[ 39.572262] audit: type=1800 audit(1572190222.195:32): pid=7473 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. [ 40.365162] audit: type=1800 audit(1572190223.075:33): pid=7473 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 '10.128.0.181' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.037023] kauditd_printk_skb: 2 callbacks suppressed [ 48.037037] audit: type=1400 audit(1572190230.745:36): avc: denied { map } for pid=7661 comm="syz-executor479" path="/root/syz-executor479952129" 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 [ 48.050329] IPVS: ftp: loaded support on port[0] = 21 [ 48.097145] rxrpc: Assertion failed [ 48.101193] ------------[ cut here ]------------ [ 48.105968] kernel BUG at net/rxrpc/local_object.c:437! [ 48.111904] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 48.117279] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.80 #0 [ 48.123702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.133046] Workqueue: krxrpcd rxrpc_local_processor [ 48.138138] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 48.143744] 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 [ 48.162638] RSP: 0018:ffff8880aa26fce8 EFLAGS: 00010282 [ 48.168003] RAX: 0000000000000017 RBX: ffff8880a49f24f8 RCX: 0000000000000000 [ 48.175259] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed101544df8f [ 48.182518] RBP: ffff8880aa26fd30 R08: 0000000000000017 R09: ffffed1015d05079 [ 48.189777] R10: ffffed1015d05078 R11: ffff8880ae8283c7 R12: ffff8880939c5d08 [ 48.197027] R13: ffff8880a5af0688 R14: ffff8880a49f24c0 R15: ffff8880977d0ac0 [ 48.204312] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 48.212519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.218380] CR2: 0000000020000080 CR3: 00000000a7c73000 CR4: 00000000001406f0 [ 48.225634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.232886] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.240134] Call Trace: [ 48.242713] process_one_work+0x989/0x1750 [ 48.246961] ? pwq_dec_nr_in_flight+0x320/0x320 [ 48.251633] ? lock_acquire+0x16f/0x3f0 [ 48.255592] ? kasan_check_write+0x14/0x20 [ 48.259819] ? do_raw_spin_lock+0xc8/0x240 [ 48.264036] worker_thread+0x98/0xe40 [ 48.267993] ? trace_hardirqs_on+0x67/0x220 [ 48.272296] kthread+0x354/0x420 [ 48.275663] ? process_one_work+0x1750/0x1750 [ 48.280149] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 48.285680] ret_from_fork+0x24/0x30 [ 48.289375] Modules linked in: [ 48.292883] ---[ end trace 01a45b4f1972cf3d ]--- [ 48.297647] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 48.303289] 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 [ 48.322228] RSP: 0018:ffff8880aa26fce8 EFLAGS: 00010282 [ 48.327587] RAX: 0000000000000017 RBX: ffff8880a49f24f8 RCX: 0000000000000000 [ 48.334893] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed101544df8f [ 48.342176] RBP: ffff8880aa26fd30 R08: 0000000000000017 R09: ffffed10