[ 71.390064][ T26] audit: type=1800 audit(1567081987.774:32): pid=10312 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=2417 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 76.214555][ T26] kauditd_printk_skb: 2 callbacks suppressed [ 76.214568][ T26] audit: type=1400 audit(1567081992.684:35): avc: denied { map } for pid=10489 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 '10.128.0.146' (ECDSA) to the list of known hosts. executing program [ 82.475861][ T26] audit: type=1400 audit(1567081998.944:36): avc: denied { map } for pid=10501 comm="syz-executor991" path="/root/syz-executor991912494" 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 [ 82.509540][T10502] IPVS: ftp: loaded support on port[0] = 21 [ 82.534052][ T22] rxrpc: Assertion failed [ 82.538792][ T22] ------------[ cut here ]------------ [ 82.544243][ T22] kernel BUG at net/rxrpc/local_object.c:433! [ 82.551854][ T22] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 82.557967][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.3.0-rc6+ #121 [ 82.565490][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.575642][ T22] Workqueue: krxrpcd rxrpc_local_processor [ 82.581440][ T22] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 82.587742][ T22] Code: 9f 85 c0 fa 0f 0b e8 54 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 8c 85 c0 fa 0f 0b e8 41 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 79 85 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 82.607320][ T22] RSP: 0018:ffff8880a9a67ce8 EFLAGS: 00010282 [ 82.613365][ T22] RAX: 0000000000000017 RBX: ffff88808b97edb8 RCX: 0000000000000000 [ 82.621313][ T22] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed101534cf8f [ 82.629260][ T22] RBP: ffff8880a9a67d30 R08: 0000000000000017 R09: ffffed1015d24101 [ 82.637224][ T22] R10: ffffed1015d24100 R11: ffff8880ae920807 R12: ffff88808b97e648 [ 82.645173][ T22] R13: ffff8880a4888748 R14: ffff88808b97ed80 R15: ffff88809a63c500 [ 82.653123][ T22] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 82.662025][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.668583][ T22] CR2: 000000000049f2d0 CR3: 0000000008c6d000 CR4: 00000000001406e0 [ 82.676566][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.684514][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.692459][ T22] Call Trace: [ 82.695738][ T22] process_one_work+0x9af/0x1740 [ 82.700665][ T22] ? pwq_dec_nr_in_flight+0x320/0x320 [ 82.706013][ T22] ? lock_acquire+0x190/0x410 [ 82.710672][ T22] worker_thread+0x98/0xe40 [ 82.715155][ T22] kthread+0x361/0x430 [ 82.719201][ T22] ? process_one_work+0x1740/0x1740 [ 82.724378][ T22] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 82.730610][ T22] ret_from_fork+0x24/0x30 [ 82.734998][ T22] Modules linked in: [ 82.739097][ T22] ---[ end trace aa7dcc2e2d234bea ]--- [ 82.744572][ T22] RIP: 0010:rxrpc_local_processor.cold+0x24/0x29 [ 82.751013][ T22] Code: 9f 85 c0 fa 0f 0b e8 54 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 8c 85 c0 fa 0f 0b e8 41 e6 d6 fa 48 c7 c7 20 58 3a 88 e8 79 85 c0 fa <0f> 0b 90 90 90 55 48 89 e5 41 57 49 89 ff 41 56 41 55 41 54 53 48 [ 82.770670][ T22] RSP: 0018:ffff8880a9a67ce8 EFLAGS: 00010282 [ 82.776759][ T22] RAX: 0000000000000017 RBX: ffff88808b97edb8 RCX: 0000000000000000 [ 82.784758][ T22] RDX: 0000000000000000 RSI: ffffffff815c2576 RDI: ffffed101534cf8f [ 82.792770][ T22] RBP: ffff8880a9a67d30 R08: 0000000000000017 R09: ffffed1015d24101 [ 82.800752][ T22] R10: ffffed1015d24100 R11: ffff8880ae920807 R12: ffff88808b97e648 [ 82.809882][ T22] R13: ffff8880a4888748 R14: ffff88808b97ed80 R15: ffff88809a63c500 [ 82.817849][ T22] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 82.826808][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.833416][ T22] CR2: 000000000049f2d0 CR3: 0000000008c6d000 CR4: 00000000001406e0 [ 82.841430][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.849899][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.858029][ T22] Kernel panic - not syncing: Fatal exception [ 82.865352][ T22] Kernel Offset: disabled [ 82.869703][ T22] Rebooting in 86400 seconds..