[ 42.210555] audit: type=1800 audit(1579228397.571:30): pid=7893 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 46.927537] kauditd_printk_skb: 4 callbacks suppressed [ 46.927553] audit: type=1400 audit(1579228402.311:35): avc: denied { map } for pid=8069 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 '10.128.0.104' (ECDSA) to the list of known hosts. executing program [ 53.747699] audit: type=1400 audit(1579228409.131:36): avc: denied { map } for pid=8081 comm="syz-executor403" path="/root/syz-executor403308819" 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 [ 53.771794] IPVS: ftp: loaded support on port[0] = 21 [ 53.805333] rxrpc: Assertion failed [ 53.809393] ------------[ cut here ]------------ [ 53.814139] kernel BUG at net/rxrpc/local_object.c:437! [ 53.820924] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 53.826292] CPU: 0 PID: 2865 Comm: kworker/0:2 Not tainted 4.19.96-syzkaller #0 [ 53.833765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.843122] Workqueue: krxrpcd rxrpc_local_processor [ 53.848227] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 53.853841] Code: 9f f9 9e fa 0f 0b e8 04 96 b4 fa 48 c7 c7 00 13 5d 88 e8 8c f9 9e fa 0f 0b e8 f1 95 b4 fa 48 c7 c7 00 13 5d 88 e8 79 f9 9e fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 53.872736] RSP: 0018:ffff88809e6e7ce8 EFLAGS: 00010282 [ 53.878087] RAX: 0000000000000017 RBX: ffff8880925a3278 RCX: 0000000000000000 [ 53.885344] RDX: 0000000000000000 RSI: ffffffff81558bc6 RDI: ffffed1013cdcf8f [ 53.892601] RBP: ffff88809e6e7d30 R08: 0000000000000017 R09: ffffed1015d05079 [ 53.899874] R10: ffffed1015d05078 R11: ffff8880ae8283c7 R12: ffff8880925a2b08 [ 53.907169] R13: ffff888092368748 R14: ffff8880925a3240 R15: ffff88807f87bac0 [ 53.914431] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 53.922642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.928523] CR2: 000000000049f2d0 CR3: 0000000008e6d000 CR4: 00000000001406f0 [ 53.935787] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.943047] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.950303] Call Trace: [ 53.952888] process_one_work+0x989/0x1750 [ 53.957125] ? pwq_dec_nr_in_flight+0x320/0x320 [ 53.961794] ? lock_acquire+0x16f/0x3f0 [ 53.965904] ? kasan_check_write+0x14/0x20 [ 53.970127] ? do_raw_spin_lock+0xd7/0x250 [ 53.974397] worker_thread+0x98/0xe40 [ 53.978242] ? trace_hardirqs_on+0x67/0x220 [ 53.982570] kthread+0x354/0x420 [ 53.985922] ? process_one_work+0x1750/0x1750 [ 53.990418] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 53.995945] ret_from_fork+0x24/0x30 [ 53.999681] Modules linked in: [ 54.003048] ---[ end trace 6c236c7826e3b28a ]--- [ 54.007822] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 54.013484] Code: 9f f9 9e fa 0f 0b e8 04 96 b4 fa 48 c7 c7 00 13 5d 88 e8 8c f9 9e fa 0f 0b e8 f1 95 b4 fa 48 c7 c7 00 13 5d 88 e8 79 f9 9e fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 54.032602] RSP: 0018:ffff88809e6e7ce8 EFLAGS: 00010282 [ 54.037959] RAX: 0000000000000017 RBX: ffff8880925a3278 RCX: 0000000000000000 [ 54.045255] RDX: 0000000000000000 RSI: ffffffff81558bc6 RDI: ffffed1013cdcf8f [ 54.052589] RBP: ffff88809e6e7d30 R08: 0000