Warning: Permanently added '10.128.0.130' (ED25519) to the list of known hosts. 2026/02/08 07:46:18 parsed 1 programs [ 39.634433][ T30] audit: type=1400 audit(1770536778.701:64): avc: denied { node_bind } for pid=282 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 39.655938][ T30] audit: type=1400 audit(1770536778.711:65): avc: denied { module_request } for pid=282 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 40.608027][ T30] audit: type=1400 audit(1770536779.681:66): avc: denied { mounton } for pid=289 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 40.612073][ T289] cgroup: Unknown subsys name 'net' [ 40.630922][ T30] audit: type=1400 audit(1770536779.681:67): avc: denied { mount } for pid=289 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 40.658388][ T30] audit: type=1400 audit(1770536779.711:68): avc: denied { unmount } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 40.658853][ T289] cgroup: Unknown subsys name 'devices' [ 40.866921][ T289] cgroup: Unknown subsys name 'hugetlb' [ 40.872583][ T289] cgroup: Unknown subsys name 'rlimit' [ 41.020346][ T30] audit: type=1400 audit(1770536780.091:69): avc: denied { setattr } for pid=289 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=254 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 41.043601][ T30] audit: type=1400 audit(1770536780.091:70): avc: denied { create } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 41.064259][ T30] audit: type=1400 audit(1770536780.091:71): avc: denied { write } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 41.084625][ T30] audit: type=1400 audit(1770536780.091:72): avc: denied { read } for pid=289 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 41.088321][ T292] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 41.105590][ T30] audit: type=1400 audit(1770536780.101:73): avc: denied { mounton } for pid=289 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 [ 41.152262][ T289] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 41.597571][ T295] request_module fs-gadgetfs succeeded, but still no fs? [ 42.215290][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.222374][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.230152][ T341] device bridge_slave_0 entered promiscuous mode [ 42.237475][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.244571][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.252183][ T341] device bridge_slave_1 entered promiscuous mode [ 42.297400][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.304521][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.311912][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.319010][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.337654][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.345535][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.352779][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.361938][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.370237][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.377288][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.386342][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.395139][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.402173][ T336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.415110][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.425001][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.439217][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.450342][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.458725][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.466380][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.474895][ T341] device veth0_vlan entered promiscuous mode [ 42.485182][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.494152][ T341] device veth1_macvtap entered promiscuous mode [ 42.503627][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.513481][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.544992][ T341] syz-executor (341) used greatest stack depth: 20640 bytes left 2026/02/08 07:46:21 executed programs: 0 [ 42.848854][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.856121][ T361] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.863472][ T361] device bridge_slave_0 entered promiscuous mode [ 42.870507][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.877706][ T361] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.885239][ T361] device bridge_slave_1 entered promiscuous mode [ 42.937422][ T361] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.944502][ T361] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.951754][ T361] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.958807][ T361] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.966867][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.974260][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.997024][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.004763][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.014707][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.023165][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.031882][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.038982][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.055458][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.064001][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.072301][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.079385][ T336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.089169][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.097457][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.105594][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.113756][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.129587][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 43.138228][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.150504][ T361] device veth0_vlan entered promiscuous mode [ 43.157278][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.165812][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.175559][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 43.183173][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 43.195559][ T361] device veth1_macvtap entered promiscuous mode [ 43.202449][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 43.210925][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 43.219374][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 43.230449][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 43.238969][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 43.249458][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 43.257770][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 43.293269][ T374] loop2: detected capacity change from 0 to 1024 [ 43.344774][ T374] ======================================================= [ 43.344774][ T374] WARNING: The mand mount option has been deprecated and [ 43.344774][ T374] and is ignored by this kernel. Remove the mand [ 43.344774][ T374] option from the mount to silence this warning. [ 43.344774][ T374] ======================================================= [ 43.410405][ T374] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 43.426867][ T374] EXT4-fs (loop2): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 43.472699][ T374] cgroup: fork rejected by pids controller in /syz2 [ 43.537982][ T379] EXT4-fs error (device loop2): mb_free_blocks:1876: group 0, inode 18: block 337:freeing already freed block (bit 21); block bitmap corrupt. [ 43.733121][ T444] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.740894][ T444] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.748528][ T444] device bridge_slave_0 entered promiscuous mode [ 43.755982][ T444] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.763057][ T444] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.770562][ T444] device bridge_slave_1 entered promiscuous mode [ 43.820399][ T444] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.827479][ T444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.834792][ T444] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.841829][ T444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.864010][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.872040][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.879634][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.891977][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.900242][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.907307][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.916003][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.924196][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.931261][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.943235][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.955110][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.969869][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 43.980823][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 43.988966][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 43.997325][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.005014][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.013273][ T266] device bridge_slave_1 left promiscuous mode [ 44.019695][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.027497][ T266] device bridge_slave_0 left promiscuous mode [ 44.033625][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.041562][ T266] device veth1_macvtap left promiscuous mode [ 44.047707][ T266] device veth0_vlan left promiscuous mode [ 44.147722][ T444] device veth0_vlan entered promiscuous mode [ 44.157845][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 44.166062][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.175982][ T444] device veth1_macvtap entered promiscuous mode [ 44.185325][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 44.193076][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 44.201698][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.212111][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.221130][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 44.249910][ T455] loop3: detected capacity change from 0 to 1024 [ 44.286217][ T455] EXT4-fs (loop3): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 44.305748][ T455] EXT4-fs (loop3): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 44.341258][ T455] cgroup: fork rejected by pids controller in /syz3 [ 44.426771][ T462] EXT4-fs error (device loop3): mb_free_blocks:1876: group 0, inode 18: block 305:freeing already freed block (bit 19); block bitmap corrupt. [ 44.626126][ T466] syz.3.20 (466) used greatest stack depth: 20352 bytes left [ 44.675419][ T525] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.682470][ T525] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.690250][ T525] device bridge_slave_0 entered promiscuous mode [ 44.698144][ T525] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.705255][ T525] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.712731][ T525] device bridge_slave_1 entered promiscuous mode [ 44.757496][ T525] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.764587][ T525] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.771861][ T525] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.778917][ T525] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.800545][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.808237][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.815876][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.825211][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.833438][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.840511][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.849050][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.857390][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.864492][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.878794][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.888200][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.903402][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.915763][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.923860][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.931784][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.939638][ T525] device veth0_vlan entered promiscuous mode [ 44.953139][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.962275][ T525] device veth1_macvtap entered promiscuous mode [ 44.972252][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.983833][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 44.992337][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.021149][ T536] loop4: detected capacity change from 0 to 1024 [ 45.028530][ T536] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 45.046538][ T536] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 45.085365][ T536] cgroup: fork rejected by pids controller in /syz4 [ 45.115335][ T266] device bridge_slave_1 left promiscuous mode [ 45.121766][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.139496][ T266] device bridge_slave_0 left promiscuous mode [ 45.146397][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.155564][ T266] device veth1_macvtap left promiscuous mode [ 45.161612][ T266] device veth0_vlan left promiscuous mode [ 45.489171][ T606] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.496633][ T606] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.503978][ T606] device bridge_slave_0 entered promiscuous mode [ 45.511113][ T606] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.518234][ T606] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.525739][ T606] device bridge_slave_1 entered promiscuous mode [ 45.576415][ T606] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.583466][ T606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.591102][ T606] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.598329][ T606] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.617128][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.624880][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.632356][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.642277][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.650722][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.658058][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.669624][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.677882][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.685138][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.697726][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.707322][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.721440][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 45.738494][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 45.746795][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 45.754627][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 45.765628][ T606] device veth0_vlan entered promiscuous mode [ 45.775774][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 45.785261][ T606] device veth1_macvtap entered promiscuous mode [ 45.797493][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 45.808396][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 45.838565][ T617] loop5: detected capacity change from 0 to 1024 [ 45.886301][ T617] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 45.905949][ T617] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 45.942656][ T617] cgroup: fork rejected by pids controller in /syz5 [ 46.188808][ T266] device bridge_slave_1 left promiscuous mode [ 46.195188][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.202801][ T266] device bridge_slave_0 left promiscuous mode [ 46.209427][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.217502][ T266] device bridge_slave_1 left promiscuous mode [ 46.223620][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.231295][ T266] device bridge_slave_0 left promiscuous mode [ 46.237471][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.245985][ T266] device veth1_macvtap left promiscuous mode [ 46.252432][ T266] device veth0_vlan left promiscuous mode [ 46.258552][ T266] device veth1_macvtap left promiscuous mode [ 46.264579][ T266] device veth0_vlan left promiscuous mode [ 46.447810][ T686] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.454941][ T686] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.462373][ T686] device bridge_slave_0 entered promiscuous mode [ 46.470424][ T686] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.477551][ T686] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.485283][ T686] device bridge_slave_1 entered promiscuous mode [ 46.535851][ T686] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.543228][ T686] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.550708][ T686] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.557793][ T686] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.576226][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.584018][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.591547][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.601036][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.609434][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.616510][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.626688][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.634918][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.642073][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.654089][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.663404][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.677847][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 46.689200][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 46.697502][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 46.705575][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 46.714210][ T686] device veth0_vlan entered promiscuous mode [ 46.725539][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 46.735092][ T686] device veth1_macvtap entered promiscuous mode [ 46.745412][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 46.755827][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 46.807085][ T697] loop6: detected capacity change from 0 to 1024 [ 46.863505][ T697] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 46.885797][ T697] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 46.923481][ T697] cgroup: fork rejected by pids controller in /syz6 [ 47.055197][ T700] EXT4-fs error (device loop6): mb_free_blocks:1876: group 0, inode 18: block 65:freeing already freed block (bit 4); block bitmap corrupt. [ 47.199562][ T766] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.206843][ T766] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.214433][ T766] device bridge_slave_0 entered promiscuous mode [ 47.221382][ T766] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.228645][ T766] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.236109][ T766] device bridge_slave_1 entered promiscuous mode [ 47.281504][ T766] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.288606][ T766] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.295929][ T766] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.302970][ T766] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.323603][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.331370][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.338868][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.347982][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.356392][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.363435][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.373873][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.382128][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.389221][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.400796][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.411223][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.427271][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.438737][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.446910][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.454634][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.464839][ T766] device veth0_vlan entered promiscuous mode [ 47.474621][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.484221][ T766] device veth1_macvtap entered promiscuous mode [ 47.494788][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.507279][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.535191][ T266] device bridge_slave_1 left promiscuous mode [ 47.541358][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.548893][ T777] loop7: detected capacity change from 0 to 1024 [ 47.555503][ T266] device bridge_slave_0 left promiscuous mode [ 47.561740][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.570762][ T266] device veth1_macvtap left promiscuous mode [ 47.577051][ T266] device veth0_vlan left promiscuous mode [ 47.580960][ T777] EXT4-fs (loop7): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 47.606287][ T777] EXT4-fs (loop7): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 47.643063][ T777] cgroup: fork rejected by pids controller in /syz7 [ 47.694840][ T790] EXT4-fs error (device loop7): mb_free_blocks:1876: group 0, inode 26: block 145:freeing already freed block (bit 9); block bitmap corrupt. 2026/02/08 07:46:27 executed programs: 19 [ 47.955711][ T846] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.962782][ T846] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.970481][ T846] device bridge_slave_0 entered promiscuous mode [ 47.977771][ T846] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.984858][ T846] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.992313][ T846] device bridge_slave_1 entered promiscuous mode [ 48.056158][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.063582][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.072637][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.081254][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.089509][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.096762][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.104491][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.114243][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.122670][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.130928][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.137992][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.150259][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.160178][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.174402][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.190557][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.199270][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.206877][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.216072][ T846] device veth0_vlan entered promiscuous mode [ 48.226353][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.239016][ T846] device veth1_macvtap entered promiscuous mode [ 48.248668][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.258568][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.289927][ T857] loop8: detected capacity change from 0 to 1024 [ 48.317200][ T857] EXT4-fs (loop8): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 48.345731][ T857] EXT4-fs (loop8): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 48.385538][ T857] cgroup: fork rejected by pids controller in /syz8 [ 48.528125][ T926] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.535924][ T926] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.543623][ T926] device bridge_slave_0 entered promiscuous mode [ 48.554597][ T926] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.561733][ T926] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.569315][ T926] device bridge_slave_1 entered promiscuous mode [ 48.617055][ T926] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.624251][ T926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.631669][ T926] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.638942][ T926] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.659033][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.666851][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.674248][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.683199][ T266] device bridge_slave_1 left promiscuous mode [ 48.690020][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.697698][ T266] device bridge_slave_0 left promiscuous mode [ 48.704029][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.712577][ T266] device bridge_slave_1 left promiscuous mode [ 48.718941][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.726473][ T266] device bridge_slave_0 left promiscuous mode [ 48.732625][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.740803][ T266] device veth1_macvtap left promiscuous mode [ 48.746987][ T266] device veth0_vlan left promiscuous mode [ 48.752839][ T266] device veth1_macvtap left promiscuous mode [ 48.758920][ T266] device veth0_vlan left promiscuous mode [ 48.959444][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.967715][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.974844][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.984414][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.992642][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.999753][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.013141][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.021803][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.030937][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.039340][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.053119][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 49.061698][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.073341][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 49.081360][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.090678][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.098525][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.106545][ T926] device veth0_vlan entered promiscuous mode [ 49.116614][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 49.124895][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.135280][ T926] device veth1_macvtap entered promiscuous mode [ 49.144223][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 49.152015][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 49.160251][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.169931][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 49.178302][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.206478][ T937] loop9: detected capacity change from 0 to 1024 [ 49.213904][ T937] EXT4-fs (loop9): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.235590][ T937] EXT4-fs (loop9): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 49.301797][ T937] cgroup: fork rejected by pids controller in /syz9 [ 49.560046][ T1006] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.567574][ T1006] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.575136][ T1006] device bridge_slave_0 entered promiscuous mode [ 49.583176][ T1006] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.590438][ T1006] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.598072][ T1006] device bridge_slave_1 entered promiscuous mode [ 49.643678][ T1006] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.650944][ T1006] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.658308][ T1006] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.665389][ T1006] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.685534][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.693173][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.700606][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.710427][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.718916][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.725999][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.736438][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.744665][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.751922][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.765365][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.776179][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.790331][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 49.801679][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 49.810003][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 49.817828][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 49.826248][ T1006] device veth0_vlan entered promiscuous mode [ 49.838158][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 49.847327][ T1006] device veth1_macvtap entered promiscuous mode [ 49.857129][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 49.868662][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 49.894126][ T1017] loop0: detected capacity change from 0 to 1024 [ 49.955098][ T1017] EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 49.964886][ T266] device bridge_slave_1 left promiscuous mode [ 49.973303][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.981240][ T266] device bridge_slave_0 left promiscuous mode [ 49.987809][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.996793][ T1017] EXT4-fs (loop0): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 50.023798][ T266] device veth1_macvtap left promiscuous mode [ 50.034545][ T266] device veth0_vlan left promiscuous mode [ 50.048112][ T1017] cgroup: fork rejected by pids controller in /syz0 [ 50.130602][ T1035] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3887: comm syz.0.41: Allocating blocks 1-17 which overlap fs metadata [ 50.144866][ T1035] syz.0.41 (1035) used greatest stack depth: 19720 bytes left [ 50.154265][ T1030] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3887: comm syz.0.41: Allocating blocks 1-17 which overlap fs metadata [ 50.174073][ T8] EXT4-fs error (device loop0): mb_free_blocks:1876: group 0, inode 21: block 321:freeing already freed block (bit 20); block bitmap corrupt. [ 50.432744][ T1087] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.440192][ T1087] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.447992][ T1087] device bridge_slave_0 entered promiscuous mode [ 50.455658][ T1087] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.462706][ T1087] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.470253][ T1087] device bridge_slave_1 entered promiscuous mode [ 50.516157][ T1087] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.523208][ T1087] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.530523][ T1087] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.537627][ T1087] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.557615][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.565640][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.572826][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.589236][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.597459][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.604649][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.614661][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.622876][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.629958][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.645065][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.654564][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.668242][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 50.682682][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 50.691032][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 50.698721][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 50.710147][ T1087] device veth0_vlan entered promiscuous mode [ 50.720522][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 50.732486][ T1087] device veth1_macvtap entered promiscuous mode [ 50.742181][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 50.752238][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 50.782594][ T1098] loop1: detected capacity change from 0 to 1024 [ 50.837461][ T1098] EXT4-fs (loop1): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 50.856309][ T1098] EXT4-fs (loop1): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 50.896536][ T1098] cgroup: fork rejected by pids controller in /syz1 [ 50.948513][ T1111] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3887: comm syz.1.44: Allocating blocks 1-17 which overlap fs metadata [ 50.964234][ T1116] EXT4-fs (loop1): pa ffff88812edefb28: logic 32, phys. 385, len 2 [ 50.972698][ T1116] EXT4-fs error (device loop1): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 50.983559][ T266] device bridge_slave_1 left promiscuous mode [ 50.989925][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.997621][ T1126] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3887: comm syz.1.44: Allocating blocks 497-513 which overlap fs metadata [ 51.009257][ T1116] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3887: comm syz.1.44: Allocating blocks 1-17 which overlap fs metadata [ 51.025247][ T266] device bridge_slave_0 left promiscuous mode [ 51.031422][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.038922][ T1120] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3887: comm syz.1.44: Allocating blocks 1-17 which overlap fs metadata [ 51.053412][ T266] device bridge_slave_1 left promiscuous mode [ 51.060545][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.068889][ T266] device bridge_slave_0 left promiscuous mode [ 51.075235][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.077249][ T1109] EXT4-fs error (device loop1): ext4_mb_mark_diskspace_used:3887: comm syz.1.44: Allocating blocks 1-17 which overlap fs metadata [ 51.090238][ T1115] EXT4-fs error (device loop1): mb_free_blocks:1876: group 0, inode 26: block 241:freeing already freed block (bit 15); block bitmap corrupt. [ 51.111576][ T266] device veth1_macvtap left promiscuous mode [ 51.117657][ T266] device veth0_vlan left promiscuous mode [ 51.125063][ T266] device veth1_macvtap left promiscuous mode [ 51.131333][ T266] device veth0_vlan left promiscuous mode [ 51.567155][ T1167] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.574231][ T1167] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.581887][ T1167] device bridge_slave_0 entered promiscuous mode [ 51.588987][ T1167] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.596307][ T1167] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.603732][ T1167] device bridge_slave_1 entered promiscuous mode [ 51.650524][ T1167] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.657626][ T1167] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.664968][ T1167] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.672008][ T1167] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.690194][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.697854][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.705540][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.716126][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.724547][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.731591][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.740682][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.748951][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.756103][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.775255][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.783325][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.795253][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 51.809275][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 51.818454][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 51.826042][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 51.834398][ T1167] device veth0_vlan entered promiscuous mode [ 51.844708][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 51.854833][ T1167] device veth1_macvtap entered promiscuous mode [ 51.864014][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 51.873883][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 51.904096][ T1178] loop2: detected capacity change from 0 to 1024 [ 51.952561][ T1178] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 51.975739][ T1178] EXT4-fs (loop2): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 52.059916][ T1201] EXT4-fs error (device loop2): mb_free_blocks:1876: group 0, inode 32: block 161:freeing already freed block (bit 10); block bitmap corrupt. [ 52.299293][ T1247] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.306608][ T1247] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.314002][ T1247] device bridge_slave_0 entered promiscuous mode [ 52.321558][ T1247] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.328823][ T1247] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.336455][ T1247] device bridge_slave_1 entered promiscuous mode [ 52.397868][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.405409][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.414101][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.422544][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.430774][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.437855][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.446281][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.456769][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.465148][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.473403][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.480498][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.488892][ T266] device bridge_slave_1 left promiscuous mode [ 52.495140][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.502742][ T266] device bridge_slave_0 left promiscuous mode [ 52.509101][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.517292][ T266] device veth1_macvtap left promiscuous mode [ 52.523295][ T266] device veth0_vlan left promiscuous mode [ 52.659885][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.669428][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.683375][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 52.696618][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 52.704959][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 52.712543][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 52.720872][ T1247] device veth0_vlan entered promiscuous mode [ 52.731362][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 52.741535][ T1247] device veth1_macvtap entered promiscuous mode [ 52.751169][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 52.762024][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 52.787835][ T1258] loop3: detected capacity change from 0 to 1024 [ 52.827580][ T1258] EXT4-fs (loop3): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 52.846472][ T1258] EXT4-fs (loop3): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 52.915748][ T1270] EXT4-fs error (device loop3): ext4_mb_mark_diskspace_used:3887: comm syz.3.50: Allocating blocks 1-17 which overlap fs metadata [ 52.936640][ T1270] syz.3.50 (1270) used greatest stack depth: 19712 bytes left [ 52.985245][ T1261] EXT4-fs error (device loop3): mb_free_blocks:1876: group 0, inode 18: block 81:freeing already freed block (bit 5); block bitmap corrupt. 2026/02/08 07:46:32 executed programs: 37 [ 53.098869][ T1327] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.107014][ T1327] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.114657][ T1327] device bridge_slave_0 entered promiscuous mode [ 53.123435][ T1327] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.130732][ T1327] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.138713][ T1327] device bridge_slave_1 entered promiscuous mode [ 53.186873][ T1327] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.193933][ T1327] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.201276][ T1327] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.208354][ T1327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.229137][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.237285][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.245086][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.256753][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.264978][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.272032][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.281193][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.289812][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.296916][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.311335][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.320925][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.336815][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.348750][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 53.356786][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.365124][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.372727][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.381481][ T266] device bridge_slave_1 left promiscuous mode [ 53.387820][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.395439][ T266] device bridge_slave_0 left promiscuous mode [ 53.401601][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.409704][ T266] device veth1_macvtap left promiscuous mode [ 53.415823][ T266] device veth0_vlan left promiscuous mode [ 53.490125][ T1327] device veth0_vlan entered promiscuous mode [ 53.500392][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 53.508735][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.519210][ T1327] device veth1_macvtap entered promiscuous mode [ 53.528394][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 53.536097][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 53.544667][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.554020][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 53.562402][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.589634][ T1338] loop4: detected capacity change from 0 to 1024 [ 53.631116][ T1338] EXT4-fs (loop4): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 53.665804][ T1338] EXT4-fs (loop4): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 53.767428][ T1347] EXT4-fs error (device loop4): ext4_mb_mark_diskspace_used:3887: comm syz.4.53: Allocating blocks 497-513 which overlap fs metadata [ 53.789193][ T1360] EXT4-fs error (device loop4): mb_free_blocks:1876: group 0, inode 31: block 401:freeing already freed block (bit 25); block bitmap corrupt. [ 54.058115][ T1408] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.065642][ T1408] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.073346][ T1408] device bridge_slave_0 entered promiscuous mode [ 54.080775][ T1408] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.087988][ T1408] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.095619][ T1408] device bridge_slave_1 entered promiscuous mode [ 54.142227][ T1408] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.149313][ T1408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.156649][ T1408] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.163691][ T1408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.182223][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.190081][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.197411][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.209271][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.217692][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.224770][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.233520][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.241902][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.248961][ T336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.261345][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.272475][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.288051][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.301812][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.310117][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.317754][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.326027][ T1408] device veth0_vlan entered promiscuous mode [ 54.336279][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.348044][ T1408] device veth1_macvtap entered promiscuous mode [ 54.357213][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.365578][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.376027][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.384269][ T336] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.410970][ T266] device bridge_slave_1 left promiscuous mode [ 54.411001][ T1419] loop5: detected capacity change from 0 to 1024 [ 54.417765][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.432104][ T266] device bridge_slave_0 left promiscuous mode [ 54.438385][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.446643][ T266] device veth1_macvtap left promiscuous mode [ 54.452716][ T266] device veth0_vlan left promiscuous mode [ 54.505151][ T1419] EXT4-fs (loop5): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 54.526968][ T1419] EXT4-fs (loop5): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 54.765960][ T1434] EXT4-fs error (device loop5): mb_free_blocks:1876: group 0, inode 19: block 257:freeing already freed block (bit 16); block bitmap corrupt. [ 54.927530][ T1488] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.934948][ T1488] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.942310][ T1488] device bridge_slave_0 entered promiscuous mode [ 54.949479][ T1488] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.956801][ T1488] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.964196][ T1488] device bridge_slave_1 entered promiscuous mode [ 55.013906][ T1488] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.020988][ T1488] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.028318][ T1488] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.035392][ T1488] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.058391][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.066332][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.073639][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.083147][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.091740][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.099231][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.111651][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.119961][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.127164][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.139076][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.151457][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.167021][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.180831][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.189033][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.196747][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.208621][ T1488] device veth0_vlan entered promiscuous mode [ 55.219030][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.228132][ T1488] device veth1_macvtap entered promiscuous mode [ 55.237517][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.251991][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.282296][ T1499] loop6: detected capacity change from 0 to 1024 [ 55.342580][ T1499] EXT4-fs (loop6): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.366092][ T1499] EXT4-fs (loop6): mounted filesystem without journal. Opts: dioread_nolock,noauto_da_alloc,inlinecrypt,i_version,data_err=ignore,barrier=0x0000000000000009,data_err=ignore,grpquota,noblock_validity,user_xattr,resuid=0x0000000000000000,quota,,errors=continue. Quota mode: writeback. [ 55.426423][ T266] device bridge_slave_1 left promiscuous mode [ 55.432609][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.442746][ T266] device bridge_slave_0 left promiscuous mode [ 55.454775][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.467207][ T266] device bridge_slave_1 left promiscuous mode [ 55.473505][ T266] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.486027][ T266] device bridge_slave_0 left promiscuous mode [ 55.492392][ T266] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.507159][ T1506] ------------[ cut here ]------------ [ 55.514948][ T266] device veth1_macvtap left promiscuous mode [ 55.515597][ T1506] kernel BUG at fs/ext4/extents.c:2140! [ 55.521755][ T45] EXT4-fs error (device loop6): mb_free_blocks:1876: group 0, inode 29: block 321:freeing already freed block (bit 20); block bitmap corrupt. [ 55.529446][ T1506] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.542801][ T266] device veth0_vlan left promiscuous mode [ 55.547285][ T1506] CPU: 1 PID: 1506 Comm: syz.6.60 Not tainted syzkaller #0 [ 55.547310][ T1506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 [ 55.547322][ T1506] RIP: 0010:ext4_ext_insert_extent+0x477e/0x47c0 [ 55.576661][ T1506] Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c a5 e8 ff ff 4c 89 f7 e8 33 7b d4 ff e9 98 e8 ff ff e8 69 50 95 ff 0f 0b e8 62 50 95 ff <0f> 0b e8 5b 50 95 ff 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 19 [ 55.596295][ T1506] RSP: 0018:ffffc90005166140 EFLAGS: 00010293 [ 55.602367][ T1506] RAX: ffffffff81d47c4e RBX: ffff88812b2f0400 RCX: ffff8881118c93c0 [ 55.610337][ T1506] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 [ 55.618322][ T1506] RBP: ffffc900051662f0 R08: ffff888122547697 R09: 1ffff110244a8ed2 [ 55.626295][ T1506] R10: dffffc0000000000 R11: ffffed10244a8ed3 R12: 0000000000000006 [ 55.634266][ T1506] R13: ffff88812ef241a0 R14: ffff88812b2f043c R15: 0000000000000006 [ 55.642395][ T1506] FS: 00007f89224a66c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 55.651336][ T1506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.657920][ T1506] CR2: 00007ffcc1eedd40 CR3: 0000000111f6d000 CR4: 00000000003506a0 [ 55.665896][ T1506] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.673864][ T1506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.681945][ T1506] Call Trace: [ 55.685222][ T1506] [ 55.688211][ T1506] ? get_implied_cluster_alloc+0x5cc/0xb60 [ 55.694197][ T1506] ? ext4_ext_next_allocated_block+0x2e0/0x2e0 [ 55.700368][ T1506] ext4_ext_map_blocks+0x186c/0x61e0 [ 55.705665][ T1506] ? compat_start_thread+0x20/0x20 [ 55.710948][ T1506] ? __update_idle_core+0x2a0/0x2a0 [ 55.716177][ T1506] ? __kasan_check_write+0x14/0x20 [ 55.721303][ T1506] ? finish_task_switch+0x209/0x780 [ 55.726501][ T1506] ? ext4_ext_release+0x10/0x10 [ 55.731376][ T1506] ? __switch_to_asm+0x3a/0x60 [ 55.736161][ T1506] ? ext4_es_lookup_extent+0x54c/0x900 [ 55.741623][ T1506] ext4_map_blocks+0x988/0x1b30 [ 55.746489][ T1506] ? ext4_issue_zeroout+0x250/0x250 [ 55.751683][ T1506] _ext4_get_block+0x1ea/0x540 [ 55.756442][ T1506] ? ext4_get_block+0x50/0x50 [ 55.761117][ T1506] ext4_get_block_unwritten+0x2a/0x40 [ 55.766484][ T1506] ext4_block_write_begin+0x563/0x1160 [ 55.771947][ T1506] ? _ext4_get_block+0x540/0x540 [ 55.776881][ T1506] ? ext4_print_free_blocks+0x390/0x390 [ 55.782420][ T1506] ? ext4_write_begin+0x44c/0x12e0 [ 55.787535][ T1506] ? ext4_inode_journal_mode+0x19a/0x480 [ 55.793387][ T1506] ext4_write_begin+0x65a/0x12e0 [ 55.798461][ T1506] ? __switch_to+0x515/0xe50 [ 55.803059][ T1506] ? ext4_readahead+0x110/0x110 [ 55.807924][ T1506] ? compat_start_thread+0x20/0x20 [ 55.813058][ T1506] ? __update_idle_core+0x2a0/0x2a0 [ 55.818272][ T1506] ? __kasan_check_write+0x14/0x20 [ 55.823394][ T1506] ? finish_task_switch+0x209/0x780 [ 55.828606][ T1506] ? __switch_to_asm+0x3a/0x60 [ 55.833376][ T1506] ? __schedule+0xb76/0x14c0 [ 55.837967][ T1506] ext4_da_write_begin+0x321/0xbf0 [ 55.843223][ T1506] ? __kasan_check_read+0x11/0x20 [ 55.848268][ T1506] ? preempt_schedule_common+0xbe/0xf0 [ 55.853741][ T1506] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 55.859040][ T1506] ? __kasan_check_write+0x14/0x20 [ 55.864182][ T1506] ? _raw_spin_lock+0x94/0xf0 [ 55.868875][ T1506] ? _raw_spin_trylock_bh+0x150/0x150 [ 55.874248][ T1506] ? next_uptodate_page+0xa12/0xa40 [ 55.879443][ T1506] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 55.885251][ T1506] ? rcu_preempt_deferred_qs_irqrestore+0x6ce/0x9d0 [ 55.891843][ T1506] ? ktime_get_coarse_real_ts64+0x11b/0x130 [ 55.897745][ T1506] ? current_time+0x1ad/0x2c0 [ 55.902538][ T1506] generic_perform_write+0x2b7/0x690 [ 55.907958][ T1506] ? file_remove_privs+0x5c0/0x5c0 [ 55.913201][ T1506] ? grab_cache_page_write_begin+0xb0/0xb0 [ 55.919013][ T1506] ? handle_pte_fault+0x1c2a/0x2710 [ 55.924230][ T1506] ? generic_write_checks+0x3d4/0x480 [ 55.929601][ T1506] ext4_buffered_write_iter+0x4ed/0x670 [ 55.935144][ T1506] ext4_file_write_iter+0x440/0x1540 [ 55.940425][ T1506] ? __kasan_check_write+0x14/0x20 [ 55.945528][ T1506] ? _raw_spin_lock+0x94/0xf0 [ 55.950204][ T1506] ? _raw_spin_trylock_bh+0x150/0x150 [ 55.955568][ T1506] ? __kasan_check_write+0x14/0x20 [ 55.960678][ T1506] ? try_grab_page+0x10d/0x3f0 [ 55.965555][ T1506] ? _raw_spin_unlock+0x4d/0x70 [ 55.970417][ T1506] ? follow_page_pte+0x943/0x980 [ 55.975359][ T1506] ? ext4_file_read_iter+0x510/0x510 [ 55.980644][ T1506] ? memset+0x35/0x40 [ 55.984620][ T1506] ? iov_iter_kvec+0xbc/0x180 [ 55.989291][ T1506] __kernel_write+0x510/0x950 [ 55.993976][ T1506] ? vfs_read+0xc40/0xc40 [ 55.998329][ T1506] ? __kasan_check_write+0x14/0x20 [ 56.003458][ T1506] ? _raw_spin_lock+0x94/0xf0 [ 56.008141][ T1506] ? _raw_spin_trylock_bh+0x150/0x150 [ 56.013524][ T1506] __dump_emit+0x246/0x370 [ 56.018216][ T1506] ? wait_for_dump_helpers+0x3a0/0x3a0 [ 56.023721][ T1506] ? ext4_llseek+0x1ee/0x210 [ 56.028337][ T1506] dump_emit+0x383/0x3f0 [ 56.032605][ T1506] dump_user_range+0x86/0x1c0 [ 56.037295][ T1506] elf_core_dump+0x2a8f/0x2fd0 [ 56.042085][ T1506] ? load_elf_binary+0x28e0/0x28e0 [ 56.047211][ T1506] ? __kmalloc+0x13d/0x2c0 [ 56.051646][ T1506] ? kvmalloc_node+0x23c/0x320 [ 56.056433][ T1506] do_coredump+0x1452/0x2950 [ 56.061074][ T1506] ? simple_acl_create+0x1c0/0x1c0 [ 56.066312][ T1506] ? kmem_cache_free+0x100/0x320 [ 56.071271][ T1506] ? ____kasan_slab_free+0x130/0x160 [ 56.076684][ T1506] ? get_signal+0xb5e/0x1480 [ 56.081289][ T1506] ? kmem_cache_free+0x100/0x320 [ 56.086253][ T1506] get_signal+0x38d/0x1480 [ 56.090683][ T1506] arch_do_signal_or_restart+0xdf/0x11c0 [ 56.096335][ T1506] ? bad_area+0x74/0x90 [ 56.100504][ T1506] ? do_kern_addr_fault+0x80/0x80 [ 56.105554][ T1506] ? get_sigframe_size+0x10/0x10 [ 56.110516][ T1506] exit_to_user_mode_loop+0xa7/0xe0 [ 56.115732][ T1506] exit_to_user_mode_prepare+0x87/0xd0 [ 56.121208][ T1506] irqentry_exit_to_user_mode+0x9/0x10 [ 56.126688][ T1506] irqentry_exit+0x12/0x40 [ 56.131125][ T1506] exc_page_fault+0x5e/0xb0 [ 56.135639][ T1506] asm_exc_page_fault+0x27/0x30 [ 56.140501][ T1506] RIP: 0033:0x7f8922641eb9 [ 56.144959][ T1506] Code: Unable to access opcode bytes at RIP 0x7f8922641e8f. [ 56.152331][ T1506] RSP: 002b:00007f89224a5fd8 EFLAGS: 00010206 [ 56.158411][ T1506] RAX: 0000000000000000 RBX: 00007f89228bcfa0 RCX: 00007f8922641eb9 [ 56.166390][ T1506] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000a000 [ 56.174369][ T1506] RBP: 00007f89226afc1f R08: 0000000000000000 R09: 0000000000000000 [ 56.182347][ T1506] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 56.190326][ T1506] R13: 00007f89228bd038 R14: 00007f89228bcfa0 R15: 00007ffcc1ef1308 [ 56.198311][ T1506] [ 56.201342][ T1506] Modules linked in: [ 56.206009][ T266] device veth1_macvtap left promiscuous mode [ 56.210752][ T1506] ---[ end trace 3731153fa4331a1f ]--- [ 56.212097][ T266] device veth0_vlan left promiscuous mode [ 56.218857][ T1506] RIP: 0010:ext4_ext_insert_extent+0x477e/0x47c0 [ 56.233880][ T1506] Code: ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c a5 e8 ff ff 4c 89 f7 e8 33 7b d4 ff e9 98 e8 ff ff e8 69 50 95 ff 0f 0b e8 62 50 95 ff <0f> 0b e8 5b 50 95 ff 0f 0b 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 19 [ 56.254175][ T1506] RSP: 0018:ffffc90005166140 EFLAGS: 00010293 [ 56.260594][ T1506] RAX: ffffffff81d47c4e RBX: ffff88812b2f0400 RCX: ffff8881118c93c0 [ 56.269236][ T1506] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 [ 56.277452][ T1506] RBP: ffffc900051662f0 R08: ffff888122547697 R09: 1ffff110244a8ed2 [ 56.285828][ T1506] R10: dffffc0000000000 R11: ffffed10244a8ed3 R12: 0000000000000006 [ 56.293901][ T1506] R13: ffff88812ef241a0 R14: ffff88812b2f043c R15: 0000000000000006 [ 56.302355][ T1506] FS: 00007f89224a66c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 56.311533][ T1506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.318348][ T1506] CR2: 00007f8922641e8f CR3: 0000000111f6d000 CR4: 00000000003506a0 [ 56.326660][ T1506] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.334744][ T1506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.342788][ T1506] Kernel panic - not syncing: Fatal exception [ 56.349233][ T1506] Kernel Offset: disabled [ 56.353569][ T1506] Rebooting in 86400 seconds..