watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.4.7038:24797]
Modules linked in:
CPU: 1 PID: 24797 Comm: syz.4.7038 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:tipc_sk_lookup+0x564/0x600 net/tipc/socket.c:3004
Code: e8 41 e0 fd fc eb 05 e8 3a e0 fd fc 45 31 ed e8 d2 d0 eb fc 48 c7 44 24 60 0e 36 e0 45 48 8b 44 24 40 4a c7 04 20 00 00 00 00 <65> 48 8b 04 25 28 00 00 00 48 3b 84 24 a0 00 00 00 75 58 4c 89 e8
RSP: 0018:ffffc90001076900 EFLAGS: 00000246
RAX: 1ffff9200020ed2c RBX: ffff888122844580 RCX: 0000000000000009
RDX: 0000000000000000 RSI: ffffffff84e7af80 RDI: ffffffff854062a0
RBP: ffffc900010769f0 R08: ffff888122844583 R09: 1ffff110245088b0
R10: dffffc0000000000 R11: ffffed10245088b1 R12: dffffc0000000000
R13: ffff888122844500 R14: 0000000000000004 R15: fffffffffffffc18
FS:  00007f9feaca56c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000011bc90000 CR4: 00000000003506a0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 tipc_sk_rcv+0x350/0x1df0 net/tipc/socket.c:2490
 tipc_node_xmit+0x36c/0xd80 net/tipc/node.c:1674
 tipc_node_xmit_skb net/tipc/node.c:1739 [inline]
 tipc_node_distr_xmit+0x277/0x390 net/tipc/node.c:1754
 tipc_sk_rcv+0x1913/0x1df0 net/tipc/socket.c:2499
 tipc_node_xmit+0x36c/0xd80 net/tipc/node.c:1674
 tipc_sk_push_backlog net/tipc/socket.c:1306 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2255 [inline]
 tipc_sk_filter_rcv+0x19a8/0x3860 net/tipc/socket.c:2364
 tipc_sk_enqueue net/tipc/socket.c:2444 [inline]
 tipc_sk_rcv+0x745/0x1df0 net/tipc/socket.c:2495
 tipc_node_xmit+0x36c/0xd80 net/tipc/node.c:1674
 tipc_node_xmit_skb net/tipc/node.c:1739 [inline]
 tipc_node_distr_xmit+0x277/0x390 net/tipc/node.c:1754
 tipc_sk_backlog_rcv+0x174/0x220 net/tipc/socket.c:2412
 sk_backlog_rcv include/net/sock.h:1071 [inline]
 __release_sock+0x146/0x360 net/core/sock.c:2589
 release_sock net/core/sock.c:3142 [inline]
 sock_setsockopt+0x1801/0x2620 net/core/sock.c:1257
 __sys_setsockopt+0x272/0x480 net/socket.c:2143
 __do_sys_setsockopt net/socket.c:2158 [inline]
 __se_sys_setsockopt net/socket.c:2155 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2155
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f9fec26ce99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9feaca5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f9fec4f5090 RCX: 00007f9fec26ce99
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 00000000000000c6
RBP: 00007f9fec302eaf R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000540 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9fec4f5128 R14: 00007f9fec4f5090 R15: 00007fff35889d88
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 0 skipped: idling at default_idle+0x12/0x20 arch/x86/kernel/process.c:717