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. [ 40.110342] audit: type=1800 audit(1575339032.653:33): pid=7484 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 [ 40.132625] audit: type=1800 audit(1575339032.663:34): pid=7484 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: [ 41.524408] audit: type=1400 audit(1575339034.073:35): avc: denied { map } for pid=7656 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 '10.128.15.231' (ECDSA) to the list of known hosts. [ 52.664221] audit: type=1400 audit(1575339045.213:36): avc: denied { map } for pid=7669 comm="syz-executor256" path="/root/syz-executor256580160" 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 [ 52.679878] IPVS: ftp: loaded support on port[0] = 21 executing program [ 52.717865] audit: type=1400 audit(1575339045.263:37): avc: denied { create } for pid=7670 comm="syz-executor256" 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 [ 52.725421] rxrpc: Assertion failed [ 52.743111] audit: type=1400 audit(1575339045.263:38): avc: denied { write } for pid=7670 comm="syz-executor256" 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 [ 52.748056] ------------[ cut here ]------------ [ 52.770393] audit: type=1400 audit(1575339045.263:39): avc: denied { read } for pid=7670 comm="syz-executor256" 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 [ 52.774613] kernel BUG at net/rxrpc/local_object.c:437! [ 52.775240] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 52.809385] CPU: 1 PID: 2793 Comm: kworker/1:2 Not tainted 4.19.87-syzkaller #0 [ 52.816918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.827238] Workqueue: krxrpcd rxrpc_local_processor [ 52.832336] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 52.837958] Code: af 5d ab fa 0f 0b e8 84 f8 c0 fa 48 c7 c7 40 94 5b 88 e8 9c 5d ab fa 0f 0b e8 71 f8 c0 fa 48 c7 c7 40 94 5b 88 e8 89 5d ab fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 52.856940] RSP: 0018:ffff88809e957ce8 EFLAGS: 00010282 [ 52.862307] RAX: 0000000000000017 RBX: ffff88808128e978 RCX: 0000000000000000 [ 52.869801] RDX: 0000000000000000 RSI: ffffffff81558bd6 RDI: ffffed1013d2af8f [ 52.877364] RBP: ffff88809e957d30 R08: 0000000000000017 R09: ffffed1015d25079 [ 52.884648] R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff88808128e208 [ 52.892059] R13: ffff888097828648 R14: ffff88808128e940 R15: ffff88809496aa40 [ 52.899326] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 52.907549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.913433] CR2: 00000000006d9f70 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 52.920710] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.927985] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.935511] Call Trace: [ 52.938098] process_one_work+0x989/0x1750 [ 52.942350] ? pwq_dec_nr_in_flight+0x320/0x320 [ 52.947022] ? lock_acquire+0x16f/0x3f0 [ 52.950998] ? kasan_check_write+0x14/0x20 [ 52.955230] ? do_raw_spin_lock+0xc8/0x240 [ 52.959458] worker_thread+0x98/0xe40 [ 52.963256] ? trace_hardirqs_on+0x67/0x220 [ 52.967564] kthread+0x354/0x420 [ 52.970913] ? process_one_work+0x1750/0x1750 [ 52.975389] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 52.980913] ret_from_fork+0x24/0x30 [ 52.984608] Modules linked in: [ 52.988001] ---[ end trace 41b020ae5eea165b ]--- [ 52.992876] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 52.998560] Code: af 5d ab fa 0f 0b e8 84 f8 c0 fa 48 c7 c7 40 94 5b 88 e8 9c 5d ab fa 0f 0b e8 71 f8 c0 fa 48 c7 c7 40 94 5b 88 e8 89 5d ab fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 53.017523] RSP: 0018:f