[ 52.240511][ T26] audit: type=1800 audit(1567095525.665:21): pid=9072 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 52.291987][ T26] audit: type=1800 audit(1567095525.665:22): pid=9072 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 53.382348][ T9139] sshd (9139) used greatest stack depth: 23480 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 62.943562][ T9224] IPVS: ftp: loaded support on port[0] = 21 [ 62.963561][ T2989] rxrpc: Assertion failed [ 62.968250][ T2989] ------------[ cut here ]------------ [ 62.973687][ T2989] kernel BUG at net/rxrpc/local_object.c:433! [ 62.979790][ T2989] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 62.985832][ T2989] CPU: 0 PID: 2989 Comm: kworker/0:2 Not tainted 5.3.0-rc6+ #147 [ 62.993550][ T2989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.003583][ T2989] Workqueue: krxrpcd rxrpc_local_processor [ 63.009358][ T2989] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 63.015875][ T2989] 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 [ 63.035451][ T2989] RSP: 0018:ffff88809ffc7ce8 EFLAGS: 00010282 [ 63.041493][ T2989] RAX: 0000000000000017 RBX: ffff888091a7b6b8 RCX: 0000000000000000 [ 63.049432][ T2989] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed1013ff8f8f [ 63.057370][ T2989] RBP: ffff88809ffc7d30 R08: 0000000000000017 R09: fffffbfff11b42ed [ 63.065306][ T2989] R10: fffffbfff11b42ec R11: ffffffff88da1763 R12: ffff888091a7af48 [ 63.073244][ T2989] R13: ffff88809a4c06c8 R14: ffff888091a7b680 R15: ffff8880a32f5000 [ 63.081182][ T2989] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 63.090073][ T2989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.096620][ T2989] CR2: 0000000020000080 CR3: 0000000008c6d000 CR4: 00000000001406f0 [ 63.104558][ T2989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.112495][ T2989] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.120429][ T2989] Call Trace: [ 63.123689][ T2989] process_one_work+0x9af/0x1740 [ 63.128647][ T2989] ? pwq_dec_nr_in_flight+0x320/0x320 [ 63.133992][ T2989] ? lock_acquire+0x190/0x410 [ 63.138640][ T2989] worker_thread+0x98/0xe40 [ 63.143110][ T2989] ? trace_hardirqs_on+0x67/0x240 [ 63.148105][ T2989] kthread+0x361/0x430 [ 63.152143][ T2989] ? process_one_work+0x1740/0x1740 [ 63.157304][ T2989] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 63.163511][ T2989] ret_from_fork+0x24/0x30 [ 63.167891][ T2989] Modules linked in: [ 63.171972][ T2989] ---[ end trace c5c901afd5b3f596 ]--- [ 63.177416][ T2989] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 63.183907][ T2989] 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 [ 63.203503][ T2989] RSP: 0018:ffff88809ffc7ce8 EFLAGS: 00010282 [ 63.209553][ T2989] RAX: 0000000000000017 RBX: ffff888091a7b6b8 RCX: 0000000000000000 [ 63.217490][ T2989] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed1013ff8f8f [ 63.225449][ T2989] RBP: ffff88809ffc7d30 R08: 0000000000000017 R09: fffffbfff11b42ed [ 63.233407][ T2989] R10: fffffbfff11b42ec R11: ffffffff88da1763 R12: ffff888091a7af48 [ 63.241525][ T2989] R13: ffff88809a4c06c8 R14: ffff888091a7b680 R15: ffff8880a32f5000 [ 63.249500][ T2989] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 63.258660][ T2989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.265232][ T2989] CR2: 0000000020000080 CR3: 0000000008c6d000 CR4: 00000000001406f0 [ 63.273214][ T2989] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.281170][ T2989] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.289141][ T2989] Kernel panic - not syncing: Fatal exception [ 63.296598][ T2989] Kernel Offset: disabled [ 63.301091][ T2989] Rebooting in 86400 seconds..