Warning: Permanently added '10.128.0.116' (ED25519) to the list of known hosts. 2026/03/18 12:16:23 parsed 1 programs [ 52.875184][ T30] audit: type=1400 audit(1773836184.240:105): avc: denied { unlink } for pid=386 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" Setting up swapspace version 1, size = 127995904 bytes [ 52.965977][ T386] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 53.782107][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.789443][ T418] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.797802][ T418] device bridge_slave_0 entered promiscuous mode [ 53.805246][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.812579][ T418] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.820929][ T418] device bridge_slave_1 entered promiscuous mode [ 53.864678][ T418] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.872396][ T418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.880095][ T418] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.888172][ T418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.909314][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.917946][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.925911][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.936599][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.945082][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.952664][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.962185][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.970866][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.977995][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.995802][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.004148][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.019765][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.031902][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.040568][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.048871][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.057894][ T418] device veth0_vlan entered promiscuous mode [ 54.068750][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.078432][ T418] device veth1_macvtap entered promiscuous mode [ 54.088328][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.098972][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.311804][ T30] audit: type=1401 audit(1773836185.670:106): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" 2026/03/18 12:16:25 executed programs: 0 [ 54.634299][ T449] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.642759][ T449] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.650336][ T449] device bridge_slave_0 entered promiscuous mode [ 54.662464][ T449] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.669761][ T449] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.677961][ T449] device bridge_slave_1 entered promiscuous mode [ 54.721369][ T449] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.728548][ T449] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.735962][ T449] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.743527][ T449] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.752729][ T43] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.760362][ T43] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.790915][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.799001][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.816215][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.825002][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.833475][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.840594][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.849627][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.858388][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.866946][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.874110][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.881674][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.890186][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.899739][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.907907][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.921923][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.931571][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.945267][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.953537][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.962345][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.970248][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.979153][ T449] device veth0_vlan entered promiscuous mode [ 54.990251][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.998853][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.008482][ T449] device veth1_macvtap entered promiscuous mode [ 55.018191][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 55.026105][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.035089][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.045765][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.054978][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.087170][ T455] loop2: detected capacity change from 0 to 1024 [ 55.096276][ T455] EXT4-fs (loop2): Ignoring removed bh option [ 55.102875][ T455] EXT4-fs (loop2): Ignoring removed oldalloc option [ 55.110143][ T455] EXT4-fs (loop2): Ignoring removed nobh option [ 55.116855][ T455] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.136277][ T455] 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. [ 55.159310][ T30] audit: type=1400 audit(1773836186.520:107): avc: denied { mount } for pid=454 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 55.183258][ T30] audit: type=1400 audit(1773836186.550:108): avc: denied { write } for pid=454 comm="syz.2.17" name="/" dev="loop2" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 55.206809][ T30] audit: type=1400 audit(1773836186.550:109): avc: denied { add_name } for pid=454 comm="syz.2.17" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 55.227836][ T30] audit: type=1400 audit(1773836186.550:110): avc: denied { create } for pid=454 comm="syz.2.17" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 55.250291][ T30] audit: type=1400 audit(1773836186.550:111): avc: denied { read open } for pid=454 comm="syz.2.17" path="/0/file1/bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 55.251816][ T455] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.17: Allocating blocks 497-513 which overlap fs metadata [ 55.274724][ T30] audit: type=1400 audit(1773836186.550:112): avc: denied { write } for pid=454 comm="syz.2.17" name="bus" dev="loop2" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 55.310695][ T30] audit: type=1400 audit(1773836186.550:113): avc: denied { read write } for pid=454 comm="syz.2.17" name="file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 55.313104][ T455] EXT4-fs (loop2): pa ffff8881233510a8: logic 128, phys. 385, len 8 [ 55.336141][ T30] audit: type=1400 audit(1773836186.550:114): avc: denied { open } for pid=454 comm="syz.2.17" path="/0/file1/file1" dev="loop2" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 55.342015][ T455] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 55.376066][ T455] EXT4-fs error (device loop2): ext4_ext_remove_space:2976: inode #15: comm syz.2.17: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.396645][ T455] 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) [ 55.417261][ T455] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 48 with max blocks 1 with error 117 [ 55.432319][ T455] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.432319][ T455] [ 55.536737][ T461] loop2: detected capacity change from 0 to 1024 [ 55.578546][ T461] EXT4-fs (loop2): Ignoring removed bh option [ 55.585550][ T461] EXT4-fs (loop2): Ignoring removed oldalloc option [ 55.592513][ T461] EXT4-fs (loop2): Ignoring removed nobh option [ 55.600015][ T461] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.616516][ T461] 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. [ 55.671275][ T461] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.18: Allocating blocks 497-513 which overlap fs metadata [ 55.685683][ T461] EXT4-fs (loop2): pa ffff888123351f18: logic 128, phys. 385, len 8 [ 55.694139][ T461] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 55.734889][ T43] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:2: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 55.754959][ T43] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 111: len 1: ext4_ext_map_blocks returned -117 [ 55.755000][ T461] 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) [ 55.769312][ T43] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 55.801604][ T461] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 55.814821][ T461] EXT4-fs (loop2): This should not happen!! Data will be lost [ 55.814821][ T461] [ 55.826125][ T461] 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) [ 55.846167][ T461] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 55.924284][ T466] loop2: detected capacity change from 0 to 1024 [ 55.957720][ T466] EXT4-fs (loop2): Ignoring removed bh option [ 55.964576][ T466] EXT4-fs (loop2): Ignoring removed oldalloc option [ 55.973448][ T466] EXT4-fs (loop2): Ignoring removed nobh option [ 55.979988][ T466] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 55.980483][ T306] device bridge_slave_1 left promiscuous mode [ 55.999274][ T306] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.004151][ T466] 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. [ 56.030789][ T306] device bridge_slave_0 left promiscuous mode [ 56.037122][ T306] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.046612][ T306] device veth1_macvtap left promiscuous mode [ 56.052924][ T306] device veth0_vlan left promiscuous mode [ 56.075126][ T466] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.19: Allocating blocks 497-513 which overlap fs metadata [ 56.089736][ T466] EXT4-fs (loop2): pa ffff88812e4277e0: logic 128, phys. 385, len 8 [ 56.098479][ T466] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 56.141855][ T466] 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) [ 56.161845][ T466] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 115 with max blocks 1 with error 117 [ 56.176170][ T466] EXT4-fs (loop2): This should not happen!! Data will be lost [ 56.176170][ T466] [ 56.187050][ T466] 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) [ 56.206662][ T466] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 3: ext4_ext_map_blocks returned -117 [ 56.323648][ T471] loop2: detected capacity change from 0 to 1024 [ 56.391892][ T471] EXT4-fs (loop2): Ignoring removed bh option [ 56.398901][ T471] EXT4-fs (loop2): Ignoring removed oldalloc option [ 56.405909][ T471] EXT4-fs (loop2): Ignoring removed nobh option [ 56.412639][ T471] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.436328][ T471] 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. [ 56.485770][ T471] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.20: Allocating blocks 497-513 which overlap fs metadata [ 56.501232][ T471] EXT4-fs (loop2): pa ffff88812e5c1738: logic 128, phys. 385, len 8 [ 56.510129][ T471] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 56.653190][ T476] loop2: detected capacity change from 0 to 1024 [ 56.685978][ T476] EXT4-fs (loop2): Ignoring removed bh option [ 56.692481][ T476] EXT4-fs (loop2): Ignoring removed oldalloc option [ 56.699739][ T476] EXT4-fs (loop2): Ignoring removed nobh option [ 56.706150][ T476] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 56.725917][ T476] 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. [ 56.775206][ T476] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.21: Allocating blocks 497-513 which overlap fs metadata [ 56.789721][ T476] EXT4-fs (loop2): pa ffff8881233793f0: logic 128, phys. 385, len 8 [ 56.797999][ T476] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 56.828061][ T306] 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) [ 56.848716][ T306] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 98: len 2: ext4_ext_map_blocks returned -117 [ 56.848775][ T476] 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) [ 56.864576][ T476] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 102 with max blocks 2 with error 117 [ 56.884004][ T306] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 56.896675][ T476] EXT4-fs (loop2): This should not happen!! Data will be lost [ 56.896675][ T476] [ 56.918886][ T476] 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) [ 56.938287][ T476] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 2: ext4_ext_map_blocks returned -117 [ 57.053405][ T481] loop2: detected capacity change from 0 to 1024 [ 57.123805][ T481] EXT4-fs (loop2): Ignoring removed bh option [ 57.130084][ T481] EXT4-fs (loop2): Ignoring removed oldalloc option [ 57.137105][ T481] EXT4-fs (loop2): Ignoring removed nobh option [ 57.143513][ T481] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.166107][ T481] 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. [ 57.213628][ T481] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.22: Allocating blocks 497-513 which overlap fs metadata [ 57.228330][ T481] EXT4-fs (loop2): pa ffff888123379d20: logic 128, phys. 385, len 8 [ 57.237011][ T481] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 57.272555][ T481] 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) [ 57.292043][ T481] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 117 with max blocks 3 with error 117 [ 57.292062][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.306586][ T481] EXT4-fs (loop2): This should not happen!! Data will be lost [ 57.306586][ T481] [ 57.326076][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 57.338548][ T481] 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) [ 57.350932][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 57.383267][ T481] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 1: ext4_ext_map_blocks returned -117 [ 57.523357][ T486] loop2: detected capacity change from 0 to 1024 [ 57.562696][ T486] EXT4-fs (loop2): Ignoring removed bh option [ 57.569243][ T486] EXT4-fs (loop2): Ignoring removed oldalloc option [ 57.576060][ T486] EXT4-fs (loop2): Ignoring removed nobh option [ 57.582645][ T486] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 57.605850][ T486] 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. [ 57.659871][ T486] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.23: Allocating blocks 497-513 which overlap fs metadata [ 57.675320][ T486] EXT4-fs (loop2): pa ffff88812e5da930: logic 128, phys. 385, len 8 [ 57.684635][ T486] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 57.719574][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 57.738954][ T486] 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) [ 57.748292][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 109: len 3: ext4_ext_map_blocks returned -117 [ 57.761627][ T486] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 57.773468][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 57.787636][ T486] EXT4-fs (loop2): This should not happen!! Data will be lost [ 57.787636][ T486] [ 57.811830][ T486] 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) [ 57.832953][ T486] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 57.974855][ T491] loop2: detected capacity change from 0 to 1024 [ 58.017462][ T491] EXT4-fs (loop2): Ignoring removed bh option [ 58.024027][ T491] EXT4-fs (loop2): Ignoring removed oldalloc option [ 58.031498][ T491] EXT4-fs (loop2): Ignoring removed nobh option [ 58.038287][ T491] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.056097][ T491] 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. [ 58.120511][ T491] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.24: Allocating blocks 497-513 which overlap fs metadata [ 58.137567][ T491] EXT4-fs (loop2): pa ffff88812e558930: logic 128, phys. 385, len 8 [ 58.148433][ T491] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 58.193097][ T491] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.24: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.217719][ T491] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 58.233861][ T491] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.233861][ T491] [ 58.246877][ T491] 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) [ 58.268101][ T491] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 58.353430][ T496] loop2: detected capacity change from 0 to 1024 [ 58.403001][ T496] EXT4-fs (loop2): Ignoring removed bh option [ 58.409407][ T496] EXT4-fs (loop2): Ignoring removed oldalloc option [ 58.416617][ T496] EXT4-fs (loop2): Ignoring removed nobh option [ 58.423987][ T496] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.446434][ T496] 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. [ 58.500192][ T496] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.25: Allocating blocks 497-513 which overlap fs metadata [ 58.515402][ T496] EXT4-fs (loop2): pa ffff88812e565b28: logic 128, phys. 385, len 8 [ 58.524037][ T496] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 58.558590][ T496] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.25: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.577928][ T496] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 58.591960][ T496] EXT4-fs (loop2): This should not happen!! Data will be lost [ 58.591960][ T496] [ 58.604862][ T496] 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) [ 58.624591][ T496] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 58.717906][ T501] loop2: detected capacity change from 0 to 1024 [ 58.786492][ T501] EXT4-fs (loop2): Ignoring removed bh option [ 58.792637][ T501] EXT4-fs (loop2): Ignoring removed oldalloc option [ 58.799682][ T501] EXT4-fs (loop2): Ignoring removed nobh option [ 58.806327][ T501] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 58.825940][ T501] 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. [ 58.879177][ T501] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.26: Allocating blocks 497-513 which overlap fs metadata [ 58.893821][ T501] EXT4-fs (loop2): pa ffff88812e61ae70: logic 128, phys. 385, len 8 [ 58.901881][ T501] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 58.934234][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 58.955556][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 98: len 2: ext4_ext_map_blocks returned -117 [ 58.955584][ T501] 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) [ 58.970603][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 58.992152][ T501] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 101 with max blocks 3 with error 117 [ 59.016930][ T501] EXT4-fs (loop2): This should not happen!! Data will be lost [ 59.016930][ T501] [ 59.029449][ T501] 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) [ 59.049342][ T501] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 1: ext4_ext_map_blocks returned -117 [ 59.222608][ T506] EXT4-fs (loop2): Ignoring removed bh option [ 59.229498][ T506] EXT4-fs (loop2): Ignoring removed oldalloc option [ 59.237343][ T506] EXT4-fs (loop2): Ignoring removed nobh option [ 59.243922][ T506] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 59.265929][ T506] 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. [ 59.316850][ T506] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.27: Allocating blocks 497-513 which overlap fs metadata [ 59.331376][ T506] EXT4-fs (loop2): pa ffff888111e66d20: logic 128, phys. 385, len 8 [ 59.339656][ T506] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 59.372642][ T453] 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) [ 59.392493][ T453] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 59.392530][ T506] 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) [ 59.406684][ T453] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 59.427875][ T506] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 109 with max blocks 3 with error 117 [ 59.453564][ T506] EXT4-fs (loop2): This should not happen!! Data will be lost [ 59.453564][ T506] [ 59.465589][ T506] 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) [ 59.484514][ T506] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 1: ext4_ext_map_blocks returned -117 [ 59.703114][ T512] EXT4-fs (loop2): Ignoring removed bh option [ 59.709576][ T512] EXT4-fs (loop2): Ignoring removed oldalloc option [ 59.716650][ T512] EXT4-fs (loop2): Ignoring removed nobh option [ 59.723506][ T512] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 59.746232][ T512] 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. [ 59.797789][ T512] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.28: Allocating blocks 497-513 which overlap fs metadata [ 59.812937][ T512] EXT4-fs (loop2): pa ffff888111e669d8: logic 128, phys. 385, len 8 [ 59.821264][ T512] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 59.854732][ T512] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.28: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 59.873529][ T306] 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) [ 59.882879][ T512] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 59.893909][ T306] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 59.906305][ T512] EXT4-fs (loop2): This should not happen!! Data will be lost [ 59.906305][ T512] [ 59.920498][ T306] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 59.932495][ T512] 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) [ 59.961656][ T512] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 2026/03/18 12:16:31 executed programs: 14 [ 60.159099][ T517] EXT4-fs (loop2): Ignoring removed bh option [ 60.165650][ T517] EXT4-fs (loop2): Ignoring removed oldalloc option [ 60.172809][ T517] EXT4-fs (loop2): Ignoring removed nobh option [ 60.179352][ T517] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 60.195580][ T517] 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. [ 60.245278][ T517] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.29: Allocating blocks 497-513 which overlap fs metadata [ 60.261077][ T517] EXT4-fs (loop2): pa ffff88812e642498: logic 128, phys. 385, len 8 [ 60.269460][ T517] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 60.303192][ T517] 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) [ 60.321825][ T517] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 110 with max blocks 2 with error 117 [ 60.334822][ T517] EXT4-fs (loop2): This should not happen!! Data will be lost [ 60.334822][ T517] [ 60.346301][ T517] 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) [ 60.365536][ T517] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 2: ext4_ext_map_blocks returned -117 [ 60.492873][ T522] set_capacity_and_notify: 3 callbacks suppressed [ 60.492885][ T522] loop2: detected capacity change from 0 to 1024 [ 60.544663][ T522] EXT4-fs (loop2): Ignoring removed bh option [ 60.551013][ T522] EXT4-fs (loop2): Ignoring removed oldalloc option [ 60.557979][ T522] EXT4-fs (loop2): Ignoring removed nobh option [ 60.564624][ T522] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 60.585759][ T522] 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. [ 60.639576][ T522] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.30: Allocating blocks 497-513 which overlap fs metadata [ 60.653987][ T522] EXT4-fs (loop2): pa ffff888111eed9d8: logic 128, phys. 385, len 8 [ 60.662149][ T522] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 60.694942][ T522] 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) [ 60.713493][ T522] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 60.726357][ T522] EXT4-fs (loop2): This should not happen!! Data will be lost [ 60.726357][ T522] [ 60.737182][ T522] 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) [ 60.756515][ T522] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 60.853222][ T527] loop2: detected capacity change from 0 to 1024 [ 60.903769][ T527] EXT4-fs (loop2): Ignoring removed bh option [ 60.910358][ T527] EXT4-fs (loop2): Ignoring removed oldalloc option [ 60.917247][ T527] EXT4-fs (loop2): Ignoring removed nobh option [ 60.923542][ T527] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 60.945624][ T527] 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. [ 60.998590][ T527] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.31: Allocating blocks 497-513 which overlap fs metadata [ 61.013962][ T527] EXT4-fs (loop2): pa ffff8881231067e0: logic 128, phys. 385, len 8 [ 61.022377][ T527] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 61.059002][ T527] 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) [ 61.078324][ T527] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 61.078358][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.091665][ T527] EXT4-fs (loop2): This should not happen!! Data will be lost [ 61.091665][ T527] [ 61.114566][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 61.123321][ T527] 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) [ 61.134987][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 61.167398][ T527] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 61.273130][ T532] loop2: detected capacity change from 0 to 1024 [ 61.312204][ T532] EXT4-fs (loop2): Ignoring removed bh option [ 61.318685][ T532] EXT4-fs (loop2): Ignoring removed oldalloc option [ 61.325949][ T532] EXT4-fs (loop2): Ignoring removed nobh option [ 61.332348][ T532] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 61.356319][ T532] 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. [ 61.404700][ T532] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.32: Allocating blocks 497-513 which overlap fs metadata [ 61.419218][ T532] EXT4-fs (loop2): pa ffff888111d65540: logic 128, phys. 385, len 8 [ 61.427411][ T532] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 61.458143][ T453] 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) [ 61.477889][ T453] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 61.477912][ T532] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.32: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.492838][ T453] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 61.514760][ T532] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 106 with max blocks 2 with error 117 [ 61.538917][ T532] EXT4-fs (loop2): This should not happen!! Data will be lost [ 61.538917][ T532] [ 61.549724][ T532] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.32: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 61.569597][ T532] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 2: ext4_ext_map_blocks returned -117 [ 61.693215][ T538] loop2: detected capacity change from 0 to 1024 [ 61.700629][ T538] EXT4-fs (loop2): Ignoring removed bh option [ 61.707036][ T538] EXT4-fs (loop2): Ignoring removed oldalloc option [ 61.713680][ T538] EXT4-fs (loop2): Ignoring removed nobh option [ 61.720350][ T538] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 61.735784][ T538] 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. [ 61.787736][ T538] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.33: Allocating blocks 497-513 which overlap fs metadata [ 61.801907][ T538] EXT4-fs (loop2): pa ffff888111de3dc8: logic 128, phys. 385, len 8 [ 61.810011][ T538] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 61.844423][ T538] 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) [ 61.864524][ T538] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 118 with max blocks 2 with error 117 [ 61.877664][ T538] EXT4-fs (loop2): This should not happen!! Data will be lost [ 61.877664][ T538] [ 61.888355][ T538] 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) [ 61.907206][ T538] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 2: ext4_ext_map_blocks returned -117 [ 61.983070][ T543] loop2: detected capacity change from 0 to 1024 [ 62.046610][ T543] EXT4-fs (loop2): Ignoring removed bh option [ 62.052879][ T543] EXT4-fs (loop2): Ignoring removed oldalloc option [ 62.060512][ T543] EXT4-fs (loop2): Ignoring removed nobh option [ 62.067603][ T543] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 62.086128][ T543] 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. [ 62.132163][ T543] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.34: Allocating blocks 497-513 which overlap fs metadata [ 62.147037][ T543] EXT4-fs (loop2): pa ffff888111e3d7e0: logic 128, phys. 385, len 8 [ 62.155479][ T543] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 62.188826][ T306] 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) [ 62.207787][ T306] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 111: len 1: ext4_ext_map_blocks returned -117 [ 62.207820][ T543] 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) [ 62.222137][ T306] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 62.241740][ T543] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 115 with max blocks 1 with error 117 [ 62.267320][ T543] EXT4-fs (loop2): This should not happen!! Data will be lost [ 62.267320][ T543] [ 62.278414][ T543] 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) [ 62.297669][ T543] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 3: ext4_ext_map_blocks returned -117 [ 62.383376][ T548] loop2: detected capacity change from 0 to 1024 [ 62.447666][ T548] EXT4-fs (loop2): Ignoring removed bh option [ 62.454030][ T548] EXT4-fs (loop2): Ignoring removed oldalloc option [ 62.461056][ T548] EXT4-fs (loop2): Ignoring removed nobh option [ 62.467540][ T548] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 62.485679][ T548] 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. [ 62.534997][ T548] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.35: Allocating blocks 497-513 which overlap fs metadata [ 62.549409][ T548] EXT4-fs (loop2): pa ffff888111d65738: logic 128, phys. 385, len 8 [ 62.557884][ T548] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 62.592332][ T548] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.35: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.611293][ T548] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 125 with max blocks 3 with error 117 [ 62.611313][ T306] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:3: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.624817][ T548] EXT4-fs (loop2): This should not happen!! Data will be lost [ 62.624817][ T548] [ 62.643305][ T306] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 120: len 4: ext4_ext_map_blocks returned -117 [ 62.655398][ T548] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.35: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 62.666520][ T306] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 62.692401][ T548] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 124: len 1: ext4_ext_map_blocks returned -117 [ 62.831071][ T553] loop2: detected capacity change from 0 to 1024 [ 62.872147][ T553] EXT4-fs (loop2): Ignoring removed bh option [ 62.878586][ T553] EXT4-fs (loop2): Ignoring removed oldalloc option [ 62.885467][ T553] EXT4-fs (loop2): Ignoring removed nobh option [ 62.891859][ T553] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 62.905820][ T553] 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. [ 62.956784][ T553] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.36: Allocating blocks 497-513 which overlap fs metadata [ 62.971124][ T553] EXT4-fs (loop2): pa ffff888111fe3540: logic 128, phys. 385, len 8 [ 62.979207][ T553] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 63.011866][ T553] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.36: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.030027][ T553] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 63.043053][ T553] EXT4-fs (loop2): This should not happen!! Data will be lost [ 63.043053][ T553] [ 63.054129][ T553] 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) [ 63.073348][ T553] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 63.253518][ T558] loop2: detected capacity change from 0 to 1024 [ 63.297992][ T558] EXT4-fs (loop2): Ignoring removed bh option [ 63.304480][ T558] EXT4-fs (loop2): Ignoring removed oldalloc option [ 63.311129][ T558] EXT4-fs (loop2): Ignoring removed nobh option [ 63.317941][ T558] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 63.335838][ T558] 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. [ 63.387355][ T558] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.37: Allocating blocks 497-513 which overlap fs metadata [ 63.402281][ T558] EXT4-fs (loop2): pa ffff88812e6722a0: logic 128, phys. 385, len 8 [ 63.410890][ T558] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 63.443928][ T558] 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) [ 63.463315][ T306] 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) [ 63.463336][ T558] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 63.463740][ T306] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 63.482820][ T558] EXT4-fs (loop2): This should not happen!! Data will be lost [ 63.482820][ T558] [ 63.496397][ T306] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 63.632457][ T563] loop2: detected capacity change from 0 to 1024 [ 63.671775][ T563] EXT4-fs (loop2): Ignoring removed bh option [ 63.678332][ T563] EXT4-fs (loop2): Ignoring removed oldalloc option [ 63.685376][ T563] EXT4-fs (loop2): Ignoring removed nobh option [ 63.692006][ T563] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 63.715960][ T563] 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. [ 63.766933][ T563] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.38: Allocating blocks 497-513 which overlap fs metadata [ 63.781478][ T563] EXT4-fs (loop2): pa ffff88812e672a80: logic 128, phys. 385, len 8 [ 63.789863][ T563] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 63.821136][ T563] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.38: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.839886][ T563] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 63.853139][ T563] EXT4-fs (loop2): This should not happen!! Data will be lost [ 63.853139][ T563] [ 63.863945][ T563] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.38: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 63.885303][ T563] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 63.973103][ T568] loop2: detected capacity change from 0 to 1024 [ 64.123092][ T568] EXT4-fs (loop2): Ignoring removed bh option [ 64.129631][ T568] EXT4-fs (loop2): Ignoring removed oldalloc option [ 64.136542][ T568] EXT4-fs (loop2): Ignoring removed nobh option [ 64.143400][ T568] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 64.165853][ T568] 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. [ 64.217780][ T568] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.39: Allocating blocks 497-513 which overlap fs metadata [ 64.233731][ T568] EXT4-fs (loop2): pa ffff88812e6729d8: logic 128, phys. 385, len 8 [ 64.242145][ T568] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 64.277929][ T568] 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) [ 64.299937][ T568] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 106 with max blocks 2 with error 117 [ 64.314882][ T568] EXT4-fs (loop2): This should not happen!! Data will be lost [ 64.314882][ T568] [ 64.327732][ T568] 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) [ 64.348157][ T568] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 2: ext4_ext_map_blocks returned -117 [ 64.524288][ T573] EXT4-fs (loop2): Ignoring removed bh option [ 64.530798][ T573] EXT4-fs (loop2): Ignoring removed oldalloc option [ 64.537846][ T573] EXT4-fs (loop2): Ignoring removed nobh option [ 64.545007][ T573] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 64.565747][ T573] 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. [ 64.619548][ T573] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.40: Allocating blocks 497-513 which overlap fs metadata [ 64.635088][ T573] EXT4-fs (loop2): pa ffff888111df57e0: logic 128, phys. 385, len 8 [ 64.644206][ T573] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 64.674413][ T573] 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) [ 64.693362][ T573] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 103 with max blocks 1 with error 117 [ 64.706197][ T573] EXT4-fs (loop2): This should not happen!! Data will be lost [ 64.706197][ T573] [ 64.717006][ T573] 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) [ 64.735938][ T573] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 3: ext4_ext_map_blocks returned -117 [ 64.904938][ T578] EXT4-fs (loop2): Ignoring removed bh option [ 64.911153][ T578] EXT4-fs (loop2): Ignoring removed oldalloc option [ 64.918056][ T578] EXT4-fs (loop2): Ignoring removed nobh option [ 64.924531][ T578] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 64.945798][ T578] 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. [ 64.993475][ T578] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.41: Allocating blocks 497-513 which overlap fs metadata [ 65.007919][ T578] EXT4-fs (loop2): pa ffff888111df5a80: logic 128, phys. 385, len 8 [ 65.016212][ T578] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 65.045476][ T578] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.41: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 65.064789][ T578] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 103 with max blocks 1 with error 117 [ 65.078128][ T578] EXT4-fs (loop2): This should not happen!! Data will be lost [ 65.078128][ T578] [ 65.089301][ T578] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.41: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 65.108876][ T578] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 3: ext4_ext_map_blocks returned -117 2026/03/18 12:16:36 executed programs: 27 [ 65.282742][ T583] EXT4-fs (loop2): Ignoring removed bh option [ 65.289366][ T583] EXT4-fs (loop2): Ignoring removed oldalloc option [ 65.296424][ T583] EXT4-fs (loop2): Ignoring removed nobh option [ 65.302995][ T583] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 65.326167][ T583] 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. [ 65.373683][ T583] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.42: Allocating blocks 497-513 which overlap fs metadata [ 65.388134][ T583] EXT4-fs (loop2): pa ffff88812e74f150: logic 128, phys. 385, len 8 [ 65.396418][ T583] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 65.431525][ T583] 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) [ 65.450337][ T583] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 116 with max blocks 12 with error 117 [ 65.450348][ T453] 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) [ 65.464049][ T583] EXT4-fs (loop2): This should not happen!! Data will be lost [ 65.464049][ T583] [ 65.486221][ T453] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 65.506989][ T453] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 65.624180][ T588] set_capacity_and_notify: 3 callbacks suppressed [ 65.624191][ T588] loop2: detected capacity change from 0 to 1024 [ 65.673734][ T588] EXT4-fs (loop2): Ignoring removed bh option [ 65.680536][ T588] EXT4-fs (loop2): Ignoring removed oldalloc option [ 65.687561][ T588] EXT4-fs (loop2): Ignoring removed nobh option [ 65.694163][ T588] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 65.716325][ T588] 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. [ 65.764221][ T588] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.43: Allocating blocks 497-513 which overlap fs metadata [ 65.779031][ T588] EXT4-fs (loop2): pa ffff88812e74fc78: logic 128, phys. 385, len 8 [ 65.787260][ T588] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 65.820175][ T588] 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) [ 65.839170][ T588] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 109 with max blocks 3 with error 117 [ 65.839189][ T306] 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) [ 65.852146][ T588] EXT4-fs (loop2): This should not happen!! Data will be lost [ 65.852146][ T588] [ 65.872224][ T306] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 65.882848][ T588] 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) [ 65.895345][ T306] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 65.926973][ T588] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 1: ext4_ext_map_blocks returned -117 [ 66.053709][ T594] loop2: detected capacity change from 0 to 1024 [ 66.075487][ T594] EXT4-fs (loop2): Ignoring removed bh option [ 66.081793][ T594] EXT4-fs (loop2): Ignoring removed oldalloc option [ 66.088751][ T594] EXT4-fs (loop2): Ignoring removed nobh option [ 66.095564][ T594] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 66.115820][ T594] 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. [ 66.161199][ T594] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.44: Allocating blocks 497-513 which overlap fs metadata [ 66.177952][ T594] EXT4-fs (loop2): pa ffff88812e78cbd0: logic 128, phys. 385, len 8 [ 66.186306][ T594] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 66.217408][ T594] 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) [ 66.236433][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 66.237906][ T594] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 66.269820][ T594] EXT4-fs (loop2): This should not happen!! Data will be lost [ 66.269820][ T594] [ 66.270567][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 66.293870][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 66.405598][ T600] loop2: detected capacity change from 0 to 1024 [ 66.484789][ T600] EXT4-fs (loop2): Ignoring removed bh option [ 66.491196][ T600] EXT4-fs (loop2): Ignoring removed oldalloc option [ 66.498346][ T600] EXT4-fs (loop2): Ignoring removed nobh option [ 66.505119][ T600] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 66.525963][ T600] 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. [ 66.569972][ T600] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.45: Allocating blocks 497-513 which overlap fs metadata [ 66.584734][ T600] EXT4-fs (loop2): pa ffff88812e76dc78: logic 128, phys. 385, len 8 [ 66.593225][ T600] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 66.628421][ T453] 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) [ 66.647700][ T453] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 106: len 2: ext4_ext_map_blocks returned -117 [ 66.647728][ T600] 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) [ 66.662614][ T453] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 66.680842][ T600] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 111 with max blocks 1 with error 117 [ 66.706530][ T600] EXT4-fs (loop2): This should not happen!! Data will be lost [ 66.706530][ T600] [ 66.717240][ T600] 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) [ 66.736026][ T600] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 3: ext4_ext_map_blocks returned -117 [ 66.896808][ T605] loop2: detected capacity change from 0 to 1024 [ 66.945790][ T605] EXT4-fs (loop2): Ignoring removed bh option [ 66.961025][ T605] EXT4-fs (loop2): Ignoring removed oldalloc option [ 66.968259][ T605] EXT4-fs (loop2): Ignoring removed nobh option [ 66.974671][ T605] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 66.995732][ T605] 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. [ 67.040920][ T605] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.46: Allocating blocks 497-513 which overlap fs metadata [ 67.055242][ T605] EXT4-fs (loop2): pa ffff88810d11f000: logic 128, phys. 385, len 8 [ 67.063698][ T605] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 67.105314][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.124925][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 144: len 1: ext4_ext_map_blocks returned -117 [ 67.125974][ T605] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.46: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.139938][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 67.158527][ T605] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 149 with max blocks 3 with error 117 [ 67.184329][ T605] EXT4-fs (loop2): This should not happen!! Data will be lost [ 67.184329][ T605] [ 67.195202][ T605] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.46: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.213995][ T605] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.46: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 67.233082][ T605] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 148: len 1: ext4_ext_map_blocks returned -117 [ 67.327694][ T610] loop2: detected capacity change from 0 to 1024 [ 67.464973][ T610] EXT4-fs (loop2): Ignoring removed bh option [ 67.471492][ T610] EXT4-fs (loop2): Ignoring removed oldalloc option [ 67.478782][ T610] EXT4-fs (loop2): Ignoring removed nobh option [ 67.486432][ T610] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 67.505897][ T610] 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. [ 67.551522][ T610] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.47: Allocating blocks 497-513 which overlap fs metadata [ 67.566843][ T610] EXT4-fs (loop2): pa ffff888111de3c78: logic 128, phys. 385, len 8 [ 67.575602][ T610] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 67.608491][ T610] 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) [ 67.628697][ T610] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 107 with max blocks 1 with error 117 [ 67.643013][ T610] EXT4-fs (loop2): This should not happen!! Data will be lost [ 67.643013][ T610] [ 67.654140][ T610] 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) [ 67.674437][ T610] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 3: ext4_ext_map_blocks returned -117 [ 67.803580][ T615] loop2: detected capacity change from 0 to 1024 [ 67.873690][ T615] EXT4-fs (loop2): Ignoring removed bh option [ 67.880021][ T615] EXT4-fs (loop2): Ignoring removed oldalloc option [ 67.886853][ T615] EXT4-fs (loop2): Ignoring removed nobh option [ 67.893406][ T615] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 67.916077][ T615] 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. [ 67.974258][ T615] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.48: Allocating blocks 497-513 which overlap fs metadata [ 67.989165][ T615] EXT4-fs (loop2): pa ffff8881232d5d20: logic 128, phys. 385, len 8 [ 67.997656][ T615] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 68.030750][ T306] 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) [ 68.051467][ T306] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 100: len 4: ext4_ext_map_blocks returned -117 [ 68.051498][ T615] 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) [ 68.066621][ T306] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 68.085261][ T615] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 105 with max blocks 3 with error 117 [ 68.110674][ T615] EXT4-fs (loop2): This should not happen!! Data will be lost [ 68.110674][ T615] [ 68.121416][ T615] 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) [ 68.140619][ T615] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 1: ext4_ext_map_blocks returned -117 [ 68.296214][ T620] loop2: detected capacity change from 0 to 1024 [ 68.337666][ T620] EXT4-fs (loop2): Ignoring removed bh option [ 68.343947][ T620] EXT4-fs (loop2): Ignoring removed oldalloc option [ 68.350838][ T620] EXT4-fs (loop2): Ignoring removed nobh option [ 68.357406][ T620] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 68.375947][ T620] 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. [ 68.426830][ T620] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.49: Allocating blocks 497-513 which overlap fs metadata [ 68.441584][ T620] EXT4-fs (loop2): pa ffff88812e6d2150: logic 128, phys. 385, len 8 [ 68.449752][ T620] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 68.483206][ T620] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.49: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 68.502433][ T620] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 119 with max blocks 1 with error 117 [ 68.516270][ T620] EXT4-fs (loop2): This should not happen!! Data will be lost [ 68.516270][ T620] [ 68.527915][ T620] 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) [ 68.547530][ T620] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 116: len 3: ext4_ext_map_blocks returned -117 [ 68.696834][ T625] loop2: detected capacity change from 0 to 1024 [ 68.766983][ T625] EXT4-fs (loop2): Ignoring removed bh option [ 68.773307][ T625] EXT4-fs (loop2): Ignoring removed oldalloc option [ 68.780139][ T625] EXT4-fs (loop2): Ignoring removed nobh option [ 68.786723][ T625] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 68.805852][ T625] 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. [ 68.852812][ T625] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.50: Allocating blocks 497-513 which overlap fs metadata [ 68.868470][ T625] EXT4-fs (loop2): pa ffff88812e6d2888: logic 128, phys. 385, len 8 [ 68.877102][ T625] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 68.909125][ T625] 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) [ 68.928050][ T625] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 107 with max blocks 1 with error 117 [ 68.941291][ T625] EXT4-fs (loop2): This should not happen!! Data will be lost [ 68.941291][ T625] [ 68.952122][ T625] 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) [ 68.971375][ T625] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 3: ext4_ext_map_blocks returned -117 [ 69.058042][ T630] loop2: detected capacity change from 0 to 1024 [ 69.195858][ T630] EXT4-fs (loop2): Ignoring removed bh option [ 69.202149][ T630] EXT4-fs (loop2): Ignoring removed oldalloc option [ 69.209274][ T630] EXT4-fs (loop2): Ignoring removed nobh option [ 69.215634][ T630] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 69.235842][ T630] 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. [ 69.286268][ T630] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.51: Allocating blocks 497-513 which overlap fs metadata [ 69.301815][ T630] EXT4-fs (loop2): pa ffff88812e6d2dc8: logic 128, phys. 385, len 8 [ 69.310195][ T630] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 69.346196][ T10] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:1: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.365610][ T10] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 125: len 3: ext4_ext_map_blocks returned -117 [ 69.365636][ T630] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm syz.2.51: pblk 273 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.380561][ T10] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 69.399304][ T630] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 129 with max blocks 3 with error 117 [ 69.424378][ T630] EXT4-fs (loop2): This should not happen!! Data will be lost [ 69.424378][ T630] [ 69.435669][ T630] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.51: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.454538][ T630] EXT4-fs error (device loop2): ext4_find_extent:929: inode #15: comm syz.2.51: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.472588][ T630] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 128: len 1: ext4_ext_map_blocks returned -117 [ 69.613614][ T635] loop2: detected capacity change from 0 to 1024 [ 69.687377][ T635] EXT4-fs (loop2): Ignoring removed bh option [ 69.694459][ T635] EXT4-fs (loop2): Ignoring removed oldalloc option [ 69.701822][ T635] EXT4-fs (loop2): Ignoring removed nobh option [ 69.708557][ T635] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 69.725826][ T635] 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. [ 69.775749][ T635] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.52: Allocating blocks 497-513 which overlap fs metadata [ 69.790669][ T635] EXT4-fs (loop2): pa ffff88812e7f33f0: logic 128, phys. 385, len 8 [ 69.798921][ T635] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 69.833509][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 69.853566][ T635] 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) [ 69.864718][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 108: len 4: ext4_ext_map_blocks returned -117 [ 69.875145][ T635] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 113 with max blocks 3 with error 117 [ 69.887482][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 69.900845][ T635] EXT4-fs (loop2): This should not happen!! Data will be lost [ 69.900845][ T635] [ 69.924279][ T635] 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) [ 69.943291][ T635] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 112: len 1: ext4_ext_map_blocks returned -117 [ 70.067925][ T641] EXT4-fs (loop2): Ignoring removed bh option [ 70.074242][ T641] EXT4-fs (loop2): Ignoring removed oldalloc option [ 70.081454][ T641] EXT4-fs (loop2): Ignoring removed nobh option [ 70.088233][ T641] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 70.105566][ T641] 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. [ 70.154188][ T641] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.53: Allocating blocks 497-513 which overlap fs metadata [ 70.169089][ T641] EXT4-fs (loop2): pa ffff88812e7f3d20: logic 128, phys. 385, len 8 [ 70.177424][ T641] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 70.208926][ T641] 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) [ 70.227833][ T641] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 107 with max blocks 1 with error 117 [ 70.240776][ T641] EXT4-fs (loop2): This should not happen!! Data will be lost [ 70.240776][ T641] [ 70.251619][ T641] 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) [ 70.271278][ T641] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 3: ext4_ext_map_blocks returned -117 2026/03/18 12:16:41 executed programs: 39 [ 70.445278][ T646] EXT4-fs (loop2): Ignoring removed bh option [ 70.451517][ T646] EXT4-fs (loop2): Ignoring removed oldalloc option [ 70.458427][ T646] EXT4-fs (loop2): Ignoring removed nobh option [ 70.464772][ T646] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 70.485873][ T646] 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. [ 70.533882][ T646] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.54: Allocating blocks 497-513 which overlap fs metadata [ 70.548793][ T646] EXT4-fs (loop2): pa ffff888111d83348: logic 128, phys. 385, len 8 [ 70.557033][ T646] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 70.586746][ T646] 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) [ 70.606383][ T8] EXT4-fs error (device loop2): ext4_ext_search_right:1617: inode #15: comm kworker/u4:0: pblk 257 bad header/extent: invalid extent entries - magic f30a, entries 4, max 84(84), depth 0(0) [ 70.625862][ T646] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 98 with max blocks 2 with error 117 [ 70.638753][ T8] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 92: len 4: ext4_ext_map_blocks returned -117 [ 70.644558][ T646] EXT4-fs (loop2): This should not happen!! Data will be lost [ 70.644558][ T646] [ 70.653577][ T8] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 70.678953][ T646] 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) [ 70.697987][ T646] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 96: len 2: ext4_ext_map_blocks returned -117 [ 70.815978][ T651] set_capacity_and_notify: 2 callbacks suppressed [ 70.815991][ T651] loop2: detected capacity change from 0 to 1024 [ 70.832050][ T651] EXT4-fs (loop2): Ignoring removed bh option [ 70.838289][ T651] EXT4-fs (loop2): Ignoring removed oldalloc option [ 70.845511][ T651] EXT4-fs (loop2): Ignoring removed nobh option [ 70.851984][ T651] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 70.875879][ T651] 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. [ 70.921926][ T651] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.55: Allocating blocks 497-513 which overlap fs metadata [ 70.936311][ T651] EXT4-fs (loop2): pa ffff888111d833f0: logic 128, phys. 385, len 8 [ 70.944463][ T651] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 70.978426][ T651] 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) [ 70.998646][ T651] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 108 with max blocks 4 with error 117 [ 71.011984][ T651] EXT4-fs (loop2): This should not happen!! Data will be lost [ 71.011984][ T651] [ 71.022911][ T306] 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) [ 71.042054][ T306] EXT4-fs warning (device loop2): ext4_convert_unwritten_extents:4882: inode #15: block 104: len 4: ext4_ext_map_blocks returned -117 [ 71.056521][ T306] EXT4-fs (loop2): failed to convert unwritten extents to written extents -- potential data loss! (inode 15, error -117) [ 71.163290][ T656] loop2: detected capacity change from 0 to 1024 [ 71.203795][ T656] EXT4-fs (loop2): Ignoring removed bh option [ 71.209989][ T656] EXT4-fs (loop2): Ignoring removed oldalloc option [ 71.217021][ T656] EXT4-fs (loop2): Ignoring removed nobh option [ 71.223575][ T656] EXT4-fs (loop2): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 71.245918][ T656] 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. [ 71.289245][ T656] EXT4-fs error (device loop2): ext4_mb_mark_diskspace_used:3885: comm syz.2.56: Allocating blocks 497-513 which overlap fs metadata [ 71.303789][ T656] EXT4-fs (loop2): pa ffff8881233a70a8: logic 128, phys. 385, len 8 [ 71.311956][ T656] EXT4-fs error (device loop2): ext4_mb_release_inode_pa:4902: group 0, free 0, pa_free 1 [ 71.342216][ T656] ------------[ cut here ]------------ [ 71.347935][ T656] kernel BUG at fs/ext4/mballoc.c:4256! [ 71.353824][ T656] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 71.360036][ T656] CPU: 0 PID: 656 Comm: syz.2.56 Not tainted syzkaller #0 [ 71.367286][ T656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 71.377491][ T656] RIP: 0010:ext4_mb_normalize_request+0x1944/0x1990 [ 71.384268][ T656] Code: 00 e9 8e fa ff ff e8 2b ea 8b ff 0f 0b e8 24 ea 8b ff 0f 0b e8 1d ea 8b ff e9 b7 fb ff ff e8 13 ea 8b ff 0f 0b e8 0c ea 8b ff <0f> 0b e8 05 ea 8b ff 0f 0b e8 fe e9 8b ff 48 8b 45 80 42 80 3c 28 [ 71.404518][ T656] RSP: 0018:ffffc90002506c68 EFLAGS: 00010293 [ 71.410626][ T656] RAX: ffffffff81dddcd4 RBX: 0000000000000060 RCX: ffff888112e43b40 [ 71.418784][ T656] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 71.426858][ T656] RBP: ffffc90002506d50 R08: ffff88812322602f R09: 1ffff11024644c05 [ 71.435076][ T656] R10: dffffc0000000000 R11: ffffed1024644c06 R12: 000000000000001f [ 71.443163][ T656] R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000001f [ 71.451312][ T656] FS: 00007f9fa25a96c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 71.460804][ T656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.467396][ T656] CR2: 0000200000034000 CR3: 0000000124019000 CR4: 00000000003506b0 [ 71.475467][ T656] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.484017][ T656] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.492434][ T656] Call Trace: [ 71.495810][ T656] [ 71.498762][ T656] ext4_mb_new_blocks+0xbfd/0x42c0 [ 71.503997][ T656] ? __getblk_gfp+0x42/0x7d0 [ 71.508700][ T656] ? memcpy+0x56/0x70 [ 71.512805][ T656] ? ext4_mb_pa_callback+0xd0/0xd0 [ 71.518594][ T656] ? ext4_ext_check_overlap+0x433/0x5c0 [ 71.524191][ T656] ? ext4_ext_find_goal+0x108/0x200 [ 71.529660][ T656] ext4_ext_map_blocks+0x1722/0x61e0 [ 71.535046][ T656] ? __stack_depot_save+0x34/0x480 [ 71.540303][ T656] ? __mem_cgroup_uncharge_list+0x39/0xc0 [ 71.546188][ T656] ? __kasan_slab_alloc+0xcf/0xf0 [ 71.551470][ T656] ? __kasan_slab_alloc+0xbd/0xf0 [ 71.556781][ T656] ? slab_post_alloc_hook+0x4f/0x2b0 [ 71.562096][ T656] ? kmem_cache_alloc+0xf7/0x260 [ 71.567056][ T656] ? ext4_alloc_io_end_vec+0x2a/0x160 [ 71.572648][ T656] ? ext4_writepages+0xf20/0x3090 [ 71.577766][ T656] ? do_writepages+0x473/0x6c0 [ 71.582565][ T656] ? vfs_fsync_range+0x190/0x1a0 [ 71.587594][ T656] ? ext4_buffered_write_iter+0x5d0/0x670 [ 71.593323][ T656] ? ext4_file_write_iter+0x440/0x1540 [ 71.598806][ T656] ? ext4_ext_release+0x10/0x10 [ 71.603900][ T656] ? do_syscall_64+0x4c/0xa0 [ 71.608514][ T656] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.614905][ T656] ? ext4_es_lookup_extent+0x54c/0x900 [ 71.620404][ T656] ext4_map_blocks+0x988/0x1b30 [ 71.625451][ T656] ? slab_post_alloc_hook+0x6d/0x2b0 [ 71.630810][ T656] ? should_failslab+0x9/0x20 [ 71.635700][ T656] ? ext4_issue_zeroout+0x250/0x250 [ 71.641059][ T656] ? ext4_inode_journal_mode+0x19a/0x480 [ 71.646911][ T656] ext4_writepages+0x123f/0x3090 [ 71.651963][ T656] ? ext4_readpage+0x220/0x220 [ 71.656783][ T656] ? do_user_addr_fault+0xa35/0x1250 [ 71.662297][ T656] ? do_kern_addr_fault+0x80/0x80 [ 71.667564][ T656] ? ext4_readpage+0x220/0x220 [ 71.672440][ T656] do_writepages+0x473/0x6c0 [ 71.677045][ T656] ? ext4_set_page_dirty+0x1a0/0x1a0 [ 71.682347][ T656] ? __ext4_mark_inode_dirty+0x443/0x610 [ 71.688093][ T656] ? __writepage+0x130/0x130 [ 71.693096][ T656] ? __kasan_check_write+0x14/0x20 [ 71.698842][ T656] ? _raw_spin_lock+0x94/0xf0 [ 71.703961][ T656] ? _raw_spin_unlock+0x4d/0x70 [ 71.708846][ T656] filemap_fdatawrite_wbc+0x1f4/0x250 [ 71.714531][ T656] file_write_and_wait_range+0x14d/0x220 [ 71.720676][ T656] ? __filemap_set_wb_err+0x110/0x110 [ 71.726213][ T656] ext4_sync_file+0x1a9/0xa10 [ 71.731086][ T656] vfs_fsync_range+0x190/0x1a0 [ 71.736048][ T656] ext4_buffered_write_iter+0x5d0/0x670 [ 71.741627][ T656] ext4_file_write_iter+0x440/0x1540 [ 71.747115][ T656] ? avc_policy_seqno+0x1b/0x70 [ 71.751988][ T656] ? ext4_file_read_iter+0x510/0x510 [ 71.757375][ T656] ? memset+0x35/0x40 [ 71.761384][ T656] ? iov_iter_init+0xbc/0x180 [ 71.766085][ T656] vfs_write+0x835/0xfd0 [ 71.770343][ T656] ? file_end_write+0x1b0/0x1b0 [ 71.775470][ T656] ? __fget_files+0x2c4/0x320 [ 71.780276][ T656] ? __fdget+0x1a1/0x230 [ 71.784738][ T656] ? __x64_sys_pwrite64+0xf2/0x220 [ 71.790212][ T656] __x64_sys_pwrite64+0x197/0x220 [ 71.795261][ T656] ? ksys_pwrite64+0x1b0/0x1b0 [ 71.800217][ T656] ? __kasan_check_write+0x14/0x20 [ 71.805453][ T656] ? switch_fpu_return+0x15d/0x2c0 [ 71.810584][ T656] x64_sys_call+0xa6/0x9a0 [ 71.815026][ T656] do_syscall_64+0x4c/0xa0 [ 71.819638][ T656] ? clear_bhb_loop+0x50/0xa0 [ 71.824629][ T656] ? clear_bhb_loop+0x50/0xa0 [ 71.829326][ T656] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 71.835239][ T656] RIP: 0033:0x7f9fa2746799 [ 71.839864][ T656] 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 [ 71.859802][ T656] RSP: 002b:00007f9fa25a9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 71.868486][ T656] RAX: ffffffffffffffda RBX: 00007f9fa29bffa0 RCX: 00007f9fa2746799 [ 71.876479][ T656] RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000006 [ 71.884470][ T656] RBP: 00007f9fa27dcbd9 R08: 0000000000000000 R09: 0000000000000000 [ 71.892579][ T656] R10: 0000000000009000 R11: 0000000000000246 R12: 0000000000000000 [ 71.900587][ T656] R13: 00007f9fa29c0038 R14: 00007f9fa29bffa0 R15: 00007ffc8f95b4f8 [ 71.908587][ T656] [ 71.911724][ T656] Modules linked in: [ 71.915825][ T656] ---[ end trace ebab4114c829172a ]--- [ 71.922075][ T656] RIP: 0010:ext4_mb_normalize_request+0x1944/0x1990 [ 71.928947][ T656] Code: 00 e9 8e fa ff ff e8 2b ea 8b ff 0f 0b e8 24 ea 8b ff 0f 0b e8 1d ea 8b ff e9 b7 fb ff ff e8 13 ea 8b ff 0f 0b e8 0c ea 8b ff <0f> 0b e8 05 ea 8b ff 0f 0b e8 fe e9 8b ff 48 8b 45 80 42 80 3c 28 [ 71.949313][ T656] RSP: 0018:ffffc90002506c68 EFLAGS: 00010293 [ 71.955629][ T656] RAX: ffffffff81dddcd4 RBX: 0000000000000060 RCX: ffff888112e43b40 [ 71.964002][ T656] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 71.972257][ T656] RBP: ffffc90002506d50 R08: ffff88812322602f R09: 1ffff11024644c05 [ 71.980716][ T656] R10: dffffc0000000000 R11: ffffed1024644c06 R12: 000000000000001f [ 71.989394][ T656] R13: dffffc0000000000 R14: 0000000000000000 R15: 000000000000001f [ 71.998211][ T656] FS: 00007f9fa25a96c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 72.007435][ T656] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.014643][ T656] CR2: 00007f9fa2793e80 CR3: 0000000124019000 CR4: 00000000003506a0 [ 72.022812][ T656] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.031172][ T656] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.039748][ T656] Kernel panic - not syncing: Fatal exception [ 72.046354][ T656] Kernel Offset: disabled [ 72.051131][ T656] Rebooting in 86400 seconds..