[ 37.370177] audit: type=1800 audit(1572130340.869:32): pid=7395 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2450 res=0 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. [ 38.179845] audit: type=1800 audit(1572130341.769:33): pid=7395 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 Warning: Permanently added '10.128.0.100' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 47.259412] kauditd_printk_skb: 2 callbacks suppressed [ 47.259428] audit: type=1400 audit(1572130350.849:36): avc: denied { map } for pid=7582 comm="syz-executor867" path="/root/syz-executor867767297" 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 [ 47.275629] IPVS: ftp: loaded support on port[0] = 21 [ 47.320681] rxrpc: Assertion failed [ 47.324748] ------------[ cut here ]------------ [ 47.329492] kernel BUG at net/rxrpc/local_object.c:437! [ 47.334996] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 47.340353] CPU: 1 PID: 19 Comm: kworker/1:0 Not tainted 4.19.80 #0 [ 47.346869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.356236] Workqueue: krxrpcd rxrpc_local_processor [ 47.361341] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 47.366951] 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 [ 47.385854] RSP: 0018:ffff8880aa2b7ce8 EFLAGS: 00010282 [ 47.391202] RAX: 0000000000000017 RBX: ffff88808ef92938 RCX: 0000000000000000 [ 47.398451] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1015456f8f [ 47.405700] RBP: ffff8880aa2b7d30 R08: 0000000000000017 R09: ffffed1015d25079 [ 47.412949] R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff88808ef921c8 [ 47.420198] R13: ffff88809f430708 R14: ffff88808ef92900 R15: ffff888082926580 [ 47.427451] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 47.435656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.441520] CR2: 0000000020000080 CR3: 000000000866d000 CR4: 00000000001406e0 [ 47.448777] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.456026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.463272] Call Trace: [ 47.465851] process_one_work+0x989/0x1750 [ 47.470078] ? pwq_dec_nr_in_flight+0x320/0x320 [ 47.474750] ? lock_acquire+0x16f/0x3f0 [ 47.478705] ? kasan_check_write+0x14/0x20 [ 47.482940] ? do_raw_spin_lock+0xc8/0x240 [ 47.487167] worker_thread+0x98/0xe40 [ 47.490955] kthread+0x354/0x420 [ 47.494304] ? process_one_work+0x1750/0x1750 [ 47.498782] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 47.504307] ret_from_fork+0x24/0x30 [ 47.508001] Modules linked in: [ 47.511674] ---[ end trace 5c17497e8002276e ]--- [ 47.516458] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 47.522114] 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 [ 47.541049] RSP: 0018:ffff8880aa2b7ce8 EFLAGS: 00010282 [ 47.546396] RAX: 0000000000000017 RBX: ffff88808ef92938 RCX: 0000000000000000 [ 47.553736] RDX: 0000000000000000 RSI: ffffffff81553f06 RDI: ffffed1015456f8f [ 47.561023] RBP: ffff8880aa2b7d30 R08: 0000000000000017 R09: ffffed1015d25079 [ 47.568405] R10: ffffed1015d25078 R11