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. [ 37.845110] audit: type=1800 audit(1571569451.998:33): pid=7393 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 [ 37.866306] audit: type=1800 audit(1571569451.998:34): pid=7393 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: [ 39.460128] audit: type=1400 audit(1571569453.618:35): avc: denied { map } for pid=7568 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 '10.128.0.123' (ECDSA) to the list of known hosts. executing program [ 46.039269] audit: type=1400 audit(1571569460.198:36): avc: denied { map } for pid=7581 comm="syz-executor062" path="/root/syz-executor062268250" 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 [ 46.057471] IPVS: ftp: loaded support on port[0] = 21 [ 46.094298] rxrpc: Assertion failed [ 46.098290] ------------[ cut here ]------------ [ 46.103030] kernel BUG at net/rxrpc/local_object.c:437! [ 46.108628] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 46.113990] CPU: 0 PID: 2719 Comm: kworker/0:2 Not tainted 4.19.80 #0 [ 46.120551] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.129900] Workqueue: krxrpcd rxrpc_local_processor [ 46.135002] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 46.140610] 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 [ 46.160488] RSP: 0018:ffff88809f78fce8 EFLAGS: 00010282 [ 46.165835] RAX: 0000000000000017 RBX: ffff888091d66db8 RCX: 0000000000000000 [ 46.173086] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1013ef1f8f [ 46.180336] RBP: ffff88809f78fd30 R08: 0000000000000017 R09: ffffed1015d05079 [ 46.187593] R10: ffffed1015d05078 R11: ffff8880ae8283c7 R12: ffff888091d66648 [ 46.194841] R13: ffff888097520788 R14: ffff888091d66d80 R15: ffff888094a38b00 [ 46.202100] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 46.210317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.216190] CR2: 00000000200002c0 CR3: 000000008a78e000 CR4: 00000000001406f0 [ 46.223536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.230793] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.238041] Call Trace: [ 46.240881] process_one_work+0x989/0x1750 [ 46.245104] ? pwq_dec_nr_in_flight+0x320/0x320 [ 46.249752] ? lock_acquire+0x16f/0x3f0 [ 46.253709] ? kasan_check_write+0x14/0x20 [ 46.257922] ? do_raw_spin_lock+0xc8/0x240 [ 46.262138] worker_thread+0x98/0xe40 [ 46.265919] ? trace_hardirqs_on+0x67/0x220 [ 46.270224] kthread+0x354/0x420 [ 46.273569] ? process_one_work+0x1750/0x1750 [ 46.278044] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 46.283560] ret_from_fork+0x24/0x30 [ 46.287251] Modules linked in: [ 46.290742] ---[ end trace 02146d32a8dc9529 ]--- [ 46.295506] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 46.301146] 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 [ 46.320108] RSP: 0018:ffff88809f78fce8 EFLAGS: 00010282 [ 46.325458] RAX: 0000000000000017 RBX: ffff888091d66db8 RCX: 0000000000000000 [ 46.332752] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1013ef1f8f [ 46.340045] RBP: ffff88809f78fd30 R08: 0000000000000017 R09: ff