watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.0.1328:7092]
Modules linked in:
CPU: 1 PID: 7092 Comm: syz.0.1328 Tainted: G W 6.1.93-syzkaller-00100-g27310ed6b677 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:ether_addr_equal_64bits include/linux/etherdevice.h:378 [inline]
RIP: 0010:eth_skb_pkt_type include/linux/etherdevice.h:609 [inline]
RIP: 0010:eth_type_trans+0x2c1/0x710 net/ethernet/eth.c:167
Code: 80 3c 28 00 74 08 4c 89 f7 e8 2b 7a 9c fd 4d 8b 36 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 12 7a 9c fd 49 8b 1f <4c> 31 f3 49 bf ff ff ff ff ff ff 00 00 48 89 de 4c 21 fe 31 ff e8
RSP: 0018:ffffc900001b01a0 EFLAGS: 00000246
RAX: 1ffff11021911ae5 RBX: 0000300179fffef6 RCX: ffff8881237d9440
RDX: 0000000000000300 RSI: 0000000000000002 RDI: 000000000000ffff
RBP: ffffc900001b0298 R08: ffffffff8420579f R09: ffffffff8409d32c
R10: 0000000000000002 R11: ffff8881237d9440 R12: ffff88811995f002
R13: dffffc0000000000 R14: aaaa020000003333 R15: ffff88810c88d728
FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31c00ff8 CR3: 000000012ebb0000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
__dev_forward_skb2+0x2e5/0x820 net/core/dev.c:2172
__dev_forward_skb+0x22/0x30 net/core/dev.c:2181
veth_forward_skb drivers/net/veth.c:288 [inline]
veth_xmit+0x315/0x940 drivers/net/veth.c:343
__netdev_start_xmit include/linux/netdevice.h:4908 [inline]
netdev_start_xmit include/linux/netdevice.h:4922 [inline]
xmit_one net/core/dev.c:3634 [inline]
dev_hard_start_xmit+0x1de/0x630 net/core/dev.c:3650
__dev_queue_xmit+0x18a4/0x36e0 net/core/dev.c:4300
dev_queue_xmit include/linux/netdevice.h:3076 [inline]
neigh_resolve_output+0x6e3/0x7f0 net/core/neighbour.c:1563
neigh_output include/net/neighbour.h:552 [inline]
ip6_finish_output2+0x122b/0x1840 net/ipv6/ip6_output.c:134
__ip6_finish_output net/ipv6/ip6_output.c:201 [inline]
ip6_finish_output+0x50f/0xa60 net/ipv6/ip6_output.c:212
NF_HOOK_COND include/linux/netfilter.h:294 [inline]
ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:233
dst_output include/net/dst.h:444 [inline]
NF_HOOK include/linux/netfilter.h:305 [inline]
ndisc_send_skb+0x7cf/0xdc0 net/ipv6/ndisc.c:509
ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:719
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
handle_softirqs+0x1db/0x650 kernel/softirq.c:617
__do_softirq kernel/softirq.c:655 [inline]
invoke_softirq kernel/softirq.c:472 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:704
irq_exit_rcu+0x9/0x10 kernel/softirq.c:716
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:stack_trace_consume_entry+0xe1/0x290 kernel/stacktrace.c:93
Code: ce e8 13 0b 57 00 4d 89 f1 4c 8b 45 d0 4c 8b 55 c8 4c 89 ee 48 ba 00 00 00 00 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
RSP: 0018:ffffc90000b171c8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 000000000000000b RCX: ffffffff879a2000
RDX: dffffc0000000000 RSI: ffffffff81459eea RDI: ffffc90000b1730c
RBP: ffffc90000b17210 R08: ffffc90000b17308 R09: 000000000000000a
R10: ffffc90000b17310 R11: dffffc0000000001 R12: 1ffff92000162e61
R13: 1ffff92000162e61 R14: ffffc90000b173e0 R15: 1ffff92000162e62
arch_stack_walk+0x101/0x140 arch/x86/kernel/stacktrace.c:27
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
irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:316
irqentry_exit+0x12/0x40 kernel/entry/common.c:419
sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0033:0x7f1b4197cef9
Code: Unable to access opcode bytes at 0x7f1b4197cecf.
RSP: 002b:00007f1b4273e038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f1b41b35f80 RCX: 00007f1b4197cef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f1b419ef046 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1b41b35f80 R15: 00007ffec82b8728
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15 Comm: rcub/0 Tainted: G W 6.1.93-syzkaller-00100-g27310ed6b677 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:rt_mutex_waiter_is_top_waiter kernel/locking/rtmutex_common.h:106 [inline]
RIP: 0010:rtmutex_spin_on_owner kernel/locking/rtmutex.c:1435 [inline]
RIP: 0010:rt_mutex_slowlock_block+0x37c/0x5a0 kernel/locking/rtmutex.c:1567
Code: fc 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 f7 7a 9d fc 49 f7 45 00 08 00 00 00 75 7c 48 8b 45 98 42 80 3c 20 00 <4c> 8b 75 90 74 08 4c 89 f7 e8 d6 7a 9d fc 4d 39 3e 4c 8b 75 c8 75
RSP: 0018:ffffc900000f7bf0 EFLAGS: 00000246
RAX: 1ffffffff0e36ba8 RBX: ffff8881237d9454 RCX: ffffffff851f5743
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881003a3cc0
RBP: ffffc900000f7c90 R08: dffffc0000000000 R09: ffffed1020074799
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881003a3cc0 R14: ffffffff871b5d30 R15: ffffc900000f7ce0
FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fde99501ff8 CR3: 0000000111b84000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
__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