Warning: Permanently added '10.128.1.70' (ED25519) to the list of known hosts. 2026/03/03 11:55:38 parsed 1 programs [ 21.139798][ T30] audit: type=1400 audit(1772538938.467:64): avc: denied { node_bind } for pid=281 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 21.161176][ T30] audit: type=1400 audit(1772538938.467:65): avc: denied { module_request } for pid=281 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 [ 21.811905][ T30] audit: type=1400 audit(1772538939.137:66): avc: denied { mounton } for pid=287 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 [ 21.812893][ T287] cgroup: Unknown subsys name 'net' [ 21.835161][ T30] audit: type=1400 audit(1772538939.137:67): avc: denied { mount } for pid=287 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 [ 21.862800][ T30] audit: type=1400 audit(1772538939.167:68): avc: denied { unmount } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.862967][ T287] cgroup: Unknown subsys name 'devices' [ 22.061581][ T287] cgroup: Unknown subsys name 'hugetlb' [ 22.067209][ T287] cgroup: Unknown subsys name 'rlimit' [ 22.358294][ T30] audit: type=1400 audit(1772538939.677:69): avc: denied { setattr } for pid=287 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 [ 22.372505][ T291] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 22.381778][ T30] audit: type=1400 audit(1772538939.677:70): avc: denied { create } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.410682][ T30] audit: type=1400 audit(1772538939.677:71): avc: denied { write } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.431229][ T30] audit: type=1400 audit(1772538939.677:72): avc: denied { read } for pid=287 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.433386][ T287] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 22.451629][ T30] audit: type=1400 audit(1772538939.687:73): avc: denied { mounton } for pid=287 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 [ 23.045030][ T297] request_module fs-gadgetfs succeeded, but still no fs? [ 23.498720][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.506123][ T337] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.513846][ T337] device bridge_slave_0 entered promiscuous mode [ 23.520686][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.527722][ T337] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.535219][ T337] device bridge_slave_1 entered promiscuous mode [ 23.571558][ T337] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.578603][ T337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.585992][ T337] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.593029][ T337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.609764][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 23.617478][ T318] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.625072][ T318] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.637213][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 23.645417][ T318] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.652584][ T318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.667165][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 23.675513][ T318] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.682626][ T318] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.694466][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 23.707245][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 23.719999][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 23.731185][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 23.739271][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 23.747409][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 23.755609][ T337] device veth0_vlan entered promiscuous mode [ 23.770752][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 23.780149][ T337] device veth1_macvtap entered promiscuous mode [ 23.788710][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 23.798323][ T318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 23.833692][ T337] syz-executor (337) used greatest stack depth: 20608 bytes left 2026/03/03 11:55:41 executed programs: 0 [ 24.106787][ T355] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.114669][ T355] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.122249][ T355] device bridge_slave_0 entered promiscuous mode [ 24.129202][ T355] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.136479][ T355] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.144190][ T355] device bridge_slave_1 entered promiscuous mode [ 24.201977][ T355] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.209160][ T355] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.216449][ T355] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.223511][ T355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.240275][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 24.248687][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.256102][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.267381][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 24.275986][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.283126][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.291925][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 24.300536][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.307573][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.318786][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 24.328806][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 24.342371][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 24.353096][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 24.361527][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 24.368884][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 24.377323][ T355] device veth0_vlan entered promiscuous mode [ 24.386803][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 24.396037][ T355] device veth1_macvtap entered promiscuous mode [ 24.404851][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 24.414694][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 24.440941][ T360] loop2: detected capacity change from 0 to 1024 [ 24.457815][ T360] EXT4-fs (loop2): Ignoring removed bh option [ 24.463963][ T360] EXT4-fs (loop2): Ignoring removed oldalloc option [ 24.471990][ T360] EXT4-fs (loop2): Ignoring removed nobh option [ 24.478283][ T360] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 24.501423][ T360] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 24.558233][ T360] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.17: Allocating blocks 497-513 which overlap fs metadata [ 24.572586][ T360] EXT4-fs (loop2): pa ffff888120b61348: logic 128, phys. 385, len 8 [ 24.580836][ T360] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 24.615982][ T360] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.17: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 24.634292][ T360] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 24.634413][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 24.647443][ T360] EXT4-fs (loop2): This should not happen!! Data will be lost [ 24.647443][ T360] [ 24.677319][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 111: len 1: ext4_ext_map_blocks returned -117 [ 24.678178][ T360] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.17: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 24.691490][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 24.720782][ T360] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 24.722371][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 24.754825][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 112: len 4: ext4_ext_map_blocks returned -117 [ 24.769495][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 24.888328][ T367] loop2: detected capacity change from 0 to 1024 [ 24.896644][ T367] EXT4-fs (loop2): Ignoring removed bh option [ 24.903129][ T367] EXT4-fs (loop2): Ignoring removed oldalloc option [ 24.910079][ T367] EXT4-fs (loop2): Ignoring removed nobh option [ 24.916740][ T367] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 24.936507][ T367] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 24.989330][ T367] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.18: Allocating blocks 497-513 which overlap fs metadata [ 25.003836][ T367] EXT4-fs (loop2): pa ffff888120b9f888: logic 128, phys. 385, len 8 [ 25.011984][ T367] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 25.022562][ T45] device bridge_slave_1 left promiscuous mode [ 25.028839][ T45] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.036721][ T45] device bridge_slave_0 left promiscuous mode [ 25.043197][ T45] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.051867][ T45] device veth1_macvtap left promiscuous mode [ 25.058255][ T45] device veth0_vlan left promiscuous mode [ 25.063586][ T367] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.18: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 25.082230][ T367] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 25.095071][ T367] EXT4-fs (loop2): This should not happen!! Data will be lost [ 25.095071][ T367] [ 25.105666][ T367] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.18: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 25.124793][ T367] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 25.188207][ T373] loop2: detected capacity change from 0 to 1024 [ 25.270260][ T373] EXT4-fs (loop2): Ignoring removed bh option [ 25.276440][ T373] EXT4-fs (loop2): Ignoring removed oldalloc option [ 25.283535][ T373] EXT4-fs (loop2): Ignoring removed nobh option [ 25.289878][ T373] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 25.311074][ T373] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 25.354735][ T373] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.19: Allocating blocks 497-513 which overlap fs metadata [ 25.369152][ T373] EXT4-fs (loop2): pa ffff888120b9fd20: logic 128, phys. 385, len 8 [ 25.377323][ T373] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 25.413771][ T373] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.19: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 25.432932][ T373] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 25.432963][ T318] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 25.446204][ T373] EXT4-fs (loop2): This should not happen!! Data will be lost [ 25.446204][ T373] [ 25.465488][ T318] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 25.488794][ T318] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 25.581257][ T378] loop2: detected capacity change from 0 to 1024 [ 25.594469][ T378] EXT4-fs (loop2): Ignoring removed bh option [ 25.601507][ T378] EXT4-fs (loop2): Ignoring removed oldalloc option [ 25.608578][ T378] EXT4-fs (loop2): Ignoring removed nobh option [ 25.615483][ T378] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 25.630620][ T378] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 25.676661][ T378] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.20: Allocating blocks 497-513 which overlap fs metadata [ 25.690913][ T378] EXT4-fs (loop2): pa ffff888120b7c690: logic 128, phys. 385, len 8 [ 25.698901][ T378] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 25.725624][ T378] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.20: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 25.744291][ T378] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 92 with max blocks 4 with error 117 [ 25.757647][ T378] EXT4-fs (loop2): This should not happen!! Data will be lost [ 25.757647][ T378] [ 25.817537][ T383] loop2: detected capacity change from 0 to 1024 [ 25.857249][ T383] EXT4-fs (loop2): Ignoring removed bh option [ 25.863466][ T383] EXT4-fs (loop2): Ignoring removed oldalloc option [ 25.870420][ T383] EXT4-fs (loop2): Ignoring removed nobh option [ 25.876694][ T383] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 25.890845][ T383] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 25.940040][ T383] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.21: Allocating blocks 497-513 which overlap fs metadata [ 25.954183][ T383] EXT4-fs (loop2): pa ffff888120b7cdc8: logic 128, phys. 385, len 8 [ 25.962200][ T383] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 25.991238][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 26.010218][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 102: len 2: ext4_ext_map_blocks returned -117 [ 26.010247][ T383] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.21: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 26.024013][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 26.043016][ T383] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 26.067766][ T383] EXT4-fs (loop2): This should not happen!! Data will be lost [ 26.067766][ T383] [ 26.078454][ T383] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.21: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 26.097157][ T383] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 26.168184][ T388] loop2: detected capacity change from 0 to 1024 [ 26.202732][ T388] EXT4-fs (loop2): Ignoring removed bh option [ 26.208999][ T388] EXT4-fs (loop2): Ignoring removed oldalloc option [ 26.215872][ T388] EXT4-fs (loop2): Ignoring removed nobh option [ 26.222420][ T388] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 26.240904][ T388] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 26.286562][ T388] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.22: Allocating blocks 497-513 which overlap fs metadata [ 26.300586][ T388] EXT4-fs (loop2): pa ffff88812e089d20: logic 128, phys. 385, len 8 [ 26.308699][ T388] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 26.338956][ T318] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 26.357911][ T318] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 103: len 1: ext4_ext_map_blocks returned -117 [ 26.357946][ T388] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.22: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 26.371862][ T318] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 26.390429][ T388] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 107 with max blocks 1 with error 117 [ 26.415139][ T388] EXT4-fs (loop2): This should not happen!! Data will be lost [ 26.415139][ T388] [ 26.425827][ T388] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.22: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 26.444320][ T388] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 3: ext4_ext_map_blocks returned -117 [ 26.597854][ T393] loop2: detected capacity change from 0 to 1024 [ 26.631272][ T393] EXT4-fs (loop2): Ignoring removed bh option [ 26.637450][ T393] EXT4-fs (loop2): Ignoring removed oldalloc option [ 26.644157][ T393] EXT4-fs (loop2): Ignoring removed nobh option [ 26.650465][ T393] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 26.671454][ T393] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 26.717705][ T393] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.23: Allocating blocks 497-513 which overlap fs metadata [ 26.732113][ T393] EXT4-fs (loop2): pa ffff88812e089498: logic 128, phys. 385, len 8 [ 26.740223][ T393] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 26.769298][ T393] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.23: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 26.788000][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 26.792153][ T393] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 100 with max blocks 12 with error 117 [ 26.819577][ T393] EXT4-fs (loop2): This should not happen!! Data will be lost [ 26.819577][ T393] [ 26.819962][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 26.843066][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 26.961914][ T398] loop2: detected capacity change from 0 to 1024 [ 26.969894][ T398] EXT4-fs (loop2): Ignoring removed bh option [ 26.976001][ T398] EXT4-fs (loop2): Ignoring removed oldalloc option [ 26.982716][ T398] EXT4-fs (loop2): Ignoring removed nobh option [ 26.989162][ T398] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 27.010764][ T398] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 27.068235][ T398] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.24: Allocating blocks 497-513 which overlap fs metadata [ 27.082251][ T398] EXT4-fs (loop2): pa ffff88810d17b0a8: logic 128, phys. 385, len 8 [ 27.090278][ T398] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 27.119550][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 27.138582][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 92: len 4: ext4_ext_map_blocks returned -117 [ 27.138626][ T398] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.24: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 27.152689][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 27.171235][ T398] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 102 with max blocks 2 with error 117 [ 27.183939][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 27.196153][ T398] EXT4-fs (loop2): This should not happen!! Data will be lost [ 27.196153][ T398] [ 27.225511][ T398] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.24: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 27.243827][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 27.257773][ T398] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 100: len 2: ext4_ext_map_blocks returned -117 [ 27.271754][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 27.384208][ T403] loop2: detected capacity change from 0 to 1024 [ 27.395554][ T403] EXT4-fs (loop2): Ignoring removed bh option [ 27.402586][ T403] EXT4-fs (loop2): Ignoring removed oldalloc option [ 27.409410][ T403] EXT4-fs (loop2): Ignoring removed nobh option [ 27.416730][ T403] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 27.430884][ T403] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 27.475964][ T403] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.25: Allocating blocks 497-513 which overlap fs metadata [ 27.489985][ T403] EXT4-fs (loop2): pa ffff88812e0be738: logic 128, phys. 385, len 8 [ 27.497981][ T403] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 27.528304][ T403] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.25: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 27.547346][ T403] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 27.560089][ T403] EXT4-fs (loop2): This should not happen!! Data will be lost [ 27.560089][ T403] [ 27.572097][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 27.590974][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 27.604736][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 27.741338][ T408] loop2: detected capacity change from 0 to 1024 [ 27.781376][ T408] EXT4-fs (loop2): Ignoring removed bh option [ 27.787494][ T408] EXT4-fs (loop2): Ignoring removed oldalloc option [ 27.794294][ T408] EXT4-fs (loop2): Ignoring removed nobh option [ 27.800644][ T408] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 27.820693][ T408] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 27.869724][ T408] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.26: Allocating blocks 497-513 which overlap fs metadata [ 27.883687][ T408] EXT4-fs (loop2): pa ffff88812e0be690: logic 128, phys. 385, len 8 [ 27.891791][ T408] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 27.921067][ T408] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.26: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 27.940080][ T408] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 107 with max blocks 1 with error 117 [ 27.952732][ T408] EXT4-fs (loop2): This should not happen!! Data will be lost [ 27.952732][ T408] [ 27.963284][ T408] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.26: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 27.982644][ T408] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 3: ext4_ext_map_blocks returned -117 [ 28.147658][ T413] EXT4-fs (loop2): Ignoring removed bh option [ 28.153912][ T413] EXT4-fs (loop2): Ignoring removed oldalloc option [ 28.160590][ T413] EXT4-fs (loop2): Ignoring removed nobh option [ 28.166857][ T413] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 28.180670][ T413] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 28.229129][ T413] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.27: Allocating blocks 497-513 which overlap fs metadata [ 28.243369][ T413] EXT4-fs (loop2): pa ffff888120bbee70: logic 128, phys. 385, len 8 [ 28.251401][ T413] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 28.279605][ T413] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.27: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 28.298546][ T413] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 100 with max blocks 12 with error 117 [ 28.298580][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 28.311633][ T413] EXT4-fs (loop2): This should not happen!! Data will be lost [ 28.311633][ T413] [ 28.330294][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 28.353646][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 28.632968][ T418] EXT4-fs (loop2): Ignoring removed bh option [ 28.639152][ T418] EXT4-fs (loop2): Ignoring removed oldalloc option [ 28.648242][ T418] EXT4-fs (loop2): Ignoring removed nobh option [ 28.654596][ T418] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 28.670796][ T418] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 28.720105][ T418] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.28: Allocating blocks 497-513 which overlap fs metadata [ 28.734218][ T418] EXT4-fs (loop2): pa ffff888120bc41f8: logic 128, phys. 385, len 8 [ 28.742253][ T418] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 28.774729][ T418] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.28: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 28.793716][ T418] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 28.806474][ T418] EXT4-fs (loop2): This should not happen!! Data will be lost [ 28.806474][ T418] [ 28.817001][ T418] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.28: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 28.835855][ T418] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 29.003625][ T423] EXT4-fs (loop2): Ignoring removed bh option [ 29.009896][ T423] EXT4-fs (loop2): Ignoring removed oldalloc option [ 29.016608][ T423] EXT4-fs (loop2): Ignoring removed nobh option [ 29.023032][ T423] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 29.040687][ T423] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 29.086250][ T423] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.29: Allocating blocks 497-513 which overlap fs metadata [ 29.100452][ T423] EXT4-fs (loop2): pa ffff888120bc4930: logic 128, phys. 385, len 8 [ 29.108607][ T423] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 29.140230][ T423] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.29: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 29.158582][ T423] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 29.171576][ T423] EXT4-fs (loop2): This should not happen!! Data will be lost [ 29.171576][ T423] [ 29.182563][ T423] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.29: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 29.201323][ T423] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 2026/03/03 11:55:46 executed programs: 15 [ 29.260423][ T30] kauditd_printk_skb: 45 callbacks suppressed [ 29.260438][ T30] audit: type=1400 audit(1772538946.587:119): avc: denied { write } for pid=281 comm="syz-execprog" path="pipe:[14002]" dev="pipefs" ino=14002 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 29.372907][ T428] EXT4-fs (loop2): Ignoring removed bh option [ 29.379189][ T428] EXT4-fs (loop2): Ignoring removed oldalloc option [ 29.385866][ T428] EXT4-fs (loop2): Ignoring removed nobh option [ 29.392249][ T428] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 29.411236][ T428] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 29.462465][ T428] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.30: Allocating blocks 497-513 which overlap fs metadata [ 29.476425][ T428] EXT4-fs (loop2): pa ffff88812e0f4690: logic 128, phys. 385, len 8 [ 29.484547][ T428] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 29.516801][ T428] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.30: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 29.535350][ T428] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 29.548268][ T428] EXT4-fs (loop2): This should not happen!! Data will be lost [ 29.548268][ T428] [ 29.559041][ T428] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.30: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 29.577528][ T428] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 29.671218][ T434] set_capacity_and_notify: 4 callbacks suppressed [ 29.671230][ T434] loop2: detected capacity change from 0 to 1024 [ 29.685934][ T434] EXT4-fs (loop2): Ignoring removed bh option [ 29.692843][ T434] EXT4-fs (loop2): Ignoring removed oldalloc option [ 29.699608][ T434] EXT4-fs (loop2): Ignoring removed nobh option [ 29.705941][ T434] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 29.720586][ T434] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 29.766988][ T434] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.31: Allocating blocks 497-513 which overlap fs metadata [ 29.781262][ T434] EXT4-fs (loop2): pa ffff88812e159d20: logic 128, phys. 385, len 8 [ 29.789327][ T434] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 29.819443][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 29.839021][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 29.839203][ T434] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.31: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 29.853348][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 29.884854][ T434] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 29.897607][ T434] EXT4-fs (loop2): This should not happen!! Data will be lost [ 29.897607][ T434] [ 29.908757][ T434] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.31: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 29.927653][ T434] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 30.078454][ T439] loop2: detected capacity change from 0 to 1024 [ 30.118267][ T439] EXT4-fs (loop2): Ignoring removed bh option [ 30.124917][ T439] EXT4-fs (loop2): Ignoring removed oldalloc option [ 30.131591][ T439] EXT4-fs (loop2): Ignoring removed nobh option [ 30.137847][ T439] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 30.160777][ T439] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 30.211317][ T439] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.32: Allocating blocks 497-513 which overlap fs metadata [ 30.225523][ T439] EXT4-fs (loop2): pa ffff88812e170348: logic 128, phys. 385, len 8 [ 30.233661][ T439] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 30.268748][ T45] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:2: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 30.287671][ T45] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 121: len 3: ext4_ext_map_blocks returned -117 [ 30.287704][ T439] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.32: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 30.301462][ T45] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 30.320088][ T439] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 127 with max blocks 1 with error 117 [ 30.345200][ T439] EXT4-fs (loop2): This should not happen!! Data will be lost [ 30.345200][ T439] [ 30.355652][ T439] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.32: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 30.374054][ T439] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.32: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 30.392199][ T439] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 124: len 3: ext4_ext_map_blocks returned -117 [ 30.521222][ T444] loop2: detected capacity change from 0 to 1024 [ 30.630155][ T444] EXT4-fs (loop2): Ignoring removed bh option [ 30.636458][ T444] EXT4-fs (loop2): Ignoring removed oldalloc option [ 30.643202][ T444] EXT4-fs (loop2): Ignoring removed nobh option [ 30.649581][ T444] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 30.670932][ T444] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 30.716341][ T444] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.33: Allocating blocks 497-513 which overlap fs metadata [ 30.730409][ T444] EXT4-fs (loop2): pa ffff88812e170000: logic 128, phys. 385, len 8 [ 30.738389][ T444] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 30.770637][ T444] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.33: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 30.789186][ T444] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 30.803484][ T444] EXT4-fs (loop2): This should not happen!! Data will be lost [ 30.803484][ T444] [ 30.814183][ T444] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.33: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 30.833096][ T444] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 30.957449][ T449] loop2: detected capacity change from 0 to 1024 [ 31.032347][ T449] EXT4-fs (loop2): Ignoring removed bh option [ 31.038471][ T449] EXT4-fs (loop2): Ignoring removed oldalloc option [ 31.045458][ T449] EXT4-fs (loop2): Ignoring removed nobh option [ 31.051775][ T449] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 31.070904][ T449] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 31.116747][ T449] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.34: Allocating blocks 497-513 which overlap fs metadata [ 31.130874][ T449] EXT4-fs (loop2): pa ffff88812e1d4bd0: logic 128, phys. 385, len 8 [ 31.138908][ T449] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 31.170870][ T449] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.34: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 31.189102][ T449] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 31.201692][ T449] EXT4-fs (loop2): This should not happen!! Data will be lost [ 31.201692][ T449] [ 31.212230][ T449] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.34: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 31.231074][ T449] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 31.357260][ T454] loop2: detected capacity change from 0 to 1024 [ 31.432940][ T454] EXT4-fs (loop2): Ignoring removed bh option [ 31.439067][ T454] EXT4-fs (loop2): Ignoring removed oldalloc option [ 31.448115][ T454] EXT4-fs (loop2): Ignoring removed nobh option [ 31.454735][ T454] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 31.470893][ T454] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 31.515594][ T454] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.35: Allocating blocks 497-513 which overlap fs metadata [ 31.530871][ T454] EXT4-fs (loop2): pa ffff88812e1f2bd0: logic 128, phys. 385, len 8 [ 31.538852][ T454] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 31.567505][ T454] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.35: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 31.586582][ T454] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 98 with max blocks 2 with error 117 [ 31.599051][ T454] EXT4-fs (loop2): This should not happen!! Data will be lost [ 31.599051][ T454] [ 31.609739][ T454] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.35: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 31.628532][ T454] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 96: len 2: ext4_ext_map_blocks returned -117 [ 31.758072][ T459] loop2: detected capacity change from 0 to 1024 [ 31.860019][ T459] EXT4-fs (loop2): Ignoring removed bh option [ 31.866242][ T459] EXT4-fs (loop2): Ignoring removed oldalloc option [ 31.873089][ T459] EXT4-fs (loop2): Ignoring removed nobh option [ 31.879535][ T459] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 31.900800][ T459] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 31.949092][ T459] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.36: Allocating blocks 497-513 which overlap fs metadata [ 31.963181][ T459] EXT4-fs (loop2): pa ffff88812e1f2c78: logic 128, phys. 385, len 8 [ 31.971285][ T459] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 31.998685][ T459] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.36: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 32.017873][ T459] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 93 with max blocks 3 with error 117 [ 32.030716][ T459] EXT4-fs (loop2): This should not happen!! Data will be lost [ 32.030716][ T459] [ 32.043201][ T459] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.36: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 32.062265][ T459] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 92: len 1: ext4_ext_map_blocks returned -117 [ 32.171943][ T464] loop2: detected capacity change from 0 to 1024 [ 32.220540][ T464] EXT4-fs (loop2): Ignoring removed bh option [ 32.228638][ T464] EXT4-fs (loop2): Ignoring removed oldalloc option [ 32.235340][ T464] EXT4-fs (loop2): Ignoring removed nobh option [ 32.241722][ T464] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 32.261002][ T464] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 32.310583][ T464] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.37: Allocating blocks 497-513 which overlap fs metadata [ 32.325048][ T464] EXT4-fs (loop2): pa ffff88812e24ee70: logic 128, phys. 385, len 8 [ 32.333083][ T464] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 32.365996][ T464] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.37: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 32.384140][ T464] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 32.396894][ T464] EXT4-fs (loop2): This should not happen!! Data will be lost [ 32.396894][ T464] [ 32.408463][ T464] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.37: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 32.427110][ T464] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 32.557391][ T469] loop2: detected capacity change from 0 to 1024 [ 32.707069][ T469] EXT4-fs (loop2): Ignoring removed bh option [ 32.713565][ T469] EXT4-fs (loop2): Ignoring removed oldalloc option [ 32.720414][ T469] EXT4-fs (loop2): Ignoring removed nobh option [ 32.726684][ T469] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 32.741161][ T469] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 32.787077][ T469] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.38: Allocating blocks 497-513 which overlap fs metadata [ 32.801211][ T469] EXT4-fs (loop2): pa ffff88812e24eb28: logic 128, phys. 385, len 8 [ 32.809195][ T469] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 32.991650][ T475] loop2: detected capacity change from 0 to 1024 [ 33.051677][ T475] EXT4-fs (loop2): Ignoring removed bh option [ 33.057980][ T475] EXT4-fs (loop2): Ignoring removed oldalloc option [ 33.065260][ T475] EXT4-fs (loop2): Ignoring removed nobh option [ 33.071700][ T475] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 33.090974][ T475] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 33.137082][ T475] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.39: Allocating blocks 497-513 which overlap fs metadata [ 33.151297][ T475] EXT4-fs (loop2): pa ffff88812e26bdc8: logic 128, phys. 385, len 8 [ 33.159381][ T475] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 33.192100][ T475] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.39: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.210275][ T10] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:1: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.210410][ T475] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 33.229798][ T10] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 33.242081][ T475] EXT4-fs (loop2): This should not happen!! Data will be lost [ 33.242081][ T475] [ 33.255995][ T10] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 33.271411][ T475] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.39: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.297144][ T475] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 33.476768][ T480] loop2: detected capacity change from 0 to 1024 [ 33.511435][ T480] EXT4-fs (loop2): Ignoring removed bh option [ 33.517654][ T480] EXT4-fs (loop2): Ignoring removed oldalloc option [ 33.524467][ T480] EXT4-fs (loop2): Ignoring removed nobh option [ 33.530815][ T480] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 33.550879][ T480] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 33.604612][ T480] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.40: Allocating blocks 497-513 which overlap fs metadata [ 33.618657][ T480] EXT4-fs (loop2): pa ffff88812e26b9d8: logic 128, phys. 385, len 8 [ 33.626947][ T480] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 33.660949][ T480] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.40: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.679382][ T480] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 33.692441][ T480] EXT4-fs (loop2): This should not happen!! Data will be lost [ 33.692441][ T480] [ 33.703208][ T480] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.40: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 33.721882][ T480] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 33.912887][ T485] EXT4-fs (loop2): Ignoring removed bh option [ 33.919164][ T485] EXT4-fs (loop2): Ignoring removed oldalloc option [ 33.925963][ T485] EXT4-fs (loop2): Ignoring removed nobh option [ 33.932515][ T485] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 33.950971][ T485] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 33.995933][ T485] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.41: Allocating blocks 497-513 which overlap fs metadata [ 34.010026][ T485] EXT4-fs (loop2): pa ffff88812e305498: logic 128, phys. 385, len 8 [ 34.018032][ T485] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 34.050912][ T485] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.41: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.068988][ T485] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 34.081574][ T485] EXT4-fs (loop2): This should not happen!! Data will be lost [ 34.081574][ T485] [ 34.277820][ T490] EXT4-fs (loop2): Ignoring removed bh option [ 34.284026][ T490] EXT4-fs (loop2): Ignoring removed oldalloc option [ 34.290872][ T490] EXT4-fs (loop2): Ignoring removed nobh option [ 34.297181][ T490] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 34.320721][ T490] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 34.368264][ T490] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.42: Allocating blocks 497-513 which overlap fs metadata [ 34.382251][ T490] EXT4-fs (loop2): pa ffff88812e3243f0: logic 128, phys. 385, len 8 [ 34.390375][ T490] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 34.420666][ T490] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.42: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.439113][ T490] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 106 with max blocks 2 with error 117 [ 34.451866][ T490] EXT4-fs (loop2): This should not happen!! Data will be lost [ 34.451866][ T490] [ 34.462781][ T490] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.42: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.481671][ T490] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 2: ext4_ext_map_blocks returned -117 2026/03/03 11:55:51 executed programs: 28 [ 34.749507][ T495] EXT4-fs (loop2): Ignoring removed bh option [ 34.755664][ T495] EXT4-fs (loop2): Ignoring removed oldalloc option [ 34.762434][ T495] EXT4-fs (loop2): Ignoring removed nobh option [ 34.769023][ T495] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 34.790834][ T495] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 34.838843][ T495] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.43: Allocating blocks 497-513 which overlap fs metadata [ 34.853002][ T495] EXT4-fs (loop2): pa ffff88812e3240a8: logic 128, phys. 385, len 8 [ 34.861162][ T495] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 34.890987][ T495] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.43: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.909699][ T495] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 97 with max blocks 3 with error 117 [ 34.922126][ T495] EXT4-fs (loop2): This should not happen!! Data will be lost [ 34.922126][ T495] [ 34.932420][ T495] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.43: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 34.951069][ T495] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 35.080117][ T500] set_capacity_and_notify: 3 callbacks suppressed [ 35.080127][ T500] loop2: detected capacity change from 0 to 1024 [ 35.120379][ T500] EXT4-fs (loop2): Ignoring removed bh option [ 35.126511][ T500] EXT4-fs (loop2): Ignoring removed oldalloc option [ 35.133193][ T500] EXT4-fs (loop2): Ignoring removed nobh option [ 35.140058][ T500] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 35.160817][ T500] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 35.206265][ T500] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.44: Allocating blocks 497-513 which overlap fs metadata [ 35.220453][ T500] EXT4-fs (loop2): pa ffff88812e343498: logic 128, phys. 385, len 8 [ 35.228437][ T500] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 35.261903][ T500] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.44: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.280350][ T500] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 35.293222][ T500] EXT4-fs (loop2): This should not happen!! Data will be lost [ 35.293222][ T500] [ 35.304668][ T500] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.44: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.323301][ T500] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 35.428488][ T505] loop2: detected capacity change from 0 to 1024 [ 35.438606][ T505] EXT4-fs (loop2): Ignoring removed bh option [ 35.444943][ T505] EXT4-fs (loop2): Ignoring removed oldalloc option [ 35.451894][ T505] EXT4-fs (loop2): Ignoring removed nobh option [ 35.458488][ T505] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 35.480687][ T505] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 35.523962][ T505] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.45: Allocating blocks 497-513 which overlap fs metadata [ 35.537980][ T505] EXT4-fs (loop2): pa ffff88812e35fa80: logic 128, phys. 385, len 8 [ 35.546094][ T505] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 35.578039][ T505] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.45: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.596107][ T505] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 35.608893][ T505] EXT4-fs (loop2): This should not happen!! Data will be lost [ 35.608893][ T505] [ 35.619491][ T505] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.45: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.638185][ T505] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 35.708865][ T510] loop2: detected capacity change from 0 to 1024 [ 35.762500][ T510] EXT4-fs (loop2): Ignoring removed bh option [ 35.768875][ T510] EXT4-fs (loop2): Ignoring removed oldalloc option [ 35.775696][ T510] EXT4-fs (loop2): Ignoring removed nobh option [ 35.782008][ T510] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 35.800772][ T510] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 35.850810][ T510] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.46: Allocating blocks 497-513 which overlap fs metadata [ 35.864839][ T510] EXT4-fs (loop2): pa ffff88812e35f498: logic 128, phys. 385, len 8 [ 35.872968][ T510] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 35.903746][ T510] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.46: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.922632][ T510] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 110 with max blocks 2 with error 117 [ 35.936195][ T510] EXT4-fs (loop2): This should not happen!! Data will be lost [ 35.936195][ T510] [ 35.947259][ T510] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.46: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 35.965780][ T510] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 108: len 2: ext4_ext_map_blocks returned -117 [ 36.077461][ T515] loop2: detected capacity change from 0 to 1024 [ 36.120438][ T515] EXT4-fs (loop2): Ignoring removed bh option [ 36.126676][ T515] EXT4-fs (loop2): Ignoring removed oldalloc option [ 36.133600][ T515] EXT4-fs (loop2): Ignoring removed nobh option [ 36.140017][ T515] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 36.171049][ T515] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 36.216571][ T515] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.47: Allocating blocks 497-513 which overlap fs metadata [ 36.230967][ T515] EXT4-fs (loop2): pa ffff88812e37b348: logic 128, phys. 385, len 8 [ 36.238970][ T515] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 36.270392][ T515] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.47: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 36.289181][ T515] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 104 with max blocks 8 with error 117 [ 36.289331][ T318] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 36.301762][ T515] EXT4-fs (loop2): This should not happen!! Data will be lost [ 36.301762][ T515] [ 36.321542][ T318] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 36.344341][ T318] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 36.444989][ T520] loop2: detected capacity change from 0 to 1024 [ 36.543398][ T520] EXT4-fs (loop2): Ignoring removed bh option [ 36.549585][ T520] EXT4-fs (loop2): Ignoring removed oldalloc option [ 36.556255][ T520] EXT4-fs (loop2): Ignoring removed nobh option [ 36.562852][ T520] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 36.581206][ T520] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 36.625943][ T520] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.48: Allocating blocks 497-513 which overlap fs metadata [ 36.640532][ T520] EXT4-fs (loop2): pa ffff88812e37bf18: logic 128, phys. 385, len 8 [ 36.648531][ T520] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 36.680000][ T520] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.48: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 36.698689][ T520] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 36.711282][ T520] EXT4-fs (loop2): This should not happen!! Data will be lost [ 36.711282][ T520] [ 36.721782][ T10] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:1: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 36.740566][ T10] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 36.754313][ T10] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 36.831628][ T525] loop2: detected capacity change from 0 to 1024 [ 36.871558][ T525] EXT4-fs (loop2): Ignoring removed bh option [ 36.877682][ T525] EXT4-fs (loop2): Ignoring removed oldalloc option [ 36.884414][ T525] EXT4-fs (loop2): Ignoring removed nobh option [ 36.890814][ T525] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 36.910876][ T525] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 36.956846][ T525] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.49: Allocating blocks 497-513 which overlap fs metadata [ 36.971024][ T525] EXT4-fs (loop2): pa ffff88812e39da80: logic 128, phys. 385, len 8 [ 36.979022][ T525] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 37.009817][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.028949][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 37.028974][ T525] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.49: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.042982][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 37.062881][ T525] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 109 with max blocks 3 with error 117 [ 37.087178][ T525] EXT4-fs (loop2): This should not happen!! Data will be lost [ 37.087178][ T525] [ 37.097972][ T525] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.49: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.117275][ T525] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 108: len 1: ext4_ext_map_blocks returned -117 [ 37.188534][ T530] loop2: detected capacity change from 0 to 1024 [ 37.257598][ T530] EXT4-fs (loop2): Ignoring removed bh option [ 37.263858][ T530] EXT4-fs (loop2): Ignoring removed oldalloc option [ 37.270492][ T530] EXT4-fs (loop2): Ignoring removed nobh option [ 37.276771][ T530] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 37.290572][ T530] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 37.340025][ T530] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.50: Allocating blocks 497-513 which overlap fs metadata [ 37.354485][ T530] EXT4-fs (loop2): pa ffff88812e39d498: logic 128, phys. 385, len 8 [ 37.362591][ T530] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 37.394635][ T530] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.50: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.413411][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.432118][ T530] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 109 with max blocks 3 with error 117 [ 37.445090][ T530] EXT4-fs (loop2): This should not happen!! Data will be lost [ 37.445090][ T530] [ 37.454780][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 37.468894][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 37.469845][ T530] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.50: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.500092][ T530] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 108: len 1: ext4_ext_map_blocks returned -117 [ 37.640498][ T535] loop2: detected capacity change from 0 to 1024 [ 37.726502][ T535] EXT4-fs (loop2): Ignoring removed bh option [ 37.732781][ T535] EXT4-fs (loop2): Ignoring removed oldalloc option [ 37.739646][ T535] EXT4-fs (loop2): Ignoring removed nobh option [ 37.746135][ T535] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 37.770802][ T535] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 37.824009][ T535] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.51: Allocating blocks 497-513 which overlap fs metadata [ 37.838182][ T535] EXT4-fs (loop2): pa ffff88812e3bea80: logic 128, phys. 385, len 8 [ 37.846426][ T535] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 37.875114][ T535] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.51: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.893856][ T535] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 101 with max blocks 3 with error 117 [ 37.906861][ T535] EXT4-fs (loop2): This should not happen!! Data will be lost [ 37.906861][ T535] [ 37.917168][ T535] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.51: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 37.935683][ T535] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 100: len 1: ext4_ext_map_blocks returned -117 [ 38.071070][ T540] loop2: detected capacity change from 0 to 1024 [ 38.177994][ T540] EXT4-fs (loop2): Ignoring removed bh option [ 38.184483][ T540] EXT4-fs (loop2): Ignoring removed oldalloc option [ 38.191138][ T540] EXT4-fs (loop2): Ignoring removed nobh option [ 38.197513][ T540] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 38.220953][ T540] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 38.267604][ T540] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.52: Allocating blocks 497-513 which overlap fs metadata [ 38.281857][ T540] EXT4-fs (loop2): pa ffff88812e3be2a0: logic 128, phys. 385, len 8 [ 38.290130][ T540] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 38.320079][ T540] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.52: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 38.338636][ T540] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 38.351186][ T540] EXT4-fs (loop2): This should not happen!! Data will be lost [ 38.351186][ T540] [ 38.361558][ T540] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.52: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 38.380007][ T540] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 38.448784][ T545] loop2: detected capacity change from 0 to 1024 [ 38.590031][ T545] EXT4-fs (loop2): Ignoring removed bh option [ 38.596166][ T545] EXT4-fs (loop2): Ignoring removed oldalloc option [ 38.602855][ T545] EXT4-fs (loop2): Ignoring removed nobh option [ 38.609126][ T545] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 38.630912][ T545] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 38.676647][ T545] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.53: Allocating blocks 497-513 which overlap fs metadata [ 38.691046][ T545] EXT4-fs (loop2): pa ffff88812081d540: logic 128, phys. 385, len 8 [ 38.699127][ T545] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 38.732428][ T545] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.53: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 38.751127][ T545] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 115 with max blocks 1 with error 117 [ 38.763877][ T545] EXT4-fs (loop2): This should not happen!! Data will be lost [ 38.763877][ T545] [ 38.775477][ T545] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.53: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 38.794817][ T545] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 112: len 3: ext4_ext_map_blocks returned -117 [ 38.952369][ T550] EXT4-fs (loop2): Ignoring removed bh option [ 38.958554][ T550] EXT4-fs (loop2): Ignoring removed oldalloc option [ 38.965358][ T550] EXT4-fs (loop2): Ignoring removed nobh option [ 38.972049][ T550] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 38.990801][ T550] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 39.038192][ T550] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.54: Allocating blocks 497-513 which overlap fs metadata [ 39.052648][ T550] EXT4-fs (loop2): pa ffff88812081d348: logic 128, phys. 385, len 8 [ 39.060695][ T550] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 39.092591][ T550] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.54: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.111721][ T550] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 39.124790][ T550] EXT4-fs (loop2): This should not happen!! Data will be lost [ 39.124790][ T550] [ 39.137643][ T550] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.54: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.156441][ T550] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 39.351582][ T555] EXT4-fs (loop2): Ignoring removed bh option [ 39.357773][ T555] EXT4-fs (loop2): Ignoring removed oldalloc option [ 39.364560][ T555] EXT4-fs (loop2): Ignoring removed nobh option [ 39.371332][ T555] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 39.390915][ T555] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 39.445258][ T555] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.55: Allocating blocks 497-513 which overlap fs metadata [ 39.459328][ T555] EXT4-fs (loop2): pa ffff8881209061f8: logic 128, phys. 385, len 8 [ 39.467347][ T555] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 39.495988][ T555] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.55: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.514965][ T555] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 101 with max blocks 3 with error 117 [ 39.527808][ T555] EXT4-fs (loop2): This should not happen!! Data will be lost [ 39.527808][ T555] [ 39.538028][ T555] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.55: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.556948][ T555] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 100: len 1: ext4_ext_map_blocks returned -117 2026/03/03 11:55:56 executed programs: 41 [ 39.668598][ T561] EXT4-fs (loop2): Ignoring removed bh option [ 39.675009][ T561] EXT4-fs (loop2): Ignoring removed oldalloc option [ 39.681703][ T561] EXT4-fs (loop2): Ignoring removed nobh option [ 39.688074][ T561] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 39.710856][ T561] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 39.758695][ T561] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.56: Allocating blocks 497-513 which overlap fs metadata [ 39.772843][ T561] EXT4-fs (loop2): pa ffff8881123ac2a0: logic 128, phys. 385, len 8 [ 39.780853][ T561] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 39.812960][ T561] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.56: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.831069][ T561] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 39.844254][ T561] EXT4-fs (loop2): This should not happen!! Data will be lost [ 39.844254][ T561] [ 39.854893][ T561] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.56: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 39.873534][ T561] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 39.993234][ T566] EXT4-fs (loop2): Ignoring removed bh option [ 39.999375][ T566] EXT4-fs (loop2): Ignoring removed oldalloc option [ 40.006064][ T566] EXT4-fs (loop2): Ignoring removed nobh option [ 40.012362][ T566] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 40.030769][ T566] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 40.078459][ T566] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.57: Allocating blocks 497-513 which overlap fs metadata [ 40.092967][ T566] EXT4-fs (loop2): pa ffff888112367150: logic 128, phys. 385, len 8 [ 40.101014][ T566] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 40.129579][ T566] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.57: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.148113][ T566] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 104 with max blocks 8 with error 117 [ 40.148126][ T318] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.161707][ T566] EXT4-fs (loop2): This should not happen!! Data will be lost [ 40.161707][ T566] [ 40.179730][ T318] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 40.202796][ T318] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 40.298108][ T571] set_capacity_and_notify: 4 callbacks suppressed [ 40.298120][ T571] loop2: detected capacity change from 0 to 1024 [ 40.355020][ T571] EXT4-fs (loop2): Ignoring removed bh option [ 40.361209][ T571] EXT4-fs (loop2): Ignoring removed oldalloc option [ 40.367833][ T571] EXT4-fs (loop2): Ignoring removed nobh option [ 40.374123][ T571] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 40.390842][ T571] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 40.438779][ T571] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.58: Allocating blocks 497-513 which overlap fs metadata [ 40.452740][ T571] EXT4-fs (loop2): pa ffff8881121fe3f0: logic 128, phys. 385, len 8 [ 40.461073][ T571] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 40.491373][ T571] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.58: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.510172][ T571] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 40.522676][ T571] EXT4-fs (loop2): This should not happen!! Data will be lost [ 40.522676][ T571] [ 40.533111][ T571] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.58: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.551516][ T571] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 40.617608][ T576] loop2: detected capacity change from 0 to 1024 [ 40.667579][ T576] EXT4-fs (loop2): Ignoring removed bh option [ 40.673800][ T576] EXT4-fs (loop2): Ignoring removed oldalloc option [ 40.680444][ T576] EXT4-fs (loop2): Ignoring removed nobh option [ 40.686858][ T576] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 40.700865][ T576] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 40.746349][ T576] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.59: Allocating blocks 497-513 which overlap fs metadata [ 40.760502][ T576] EXT4-fs (loop2): pa ffff88812097a3f0: logic 128, phys. 385, len 8 [ 40.768866][ T576] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 40.799045][ T576] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.59: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.817731][ T576] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 101 with max blocks 3 with error 117 [ 40.817744][ T365] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:4: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.830781][ T576] EXT4-fs (loop2): This should not happen!! Data will be lost [ 40.830781][ T576] [ 40.859686][ T365] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 40.873434][ T365] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 40.874207][ T576] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.59: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 40.905041][ T576] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 100: len 1: ext4_ext_map_blocks returned -117 [ 41.027706][ T581] loop2: detected capacity change from 0 to 1024 [ 41.166919][ T581] EXT4-fs (loop2): Ignoring removed bh option [ 41.173098][ T581] EXT4-fs (loop2): Ignoring removed oldalloc option [ 41.179926][ T581] EXT4-fs (loop2): Ignoring removed nobh option [ 41.186191][ T581] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 41.200732][ T581] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 41.245545][ T581] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.60: Allocating blocks 497-513 which overlap fs metadata [ 41.259570][ T581] EXT4-fs (loop2): pa ffff888112350dc8: logic 128, phys. 385, len 8 [ 41.268323][ T581] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 41.427748][ T586] loop2: detected capacity change from 0 to 1024 [ 41.470377][ T586] EXT4-fs (loop2): Ignoring removed bh option [ 41.476515][ T586] EXT4-fs (loop2): Ignoring removed oldalloc option [ 41.483203][ T586] EXT4-fs (loop2): Ignoring removed nobh option [ 41.489498][ T586] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 41.510498][ T586] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 41.566699][ T586] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.61: Allocating blocks 497-513 which overlap fs metadata [ 41.580847][ T586] EXT4-fs (loop2): pa ffff888112350540: logic 128, phys. 385, len 8 [ 41.589208][ T586] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 41.620338][ T586] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.61: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 41.638957][ T10] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:1: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 41.639502][ T586] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 112 with max blocks 1 with error 117 [ 41.658469][ T10] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 41.670029][ T586] EXT4-fs (loop2): This should not happen!! Data will be lost [ 41.670029][ T586] [ 41.683777][ T10] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 41.797622][ T591] loop2: detected capacity change from 0 to 1024 [ 41.930085][ T591] EXT4-fs (loop2): Ignoring removed bh option [ 41.936323][ T591] EXT4-fs (loop2): Ignoring removed oldalloc option [ 41.942989][ T591] EXT4-fs (loop2): Ignoring removed nobh option [ 41.949671][ T591] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 41.971000][ T591] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 42.018348][ T591] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.62: Allocating blocks 497-513 which overlap fs metadata [ 42.032400][ T591] EXT4-fs (loop2): pa ffff88811222e930: logic 128, phys. 385, len 8 [ 42.040511][ T591] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 42.069370][ T10] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:1: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.088226][ T10] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 102: len 2: ext4_ext_map_blocks returned -117 [ 42.088260][ T591] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.62: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.102529][ T10] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 42.120738][ T591] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 42.145761][ T591] EXT4-fs (loop2): This should not happen!! Data will be lost [ 42.145761][ T591] [ 42.156245][ T591] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.62: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.174618][ T591] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 42.267939][ T596] loop2: detected capacity change from 0 to 1024 [ 42.311499][ T596] EXT4-fs (loop2): Ignoring removed bh option [ 42.317638][ T596] EXT4-fs (loop2): Ignoring removed oldalloc option [ 42.324337][ T596] EXT4-fs (loop2): Ignoring removed nobh option [ 42.330649][ T596] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 42.350556][ T596] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 42.394552][ T596] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.63: Allocating blocks 497-513 which overlap fs metadata [ 42.408567][ T596] EXT4-fs (loop2): pa ffff88811222e738: logic 128, phys. 385, len 8 [ 42.416833][ T596] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 42.448893][ T596] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.63: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.467537][ T596] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 42.480279][ T596] EXT4-fs (loop2): This should not happen!! Data will be lost [ 42.480279][ T596] [ 42.491951][ T596] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.63: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.510545][ T596] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 42.638376][ T601] loop2: detected capacity change from 0 to 1024 [ 42.712409][ T601] EXT4-fs (loop2): Ignoring removed bh option [ 42.718901][ T601] EXT4-fs (loop2): Ignoring removed oldalloc option [ 42.725737][ T601] EXT4-fs (loop2): Ignoring removed nobh option [ 42.732121][ T601] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 42.750763][ T601] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 42.808292][ T601] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.64: Allocating blocks 497-513 which overlap fs metadata [ 42.822726][ T601] EXT4-fs (loop2): pa ffff88812e3d5f18: logic 128, phys. 385, len 8 [ 42.830970][ T601] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 42.859102][ T601] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.64: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.877608][ T601] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 99 with max blocks 1 with error 117 [ 42.890231][ T601] EXT4-fs (loop2): This should not happen!! Data will be lost [ 42.890231][ T601] [ 42.901407][ T601] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.64: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 42.920200][ T601] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 96: len 3: ext4_ext_map_blocks returned -117 [ 43.007758][ T606] loop2: detected capacity change from 0 to 1024 [ 43.052968][ T606] EXT4-fs (loop2): Ignoring removed bh option [ 43.059229][ T606] EXT4-fs (loop2): Ignoring removed oldalloc option [ 43.066097][ T606] EXT4-fs (loop2): Ignoring removed nobh option [ 43.072681][ T606] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 43.090677][ T606] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 43.139220][ T606] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.65: Allocating blocks 497-513 which overlap fs metadata [ 43.153587][ T606] EXT4-fs (loop2): pa ffff88812e413348: logic 128, phys. 385, len 8 [ 43.161621][ T606] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 43.189515][ T606] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.65: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 43.208407][ T606] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 100 with max blocks 12 with error 117 [ 43.208445][ T10] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:1: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 43.221177][ T606] EXT4-fs (loop2): This should not happen!! Data will be lost [ 43.221177][ T606] [ 43.240690][ T10] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4876: inode #15: block 96: len 1: ext4_ext_map_blocks returned -117 [ 43.264018][ T10] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 43.390383][ T611] loop2: detected capacity change from 0 to 1024 [ 43.439793][ T611] EXT4-fs (loop2): Ignoring removed bh option [ 43.446015][ T611] EXT4-fs (loop2): Ignoring removed oldalloc option [ 43.452858][ T611] EXT4-fs (loop2): Ignoring removed nobh option [ 43.459213][ T611] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 43.481203][ T611] EXT4-fs (loop2): mounted filesystem without journal. Opts: delalloc,data_err=abort,barrier=0x0000000000000003,bsddf,bh,oldalloc,data_err=ignore,nouid32,nobh,user_xattr,nouid32,dioread_nolock,,errors=continue. Quota mode: none. [ 43.529356][ T611] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3887: comm syz.2.66: Allocating blocks 497-513 which overlap fs metadata [ 43.543368][ T611] EXT4-fs (loop2): pa ffff88812e4363f0: logic 128, phys. 385, len 8 [ 43.551387][ T611] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4904: group 0, free 0, pa_free 1 [ 43.581611][ T611] ------------[ cut here ]------------ [ 43.587265][ T611] kernel BUG at fs/ext4/mballoc.c:4258! [ 43.593055][ T611] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 43.599483][ T611] CPU: 0 PID: 611 Comm: syz.2.66 Not tainted syzkaller #0 [ 43.606577][ T611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 43.617099][ T611] RIP: 0010:ext4_mb_normalize_request+0x1944/0x1990 [ 43.623699][ T611] Code: 00 e9 8e fa ff ff e8 4b eb 8b ff 0f 0b e8 44 eb 8b ff 0f 0b e8 3d eb 8b ff e9 b7 fb ff ff e8 33 eb 8b ff 0f 0b e8 2c eb 8b ff <0f> 0b e8 25 eb 8b ff 0f 0b e8 1e eb 8b ff 48 8b 45 80 42 80 3c 28 [ 43.643791][ T611] RSP: 0018:ffffc900032aec68 EFLAGS: 00010293 [ 43.649877][ T611] RAX: ffffffff81dde1d4 RBX: 0000000000000060 RCX: ffff88811d0e62c0 [ 43.657984][ T611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 43.666109][ T611] RBP: ffffc900032aed50 R08: ffff88812e43b50f R09: 1ffff11025c876a1 [ 43.674177][ T611] R10: dffffc0000000000 R11: ffffed1025c876a2 R12: 000000000000001f [ 43.682238][ T611] R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000001f [ 43.690594][ T611] FS: 00007f8ebb7506c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 43.699837][ T611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.706426][ T611] CR2: 0000200000034000 CR3: 000000012afbf000 CR4: 00000000003506b0 [ 43.714704][ T611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.722761][ T611] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.730728][ T611] Call Trace: [ 43.734006][ T611] [ 43.736942][ T611] ext4_mb_new_blocks+0xbfd/0x42c0 [ 43.742044][ T611] ? __getblk_gfp+0x42/0x7d0 [ 43.746635][ T611] ? memcpy+0x56/0x70 [ 43.750795][ T611] ? ext4_mb_pa_callback+0xd0/0xd0 [ 43.755989][ T611] ? ext4_ext_check_overlap+0x433/0x5c0 [ 43.761669][ T611] ? ext4_ext_find_goal+0x108/0x200 [ 43.766880][ T611] ext4_ext_map_blocks+0x1722/0x61e0 [ 43.772297][ T611] ? rwsem_down_read_slowpath+0x12a0/0x12a0 [ 43.778307][ T611] ? try_to_wake_up+0x633/0x1160 [ 43.783270][ T611] ? ext4_ext_release+0x10/0x10 [ 43.788116][ T611] ? xas_load+0x2ea/0x300 [ 43.792437][ T611] ? ext4_es_lookup_extent+0x54c/0x900 [ 43.798128][ T611] ext4_map_blocks+0x988/0x1b30 [ 43.803004][ T611] ? ext4_issue_zeroout+0x250/0x250 [ 43.808202][ T611] ? __kasan_check_read+0x11/0x20 [ 43.813238][ T611] ? ext4_inode_journal_mode+0x19a/0x480 [ 43.818885][ T611] ext4_writepages+0x123f/0x3090 [ 43.823829][ T611] ? ext4_readpage+0x220/0x220 [ 43.828683][ T611] ? do_user_addr_fault+0xa35/0x1250 [ 43.833960][ T611] ? do_kern_addr_fault+0x80/0x80 [ 43.839091][ T611] ? ext4_readpage+0x220/0x220 [ 43.843880][ T611] do_writepages+0x473/0x6c0 [ 43.848478][ T611] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 43.853846][ T611] ? __ext4_mark_inode_dirty+0x443/0x610 [ 43.859680][ T611] ? __writepage+0x130/0x130 [ 43.864266][ T611] ? __kasan_check_write+0x14/0x20 [ 43.869462][ T611] ? _raw_spin_lock+0x94/0xf0 [ 43.874241][ T611] ? _raw_spin_unlock+0x4d/0x70 [ 43.879167][ T611] filemap_fdatawrite_wbc+0x1f4/0x250 [ 43.884526][ T611] file_write_and_wait_range+0x14d/0x220 [ 43.890263][ T611] ? __filemap_set_wb_err+0x110/0x110 [ 43.895634][ T611] ext4_sync_file+0x1a9/0xa10 [ 43.900308][ T611] vfs_fsync_range+0x190/0x1a0 [ 43.905061][ T611] ext4_buffered_write_iter+0x5d0/0x670 [ 43.910774][ T611] ext4_file_write_iter+0x440/0x1540 [ 43.916068][ T611] ? avc_policy_seqno+0x1b/0x70 [ 43.920920][ T611] ? ext4_file_read_iter+0x510/0x510 [ 43.926289][ T611] ? memset+0x35/0x40 [ 43.930265][ T611] ? iov_iter_init+0xbc/0x180 [ 43.934928][ T611] vfs_write+0x835/0xfd0 [ 43.939158][ T611] ? file_end_write+0x1b0/0x1b0 [ 43.944007][ T611] ? __fget_files+0x2c4/0x320 [ 43.948671][ T611] ? __fdget+0x1a1/0x230 [ 43.953023][ T611] ? __x64_sys_pwrite64+0xf2/0x220 [ 43.958153][ T611] __x64_sys_pwrite64+0x197/0x220 [ 43.963272][ T611] ? ksys_pwrite64+0x1b0/0x1b0 [ 43.968068][ T611] ? __kasan_check_write+0x14/0x20 [ 43.973221][ T611] ? switch_fpu_return+0x15d/0x2c0 [ 43.978484][ T611] x64_sys_call+0xa6/0x9a0 [ 43.982909][ T611] do_syscall_64+0x4c/0xa0 [ 43.987439][ T611] ? clear_bhb_loop+0x50/0xa0 [ 43.992376][ T611] ? clear_bhb_loop+0x50/0xa0 [ 43.997185][ T611] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 44.003164][ T611] RIP: 0033:0x7f8ebb8ed799 [ 44.007575][ T611] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 44.027358][ T611] RSP: 002b:00007f8ebb750028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 44.035862][ T611] RAX: ffffffffffffffda RBX: 00007f8ebbb66fa0 RCX: 00007f8ebb8ed799 [ 44.043826][ T611] RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000007 [ 44.051872][ T611] RBP: 00007f8ebb983bd9 R08: 0000000000000000 R09: 0000000000000000 [ 44.059928][ T611] R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000 [ 44.067884][ T611] R13: 00007f8ebbb67038 R14: 00007f8ebbb66fa0 R15: 00007ffd7c811868 [ 44.075942][ T611] [ 44.079041][ T611] Modules linked in: [ 44.083090][ T611] ---[ end trace e49784af35ca9436 ]--- [ 44.088671][ T611] RIP: 0010:ext4_mb_normalize_request+0x1944/0x1990 [ 44.095313][ T611] Code: 00 e9 8e fa ff ff e8 4b eb 8b ff 0f 0b e8 44 eb 8b ff 0f 0b e8 3d eb 8b ff e9 b7 fb ff ff e8 33 eb 8b ff 0f 0b e8 2c eb 8b ff <0f> 0b e8 25 eb 8b ff 0f 0b e8 1e eb 8b ff 48 8b 45 80 42 80 3c 28 [ 44.115344][ T611] RSP: 0018:ffffc900032aec68 EFLAGS: 00010293 [ 44.121620][ T611] RAX: ffffffff81dde1d4 RBX: 0000000000000060 RCX: ffff88811d0e62c0 [ 44.129658][ T611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 44.137655][ T611] RBP: ffffc900032aed50 R08: ffff88812e43b50f R09: 1ffff11025c876a1 [ 44.145653][ T611] R10: dffffc0000000000 R11: ffffed1025c876a2 R12: 000000000000001f [ 44.153790][ T611] R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000001f [ 44.162423][ T611] FS: 00007f8ebb7506c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 44.171374][ T611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.178385][ T611] CR2: 0000200000034000 CR3: 000000012afbf000 CR4: 00000000003506b0 [ 44.186373][ T611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.194376][ T611] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.202632][ T611] Kernel panic - not syncing: Fatal exception [ 44.209166][ T611] Kernel Offset: disabled [ 44.213487][ T611] Rebooting in 86400 seconds..