e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f3420524138 RCX: 00007f342036bff9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f342052413c
RBP: 00007f3420524130 R08: 00007ffd345ac0b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f342052413c
R13: 0000000000000000 R14: 00007ffd345500a0 R15: 00007ffd34550188