RBP: 00007f3270edc320 R08: 00007f3270e0f6c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3270edc32c R13: 0000000000000000 R14: 00007ffed2a1bb20 R15: 00007ffed2a1bc08 watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor432:303] Modules linked in: CPU: 1 PID: 303 Comm: syz-executor432 Not tainted 5.10.240-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025 RIP: 0010:check_region_inline mm/kasan/generic.c:169 [inline] RIP: 0010:kasan_check_range+0x2/0x290 mm/kasan/generic.c:189 Code: ee 03 48 01 c6 48 89 c7 e8 cb 36 d5 02 31 c0 5d c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 00 00 cc cc 00 00 cc b0 01 <48> 85 f6 0f 84 a9 01 00 00 55 48 89 e5 41 57 41 56 53 49 89 f8 49 RSP: 0018:ffffc90000c16908 EFLAGS: 00000246 RAX: 0000000000000401 RBX: ffff88810c0e5e88 RCX: ffffffff8477a65b RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88810c0e5e88 RBP: ffffc90000c16910 R08: dffffc0000000000 R09: ffffed102181cbd1 R10: ffffed102181cbd1 R11: 1ffff1102181cbd0 R12: dffffc0000000000 R13: 1ffff92000182d24 R14: ffffffff845ce70a R15: 000000002a2b751a FS: 00007f3270e0f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055558f441750 CR3: 0000000104994000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:201 [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:414 [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+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: 0033:0x7f3270e50719 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:00007f3270e0f168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 00000000000203a0 RBX: 00007f3270edc328 RCX: 00007f3270e50719 RDX: 0000000000000000 RSI: 00002000000003c0 RDI: 0000000000000003 RBP: 00007f3270edc320 R08: 00007f3270e0f6c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3270edc32c R13: 0000000000000000 R14: 00007ffed2a1bb20 R15: 00007ffed2a1bc08 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