[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.857826] audit: type=1800 audit(1575586380.960:33): pid=7612 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 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 47.397520] kauditd_printk_skb: 1 callbacks suppressed [ 47.397533] audit: type=1400 audit(1575586385.500:35): avc: denied { map } for pid=7788 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 '10.128.0.49' (ECDSA) to the list of known hosts. [ 54.002317] audit: type=1400 audit(1575586392.100:36): avc: denied { map } for pid=7800 comm="syz-executor258" path="/root/syz-executor258500308" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 54.024569] IPVS: ftp: loaded support on port[0] = 21 executing program [ 54.057711] audit: type=1400 audit(1575586392.160:37): avc: denied { create } for pid=7801 comm="syz-executor258" 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 [ 54.066508] rxrpc: Assertion failed [ 54.083552] audit: type=1400 audit(1575586392.160:38): avc: denied { write } for pid=7801 comm="syz-executor258" 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 [ 54.088214] ------------[ cut here ]------------ [ 54.110737] audit: type=1400 audit(1575586392.160:39): avc: denied { read } for pid=7801 comm="syz-executor258" 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 [ 54.114681] kernel BUG at net/rxrpc/local_object.c:437! [ 54.115115] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 54.149581] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.19.88-syzkaller #0 [ 54.156853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.166227] Workqueue: krxrpcd rxrpc_local_processor [ 54.171325] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 54.176953] Code: 3f 20 a7 fa 0f 0b e8 14 bb bc fa 48 c7 c7 00 35 5c 88 e8 2c 20 a7 fa 0f 0b e8 01 bb bc fa 48 c7 c7 00 35 5c 88 e8 19 20 a7 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 54.196639] RSP: 0018:ffff8880aa3efce8 EFLAGS: 00010282 [ 54.202023] RAX: 0000000000000017 RBX: ffff88807cdf0038 RCX: 0000000000000000 [ 54.209282] RDX: 0000000000000000 RSI: ffffffff81558b96 RDI: ffffed101547df8f [ 54.217031] RBP: ffff8880aa3efd30 R08: 0000000000000017 R09: ffffed1015d25079 [ 54.224284] R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff88807a7b7888 [ 54.231538] R13: ffff88809f030788 R14: ffff88807cdf0000 R15: ffff8880a3509680 [ 54.238821] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 54.247029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.252898] CR2: 00000000006d9f70 CR3: 0000000008e6d000 CR4: 00000000001406e0 [ 54.260157] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.267411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.274995] Call Trace: [ 54.277581] process_one_work+0x989/0x1750 [ 54.281833] ? pwq_dec_nr_in_flight+0x320/0x320 [ 54.286485] ? lock_acquire+0x16f/0x3f0 [ 54.290444] ? kasan_check_write+0x14/0x20 [ 54.294661] ? do_raw_spin_lock+0xc8/0x240 [ 54.298885] worker_thread+0x98/0xe40 [ 54.302674] kthread+0x354/0x420 [ 54.306041] ? process_one_work+0x1750/0x1750 [ 54.310520] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 54.316064] ret_from_fork+0x24/0x30 [ 54.319890] Modules linked in: [ 54.323542] ---[ end trace d341b549744abccd ]--- [ 54.328523] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 54.334472] Code: 3f 20 a7 fa 0f 0b e8 14 bb bc fa 48 c7 c7 00 35 5c 88 e8 2c 20 a7 fa 0f 0b e8 01 bb bc fa 48 c7 c7 00 35 5c 88 e8 19 20 a7 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 54.353735] RSP: 0018:ffff8880aa3efce8 EFLAGS: 00010282 [