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. [ 40.676322] audit: type=1800 audit(1571427279.553:33): pid=7427 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: [ 44.840128] kauditd_printk_skb: 1 callbacks suppressed [ 44.840141] audit: type=1400 audit(1571427283.713:35): avc: denied { map } for pid=7602 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 '10.128.0.25' (ECDSA) to the list of known hosts. executing program [ 51.363896] audit: type=1400 audit(1571427290.243:36): avc: denied { map } for pid=7614 comm="syz-executor048" path="/root/syz-executor048980388" 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 [ 51.378937] IPVS: ftp: loaded support on port[0] = 21 [ 51.418839] rxrpc: Assertion failed [ 51.423189] ------------[ cut here ]------------ [ 51.428167] kernel BUG at net/rxrpc/local_object.c:437! [ 51.433942] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 51.439325] CPU: 1 PID: 24 Comm: kworker/1:1 Not tainted 4.19.80 #0 [ 51.445746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.455103] Workqueue: krxrpcd rxrpc_local_processor [ 51.460210] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 51.465821] 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 [ 51.484819] RSP: 0018:ffff8880aa3e7ce8 EFLAGS: 00010282 [ 51.490178] RAX: 0000000000000017 RBX: ffff8880a54e4978 RCX: 0000000000000000 [ 51.497463] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed101547cf8f [ 51.504742] RBP: ffff8880aa3e7d30 R08: 0000000000000017 R09: ffff8880aa3cef08 [ 51.512001] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a54e4208 [ 51.519272] R13: ffff88809c0e0748 R14: ffff8880a54e4940 R15: ffff8880980bfb00 [ 51.526526] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 51.534741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.540626] CR2: 00000000006cb090 CR3: 000000000866d000 CR4: 00000000001406e0 [ 51.547890] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.555143] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.562480] Call Trace: [ 51.565070] process_one_work+0x989/0x1750 [ 51.569395] ? pwq_dec_nr_in_flight+0x320/0x320 [ 51.574061] ? lock_acquire+0x16f/0x3f0 [ 51.578020] ? kasan_check_write+0x14/0x20 [ 51.582253] ? do_raw_spin_lock+0xc8/0x240 [ 51.586475] worker_thread+0x98/0xe40 [ 51.590260] ? trace_hardirqs_on+0x67/0x220 [ 51.594832] kthread+0x354/0x420 [ 51.598208] ? process_one_work+0x1750/0x1750 [ 51.602709] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 51.608524] ret_from_fork+0x24/0x30 [ 51.612223] Modules linked in: [ 51.615773] ---[ end trace cb5936d2404bfd20 ]--- [ 51.620549] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 51.626217] 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 [ 51.645172] RSP: 0018:ffff8880aa3e7ce8 EFLAGS: 00010282 [ 51.650804] RAX: 0000000000000017 RBX: ffff8880a54e4978 RCX: 0000000000000000 [ 51.658139] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed101547cf8f [ 51.665461] RBP: ffff8880aa3e7d30 R08: 0000000000000