watchdog: BUG: soft lockup - CPU#0 stuck for 141s! [syz.1.135:865]
Modules linked in:
CPU: 0 PID: 865 Comm: syz.1.135 Not tainted 6.1.90-syzkaller-00004-g79436849ef1d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:unwind_next_frame+0x3bc/0x700 arch/x86/kernel/unwind_frame.c:315
Code: 98 74 0b 48 8b 7d d0 e8 62 03 00 00 eb 1c 48 8b 5d d0 48 89 d8 48 c1 e8 03 80 3c 10 00 74 08 48 89 df e8 47 ec 84 00 48 8b 03 <4c> 89 f7 48 89 45 d0 48 89 c6 e8 45 03 00 00 89 c1 b0 01 84 c9 0f
RSP: 0018:ffffc90000007418 EFLAGS: 00000246
RAX: ffffc9000bf27890 RBX: ffffc9000bf27878 RCX: ffffffff877a1000
RDX: dffffc0000000000 RSI: ffffffff81c63fd5 RDI: ffffc9000bf27f48
RBP: ffffc90000007490 R08: ffffc90000007588 R09: 0000000000000019
R10: ffffc90000007590 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900000074f0 R14: ffffc900000074a0 R15: 1ffff92000000e94
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ae96e51b8 CR3: 0000000128720000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 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_slab_alloc+0x6c/0x80 mm/kasan/common.c:333
 kasan_slab_alloc include/linux/kasan.h:202 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:768
 slab_alloc_node mm/slub.c:3421 [inline]
 slab_alloc mm/slub.c:3429 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3436 [inline]
 kmem_cache_alloc+0x175/0x2c0 mm/slub.c:3445
 dst_alloc+0x164/0x1e0 net/core/dst.c:92
 ip6_dst_alloc net/ipv6/route.c:345 [inline]
 icmp6_dst_alloc+0xf8/0x510 net/ipv6/route.c:3266
 ndisc_send_skb+0x28b/0xdc0 net/ipv6/ndisc.c:489
 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
 __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
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:rfc2863_policy+0x1bb/0x2b0 net/core/link_watch.c:61
Code: 0e 01 49 81 c7 21 02 00 00 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 b1 00 00 00 41 0f b6 1f <48> 89 df 48 c7 c6 40 0a 58 87 e8 16 5c 64 fd 83 fb 01 74 23 83 fb
RSP: 0018:ffffc9000bf27608 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000bf27580
RBP: ffffc9000bf27638 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000002
R13: dffffc0000000002 R14: 1ffff11025d04844 R15: ffff88812e824221
 linkwatch_do_dev+0x3c/0x160 net/core/link_watch.c:161
 linkwatch_forget_dev+0x183/0x1a0 net/core/link_watch.c:250
 netdev_run_todo+0x20c/0xd00 net/core/dev.c:10396
 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:147
 tun_detach drivers/net/tun.c:704 [inline]
 tun_chr_close+0xc4/0x140 drivers/net/tun.c:3489
 __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: 0033:0x7f89d47799f9
Code: Unable to access opcode bytes at 0x7f89d47799cf.
RSP: 002b:00007f89d5617038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f89d4915f80 RCX: 00007f89d47799f9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f89d47e78ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f89d4915f80 R15: 00007fff1847dc78
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1333 Comm: syz-executor Not tainted 6.1.90-syzkaller-00004-g79436849ef1d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:queued_write_lock_slowpath+0x15c/0x547 kernel/locking/qrwlock.c:85
Code: 00 00 bb ff 00 00 00 43 0f b6 44 3d 00 84 c0 74 38 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 2b 4c 89 f7 e8 78 2a 9d fc eb 21 f3 90 <43> 0f b6 44 3d 00 84 c0 74 15 44 89 f1 80 e1 07 80 c1 03 38 c1 7c
RSP: 0018:ffffc90000da6de0 EFLAGS: 00000206
RAX: 00000000000001ff RBX: 00000000000000ff RCX: ffffffff851f95cc
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff87a1ee20
RBP: ffffc90000da6e90 R08: dffffc0000000000 R09: fffffbfff0f43dc5
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001b4dc6
R13: 1ffffffff0f43dc4 R14: ffffffff87a1ee20 R15: dffffc0000000000
FS:  0000555555bc5500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2cbbe59507 CR3: 00000001364c3000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 queued_write_lock include/asm-generic/qrwlock.h:101 [inline]
 __raw_write_lock include/linux/rwlock_api_smp.h:210 [inline]
 _raw_write_lock+0x10a/0x170 kernel/locking/spinlock.c:300
 register_netdevice+0xe51/0x1490 net/core/dev.c:10107
 macsec_newlink+0x551/0xc10 drivers/net/macsec.c:4074
 rtnl_newlink_create net/core/rtnetlink.c:3390 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3610 [inline]
 rtnl_newlink+0x14c6/0x2030 net/core/rtnetlink.c:3623
 rtnetlink_rcv_msg+0x9a5/0xca0 net/core/rtnetlink.c:6121
 netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2518
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6139
 netlink_unicast_kernel net/netlink/af_netlink.c:1327 [inline]
 netlink_unicast+0x906/0xab0 net/netlink/af_netlink.c:1353
 netlink_sendmsg+0xa15/0xd30 net/netlink/af_netlink.c:1875
 sock_sendmsg_nosec net/socket.c:716 [inline]
 __sock_sendmsg net/socket.c:728 [inline]
 __sys_sendto+0x480/0x600 net/socket.c:2138
 __do_sys_sendto net/socket.c:2150 [inline]
 __se_sys_sendto net/socket.c:2146 [inline]
 __x64_sys_sendto+0xe5/0x100 net/socket.c:2146
 x64_sys_call+0x15c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f291497b733
Code: 64 89 02 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 80 3d 11 0e 17 00 00 41 89 ca 74 14 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24
RSP: 002b:00007ffca636c3f8 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f2915644620 RCX: 00007f291497b733
RDX: 0000000000000044 RSI: 00007f2915644670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffca636c414 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f2915644670 R15: 0000000000000000
 </TASK>