watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz.3.75:1021]
Modules linked in:
CPU: 0 PID: 1021 Comm: syz.3.75 Tainted: G        W         5.15.167-syzkaller-android13-5.15.167_r00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:stack_trace_consume_entry+0xfb/0x290 kernel/stacktrace.c:93
Code: 00 fc ff df 4c 8b 33 41 8d 59 01 41 0f b6 04 17 84 c0 0f 85 38 01 00 00 41 89 1a 4b 8d 1c ce 48 89 d8 48 c1 e8 03 80 3c 10 00 <74> 1e 48 89 df 49 89 d6 49 89 f7 4d 89 c5 e8 02 31 53 00 4d 89 e8
RSP: 0018:ffffc90000006c08 EFLAGS: 00000246
RAX: 1ffff92000000dc0 RBX: ffffc90000006e00 RCX: 0000000000006c01
RDX: dffffc0000000000 RSI: ffffffff81b280b6 RDI: ffffc90000006d4c
RBP: ffffc90000006c50 R08: ffffc90000006d48 R09: 0000000000000002
R10: ffffc90000006d50 R11: dffffc0000000001 R12: 1ffff92000000da9
R13: 1ffff92000000da9 R14: ffffc90000006df0 R15: 1ffff92000000daa
FS:  00007f6fc789b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6fc787ad58 CR3: 0000000128237000 CR4: 00000000003506b0
DR0: 0100000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x101/0x140 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3519 [inline]
 kmem_cache_free+0x116/0x2e0 mm/slub.c:3535
 kfree_skbmem+0x104/0x170
 __kfree_skb net/core/skbuff.c:758 [inline]
 kfree_skb_reason net/core/skbuff.c:778 [inline]
 kfree_skb+0xc2/0x360 net/core/skbuff.c:792
 ip6_tnl_start_xmit+0xe8a/0x1690 net/ipv6/ip6_tunnel.c:1434
 __netdev_start_xmit include/linux/netdevice.h:5059 [inline]
 netdev_start_xmit include/linux/netdevice.h:5073 [inline]
 xmit_one net/core/dev.c:3624 [inline]
 dev_hard_start_xmit+0x228/0x620 net/core/dev.c:3640
 __dev_queue_xmit+0x18b4/0x2e70 net/core/dev.c:4255
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4288
 neigh_connected_output+0x417/0x450 net/core/neighbour.c:1533
 neigh_output include/net/neighbour.h:517 [inline]
 ip6_finish_output2+0xf95/0x16f0 net/ipv6/ip6_output.c:130
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:201
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:211
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:234
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3979
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1773
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786
 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565
 __do_softirq kernel/softirq.c:603 [inline]
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:do_vfs_ioctl+0x223a/0x2a80 fs/ioctl.c:858
Code: fc ff df 80 3c 08 00 74 08 4c 89 ff e8 1f b1 f2 ff 48 8b 4c 24 70 48 8b 7c 24 18 be 11 00 00 00 4c 89 f2 e8 88 82 f9 ff 89 c3 <48> c7 44 24 40 0e 36 e0 45 41 c7 45 00 00 00 00 00 41 c7 45 0a 00
RSP: 0018:ffffc90000fa7a60 EFLAGS: 00000287
RAX: ffffffff81bfe8ae RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90006d0c000 RSI: 000000000000104a RDI: 000000000000104b
RBP: ffffc90000fa7e98 R08: ffffffff81bfe8a0 R09: ffffed102124cef5
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000003
R13: fffff520001f4f54 R14: 0000000000000000 R15: ffff88811c584f28
 __do_sys_ioctl fs/ioctl.c:872 [inline]
 __se_sys_ioctl+0x99/0x190 fs/ioctl.c:860
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6fc8c22719
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:00007f6fc789b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6fc8dd9f80 RCX: 00007f6fc8c22719
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f6fc8c9532e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6fc8dd9f80 R15: 00007ffcb99d7a68
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 367 Comm: syz.1.10 Tainted: G        W         5.15.167-syzkaller-android13-5.15.167_r00 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:235 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:156 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:263 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:208
Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 eb d9 89 f6 31 d2 e8 ca 03 52 01 5d c3 0f 1f 84 00 00 00 00
RSP: 0018:ffffc900001d0638 EFLAGS: 00000046
RAX: 00000000000000e9 RBX: ffffffff862619d8 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 00000000000000e9 RDI: 0000000000000838
RBP: ffffc900001d0638 R08: ffffffff8163c48b R09: ffffffff8163c37d
R10: 0000000000000002 R11: ffff888110e3e2c0 R12: 0000000000000020
R13: dffffc0000000000 R14: 00000000000000e9 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6fc7879f98 CR3: 0000000128237000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:395 [inline]
 lapic_next_event+0x5f/0x70 arch/x86/kernel/apic/apic.c:468
 clockevents_program_event+0x1c1/0x300 kernel/time/clockevents.c:334
 tick_program_event+0x9f/0x120 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x625/0xaa0 kernel/time/hrtimer.c:1826
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:next_tid mm/slub.c:2276 [inline]
RIP: 0010:slab_alloc_node mm/slub.c:3224 [inline]
RIP: 0010:slab_alloc mm/slub.c:3248 [inline]
RIP: 0010:kmem_cache_alloc_trace+0x95/0x210 mm/slub.c:3265
Code: 0f 84 c2 00 00 00 48 83 78 10 00 0f 84 b7 00 00 00 41 8b 45 28 48 8d 0c 07 49 8b 9d d8 00 00 00 48 0f c9 48 33 1c 07 48 31 cb <48> 8d 4a 08 4d 8b 45 00 48 89 f8 65 49 0f c7 08 0f 94 c0 a8 01 74
RSP: 0018:ffffc900001d0908 EFLAGS: 00000246
RAX: 0000000000000030 RBX: 0000000000000000 RCX: 304d57278188ffff
RDX: 000000000000f8f1 RSI: 0000000000000060 RDI: ffff888127574d00
RBP: ffffc900001d0950 R08: ffffffff84586f9c R09: ffffed102453828a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888100042900
R13: ffff888100042900 R14: 0000000000000a20 R15: 0000000000000048
 kmalloc include/linux/slab.h:603 [inline]
 dst_cow_metrics_generic+0x55/0x1c0 net/core/dst.c:199
 dst_metrics_write_ptr include/net/dst.h:118 [inline]
 dst_metric_set include/net/dst.h:179 [inline]
 icmp6_dst_alloc+0x385/0x560 net/ipv6/route.c:3288
 ndisc_send_skb+0x27f/0xc90 net/ipv6/ndisc.c:491
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3979
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1773
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786
 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565
 __do_softirq kernel/softirq.c:603 [inline]
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__schedule+0xcd9/0x1590 kernel/sched/core.c:6520
Code: b6 04 28 84 c0 0f 85 7f 02 00 00 41 80 24 24 fc 4c 89 f7 48 8b 74 24 08 e8 24 33 1b fc 48 89 c7 e8 ac 1d 68 fc 48 8b 44 24 50 <48> c7 44 24 60 0e 36 e0 45 49 c7 44 05 00 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc900061a7040 EFLAGS: 00000282
RAX: 1ffff92000c34e14 RBX: ffff888110e3e7e8 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900061a7130 R08: ffffffff8191f919 R09: fffffbfff0e53363
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7138388
R13: dffffc0000000000 R14: ffff888110e3e2c0 R15: 1ffff110221c7cfd
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:6916
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:last_frame arch/x86/kernel/unwind_frame.c:82 [inline]
RIP: 0010:is_last_frame arch/x86/kernel/unwind_frame.c:87 [inline]
RIP: 0010:is_last_task_frame arch/x86/kernel/unwind_frame.c:156 [inline]
RIP: 0010:unwind_next_frame+0xfd/0x700 arch/x86/kernel/unwind_frame.c:266
Code: 8d 5e 28 48 89 d8 48 c1 e8 03 48 89 45 90 80 3c 10 00 74 12 48 89 df e8 e1 a9 7d 00 48 ba 00 00 00 00 00 fc ff df 48 89 5d 88 <48> 8b 03 48 89 45 98 48 8d 58 20 48 89 d8 48 c1 e8 03 80 3c 10 00
RSP: 0018:ffffc900061a72d8 EFLAGS: 00000246
RAX: 1ffff92000c34e71 RBX: ffffc900061a7388 RCX: 00000000061a7301
RDX: dffffc0000000000 RSI: ffffffff8149aff9 RDI: ffffc900061a7360
RBP: ffffc900061a7350 R08: ffffc900061a7448 R09: 0000000000000008
R10: ffffc900061a7450 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffffff815f77f0 R14: ffffc900061a7360 R15: 1ffff92000c34e6c
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 save_stack+0xf6/0x1e0 mm/page_owner.c:139
 __reset_page_owner+0x36/0x190 mm/page_owner.c:156
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1472 [inline]
 free_pcp_prepare mm/page_alloc.c:1544 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3534
 free_unref_page+0xe8/0x750 mm/page_alloc.c:3616
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x61/0xf0 mm/page_alloc.c:5855
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2652
 __vfree mm/vmalloc.c:2700 [inline]
 vfree+0x7f/0xb0 mm/vmalloc.c:2731
 kcov_put kernel/kcov.c:417 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:519
 __fput+0x228/0x8c0 fs/file_table.c:280
 ____fput+0x15/0x20 fs/file_table.c:308
 task_work_run+0x129/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc48/0x2ca0 kernel/exit.c:880
 do_group_exit+0x141/0x310 kernel/exit.c:1002
 get_signal+0x7a3/0x1630 kernel/signal.c:2904
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fe877951719
Code: Unable to access opcode bytes at RIP 0x7fe8779516ef.
RSP: 002b:00007fe8765ca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fe877b08f80 RCX: 00007fe877951719
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007fe8779c432e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe877b08f80 R15: 00007ffcfc60b238
 </TASK>