Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok [ 37.138964] audit: type=1800 audit(1575340271.685:33): pid=7365 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=2465 res=0 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 37.165135] audit: type=1800 audit(1575340271.685:34): pid=7365 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=2456 res=0 [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 41.609447] audit: type=1400 audit(1575340276.155:35): avc: denied { map } for pid=7541 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 '10.128.10.9' (ECDSA) to the list of known hosts. executing program executing program [ 77.363420] audit: type=1400 audit(1575340311.915:36): avc: denied { map } for pid=7553 comm="syz-executor031" path="/root/syz-executor031788217" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 77.388471] rxrpc: Assertion failed [ 77.394169] ------------[ cut here ]------------ [ 77.398940] kernel BUG at net/rxrpc/local_object.c:437! [ 77.404407] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 77.409771] CPU: 1 PID: 3280 Comm: kworker/1:2 Not tainted 4.19.87-syzkaller #0 [ 77.417252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.426604] Workqueue: krxrpcd rxrpc_local_processor [ 77.431715] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 77.437333] Code: af 5d ab fa 0f 0b e8 84 f8 c0 fa 48 c7 c7 40 94 5b 88 e8 9c 5d ab fa 0f 0b e8 71 f8 c0 fa 48 c7 c7 40 94 5b 88 e8 89 5d ab fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 77.456220] RSP: 0018:ffff88809b54fce8 EFLAGS: 00010282 [ 77.461567] RAX: 0000000000000017 RBX: ffff8880908f4db8 RCX: 0000000000000000 [ 77.468858] RDX: 0000000000000000 RSI: ffffffff81558bd6 RDI: ffffed10136a9f8f [ 77.476118] RBP: ffff88809b54fd30 R08: 0000000000000017 R09: ffffed1015d25079 [ 77.483370] R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff888096aec1c8 [ 77.490646] R13: ffff88809a848448 R14: ffff8880908f4d80 R15: ffff888094b205c0 [ 77.497902] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.506119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.512002] CR2: 00000000004bf988 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 77.519257] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.526510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.533761] Call Trace: [ 77.536341] process_one_work+0x989/0x1750 [ 77.540558] ? pwq_dec_nr_in_flight+0x320/0x320 [ 77.545218] ? lock_acquire+0x16f/0x3f0 [ 77.549174] ? kasan_check_write+0x14/0x20 [ 77.553399] ? do_raw_spin_lock+0xc8/0x240 [ 77.557634] worker_thread+0x98/0xe40 [ 77.561440] ? trace_hardirqs_on+0x67/0x220 [ 77.565761] kthread+0x354/0x420 [ 77.569118] ? process_one_work+0x1750/0x1750 [ 77.573625] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 77.579151] ret_from_fork+0x24/0x30 [ 77.582849] Modules linked in: [ 77.586126] ---[ end trace 784d8054a7d8f378 ]--- [ 77.590889] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 77.596546] Code: af 5d ab fa 0f 0b e8 84 f8 c0 fa 48 c7 c7 40 94 5b 88 e8 9c 5d ab fa 0f 0b e8 71 f8 c0 fa 48 c7 c7 40 94 5b 88 e8 89 5d ab fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 77.615520] RSP: 0018:ffff88809b54fce8 EFLAGS: 00010282 [ 77.620870] RAX: 0000000000000017 RBX: ffff8880908f4db8 RCX: 0000000000000000 [ 77.628253] RDX: 0000000000000000 RSI: ffffffff81558bd6 RDI: ffffed10136a9f8f [ 77.635558] RBP: ffff88809b54fd30 R08: 0000000000000017 R09: ffffed1015d25079 [ 77.642886] R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff888096aec1c8 [ 77.650155] R13: ffff88809a848448 R14: ffff8880908f4d80 R15: ffff888094b205c0 [ 77.657479] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.665738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.671608] CR2: 00000000004bf988 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 77.678896] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.686183] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.693488] Kernel panic - not syncing: Fatal exception [ 77.700225] Kernel Offset: disabled [ 77.703857] Rebooting in 86400 seconds..