watchdog: BUG: soft lockup - CPU#0 stuck for 226s! [syz.0.932:3325]
Modules linked in:
CPU: 0 PID: 3325 Comm: syz.0.932 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:arch_atomic_fetch_sub arch/x86/include/asm/atomic.h:190 [inline]
RIP: 0010:atomic_fetch_sub_release include/linux/atomic/atomic-instrumented.h:168 [inline]
RIP: 0010:__refcount_sub_and_test include/linux/refcount.h:272 [inline]
RIP: 0010:__refcount_dec_and_test include/linux/refcount.h:315 [inline]
RIP: 0010:refcount_dec_and_test include/linux/refcount.h:333 [inline]
RIP: 0010:sock_put include/net/sock.h:1912 [inline]
RIP: 0010:tipc_sk_rcv+0x1323/0x1c40 net/tipc/socket.c:2502
Code: 48 8d b4 24 80 01 00 00 e8 0a f5 fe ff 48 8b 7c 24 30 48 83 ef 80 48 89 7c 24 30 be 04 00 00 00 e8 22 3d 08 fd bb ff ff ff ff <f0> 41 0f c1 9d 80 00 00 00 bf 01 00 00 00 89 de e8 f8 2f c9 fc 83
RSP: 0018:ffffc900019fe840 EFLAGS: 00000256
RAX: 0000000000000001 RBX: 00000000ffffffff RCX: ffffffff84a52efe
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88812976f4c0
RBP: ffffc900019fea90 R08: dffffc0000000000 R09: ffffed10252ede99
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88812976f440 R14: 0000000044c0a0d4 R15: ffffc900019fec80
FS:  00007f7cdf2576c0(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7cdf256f98 CR3: 00000001177d5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
 tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1783
 tipc_sk_rcv+0x1306/0x1c40 net/tipc/socket.c:2501
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_sk_push_backlog+0x4da/0x7b0 net/tipc/socket.c:1316
 tipc_sk_conn_proto_rcv net/tipc/socket.c:1370 [inline]
 tipc_sk_proto_rcv+0xad2/0x1750 net/tipc/socket.c:2158
 tipc_sk_filter_rcv+0x3152/0x3380 net/tipc/socket.c:2352
 tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
 tipc_sk_rcv+0x815/0x1c40 net/tipc/socket.c:2497
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_node_xmit_skb net/tipc/node.c:1768 [inline]
 tipc_node_distr_xmit+0x36a/0x4d0 net/tipc/node.c:1783
 tipc_sk_backlog_rcv+0x18b/0x210 net/tipc/socket.c:2412
 sk_backlog_rcv include/net/sock.h:1059 [inline]
 __release_sock+0x145/0x410 net/core/sock.c:2724
 release_sock net/core/sock.c:3265 [inline]
 sock_setsockopt+0x17f0/0x2e80 net/core/sock.c:1378
 __sys_setsockopt+0x423/0x840 net/socket.c:2194
 __do_sys_setsockopt net/socket.c:2209 [inline]
 __se_sys_setsockopt net/socket.c:2206 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2206
 x64_sys_call+0x1a2/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:55
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7cdf7f5ef9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7cdf257038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f7cdf9af058 RCX: 00007f7cdf7f5ef9
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003
RBP: 00007f7cdf868046 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f7cdf9af058 R15: 00007ffd4d748038
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3324 Comm: syz.0.932 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x5ba/0xc40 kernel/locking/qspinlock.c:508
Code: 00 00 49 89 dc c6 03 00 48 8b 44 24 10 0f b6 04 10 84 c0 0f 85 48 01 00 00 48 8b 44 24 08 c6 00 01 bb 00 80 ff ff eb 06 f3 90 <ff> c3 74 5e 41 0f b6 44 15 00 84 c0 75 36 41 80 3f 00 75 ea 4c 89
RSP: 0018:ffffc90001817720 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 00000000ffffe4a9 RCX: ffffffff8153efef
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88812976f4c8
RBP: ffffc90001817810 R08: dffffc0000000000 R09: ffffed10252ede9a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7338294
R13: 1ffff110252ede99 R14: 1ffff1103ee60001 R15: ffff88812976f4c8
FS:  00007f7cdf2786c0(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 00000001177d5000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [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:187 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
 spin_lock_bh include/linux/spinlock.h:368 [inline]
 lock_sock_nested+0x97/0x300 net/core/sock.c:3253
 lock_sock include/net/sock.h:1668 [inline]
 tipc_sendstream+0x47/0x70 net/tipc/socket.c:1549
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2431
 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2485
 __sys_sendmsg net/socket.c:2514 [inline]
 __do_sys_sendmsg net/socket.c:2523 [inline]
 __se_sys_sendmsg+0x19a/0x260 net/socket.c:2521
 __x64_sys_sendmsg+0x7b/0x90 net/socket.c:2521
 x64_sys_call+0x16a/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f7cdf7f5ef9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7cdf278038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f7cdf9aef80 RCX: 00007f7cdf7f5ef9
RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000004
RBP: 00007f7cdf868046 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7cdf9aef80 R15: 00007ffd4d748038
 </TASK>