Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 37.189102] audit: type=1800 audit(1572036948.311:33): pid=7279 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 [ 37.210481] audit: type=1800 audit(1572036948.311:34): pid=7279 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 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 41.347702] audit: type=1400 audit(1572036952.471:35): avc: denied { map } for pid=7453 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 '10.128.0.240' (ECDSA) to the list of known hosts. executing program [ 58.175312] audit: type=1400 audit(1572036969.291:36): avc: denied { map } for pid=7465 comm="syz-executor137" path="/root/syz-executor137932788" 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 [ 58.193656] IPVS: ftp: loaded support on port[0] = 21 [ 58.231988] rxrpc: Assertion failed [ 58.236236] ------------[ cut here ]------------ [ 58.240995] kernel BUG at net/rxrpc/local_object.c:437! [ 58.246625] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 58.251993] CPU: 0 PID: 3204 Comm: kworker/0:2 Not tainted 4.19.80 #0 [ 58.258553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.267907] Workqueue: krxrpcd rxrpc_local_processor [ 58.273057] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 58.278662] 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 [ 58.297554] RSP: 0018:ffff88809bcc7ce8 EFLAGS: 00010282 [ 58.302913] RAX: 0000000000000017 RBX: ffff8880960fdb78 RCX: 0000000000000000 [ 58.310171] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1013798f8f [ 58.317421] RBP: ffff88809bcc7d30 R08: 0000000000000017 R09: ffff88809bce6c88 [ 58.324704] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880960fd408 [ 58.331955] R13: ffff8880852206c8 R14: ffff8880960fdb40 R15: ffff8880967d9000 [ 58.339247] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 58.347452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.353313] CR2: 0000000020000140 CR3: 000000000866d000 CR4: 00000000001406f0 [ 58.360572] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.367821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.375068] Call Trace: [ 58.377653] process_one_work+0x989/0x1750 [ 58.381883] ? pwq_dec_nr_in_flight+0x320/0x320 [ 58.386539] ? lock_acquire+0x16f/0x3f0 [ 58.390493] ? kasan_check_write+0x14/0x20 [ 58.394717] ? do_raw_spin_lock+0xc8/0x240 [ 58.398933] worker_thread+0x98/0xe40 [ 58.402712] ? trace_hardirqs_on+0x67/0x220 [ 58.407020] kthread+0x354/0x420 [ 58.410367] ? process_one_work+0x1750/0x1750 [ 58.414842] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 58.420374] ret_from_fork+0x24/0x30 [ 58.424066] Modules linked in: [ 58.427525] ---[ end trace e0bbd81403dbd269 ]--- [ 58.432284] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 58.437946] 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 [ 58.456865] RSP: 0018:ffff88809bcc7ce8 EFLAGS: 00010282 [ 58.462221] RAX: 0000000000000017 RBX: ffff8880960fdb78 RCX: 0000000000000000 [ 58.469505] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1013798f8f [ 58.476786] RBP: ffff88809bcc7d30 R08: 0000000000000017 R09: ffff88809bc