[ 31.634523][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 31.642636][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 31.650695][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 31.662340][ T386] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 31.793456][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 32.133912][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 32.166370][ T7] device bridge_slave_1 left promiscuous mode [ 32.172717][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 32.180380][ T7] device bridge_slave_0 left promiscuous mode [ 32.186574][ T7] bridge0: port 1(bridge_slave_0) entered disabled state Warning: Permanently added '10.128.0.254' (ECDSA) to the list of known hosts. 2022/02/25 05:43:50 parsed 1 programs [ 38.664368][ T23] kauditd_printk_skb: 63 callbacks suppressed [ 38.664372][ T23] audit: type=1400 audit(1645767830.969:146): avc: denied { mounton } for pid=414 comm="syz-executor" path="/syzcgroup/unified" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=dir permissive=1 [ 38.667584][ T414] cgroup: Unknown subsys name 'net' [ 38.700349][ T414] cgroup: Unknown subsys name 'devices' [ 38.706809][ T414] cgroup: Unknown subsys name 'hugetlb' 2022/02/25 05:43:51 executed programs: 0 [ 38.712655][ T414] cgroup: Unknown subsys name 'rlimit' [ 38.718644][ T23] audit: type=1400 audit(1645767831.019:147): avc: denied { mounton } for pid=414 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 38.770442][ T23] audit: type=1400 audit(1645767831.019:148): avc: denied { mount } for pid=414 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 38.803685][ T23] audit: type=1400 audit(1645767831.019:149): avc: denied { mounton } for pid=420 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 38.815714][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.827935][ T23] audit: type=1400 audit(1645767831.019:150): avc: denied { module_request } for pid=420 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 38.835293][ T420] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.835584][ T420] device bridge_slave_0 entered promiscuous mode [ 38.871471][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.878797][ T420] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.886267][ T420] device bridge_slave_1 entered promiscuous mode [ 38.929192][ T427] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.936407][ T427] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.943992][ T427] device bridge_slave_0 entered promiscuous mode [ 38.968160][ T427] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.975463][ T427] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.982656][ T427] device bridge_slave_1 entered promiscuous mode [ 39.031919][ T428] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.039309][ T428] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.046995][ T428] device bridge_slave_0 entered promiscuous mode [ 39.060736][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.067843][ T425] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.075216][ T425] device bridge_slave_0 entered promiscuous mode [ 39.083846][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.090970][ T425] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.098364][ T425] device bridge_slave_1 entered promiscuous mode [ 39.104979][ T428] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.112201][ T428] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.119624][ T428] device bridge_slave_1 entered promiscuous mode [ 39.128811][ T430] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.136305][ T430] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.143672][ T430] device bridge_slave_0 entered promiscuous mode [ 39.150456][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.157726][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.165227][ T418] device bridge_slave_0 entered promiscuous mode [ 39.182283][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.189724][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.197119][ T418] device bridge_slave_1 entered promiscuous mode [ 39.203716][ T430] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.210957][ T430] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.218291][ T430] device bridge_slave_1 entered promiscuous mode [ 39.244575][ T420] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.251841][ T420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.259123][ T420] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.266432][ T420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.284868][ T427] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.291900][ T427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.299161][ T427] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.306187][ T427] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.357301][ T425] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.364349][ T425] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.371839][ T425] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.379063][ T425] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.397384][ T428] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.404416][ T428] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.411647][ T428] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.418693][ T428] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.427030][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.435003][ T74] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.442305][ T74] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.449474][ T74] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.456783][ T74] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.464169][ T74] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.471268][ T74] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.478694][ T74] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.486042][ T74] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.514410][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.522013][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.530436][ T390] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.537466][ T390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.544921][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.553065][ T390] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.560282][ T390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.567609][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.575990][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.583416][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.591501][ T390] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.598572][ T390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.606173][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.615757][ T390] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.622860][ T390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.643481][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.651099][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.659847][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.667948][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.676072][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.683931][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.691986][ T390] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.699016][ T390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.727730][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.736386][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.745028][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.754654][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.762575][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.787168][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 39.799301][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.813316][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.824508][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.833066][ T390] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.840372][ T390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.847810][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.855916][ T390] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.863041][ T390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.870473][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.878573][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.887080][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.895270][ T390] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.902368][ T390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.942355][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 39.951270][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.960598][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.968822][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.976693][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.985029][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.993264][ T390] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.000385][ T390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.007802][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.015789][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.024103][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.032421][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.040666][ T390] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.047816][ T390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.055350][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.064212][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.072125][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.081267][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.089284][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.097659][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.106009][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 40.114246][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.122580][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 40.130658][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.138751][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.146789][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.154997][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.163880][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.172482][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.180645][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.188954][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.197178][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.205533][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 40.213017][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.220503][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.229018][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.237458][ T390] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.244500][ T390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.252484][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.261201][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.269409][ T390] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.276441][ T390] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.283973][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.292095][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.300377][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.308561][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.325814][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 40.333525][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 40.341582][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.350038][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 40.358439][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.366837][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 40.375524][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.384054][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.392029][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.429489][ T450] ================================================================== [ 40.437578][ T450] BUG: KASAN: stack-out-of-bounds in iov_iter_revert+0x736/0x870 [ 40.445305][ T450] Read of size 8 at addr ffffc90000a87768 by task syz-executor.2/450 [ 40.453839][ T450] [ 40.456174][ T450] CPU: 1 PID: 450 Comm: syz-executor.2 Not tainted 5.10.102-syzkaller #0 [ 40.464653][ T450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.474791][ T450] Call Trace: [ 40.478082][ T450] dump_stack_lvl+0x81/0xac [ 40.482843][ T450] print_address_description.constprop.0+0x24/0x150 [ 40.489613][ T450] ? iov_iter_revert+0x736/0x870 [ 40.494631][ T450] kasan_report.cold+0x82/0xdb [ 40.499429][ T450] ? iov_iter_revert+0x736/0x870 [ 40.504442][ T450] __asan_report_load8_noabort+0x14/0x20 [ 40.510075][ T450] iov_iter_revert+0x736/0x870 [ 40.514950][ T450] ? rw_verify_area+0xc3/0x2b0 [ 40.519718][ T450] ? __kasan_check_read+0x11/0x20 [ 40.524905][ T450] io_write+0x367/0xab0 [ 40.529057][ T450] ? io_read+0xef0/0xef0 [ 40.533283][ T450] ? kernel_text_address+0xc0/0xf0 [ 40.538368][ T450] ? __kernel_text_address+0xd/0x40 [ 40.543537][ T450] ? __kasan_check_write+0x14/0x20 [ 40.549053][ T450] ? _raw_write_lock_irqsave+0xe0/0xe0 [ 40.554668][ T450] ? _raw_spin_unlock_irqrestore+0x47/0x80 [ 40.560656][ T450] ? stack_depot_save+0x24e/0x510 [ 40.565660][ T450] io_issue_sqe+0x141/0x4170 [ 40.570329][ T450] ? kasan_save_stack+0x42/0x50 [ 40.575235][ T450] ? kasan_save_stack+0x23/0x50 [ 40.580801][ T450] ? __kasan_slab_alloc+0x87/0xb0 [ 40.585883][ T450] ? kmem_cache_alloc_bulk+0x166/0x370 [ 40.591569][ T450] ? io_submit_sqes+0xfc2/0x27a0 [ 40.596662][ T450] ? __do_sys_io_uring_enter+0xe32/0x1780 [ 40.602621][ T450] ? __x64_sys_io_uring_enter+0xdc/0x1a0 [ 40.608234][ T450] ? do_syscall_64+0x32/0x80 [ 40.612882][ T450] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.619059][ T450] ? io_uring_setup+0x2dc0/0x2dc0 [ 40.624065][ T450] ? __kasan_check_read+0x11/0x20 [ 40.629169][ T450] ? preempt_schedule_common+0x5e/0xe0 [ 40.634623][ T450] ? preempt_schedule+0x1f/0x30 [ 40.639530][ T450] ? preempt_schedule_thunk+0x16/0x18 [ 40.644871][ T450] __io_queue_sqe+0x1e6/0xb60 [ 40.649519][ T450] ? io_issue_sqe+0x4170/0x4170 [ 40.654439][ T450] ? __io_splice_prep+0x4f0/0x4f0 [ 40.659538][ T450] io_queue_sqe+0x5eb/0xfc0 [ 40.664013][ T450] io_submit_sqes+0x10cd/0x27a0 [ 40.668921][ T450] ? io_queue_sqe+0xfc0/0xfc0 [ 40.673703][ T450] ? __kasan_check_write+0x14/0x20 [ 40.678976][ T450] ? mutex_lock+0x79/0xd0 [ 40.683285][ T450] ? __mutex_lock_slowpath+0x10/0x10 [ 40.688656][ T450] __do_sys_io_uring_enter+0xe32/0x1780 [ 40.694183][ T450] ? populate_vma_page_range+0xe0/0xe0 [ 40.699622][ T450] ? io_sq_thread+0x14e0/0x14e0 [ 40.704624][ T450] ? randomize_stack_top+0xd0/0xd0 [ 40.709911][ T450] ? __x64_sys_futex+0x2cb/0x3b0 [ 40.714839][ T450] ? copy_init_fpstate_to_fpregs+0x80/0x80 [ 40.720624][ T450] ? __kasan_check_write+0x14/0x20 [ 40.725802][ T450] __x64_sys_io_uring_enter+0xdc/0x1a0 [ 40.731333][ T450] ? syscall_exit_to_user_mode+0x27/0x160 [ 40.737322][ T450] do_syscall_64+0x32/0x80 [ 40.741709][ T450] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 40.747570][ T450] RIP: 0033:0x7f1b0704ca39 [ 40.752411][ T450] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 40.772495][ T450] RSP: 002b:00007f1b06fc3188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa [ 40.780889][ T450] RAX: ffffffffffffffda RBX: 00007f1b0714ff60 RCX: 00007f1b0704ca39 [ 40.789116][ T450] RDX: 0000000000000000 RSI: 0000000000007cdc RDI: 0000000000000004 [ 40.797060][ T450] RBP: 00007f1b070a6e8f R08: 0000000000000000 R09: 0000000000000000 [ 40.805363][ T450] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.813397][ T450] R13: 00007fff4d3f3e5f R14: 00007f1b06fc3300 R15: 0000000000022000 [ 40.821779][ T450] [ 40.824087][ T450] [ 40.826388][ T450] addr ffffc90000a87768 is located in stack of task syz-executor.2/450 at offset 152 in frame: [ 40.836713][ T450] io_write+0x0/0xab0 [ 40.840672][ T450] [ 40.842968][ T450] this frame has 3 objects: [ 40.847550][ T450] [48, 56) 'iovec' [ 40.847553][ T450] [80, 120) '__iter' [ 40.851528][ T450] [160, 288) 'inline_vecs' [ 40.855502][ T450] [ 40.862289][ T450] Memory state around the buggy address: [ 40.867891][ T450] ffffc90000a87600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 40.875921][ T450] ffffc90000a87680: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00 [ 40.883958][ T450] >ffffc90000a87700: 00 f2 f2 f2 00 00 00 00 00 f2 f2 f2 f2 f2 00 00 [ 40.891996][ T450] ^ [ 40.899419][ T450] ffffc90000a87780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f3 f3 [ 40.907636][ T450] ffffc90000a87800: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 40.915777][ T450] ================================================================== [ 40.923918][ T450] Disabling lock debugging due to kernel taint [ 40.942863][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.957125][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.976633][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.988477][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.996793][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.005294][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.014001][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.021922][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.029875][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 41.038558][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.047183][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 41.055337][ T74] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.075342][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.084281][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.092264][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.100525][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.109185][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.117415][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.125653][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 41.134005][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 41.142128][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 41.150393][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 41.158802][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 41.167331][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2022/02/25 05:43:56 executed programs: 541 2022/02/25 05:44:01 executed programs: 1623