watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz.8.2654:9721]
Modules linked in:
CPU: 0 PID: 9721 Comm: syz.8.2654 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:kasan_check_range+0x1b4/0x290 mm/kasan/generic.c:189
Code: 56 07 4d 85 f6 4d 0f 49 d6 49 83 e2 f8 4d 29 d6 74 12 41 80 39 00 0f 85 a1 00 00 00 49 ff c1 49 ff ce 75 ee 5b 41 5e 41 5f 5d <c3> 84 db 75 61 f7 c3 00 ff 00 00 75 5e f7 c3 00 00 ff 00 75 5d 49
RSP: 0018:ffffc90001ece928 EFLAGS: 00000256
RAX: 0000000000000401 RBX: ffff88811b6c8588 RCX: ffffffff8478481b
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88811b6c8588
RBP: ffffc90001ece930 R08: dffffc0000000000 R09: ffffed10236d90b2
R10: ffffed10236d90b2 R11: 1ffff110236d90b1 R12: dffffc0000000000
R13: 1ffff920003d9d28 R14: ffffffff845d883a R15: 000000002be7f0ba
FS:  00007f2d114a46c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000002 CR3: 000000012b8ac000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 atomic_read include/asm-generic/atomic-instrumented.h:27 [inline]
 queued_spin_trylock include/asm-generic/qspinlock.h:63 [inline]
 do_raw_spin_trylock include/linux/spinlock.h:202 [inline]
 __raw_spin_trylock_bh include/linux/spinlock_api_smp.h:182 [inline]
 _raw_spin_trylock_bh+0x7b/0x130 kernel/locking/spinlock.c:143
 spin_trylock_bh include/linux/spinlock.h:415 [inline]
 tipc_sk_rcv+0x41a/0x1ef0 net/tipc/socket.c:2492
 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: 0033:0x7f2d12a7e749
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:00007f2d114a4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f2d12cd5180 RCX: 00007f2d12a7e749
RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000006
RBP: 00007f2d12b02f91 R08: 0000000000000004 R09: 0000000000000000
R10: 0000200000000540 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2d12cd5218 R14: 00007f2d12cd5180 R15: 00007ffef2f44958
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 1 skipped: idling at default_idle+0x12/0x20 arch/x86/kernel/process.c:717