[  OK  ] Started OpenBSD Secure Shell server.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.


Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts.
2020/04/20 22:46:18 parsed 1 programs
2020/04/20 22:46:19 executed programs: 0
syzkaller login: [   42.603100][ T7038] IPVS: ftp: loaded support on port[0] = 21
[   42.687390][ T7038] chnl_net:caif_netlink_parms(): no params data found
[   42.743784][ T7038] bridge0: port 1(bridge_slave_0) entered blocking state
[   42.752229][ T7038] bridge0: port 1(bridge_slave_0) entered disabled state
[   42.759942][ T7038] device bridge_slave_0 entered promiscuous mode
[   42.769602][ T7038] bridge0: port 2(bridge_slave_1) entered blocking state
[   42.777527][ T7038] bridge0: port 2(bridge_slave_1) entered disabled state
[   42.785802][ T7038] device bridge_slave_1 entered promiscuous mode
[   42.805356][ T7038] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   42.817187][ T7038] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   42.837804][ T7038] team0: Port device team_slave_0 added
[   42.845434][ T7038] team0: Port device team_slave_1 added
[   42.862888][ T7038] batman_adv: batadv0: Adding interface: batadv_slave_0
[   42.870106][ T7038] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[   42.898684][ T7038] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   42.911838][ T7038] batman_adv: batadv0: Adding interface: batadv_slave_1
[   42.918803][ T7038] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[   42.945629][ T7038] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   43.033344][ T7038] device hsr_slave_0 entered promiscuous mode
[   43.090705][ T7038] device hsr_slave_1 entered promiscuous mode
[   43.223271][ T7038] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   43.283607][ T7038] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   43.343065][ T7038] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   43.412636][ T7038] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   43.473740][ T7038] bridge0: port 2(bridge_slave_1) entered blocking state
[   43.481050][ T7038] bridge0: port 2(bridge_slave_1) entered forwarding state
[   43.488755][ T7038] bridge0: port 1(bridge_slave_0) entered blocking state
[   43.495915][ T7038] bridge0: port 1(bridge_slave_0) entered forwarding state
[   43.536120][ T7038] 8021q: adding VLAN 0 to HW filter on device bond0
[   43.549689][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   43.560617][ T2928] bridge0: port 1(bridge_slave_0) entered disabled state
[   43.568878][ T2928] bridge0: port 2(bridge_slave_1) entered disabled state
[   43.577727][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   43.591465][ T7038] 8021q: adding VLAN 0 to HW filter on device team0
[   43.602244][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   43.611718][ T4079] bridge0: port 1(bridge_slave_0) entered blocking state
[   43.618799][ T4079] bridge0: port 1(bridge_slave_0) entered forwarding state
[   43.641363][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   43.651152][ T2928] bridge0: port 2(bridge_slave_1) entered blocking state
[   43.658273][ T2928] bridge0: port 2(bridge_slave_1) entered forwarding state
[   43.667095][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   43.678571][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   43.687613][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   43.702712][ T7038] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   43.714877][ T7038] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   43.727503][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   43.737694][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   43.747467][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   43.756601][ T2724] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   43.776354][ T7038] 8021q: adding VLAN 0 to HW filter on device batadv0
[   43.789906][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   43.799164][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   43.807728][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   43.827291][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[   43.837218][ T2928] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   43.857439][ T7038] device veth0_vlan entered promiscuous mode
[   43.864663][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[   43.874017][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   43.883845][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   43.892114][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   43.905779][ T7038] device veth1_vlan entered promiscuous mode
[   43.925151][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   43.933983][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   43.942930][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[   43.952026][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   43.964053][ T7038] device veth0_macvtap entered promiscuous mode
[   43.973821][ T7038] device veth1_macvtap entered promiscuous mode
[   43.988828][ T7038] batman_adv: batadv0: Interface activated: batadv_slave_0
[   43.996599][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   44.004941][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[   44.013415][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[   44.022065][ T2917] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   44.034972][ T7038] batman_adv: batadv0: Interface activated: batadv_slave_1
[   44.043597][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[   44.053245][ T4079] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   44.443295][ T7273] ------------[ cut here ]------------
[   44.448795][ T7273] kernel BUG at drivers/dma-buf/dma-buf.c:99!
[   44.465243][ T7273] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   44.471499][ T7273] CPU: 1 PID: 7273 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0
[   44.480206][ T7273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   44.490270][ T7273] RIP: 0010:dma_buf_release+0x339/0x350
[   44.495935][ T7273] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c7 fd ff ff 48 89 df e8 98 cf 1f fd e9 ba fd ff ff e8 6e f1 e1 fc 0f 0b e8 67 f1 e1 fc <0f> 0b e8 60 f1 e1 fc 0f 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00
[   44.515537][ T7273] RSP: 0018:ffffc90001bb7df0 EFLAGS: 00010293
[   44.521593][ T7273] RAX: ffffffff84917029 RBX: 0000000000000004 RCX: ffff88808e988580
[   44.529575][ T7273] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[   44.537553][ T7273] RBP: ffffffff84916cf0 R08: ffffffff84916db4 R09: ffffc90001bb7dc0
[   44.545508][ T7273] R10: fffff52000376fbc R11: 0000000000000000 R12: ffff888097a6c000
[   44.553643][ T7273] R13: dffffc0000000000 R14: ffff8880a89b34f0 R15: 1ffff1101513666d
[   44.561621][ T7273] FS:  0000000000f72940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[   44.570531][ T7273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.577113][ T7273] CR2: 00007ffe1b3ba697 CR3: 000000009f24b000 CR4: 00000000001406e0
[   44.585069][ T7273] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.593111][ T7273] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.601188][ T7273] Call Trace:
[   44.604459][ T7273]  __fput+0x2ed/0x750
[   44.608421][ T7273]  task_work_run+0x147/0x1d0
[   44.613008][ T7273]  prepare_exit_to_usermode+0x48e/0x600
[   44.618548][ T7273]  ? syscall_return_slowpath+0xf9/0x420
[   44.624082][ T7273]  entry_SYSCALL_64_after_hwframe+0x49/0xb3
[   44.629962][ T7273] RIP: 0033:0x416421
[   44.634003][ T7273] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01
[   44.653604][ T7273] RSP: 002b:00007ffe53ef7330 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
[   44.662664][ T7273] RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000416421
[   44.670618][ T7273] RDX: 0000000000000000 RSI: 0000000000000081 RDI: 0000000000000007
[   44.678841][ T7273] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   44.686792][ T7273] R10: 00000000007908c0 R11: 0000000000000293 R12: 00000000007908d0
[   44.694744][ T7273] R13: 0000000000000000 R14: ffffffffffffffff R15: 000000000078bf0c
[   44.702711][ T7273] Modules linked in:
[   44.709824][ T7273] ---[ end trace 0c565ee7dd19f2e6 ]---
[   44.715733][ T7273] RIP: 0010:dma_buf_release+0x339/0x350
[   44.721677][ T7273] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c7 fd ff ff 48 89 df e8 98 cf 1f fd e9 ba fd ff ff e8 6e f1 e1 fc 0f 0b e8 67 f1 e1 fc <0f> 0b e8 60 f1 e1 fc 0f 0b 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00
[   44.747278][ T7273] RSP: 0018:ffffc90001bb7df0 EFLAGS: 00010293
[   44.753442][ T7273] RAX: ffffffff84917029 RBX: 0000000000000004 RCX: ffff88808e988580
[   44.761608][ T7273] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
[   44.769616][ T7273] RBP: ffffffff84916cf0 R08: ffffffff84916db4 R09: ffffc90001bb7dc0
[   44.778961][ T7273] R10: fffff52000376fbc R11: 0000000000000000 R12: ffff888097a6c000
[   44.787061][ T7273] R13: dffffc0000000000 R14: ffff8880a89b34f0 R15: 1ffff1101513666d
[   44.795093][ T7273] FS:  0000000000f72940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[   44.804340][ T7273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.811059][ T7273] CR2: 00007ffe1b3ba697 CR3: 000000009f24b000 CR4: 00000000001406e0
[   44.819051][ T7273] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   44.827084][ T7273] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   44.835190][ T7273] Kernel panic - not syncing: Fatal exception
[   44.842765][ T7273] Kernel Offset: disabled
[   44.847216][ T7273] Rebooting in 86400 seconds..