Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. 2020/07/28 07:36:07 parsed 1 programs 2020/07/28 07:36:07 executed programs: 0 syzkaller login: [ 77.796750][ T29] audit: type=1400 audit(1595921767.720:8): avc: denied { execmem } for pid=6832 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 77.830752][ T6833] IPVS: ftp: loaded support on port[0] = 21 [ 77.937646][ T6833] chnl_net:caif_netlink_parms(): no params data found [ 77.990820][ T6833] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.999492][ T6833] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.008705][ T6833] device bridge_slave_0 entered promiscuous mode [ 78.018133][ T6833] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.025247][ T6833] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.033780][ T6833] device bridge_slave_1 entered promiscuous mode [ 78.055567][ T6833] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.066787][ T6833] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.090972][ T6833] team0: Port device team_slave_0 added [ 78.099586][ T6833] team0: Port device team_slave_1 added [ 78.116775][ T6833] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.123810][ T6833] 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. [ 78.150905][ T6833] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.164144][ T6833] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.171618][ T6833] 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. [ 78.198192][ T6833] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.260336][ T6833] device hsr_slave_0 entered promiscuous mode [ 78.318311][ T6833] device hsr_slave_1 entered promiscuous mode [ 78.467181][ T6833] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.500159][ T6833] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.550945][ T6833] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.609499][ T6833] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.684351][ T6833] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.691860][ T6833] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.700167][ T6833] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.708145][ T6833] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.753850][ T6833] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.767194][ T3255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.778443][ T3255] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.786303][ T3255] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.795883][ T3255] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.809474][ T6833] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.822107][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.830723][ T2487] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.838001][ T2487] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.849456][ T3255] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.858476][ T3255] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.865659][ T3255] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.888979][ T3255] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.899078][ T3255] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.911620][ T3255] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.920248][ T3255] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.932660][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 78.942030][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.953799][ T6833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.972969][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.980674][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.994131][ T6833] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.014585][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 79.023764][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.047627][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 79.056214][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.068296][ T6833] device veth0_vlan entered promiscuous mode [ 79.078731][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.086501][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.099444][ T6833] device veth1_vlan entered promiscuous mode [ 79.122738][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.131741][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.141256][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.150590][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.161583][ T6833] device veth0_macvtap entered promiscuous mode [ 79.173035][ T6833] device veth1_macvtap entered promiscuous mode [ 79.189797][ T6833] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.198810][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.207731][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.215955][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.225137][ T3254] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.239327][ T6833] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.246623][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.256580][ T2487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2020/07/28 07:36:12 executed programs: 53 [ 83.451410][ T7344] ================================================================== [ 83.451488][ T7344] BUG: KASAN: global-out-of-bounds in bit_putcs+0xbb6/0xd20 [ 83.451501][ T7344] Read of size 1 at addr ffffffff889658ee by task syz-executor.0/7344 [ 83.451505][ T7344] [ 83.451521][ T7344] CPU: 1 PID: 7344 Comm: syz-executor.0 Not tainted 5.8.0-rc7-syzkaller #0 [ 83.451529][ T7344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.451534][ T7344] Call Trace: [ 83.451552][ T7344] dump_stack+0x18f/0x20d [ 83.451569][ T7344] ? bit_putcs+0xbb6/0xd20 [ 83.451583][ T7344] ? bit_putcs+0xbb6/0xd20 [ 83.451601][ T7344] print_address_description.constprop.0.cold+0x5/0x436 [ 83.451619][ T7344] ? lockdep_hardirqs_off+0x66/0xa0 [ 83.451643][ T7344] ? vprintk_func+0x97/0x1a6 [ 83.451665][ T7344] ? bit_putcs+0xbb6/0xd20 [ 83.451679][ T7344] kasan_report.cold+0x1f/0x37 [ 83.451696][ T7344] ? bit_putcs+0xbb6/0xd20 [ 83.451714][ T7344] bit_putcs+0xbb6/0xd20 [ 83.451745][ T7344] ? bit_cursor+0x17d0/0x17d0 [ 83.451760][ T7344] ? vga16fb_update_fix+0x4a0/0x4a0 [ 83.451786][ T7344] ? fb_get_color_depth+0x11a/0x240 [ 83.451805][ T7344] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 83.451825][ T7344] ? bit_cursor+0x17d0/0x17d0 [ 83.451839][ T7344] fbcon_putcs+0x33c/0x3f0 [ 83.451864][ T7344] do_update_region+0x399/0x630 [ 83.451887][ T7344] ? con_get_trans_old+0x280/0x280 [ 83.451906][ T7344] ? fbcon_set_palette+0x3a8/0x490 [ 83.451920][ T7344] ? var_to_display+0x7f0/0x7f0 [ 83.451941][ T7344] redraw_screen+0x64c/0x770 [ 83.451957][ T7344] ? lock_acquire+0x1f1/0xad0 [ 83.451974][ T7344] ? vc_init+0x440/0x440 [ 83.451998][ T7344] fbcon_do_set_font+0x7ec/0x950 [ 83.452019][ T7344] fbcon_copy_font+0x125/0x190 [ 83.452034][ T7344] ? fbcon_do_set_font+0x950/0x950 [ 83.452048][ T7344] con_font_op+0x65a/0x1110 [ 83.452066][ T7344] ? lock_downgrade+0x820/0x820 [ 83.452078][ T7344] ? con_write+0xb0/0xb0 [ 83.452103][ T7344] ? __might_fault+0x190/0x1d0 [ 83.452122][ T7344] vt_ioctl+0x16dc/0x2670 [ 83.452137][ T7344] ? trace_print_print+0x40/0x110 [ 83.452151][ T7344] ? lockdep_hardirqs_on+0x6a/0xe0 [ 83.452165][ T7344] ? vt_waitactive+0x350/0x350 [ 83.452184][ T7344] ? tomoyo_path_number_perm+0x244/0x4d0 [ 83.452203][ T7344] ? tomoyo_execute_permission+0x470/0x470 [ 83.452225][ T7344] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 83.452241][ T7344] ? tty_jobctrl_ioctl+0x4d/0x1010 [ 83.452254][ T7344] ? vt_waitactive+0x350/0x350 [ 83.452273][ T7344] tty_ioctl+0x1019/0x15f0 [ 83.452292][ T7344] ? tty_fasync+0x390/0x390 [ 83.452311][ T7344] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 83.452327][ T7344] ? do_vfs_ioctl+0x27d/0x1090 [ 83.452343][ T7344] ? generic_block_fiemap+0x60/0x60 [ 83.452362][ T7344] ? selinux_inode_getsecctx+0x90/0x90 [ 83.452375][ T7344] ? __might_fault+0x190/0x1d0 [ 83.452390][ T7344] ? _copy_to_user+0x126/0x160 [ 83.452412][ T7344] ? __fget_files+0x294/0x400 [ 83.452435][ T7344] ? tty_fasync+0x390/0x390 [ 83.452450][ T7344] ksys_ioctl+0x11a/0x180 [ 83.452466][ T7344] __x64_sys_ioctl+0x6f/0xb0 [ 83.452479][ T7344] ? lockdep_hardirqs_on+0x6a/0xe0 [ 83.452496][ T7344] do_syscall_64+0x60/0xe0 [ 83.452514][ T7344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.452525][ T7344] RIP: 0033:0x45c369 [ 83.452541][ T7344] 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 [ 83.452550][ T7344] RSP: 002b:00007f5ae18adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.452564][ T7344] RAX: ffffffffffffffda RBX: 000000000000f580 RCX: 000000000045c369 [ 83.452573][ T7344] RDX: 0000000020000480 RSI: 0000000000004b72 RDI: 0000000000000008 [ 83.452582][ T7344] RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000 [ 83.452590][ T7344] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c [ 83.452600][ T7344] R13: 00007ffe7c6c7f0f R14: 00007f5ae18ae9c0 R15: 000000000078bf0c [ 83.452619][ T7344] [ 83.452624][ T7344] The buggy address belongs to the variable: [ 83.452644][ T7344] oid_index+0x3ee/0xa00 [ 83.452648][ T7344] [ 83.452653][ T7344] Memory state around the buggy address: [ 83.452666][ T7344] ffffffff88965780: 00 05 fa fa fa fa fa fa 03 fa fa fa fa fa fa fa [ 83.452678][ T7344] ffffffff88965800: 03 fa fa fa fa fa fa fa 03 fa fa fa fa fa fa fa [ 83.452689][ T7344] >ffffffff88965880: 00 07 fa fa fa fa fa fa 00 07 fa fa fa fa fa fa [ 83.452696][ T7344] ^ [ 83.452708][ T7344] ffffffff88965900: 00 06 fa fa fa fa fa fa 06 fa fa fa fa fa fa fa [ 83.452720][ T7344] ffffffff88965980: 00 00 00 04 fa fa fa fa 00 00 fa fa fa fa fa fa [ 83.452725][ T7344] ================================================================== [ 83.452730][ T7344] Disabling lock debugging due to kernel taint [ 83.452786][ T7344] Kernel panic - not syncing: panic_on_warn set ... [ 83.452802][ T7344] CPU: 1 PID: 7344 Comm: syz-executor.0 Tainted: G B 5.8.0-rc7-syzkaller #0 [ 83.452809][ T7344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.452813][ T7344] Call Trace: [ 83.452827][ T7344] dump_stack+0x18f/0x20d [ 83.452842][ T7344] ? bit_putcs+0xac0/0xd20 [ 83.452857][ T7344] panic+0x2e3/0x75c [ 83.452871][ T7344] ? __warn_printk+0xf3/0xf3 [ 83.452888][ T7344] ? preempt_schedule_common+0x59/0xc0 [ 83.452901][ T7344] ? bit_putcs+0xbb6/0xd20 [ 83.452917][ T7344] ? preempt_schedule_thunk+0x16/0x18 [ 83.452930][ T7344] ? trace_hardirqs_on+0x55/0x220 [ 83.452944][ T7344] ? bit_putcs+0xbb6/0xd20 [ 83.452957][ T7344] ? bit_putcs+0xbb6/0xd20 [ 83.452968][ T7344] end_report+0x4d/0x53 [ 83.452980][ T7344] kasan_report.cold+0xd/0x37 [ 83.452994][ T7344] ? bit_putcs+0xbb6/0xd20 [ 83.453008][ T7344] bit_putcs+0xbb6/0xd20 [ 83.453029][ T7344] ? bit_cursor+0x17d0/0x17d0 [ 83.453042][ T7344] ? vga16fb_update_fix+0x4a0/0x4a0 [ 83.453061][ T7344] ? fb_get_color_depth+0x11a/0x240 [ 83.453077][ T7344] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 83.453092][ T7344] ? bit_cursor+0x17d0/0x17d0 [ 83.453104][ T7344] fbcon_putcs+0x33c/0x3f0 [ 83.453128][ T7344] do_update_region+0x399/0x630 [ 83.453145][ T7344] ? con_get_trans_old+0x280/0x280 [ 83.453160][ T7344] ? fbcon_set_palette+0x3a8/0x490 [ 83.453172][ T7344] ? var_to_display+0x7f0/0x7f0 [ 83.453189][ T7344] redraw_screen+0x64c/0x770 [ 83.453202][ T7344] ? lock_acquire+0x1f1/0xad0 [ 83.453217][ T7344] ? vc_init+0x440/0x440 [ 83.453234][ T7344] fbcon_do_set_font+0x7ec/0x950 [ 83.453250][ T7344] fbcon_copy_font+0x125/0x190 [ 83.453264][ T7344] ? fbcon_do_set_font+0x950/0x950 [ 83.453276][ T7344] con_font_op+0x65a/0x1110 [ 83.453290][ T7344] ? lock_downgrade+0x820/0x820 [ 83.453302][ T7344] ? con_write+0xb0/0xb0 [ 83.453318][ T7344] ? __might_fault+0x190/0x1d0 [ 83.453332][ T7344] vt_ioctl+0x16dc/0x2670 [ 83.453347][ T7344] ? trace_print_print+0x40/0x110 [ 83.453359][ T7344] ? lockdep_hardirqs_on+0x6a/0xe0 [ 83.453370][ T7344] ? vt_waitactive+0x350/0x350 [ 83.453387][ T7344] ? tomoyo_path_number_perm+0x244/0x4d0 [ 83.453402][ T7344] ? tomoyo_execute_permission+0x470/0x470 [ 83.453420][ T7344] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 83.453435][ T7344] ? tty_jobctrl_ioctl+0x4d/0x1010 [ 83.453446][ T7344] ? vt_waitactive+0x350/0x350 [ 83.453461][ T7344] tty_ioctl+0x1019/0x15f0 [ 83.453476][ T7344] ? tty_fasync+0x390/0x390 [ 83.453492][ T7344] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 83.453505][ T7344] ? do_vfs_ioctl+0x27d/0x1090 [ 83.453518][ T7344] ? generic_block_fiemap+0x60/0x60 [ 83.453533][ T7344] ? selinux_inode_getsecctx+0x90/0x90 [ 83.453545][ T7344] ? __might_fault+0x190/0x1d0 [ 83.453557][ T7344] ? _copy_to_user+0x126/0x160 [ 83.453572][ T7344] ? __fget_files+0x294/0x400 [ 83.453589][ T7344] ? tty_fasync+0x390/0x390 [ 83.453601][ T7344] ksys_ioctl+0x11a/0x180 [ 83.453615][ T7344] __x64_sys_ioctl+0x6f/0xb0 [ 83.453633][ T7344] ? lockdep_hardirqs_on+0x6a/0xe0 [ 83.453648][ T7344] do_syscall_64+0x60/0xe0 [ 83.453662][ T7344] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 83.453671][ T7344] RIP: 0033:0x45c369 [ 83.453684][ T7344] 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 [ 83.453691][ T7344] RSP: 002b:00007f5ae18adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.453703][ T7344] RAX: ffffffffffffffda RBX: 000000000000f580 RCX: 000000000045c369 [ 83.453711][ T7344] RDX: 0000000020000480 RSI: 0000000000004b72 RDI: 0000000000000008 [ 83.453719][ T7344] RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000 [ 83.453727][ T7344] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c [ 83.453735][ T7344] R13: 00007ffe7c6c7f0f R14: 00007f5ae18ae9c0 R15: 000000000078bf0c [ 83.455504][ T7344] Kernel Offset: disabled [ 84.308559][ T7344] Rebooting in 86400 seconds..