[ 96.596688][ T27] audit: type=1400 audit(1582950802.285:37): avc: denied { watch } for pid=10357 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 96.621078][ T27] audit: type=1400 audit(1582950802.285:38): avc: denied { watch } for pid=10357 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 96.878792][ T27] audit: type=1800 audit(1582950802.565:39): pid=10270 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 96.901187][ T27] audit: type=1800 audit(1582950802.575:40): pid=10270 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 100.991131][ T27] audit: type=1400 audit(1582950806.685:41): avc: denied { map } for pid=10448 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.1.13' (ECDSA) to the list of known hosts. executing program [ 108.087483][ T27] audit: type=1400 audit(1582950813.775:42): avc: denied { map } for pid=10460 comm="syz-executor520" path="/root/syz-executor520136485" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 108.138313][T10460] ------------[ cut here ]------------ [ 108.143863][T10460] WARNING: CPU: 1 PID: 10460 at net/core/stream.c:208 sk_stream_kill_queues+0x40d/0x590 [ 108.153550][T10460] Kernel panic - not syncing: panic_on_warn set ... [ 108.160115][T10460] CPU: 1 PID: 10460 Comm: syz-executor520 Not tainted 5.6.0-rc3-syzkaller #0 [ 108.168848][T10460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.178886][T10460] Call Trace: [ 108.182161][T10460] dump_stack+0x197/0x210 [ 108.186473][T10460] ? sk_stream_kill_queues+0x350/0x590 [ 108.191909][T10460] panic+0x2e3/0x75c [ 108.195779][T10460] ? add_taint.cold+0x16/0x16 [ 108.200437][T10460] ? printk+0xba/0xed [ 108.204396][T10460] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 108.209829][T10460] ? __warn.cold+0x14/0x3e [ 108.214269][T10460] ? __warn+0xd9/0x1cf [ 108.218320][T10460] ? sk_stream_kill_queues+0x40d/0x590 [ 108.223760][T10460] __warn.cold+0x2f/0x3e [ 108.227979][T10460] ? report_bug.cold+0x63/0xb2 [ 108.232720][T10460] ? sk_stream_kill_queues+0x40d/0x590 [ 108.238197][T10460] report_bug+0x289/0x300 [ 108.242512][T10460] do_error_trap+0x11b/0x200 [ 108.247086][T10460] do_invalid_op+0x37/0x50 [ 108.251482][T10460] ? sk_stream_kill_queues+0x40d/0x590 [ 108.256917][T10460] invalid_op+0x23/0x30 [ 108.261140][T10460] RIP: 0010:sk_stream_kill_queues+0x40d/0x590 [ 108.267300][T10460] Code: 48 c1 ea 03 0f b6 04 02 84 c0 74 04 3c 03 7e 41 44 8b a3 f8 01 00 00 e9 5f ff ff ff e8 9c 3e 40 fb 0f 0b eb 96 e8 93 3e 40 fb <0f> 0b eb a1 e8 8a 3e 40 fb 0f 0b e9 9f fe ff ff 4c 89 ef e8 0b e4 [ 108.286882][T10460] RSP: 0018:ffffc900020b7b30 EFLAGS: 00010293 [ 108.292925][T10460] RAX: ffff888094f86080 RBX: 0000000000000000 RCX: ffffffff8635485d [ 108.300875][T10460] RDX: 0000000000000000 RSI: ffffffff863548bd RDI: 0000000000000005 [ 108.308836][T10460] RBP: ffffc900020b7b70 R08: ffff888094f86080 R09: ffffed1015d2707c [ 108.316789][T10460] R10: ffffed1015d2707b R11: ffff8880ae9383db R12: 0000000000000fe3 [ 108.324742][T10460] R13: ffff8880a4c68eb8 R14: ffffffff8c406240 R15: ffff8880a4c68df8 [ 108.332710][T10460] ? sk_stream_kill_queues+0x3ad/0x590 [ 108.338277][T10460] ? sk_stream_kill_queues+0x40d/0x590 [ 108.343727][T10460] inet_csk_destroy_sock+0x1b7/0x4c0 [ 108.349036][T10460] tcp_close+0xe17/0x12b0 [ 108.353368][T10460] inet_release+0xed/0x200 [ 108.357794][T10460] __sock_release+0xce/0x280 [ 108.362386][T10460] sock_close+0x1e/0x30 [ 108.366524][T10460] __fput+0x2ff/0x890 [ 108.370489][T10460] ? __sock_release+0x280/0x280 [ 108.375318][T10460] ____fput+0x16/0x20 [ 108.379287][T10460] task_work_run+0x145/0x1c0 [ 108.383922][T10460] do_exit+0xba9/0x2f50 [ 108.388059][T10460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 108.394316][T10460] ? mm_update_next_owner+0x7c0/0x7c0 [ 108.399670][T10460] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 108.405637][T10460] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 108.411073][T10460] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 108.416615][T10460] do_group_exit+0x135/0x360 [ 108.421228][T10460] __x64_sys_exit_group+0x44/0x50 [ 108.426231][T10460] do_syscall_64+0xfa/0x790 [ 108.430719][T10460] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.436644][T10460] RIP: 0033:0x43eff8 [ 108.440529][T10460] Code: Bad RIP value. [ 108.444571][T10460] RSP: 002b:00007fffbd619268 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 108.452959][T10460] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eff8 [ 108.460912][T10460] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 108.468867][T10460] RBP: 00000000004be808 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 108.476943][T10460] R10: 00000000200001c0 R11: 0000000000000246 R12: 0000000000000001 [ 108.484892][T10460] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000 [ 108.494444][T10460] Kernel Offset: disabled [ 108.498815][T10460] Rebooting in 86400 seconds..