Warning: Permanently added '10.128.1.194' (ED25519) to the list of known hosts. 2025/09/05 21:44:52 ignoring optional flag "type"="gce" 2025/09/05 21:44:52 parsed 1 programs 2025/09/05 21:44:52 executed programs: 0 [ 44.797867][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.805041][ T338] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.812534][ T338] device bridge_slave_0 entered promiscuous mode [ 44.845603][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.852832][ T338] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.860622][ T338] device bridge_slave_1 entered promiscuous mode [ 44.898908][ T342] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.906217][ T342] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.913842][ T342] device bridge_slave_0 entered promiscuous mode [ 44.931607][ T342] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.938678][ T342] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.946566][ T342] device bridge_slave_1 entered promiscuous mode [ 44.984937][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.992134][ T346] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.999663][ T346] device bridge_slave_0 entered promiscuous mode [ 45.032823][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.039872][ T346] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.047623][ T346] device bridge_slave_1 entered promiscuous mode [ 45.070373][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.077453][ T349] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.085158][ T349] device bridge_slave_0 entered promiscuous mode [ 45.094816][ T348] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.102155][ T348] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.109992][ T348] device bridge_slave_0 entered promiscuous mode [ 45.119397][ T348] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.126778][ T348] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.134406][ T348] device bridge_slave_1 entered promiscuous mode [ 45.141092][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.148133][ T349] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.155740][ T349] device bridge_slave_1 entered promiscuous mode [ 45.212748][ T352] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.220020][ T352] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.227584][ T352] device bridge_slave_0 entered promiscuous mode [ 45.234599][ T352] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.241907][ T352] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.249381][ T352] device bridge_slave_1 entered promiscuous mode [ 45.462236][ T338] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.469439][ T338] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.476755][ T338] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.483826][ T338] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.499563][ T346] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.506665][ T346] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.514011][ T346] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.521073][ T346] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.545847][ T349] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.552939][ T349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.560357][ T349] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.567497][ T349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.589905][ T42] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.597260][ T42] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.605239][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.613197][ T42] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.621092][ T42] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.628524][ T42] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.636045][ T42] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.693317][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.701527][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.709091][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.718330][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.725422][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.733083][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.741574][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.748618][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.756115][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.764375][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.771539][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.786166][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.793797][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.824236][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.833292][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.841943][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.848980][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.856545][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.864295][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.872176][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.880769][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.889047][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.896144][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.904048][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.912341][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.920641][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.929010][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.937374][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.944433][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.951959][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.960108][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.968639][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.977040][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.985457][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.993879][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.002428][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.018132][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.025718][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.071399][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.079904][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.088706][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.097095][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.104764][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.112945][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.121398][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.129724][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.136805][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.144299][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.153045][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.161849][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.169003][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.176460][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.184597][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.192834][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.201027][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.209148][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.216889][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.224482][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.232917][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.241201][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.248410][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.255867][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.264578][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.272912][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.279962][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.287528][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.295996][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.304134][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.312495][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.320902][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.328101][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.335598][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.344187][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.352630][ T42] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.359669][ T42] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.367433][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.375479][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.383634][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.391498][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.401812][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.428338][ T342] device veth0_vlan entered promiscuous mode [ 46.434943][ T346] device veth0_vlan entered promiscuous mode [ 46.443355][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.452349][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.460887][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.468786][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.477182][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 46.485718][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.497521][ T338] device veth0_vlan entered promiscuous mode [ 46.513736][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.522484][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.531199][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 46.539075][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.548154][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.556521][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.564337][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.576907][ T346] device veth1_macvtap entered promiscuous mode [ 46.587597][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.601280][ T338] device veth1_macvtap entered promiscuous mode [ 46.615398][ T348] device veth0_vlan entered promiscuous mode [ 46.624014][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.632594][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.641622][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.649219][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.657154][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.671815][ T352] device veth0_vlan entered promiscuous mode [ 46.681232][ T342] device veth1_macvtap entered promiscuous mode [ 46.692842][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.702246][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.711478][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.719726][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.728335][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.736810][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.745270][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.752942][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.769535][ T349] device veth0_vlan entered promiscuous mode [ 46.781023][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.789351][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.797826][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.807210][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.816043][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.824663][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.833303][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 46.841673][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.850125][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.857904][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.867779][ T348] device veth1_macvtap entered promiscuous mode [ 46.882575][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.891202][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.899632][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.908593][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.926109][ T349] device veth1_macvtap entered promiscuous mode [ 46.942548][ T352] device veth1_macvtap entered promiscuous mode [ 46.963892][ T409] loop3: detected capacity change from 0 to 2048 [ 46.967339][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 46.982188][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 46.991146][ T28] kauditd_printk_skb: 14 callbacks suppressed [ 46.991161][ T28] audit: type=1400 audit(1757108695.145:88): avc: denied { mounton } for pid=408 comm="syz-executor.3" path="/root/syzkaller-testdir3050055598/syzkaller.MJ1Al5/0/file0" dev="sda1" ino=2048 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 46.994322][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.037110][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 47.040817][ T414] loop2: detected capacity change from 0 to 2048 [ 47.045803][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.059342][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.068911][ T414] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 47.075273][ T409] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none. [ 47.079317][ T28] audit: type=1400 audit(1757108695.235:89): avc: denied { mount } for pid=413 comm="syz-executor.2" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 47.128211][ T28] audit: type=1400 audit(1757108695.245:90): avc: denied { write } for pid=413 comm="syz-executor.2" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 47.136249][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.153278][ T413] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 47.184039][ T423] loop1: detected capacity change from 0 to 2048 [ 47.190768][ T28] audit: type=1400 audit(1757108695.245:91): avc: denied { add_name } for pid=413 comm="syz-executor.2" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 47.191527][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.212791][ T28] audit: type=1400 audit(1757108695.245:92): avc: denied { create } for pid=413 comm="syz-executor.2" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 47.235091][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.248738][ T28] audit: type=1400 audit(1757108695.245:93): avc: denied { read write open } for pid=413 comm="syz-executor.2" path="/root/syzkaller-testdir985352582/syzkaller.Yc0NAj/0/file0/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 47.250514][ T408] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 47.276946][ T28] audit: type=1400 audit(1757108695.245:94): avc: denied { map } for pid=413 comm="syz-executor.2" path="/root/syzkaller-testdir985352582/syzkaller.Yc0NAj/0/file0/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 47.297297][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.333157][ T423] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none. [ 47.364894][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.394692][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.403698][ T421] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 47.419715][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 47.428651][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.437929][ T28] audit: type=1400 audit(1757108695.585:95): avc: denied { unmount } for pid=346 comm="syz-executor.3" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 47.469393][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 47.492560][ T42] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.515274][ T346] EXT4-fs (loop3): unmounting filesystem. [ 47.569193][ T430] loop4: detected capacity change from 0 to 2048 [ 47.613313][ T432] loop3: detected capacity change from 0 to 2048 [ 47.627959][ T434] loop5: detected capacity change from 0 to 2048 [ 47.635131][ T436] loop0: detected capacity change from 0 to 2048 [ 47.658194][ T430] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. [ 47.671894][ T432] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none. [ 47.685573][ T434] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none. [ 47.754684][ T431] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 47.770696][ T429] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 47.805329][ T436] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 47.828013][ T433] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 47.868056][ T338] EXT4-fs (loop2): unmounting filesystem. [ 47.874298][ T435] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 47.947678][ T452] loop2: detected capacity change from 0 to 2048 [ 47.997458][ T452] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 48.077907][ T342] EXT4-fs (loop1): unmounting filesystem. [ 48.092687][ T451] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 48.162981][ T457] loop1: detected capacity change from 0 to 2048 [ 48.214701][ T457] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none. [ 48.318360][ T456] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 48.467882][ T352] EXT4-fs (loop4): unmounting filesystem. [ 48.495750][ T346] EXT4-fs (loop3): unmounting filesystem. [ 48.503186][ T349] EXT4-fs (loop5): unmounting filesystem. [ 48.539985][ T348] EXT4-fs (loop0): unmounting filesystem. [ 48.573793][ T464] loop3: detected capacity change from 0 to 2048 [ 48.576276][ T466] loop4: detected capacity change from 0 to 2048 [ 48.585327][ T465] loop5: detected capacity change from 0 to 2048 [ 48.628772][ T464] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none. [ 48.660018][ T472] loop0: detected capacity change from 0 to 2048 [ 48.667086][ T465] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none. [ 48.708898][ T472] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 48.719102][ T466] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. [ 48.727952][ T463] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 48.801488][ T338] EXT4-fs (loop2): unmounting filesystem. [ 48.823870][ T471] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 48.839008][ T461] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 48.859785][ T462] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 48.890653][ T481] loop2: detected capacity change from 0 to 2048 [ 48.954687][ T481] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 49.041981][ T480] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 49.058565][ T342] EXT4-fs (loop1): unmounting filesystem. [ 49.163238][ T487] loop1: detected capacity change from 0 to 2048 [ 49.219415][ T487] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none. [ 49.329219][ T486] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 49.379109][ T352] EXT4-fs (loop4): unmounting filesystem. [ 49.435224][ T349] EXT4-fs (loop5): unmounting filesystem. [ 49.453095][ T346] EXT4-fs (loop3): unmounting filesystem. [ 49.543665][ T494] loop5: detected capacity change from 0 to 2048 [ 49.546995][ T493] loop4: detected capacity change from 0 to 2048 [ 49.556391][ T496] loop3: detected capacity change from 0 to 2048 [ 49.583805][ T348] EXT4-fs (loop0): unmounting filesystem. [ 49.587671][ T494] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none. [ 49.607460][ T496] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none. 2025/09/05 21:44:57 executed programs: 19 [ 49.648868][ T502] loop0: detected capacity change from 0 to 2048 [ 49.664034][ T493] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. [ 49.677650][ T492] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 49.711979][ T495] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 49.727897][ T338] EXT4-fs (loop2): unmounting filesystem. [ 49.741678][ T502] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 49.778668][ T491] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 49.809758][ T501] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 49.837115][ T510] loop2: detected capacity change from 0 to 2048 [ 49.892677][ T510] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 49.980334][ T509] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.009399][ T348] EXT4-fs (loop0): unmounting filesystem. [ 50.029049][ T342] EXT4-fs (loop1): unmounting filesystem. [ 50.089052][ T517] loop0: detected capacity change from 0 to 2048 [ 50.098990][ T519] loop1: detected capacity change from 0 to 2048 [ 50.131472][ T517] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 50.172608][ T519] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none. [ 50.198712][ T516] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.291757][ T518] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.377833][ T349] EXT4-fs (loop5): unmounting filesystem. [ 50.395986][ T352] EXT4-fs (loop4): unmounting filesystem. [ 50.461215][ T346] EXT4-fs (loop3): unmounting filesystem. [ 50.466029][ T529] loop5: detected capacity change from 0 to 2048 [ 50.487544][ T528] loop4: detected capacity change from 0 to 2048 [ 50.526157][ T529] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none. [ 50.532632][ T531] loop3: detected capacity change from 0 to 2048 [ 50.564299][ T528] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. [ 50.580113][ T531] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none. [ 50.646667][ T530] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.662251][ T527] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.691526][ T526] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 50.707329][ T338] EXT4-fs (loop2): unmounting filesystem. [ 50.794336][ T542] loop2: detected capacity change from 0 to 2048 [ 50.844936][ T542] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 50.955111][ T348] EXT4-fs (loop0): unmounting filesystem. [ 50.961982][ T541] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 51.032916][ T342] EXT4-fs (loop1): unmounting filesystem. [ 51.100853][ T547] loop0: detected capacity change from 0 to 2048 [ 51.144997][ T549] loop1: detected capacity change from 0 to 2048 [ 51.158354][ T547] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 51.224022][ T549] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none. [ 51.271088][ T546] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 51.345919][ T349] EXT4-fs (loop5): unmounting filesystem. [ 51.358180][ T352] EXT4-fs (loop4): unmounting filesystem. [ 51.364614][ T548] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 51.418286][ T346] EXT4-fs (loop3): unmounting filesystem. [ 51.457567][ T557] loop5: detected capacity change from 0 to 2048 [ 51.491221][ T559] loop4: detected capacity change from 0 to 2048 [ 51.522577][ T557] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: none. [ 51.534715][ T562] loop3: detected capacity change from 0 to 2048 [ 51.584573][ T559] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none. [ 51.593661][ T556] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 51.631775][ T562] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: none. [ 51.653138][ T558] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 51.686209][ T338] EXT4-fs (loop2): unmounting filesystem. [ 51.731087][ T561] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 51.772006][ T572] loop2: detected capacity change from 0 to 2048 [ 51.808511][ T572] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. [ 51.904978][ T571] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 51.961713][ T348] EXT4-fs (loop0): unmounting filesystem. [ 52.023329][ T342] EXT4-fs (loop1): unmounting filesystem. [ 52.055790][ T577] loop0: detected capacity change from 0 to 2048 [ 52.107871][ T579] loop1: detected capacity change from 0 to 2048 [ 52.116422][ T577] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 52.193384][ T576] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 52.222603][ T579] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: none. [ 52.312640][ T578] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 52.359169][ T349] EXT4-fs (loop5): unmounting filesystem. [ 52.363995][ T338] EXT4-fs (loop2): unmounting filesystem. [ 52.457494][ T589] loop2: detected capacity change from 0 to 2048 [ 52.462404][ T587] loop3: detected capacity change from 0 to 2048 [ 52.472161][ T591] loop5: detected capacity change from 0 to 2048 [ 52.485234][ T593] loop4: detected capacity change from 0 to 2048 [ 52.585896][ T590] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 52.621477][ T588] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 52.645013][ T586] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 52.669677][ T592] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 52.848909][ T607] loop3: detected capacity change from 0 to 2048 [ 53.010341][ T606] EXT4-fs error (device loop3): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 53.052088][ T610] ------------[ cut here ]------------ [ 53.057636][ T610] kernel BUG at fs/ext4/ext4_jbd2.c:53! [ 53.074844][ T612] loop0: detected capacity change from 0 to 2048 [ 53.096731][ T615] loop1: detected capacity change from 0 to 2048 [ 53.140759][ T610] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 53.146909][ T610] CPU: 1 PID: 610 Comm: syz-executor.3 Not tainted syzkaller #0 [ 53.154579][ T610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 53.164668][ T610] RIP: 0010:__ext4_journal_stop+0x192/0x1a0 [ 53.170646][ T610] Code: c3 e8 12 40 8e ff e9 f7 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 14 ff ff ff e8 b8 a5 d2 ff e9 0a ff ff ff e8 ee 3f 8e ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 [ 53.190457][ T610] RSP: 0018:ffffc90001a77138 EFLAGS: 00010293 [ 53.196559][ T610] RAX: ffffffff81e1c972 RBX: 0000000000000000 RCX: ffff88811f648000 [ 53.204558][ T610] RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff86417ce5 [ 53.212564][ T610] RBP: ffffc90001a77170 R08: dffffc0000000000 R09: ffffed1024d30aa0 [ 53.220575][ T610] R10: ffffed1024d30aa0 R11: 1ffff11024d30a9f R12: 1ffff1102542eba7 [ 53.228754][ T610] R13: ffff88812a175d38 R14: 000000000000032c R15: ffffffff86417ce5 [ 53.236766][ T610] FS: 00007ff8b085d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 53.245829][ T610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.252495][ T610] CR2: 00007f059910638e CR3: 0000000103991000 CR4: 00000000003506a0 [ 53.260513][ T610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.268613][ T610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.276617][ T610] Call Trace: [ 53.279919][ T610] [ 53.282877][ T610] ext4_write_inline_data_end+0x7b8/0xa90 [ 53.288635][ T610] ? memcpy+0x56/0x70 [ 53.292646][ T610] ? __cfi_ext4_write_inline_data_end+0x10/0x10 [ 53.298935][ T610] ? __cfi_copy_page_from_iter_atomic+0x10/0x10 [ 53.305335][ T610] ext4_da_write_end+0x1ce/0x8c0 [ 53.310317][ T610] generic_perform_write+0x3a2/0x6d0 [ 53.315638][ T610] ? __cfi_generic_perform_write+0x10/0x10 [ 53.321473][ T610] ext4_buffered_write_iter+0x36f/0x660 [ 53.327065][ T610] ext4_file_write_iter+0x18f/0x13d0 [ 53.332389][ T610] ? __stack_depot_save+0x36/0x480 [ 53.337524][ T610] ? x64_sys_call+0x62c/0x9a0 [ 53.342318][ T610] ? do_syscall_64+0x4c/0xa0 [ 53.346934][ T610] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.353040][ T610] ? kasan_set_track+0x60/0x70 [ 53.357839][ T610] ? kasan_set_track+0x4b/0x70 [ 53.362658][ T610] ? kasan_save_alloc_info+0x25/0x30 [ 53.367984][ T610] ? __kasan_kmalloc+0x95/0xb0 [ 53.372785][ T610] ? __kmalloc+0xb1/0x1e0 [ 53.377204][ T610] ? iter_file_splice_write+0x17c/0xc50 [ 53.382786][ T610] ? direct_splice_actor+0xf7/0x130 [ 53.388018][ T610] ? splice_direct_to_actor+0x4a2/0xb10 [ 53.393590][ T610] ? do_splice_direct+0x1b3/0x2c0 [ 53.398818][ T610] ? avc_policy_seqno+0x1b/0x70 [ 53.403706][ T610] ? __cfi_ext4_file_write_iter+0x10/0x10 [ 53.409528][ T610] ? fsnotify_perm+0x67/0x5b0 [ 53.414223][ T610] ? security_file_permission+0x8a/0xb0 [ 53.419788][ T610] do_iter_write+0x650/0xb10 [ 53.424382][ T610] ? vfs_iter_write+0xa0/0xa0 [ 53.429233][ T610] vfs_iter_write+0x7d/0xa0 [ 53.433771][ T610] iter_file_splice_write+0x662/0xc50 [ 53.439169][ T610] ? __cfi_iter_file_splice_write+0x10/0x10 [ 53.445173][ T610] ? generic_file_splice_read+0x264/0x500 [ 53.451024][ T610] ? __cfi_generic_file_splice_read+0x10/0x10 [ 53.457113][ T610] ? __kasan_check_read+0x11/0x20 [ 53.462155][ T610] ? fsnotify_perm+0x269/0x5b0 [ 53.466933][ T610] ? __cfi_iter_file_splice_write+0x10/0x10 [ 53.472833][ T610] direct_splice_actor+0xf7/0x130 [ 53.478087][ T610] splice_direct_to_actor+0x4a2/0xb10 [ 53.483505][ T610] ? __cfi_direct_splice_actor+0x10/0x10 [ 53.489171][ T610] ? __cfi_splice_direct_to_actor+0x10/0x10 [ 53.495178][ T610] ? security_file_permission+0x94/0xb0 [ 53.500755][ T610] ? rw_verify_area+0xa7/0x1c0 [ 53.505559][ T610] do_splice_direct+0x1b3/0x2c0 [ 53.510438][ T610] ? avc_policy_seqno+0x1b/0x70 [ 53.515312][ T610] ? __cfi_do_splice_direct+0x10/0x10 [ 53.520700][ T610] ? security_file_permission+0x94/0xb0 [ 53.526260][ T610] do_sendfile+0x5c6/0xeb0 [ 53.530689][ T610] ? recalc_sigpending+0x168/0x1c0 [ 53.535836][ T610] ? do_preadv+0x330/0x330 [ 53.540367][ T610] ? __kasan_check_write+0x14/0x20 [ 53.545514][ T610] ? __se_sys_rt_sigprocmask+0x225/0x290 [ 53.551165][ T610] __x64_sys_sendfile64+0x18f/0x1f0 [ 53.556370][ T610] ? xfd_validate_state+0x70/0x150 [ 53.561521][ T610] ? __cfi___x64_sys_sendfile64+0x10/0x10 [ 53.567350][ T610] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 53.573425][ T610] x64_sys_call+0x62c/0x9a0 [ 53.577957][ T610] do_syscall_64+0x4c/0xa0 [ 53.582416][ T610] ? clear_bhb_loop+0x30/0x80 [ 53.587115][ T610] ? clear_bhb_loop+0x30/0x80 [ 53.591802][ T610] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 53.597702][ T610] RIP: 0033:0x7ff8afa7c959 [ 53.602130][ T610] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 53.621741][ T610] RSP: 002b:00007ff8b085d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 53.630170][ T610] RAX: ffffffffffffffda RBX: 00007ff8afb9c050 RCX: 00007ff8afa7c959 [ 53.638170][ T610] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 53.646186][ T610] RBP: 00007ff8afad8c88 R08: 0000000000000000 R09: 0000000000000000 [ 53.654162][ T610] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 [ 53.662260][ T610] R13: 000000000000006e R14: 00007ff8afb9c050 R15: 00007ffd7e94e7e8 [ 53.670329][ T610] [ 53.673374][ T610] Modules linked in: [ 53.720421][ T611] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 53.743883][ T614] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 53.795405][ T610] ---[ end trace 0000000000000000 ]--- [ 53.795908][ T623] loop4: detected capacity change from 0 to 2048 [ 53.801486][ T610] RIP: 0010:__ext4_journal_stop+0x192/0x1a0 [ 53.813385][ T610] Code: c3 e8 12 40 8e ff e9 f7 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 14 ff ff ff e8 b8 a5 d2 ff e9 0a ff ff ff e8 ee 3f 8e ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 [ 53.821724][ T625] loop2: detected capacity change from 0 to 2048 [ 53.841938][ T627] loop5: detected capacity change from 0 to 2048 [ 53.862535][ T610] RSP: 0018:ffffc90001a77138 EFLAGS: 00010293 [ 53.928858][ T610] RAX: ffffffff81e1c972 RBX: 0000000000000000 RCX: ffff88811f648000 [ 53.973000][ T610] RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff86417ce5 [ 54.014977][ T622] EXT4-fs error (device loop4): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 54.039975][ T626] EXT4-fs error (device loop5): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 54.049336][ T640] loop0: detected capacity change from 0 to 2048 [ 54.061337][ T624] EXT4-fs error (device loop2): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 54.068300][ T610] RBP: ffffc90001a77170 R08: dffffc0000000000 R09: ffffed1024d30aa0 [ 54.094624][ T638] loop1: detected capacity change from 0 to 2048 [ 54.103619][ T634] ------------[ cut here ]------------ [ 54.109314][ T634] kernel BUG at fs/ext4/ext4_jbd2.c:53! [ 54.142486][ T610] R10: ffffed1024d30aa0 R11: 1ffff11024d30a9f R12: 1ffff1102542eba7 [ 54.151703][ T634] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 54.157900][ T634] CPU: 1 PID: 634 Comm: syz-executor.5 Tainted: G D syzkaller #0 [ 54.167121][ T634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 54.177283][ T634] RIP: 0010:__ext4_journal_stop+0x192/0x1a0 [ 54.184004][ T634] Code: c3 e8 12 40 8e ff e9 f7 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 14 ff ff ff e8 b8 a5 d2 ff e9 0a ff ff ff e8 ee 3f 8e ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 [ 54.199966][ T610] R13: ffff88812a175d38 R14: 000000000000032c R15: ffffffff86417ce5 [ 54.203632][ T634] RSP: 0018:ffffc90001dd7138 EFLAGS: 00010293 [ 54.203653][ T634] RAX: ffffffff81e1c972 RBX: 0000000000000000 RCX: ffff888120f23cc0 [ 54.203667][ T634] RDX: 0000000000000000 RSI: 000000000000032c RDI: ffffffff86417ce5 [ 54.203680][ T634] RBP: ffffc90001dd7170 R08: dffffc0000000000 R09: ffffed1022da955d [ 54.203696][ T634] R10: ffffed1022da955d R11: 1ffff11022da955c R12: 1ffff11025412c5e [ 54.203710][ T634] R13: ffff88812a0962f0 R14: 000000000000032c R15: ffffffff86417ce5 [ 54.203724][ T634] FS: 00007fdd56f1f6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 54.203742][ T634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.203755][ T634] CR2: 0000000020007f82 CR3: 0000000108984000 CR4: 00000000003506a0 [ 54.203772][ T634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.203784][ T634] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.203796][ T634] Call Trace: [ 54.203802][ T634] [ 54.259881][ T637] EXT4-fs error (device loop1): ext4_mb_generate_buddy:1102: group 0, [ 54.267075][ T634] ext4_write_inline_data_end+0x7b8/0xa90 [ 54.267114][ T634] ? memcpy+0x56/0x70 [ 54.273719][ T637] block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 54.281717][ T634] ? __cfi_ext4_write_inline_data_end+0x10/0x10 [ 54.281753][ T634] ? __cfi_copy_page_from_iter_atomic+0x10/0x10 [ 54.326673][ T610] FS: 00007ff8b085d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 54.330885][ T634] ext4_da_write_end+0x1ce/0x8c0 [ 54.330922][ T634] generic_perform_write+0x3a2/0x6d0 [ 54.354773][ T610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.358039][ T634] ? __cfi_generic_perform_write+0x10/0x10 [ 54.375767][ T634] ext4_buffered_write_iter+0x36f/0x660 [ 54.381450][ T634] ext4_file_write_iter+0x18f/0x13d0 [ 54.386774][ T634] ? __stack_depot_save+0x36/0x480 [ 54.391908][ T634] ? x64_sys_call+0x62c/0x9a0 [ 54.394170][ T610] CR2: 0000000020000141 CR3: 0000000103991000 CR4: 00000000003506b0 [ 54.396616][ T634] ? do_syscall_64+0x4c/0xa0 [ 54.409239][ T634] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.415336][ T634] ? kasan_set_track+0x60/0x70 [ 54.420148][ T634] ? kasan_set_track+0x4b/0x70 [ 54.424944][ T634] ? kasan_save_alloc_info+0x25/0x30 [ 54.430265][ T634] ? __kasan_kmalloc+0x95/0xb0 [ 54.435060][ T634] ? __kmalloc+0xb1/0x1e0 [ 54.439511][ T634] ? iter_file_splice_write+0x17c/0xc50 [ 54.445086][ T634] ? direct_splice_actor+0xf7/0x130 [ 54.446329][ T610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.450317][ T634] ? splice_direct_to_actor+0x4a2/0xb10 [ 54.450346][ T634] ? do_splice_direct+0x1b3/0x2c0 [ 54.450371][ T634] ? avc_policy_seqno+0x1b/0x70 [ 54.473911][ T634] ? __cfi_ext4_file_write_iter+0x10/0x10 [ 54.476538][ T610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.479838][ T634] ? fsnotify_perm+0x67/0x5b0 [ 54.492558][ T634] ? security_file_permission+0x8a/0xb0 [ 54.498243][ T634] do_iter_write+0x650/0xb10 [ 54.502991][ T634] ? vfs_iter_write+0xa0/0xa0 [ 54.507699][ T634] vfs_iter_write+0x7d/0xa0 [ 54.512226][ T634] iter_file_splice_write+0x662/0xc50 [ 54.517647][ T634] ? __cfi_iter_file_splice_write+0x10/0x10 [ 54.523577][ T634] ? generic_file_splice_read+0x264/0x500 [ 54.529329][ T634] ? __cfi_generic_file_splice_read+0x10/0x10 [ 54.535430][ T634] ? __kasan_check_read+0x11/0x20 [ 54.540497][ T634] ? fsnotify_perm+0x269/0x5b0 [ 54.544034][ T610] Kernel panic - not syncing: Fatal exception [ 54.545288][ T634] ? __cfi_iter_file_splice_write+0x10/0x10 [ 54.545317][ T634] direct_splice_actor+0xf7/0x130 [ 54.545342][ T634] splice_direct_to_actor+0x4a2/0xb10 [ 54.545368][ T634] ? __cfi_direct_splice_actor+0x10/0x10 [ 54.545391][ T634] ? __cfi_splice_direct_to_actor+0x10/0x10 [ 54.545414][ T634] ? security_file_permission+0x94/0xb0 [ 54.545436][ T634] ? rw_verify_area+0xa7/0x1c0 [ 54.545462][ T634] do_splice_direct+0x1b3/0x2c0 [ 54.545485][ T634] ? avc_policy_seqno+0x1b/0x70 [ 54.545509][ T634] ? __cfi_do_splice_direct+0x10/0x10 [ 54.545533][ T634] ? security_file_permission+0x94/0xb0 [ 54.545555][ T634] do_sendfile+0x5c6/0xeb0 [ 54.545574][ T634] ? recalc_sigpending+0x168/0x1c0 [ 54.545596][ T634] ? do_preadv+0x330/0x330 [ 54.545613][ T634] ? __kasan_check_write+0x14/0x20 [ 54.545641][ T634] ? __se_sys_rt_sigprocmask+0x225/0x290 [ 54.545669][ T634] __x64_sys_sendfile64+0x18f/0x1f0 [ 54.545687][ T634] ? xfd_validate_state+0x70/0x150 [ 54.545711][ T634] ? __cfi___x64_sys_sendfile64+0x10/0x10 [ 54.545730][ T634] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 54.545753][ T634] x64_sys_call+0x62c/0x9a0 [ 54.545773][ T634] do_syscall_64+0x4c/0xa0 [ 54.545789][ T634] ? clear_bhb_loop+0x30/0x80 [ 54.545811][ T634] ? clear_bhb_loop+0x30/0x80 [ 54.545832][ T634] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 54.545852][ T634] RIP: 0033:0x7fdd5627c959 [ 54.545868][ T634] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 54.545883][ T634] RSP: 002b:00007fdd56f1f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 54.545902][ T634] RAX: ffffffffffffffda RBX: 00007fdd5639c050 RCX: 00007fdd5627c959 [ 54.545916][ T634] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 54.545927][ T634] RBP: 00007fdd562d8c88 R08: 0000000000000000 R09: 0000000000000000 [ 54.545938][ T634] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 [ 54.545949][ T634] R13: 000000000000006e R14: 00007fdd5639c050 R15: 00007ffde4825438 [ 54.545965][ T634] [ 54.545971][ T634] Modules linked in: [ 54.552344][ T610] Kernel Offset: disabled [ 54.773453][ T610] Rebooting in 86400 seconds..