watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.1:16848]
Modules linked in:
CPU: 0 PID: 16848 Comm: syz-executor.1 Tainted: G        W         5.10.209-syzkaller-00002-g4e1bc8d8e8ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:preempt_count_add+0x8/0x1a0 kernel/sched/core.c:4449
Code: 1e 13 5f 00 e9 24 ff ff ff 48 c7 c7 00 26 6f 86 48 89 de e8 2a eb 25 01 e9 1e ff ff ff 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 <53> 89 fb 48 c7 c0 00 69 08 87 48 c1 e8 03 49 bf 00 00 00 00 00 fc
RSP: 0018:ffffc9000125e840 EFLAGS: 00000a06
RAX: f3f3f304f1f1f1f1 RBX: ffffc9000125e880 RCX: ffff888121bc93c0
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000201
RBP: ffffc9000125e850 R08: ffffffff8497f031 R09: ffffed102589e9f1
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200024bd0c
R13: ffff88812c4f4f88 R14: 000000002f7e6c47 R15: dffffc0000000000
FS:  00007fc6374136c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc6373d1d58 CR3: 0000000111006000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 </IRQ>
 __local_bh_disable_ip include/linux/bottom_half.h:12 [inline]
 __raw_spin_trylock_bh include/linux/spinlock_api_smp.h:181 [inline]
 _raw_spin_trylock_bh+0x6e/0x190 kernel/locking/spinlock.c:143
 spin_trylock_bh include/linux/spinlock.h:414 [inline]
 tipc_sk_rcv+0x4c2/0x1e30 net/tipc/socket.c:2492
 tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674
 tipc_node_xmit_skb net/tipc/node.c:1739 [inline]
 tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1754
 tipc_sk_rcv+0x177d/0x1e30 net/tipc/socket.c:2497
 tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674
 tipc_sk_push_backlog net/tipc/socket.c:1306 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2253 [inline]
 tipc_sk_filter_rcv+0x1da8/0x3e00 net/tipc/socket.c:2362
 tipc_sk_enqueue net/tipc/socket.c:2442 [inline]
 tipc_sk_rcv+0x8a1/0x1e30 net/tipc/socket.c:2493
 tipc_node_xmit+0x34b/0xe30 net/tipc/node.c:1674
 tipc_node_xmit_skb net/tipc/node.c:1739 [inline]
 tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1754
 tipc_sk_backlog_rcv+0x18b/0x210 net/tipc/socket.c:2410
 sk_backlog_rcv include/net/sock.h:1050 [inline]
 __release_sock+0x148/0x410 net/core/sock.c:2571
 release_sock net/core/sock.c:3122 [inline]
 sock_setsockopt+0x1e3b/0x2e00 net/core/sock.c:1257
 __sys_setsockopt+0x441/0x870 net/socket.c:2142
 __do_sys_setsockopt net/socket.c:2157 [inline]
 __se_sys_setsockopt net/socket.c:2154 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2154
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fc638723e69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc6374130c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fc6388522c0 RCX: 00007fc638723e69
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 000000000000004e
RBP: 00007fc63877047a R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc6388522c0 R15: 00007ffc8795fbb8
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 16849 Comm: syz-executor.1 Tainted: G        W         5.10.209-syzkaller-00002-g4e1bc8d8e8ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x5a1/0xc70 kernel/locking/qspinlock.c:508
Code: 85 ba 01 00 00 c6 03 00 48 8b 44 24 28 42 0f b6 04 30 84 c0 0f 85 bf 01 00 00 48 8b 04 24 c6 00 01 bb 00 80 ff ff eb 06 f3 90 <ff> c3 74 50 43 0f b6 44 35 00 84 c0 75 32 41 80 3c 24 00 75 e9 4c
RSP: 0018:ffffc9000126f740 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 00000000ffff9c90 RCX: ffffffff8150b554
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc9000126f6c0
RBP: ffffc9000126f830 R08: dffffc0000000000 R09: ffffed102589e9f2
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88812c4f4f88
R13: 1ffff1102589e9f1 R14: dffffc0000000000 R15: ffff88823ff523c0
FS:  00007fc6373f26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc6373d0d00 CR3: 0000000111006000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock include/linux/spinlock.h:183 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:175
 spin_lock_bh include/linux/spinlock.h:359 [inline]
 __lock_sock net/core/sock.c:2548 [inline]
 lock_sock_nested+0x1ec/0x300 net/core/sock.c:3107
 lock_sock include/net/sock.h:1640 [inline]
 tipc_sendstream+0x47/0x70 net/tipc/socket.c:1540
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2376
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2430
 __sys_sendmsg net/socket.c:2459 [inline]
 __do_sys_sendmsg net/socket.c:2468 [inline]
 __se_sys_sendmsg+0x1b1/0x280 net/socket.c:2466
 __x64_sys_sendmsg+0x7b/0x90 net/socket.c:2466
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fc638723e69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc6373f20c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc638852390 RCX: 00007fc638723e69
RDX: 0000000000000000 RSI: 0000000020001c40 RDI: 0000000000000052
RBP: 00007fc63877047a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fc638852390 R15: 00007ffc8795fbb8