RBP: 00007fdbed45a32e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdbed59f058 R15: 00007fffcfda5a38
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.6.1683:8603]
Modules linked in:
CPU: 1 PID: 8603 Comm: syz.6.1683 Tainted: G        W         5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:update_stack_state+0xb2/0x460 arch/x86/kernel/unwind_frame.c:202
Code: 48 89 df e8 90 29 76 00 48 8b 03 48 83 c0 10 48 89 45 98 48 8b 45 c0 89 c2 83 e2 01 48 f7 da 48 89 c1 48 83 e1 fe 48 89 4d 88 <48> 21 ca 48 89 95 78 ff ff ff 74 26 49 8d 5f 35 48 89 d8 48 c1 e8
RSP: 0018:ffffc900001703f0 EFLAGS: 00000286
RAX: ffffc90000b379c0 RBX: ffffc90000170578 RCX: ffffc90000b379c0
RDX: 0000000000000000 RSI: ffffc90000b379c0 RDI: ffffc90000170598
RBP: ffffc900001704a8 R08: ffffc90000170628 R09: 0000000000000028
R10: ffffc90000170630 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc90000170590 R14: dffffc0000000000 R15: ffffc90000170540
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cd16ff8 CR3: 000000000660f000 CR4: 00000000003506a0
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:305
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 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_kmalloc+0xdb/0x110 mm/kasan/common.c:509
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 kmem_cache_alloc_trace+0x18a/0x2e0 mm/slub.c:2974
 kmalloc include/linux/slab.h:552 [inline]
 dst_cow_metrics_generic+0x55/0x1c0 net/core/dst.c:201
 dst_metrics_write_ptr include/net/dst.h:117 [inline]
 dst_metric_set include/net/dst.h:178 [inline]
 icmp6_dst_alloc+0x385/0x560 net/ipv6/route.c:3177
 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:__schedule+0x0/0x1330 kernel/sched/core.c:4686
Code: 59 bf 86 4c 89 25 30 03 0e 02 eb 05 e8 39 56 b9 fc 48 c7 c7 20 fc 12 87 e8 6d 33 01 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00
RSP: 0018:ffffc90000b37178 EFLAGS: 00000246
RAX: 1ffff1102336bd9e RBX: 1ffff92000166e34 RCX: ffffffff84b29800
RDX: 1ffffffff0e10808 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000b37210 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffc90000b371a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000166e30
 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:fsnotify_grab_connector+0x47/0x120 fs/notify/mark.c:554
Code: a7 ff 48 c7 c7 e0 1a 0e 87 e8 d5 b6 93 ff 41 89 c6 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 3c 48 e5 ff 4c 8b 23 <4d> 85 e4 74 5b 4c 89 e7 e8 6c 84 ef 02 4d 8d 7c 24 04 4c 89 f8 48
RSP: 0018:ffffc90000b37300 EFLAGS: 00000246
RAX: 1ffff11023852689 RBX: ffff88811c293448 RCX: ffff888119b5e2c0
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff870e1bb8
RBP: ffffc90000b37328 R08: dffffc0000000000 R09: ffffed103ee2ae72
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000
 fsnotify_destroy_marks+0x21/0x5b0 fs/notify/mark.c:802
 fsnotify_clear_marks_by_inode fs/notify/fsnotify.h:45 [inline]
 __fsnotify_inode_delete+0x1c/0x20 fs/notify/fsnotify.c:22
 fsnotify_inode_delete include/linux/fsnotify.h:190 [inline]
 __destroy_inode+0x181/0x4e0 fs/inode.c:259
 destroy_inode fs/inode.c:281 [inline]
 evict+0x841/0x9c0 fs/inode.c:629
 iput_final fs/inode.c:1732 [inline]
 iput+0x632/0x7e0 fs/inode.c:1758
 dentry_unlink_inode+0x2ea/0x3d0 fs/dcache.c:378
 __dentry_kill+0x447/0x650 fs/dcache.c:583
 shrink_dentry_list+0x38a/0x4e0 fs/dcache.c:1146
 shrink_dcache_parent+0xc9/0x340
 do_one_tree+0x28/0x4a0 fs/dcache.c:1627
 shrink_dcache_for_umount+0x7d/0x120 fs/dcache.c:1644
 generic_shutdown_super+0x69/0x2d0 fs/super.c:447
 kill_anon_super+0x3d/0x70 fs/super.c:1129
 proc_kill_sb+0x8d/0xd0 fs/proc/root.c:275
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 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: 0033:0x7fdbed3e7719
Code: Unable to access opcode bytes at RIP 0x7fdbed3e76ef.
RSP: 002b:00007fdbec03f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fdbed59f058 RCX: 00007fdbed3e7719
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000004
RBP: 00007fdbed45a32e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdbed59f058 R15: 00007fffcfda5a38
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8886 Comm: kworker/u4:5 Tainted: G        W         5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x60 kernel/kcov.c:190
Code: 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d e4 ff 78 05 48 89 de e8 54 f0 3c 00 5b 5d c3 cc 55 <48> 89 e5 48 8b 45 08 65 48 8b 0d 80 c0 97 7e 65 8b 15 85 c0 97 7e
RSP: 0018:ffffc90000fa7710 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff920001f4eed RCX: ffff88811f0f62c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000fa7810 R08: ffffffff815fc2a6 R09: ffffed103ee2aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90000fa7768 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbb6eae6c0c CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 smp_call_function_many_cond+0x94e/0xa30 kernel/smp.c:653
 smp_call_function_many kernel/smp.c:716 [inline]
 smp_call_function kernel/smp.c:738 [inline]
 on_each_cpu+0xa8/0x1a0 kernel/smp.c:837
 text_poke_sync arch/x86/kernel/alternative.c:1318 [inline]
 text_poke_bp_batch+0x1d4/0x600 arch/x86/kernel/alternative.c:1509
 text_poke_flush arch/x86/kernel/alternative.c:1677 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1684
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:126
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459
 jump_label_update+0x379/0x400 kernel/jump_label.c:825
 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177
 static_key_enable+0x1a/0x30 kernel/jump_label.c:190
 toggle_allocation_gate+0xbf/0x450 mm/kfence/core.c:624
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298