[ 73.358304][ T23] audit: type=1800 audit(1567095471.977:30): pid=10275 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 78.260950][ T23] kauditd_printk_skb: 4 callbacks suppressed [ 78.260964][ T23] audit: type=1400 audit(1567095476.907:35): avc: denied { map } for pid=10453 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 '10.128.0.159' (ECDSA) to the list of known hosts. executing program [ 84.710222][ T23] audit: type=1400 audit(1567095483.357:36): avc: denied { map } for pid=10465 comm="syz-executor830" path="/root/syz-executor830397642" 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 [ 84.743432][T10466] IPVS: ftp: loaded support on port[0] = 21 [ 84.766913][ T5] rxrpc: Assertion failed [ 84.771760][ T5] ------------[ cut here ]------------ [ 84.777230][ T5] kernel BUG at net/rxrpc/local_object.c:433! [ 84.783676][ T5] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 84.789757][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.3.0-rc6+ #121 [ 84.797183][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.808064][ T5] Workqueue: krxrpcd rxrpc_local_processor [ 84.813858][ T5] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 84.820290][ T5] Code: 9f 85 c0 fa 0f 0b e8 54 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 8c 85 c0 fa 0f 0b e8 41 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 79 85 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 84.842870][ T5] RSP: 0018:ffff8880a988fce8 EFLAGS: 00010282 [ 84.849086][ T5] RAX: 0000000000000017 RBX: ffff8880a1059278 RCX: 0000000000000000 [ 84.857074][ T5] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed1015311f8f [ 84.865067][ T5] RBP: ffff8880a988fd30 R08: 0000000000000017 R09: fffffbfff11b42ed [ 84.873020][ T5] R10: fffffbfff11b42ec R11: ffffffff88da1763 R12: ffff8880a1058b08 [ 84.880995][ T5] R13: ffff88808f058708 R14: ffff8880a1059240 R15: ffff8880aa0b5000 [ 84.888948][ T5] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 84.897942][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.904591][ T5] CR2: 0000000020000080 CR3: 0000000092a9d000 CR4: 00000000001406f0 [ 84.912545][ T5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.920512][ T5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.928468][ T5] Call Trace: [ 84.931760][ T5] process_one_work+0x9af/0x1740 [ 84.936764][ T5] ? pwq_dec_nr_in_flight+0x320/0x320 [ 84.942118][ T5] ? lock_acquire+0x190/0x410 [ 84.946773][ T5] worker_thread+0x98/0xe40 [ 84.951259][ T5] kthread+0x361/0x430 [ 84.955321][ T5] ? process_one_work+0x1740/0x1740 [ 84.960600][ T5] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 84.966831][ T5] ret_from_fork+0x24/0x30 [ 84.971239][ T5] Modules linked in: [ 84.975742][ T5] ---[ end trace c7d63046487780b0 ]--- [ 84.981344][ T5] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 84.987652][ T5] Code: 9f 85 c0 fa 0f 0b e8 54 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 8c 85 c0 fa 0f 0b e8 41 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 79 85 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 85.007283][ T5] RSP: 0018:ffff8880a988fce8 EFLAGS: 00010282 [ 85.013385][ T5] RAX: 0000000000000017 RBX: ffff8880a1059278 RCX: 0000000000000000 [ 85.021370][ T5] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed1015311f8f [ 85.029364][ T5] RBP: ffff8880a988fd30 R08: 0000000000000017 R09: fffffbfff11b42ed [ 85.037327][ T5] R10: fffffbfff11b42ec R11: ffffffff88da1763 R12: ffff8880a1058b08 [ 85.045414][ T5] R13: ffff88808f058708 R14: ffff8880a1059240 R15: ffff8880aa0b5000 [ 85.053397][ T5] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.062334][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.068925][ T5] CR2: 0000000020000080 CR3: 0000000092a9d000 CR4: 00000000001406f0 [ 85.076878][ T5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.084894][ T5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.092897][ T5] Kernel panic - not syncing: Fatal exception [ 85.100177][ T5] Kernel Offset: disabled [ 85.104502][ T5] Rebooting in 86400 seconds..