RBP: 00007f1c12507320 R08: 00007f1c1243a6c0 R09: 0000000000000000
R10: 00007f1c1243a6c0 R11: 0000000000000246 R12: 00007f1c1250732c
R13: 0000000000000000 R14: 00007ffff3fb3080 R15: 00007ffff3fb3168
watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor293:296]
Modules linked in:
CPU: 0 PID: 296 Comm: syz-executor293 Not tainted 5.10.237-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:202 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/asm-generic/atomic-instrumented.h:707 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
RIP: 0010:do_raw_spin_lock include/linux/spinlock.h:183 [inline]
RIP: 0010:__raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
RIP: 0010:_raw_spin_lock_bh+0x9b/0xe0 kernel/locking/spinlock.c:175
Code: 00 00 00 48 89 df be 04 00 00 00 e8 4f f3 28 fd 4c 89 f7 be 04 00 00 00 e8 42 f3 28 fd 8b 44 24 20 b9 01 00 00 00 f0 0f b1 0b <75> 2d 48 c7 04 24 0e 36 e0 45 4b c7 04 27 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90000be6920 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc90000be6df4 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc90000be6940
RBP: ffffc90000be69b0 R08: 0000000000000004 R09: 0000000000000003
R10: fffff5200017cd28 R11: 1ffff9200017cd28 R12: dffffc0000000000
R13: ffffc90000be6df0 R14: ffffc90000be6940 R15: 1ffff9200017cd24
FS:  00007f1c1243a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffff3fd2750 CR3: 000000011de51000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 spin_lock_bh include/linux/spinlock.h:359 [inline]
 tipc_skb_peek_port net/tipc/msg.h:1248 [inline]
 tipc_sk_rcv+0x221/0x1ef0 net/tipc/socket.c:2487
 tipc_node_xmit+0x256/0xcd0 net/tipc/node.c:1674
 tipc_node_xmit_skb+0xe9/0x130 net/tipc/node.c:1739
 tipc_sk_rcv+0x1d77/0x1ef0 net/tipc/socket.c:2518
 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:1052 [inline]
 __release_sock+0x146/0x360 net/core/sock.c:2583
 release_sock+0x60/0x1b0 net/core/sock.c:3134
 tipc_release+0xbd4/0x1490 net/tipc/socket.c:639
 __sock_release net/socket.c:597 [inline]
 sock_close+0xe0/0x270 net/socket.c:1286
 __fput+0x2fb/0x770 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x127/0x190 kernel/task_work.c:189
 ptrace_notify+0x212/0x250 kernel/signal.c:2280
 ptrace_report_syscall include/linux/tracehook.h:66 [inline]
 tracehook_report_syscall_exit include/linux/tracehook.h:129 [inline]
 arch_syscall_exit_tracehook include/linux/entry-common.h:285 [inline]
 syscall_exit_work+0x6e/0x140 kernel/entry/common.c:239
 syscall_exit_to_user_mode_prepare kernel/entry/common.c:266 [inline]
 syscall_exit_to_user_mode+0x5b/0x90 kernel/entry/common.c:272
 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f1c1247ba29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 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:00007f1c1243a168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 00000000000203a0 RBX: 00007f1c12507328 RCX: 00007f1c1247ba29
RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003
RBP: 00007f1c12507320 R08: 00007f1c1243a6c0 R09: 0000000000000000
R10: 00007f1c1243a6c0 R11: 0000000000000246 R12: 00007f1c1250732c
R13: 0000000000000000 R14: 00007ffff3fb3080 R15: 00007ffff3fb3168