RBP: 00007efd4ddb5f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007efd4ddb5f8c
R13: 0000000000000000 R14: 00007ffc71dbce70 R15: 00007ffc71dbcf58
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 232s! [syz.4.163:1111]
Modules linked in:
CPU: 1 PID: 1111 Comm: syz.4.163 Not tainted 5.15.167-syzkaller-02003-g5e4635681cf1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 2e e4 ce 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:ffffc900001d05f8 EFLAGS: 00000207
RAX: ffff88823fe40000 RBX: 0000000000000010 RCX: 0000000000000e01
RDX: ffffc900001d06d8 RSI: 0000000000000001 RDI: 0000000000000a20
RBP: ffffc900001d0650 R08: 0000000000000002 R09: 0000000000000010
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810cdb2c50
R13: ffffc900001d0660 R14: 00000000a264be01 R15: 0000000000000010
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 0000000006a0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 kasan_save_stack mm/kasan/common.c:39 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 __kasan_slab_alloc+0xc3/0xe0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3240 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253
 dst_alloc+0x164/0x1e0 net/core/dst.c:92
 ip6_dst_alloc net/ipv6/route.c:342 [inline]
 icmp6_dst_alloc+0xfc/0x560 net/ipv6/route.c:3275
 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+0xd02/0x1590 kernel/sched/core.c:6520
Code: 50 48 c7 44 24 60 0e 36 e0 45 49 c7 44 05 00 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 a0 00 00 00 0f 85 ab 05 00 00 <48> 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 4c 89 f7 e8 a7 4c 69
RSP: 0018:ffffc900009c70a0 EFLAGS: 00000246
RAX: 1f6769122fee2c00 RBX: ffff88810c2a8528 RCX: 0000000000000002
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900009c7190 R08: ffffffff8191f919 R09: fffffbfff0e53363
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7038388
R13: dffffc0000000000 R14: ffff88810c2a8000 R15: 1ffff110218550a5
 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:unwind_next_frame+0x5a9/0x700 arch/x86/kernel/unwind_frame.c:360
Code: f7 e8 eb 05 00 00 48 ba 00 00 00 00 00 fc ff df 41 0f b6 04 17 84 c0 0f 85 b6 00 00 00 41 c7 06 00 00 00 00 31 c0 48 83 c4 50 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 44 89 f1 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900009c7328 EFLAGS: 00000286
RAX: 00000000009c7301 RBX: ffffc900009c7988 RCX: 00000000009c7301
RDX: 1ffff92000138e6e RSI: ffffc900009c79a0 RDI: ffffc900009c73b8
RBP: ffffc900009c7350 R08: ffffc900009c7448 R09: 0000000000000007
R10: ffffc900009c7450 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900009c73b0 R14: ffffc900009c7360 R15: 1ffff92000138e6c
 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: 0033:0x7efd4dbfdff9
Code: Unable to access opcode bytes at RIP 0x7efd4dbfdfcf.
RSP: 002b:00007efd4c8770e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007efd4ddb5f88 RCX: 00007efd4dbfdff9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007efd4ddb5f88
RBP: 00007efd4ddb5f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007efd4ddb5f8c
R13: 0000000000000000 R14: 00007ffc71dbce70 R15: 00007ffc71dbcf58
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2326 Comm: syz.0.325 Not tainted 5.15.167-syzkaller-02003-g5e4635681cf1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__hrtimer_run_queues+0x6/0xad0 kernel/time/hrtimer.c:1721
Code: 86 4c 89 f6 e8 ab 9f 24 01 e9 b6 f5 ff ff e8 21 71 0f 00 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 00 01 00 00 41 89 cd 48
RSP: 0018:ffffc90000007b00 EFLAGS: 00000006
RAX: ffffffff8160df64 RBX: 7fffffffffffffff RCX: 000000000000000f
RDX: 0000000000000046 RSI: 0000010adf83c68f RDI: ffff8881f7029a00
RBP: ffffc90000007b08 R08: ffffffff8160df5a R09: 0000000000000003
R10: fffff52000000f50 R11: dffffc0000000001 R12: ffff8881f7029a00
R13: 0000000000000002 R14: ffff8881f7029a30 R15: 0000010adf83c68f
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc5d90cf5b0 CR3: 0000000006a0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_interrupt+0x40c/0xaa0 kernel/time/hrtimer.c:1813
 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:wg_expired_retransmit_handshake+0x1c5/0x240 drivers/net/wireguard/timers.c:77
Code: 31 ff 89 de e8 3c a7 6d fe 85 db 75 2e 49 81 c7 a8 00 00 00 e8 9c a4 6d fe 4c 89 ff 4c 89 f6 e8 a1 a0 5d fe e8 2c 05 00 00 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 e8 7c a4 6d fe eb e9 e8 75 a4 6d fe
RSP: 0018:ffffc90000007d30 EFLAGS: 00000202
RAX: 0000000000000101 RBX: ffff8881f7027900 RCX: 0000000000000102
RDX: 0000000000000100 RSI: 0000000000000200 RDI: 0000000000000001
RBP: ffffc90000007d50 R08: ffffffff814804f6 R09: 0000000000000003
R10: fffff52000000f30 R11: dffffc0000000001 R12: ffff88813085e740
R13: ffff88813085ec18 R14: 1ffff1102610bd83 R15: ffff88813085eb00
 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:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:227 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x34/0x80 kernel/kcov.c:300
Code: 8b 0d b0 11 92 7e 65 8b 05 b1 11 92 7e 25 00 01 ff 00 74 10 3d 00 01 00 00 75 57 83 b9 5c 0b 00 00 00 74 4e 8b 81 38 0b 00 00 <83> f8 03 75 43 48 8b 91 40 0b 00 00 44 8b 89 3c 0b 00 00 49 c1 e1
RSP: 0018:ffffc900017174b0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 4000000000000002 RCX: ffff88810a6893c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900017174b0 R08: ffffffff81a72674 R09: fffff940009c3541
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0004e1aa08
R13: ffffea0004e1aa00 R14: 1ffffd40009c3541 R15: dffffc0000000000
 constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline]
 PageCompound include/linux/page-flags.h:219 [inline]
 page_mapcount include/linux/mm.h:921 [inline]
 zap_pte_range mm/memory.c:1438 [inline]
 zap_pmd_range mm/memory.c:1562 [inline]
 zap_pud_range mm/memory.c:1591 [inline]
 zap_p4d_range mm/memory.c:1612 [inline]
 unmap_page_range+0x1164/0x1ed0 mm/memory.c:1633
 unmap_single_vma mm/memory.c:1678 [inline]
 unmap_vmas+0x389/0x560 mm/memory.c:1710
 exit_mmap+0x3e4/0x940 mm/mmap.c:3215
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:867
 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: 0033:0x7f3239b73ff9
Code: Unable to access opcode bytes at RIP 0x7f3239b73fcf.
RSP: 002b:00007f32387ed038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: fffffffffffffff5 RBX: 00007f3239d2bf80 RCX: 00007f3239b73ff9
RDX: 0000000000000080 RSI: 0000000020000300 RDI: 0000000000000005
RBP: 00007f3239be6296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3239d2bf80 R15: 00007ffc26169e38
 </TASK>