[ 65.308528][ T26] audit: type=1800 audit(1573717190.909:33): pid=9221 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 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: [ 68.974068][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 68.974082][ T26] audit: type=1400 audit(1573717194.579:41): avc: denied { map } for pid=9400 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 '10.128.0.92' (ECDSA) to the list of known hosts. 2019/11/14 07:40:01 parsed 1 programs [ 75.559774][ T26] audit: type=1400 audit(1573717201.169:42): avc: denied { map } for pid=9412 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 75.640528][ T26] audit: type=1400 audit(1573717201.249:43): avc: denied { map } for pid=9412 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=16573 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/11/14 07:40:03 executed programs: 0 [ 77.633184][ T9427] IPVS: ftp: loaded support on port[0] = 21 [ 77.698168][ T9427] chnl_net:caif_netlink_parms(): no params data found [ 77.727138][ T9427] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.734868][ T9427] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.742725][ T9427] device bridge_slave_0 entered promiscuous mode [ 77.751095][ T9427] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.758178][ T9427] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.766012][ T9427] device bridge_slave_1 entered promiscuous mode [ 77.783907][ T9427] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.794525][ T9427] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.813805][ T9427] team0: Port device team_slave_0 added [ 77.821918][ T9427] team0: Port device team_slave_1 added [ 77.881700][ T9427] device hsr_slave_0 entered promiscuous mode [ 77.929695][ T9427] device hsr_slave_1 entered promiscuous mode [ 78.091774][ T9427] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.099038][ T9427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.107049][ T9427] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.114227][ T9427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.232684][ T9427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.273879][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.312093][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.341930][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.379866][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.425632][ T9427] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.460216][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.490715][ T2992] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.497827][ T2992] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.553511][ T9455] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.570944][ T9455] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.578052][ T9455] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.641417][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.660384][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.668999][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.694875][ T9427] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.730485][ T9427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.745719][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.756171][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.808279][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.835765][ T2992] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.854304][ T9427] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.894798][ T26] audit: type=1400 audit(1573717204.499:44): avc: denied { associate } for pid=9427 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 [ 82.178629][ T9970] kasan: CONFIG_KASAN_INLINE enabled [ 82.184040][ T9970] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 82.192087][ T9970] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 82.199040][ T9970] CPU: 0 PID: 9970 Comm: syz-executor.0 Not tainted 5.4.0-rc7+ #0 [ 82.206855][ T9970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.216944][ T9970] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 82.222575][ T9970] 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 a5 06 8a 0f 84 5f ee ff [ 82.242173][ T9970] RSP: 0018:ffff8880854e7b48 EFLAGS: 00010006 [ 82.248232][ T9970] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 82.256185][ T9970] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 82.264131][ T9970] RBP: ffff8880854e7c60 R08: 0000000000000001 R09: 0000000000000001 [ 82.272078][ T9970] R10: fffffbfff138cef8 R11: ffff8880948fa2c0 R12: 00000000000010c0 [ 82.280026][ T9970] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 82.287993][ T9970] FS: 00007ff9d9b13700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 82.296931][ T9970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.303496][ T9970] CR2: 000000000075c000 CR3: 00000000878db000 CR4: 00000000001406f0 [ 82.311449][ T9970] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.319403][ T9970] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.327349][ T9970] Call Trace: [ 82.330620][ T9970] ? __kasan_check_read+0x11/0x20 [ 82.335628][ T9970] ? __lock_acquire+0x16f2/0x4a00 [ 82.341302][ T9970] ? rwlock_bug.part.0+0x90/0x90 [ 82.346239][ T9970] ? lock_acquire+0x190/0x410 [ 82.350914][ T9970] ? mark_held_locks+0xf0/0xf0 [ 82.355672][ T9970] lock_acquire+0x190/0x410 [ 82.360152][ T9970] ? j1939_jsk_del+0x32/0x240 [ 82.364832][ T9970] _raw_spin_lock_bh+0x33/0x50 [ 82.369578][ T9970] ? j1939_jsk_del+0x32/0x240 [ 82.374237][ T9970] j1939_jsk_del+0x32/0x240 [ 82.378715][ T9970] ? lock_sock_nested+0xe2/0x120 [ 82.383649][ T9970] j1939_sk_bind+0x2e2/0x8e0 [ 82.388224][ T9970] __sys_bind+0x239/0x290 [ 82.392558][ T9970] ? __ia32_sys_socketpair+0xf0/0xf0 [ 82.397832][ T9970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.404047][ T9970] ? put_timespec64+0xda/0x140 [ 82.408787][ T9970] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 82.414224][ T9970] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 82.419662][ T9970] ? do_syscall_64+0x26/0x760 [ 82.424326][ T9970] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.430761][ T9970] ? do_syscall_64+0x26/0x760 [ 82.435429][ T9970] __x64_sys_bind+0x73/0xb0 [ 82.439939][ T9970] do_syscall_64+0xfa/0x760 [ 82.444435][ T9970] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.450304][ T9970] RIP: 0033:0x45a219 [ 82.454177][ T9970] 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 [ 82.473769][ T9970] RSP: 002b:00007ff9d9b12c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 [ 82.483734][ T9970] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a219 [ 82.491698][ T9970] RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000003 [ 82.499781][ T9970] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 82.507835][ T9970] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff9d9b136d4 [ 82.515798][ T9970] R13: 00000000004c057e R14: 00000000004d2c50 R15: 00000000ffffffff [ 82.523764][ T9970] Modules linked in: [ 82.527704][ T9970] ---[ end trace a8a66af32e0b133f ]--- [ 82.533154][ T9970] RIP: 0010:__lock_acquire+0x1254/0x4a00 [ 82.538764][ T9970] 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 a5 06 8a 0f 84 5f ee ff [ 82.558365][ T9970] RSP: 0018:ffff8880854e7b48 EFLAGS: 00010006 [ 82.564450][ T9970] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 82.572403][ T9970] RDX: 0000000000000218 RSI: 0000000000000000 RDI: 0000000000000001 [ 82.580377][ T9970] RBP: ffff8880854e7c60 R08: 0000000000000001 R09: 0000000000000001 [ 82.588345][ T9970] R10: fffffbfff138cef8 R11: ffff8880948fa2c0 R12: 00000000000010c0 [ 82.596309][ T9970] R13: 0000000000000000 R14: 00000000000010c0 R15: 0000000000000000 [ 82.604305][ T9970] FS: 00007ff9d9b13700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 82.613254][ T9970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.619851][ T9970] CR2: 000000000075c000 CR3: 00000000878db000 CR4: 00000000001406f0 [ 82.627802][ T9970] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.636367][ T9970] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.644319][ T9970] Kernel panic - not syncing: Fatal exception in interrupt [ 82.652815][ T9970] Kernel Offset: disabled [ 82.657142][ T9970] Rebooting in 86400 seconds..