[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?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: [ 45.935061][ T7573] IPVS: ftp: loaded support on port[0] = 21 [ 46.414355][ T7561] can: request_module (can-proto-0) failed. [ 49.330832][ T7561] can: request_module (can-proto-0) failed. [ 49.341846][ T7561] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.15.207' (ECDSA) to the list of known hosts. 2019/12/02 15:20:43 parsed 1 programs 2019/12/02 15:20:43 executed programs: 0 [ 56.923854][ T7649] IPVS: ftp: loaded support on port[0] = 21 [ 56.937087][ T7657] IPVS: ftp: loaded support on port[0] = 21 [ 56.938681][ T7652] IPVS: ftp: loaded support on port[0] = 21 [ 56.953474][ T7653] IPVS: ftp: loaded support on port[0] = 21 [ 56.960942][ T7655] IPVS: ftp: loaded support on port[0] = 21 [ 56.996351][ T7659] IPVS: ftp: loaded support on port[0] = 21 [ 57.200288][ T7649] chnl_net:caif_netlink_parms(): no params data found [ 57.209225][ T7657] chnl_net:caif_netlink_parms(): no params data found [ 57.240473][ T7657] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.248288][ T7657] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.256859][ T7657] device bridge_slave_0 entered promiscuous mode [ 57.266618][ T7657] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.273796][ T7657] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.281599][ T7657] device bridge_slave_1 entered promiscuous mode [ 57.310437][ T7655] chnl_net:caif_netlink_parms(): no params data found [ 57.354034][ T7655] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.362165][ T7655] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.369812][ T7655] device bridge_slave_0 entered promiscuous mode [ 57.388799][ T7657] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.408545][ T7655] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.415941][ T7655] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.423553][ T7655] device bridge_slave_1 entered promiscuous mode [ 57.438752][ T7657] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.490373][ T7653] chnl_net:caif_netlink_parms(): no params data found [ 57.508714][ T7655] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.520259][ T7659] chnl_net:caif_netlink_parms(): no params data found [ 57.537916][ T7649] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.544969][ T7649] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.553679][ T7649] device bridge_slave_0 entered promiscuous mode [ 57.561607][ T7652] chnl_net:caif_netlink_parms(): no params data found [ 57.579758][ T7655] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.591042][ T7657] team0: Port device team_slave_0 added [ 57.602615][ T7657] team0: Port device team_slave_1 added [ 57.610024][ T7649] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.617469][ T7649] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.625280][ T7649] device bridge_slave_1 entered promiscuous mode [ 57.653485][ T7649] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.666972][ T7649] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.716074][ T7655] team0: Port device team_slave_0 added [ 57.733958][ T7653] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.741395][ T7653] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.749209][ T7653] device bridge_slave_0 entered promiscuous mode [ 57.758757][ T7649] team0: Port device team_slave_0 added [ 57.764657][ T7653] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.772371][ T7653] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.780719][ T7653] device bridge_slave_1 entered promiscuous mode [ 57.787845][ T7659] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.794890][ T7659] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.803171][ T7659] device bridge_slave_0 entered promiscuous mode [ 57.811192][ T7655] team0: Port device team_slave_1 added [ 57.868170][ T7657] device hsr_slave_0 entered promiscuous mode [ 57.905581][ T7657] device hsr_slave_1 entered promiscuous mode [ 57.946695][ T7649] team0: Port device team_slave_1 added [ 57.959424][ T7659] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.967143][ T7659] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.974980][ T7659] device bridge_slave_1 entered promiscuous mode [ 57.982918][ T7652] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.990532][ T7652] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.999013][ T7652] device bridge_slave_0 entered promiscuous mode [ 58.036118][ T7653] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.045345][ T7652] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.052915][ T7652] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.060821][ T7652] device bridge_slave_1 entered promiscuous mode [ 58.107863][ T7655] device hsr_slave_0 entered promiscuous mode [ 58.175507][ T7655] device hsr_slave_1 entered promiscuous mode [ 58.225403][ T7655] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.250226][ T7653] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.344941][ T7649] device hsr_slave_0 entered promiscuous mode [ 58.375601][ T7649] device hsr_slave_1 entered promiscuous mode [ 58.416168][ T7649] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.425016][ T7659] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.498940][ T7659] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.541534][ T7652] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.612234][ T7653] team0: Port device team_slave_0 added [ 58.642033][ T7659] team0: Port device team_slave_0 added [ 58.702983][ T7652] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.773188][ T7653] team0: Port device team_slave_1 added [ 58.793205][ T7659] team0: Port device team_slave_1 added [ 59.079337][ T7653] device hsr_slave_0 entered promiscuous mode [ 59.197877][ T7653] device hsr_slave_1 entered promiscuous mode [ 59.239786][ T7653] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.354295][ T7652] team0: Port device team_slave_0 added [ 59.548706][ T7659] device hsr_slave_0 entered promiscuous mode [ 59.616427][ T7659] device hsr_slave_1 entered promiscuous mode [ 59.735282][ T7659] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.752388][ T7657] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.801234][ T7652] team0: Port device team_slave_1 added [ 59.854363][ T7655] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.006923][ T7657] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.105849][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.114784][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.184624][ T7655] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.263054][ T7649] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.333888][ T7652] device hsr_slave_0 entered promiscuous mode [ 60.459949][ T7652] device hsr_slave_1 entered promiscuous mode [ 60.526355][ T7652] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.578813][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.600917][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.654747][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.690646][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.715774][ T7705] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.723115][ T7705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.767138][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.784147][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.801375][ T7705] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.808533][ T7705] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.827813][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.847008][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.861088][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.870154][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.912794][ T7657] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.942958][ T7657] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.996907][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.016529][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.058604][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.099179][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.149674][ T7752] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.156824][ T7752] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.195868][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.231064][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.270764][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.296873][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.337481][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.390657][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.474971][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.513560][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.533629][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.552963][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.571204][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.578357][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.610753][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.631294][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.651288][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.677006][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.694484][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.704141][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.718518][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.731155][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.765080][ T7657] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.782514][ T7649] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.817915][ T7655] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.835273][ T7655] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.852356][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.860572][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.869577][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.881056][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.890161][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.898601][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.906128][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.943863][ T7655] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.951234][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.960124][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.969337][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.977951][ T7705] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.985022][ T7705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.994228][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.002902][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.011328][ T7705] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.018777][ T7705] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.026376][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.034845][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.043469][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.051107][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.058672][ T7705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.082932][ T7649] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.101410][ T7649] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.128724][ T7659] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.138624][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.148082][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.157006][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.165787][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.174038][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.182753][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.191299][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.199652][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.208715][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.216571][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.236826][ T7652] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.265799][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.273244][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.309836][ T7649] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.318791][ T7652] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.327005][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.334982][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.343153][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.351019][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.368612][ T7659] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.405389][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.414109][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.433060][ T3030] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.433731][ T7860] FAULT_INJECTION: forcing a failure. [ 62.433731][ T7860] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 62.440207][ T3030] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.453453][ T7860] CPU: 1 PID: 7860 Comm: syz-executor.5 Not tainted 5.4.0-syzkaller #0 [ 62.453458][ T7860] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.453460][ T7860] Call Trace: [ 62.453477][ T7860] dump_stack+0x12d/0x187 [ 62.453489][ T7860] should_fail.cold.4+0x5/0x13 [ 62.453496][ T7860] ? fault_create_debugfs_attr+0x150/0x150 [ 62.453508][ T7860] ? __lock_acquire+0x100f/0x4ef0 [ 62.462044][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.468905][ T7860] ? find_held_lock+0x36/0x1d0 [ 62.468917][ T7860] should_fail_alloc_page+0x50/0x60 [ 62.468923][ T7860] __alloc_pages_nodemask+0x17f/0x880 [ 62.468931][ T7860] ? __alloc_pages_slowpath+0x25f0/0x25f0 [ 62.468945][ T7860] cache_grow_begin+0x92/0xd50 [ 62.468949][ T7860] ? kmem_cache_alloc+0x9c/0x750 [ 62.468957][ T7860] ? trace_hardirqs_off+0x41/0x1a0 [ 62.468964][ T7860] kmem_cache_alloc+0x689/0x750 [ 62.468979][ T7860] io_uring_setup+0x2d3/0x1bd0 [ 62.468986][ T7860] ? rcu_read_lock_any_held+0xcd/0xf0 [ 62.468991][ T7860] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 62.468997][ T7860] ? io_sq_thread+0x950/0x950 [ 62.469006][ T7860] ? __kasan_check_write+0x14/0x20 [ 62.469012][ T7860] ? fput_many+0x1b/0x130 [ 62.469028][ T7860] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.469034][ T7860] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 62.469042][ T7860] __x64_sys_io_uring_setup+0x4f/0x70 [ 62.469051][ T7860] do_syscall_64+0xca/0x5d0 [ 62.469057][ T7860] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.469063][ T7860] RIP: 0033:0x45a679 [ 62.469070][ T7860] 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 [ 62.469073][ T7860] RSP: 002b:00007f12eb9b7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 62.469078][ T7860] RAX: ffffffffffffffda RBX: 00007f12eb9b7c90 RCX: 000000000045a679 [ 62.469081][ T7860] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 00000000000007af [ 62.469084][ T7860] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 62.469087][ T7860] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f12eb9b86d4 [ 62.469089][ T7860] R13: 00000000004c1d9c R14: 00000000004d6b18 R15: 0000000000000003 [ 62.682817][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.691276][ T3030] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.698360][ T3030] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.706538][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.715042][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.723675][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.732243][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.740829][ T3030] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.747927][ T3030] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.755866][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.764445][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.772863][ T3030] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.779960][ T3030] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.787724][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.798270][ T7653] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.806012][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready 2019/12/02 15:20:49 executed programs: 6 [ 62.814236][ T3030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.857499][ T7869] FAULT_INJECTION: forcing a failure. [ 62.857499][ T7869] name failslab, interval 1, probability 0, space 0, times 1 [ 62.872666][ T7869] CPU: 0 PID: 7869 Comm: syz-executor.4 Not tainted 5.4.0-syzkaller #0 [ 62.881983][ T7869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.887787][ T7659] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.892038][ T7869] Call Trace: [ 62.905643][ T7869] dump_stack+0x12d/0x187 [ 62.910153][ T7869] should_fail.cold.4+0x5/0x13 [ 62.914923][ T7869] ? lock_downgrade+0x900/0x900 [ 62.918561][ T7659] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.919783][ T7869] ? fault_create_debugfs_attr+0x150/0x150 [ 62.919795][ T7869] ? ___might_sleep+0x16b/0x2b0 [ 62.919808][ T7869] __should_failslab+0xba/0xf0 [ 62.919820][ T7869] should_failslab+0x9/0x14 [ 62.945202][ T7659] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.945508][ T7869] kmem_cache_alloc+0x2b8/0x750 [ 62.956766][ T7869] ? __kasan_check_read+0x11/0x20 [ 62.956774][ T7869] ? __validate_process_creds+0x21f/0x350 [ 62.956781][ T7869] prepare_creds+0x37/0x3b0 [ 62.956791][ T7869] io_uring_setup+0x828/0x1bd0 [ 62.956797][ T7869] ? rcu_read_lock_any_held+0xcd/0xf0 [ 62.956805][ T7869] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 62.992334][ T7869] ? io_sq_thread+0x950/0x950 [ 62.997032][ T7869] ? __kasan_check_write+0x14/0x20 [ 63.002151][ T7869] ? fput_many+0x1b/0x130 [ 63.006505][ T7869] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.012710][ T7869] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 63.018109][ T7869] __x64_sys_io_uring_setup+0x4f/0x70 [ 63.023468][ T7869] do_syscall_64+0xca/0x5d0 [ 63.027968][ T7869] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.033879][ T7869] RIP: 0033:0x45a679 [ 63.037764][ T7869] 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 [ 63.057365][ T7869] RSP: 002b:00007fd552064c78 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 63.065779][ T7869] RAX: ffffffffffffffda RBX: 00007fd552064c90 RCX: 000000000045a679 [ 63.073748][ T7869] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 00000000000007af [ 63.081791][ T7869] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 63.089761][ T7869] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd5520656d4 [ 63.097733][ T7869] R13: 00000000004c1d9c R14: 00000000004d6b18 R15: 0000000000000003 [ 63.111724][ T7878] FAULT_INJECTION: forcing a failure. [ 63.111724][ T7878] name failslab, interval 1, probability 0, space 0, times 1 [ 63.128193][ T7878] CPU: 1 PID: 7878 Comm: syz-executor.5 Not tainted 5.4.0-syzkaller #0 [ 63.134488][ T7653] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.136446][ T7878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.136451][ T7878] Call Trace: [ 63.136468][ T7878] dump_stack+0x12d/0x187 [ 63.136480][ T7878] should_fail.cold.4+0x5/0x13 [ 63.136489][ T7878] ? lock_downgrade+0x900/0x900 [ 63.136494][ T7878] ? fault_create_debugfs_attr+0x150/0x150 [ 63.136504][ T7878] ? ___might_sleep+0x16b/0x2b0 [ 63.136516][ T7878] __should_failslab+0xba/0xf0 [ 63.136525][ T7878] should_failslab+0x9/0x14 [ 63.136530][ T7878] kmem_cache_alloc_trace+0x2df/0x780 [ 63.136534][ T7878] ? kmem_cache_alloc+0x374/0x750 [ 63.136547][ T7878] io_uring_setup+0x352/0x1bd0 [ 63.136555][ T7878] ? rcu_read_lock_any_held+0xcd/0xf0 [ 63.136561][ T7878] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 63.136567][ T7878] ? io_sq_thread+0x950/0x950 [ 63.136576][ T7878] ? __kasan_check_write+0x14/0x20 [ 63.136581][ T7878] ? fput_many+0x1b/0x130 [ 63.136599][ T7878] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.136605][ T7878] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 63.136613][ T7878] __x64_sys_io_uring_setup+0x4f/0x70 [ 63.136623][ T7878] do_syscall_64+0xca/0x5d0 [ 63.136631][ T7878] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.136637][ T7878] RIP: 0033:0x45a679 [ 63.136645][ T7878] 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 [ 63.136649][ T7878] RSP: 002b:00007f12eb9b7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 63.136655][ T7878] RAX: ffffffffffffffda RBX: 00007f12eb9b7c90 RCX: 000000000045a679 [ 63.136659][ T7878] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 00000000000007af [ 63.136662][ T7878] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 63.136666][ T7878] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f12eb9b86d4 [ 63.136669][ T7878] R13: 00000000004c1d9c R14: 00000000004d6b18 R15: 0000000000000003 [ 63.235731][ T7879] kasan: CONFIG_KASAN_INLINE enabled [ 63.254111][ T3958] kobject: 'loop5' (0000000037790ae1): kobject_uevent_env [ 63.262826][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.298927][ T7884] FAULT_INJECTION: forcing a failure. [ 63.298927][ T7884] name failslab, interval 1, probability 0, space 0, times 0 [ 63.299661][ T7879] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 63.310759][ T7884] CPU: 0 PID: 7884 Comm: syz-executor.5 Not tainted 5.4.0-syzkaller #0 [ 63.315994][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.323165][ T7884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.331227][ T7879] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 63.336377][ T7884] Call Trace: [ 63.343461][ T7879] CPU: 1 PID: 7879 Comm: io_uring-sq Not tainted 5.4.0-syzkaller #0 [ 63.351354][ T7884] dump_stack+0x12d/0x187 [ 63.363935][ T7879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.371988][ T7884] should_fail.cold.4+0x5/0x13 [ 63.380178][ T7879] RIP: 0010:override_creds+0x86/0x150 [ 63.388040][ T7884] ? lock_downgrade+0x900/0x900 [ 63.398068][ T7879] Code: 03 0f 8e b5 00 00 00 81 7b 10 64 65 73 43 0f 85 d7 2c 00 00 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 8c 00 00 00 41 81 7c 24 10 64 [ 63.404974][ T7884] ? fault_create_debugfs_attr+0x150/0x150 [ 63.408227][ T7879] RSP: 0018:ffff88808dacfd68 EFLAGS: 00010202 [ 63.416170][ T7884] ? ___might_sleep+0x16b/0x2b0 [ 63.420460][ T7879] RAX: dffffc0000000000 RBX: ffff8880a0a7fc00 RCX: ffffffff81bba0d4 [ 63.430492][ T7884] __should_failslab+0xba/0xf0 [ 63.435397][ T7879] RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000010 [ 63.440735][ T7884] should_failslab+0x9/0x14 [ 63.445669][ T7879] RBP: ffff88808dacfd80 R08: ffffed1012ece4a1 R09: ffffed1012ece4a1 [ 63.465849][ T7884] kmem_cache_alloc_trace+0x2df/0x780 [ 63.471636][ T7879] R10: ffffed1012ece4a0 R11: ffff888097672507 R12: 0000000000000000 [ 63.477684][ T7884] ? kmem_cache_alloc+0x374/0x750 [ 63.482496][ T7879] R13: ffff88808dacfed8 R14: ffff888097672500 R15: ffff8880a3a7f000 [ 63.482500][ T7879] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 63.490449][ T7884] io_uring_setup+0x352/0x1bd0 [ 63.495171][ T7879] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.503199][ T7884] ? rcu_read_lock_any_held+0xcd/0xf0 [ 63.508113][ T7879] CR2: 00000000004eca80 CR3: 000000009437a000 CR4: 00000000001406e0 [ 63.517373][ T7884] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 63.522712][ T7879] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.530740][ T7884] ? io_sq_thread+0x950/0x950 [ 63.535726][ T7879] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.544107][ T7884] ? __kasan_check_write+0x14/0x20 [ 63.553001][ T7879] Call Trace: [ 63.557731][ T7884] ? fput_many+0x1b/0x130 [ 63.564283][ T7879] io_sq_thread+0x1c4/0x950 [ 63.569643][ T7884] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.577762][ T7879] ? __kthread_parkme+0xbb/0x1a0 [ 63.583020][ T7884] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 63.590965][ T7879] ? io_submit_sqes+0x2ad0/0x2ad0 [ 63.596268][ T7884] __x64_sys_io_uring_setup+0x4f/0x70 [ 63.606211][ T7879] ? do_raw_spin_lock+0x123/0x2d0 [ 63.611290][ T7884] do_syscall_64+0xca/0x5d0 [ 63.614552][ T7879] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 63.618846][ T7884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.623325][ T7879] ? __kthread_parkme+0xbb/0x1a0 [ 63.629357][ T7884] RIP: 0033:0x45a679 [ 63.634265][ T7879] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 63.639517][ T7884] 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 [ 63.644507][ T7879] ? trace_hardirqs_on+0x28/0x1a0 [ 63.649850][ T7884] RSP: 002b:00007f12eb9b7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 63.654841][ T7879] ? finish_wait+0x290/0x290 [ 63.659308][ T7884] RAX: ffffffffffffffda RBX: 00007f12eb9b7c90 RCX: 000000000045a679 [ 63.665082][ T7879] ? __kasan_check_read+0x11/0x20 [ 63.670972][ T7884] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 00000000000007af [ 63.675898][ T7879] ? __kthread_parkme+0xc8/0x1a0 [ 63.680096][ T7884] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 63.685870][ T7879] ? __kasan_check_read+0x11/0x20 [ 63.705444][ T7884] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f12eb9b86d4 [ 63.710433][ T7879] kthread+0x331/0x3f0 [ 63.718819][ T7884] R13: 00000000004c1d9c R14: 00000000004d6b18 R15: 0000000000000003 [ 63.723380][ T7879] ? io_submit_sqes+0x2ad0/0x2ad0 [ 63.735673][ T3958] kobject: 'loop5' (0000000037790ae1): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 63.736411][ T7879] ? kthread_mod_delayed_work+0x190/0x190 [ 63.764468][ T7887] FAULT_INJECTION: forcing a failure. [ 63.764468][ T7887] name failslab, interval 1, probability 0, space 0, times 0 [ 63.770254][ T7879] ret_from_fork+0x24/0x30 [ 63.770262][ T7879] Modules linked in: [ 63.771706][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.782081][ T7887] CPU: 0 PID: 7887 Comm: syz-executor.5 Tainted: G D 5.4.0-syzkaller #0 [ 63.783033][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.787425][ T7887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.787428][ T7887] Call Trace: [ 63.787444][ T7887] dump_stack+0x12d/0x187 [ 63.787453][ T7887] should_fail.cold.4+0x5/0x13 [ 63.787462][ T7887] ? lock_downgrade+0x900/0x900 [ 63.787467][ T7887] ? fault_create_debugfs_attr+0x150/0x150 [ 63.787470][ T7887] ? lock_acquire+0x194/0x410 [ 63.787480][ T7887] ? set_page_refcounted+0x100/0x100 [ 63.798389][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.803327][ T7887] ? ___might_sleep+0x16b/0x2b0 [ 63.803338][ T7887] __should_failslab+0xba/0xf0 [ 63.803347][ T7887] should_failslab+0x9/0x14 [ 63.803356][ T7887] kmem_cache_alloc_trace+0x2df/0x780 [ 63.816456][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.820298][ T7887] ? kmem_cache_alloc+0x323/0x750 [ 63.820312][ T7887] io_uring_setup+0x352/0x1bd0 [ 63.820320][ T7887] ? io_sq_thread+0x950/0x950 [ 63.824577][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.831980][ T7887] ? __kasan_check_write+0x14/0x20 [ 63.831985][ T7887] ? fput_many+0x1b/0x130 [ 63.831996][ T7887] ? trace_hardirqs_off_caller+0x49/0x190 [ 63.832004][ T7887] __x64_sys_io_uring_setup+0x4f/0x70 [ 63.832012][ T7887] do_syscall_64+0xca/0x5d0 [ 63.832022][ T7887] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.842188][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.849480][ T7887] RIP: 0033:0x45a679 [ 63.849487][ T7887] 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 [ 63.849489][ T7887] RSP: 002b:00007f12eb9b7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 63.849494][ T7887] RAX: ffffffffffffffda RBX: 00007f12eb9b7c90 RCX: 000000000045a679 [ 63.849496][ T7887] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 00000000000007af [ 63.849499][ T7887] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 63.849501][ T7887] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f12eb9b86d4 [ 63.849503][ T7887] R13: 00000000004c1d9c R14: 00000000004d6b18 R15: 0000000000000003 [ 63.850836][ T7879] ---[ end trace fb661ba05a641bee ]--- [ 63.862636][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.864777][ T7879] RIP: 0010:override_creds+0x86/0x150 [ 63.871031][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.873094][ T3958] kobject: 'loop5' (0000000037790ae1): kobject_uevent_env [ 63.883171][ T7889] FAULT_INJECTION: forcing a failure. [ 63.883171][ T7889] name failslab, interval 1, probability 0, space 0, times 0 [ 63.885222][ T3958] kobject: 'loop5' (0000000037790ae1): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 63.889062][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.897760][ T7879] Code: 03 0f 8e b5 00 00 00 81 7b 10 64 65 73 43 0f 85 d7 2c 00 00 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 8c 00 00 00 41 81 7c 24 10 64 [ 63.902067][ T7889] CPU: 1 PID: 7889 Comm: syz-executor.5 Tainted: G D 5.4.0-syzkaller #0 [ 63.908779][ T7879] RSP: 0018:ffff88808dacfd68 EFLAGS: 00010202 [ 63.911461][ T7889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.921966][ T7879] RAX: dffffc0000000000 RBX: ffff8880a0a7fc00 RCX: ffffffff81bba0d4 [ 63.929079][ T7889] Call Trace: [ 63.929094][ T7889] dump_stack+0x12d/0x187 [ 63.929104][ T7889] should_fail.cold.4+0x5/0x13 [ 63.929113][ T7889] ? lock_downgrade+0x900/0x900 [ 63.929117][ T7889] ? fault_create_debugfs_attr+0x150/0x150 [ 63.929120][ T7889] ? lock_acquire+0x194/0x410 [ 63.929125][ T7889] ? set_page_refcounted+0x100/0x100 [ 63.929132][ T7889] ? ___might_sleep+0x16b/0x2b0 [ 63.929139][ T7889] __should_failslab+0xba/0xf0 [ 63.929147][ T7889] should_failslab+0x9/0x14 [ 63.929151][ T7889] kmem_cache_alloc+0x2b8/0x750 [ 63.929155][ T7889] ? __kasan_check_read+0x11/0x20 [ 63.929159][ T7889] ? __validate_process_creds+0x21f/0x350 [ 63.929165][ T7889] prepare_creds+0x37/0x3b0 [ 63.929172][ T7889] io_uring_setup+0x828/0x1bd0 [ 63.929177][ T7889] ? io_sq_thread+0x950/0x950 [ 63.929182][ T7889] ? __kasan_check_write+0x14/0x20 [ 63.929186][ T7889] ? fput_many+0x1b/0x130 [ 63.929196][ T7889] ? trace_hardirqs_off_caller+0x49/0x190 [ 63.929200][ T7889] __x64_sys_io_uring_setup+0x4f/0x70 [ 63.929207][ T7889] do_syscall_64+0xca/0x5d0 [ 63.929216][ T7889] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.929220][ T7889] RIP: 0033:0x45a679 [ 63.929226][ T7889] 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 [ 63.929228][ T7889] RSP: 002b:00007f12eb9b7c78 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 63.929232][ T7889] RAX: ffffffffffffffda RBX: 00007f12eb9b7c90 RCX: 000000000045a679 [ 63.929234][ T7889] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 00000000000007af [ 63.929236][ T7889] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 63.929237][ T7889] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f12eb9b86d4 [ 63.929239][ T7889] R13: 00000000004c1d9c R14: 00000000004d6b18 R15: 0000000000000003 [ 63.929689][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.941237][ T7879] RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000010 [ 63.944467][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.952584][ T7879] RBP: ffff88808dacfd80 R08: ffffed1012ece4a1 R09: ffffed1012ece4a1 [ 63.958911][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.961840][ T7879] R10: ffffed1012ece4a0 R11: ffff888097672507 R12: 0000000000000000 [ 63.968285][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.973312][ T7879] R13: ffff88808dacfed8 R14: ffff888097672500 R15: ffff8880a3a7f000 [ 63.979002][ T7891] kasan: CONFIG_KASAN_INLINE enabled [ 63.984276][ T7879] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 63.992326][ T7752] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.016596][ T7879] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.023875][ T7891] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 64.032406][ T7879] CR2: 0000000001079e80 CR3: 000000009feb2000 CR4: 00000000001406f0 [ 64.041160][ T7891] general protection fault: 0000 [#2] PREEMPT SMP KASAN [ 64.047678][ T7879] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.055337][ T7891] CPU: 1 PID: 7891 Comm: io_uring-sq Tainted: G D 5.4.0-syzkaller #0 [ 64.055341][ T7891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.055354][ T7891] RIP: 0010:override_creds+0x86/0x150 [ 64.055359][ T7891] Code: 03 0f 8e b5 00 00 00 81 7b 10 64 65 73 43 0f 85 d7 2c 00 00 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 8c 00 00 00 41 81 7c 24 10 64 [ 64.055361][ T7891] RSP: 0018:ffff88808044fd68 EFLAGS: 00010202 [ 64.055365][ T7891] RAX: dffffc0000000000 RBX: ffff8880a16ebe00 RCX: ffffffff81bba0d4 [ 64.055367][ T7891] RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000010 [ 64.055369][ T7891] RBP: ffff88808044fd80 R08: ffffed101340ec21 R09: ffffed101340ec21 [ 64.055371][ T7891] R10: ffffed101340ec20 R11: ffff88809a076107 R12: 0000000000000000 [ 64.055373][ T7891] R13: ffff88808044fed8 R14: ffff88809a076100 R15: ffff8880a7f08000 [ 64.055376][ T7891] FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 64.055379][ T7891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.055381][ T7891] CR2: 0000000000738000 CR3: 000000009bffd000 CR4: 00000000001406e0 [ 64.055385][ T7891] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.055388][ T7891] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.055389][ T7891] Call Trace: [ 64.055402][ T7891] io_sq_thread+0x1c4/0x950 [ 64.055409][ T7891] ? __kasan_check_read+0x11/0x20 [ 64.055415][ T7891] ? trace_hardirqs_on+0x28/0x1a0 [ 64.055423][ T7891] ? __kthread_parkme+0xbb/0x1a0 [ 64.063480][ T7879] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.068793][ T7891] ? io_submit_sqes+0x2ad0/0x2ad0 [ 64.068797][ T7891] ? do_raw_spin_lock+0x123/0x2d0 [ 64.068801][ T7891] ? rwlock_bug.part.2+0x90/0x90 [ 64.068805][ T7891] ? lock_acquire+0x194/0x410 [ 64.068809][ T7891] ? __kthread_parkme+0x5c/0x1a0 [ 64.068815][ T7891] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 64.068819][ T7891] ? trace_hardirqs_on+0x28/0x1a0 [ 64.068827][ T7891] ? finish_wait+0x290/0x290 [ 64.068832][ T7891] ? __kasan_check_read+0x11/0x20 [ 64.068835][ T7891] ? __kthread_parkme+0xc8/0x1a0 [ 64.068839][ T7891] ? __kasan_check_read+0x11/0x20 [ 64.068845][ T7891] kthread+0x331/0x3f0 [ 64.078541][ T7879] Kernel panic - not syncing: Fatal exception [ 64.082058][ T7891] ? io_submit_sqes+0x2ad0/0x2ad0 [ 64.710769][ T7891] ? kthread_mod_delayed_work+0x190/0x190 [ 64.716581][ T7891] ret_from_fork+0x24/0x30 [ 64.720987][ T7891] Modules linked in: [ 64.726122][ T7879] Kernel Offset: disabled [ 64.730461][ T7879] Rebooting in 86400 seconds..