[ 63.536899][ T26] audit: type=1800 audit(1573411655.258:33): pid=9201 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 68.907600][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 68.907614][ T26] audit: type=1400 audit(1573411660.628:41): avc: denied { map } for pid=9378 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 '10.128.10.59' (ECDSA) to the list of known hosts. 2019/11/10 18:47:47 parsed 1 programs [ 75.483824][ T26] audit: type=1400 audit(1573411667.208:42): avc: denied { map } for pid=9390 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 75.561969][ T26] audit: type=1400 audit(1573411667.288:43): avc: denied { map } for pid=9390 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=4030 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/11/10 18:47:49 executed programs: 0 [ 77.733247][ T9405] IPVS: ftp: loaded support on port[0] = 21 [ 77.796111][ T9405] chnl_net:caif_netlink_parms(): no params data found [ 77.824585][ T9405] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.832073][ T9405] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.839690][ T9405] device bridge_slave_0 entered promiscuous mode [ 77.847591][ T9405] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.854735][ T9405] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.862465][ T9405] device bridge_slave_1 entered promiscuous mode [ 77.878841][ T9405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.889764][ T9405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.908519][ T9405] team0: Port device team_slave_0 added [ 77.915931][ T9405] team0: Port device team_slave_1 added [ 77.992604][ T9405] device hsr_slave_0 entered promiscuous mode [ 78.060210][ T9405] device hsr_slave_1 entered promiscuous mode [ 78.234450][ T9405] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.241703][ T9405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.249461][ T9405] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.256603][ T9405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.364306][ T9405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.404038][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.440887][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.472662][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.500969][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.527230][ T9405] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.565074][ T3509] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.575588][ T3509] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.582710][ T3509] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.653933][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.663583][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.670694][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.734459][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.750927][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.759434][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.814338][ T9405] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.832316][ T9405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.841779][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.867101][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.902836][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.911777][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.926115][ T9405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.010066][ T26] audit: type=1400 audit(1573411670.728:44): avc: denied { associate } for pid=9405 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 80.678256][ T9675] kasan: CONFIG_KASAN_INLINE enabled [ 80.683566][ T9675] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 80.691629][ T9675] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 80.698562][ T9675] CPU: 0 PID: 9675 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 [ 80.706334][ T9675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.716376][ T9675] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 80.721984][ T9675] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 85 06 8a 0f 84 5f ee ff [ 80.741575][ T9675] RSP: 0018:ffff888087e7fb48 EFLAGS: 00010006 [ 80.747616][ T9675] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 80.755565][ T9675] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 80.763514][ T9675] RBP: ffff888087e7fc60 R08: 0000000000000001 R09: 0000000000000001 [ 80.771460][ T9675] R10: fffffbfff138cda0 R11: ffff8880a17fa1c0 R12: 00000000000010c0 [ 80.779407][ T9675] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 80.787356][ T9675] FS: 00007f2609769700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.796259][ T9675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.802815][ T9675] CR2: 000000000075c000 CR3: 00000000a383b000 CR4: 00000000001406f0 [ 80.810763][ T9675] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.818806][ T9675] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.826748][ T9675] Call Trace: [ 80.830024][ T9675] ? __kasan_check_read+0x11/0x20 [ 80.835027][ T9675] ? __lock_acquire+0x16f2/0x4a00 [ 80.840026][ T9675] ? rwlock_bug.part.0+0x90/0x90 [ 80.844947][ T9675] ? lock_acquire+0x190/0x410 [ 80.849598][ T9675] ? mark_held_locks+0xf0/0xf0 [ 80.854339][ T9675] lock_acquire+0x190/0x410 [ 80.858822][ T9675] ? j1939_jsk_del+0x32/0x240 [ 80.863476][ T9675] _raw_spin_lock_bh+0x33/0x50 [ 80.868216][ T9675] ? j1939_jsk_del+0x32/0x240 [ 80.872868][ T9675] j1939_jsk_del+0x32/0x240 [ 80.877346][ T9675] ? lock_sock_nested+0xe2/0x120 [ 80.882258][ T9675] j1939_sk_bind+0x2e2/0x8e0 [ 80.886825][ T9675] __sys_bind+0x239/0x290 [ 80.891138][ T9675] ? __ia32_sys_socketpair+0xf0/0xf0 [ 80.896407][ T9675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.902631][ T9675] ? put_timespec64+0xda/0x140 [ 80.907369][ T9675] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 80.912821][ T9675] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 80.918265][ T9675] ? do_syscall_64+0x26/0x760 [ 80.922925][ T9675] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.928963][ T9675] ? do_syscall_64+0x26/0x760 [ 80.933617][ T9675] __x64_sys_bind+0x73/0xb0 [ 80.938109][ T9675] do_syscall_64+0xfa/0x760 [ 80.942599][ T9675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.948477][ T9675] RIP: 0033:0x45a219 [ 80.952348][ T9675] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.971933][ T9675] RSP: 002b:00007f2609768c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 80.980316][ T9675] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 80.988274][ T9675] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 80.996233][ T9675] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 81.004177][ T9675] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f26097696d4 [ 81.012134][ T9675] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 81.020096][ T9675] Modules linked in: [ 81.023976][ T9675] ---[ end trace ddf4eca9563d282a ]--- [ 81.029416][ T9675] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 81.035034][ T9675] Code: 00 0f 85 96 24 00 00 48 81 c4 f0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 0b 28 00 00 49 81 3e e0 85 06 8a 0f 84 5f ee ff [ 81.054616][ T9675] RSP: 0018:ffff888087e7fb48 EFLAGS: 00010006 [ 81.060658][ T9675] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 81.068608][ T9675] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 81.076554][ T9675] RBP: ffff888087e7fc60 R08: 0000000000000001 R09: 0000000000000001 [ 81.084506][ T9675] R10: fffffbfff138cda0 R11: ffff8880a17fa1c0 R12: 00000000000010c0 [ 81.092461][ T9675] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 81.100450][ T9675] FS: 00007f2609769700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 81.109351][ T9675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.115910][ T9675] CR2: 000000000075c000 CR3: 00000000a383b000 CR4: 00000000001406f0 [ 81.123860][ T9675] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.131808][ T9675] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.139757][ T9675] Kernel panic - not syncing: Fatal exception in interrupt [ 81.148257][ T9675] Kernel Offset: disabled [ 81.152574][ T9675] Rebooting in 86400 seconds..