[....] 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. [ 40.885650] audit: type=1800 audit(1574707518.319:33): pid=7443 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 [ 40.909633] audit: type=1800 audit(1574707518.319:34): pid=7443 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 [ 41.973330] audit: type=1400 audit(1574707519.409:35): avc: denied { map } for pid=7618 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. syzkaller login: [ 48.730197] audit: type=1400 audit(1574707526.169:36): avc: denied { map } for pid=7630 comm="syz-executor284" path="/root/syz-executor284029188" 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 [ 48.746986] IPVS: ftp: loaded support on port[0] = 21 executing program [ 48.783720] audit: type=1400 audit(1574707526.219:37): avc: denied { create } for pid=7631 comm="syz-executor284" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 48.790824] rxrpc: Assertion failed [ 48.808987] audit: type=1400 audit(1574707526.219:38): avc: denied { write } for pid=7631 comm="syz-executor284" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 48.813853] ------------[ cut here ]------------ [ 48.837112] audit: type=1400 audit(1574707526.219:39): avc: denied { read } for pid=7631 comm="syz-executor284" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 48.841263] kernel BUG at net/rxrpc/local_object.c:437! [ 48.841772] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 48.877997] CPU: 0 PID: 2540 Comm: kworker/0:2 Not tainted 4.19.86-syzkaller #0 [ 48.885599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.895293] Workqueue: krxrpcd rxrpc_local_processor [ 48.900387] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 48.905992] Code: 1f b3 fe fa 0f 0b e8 04 4f 14 fb 48 c7 c7 40 2f f1 87 e8 0c b3 fe fa 0f 0b e8 f1 4e 14 fb 48 c7 c7 40 2f f1 87 e8 f9 b2 fe fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 48.925743] RSP: 0018:ffff8880a089fce8 EFLAGS: 00010282 [ 48.931089] RAX: 0000000000000017 RBX: ffff8880a4c0c4b8 RCX: 0000000000000000 [ 48.938426] RDX: 0000000000000000 RSI: ffffffff815595f6 RDI: ffffed1014113f8f [ 48.945690] RBP: ffff8880a089fd30 R08: 0000000000000017 R09: ffffed1015d05079 [ 48.952942] R10: ffffed1015d05078 R11: ffff8880ae8283c7 R12: ffff888086b33d08 [ 48.960455] R13: ffff888072ea06c8 R14: ffff8880a4c0c480 R15: ffff888099fb7900 [ 48.967706] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 48.975913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.981812] CR2: 00000000006d9f70 CR3: 000000000866d000 CR4: 00000000001406f0 [ 48.990986] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.998246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.005513] Call Trace: [ 49.008092] process_one_work+0x989/0x1750 [ 49.014164] ? pwq_dec_nr_in_flight+0x320/0x320 [ 49.018819] ? lock_acquire+0x16f/0x3f0 [ 49.022780] ? kasan_check_write+0x14/0x20 [ 49.027840] ? do_raw_spin_lock+0xc8/0x240 [ 49.032420] worker_thread+0x98/0xe40 [ 49.036514] ? trace_hardirqs_on+0x67/0x220 [ 49.040932] kthread+0x354/0x420 [ 49.044294] ? process_one_work+0x1750/0x1750 [ 49.048871] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 49.054482] ret_from_fork+0x24/0x30 [ 49.058179] Modules linked in: [ 49.061538] ---[ end trace ac4619a4328ef9b9 ]--- [ 49.066314] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 49.072015] Code: 1f b3 fe fa 0f 0b e8 04 4f 14 fb 48 c7 c7 40 2f f1 87 e8 0c b3 fe fa 0f 0b e8 f1 4e 14 fb 48 c7 c7 40 2f f1 87 e8 f9 b2 fe fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 49.091853] RSP: 0018:ffff8880a089fce8 EFLAGS: 00010282 [ 49.097237] RAX: 0000000000000017 RBX: ffff8880a4c0c4b8 RCX: 0000000000000000 [ 49.104754] RDX: 0000000000000000 RSI: ffffffff815595f6 RDI: ffffed1014113f8f [ 49.112235] RBP: ffff8880a089fd30 R08: 0000000000000017 R09: ffffed1015d05079 [ 49.119525] R10: ffffed1015d05078 R11: ffff8880ae8283c7 R12: ffff888086b33d08 [ 49.126793] R13: ffff888072ea06c8 R14: ffff8880a4c0c480 R15: ffff888099fb7900 [ 49.134193] FS: