[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.67' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 40.346971] ------------[ cut here ]------------ [ 40.352377] WARNING: CPU: 1 PID: 8123 at net/core/stream.c:208 sk_stream_kill_queues.cold+0x29/0x48 [ 40.361566] Kernel panic - not syncing: panic_on_warn set ... [ 40.361566] [ 40.368941] CPU: 1 PID: 8123 Comm: syz-executor287 Not tainted 4.19.211-syzkaller #0 [ 40.376827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 40.386182] Call Trace: [ 40.388864] dump_stack+0x1fc/0x2ef [ 40.392486] panic+0x26a/0x50e [ 40.395668] ? __warn_printk+0xf3/0xf3 [ 40.399553] ? sk_stream_kill_queues.cold+0x29/0x48 [ 40.404567] ? __probe_kernel_read+0x130/0x1b0 [ 40.409135] ? __warn.cold+0x5/0x5a [ 40.412748] ? __warn+0xe4/0x200 [ 40.416107] ? sk_stream_kill_queues.cold+0x29/0x48 [ 40.421109] __warn.cold+0x20/0x5a [ 40.424638] ? sk_stream_kill_queues.cold+0x29/0x48 [ 40.429643] report_bug+0x262/0x2b0 [ 40.433274] do_error_trap+0x1d7/0x310 [ 40.437149] ? math_error+0x310/0x310 [ 40.440939] ? __irq_work_queue_local+0x101/0x160 [ 40.445768] ? irq_work_queue+0x29/0x80 [ 40.449733] ? error_entry+0x72/0xd0 [ 40.453452] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.458554] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.463391] invalid_op+0x14/0x20 [ 40.466837] RIP: 0010:sk_stream_kill_queues.cold+0x29/0x48 [ 40.472449] Code: fe e8 b0 e3 50 f9 48 c7 c7 00 5c 4c 89 e8 0f 15 e2 ff 0f 0b e9 b8 1e 61 fe e8 98 e3 50 f9 48 c7 c7 00 5c 4c 89 e8 f7 14 e2 ff <0f> 0b e9 d9 1e 61 fe e8 80 e3 50 f9 48 c7 c7 00 5c 4c 89 e8 df 14 [ 40.491338] RSP: 0018:ffff8880b24d7818 EFLAGS: 00010282 [ 40.496689] RAX: 0000000000000024 RBX: 00000000000006e9 RCX: 0000000000000000 [ 40.503946] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed101649aef5 [ 40.511200] RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 [ 40.518454] R10: 0000000000000005 R11: 0000000000000000 R12: ffff888099d3ceb0 [ 40.525709] R13: ffff888099d3cdf8 R14: ffff888099d3cce8 R15: ffffffff8dd902c0 [ 40.532977] ? vprintk_func+0x81/0x180 [ 40.536864] ? sk_stream_kill_queues.cold+0x29/0x48 [ 40.541875] inet_csk_destroy_sock+0x198/0x400 [ 40.546451] tcp_close+0x95f/0xfd0 [ 40.549983] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.554557] tls_sk_proto_close+0x757/0xc20 [ 40.558869] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 40.563960] ? tcp_check_oom+0x520/0x520 [ 40.568030] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.572599] ? tls_write_space+0x320/0x320 [ 40.576840] ? ip_mc_drop_socket+0x16/0x260 [ 40.581184] inet_release+0xd7/0x1e0 [ 40.584896] inet6_release+0x4c/0x70 [ 40.588602] __sock_release+0xcd/0x2a0 [ 40.592477] ? __sock_release+0x2a0/0x2a0 [ 40.596613] sock_close+0x15/0x20 [ 40.600060] __fput+0x2ce/0x890 [ 40.603335] task_work_run+0x148/0x1c0 [ 40.607212] do_exit+0xbf3/0x2be0 [ 40.610656] ? futex_wake+0x159/0x480 [ 40.614449] ? mm_update_next_owner+0x650/0x650 [ 40.619107] ? get_signal+0x388/0x1f70 [ 40.622988] ? lock_downgrade+0x720/0x720 [ 40.627125] ? lock_acquire+0x170/0x3c0 [ 40.631090] do_group_exit+0x125/0x310 [ 40.634981] get_signal+0x3f2/0x1f70 [ 40.638687] ? inet_sendmsg+0x13a/0x5a0 [ 40.642668] ? security_socket_sendmsg+0x83/0xb0 [ 40.647420] do_signal+0x8f/0x1670 [ 40.650947] ? __ia32_sys_getpeername+0xb0/0xb0 [ 40.655605] ? setup_sigcontext+0x820/0x820 [ 40.659912] ? vm_mmap_pgoff+0x1c0/0x200 [ 40.664064] ? vma_is_stack_for_current+0xc0/0xc0 [ 40.668996] ? do_dup2+0x450/0x450 [ 40.672560] ? __se_sys_futex+0x28f/0x3b0 [ 40.676709] ? __se_sys_futex+0x298/0x3b0 [ 40.680851] ? do_futex+0x1880/0x1880 [ 40.684642] ? exit_to_usermode_loop+0x36/0x2a0 [ 40.689312] exit_to_usermode_loop+0x204/0x2a0 [ 40.693885] do_syscall_64+0x538/0x620 [ 40.697765] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.702944] RIP: 0033:0x7f87dd8c97c9 [ 40.706650] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 b8 ff ff ff f7 d8 64 89 01 48 [ 40.725538] RSP: 002b:00007f87dd87a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 40.733889] RAX: fffffffffffffe00 RBX: 00007f87dd9524c8 RCX: 00007f87dd8c97c9 [ 40.741143] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f87dd9524c8 [ 40.748398] RBP: 00007f87dd9524c0 R08: 0000000000000000 R09: 0000000000000000 [ 40.755653] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f87dd9524cc [ 40.762926] R13: 00007fff25ed2c2f R14: 00007f87dd87a300 R15: 0000000000022000 [ 40.770506] Kernel Offset: disabled [ 40.774169] Rebooting in 86400 seconds..