Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 38.089266] audit: type=1800 audit(1571506123.123:33): pid=7359 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 [ 38.111319] audit: type=1800 audit(1571506123.123:34): pid=7359 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: [ 41.679340] audit: type=1400 audit(1571506126.713:35): avc: denied { map } for pid=7534 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 '10.128.0.22' (ECDSA) to the list of known hosts. executing program [ 51.045140] audit: type=1400 audit(1571506136.083:36): avc: denied { map } for pid=7546 comm="syz-executor830" path="/root/syz-executor830203701" 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 [ 51.062003] IPVS: ftp: loaded support on port[0] = 21 [ 51.099819] rxrpc: Assertion failed [ 51.103823] ------------[ cut here ]------------ [ 51.108575] kernel BUG at net/rxrpc/local_object.c:437! [ 51.114246] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 51.119616] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.19.80 #0 [ 51.126036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.135380] Workqueue: krxrpcd rxrpc_local_processor [ 51.140468] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 51.146073] Code: df 31 ff fa 0f 0b e8 84 cc 14 fb 48 c7 c7 40 23 f1 87 e8 cc 31 ff fa 0f 0b e8 71 cc 14 fb 48 c7 c7 40 23 f1 87 e8 b9 31 ff fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 51.164992] RSP: 0018:ffff8880aa2b7ce8 EFLAGS: 00010282 [ 51.170349] RAX: 0000000000000017 RBX: ffff88809155db38 RCX: 0000000000000000 [ 51.177610] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1015456f8f [ 51.184988] RBP: ffff8880aa2b7d30 R08: 0000000000000017 R09: ffffed1015d23ee3 [ 51.192255] R10: ffffed1015d23ee2 R11: ffff8880ae91f717 R12: ffff88809155d3c8 [ 51.199515] R13: ffff8880a4580708 R14: ffff88809155db00 R15: ffff88807cab30c0 [ 51.206766] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 51.214971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.220829] CR2: 0000000020000140 CR3: 000000000866d000 CR4: 00000000001406e0 [ 51.228080] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.235328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.242573] Call Trace: [ 51.245149] process_one_work+0x989/0x1750 [ 51.249366] ? pwq_dec_nr_in_flight+0x320/0x320 [ 51.254016] ? lock_acquire+0x16f/0x3f0 [ 51.257970] ? kasan_check_write+0x14/0x20 [ 51.262182] ? do_raw_spin_lock+0xc8/0x240 [ 51.266398] worker_thread+0x98/0xe40 [ 51.270182] kthread+0x354/0x420 [ 51.273526] ? process_one_work+0x1750/0x1750 [ 51.278011] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 51.283531] ret_from_fork+0x24/0x30 [ 51.287225] Modules linked in: [ 51.290817] ---[ end trace 28bec6b3bc8e7e58 ]--- [ 51.295601] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 51.301206] Code: df 31 ff fa 0f 0b e8 84 cc 14 fb 48 c7 c7 40 23 f1 87 e8 cc 31 ff fa 0f 0b e8 71 cc 14 fb 48 c7 c7 40 23 f1 87 e8 b9 31 ff fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 51.320154] RSP: 0018:ffff8880aa2b7ce8 EFLAGS: 00010282 [ 51.325554] RAX: 0000000000000017 RBX: ffff88809155db38 RCX: 0000000000000000 [ 51.332814] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1015456f8f [ 51.340095] RBP: ffff8880aa2b7d30 R08: 0000000000000017 R09: ffffed1015d23ee3 [ 51.347394] R10: ffffed1015d23ee2 R11: f