[ 42.097954] audit: type=1800 audit(1563582076.480:30): pid=7649 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 mcstransd:
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 47.077222] kauditd_printk_skb: 4 callbacks suppressed
[ 47.077238] audit: type=1400 audit(1563582081.470:35): avc: denied { map } for pid=7822 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 '10.128.0.137' (ECDSA) to the list of known hosts.
executing program
[ 53.744151] audit: type=1400 audit(1563582088.140:36): avc: denied { map } for pid=7834 comm="syz-executor669" path="/root/syz-executor669307364" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[ 53.747798] netlink: 4 bytes leftover after parsing attributes in process `syz-executor669'.
[ 53.781563] kasan: CONFIG_KASAN_INLINE enabled
[ 53.786299] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 53.794391] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 53.801037] CPU: 0 PID: 7834 Comm: syz-executor669 Not tainted 4.19.59 #32
[ 53.808613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 53.819311] RIP: 0010:tcf_ife_init+0x221/0x17d0
[ 53.824307] Code: fb 48 c7 c2 99 43 81 85 be 01 00 00 00 48 c7 c7 60 da 79 88 e8 c0 26 d1 fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 83
[ 53.843766] RSP: 0018:ffff888078c8eee0 EFLAGS: 00010246
[ 53.849312] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110151b6d5e
[ 53.856657] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000282
[ 53.863945] RBP: ffff888078c8f068 R08: ffff8880a8db6280 R09: 0000000000000001
[ 53.871372] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000001
[ 53.878649] R13: ffff88809b116900 R14: ffff888078c8f040 R15: 0000000000000001
[ 53.886015] FS: 0000000001bdc880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[ 53.894319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.900208] CR2: 0000000020000180 CR3: 00000000851ee000 CR4: 00000000001406f0
[ 53.907535] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.914850] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.922124] Call Trace:
[ 53.924762] ? __add_metainfo+0x480/0x480
[ 53.928965] ? lock_downgrade+0x810/0x810
[ 53.933156] ? kasan_check_write+0x14/0x20
[ 53.937435] ? do_raw_read_unlock+0x3f/0x70
[ 53.941794] tcf_action_init_1+0x804/0xc40
[ 53.946035] ? tcf_action_dump_old+0x80/0x80
[ 53.950447] ? __lock_acquire+0x6eb/0x48f0
[ 53.955048] ? __lock_acquire+0x6eb/0x48f0
[ 53.959315] ? memset+0x32/0x40
[ 53.962594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 53.968157] tcf_action_init+0x23e/0x360
[ 53.972246] ? tcf_action_init_1+0xc40/0xc40
[ 53.976673] ? avc_has_extended_perms+0x10f0/0x10f0
[ 53.981687] ? lock_downgrade+0x810/0x810
[ 53.985832] tcf_action_add+0xe8/0x370
[ 53.989746] ? tca_action_gd+0x16b0/0x16b0
[ 53.994009] ? is_bpf_text_address+0xac/0x170
[ 53.998517] ? memset+0x32/0x40
[ 54.001800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 54.007329] ? nla_parse+0x1fc/0x2f0
[ 54.011046] tc_ctl_action+0x37a/0x46f
[ 54.014951] ? tcf_action_add+0x370/0x370
[ 54.019093] ? __lock_is_held+0xb6/0x140
[ 54.023154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 54.028706] ? tcf_action_add+0x370/0x370
[ 54.032867] rtnetlink_rcv_msg+0x463/0xb00
[ 54.037095] ? rtnetlink_put_metrics+0x570/0x570
[ 54.041845] ? netlink_deliver_tap+0x22d/0xc20
[ 54.046427] ? find_held_lock+0x35/0x130
[ 54.050482] netlink_rcv_skb+0x17d/0x460
[ 54.054622] ? rtnetlink_put_metrics+0x570/0x570
[ 54.059394] ? netlink_ack+0xb50/0xb50
[ 54.063279] ? kasan_check_read+0x11/0x20
[ 54.067451] ? netlink_deliver_tap+0x254/0xc20
[ 54.072055] rtnetlink_rcv+0x1d/0x30
[ 54.075788] netlink_unicast+0x537/0x720
[ 54.079862] ? netlink_attachskb+0x770/0x770
[ 54.084263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 54.089794] netlink_sendmsg+0x8ae/0xd70
[ 54.093872] ? netlink_unicast+0x720/0x720
[ 54.098101] ? selinux_socket_sendmsg+0x36/0x40
[ 54.102782] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 54.108309] ? security_socket_sendmsg+0x8d/0xc0
[ 54.113073] ? netlink_unicast+0x720/0x720
[ 54.117324] sock_sendmsg+0xd7/0x130
[ 54.121048] ___sys_sendmsg+0x803/0x920
[ 54.125043] ? copy_msghdr_from_user+0x430/0x430
[ 54.129812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 54.135359] ? __handle_mm_fault+0x7d1/0x3f80
[ 54.139845] ? vmf_insert_mixed_mkwrite+0x90/0x90
[ 54.144713] ? find_held_lock+0x35/0x130
[ 54.155929] ? __do_page_fault+0x676/0xe90
[ 54.160163] ? find_held_lock+0x35/0x130
[ 54.164217] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 54.169748] ? __fget_light+0x1a9/0x230
[ 54.173731] ? __fdget+0x1b/0x20
[ 54.177106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 54.182639] __sys_sendmsg+0x105/0x1d0
[ 54.186542] ? __ia32_sys_shutdown+0x80/0x80
[ 54.190970] ? up_read+0x1a/0x110
[ 54.194447] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 54.199197] ? do_syscall_64+0x26/0x620
[ 54.203161] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 54.208532] ? do_syscall_64+0x26/0x620
[ 54.212515] __x64_sys_sendmsg+0x78/0xb0
[ 54.216577] do_syscall_64+0xfd/0x620
[ 54.220380] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 54.225578] RIP: 0033:0x4401d9
[ 54.228765] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[ 54.247682] RSP: 002b:00007ffd64e67b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 54.255521] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401d9
[ 54.262806] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
[ 54.270076] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
[ 54.277338] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a60
[ 54.284606] R13: 0000000000401af0 R14: 0000000000000000 R15: 0000000000000000
[ 54.291891] Modules linked in:
[ 54.295838] ---[ end trace 6955273d9f46bd7d ]---
[ 54.300695] RIP: 0010:tcf_ife_init+0x221/0x17d0
[ 54.305388] Code: fb 48 c7 c2 99 43 81 85 be 01 00 00 00 48 c7 c7 60 da 79 88 e8 c0 26 d1 fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 83
[ 54.324380] RSP: 0018:ffff888078c8eee0 EFLAGS: 00010246
[ 54.329814] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110151b6d5e
[ 54.338316] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000282
[ 54.345662] RBP: ffff888078c8f068 R08: ffff8880a8db6280 R09: 0000000000000001
[ 54.352996] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: 0000000000000001
[ 54.360334] R13: ffff88809b116900 R14: ffff888078c8f040 R15: 0000000000000001
[ 54.367618] FS: 0000000001bdc880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[ 54.375914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.381852] CR2: 0000000020000180 CR3: 00000000851ee000 CR4: 00000000001406f0
[ 54.389177] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 54.396475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 54.403820] Kernel panic - not syncing: Fatal exception
[ 54.410359] Kernel Offset: disabled
[ 54.413991] Rebooting in 86400 seconds..