[....] 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. [ 38.768981] audit: type=1800 audit(1567066345.726:33): pid=7378 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 [ 38.793910] audit: type=1800 audit(1567066345.726:34): pid=7378 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: [ 40.205625] audit: type=1400 audit(1567066347.156:35): avc: denied { map } for pid=7550 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 '10.128.0.3' (ECDSA) to the list of known hosts. executing program [ 46.739655] audit: type=1400 audit(1567066353.696:36): avc: denied { map } for pid=7563 comm="syz-executor170" path="/root/syz-executor170878093" 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 [ 46.757349] IPVS: ftp: loaded support on port[0] = 21 [ 46.795303] rxrpc: Assertion failed [ 46.799823] ------------[ cut here ]------------ [ 46.804616] kernel BUG at net/rxrpc/local_object.c:437! [ 46.810393] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 46.815756] CPU: 1 PID: 3222 Comm: kworker/1:2 Not tainted 4.19.69 #43 [ 46.822399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.831857] Workqueue: krxrpcd rxrpc_local_processor [ 46.836971] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 46.842580] Code: 3f 7a fd fa 0f 0b e8 24 14 13 fb 48 c7 c7 a0 52 f1 87 e8 2c 7a fd fa 0f 0b e8 11 14 13 fb 48 c7 c7 a0 52 f1 87 e8 19 7a fd fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 46.861484] RSP: 0018:ffff88809bd77ce8 EFLAGS: 00010282 [ 46.866836] RAX: 0000000000000017 RBX: ffff8880a5f6c938 RCX: 0000000000000000 [ 46.874090] RDX: 0000000000000000 RSI: ffffffff8155cdd6 RDI: ffffed10137aef8f [ 46.881342] RBP: ffff88809bd77d30 R08: 0000000000000017 R09: ffffed1015d25079 [ 46.888595] R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff8880a5f6c1c8 [ 46.895846] R13: ffff88809f1d0748 R14: ffff8880a5f6c900 R15: ffff888094baca00 [ 46.903123] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 46.911329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.917189] CR2: 0000000020000080 CR3: 000000008c0c2000 CR4: 00000000001406e0 [ 46.924442] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.931705] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.938956] Call Trace: [ 46.941539] process_one_work+0x989/0x1750 [ 46.945755] ? pwq_dec_nr_in_flight+0x320/0x320 [ 46.950402] ? lock_acquire+0x16f/0x3f0 [ 46.954449] ? kasan_check_write+0x14/0x20 [ 46.958668] ? do_raw_spin_lock+0xc8/0x240 [ 46.962887] worker_thread+0x98/0xe40 [ 46.966669] ? trace_hardirqs_on+0x67/0x220 [ 46.970976] kthread+0x354/0x420 [ 46.974321] ? process_one_work+0x1750/0x1750 [ 46.978796] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 46.984320] ret_from_fork+0x24/0x30 [ 46.988013] Modules linked in: [ 46.991417] ---[ end trace 3dcbb8a41ecb67e8 ]--- [ 46.996186] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 47.001840] Code: 3f 7a fd fa 0f 0b e8 24 14 13 fb 48 c7 c7 a0 52 f1 87 e8 2c 7a fd fa 0f 0b e8 11 14 13 fb 48 c7 c7 a0 52 f1 87 e8 19 7a fd fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 47.020803] RSP: 0018:ffff88809bd77ce8 EFLAGS: 00010282 [ 47.026162] RAX: 0000000000000017 RBX: ffff8880a5f6c938 RCX: 0000000000000000 [ 47.033468] RDX: 0000000000000000 RSI: ffffffff8155cdd6 RDI: ffffed10137aef8f [ 47.040796] RBP: ffff88809bd77d30 R08: 0000000000000017 R09: ffffe