[ 38.107730] audit: type=1800 audit(1572329572.109:32): pid=7379 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. [ 38.832026] audit: type=1800 audit(1572329572.909:33): pid=7379 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 '10.128.0.90' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.843049] kauditd_printk_skb: 2 callbacks suppressed [ 48.843074] audit: type=1400 audit(1572329582.919:36): avc: denied { map } for pid=7564 comm="syz-executor767" path="/root/syz-executor767103230" 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 [ 48.857429] IPVS: ftp: loaded support on port[0] = 21 [ 48.904078] rxrpc: Assertion failed [ 48.908196] ------------[ cut here ]------------ [ 48.912966] kernel BUG at net/rxrpc/local_object.c:437! [ 48.918467] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 48.923846] CPU: 1 PID: 3203 Comm: kworker/1:2 Not tainted 4.19.80 #0 [ 48.930405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.939751] Workqueue: krxrpcd rxrpc_local_processor [ 48.944852] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 48.950478] 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 [ 48.969376] RSP: 0018:ffff88809bc67ce8 EFLAGS: 00010282 [ 48.974738] RAX: 0000000000000017 RBX: ffff8880a1267238 RCX: 0000000000000000 [ 48.981999] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed101378cf8f [ 48.989258] RBP: ffff88809bc67d30 R08: 0000000000000017 R09: ffffed1015d25079 [ 48.996567] R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff8880a1266ac8 [ 49.003828] R13: ffff888083aa8688 R14: ffff8880a1267200 R15: ffff88807f247200 [ 49.011083] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 49.019346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.025218] CR2: 0000000020000080 CR3: 000000000866d000 CR4: 00000000001406e0 [ 49.032473] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.039852] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.047114] Call Trace: [ 49.049700] process_one_work+0x989/0x1750 [ 49.053922] ? pwq_dec_nr_in_flight+0x320/0x320 [ 49.058572] ? lock_acquire+0x16f/0x3f0 [ 49.062538] ? kasan_check_write+0x14/0x20 [ 49.066774] ? do_raw_spin_lock+0xc8/0x240 [ 49.071004] worker_thread+0x98/0xe40 [ 49.074801] ? trace_hardirqs_on+0x67/0x220 [ 49.079106] kthread+0x354/0x420 [ 49.082455] ? process_one_work+0x1750/0x1750 [ 49.086931] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 49.092547] ret_from_fork+0x24/0x30 [ 49.096255] Modules linked in: [ 49.099889] ---[ end trace 2114966db8e857a1 ]--- [ 49.104669] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 49.110320] 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 [ 49.129253] RSP: 0018:ffff88809bc67ce8 EFLAGS: 00010282 [ 49.134615] RAX: 0000000000000017 RBX: ffff8880a1267238 RCX: 0000000000000000 [ 49.141914] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed101378cf8f [ 49.149217] RBP: ffff88809bc67d30 R08: 0000000000000017 R09: ffffed