Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.72' (ECDSA) to the list of known hosts. 2021/04/14 07:35:38 parsed 1 programs 2021/04/14 07:35:38 executed programs: 0 syzkaller login: [ 30.278120] IPVS: ftp: loaded support on port[0] = 21 [ 30.359940] chnl_net:caif_netlink_parms(): no params data found [ 30.441401] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.448211] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.457067] device bridge_slave_0 entered promiscuous mode [ 30.465147] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.472026] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.479164] device bridge_slave_1 entered promiscuous mode [ 30.495873] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 30.504591] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 30.522222] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 30.529505] team0: Port device team_slave_0 added [ 30.534920] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 30.542972] team0: Port device team_slave_1 added [ 30.559220] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 30.565473] 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. [ 30.591575] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 30.603277] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 30.609921] 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. [ 30.635635] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 30.646481] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 30.654260] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 30.672653] device hsr_slave_0 entered promiscuous mode [ 30.678389] device hsr_slave_1 entered promiscuous mode [ 30.684193] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 30.691992] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 30.753993] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.760471] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.767404] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.773786] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.800558] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 30.807342] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.814921] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 30.824602] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 30.843095] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.850490] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.861854] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 30.868086] 8021q: adding VLAN 0 to HW filter on device team0 [ 30.876046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 30.884316] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.890704] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.902405] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 30.910894] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.917471] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.936146] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 30.946216] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 30.958105] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 30.967130] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 30.974707] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 30.982762] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 30.990516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 30.998421] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 31.005232] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 31.017542] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 31.024638] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 31.032351] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 31.042918] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 31.093827] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 31.103240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 31.134514] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 31.141925] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 31.149509] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 31.159210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 31.167024] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 31.173899] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 31.183002] device veth0_vlan entered promiscuous mode [ 31.191930] device veth1_vlan entered promiscuous mode [ 31.198423] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 31.207669] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 31.218744] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 31.227852] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 31.234866] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 31.242992] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 31.252221] device veth0_macvtap entered promiscuous mode [ 31.259264] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 31.268368] device veth1_macvtap entered promiscuous mode [ 31.277108] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 31.287998] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 31.297537] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 31.304118] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 31.312638] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 31.322582] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 31.329563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 31.338254] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 32.296234] Bluetooth: hci0 command 0x0409 tx timeout [ 32.996778] ------------[ cut here ]------------ [ 33.001683] WARNING: CPU: 1 PID: 8654 at drivers/gpu/drm/drm_prime.c:898 drm_prime_destroy_file_private+0x3e/0x50 [ 33.012082] Kernel panic - not syncing: panic_on_warn set ... [ 33.012082] [ 33.019444] CPU: 1 PID: 8654 Comm: syz-executor.0 Not tainted 4.14.230-syzkaller #0 [ 33.027227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.036557] Call Trace: [ 33.039148] dump_stack+0x1b2/0x281 [ 33.042757] panic+0x1f9/0x42d [ 33.045938] ? add_taint.cold+0x16/0x16 [ 33.049895] ? drm_prime_destroy_file_private+0x3e/0x50 [ 33.055247] ? drm_prime_destroy_file_private+0x3e/0x50 [ 33.060598] __warn.cold+0x20/0x44 [ 33.064134] ? ist_end_non_atomic+0x10/0x10 [ 33.068437] ? drm_prime_destroy_file_private+0x3e/0x50 [ 33.073800] report_bug+0x208/0x250 [ 33.077427] do_error_trap+0x195/0x2d0 [ 33.081302] ? math_error+0x2d0/0x2d0 [ 33.085083] ? lock_downgrade+0x740/0x740 [ 33.089212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.094038] invalid_op+0x1b/0x40 [ 33.097751] RIP: 0010:drm_prime_destroy_file_private+0x3e/0x50 [ 33.103695] RSP: 0018:ffff888094c9fd60 EFLAGS: 00010297 [ 33.109052] RAX: ffff8880a1e00400 RBX: ffff8880a5c7fdb8 RCX: 1ffff110143c0195 [ 33.116299] RDX: 0000000000000000 RSI: ffff8880a1e00c88 RDI: ffff8880a5c7fe38 [ 33.123557] RBP: ffffffff837dea70 R08: 0000000000000000 R09: 0000000000000000 [ 33.131674] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a5c7fb40 [ 33.138925] R13: ffff888238488780 R14: ffff8880a5c7fcf8 R15: ffff8880a5c7fd20 [ 33.146278] ? vgem_gem_free_object+0xd0/0xd0 [ 33.150879] drm_release+0xaf9/0xfa0 [ 33.154584] ? ima_file_free+0x4f/0x330 [ 33.158563] ? drm_lastclose+0x2b0/0x2b0 [ 33.162608] __fput+0x25f/0x7a0 [ 33.165869] task_work_run+0x11f/0x190 [ 33.169759] exit_to_usermode_loop+0x1ad/0x200 [ 33.174338] ? SyS_ioctl+0x5c/0xb0 [ 33.177877] do_syscall_64+0x4a3/0x640 [ 33.181747] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.186915] RIP: 0033:0x466459 [ 33.190083] RSP: 002b:00007efc01a6b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 33.197790] RAX: 0000000000000000 RBX: 000000000056bf60 RCX: 0000000000466459 [ 33.205040] RDX: 0000000020000140 RSI: 00000000c10c5541 RDI: 0000000000000003 [ 33.212290] RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 [ 33.219588] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 [ 33.226858] R13: 00007ffd79b00bdf R14: 00007efc01a6b300 R15: 0000000000022000 [ 33.234796] Kernel Offset: disabled [ 33.238461] Rebooting in 86400 seconds..