watchdog: BUG: soft lockup - CPU#1 stuck for 226s! [syz.4.982:3907]
Modules linked in:
CPU: 1 PID: 3907 Comm: syz.4.982 Not tainted 5.15.176-syzkaller-00972-g829d9f138569 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:net_generic include/net/netns/generic.h:46 [inline]
RIP: 0010:tipc_sk_lookup+0xe0/0x650 net/tipc/socket.c:2995
Code: 02 e8 24 89 8f fc 49 81 c7 38 0a 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 c7 03 e5 fc 48 c1 e3 03 49 03 1f <48> 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 aa 03 e5 fc
RSP: 0018:ffffc90000bd68e0 EFLAGS: 00000286
RAX: 1ffff110215c9347 RBX: ffff88810abc8530 RCX: ffffc90000bd6903
RDX: 0000000000000000 RSI: 00000000b4b7eff0 RDI: ffff88810ae49000
RBP: ffffc90000bd69d0 R08: ffffffff84cdb448 R09: 0000000000000003
R10: fffff5200017ad2c R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200017ad2c R14: dffffc0000000000 R15: ffff88810ae49a38
FS:  00007f6ea953f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000012d6a7000 CR4: 00000000003506a0
DR0: 0000000020000300 DR1: 0000000020000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 tipc_sk_rcv+0x459/0x1b50 net/tipc/socket.c:2492
 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: 0033:0x7f6eaaeeed29
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:00007f6ea953f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f6eab0df080 RCX: 00007f6eaaeeed29
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 00007f6eaaf6ab08 R08: 0000000000000004 R09: 0000000000000000
R10: 0000000020000540 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6eab0df080 R15: 00007ffce6bfa258
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1089 Comm: kworker/u4:5 Not tainted 5.15.176-syzkaller-00972-g829d9f138569 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0x843/0x9b0 kernel/smp.c:969
Code: 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 66 a6 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 a1 a2 0a 00 eb 38 f3 90 <42> 0f b6 04 3b 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 85 a2
RSP: 0018:ffffc90000c07840 EFLAGS: 00000293
RAX: ffffffff8165c9db RBX: 1ffff1103ee2784d RCX: ffff888116370000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000c07958 R08: ffffffff8165c9aa R09: ffffed103ee071d3
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8881f713c268 R14: ffff8881f7038e80 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555660655b56 CR3: 0000000006a0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000020000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1207 [inline]
 text_poke_bp_batch+0x1db/0x720 arch/x86/kernel/alternative.c:1407
 text_poke_flush arch/x86/kernel/alternative.c:1598 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1605
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459
 jump_label_update+0x3af/0x450 kernel/jump_label.c:830
 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177
 static_key_enable+0x1a/0x30 kernel/jump_label.c:190
 toggle_allocation_gate+0xbf/0x460 mm/kfence/core.c:729
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>