RBP: 00007f62012682a0 R08: 0000000000000004 R09: 0000000000000000
R10: 0000400000000540 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f62013fffa0 R15: 00007ffe44065188
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 267s! [syz.4.556:2395]
Modules linked in:
CPU: 1 PID: 2395 Comm: syz.4.556 Tainted: G        W         5.15.178-syzkaller-00193-g058abb720bd1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__refcount_sub_and_test include/linux/refcount.h:282 [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:1928 [inline]
RIP: 0010:tipc_sk_rcv+0x1261/0x1b50 net/tipc/socket.c:2502
Code: 00 bf 01 00 00 00 89 de e8 4c 8d a2 fc 83 fb 01 75 0f e8 92 89 a2 fc 4c 89 ef e8 8a e5 12 ff eb 16 31 ff 89 de e8 2f 8d a2 fc <85> db 0f 8e 20 03 00 00 e8 72 89 a2 fc 48 8b 44 24 78 42 0f b6 04
RSP: 0018:ffffc9000110e9e0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffffffff84cde2fa
RDX: ffff888113242780 RSI: 0000000000000005 RDI: 0000000000000000
RBP: ffffc9000110ec30 R08: ffffffff84cde331 R09: ffffed1025b86471
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88812dc32300 R14: 00000000816a747d R15: ffffc9000110ee20
FS:  00007f61ff8516c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 0000000033918000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000050602
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+0x1212/0x1b50 net/tipc/socket.c:2501
 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703
 tipc_sk_push_backlog net/tipc/socket.c:1316 [inline]
 tipc_sk_filter_connect net/tipc/socket.c:2255 [inline]
 tipc_sk_filter_rcv+0x194e/0x3380 net/tipc/socket.c:2364
 tipc_sk_enqueue net/tipc/socket.c:2445 [inline]
 tipc_sk_rcv+0x80c/0x1b50 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:1071 [inline]
 __release_sock+0x145/0x410 net/core/sock.c:2733
 release_sock net/core/sock.c:3284 [inline]
 sock_setsockopt+0x1831/0x2f30 net/core/sock.c:1383
 __sys_setsockopt+0x423/0x840 net/socket.c:2199
 __do_sys_setsockopt net/socket.c:2214 [inline]
 __se_sys_setsockopt net/socket.c:2211 [inline]
 __x64_sys_setsockopt+0xbf/0xd0 net/socket.c:2211
 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: 0033:0x7f62011e7169
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:00007f61ff851038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f62013fffa0 RCX: 00007f62011e7169
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000007
RBP: 00007f62012682a0 R08: 0000000000000004 R09: 0000000000000000
R10: 0000400000000540 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f62013fffa0 R15: 00007ffe44065188
 </TASK>
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:51 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry drivers/acpi/processor_idle.c:562 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_idle_enter+0x416/0x760 drivers/acpi/processor_idle.c:697