[ 36.987087] audit: type=1800 audit(1572182231.632:32): pid=7360 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2450 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 37.672396] audit: type=1800 audit(1572182232.402:33): pid=7360 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 51.787522] kauditd_printk_skb: 2 callbacks suppressed [ 51.787536] audit: type=1400 audit(1572182246.522:36): avc: denied { map } for pid=7546 comm="syz-executor192" path="/root/syz-executor192959396" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 51.803725] IPVS: ftp: loaded support on port[0] = 21 [ 51.847892] rxrpc: Assertion failed [ 51.851900] ------------[ cut here ]------------ [ 51.856674] kernel BUG at net/rxrpc/local_object.c:437! [ 51.862517] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 51.867891] CPU: 1 PID: 2718 Comm: kworker/1:2 Not tainted 4.19.80 #0 [ 51.874465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.883921] Workqueue: krxrpcd rxrpc_local_processor [ 51.889020] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 51.894632] Code: df 31 ff fa 0f 0b e8 84 cc 14 fb 48 c7 c7 40 23 f1 87 e8 cc 31 ff fa 0f 0b e8 71 cc 14 fb 48 c7 c7 40 23 f1 87 e8 b9 31 ff fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 51.914227] RSP: 0018:ffff88809f6c7ce8 EFLAGS: 00010282 [ 51.919594] RAX: 0000000000000017 RBX: ffff888090399b78 RCX: 0000000000000000 [ 51.926860] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1013ed8f8f [ 51.934303] RBP: ffff88809f6c7d30 R08: 0000000000000017 R09: ffffed1015d25079 [ 51.943682] R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff888090399408 [ 51.950942] R13: ffff888098318788 R14: ffff888090399b40 R15: ffff888097b17940 [ 51.958201] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 51.966409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.972286] CR2: 0000000020000080 CR3: 0000000091cad000 CR4: 00000000001406e0 [ 51.979902] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.987420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.994685] Call Trace: [ 51.997266] process_one_work+0x989/0x1750 [ 52.001644] ? pwq_dec_nr_in_flight+0x320/0x320 [ 52.006416] ? lock_acquire+0x16f/0x3f0 [ 52.010586] ? kasan_check_write+0x14/0x20 [ 52.014825] ? do_raw_spin_lock+0xc8/0x240 [ 52.019068] worker_thread+0x98/0xe40 [ 52.022856] ? trace_hardirqs_on+0x67/0x220 [ 52.027182] kthread+0x354/0x420 [ 52.030534] ? process_one_work+0x1750/0x1750 [ 52.035035] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 52.040586] ret_from_fork+0x24/0x30 [ 52.044302] Modules linked in: [ 52.047803] ---[ end trace a9a9d7c4f96ee2cb ]--- [ 52.052572] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 52.058227] Code: df 31 ff fa 0f 0b e8 84 cc 14 fb 48 c7 c7 40 23 f1 87 e8 cc 31 ff fa 0f 0b e8 71 cc 14 fb 48 c7 c7 40 23 f1 87 e8 b9 31 ff fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 52.077166] RSP: 0018:ffff88809f6c7ce8 EFLAGS: 00010282 [ 52.082521] RAX: 0000000000000017 RBX: ffff888090399b78 RCX: 0000000000000000 [ 52.090180] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1013ed8f8f [ 52.097575] RBP