watchdog: BUG: soft lockup - CPU#0 stuck for 118s! [syz.2.964:5350]
Modules linked in:
CPU: 0 PID: 5350 Comm: syz.2.964 Not tainted 6.1.90-syzkaller-00026-g514bdc80b9d2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:unwind_get_return_address+0x0/0x90 arch/x86/kernel/unwind_frame.c:15
Code: 5d c3 48 c7 c1 00 18 ee 86 80 e1 07 80 c1 03 38 c1 7c af 48 c7 c7 00 18 ee 86 e8 fb f9 84 00 eb a1 cc cc cc cc cc cc cc cc cc <55> 48 89 e5 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df
RSP: 0018:ffffc90000007718 EFLAGS: 00000202
RAX: 0000000000007701 RBX: ffffc90000007720 RCX: 0000000000007701
RDX: 1ffff92000000ee6 RSI: ffffc900031c77e8 RDI: ffffc90000007720
RBP: ffffc900000077b0 R08: ffffc90000007808 R09: 000000000000001a
R10: ffffc90000007810 R11: dffffc0000000001 R12: ffff888124e19440
R13: ffffffff8165c6c0 R14: ffffc90000007800 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f305e645000 CR3: 00000001db1e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:45 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x9c/0xb0 mm/kasan/common.c:388
kasan_kmalloc include/linux/kasan.h:212 [inline]
__do_kmalloc_node mm/slab_common.c:957 [inline]
__kmalloc_node_track_caller+0xb3/0x1e0 mm/slab_common.c:977
kmalloc_reserve net/core/skbuff.c:446 [inline]
__alloc_skb+0x125/0x2d0 net/core/skbuff.c:515
alloc_skb include/linux/skbuff.h:1290 [inline]
ndisc_alloc_skb+0xf3/0x2d0 net/ipv6/ndisc.c:422
ndisc_send_rs+0x264/0x5f0 net/ipv6/ndisc.c:703
addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3984
call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
expire_timers kernel/time/timer.c:1555 [inline]
__run_timers+0x72a/0xa10 kernel/time/timer.c:1826
run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
__do_softirq+0x1d8/0x661 kernel/softirq.c:617
invoke_softirq kernel/softirq.c:472 [inline]
__irq_exit_rcu+0x50/0xf0 kernel/softirq.c:700
irq_exit_rcu+0x9/0x10 kernel/softirq.c:712
sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__kernel_text_address+0x0/0x40 kernel/extable.c:78
Code: 89 f0 5b 41 5e 5d c3 48 c7 c1 c0 55 72 87 80 e1 07 80 c1 03 38 c1 7c c3 48 c7 c7 c0 55 72 87 e8 26 09 70 00 eb b5 0f 1f 40 00 <55> 48 89 e5 53 48 89 fb e8 33 00 00 00 85 c0 0f 95 c0 48 c7 c1 00
RSP: 0018:ffffc900031c71f0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900031c7268 RCX: 00000000031c7201
RDX: 1ffff92000638e46 RSI: ffffc900031c7390 RDI: ffffffff81c26736
RBP: ffffc900031c7210 R08: ffffc900031c7308 R09: 0000000000000000
R10: ffffc900031c7310 R11: dffffc0000000001 R12: ffff888124e19440
R13: ffffffff8165c6c0 R14: dffffc0000000000 R15: 1ffff92000638e4d
arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
save_stack+0xf6/0x1e0 mm/page_owner.c:147
__reset_page_owner+0x54/0x190 mm/page_owner.c:168
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1498 [inline]
free_pcp_prepare mm/page_alloc.c:1572 [inline]
free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3498
free_unref_page+0xb2/0x5c0 mm/page_alloc.c:3594
free_the_page mm/page_alloc.c:798 [inline]
__free_pages+0x61/0xf0 mm/page_alloc.c:5803
__vunmap+0x9f3/0xb60 mm/vmalloc.c:2728
__vfree mm/vmalloc.c:2776 [inline]
vfree+0x5c/0x80 mm/vmalloc.c:2807
kcov_put kernel/kcov.c:428 [inline]
kcov_close+0x2b/0x50 kernel/kcov.c:524
__fput+0x3ab/0x870 fs/file_table.c:320
____fput+0x15/0x20 fs/file_table.c:348
task_work_run+0x24d/0x2e0 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xbd5/0x2b80 kernel/exit.c:875
do_group_exit+0x21a/0x2d0 kernel/exit.c:1025
get_signal+0x169d/0x1820 kernel/signal.c:2880
arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:174
exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f793f779e79
Code: Unable to access opcode bytes at 0x7f793f779e4f.
RSP: 002b:00007f79405600e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007f793f915f88 RCX: 00007f793f779e79
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f793f915f8c
RBP: 00007f793f915f80 R08: 00007ffe92f9a0b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f793f915f8c
R13: 0000000000000000 R14: 00007ffe92dfbee0 R15: 00007ffe92dfbfc8
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 15 Comm: rcub/0 Not tainted 6.1.90-syzkaller-00026-g514bdc80b9d2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x5d/0x60 kernel/kcov.c:225
Code: 0b 00 00 83 fa 02 75 21 48 8b 91 50 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 4c 0b 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 5d 66 90 55 48 89 e5 4c 8b 45 08 65 48 8b 15 c0 c7 8c 7e 65 8b 05
RSP: 0018:ffffc900001b0df0 EFLAGS: 00000046
RAX: ffffffff81677bbc RBX: 0000000005c2988c RCX: ffff8881003a6540
RDX: 0000000080010000 RSI: 0000000000000018 RDI: 0000000000000040
RBP: ffffc900001b0e20 R08: ffffffff81677bb1 R09: ffffffff816a16cd
R10: 0000000000000002 R11: ffff8881003a6540 R12: 0000000000043d82
R13: 0000014810ba11d8 R14: 0000000000000018 R15: 003a3f35210ed844
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f305db16018 CR3: 0000000006e0f000 CR4: 00000000003506a0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
clockevents_program_event+0xe1/0x300 kernel/time/clockevents.c:326
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:1095 [inline]
__sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x95/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:rt_mutex_owner kernel/locking/rtmutex_common.h:138 [inline]
RIP: 0010:rtmutex_spin_on_owner kernel/locking/rtmutex.c:1417 [inline]
RIP: 0010:rt_mutex_slowlock_block+0x399/0x5a0 kernel/locking/rtmutex.c:1567
Code: 00 00 75 7c 48 8b 45 98 42 80 3c 20 00 4c 8b 75 90 74 08 4c 89 f7 e8 86 d2 9d fc 4d 39 3e 4c 8b 75 c8 75 5c f3 90 48 8b 45 b0 <42> 80 3c 20 00 48 8b 5d b8 0f 84 08 ff ff ff 48 89 df e8 60 d2 9d
RSP: 0018:ffffc900000f7bf0 EFLAGS: 00000246
RAX: 1ffffffff0df6b99 RBX: ffff888124e19454 RCX: ffffffff851ef763
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881003a6540
RBP: ffffc900000f7c90 R08: dffffc0000000000 R09: ffffed1020074ca9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881003a6540 R14: ffffffff86fb5cb0 R15: ffffc900000f7ce0
__rt_mutex_slowlock kernel/locking/rtmutex.c:1637 [inline]
__rt_mutex_slowlock_locked kernel/locking/rtmutex.c:1673 [inline]
rt_mutex_slowlock+0x19c/0x480 kernel/locking/rtmutex.c:1702
__rt_mutex_lock kernel/locking/rtmutex.c:1714 [inline]
__rt_mutex_lock_common kernel/locking/rtmutex_api.c:31 [inline]
rt_mutex_lock+0x145/0x210 kernel/locking/rtmutex_api.c:73
rcu_boost kernel/rcu/tree_plugin.h:1099 [inline]
rcu_boost_kthread+0x231/0x6e0 kernel/rcu/tree_plugin.h:1124
kthread+0x26d/0x300 kernel/kthread.c:386
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308