watchdog: BUG: soft lockup - CPU#1 stuck for 131s! [syz.4.18867:5635]
Modules linked in:
CPU: 1 PID: 5635 Comm: syz.4.18867 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:memcmp lib/string.c:942 [inline]
RIP: 0010:bcmp+0x8c/0xd0 lib/string.c:964
Code: eb 58 41 89 c0 41 80 e0 07 41 38 c8 7c c7 49 89 ff 48 89 c7 49 89 d4 49 89 f5 e8 df b5 45 ff 4c 89 ff 4c 89 ee 4c 89 e2 eb ab <41> 89 c9 41 80 e1 07 45 38 c1 7c b9 48 89 7d d0 48 89 cf 49 89 d4
RSP: 0018:ffffc9000137e8a0 EFLAGS: 00000202
RAX: 00000000000000b2 RBX: dffffc0000000000 RCX: ffffc9000137e963
RDX: 0000000000000004 RSI: ffffc9000137e960 RDI: ffff88813844f55c
RBP: ffffc9000137e8d0 R08: 0000000000000004 R09: 000000000137e902
R10: fffff5200026fd2c R11: 1ffff9200026fd2c R12: 0000000000000004
R13: ffff88813844f5e8 R14: 0000000000000003 R15: fffffffffffffc18
FS:  00007f3cd60de6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000017275f000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rhashtable_compare include/linux/rhashtable.h:577 [inline]
 __rhashtable_lookup include/linux/rhashtable.h:602 [inline]
 rhashtable_lookup include/linux/rhashtable.h:638 [inline]
 tipc_sk_lookup+0x2f3/0x5f0 net/tipc/socket.c:2997
 tipc_sk_rcv+0x3eb/0x1ef0 net/tipc/socket.c:2488
 tipc_node_xmit+0x256/0xcd0 net/tipc/node.c:1674
 tipc_node_xmit_skb net/tipc/node.c:1739 [inline]
 tipc_node_distr_xmit+0x292/0x390 net/tipc/node.c:1754
 tipc_sk_rcv+0x19b9/0x1ef0 net/tipc/socket.c:2497
 tipc_node_xmit+0x256/0xcd0 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+0x1581/0x3850 net/tipc/socket.c:2362
 tipc_sk_enqueue net/tipc/socket.c:2442 [inline]
 tipc_sk_rcv+0x7cc/0x1ef0 net/tipc/socket.c:2493
 tipc_node_xmit+0x256/0xcd0 net/tipc/node.c:1674
 tipc_node_xmit_skb net/tipc/node.c:1739 [inline]
 tipc_node_distr_xmit+0x292/0x390 net/tipc/node.c:1754
 tipc_sk_backlog_rcv+0x16f/0x1f0 net/tipc/socket.c:2410
 sk_backlog_rcv include/net/sock.h:1058 [inline]
 __release_sock+0x146/0x360 net/core/sock.c:2588
 release_sock net/core/sock.c:3139 [inline]
 sock_setsockopt+0x125e/0x2350 net/core/sock.c:1257
 __sys_setsockopt+0x265/0x460 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+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f3cd7697749
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:00007f3cd60de038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f3cd78ee090 RCX: 00007f3cd7697749
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000005
RBP: 00007f3cd771bf91 R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000540 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3cd78ee128 R14: 00007f3cd78ee090 R15: 00007ffc49a6dcf8
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