[ 65.981550][ T26] audit: type=1800 audit(1567474953.078:32): pid=10022 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=2417 res=0 Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 66.710520][ T26] audit: type=1800 audit(1567474953.898:33): pid=10022 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.32' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 76.265323][ T26] kauditd_printk_skb: 2 callbacks suppressed [ 76.265336][ T26] audit: type=1400 audit(1567474963.448:36): avc: denied { map } for pid=10206 comm="syz-executor006" path="/root/syz-executor006821136" 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 [ 76.300424][T10207] IPVS: ftp: loaded support on port[0] = 21 [ 76.323689][ T3021] rxrpc: Assertion failed [ 76.328835][ T3021] ------------[ cut here ]------------ [ 76.334291][ T3021] kernel BUG at net/rxrpc/local_object.c:433! [ 76.340490][ T3021] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 76.346544][ T3021] CPU: 0 PID: 3021 Comm: kworker/0:2 Not tainted 5.3.0-rc6+ #0 [ 76.354057][ T3021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.364100][ T3021] Workqueue: krxrpcd rxrpc_local_processor [ 76.369888][ T3021] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 76.376187][ T3021] Code: bf 65 c0 fa 0f 0b e8 64 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 ac 65 c0 fa 0f 0b e8 51 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 99 65 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 76.395762][ T3021] RSP: 0018:ffff88809fb2fce8 EFLAGS: 00010282 [ 76.401815][ T3021] RAX: 0000000000000017 RBX: ffff8880a78556b8 RCX: 0000000000000000 [ 76.409846][ T3021] RDX: 0000000000000000 RSI: ffffffff815c26f6 RDI: ffffed1013f65f8f [ 76.417813][ T3021] RBP: ffff88809fb2fd30 R08: 0000000000000017 R09: ffffed1015d060d1 [ 76.425758][ T3021] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: ffff8880a7bccb08 [ 76.433703][ T3021] R13: ffff88808e8e0648 R14: ffff8880a7855680 R15: ffff88809a634000 [ 76.441673][ T3021] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 76.450573][ T3021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.457128][ T3021] CR2: 0000000020000080 CR3: 00000000a389c000 CR4: 00000000001406f0 [ 76.465073][ T3021] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.473025][ T3021] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.480970][ T3021] Call Trace: [ 76.484238][ T3021] process_one_work+0x9af/0x1740 [ 76.489177][ T3021] ? pwq_dec_nr_in_flight+0x320/0x320 [ 76.494518][ T3021] ? lock_acquire+0x190/0x410 [ 76.499172][ T3021] worker_thread+0x98/0xe40 [ 76.503645][ T3021] ? trace_hardirqs_on+0x67/0x240 [ 76.508643][ T3021] kthread+0x361/0x430 [ 76.512685][ T3021] ? process_one_work+0x1740/0x1740 [ 76.517856][ T3021] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 76.524167][ T3021] ret_from_fork+0x24/0x30 [ 76.528556][ T3021] Modules linked in: [ 76.532704][ T3021] ---[ end trace 400d8a51848cb9d0 ]--- [ 76.538211][ T3021] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 76.544523][ T3021] Code: bf 65 c0 fa 0f 0b e8 64 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 ac 65 c0 fa 0f 0b e8 51 c6 d6 fa 48 c7 c7 e0 59 3a 88 e8 99 65 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 76.564136][ T3021] RSP: 0018:ffff88809fb2fce8 EFLAGS: 00010282 [ 76.570203][ T3021] RAX: 0000000000000017 RBX: ffff