RBP: 00007fdee947d916 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fdee95abf80 R15: 00007ffef7af6b78 watchdog: BUG: soft lockup - CPU#0 stuck for 223s! [syz.3.452:3927] Modules linked in: CPU: 0 PID: 3927 Comm: syz.3.452 Not tainted 5.15.153-syzkaller-00623-gda92e689a0c3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:find_stack lib/stackdepot.c:207 [inline] RIP: 0010:__stack_depot_save+0x167/0x470 lib/stackdepot.c:304 Code: de eb 03 44 89 ff 48 8b 05 0e 0c cf 04 44 89 f1 81 e1 ff 0f 00 00 48 89 45 b0 48 89 4d b8 4c 8b 24 c8 4c 89 cb 41 89 df eb 04 <4d> 8b 24 24 4d 85 e4 74 2d 45 39 74 24 08 75 f0 41 39 5c 24 0c 75 RSP: 0018:ffffc90000006f58 EFLAGS: 00000207 RAX: ffff88823fe40000 RBX: 000000000000001b RCX: 0000000000000bd0 RDX: ffffc9000000708c RSI: 0000000000000001 RDI: 0000000000000800 RBP: ffffc90000006fb0 R08: 0000000000000003 R09: 000000000000001b R10: ffffc90000006f30 R11: dffffc0000000001 R12: ffff88814460b1e0 R13: ffffc90000006fc0 R14: 00000000c649ebd0 R15: 000000000000001b FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e11cff8 CR3: 0000000006a0f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: kasan_save_stack mm/kasan/common.c:39 [inline] kasan_set_track+0x5d/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] consume_skb+0xb4/0x250 net/core/skbuff.c:930 netlink_broadcast_filtered+0x10f4/0x1220 net/netlink/af_netlink.c:1540 netlink_broadcast net/netlink/af_netlink.c:1562 [inline] nlmsg_multicast include/net/netlink.h:1033 [inline] nlmsg_notify+0x101/0x1c0 net/netlink/af_netlink.c:2548 rtnl_notify+0x9c/0xd0 net/core/rtnetlink.c:730 __neigh_notify+0xcc/0x120 net/core/neighbour.c:3386 neigh_cleanup_and_release+0x2c/0x1b0 net/core/neighbour.c:101 neigh_del net/core/neighbour.c:197 [inline] neigh_remove_one+0x3a6/0x430 net/core/neighbour.c:218 neigh_forced_gc net/core/neighbour.c:251 [inline] neigh_alloc net/core/neighbour.c:429 [inline] ___neigh_create+0x474/0x1bd0 net/core/neighbour.c:591 __neigh_create+0x32/0x40 net/core/neighbour.c:679 ip6_finish_output2+0x9ee/0x16e0 net/ipv6/ip6_output.c:123 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:197 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:207 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:230 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:509 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3977 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 __do_softirq+0x26d/0x5bf kernel/softirq.c:565 invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916 Code: 4c 89 e7 e8 80 bd ce 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 d4 65 68 fc fb bf 01 00 00 00 e9 e3 ff ff fa bf 01 00 00 00 e8 5e 67 68 fc 65 48 8b 1d d6 a0 RSP: 0018:ffffc900009971c0 EFLAGS: 00000246 RAX: 1ffff11022834646 RBX: 1ffff92000132e3c RCX: ffffffff84e59e00 RDX: 1ffff110228344f5 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc90000997258 R08: ffffffff874cb000 R09: ffffffff874cb008 R10: ffffffff874cb018 R11: ffffffff874cb010 R12: ffffc900009971e0 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000132e38 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:stack_trace_consume_entry+0x0/0x290 kernel/stacktrace.c:83 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7b ff ff ff 48 89 df e8 10 24 53 00 e9 6e ff ff ff e8 e6 00 80 03 66 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 fb 48 ba RSP: 0018:ffffc90000997358 EFLAGS: 00000282 RAX: ffffffff81bb169e RBX: ffffc90000997360 RCX: 0000000000997301 RDX: 1ffff92000132e6e RSI: ffffffff81bb169e RDI: ffffc90000997440 RBP: ffffc900009973f0 R08: ffffc90000997448 R09: 0000000000000005 R10: ffffc90000997450 R11: dffffc0000000001 R12: ffff8881141a2780 R13: ffffffff815f65d0 R14: ffffc90000997440 R15: 0000000000000000 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:5853 __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:408 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:510 __fput+0x3fe/0x910 fs/file_table.c:280 ____fput+0x15/0x20 fs/file_table.c:308 task_work_run+0x129/0x190 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0xc48/0x2ca0 kernel/exit.c:878 do_group_exit+0x141/0x310 kernel/exit.c:1000 get_signal+0x7a3/0x1630 kernel/signal.c:2896 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 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:320 irqentry_exit+0x12/0x40 kernel/entry/common.c:411 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: 0033:0x7fdee940fe79 Code: Unable to access opcode bytes at RIP 0x7fdee940fe4f. RSP: 002b:00007fdee808d038 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00007fdee95abf80 RCX: 00007fdee940fe79 RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000007 RBP: 00007fdee947d916 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fdee95abf80 R15: 00007ffef7af6b78 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4545 Comm: syz.4.540 Not tainted 5.15.153-syzkaller-00623-gda92e689a0c3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 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:207 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 4a cf 51 01 5d c3 0f 1f 84 00 00 00 00 RSP: 0018:ffffc900001d0198 EFLAGS: 00000046 RAX: 00000000000000c8 RBX: ffffffff8625b9c8 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 00000000000000c8 RDI: 0000000000000838 RBP: ffffc900001d0198 R08: ffffffff8163b61b R09: ffffffff8163b50d R10: 0000000000000002 R11: ffff888122b5e2c0 R12: 0000000000000020 R13: dffffc0000000000 R14: 00000000000000c8 R15: dffffc0000000000 FS: 00007f36dc8476c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f36dc826d58 CR3: 0000000122190000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: apic_write arch/x86/include/asm/apic.h:394 [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:1824 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:queued_write_lock_slowpath+0x159/0x440 kernel/locking/qrwlock.c:78 Code: 41 81 0f 00 01 00 00 48 8b 5c 24 08 43 0f b6 04 2e 84 c0 0f 85 94 00 00 00 41 8b 07 3d 00 01 00 00 74 27 f3 90 43 0f b6 04 2e <84> c0 74 eb 44 89 f9 80 e1 07 80 c1 03 38 c1 7c de 4c 89 ff e8 ae RSP: 0018:ffffc900001d0460 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 1ffff9200003a096 RCX: ffffffff815519de RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff87194448 RBP: ffffc900001d0510 R08: dffffc0000000000 R09: fffffbfff0e3288a R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900001d04b0 R13: dffffc0000000000 R14: 1ffffffff0e32889 R15: ffffffff87194448 queued_write_lock include/asm-generic/qrwlock.h:97 [inline] __raw_write_lock_bh include/linux/rwlock_api_smp.h:204 [inline] _raw_write_lock_bh+0x10a/0x170 kernel/locking/spinlock.c:324 neigh_forced_gc net/core/neighbour.c:236 [inline] neigh_alloc net/core/neighbour.c:429 [inline] ___neigh_create+0x1f3/0x1bd0 net/core/neighbour.c:591 __neigh_create+0x32/0x40 net/core/neighbour.c:679 ip6_finish_output2+0x9ee/0x16e0 net/ipv6/ip6_output.c:123 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:197 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:207 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:230 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:509 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3977 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 __do_softirq+0x26d/0x5bf kernel/softirq.c:565 invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__schedule+0xcd4/0x1590 Code: 44 24 48 42 0f 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 84 93 1c fc 48 89 c7 e8 dc 54 69 fc <48> 8b 44 24 50 48 c7 44 24 60 0e 36 e0 45 49 c7 44 05 00 00 00 00 RSP: 0018:ffffc900010d7780 EFLAGS: 00000282 RAX: 0000000080000001 RBX: 1ffff1103ee27081 RCX: 0000000000000002 RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001 RBP: ffffc900010d7868 R08: dffffc0000000000 R09: ffffed102456bc59 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888122b5e2c0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8881f7138408 preempt_schedule_common+0x9b/0xf0 kernel/sched/core.c:6688 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6713 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x60/0x70 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:403 [inline] fasync_insert_entry+0x223/0x2e0 fs/fcntl.c:954 fasync_add_entry fs/fcntl.c:977 [inline] fasync_helper+0x52/0xa0 fs/fcntl.c:995 perf_fasync+0x84/0xa0 kernel/events/core.c:6524 ioctl_fioasync fs/ioctl.c:383 [inline] do_vfs_ioctl+0x1272/0x2a80 fs/ioctl.c:795 __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 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f36ddbc9e79 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:00007f36dc847038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f36ddd65f80 RCX: 00007f36ddbc9e79 RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005 RBP: 00007f36ddc37916 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f36ddd65f80 R15: 00007ffdca523e18