Warning: Permanently added '10.128.0.53' (ECDSA) to the list of known hosts. 2020/07/25 06:34:02 parsed 1 programs 2020/07/25 06:34:02 executed programs: 0 syzkaller login: [ 43.299255] audit: type=1400 audit(1595658842.719:8): avc: denied { execmem } for pid=6472 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 43.327183] IPVS: ftp: loaded support on port[0] = 21 [ 43.428975] chnl_net:caif_netlink_parms(): no params data found [ 43.544622] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.554951] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.564353] device bridge_slave_0 entered promiscuous mode [ 43.575852] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.582392] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.589441] device bridge_slave_1 entered promiscuous mode [ 43.609244] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.620558] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.638907] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.647144] team0: Port device team_slave_0 added [ 43.653783] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.661598] team0: Port device team_slave_1 added [ 43.677477] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.683800] 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. [ 43.710187] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.722230] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.729864] 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. [ 43.757781] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.769289] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.777332] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.832871] device hsr_slave_0 entered promiscuous mode [ 43.880444] device hsr_slave_1 entered promiscuous mode [ 43.921084] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.929659] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.003172] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.010500] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.018990] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.025784] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.062055] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 44.068201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.077849] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.087660] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.107811] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.116640] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.126305] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.141512] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.151020] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.168081] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.176608] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.183875] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.201983] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.211265] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.217953] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.229135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.240837] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.251542] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.267763] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 44.278052] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 44.289512] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.297067] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.305917] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.314551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.328616] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.336937] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.344874] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.355880] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.370211] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 44.380719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.417121] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 44.424477] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 44.431773] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 44.441641] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 44.448189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 44.455888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.465397] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.472553] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.481171] device veth0_vlan entered promiscuous mode [ 44.491167] device veth1_vlan entered promiscuous mode [ 44.497153] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 44.506596] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 44.518440] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 44.527812] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 44.535028] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.542714] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.550051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.557691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.567844] device veth0_macvtap entered promiscuous mode [ 44.574054] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 44.583046] device veth1_macvtap entered promiscuous mode [ 44.589145] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 44.598802] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 44.608415] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 44.618722] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 44.626427] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.633443] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.641074] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.648082] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.655990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.666279] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 44.673333] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.680094] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.687886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.576744] ================================================================== [ 46.576783] BUG: KASAN: global-out-of-bounds in bit_putcs+0xbaf/0xd10 [ 46.576794] Read of size 1 at addr ffffffff87cd730e by task syz-executor.0/6915 [ 46.576797] [ 46.576811] CPU: 0 PID: 6915 Comm: syz-executor.0 Not tainted 4.19.134-syzkaller #0 [ 46.576817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.576822] Call Trace: [ 46.576837] dump_stack+0x1fc/0x2fe [ 46.576859] print_address_description.cold+0x5/0x219 [ 46.576874] kasan_report_error.cold+0x8a/0x1c7 [ 46.576886] ? bit_putcs+0xbaf/0xd10 [ 46.576898] __asan_report_load1_noabort+0x88/0x90 [ 46.576910] ? bit_putcs+0xbaf/0xd10 [ 46.576922] bit_putcs+0xbaf/0xd10 [ 46.576951] ? bit_cursor+0x1820/0x1820 [ 46.576966] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.576988] ? fb_get_color_depth+0x11a/0x240 [ 46.577002] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 46.577018] ? bit_cursor+0x1820/0x1820 [ 46.577031] fbcon_putcs+0x336/0x4f0 [ 46.577052] do_update_region+0x399/0x630 [ 46.577071] ? con_get_trans_old+0x280/0x280 [ 46.577091] ? fbcon_set_palette+0x4d0/0x5f0 [ 46.577105] ? var_to_display+0x7f0/0x7f0 [ 46.577120] redraw_screen+0x5e1/0x870 [ 46.577137] ? avc_has_perm_noaudit+0x1ec/0x390 [ 46.577150] ? vc_init+0x440/0x440 [ 46.577174] fbcon_do_set_font+0x734/0xa30 [ 46.577194] ? fbcon_do_set_font+0xa30/0xa30 [ 46.577208] fbcon_copy_font+0x125/0x190 [ 46.577224] con_font_op+0x637/0x10e0 [ 46.577239] ? __might_fault+0x11f/0x1d0 [ 46.577255] ? con_write+0xb0/0xb0 [ 46.577268] ? lock_downgrade+0x720/0x720 [ 46.577281] ? lock_acquire+0x170/0x3c0 [ 46.577294] ? __might_fault+0xef/0x1d0 [ 46.577315] ? __might_fault+0x192/0x1d0 [ 46.577335] vt_ioctl+0x167e/0x24d0 [ 46.577352] ? vt_waitactive+0x350/0x350 [ 46.577367] ? avc_has_extended_perms+0x86d/0xea0 [ 46.577384] ? futex_wake+0x159/0x480 [ 46.577403] ? avc_ss_reset+0x170/0x170 [ 46.577415] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 46.577432] ? tty_jobctrl_ioctl+0x4d/0xed0 [ 46.577445] ? vt_waitactive+0x350/0x350 [ 46.577460] tty_ioctl+0x5b0/0x15c0 [ 46.577475] ? tty_fasync+0x300/0x300 [ 46.577489] ? mark_held_locks+0xf0/0xf0 [ 46.577502] ? do_futex+0x163/0x1c40 [ 46.577526] ? mark_held_locks+0xf0/0xf0 [ 46.577541] ? __lock_acquire+0x6de/0x3ff0 [ 46.577557] ? mark_held_locks+0xf0/0xf0 [ 46.577577] ? __might_fault+0x11f/0x1d0 [ 46.577591] ? tty_fasync+0x300/0x300 [ 46.577617] do_vfs_ioctl+0xcdb/0x12e0 [ 46.577634] ? selinux_file_ioctl+0x506/0x6c0 [ 46.577649] ? ioctl_preallocate+0x200/0x200 [ 46.577664] ? selinux_inode_link+0x20/0x20 [ 46.577681] ? __fget+0x356/0x510 [ 46.577699] ? do_dup2+0x450/0x450 [ 46.577724] ksys_ioctl+0x9b/0xc0 [ 46.577741] __x64_sys_ioctl+0x6f/0xb0 [ 46.577755] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.577771] do_syscall_64+0xf9/0x620 [ 46.577791] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.577802] RIP: 0033:0x45c369 [ 46.577816] Code: 8d 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 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.577823] RSP: 002b:00007fae14623c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.577836] RAX: ffffffffffffffda RBX: 000000000000f540 RCX: 000000000045c369 [ 46.577843] RDX: 0000000020000480 RSI: 0000000000004b72 RDI: 0000000000000008 [ 46.577851] RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000 [ 46.577858] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c [ 46.577866] R13: 00007ffe3658c76f R14: 00007fae146249c0 R15: 000000000078bf0c [ 46.577881] [ 46.577885] The buggy address belongs to the variable: [ 46.577895] oid_index+0x4ce/0xa60 [ 46.577899] [ 46.577902] Memory state around the buggy address: [ 46.577913] ffffffff87cd7200: fa fa fa fa 00 07 fa fa fa fa fa fa 00 07 fa fa [ 46.577923] ffffffff87cd7280: fa fa fa fa 06 fa fa fa fa fa fa fa 00 00 00 04 [ 46.577933] >ffffffff87cd7300: fa fa fa fa 00 00 fa fa fa fa fa fa 00 00 06 fa [ 46.577938] ^ [ 46.577947] ffffffff87cd7380: fa fa fa fa 00 00 01 fa fa fa fa fa 00 00 00 00 [ 46.577956] ffffffff87cd7400: fa fa fa fa 00 00 00 fa fa fa fa fa 00 01 fa fa [ 46.577960] ================================================================== [ 46.577965] Disabling lock debugging due to kernel taint [ 46.589194] Kernel panic - not syncing: panic_on_warn set ... [ 46.589194] [ 46.589212] CPU: 1 PID: 6915 Comm: syz-executor.0 Tainted: G B 4.19.134-syzkaller #0 [ 46.589219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.589224] Call Trace: [ 46.589242] dump_stack+0x1fc/0x2fe [ 46.589257] panic+0x26a/0x50e [ 46.589269] ? __warn_printk+0xf3/0xf3 [ 46.589284] ? preempt_schedule_common+0x45/0xc0 [ 46.589300] ? ___preempt_schedule+0x16/0x18 [ 46.589322] ? trace_hardirqs_on+0x55/0x210 [ 46.589337] kasan_end_report+0x43/0x49 [ 46.589349] kasan_report_error.cold+0xa7/0x1c7 [ 46.589361] ? bit_putcs+0xbaf/0xd10 [ 46.589374] __asan_report_load1_noabort+0x88/0x90 [ 46.589385] ? bit_putcs+0xbaf/0xd10 [ 46.589396] bit_putcs+0xbaf/0xd10 [ 46.589416] ? bit_cursor+0x1820/0x1820 [ 46.589430] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.589447] ? fb_get_color_depth+0x11a/0x240 [ 46.589460] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 46.589473] ? bit_cursor+0x1820/0x1820 [ 46.589486] fbcon_putcs+0x336/0x4f0 [ 46.589502] do_update_region+0x399/0x630 [ 46.589518] ? con_get_trans_old+0x280/0x280 [ 46.589534] ? fbcon_set_palette+0x4d0/0x5f0 [ 46.589547] ? var_to_display+0x7f0/0x7f0 [ 46.589561] redraw_screen+0x5e1/0x870 [ 46.589576] ? avc_has_perm_noaudit+0x1ec/0x390 [ 46.589588] ? vc_init+0x440/0x440 [ 46.589607] fbcon_do_set_font+0x734/0xa30 [ 46.589621] ? fbcon_do_set_font+0xa30/0xa30 [ 46.589634] fbcon_copy_font+0x125/0x190 [ 46.589648] con_font_op+0x637/0x10e0 [ 46.589662] ? __might_fault+0x11f/0x1d0 [ 46.589676] ? con_write+0xb0/0xb0 [ 46.589688] ? lock_downgrade+0x720/0x720 [ 46.589700] ? lock_acquire+0x170/0x3c0 [ 46.589711] ? __might_fault+0xef/0x1d0 [ 46.589735] ? __might_fault+0x192/0x1d0 [ 46.589752] vt_ioctl+0x167e/0x24d0 [ 46.589767] ? vt_waitactive+0x350/0x350 [ 46.589781] ? avc_has_extended_perms+0x86d/0xea0 [ 46.589799] ? futex_wake+0x159/0x480 [ 46.589815] ? avc_ss_reset+0x170/0x170 [ 46.589827] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 46.589842] ? tty_jobctrl_ioctl+0x4d/0xed0 [ 46.589854] ? vt_waitactive+0x350/0x350 [ 46.589866] tty_ioctl+0x5b0/0x15c0 [ 46.589879] ? tty_fasync+0x300/0x300 [ 46.589892] ? mark_held_locks+0xf0/0xf0 [ 46.589904] ? do_futex+0x163/0x1c40 [ 46.589918] ? mark_held_locks+0xf0/0xf0 [ 46.589932] ? __lock_acquire+0x6de/0x3ff0 [ 46.589945] ? mark_held_locks+0xf0/0xf0 [ 46.589961] ? __might_fault+0x11f/0x1d0 [ 46.589974] ? tty_fasync+0x300/0x300 [ 46.589989] do_vfs_ioctl+0xcdb/0x12e0 [ 46.590004] ? selinux_file_ioctl+0x506/0x6c0 [ 46.590018] ? ioctl_preallocate+0x200/0x200 [ 46.590031] ? selinux_inode_link+0x20/0x20 [ 46.590046] ? __fget+0x356/0x510 [ 46.590060] ? do_dup2+0x450/0x450 [ 46.590078] ksys_ioctl+0x9b/0xc0 [ 46.590093] __x64_sys_ioctl+0x6f/0xb0 [ 46.590107] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.590129] do_syscall_64+0xf9/0x620 [ 46.590145] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.590155] RIP: 0033:0x45c369 [ 46.590173] Code: 8d 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 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 46.590181] RSP: 002b:00007fae14623c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.590193] RAX: ffffffffffffffda RBX: 000000000000f540 RCX: 000000000045c369 [ 46.590200] RDX: 0000000020000480 RSI: 0000000000004b72 RDI: 0000000000000008 [ 46.590207] RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000 [ 46.590214] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c [ 46.590222] R13: 00007ffe3658c76f R14: 00007fae146249c0 R15: 000000000078bf0c [ 46.591385] Kernel Offset: disabled [ 47.368877] Rebooting in 86400 seconds..