RBP: 00007fdf20d7a32e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fdf20ebef80 R15: 00007ffda8199d38 watchdog: BUG: soft lockup - CPU#0 stuck for 286s! [syz.4.1806:6853] Modules linked in: CPU: 0 PID: 6853 Comm: syz.4.1806 Tainted: G W 5.15.167-syzkaller-android13-5.15.167_r00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:rcu_preempt_read_exit kernel/rcu/tree_plugin.h:380 [inline] RIP: 0010:__rcu_read_unlock+0x26/0xd0 kernel/rcu/tree_plugin.h:419 Code: c6 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 49 bf 00 00 00 00 00 fc ff df 65 4c 8b 35 e1 29 a5 7e 4d 8d a6 4c 04 00 00 <4d> 89 e5 49 c1 ed 03 43 0f b6 44 3d 00 84 c0 75 49 41 8b 1c 24 ff RSP: 0018:ffffc90000d2e928 EFLAGS: 00000293 RAX: ffffffff84cce2bb RBX: 0000000000000004 RCX: ffff88811317bb40 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 00000000ffffffff RBP: ffffc90000d2e950 R08: ffffffff84cce2b1 R09: ffffed10232ee9f1 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811317bf8c R13: ffff888119774f00 R14: ffff88811317bb40 R15: dffffc0000000000 FS: 00007fdf1f9806c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000124b0f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_unlock include/linux/rcupdate.h:780 [inline] tipc_sk_lookup+0x542/0x650 net/tipc/socket.c:3002 tipc_sk_rcv+0x459/0x1b50 net/tipc/socket.c:2492 tipc_node_xmit+0x34e/0xe40 net/tipc/node.c:1703 tipc_node_xmit_skb+0x153/0x1b0 net/tipc/node.c:1768 tipc_sk_rcv+0x1690/0x1b50 net/tipc/socket.c:2522 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:1069 [inline] __release_sock+0x145/0x410 net/core/sock.c:2730 release_sock+0x65/0x1b0 net/core/sock.c:3281 tipc_release+0xee9/0x1300 net/tipc/socket.c:652 __sock_release net/socket.c:649 [inline] sock_close+0xdf/0x270 net/socket.c:1336 __fput+0x228/0x8c0 fs/file_table.c:280 ____fput+0x15/0x20 fs/file_table.c:308 task_work_run+0x129/0x190 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fdf20d07719 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:00007fdf1f980038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 00000000000203a0 RBX: 00007fdf20ebef80 RCX: 00007fdf20d07719 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000007 RBP: 00007fdf20d7a32e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fdf20ebef80 R15: 00007ffda8199d38 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:51 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry drivers/acpi/processor_idle.c:562 [inline] NMI backtrace for cpu 1 skipped: idling at acpi_idle_enter+0x416/0x760 drivers/acpi/processor_idle.c:697