oop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  218.494836][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  218.510742][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  218.510742][  T417] 
[  218.976985][ T8578] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  218.977430][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  219.025245][ T8578] EXT4-fs error (device loop0): ext4_write_end:1367: inode #19: comm syz-executor.0: mark_inode_dirty error
[  219.039835][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  219.053735][ T2918] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  219.071625][  T417] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  219.087321][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  219.098557][ T2918] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  219.104175][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  219.129699][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  219.129699][    T7] 
[  219.134851][ T8578] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  219.151047][  T417] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  219.156782][ T8578] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  219.170498][  T363] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  219.185790][ T2918] EXT4-fs (loop4): This should not happen!! Data will be lost
[  219.185790][ T2918] 
[  219.199356][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  219.199356][  T293] 
[  219.215526][  T417] EXT4-fs (loop3): This should not happen!! Data will be lost
[  219.215526][  T417] 
[  219.223119][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  219.247473][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  219.250934][  T363] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  219.261343][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  219.261343][  T293] 
[  219.290631][  T363] EXT4-fs (loop5): This should not happen!! Data will be lost
[  219.290631][  T363] 
[  219.767611][  T363] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  219.795178][ T8603] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  219.813640][  T363] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  219.831439][  T363] EXT4-fs (loop1): This should not happen!! Data will be lost
[  219.831439][  T363] 
[  219.831725][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
2025/10/24 17:06:21 executed programs: 1532
[  219.875909][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  219.896237][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  219.896237][  T293] 
[  219.901314][ T8603] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  219.933254][ T8608] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  219.942311][  T363] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  219.952458][ T8608] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  219.969291][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  220.011360][ T2918] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  220.026920][  T363] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  220.042566][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  220.044941][  T363] EXT4-fs (loop3): This should not happen!! Data will be lost
[  220.044941][  T363] 
[  220.059163][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  220.070498][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  220.087184][ T2918] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  220.098704][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  220.098704][    T7] 
[  220.113700][ T2918] EXT4-fs (loop4): This should not happen!! Data will be lost
[  220.113700][ T2918] 
[  220.132508][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  220.132508][  T293] 
[  220.554691][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  220.576545][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  220.596248][ T8659] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  220.596878][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  220.614097][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  220.628274][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  220.628274][  T293] 
[  220.647922][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  220.647922][    T7] 
[  220.655487][ T8659] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  220.699162][ T8641] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0
[  220.724778][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  220.761441][ T8641] EXT4-fs error (device loop4): ext4_discard_preallocations:4597: comm syz-executor.4: Error -117 reading block bitmap for 0
[  220.776666][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  220.795556][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  220.810645][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  220.810645][    T7] 
[  220.820776][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  220.836433][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  220.836433][ T2918] 
[  220.837207][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  220.873926][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  220.888202][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  220.888202][    T7] 
[  221.250005][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  221.265179][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  221.278599][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  221.278599][    T7] 
[  221.290226][ T8667] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  221.305688][ T8667] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  221.346293][ T2918] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  221.368912][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  221.369150][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  221.388042][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  221.411367][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  221.411550][ T2918] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  221.425067][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  221.425067][  T293] 
[  221.438272][ T2918] EXT4-fs (loop2): This should not happen!! Data will be lost
[  221.438272][ T2918] 
[  221.449287][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  221.449287][    T7] 
[  221.481573][  T417] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  221.497770][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  221.512793][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  221.512825][  T417] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  221.526575][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  221.526575][  T293] 
[  221.546419][  T417] EXT4-fs (loop3): This should not happen!! Data will be lost
[  221.546419][  T417] 
[  221.966657][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  221.982691][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  221.997708][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  221.997708][  T293] 
[  222.059304][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  222.081004][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  222.097470][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  222.097470][    T7] 
[  222.146107][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  222.160958][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  222.176291][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  222.201559][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  222.214819][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  222.214819][  T293] 
[  222.222405][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  222.222405][  T417] 
[  222.237439][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  222.290492][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  222.303935][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  222.303935][    T7] 
[  222.344769][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  222.360018][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  222.373785][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  222.373785][    T7] 
[  222.422201][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  222.451804][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  222.487824][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  222.550940][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  222.568893][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  222.568893][  T293] 
[  222.579530][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  222.579530][    T7] 
[  222.590589][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  222.635209][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  222.649181][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  222.649181][  T417] 
[  222.699332][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  222.714955][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  222.728344][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  222.728344][  T293] 
[  223.080588][ T8775] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  223.091239][ T2918] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  223.112297][ T8775] EXT4-fs error (device loop1): ext4_dirty_inode:6143: inode #19: comm syz-executor.1: mark_inode_dirty error
[  223.138496][ T2918] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  223.156933][  T363] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  223.176831][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  223.187550][ T2918] EXT4-fs (loop4): This should not happen!! Data will be lost
[  223.187550][ T2918] 
[  223.202170][  T363] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  223.216122][  T363] EXT4-fs (loop2): This should not happen!! Data will be lost
[  223.216122][  T363] 
[  223.229231][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  223.245128][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  223.245128][  T417] 
[  223.258336][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  223.278965][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  223.292246][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  223.292246][  T112] 
[  223.692322][ T8784] EXT4-fs mount: 193 callbacks suppressed
[  223.692335][ T8784] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  223.709737][ T8778] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  223.711159][ T8782] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  223.722180][ T8783] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  223.791030][ T8787] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  223.817363][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  223.823510][ T8792] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  223.842520][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  223.857175][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  223.864797][ T8782] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm syz-executor.4: bad extent address lblock: 205, depth: 1 pblock 0
[  223.885939][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  223.885939][ T2918] 
[  223.896518][ T8782] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0
[  223.910574][ T8782] EXT4-fs error (device loop4): ext4_discard_preallocations:4597: comm syz-executor.4: Error -117 reading block bitmap for 0
[  223.924672][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  223.930858][ T8782] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  223.937577][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  223.937577][  T112] 
[  223.981788][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  223.991827][ T8782] EXT4-fs error (device loop4): ext4_ext_truncate:4450: inode #19: comm syz-executor.4: mark_inode_dirty error
[  224.012962][ T8782] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  224.017418][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  224.025258][ T8782] EXT4-fs error (device loop4): ext4_truncate:4390: inode #19: comm syz-executor.4: mark_inode_dirty error
[  224.038012][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  224.038012][  T293] 
[  224.084382][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  224.099774][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  224.115928][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  224.120072][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  224.131769][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  224.144547][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  224.144547][    T7] 
[  224.156947][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  224.168136][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  224.168136][  T112] 
[  224.179779][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  224.179779][  T417] 
[  224.236271][ T8812] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  224.442118][ T8815] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  224.501809][ T8822] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  224.511692][ T8820] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  224.530879][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  224.533609][ T8828] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  224.579103][  T417] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  224.598347][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  224.600158][  T417] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  224.620530][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  224.632844][  T417] EXT4-fs (loop3): This should not happen!! Data will be lost
[  224.632844][  T417] 
[  224.643188][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  224.659635][ T8828] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 332: comm syz-executor.1: lblock 204 mapped to illegal pblock 332 (length 1)
[  224.674186][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  224.674186][  T112] 
[  224.686211][ T8822] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  224.707142][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  224.707142][  T293] 
[  224.725452][ T8822] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  224.737050][ T8829] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  224.740038][ T8828] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0
[  224.762659][ T8822] EXT4-fs error (device loop0): ext4_dirty_inode:6143: inode #19: comm syz-executor.0: mark_inode_dirty error
[  224.763630][ T8828] EXT4-fs error (device loop1): ext4_discard_preallocations:4597: comm syz-executor.1: Error -117 reading block bitmap for 0
[  224.775484][ T8822] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  224.790187][ T8828] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  224.805187][ T8822] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  224.815263][ T8828] EXT4-fs error (device loop1): ext4_ext_truncate:4450: inode #19: comm syz-executor.1: mark_inode_dirty error
[  224.828857][ T8822] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  224.851175][ T8822] EXT4-fs error (device loop0): ext4_ext_truncate:4450: inode #19: comm syz-executor.0: mark_inode_dirty error
[  224.864456][ T8822] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
2025/10/24 17:06:26 executed programs: 1573
[  224.874986][ T8822] EXT4-fs error (device loop0): ext4_truncate:4390: inode #19: comm syz-executor.0: mark_inode_dirty error
[  224.878838][ T8828] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  224.901157][ T8828] EXT4-fs error (device loop1): ext4_truncate:4390: inode #19: comm syz-executor.1: mark_inode_dirty error
[  224.940784][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  224.957850][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  224.975436][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  224.991123][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  225.005992][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  225.005992][  T417] 
[  225.006278][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  225.017362][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  225.017362][  T112] 
[  225.046088][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  225.058775][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  225.058775][  T293] 
[  225.082799][ T8845] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  225.102664][ T8847] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  225.120278][ T8849] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  225.162047][ T8859] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  225.279966][  T293] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  225.326012][ T8865] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  225.343005][  T293] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  225.364203][ T2918] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  225.371586][ T8859] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  225.395803][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  225.401791][  T293] EXT4-fs (loop3): This should not happen!! Data will be lost
[  225.401791][  T293] 
[  225.415003][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  225.429023][ T2918] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  225.434189][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  225.434189][  T112] 
[  225.470877][ T8859] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  225.484054][ T2918] EXT4-fs (loop4): This should not happen!! Data will be lost
[  225.484054][ T2918] 
[  225.495924][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  225.511458][ T8871] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  225.517533][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  225.535002][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  225.535260][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  225.535260][  T112] 
[  225.551307][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  225.574763][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  225.574763][ T2918] 
[  225.845632][ T8886] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  225.855297][ T8880] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  225.866086][ T8881] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  225.888286][ T8888] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  225.920675][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  225.967519][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  225.983367][ T8892] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  226.020806][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  226.040448][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  226.040448][ T2918] 
[  226.051406][  T112] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  226.076114][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.076663][  T293] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  226.107353][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  226.107353][  T417] 
[  226.118255][  T293] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.121284][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  226.131949][  T293] EXT4-fs (loop3): This should not happen!! Data will be lost
[  226.131949][  T293] 
[  226.160048][  T112] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.165961][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.178221][  T112] EXT4-fs (loop5): This should not happen!! Data will be lost
[  226.178221][  T112] 
[  226.194556][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  226.194556][    T7] 
[  226.234960][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  226.251045][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.264736][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  226.264736][    T7] 
[  226.481373][ T8904] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  226.498865][ T8906] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  226.544958][ T8911] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  226.559897][ T8913] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  226.569752][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  226.604113][ T8917] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  226.654167][ T8914] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  226.664231][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  226.668072][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.686456][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.706042][  T417] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  226.721294][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  226.721294][    T7] 
[  226.743346][  T417] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.754497][ T8933] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  226.756592][  T417] EXT4-fs (loop3): This should not happen!! Data will be lost
[  226.756592][  T417] 
[  226.794946][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  226.794946][  T293] 
[  226.811177][ T8933] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  226.825837][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  226.850695][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.871104][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  226.887355][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  226.887355][    T7] 
[  226.887637][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.924511][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  226.924511][  T112] 
[  226.955249][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  226.971207][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  226.984546][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  226.984546][  T112] 
[  227.002196][ T8935] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  227.079664][ T8937] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  227.153285][ T8952] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  227.186479][ T8946] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  227.196721][ T8945] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  227.223334][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  227.250502][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  227.263704][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  227.263704][  T417] 
[  227.268460][ T8949] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  227.300296][ T8962] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  227.315539][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  227.340989][ T8962] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  227.365084][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  227.380963][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  227.380963][    T7] 
[  227.381056][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  227.409295][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  227.425926][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  227.425926][  T417] 
[  227.440649][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  227.444160][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  227.473460][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  227.486971][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  227.486971][  T417] 
[  227.497874][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  227.512382][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  227.520697][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  227.525920][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  227.525920][  T112] 
[  227.546615][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  227.546615][  T293] 
[  227.693301][ T8968] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  227.819801][ T8977] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  227.840321][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  227.856956][ T8971] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  227.877006][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  227.891553][ T8981] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  227.904052][ T8979] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  227.906078][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  227.906078][  T293] 
[  227.927304][ T8976] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  227.997791][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  228.013697][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  228.027774][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  228.027774][  T293] 
[  228.068527][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  228.083571][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  228.096960][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  228.096960][  T293] 
[  228.113190][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  228.129740][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  228.146104][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  228.160586][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  228.161104][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  228.194300][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  228.194300][  T112] 
[  228.195645][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  228.195645][  T417] 
[  228.215581][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  228.218548][ T8999] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  228.228845][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  228.228845][    T7] 
[  228.289234][ T9001] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  228.462058][ T9012] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  228.466552][ T9009] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  228.488523][ T9015] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  228.524321][ T9001] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  228.562113][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  228.577654][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  228.591292][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  228.591292][    T7] 
[  228.612745][ T9017] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  228.645953][ T9001] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  228.685260][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  228.733050][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  228.748537][ T9001] EXT4-fs error (device loop5): ext4_dirty_inode:6143: inode #19: comm syz-executor.5: mark_inode_dirty error
[  228.772381][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  228.781655][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  228.781655][    T7] 
[  228.787281][ T9001] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  228.813131][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  228.828422][ T9032] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  228.828739][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  228.838190][ T9001] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  228.851877][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  228.851877][ T2918] 
[  228.866729][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  228.890505][ T9001] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  228.892466][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  228.892466][  T112] 
[  228.900956][ T9001] EXT4-fs error (device loop5): ext4_ext_truncate:4450: inode #19: comm syz-executor.5: mark_inode_dirty error
[  228.935561][ T9001] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  228.945440][ T9001] EXT4-fs error (device loop5): ext4_truncate:4390: inode #19: comm syz-executor.5: mark_inode_dirty error
[  229.077229][  T112] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  229.100938][  T112] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  229.120517][  T112] EXT4-fs (loop5): This should not happen!! Data will be lost
[  229.120517][  T112] 
[  229.141113][ T9040] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  229.173396][ T9038] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  229.199433][ T9046] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  229.227271][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  229.273560][ T9047] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  229.301262][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  229.332756][ T9058] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  229.351478][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  229.366786][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  229.366786][  T417] 
[  229.399874][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  229.428517][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  229.428517][    T7] 
[  229.464557][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  229.480887][  T417] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  229.483908][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  229.500697][  T417] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  229.509930][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  229.509930][    T7] 
[  229.523855][  T417] EXT4-fs (loop3): This should not happen!! Data will be lost
[  229.523855][  T417] 
[  229.560792][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  229.575896][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  229.589162][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  229.589162][  T417] 
[  229.628466][ T9066] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  229.652424][ T9073] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  229.694641][ T9076] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  229.778010][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  229.835110][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  229.848964][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  229.848964][  T417] 
[  229.862978][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  229.862986][ T9072] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
2025/10/24 17:06:31 executed programs: 1619
[  229.906630][ T9078] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  229.919704][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  229.931594][ T9089] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  229.932844][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  229.932844][    T7] 
[  229.955278][  T417] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  229.971205][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  230.015967][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  230.030902][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.037964][  T417] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.047199][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.056984][  T417] EXT4-fs (loop3): This should not happen!! Data will be lost
[  230.056984][  T417] 
[  230.084893][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  230.084893][  T112] 
[  230.089554][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  230.089554][ T2918] 
[  230.120187][ T9096] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  230.147119][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  230.163068][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.176453][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  230.176453][ T2918] 
[  230.352296][ T9102] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  230.360935][ T9105] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  230.373424][ T9104] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  230.385061][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  230.427607][ T9117] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  230.429612][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.456150][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  230.471636][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.483220][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  230.483220][  T417] 
[  230.485421][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  230.485421][  T112] 
[  230.521742][ T9105] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  230.580838][ T9105] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  230.597549][ T2918] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  230.613854][ T2918] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.628640][ T2918] EXT4-fs (loop0): This should not happen!! Data will be lost
[  230.628640][ T2918] 
[  230.659307][  T417] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  230.659318][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  230.659678][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  230.680828][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.716320][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.729761][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  230.729761][  T112] 
[  230.732504][  T417] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  230.761959][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  230.761959][    T7] 
[  230.764198][  T417] EXT4-fs (loop1): This should not happen!! Data will be lost
[  230.764198][  T417] 
[  231.211544][ T9146] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 476: comm syz-executor.1: lblock 348 mapped to illegal pblock 476 (length 1)
[  231.263049][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  231.263072][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  231.296894][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  231.310894][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  231.310894][  T293] 
[  231.321647][ T9146] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  231.340465][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  231.367550][ T9146] EXT4-fs error (device loop1): ext4_ext_truncate:4450: inode #19: comm syz-executor.1: mark_inode_dirty error
[  231.380088][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  231.380088][    T7] 
[  231.385815][ T9146] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  231.401543][ T9146] EXT4-fs error (device loop1): ext4_truncate:4390: inode #19: comm syz-executor.1: mark_inode_dirty error
[  231.465323][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  231.480774][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  231.481039][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  231.494637][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  231.494637][  T417] 
[  231.521143][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  231.549526][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  231.549526][    T7] 
[  231.787353][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  231.811470][ T9187] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  231.830427][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  231.845098][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  231.848375][ T9187] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  231.870656][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  231.878880][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  231.878880][    T7] 
[  231.903008][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  231.904676][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  231.904676][  T417] 
[  231.929012][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  231.943998][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  231.958055][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  231.976997][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  231.985119][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  231.985119][    T7] 
[  231.993541][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  231.993541][  T112] 
[  232.005644][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  232.017468][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  232.029383][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  232.029383][  T417] 
[  232.056095][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  232.069303][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  232.069303][  T112] 
[  232.449279][ T9200] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  232.469984][ T9205] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm syz-executor.5: bad extent address lblock: 278, depth: 1 pblock 0
[  232.485141][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  232.501743][ T9205] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  232.501764][ T9200] EXT4-fs error (device loop2): ext4_ext_truncate:4450: inode #19: comm syz-executor.2: mark_inode_dirty error
[  232.519790][ T9203] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  232.529678][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  232.556672][ T9200] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  232.558562][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  232.558562][  T417] 
[  232.566674][ T9203] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  232.580687][ T9205] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  232.609216][ T9200] EXT4-fs error (device loop2): ext4_truncate:4390: inode #19: comm syz-executor.2: mark_inode_dirty error
[  232.616145][ T9205] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  232.632098][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  232.647032][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  232.665543][ T9205] EXT4-fs error (device loop5): ext4_ext_truncate:4450: inode #19: comm syz-executor.5: mark_inode_dirty error
[  232.679257][ T9205] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  232.692912][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  232.706780][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  232.710296][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  232.710296][  T112] 
[  232.723343][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  232.732109][ T9205] EXT4-fs error (device loop5): ext4_truncate:4390: inode #19: comm syz-executor.5: mark_inode_dirty error
[  232.745007][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  232.745007][    T7] 
[  232.756557][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  232.756564][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  232.756564][  T417] 
[  232.790761][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  232.805822][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  232.809639][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  232.818773][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  232.818773][  T112] 
[  232.833661][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  232.856962][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  232.856962][  T417] 
[  233.225242][ T9262] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  233.240150][ T9262] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  233.257280][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  233.274855][ T9239] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  233.290207][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  233.300984][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  233.316317][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  233.319897][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  233.346737][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  233.346737][    T7] 
[  233.346966][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  233.359901][ T9239] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  233.387034][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  233.401373][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  233.405647][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  233.405647][  T417] 
[  233.415744][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  233.415744][  T293] 
[  233.427875][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  233.453356][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  233.453356][ T2918] 
[  233.456223][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  233.481481][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  233.481481][  T112] 
[  233.886203][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  233.901963][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  233.905832][ T9274] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  233.928055][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  233.951086][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  233.966647][ T9274] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  233.967066][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  233.995964][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  234.009596][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  234.014409][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  234.014409][ T2918] 
[  234.023103][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  234.023103][    T7] 
[  234.042807][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  234.042807][  T417] 
[  234.044870][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  234.066574][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  234.086285][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  234.092853][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  234.092853][  T293] 
[  234.099634][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  234.099634][  T112] 
[  234.773503][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  234.809568][ T9303] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 258: comm syz-executor.1: lblock 130 mapped to illegal pblock 258 (length 1)
[  234.816982][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  234.838570][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  234.838570][  T112] 
[  234.894340][ T9303] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0
[  234.909696][  T112] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  234.910727][ T9303] EXT4-fs error (device loop1): ext4_discard_preallocations:4597: comm syz-executor.1: Error -117 reading block bitmap for 0
2025/10/24 17:06:36 executed programs: 1661
[  234.927030][  T112] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  234.939967][ T9303] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  234.940136][ T9303] EXT4-fs error (device loop1): ext4_ext_truncate:4450: inode #19: comm syz-executor.1: mark_inode_dirty error
[  234.982836][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  234.998406][ T2918] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  234.998633][  T293] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  235.030243][ T9303] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  235.030325][  T293] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.053145][  T293] EXT4-fs (loop3): This should not happen!! Data will be lost
[  235.053145][  T293] 
[  235.065532][ T9303] EXT4-fs error (device loop1): ext4_truncate:4390: inode #19: comm syz-executor.1: mark_inode_dirty error
[  235.065768][  T112] EXT4-fs (loop5): This should not happen!! Data will be lost
[  235.065768][  T112] 
[  235.087969][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.090069][ T2918] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.111779][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  235.111779][    T7] 
[  235.116821][ T2918] EXT4-fs (loop0): This should not happen!! Data will be lost
[  235.116821][ T2918] 
[  235.173666][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  235.189737][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.202704][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  235.202704][ T2918] 
[  235.410050][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  235.439921][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.468181][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  235.468181][  T112] 
[  235.572927][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  235.580934][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  235.587418][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.604557][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  235.614951][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  235.614951][  T112] 
[  235.694341][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.699019][  T112] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  235.708105][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  235.708105][    T7] 
[  235.729573][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.737554][  T112] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.746371][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  235.746371][ T2918] 
[  235.759248][  T112] EXT4-fs (loop5): This should not happen!! Data will be lost
[  235.759248][  T112] 
[  235.785747][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  235.800561][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  235.813663][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  235.813663][  T112] 
[  235.996358][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  236.039314][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  236.047588][ T9370] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 363: comm syz-executor.3: lblock 235 mapped to illegal pblock 363 (length 1)
[  236.064232][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  236.064232][  T112] 
[  236.089146][ T9370] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  236.105088][ T9370] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  236.122313][ T9370] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  236.150726][ T9370] EXT4-fs error (device loop3): ext4_ext_truncate:4450: inode #19: comm syz-executor.3: mark_inode_dirty error
[  236.165474][ T9370] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  236.181600][ T9370] EXT4-fs error (device loop3): ext4_truncate:4390: inode #19: comm syz-executor.3: mark_inode_dirty error
[  236.251121][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  236.259533][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  236.290233][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  236.293521][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  236.326768][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  236.326768][  T112] 
[  236.330668][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  236.351639][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  236.351639][ T2918] 
[  236.367975][ T9394] EXT4-fs error (device loop4): ext4_map_blocks:740: inode #19: block 503: comm syz-executor.4: lblock 359 mapped to illegal pblock 503 (length 1)
[  236.374281][  T417] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  236.389502][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  236.399154][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  236.410755][ T9394] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  236.425619][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  236.425619][    T7] 
[  236.445552][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  236.459404][  T417] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  236.461400][ T9394] EXT4-fs error (device loop4): ext4_ext_truncate:4450: inode #19: comm syz-executor.4: mark_inode_dirty error
[  236.483144][  T417] EXT4-fs (loop1): This should not happen!! Data will be lost
[  236.483144][  T417] 
[  236.489498][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  236.489498][  T293] 
[  236.504154][ T9394] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  236.514526][ T9394] EXT4-fs error (device loop4): ext4_truncate:4390: inode #19: comm syz-executor.4: mark_inode_dirty error
[  236.700246][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  236.734332][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  236.747338][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  236.747338][  T293] 
[  236.951336][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  236.968641][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  236.968806][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  236.983603][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  236.983603][  T293] 
[  236.999856][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  237.041241][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  237.056874][    T7] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 112: comm kworker/u4:0: lblock 0 mapped to illegal pblock 112 (length 1)
[  237.061410][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.085793][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.093741][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.099060][ T9436] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0
[  237.112819][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  237.112819][  T293] 
[  237.128530][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  237.128530][  T112] 
[  237.139495][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 1 with error 117
[  237.150278][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  237.150278][  T417] 
[  237.170952][ T9436] EXT4-fs error (device loop4): ext4_discard_preallocations:4597: comm syz-executor.4: Error -117 reading block bitmap for 0
[  237.185928][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  237.185928][    T7] 
[  237.206824][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  237.224289][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.240984][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  237.240984][  T293] 
[  237.622420][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  237.651128][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  237.651144][ T9452] EXT4-fs error (device loop4): ext4_ext_remove_space:2924: inode #19: comm syz-executor.4: pblk 0 bad header/extent: invalid extent entries - magic f30a, entries 1, max 4(4), depth 1(1)
[  237.677384][ T9452] EXT4-fs error (device loop4) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  237.699599][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.703278][ T9442] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0
[  237.727894][ T9442] EXT4-fs error (device loop1): ext4_discard_preallocations:4597: comm syz-executor.1: Error -117 reading block bitmap for 0
[  237.730492][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.749347][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  237.755256][ T9452] EXT4-fs error (device loop4): ext4_truncate:4390: inode #19: comm syz-executor.4: mark_inode_dirty error
[  237.782930][  T417] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  237.795344][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.814258][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  237.814258][  T112] 
[  237.821316][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  237.821316][  T293] 
[  237.825244][  T417] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.848417][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  237.849604][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  237.849604][    T7] 
[  237.874134][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  237.880655][  T417] EXT4-fs (loop1): This should not happen!! Data will be lost
[  237.880655][  T417] 
[  237.899875][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.900767][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  237.913591][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  237.913591][  T293] 
[  237.941670][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  237.941670][ T2918] 
[  238.492770][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  238.510945][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  238.515693][ T9480] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 324: comm syz-executor.3: lblock 196 mapped to illegal pblock 324 (length 1)
[  238.525450][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  238.525450][  T293] 
[  238.556341][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  238.570100][ T9480] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  238.571357][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  238.591545][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  238.604001][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  238.604001][ T2918] 
[  238.634620][ T9480] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  238.639509][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  238.664954][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  238.664954][  T417] 
[  238.665009][ T9480] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  238.685722][ T9480] EXT4-fs error (device loop3): ext4_ext_truncate:4450: inode #19: comm syz-executor.3: mark_inode_dirty error
[  238.710273][  T112] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 112: comm kworker/u4:2: lblock 0 mapped to illegal pblock 112 (length 1)
[  238.717316][ T9480] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  238.730002][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 1 with error 117
[  238.741707][ T9480] EXT4-fs error (device loop3): ext4_truncate:4390: inode #19: comm syz-executor.3: mark_inode_dirty error
[  238.752181][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  238.752181][  T112] 
[  238.765320][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  238.789817][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  238.804020][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  238.804020][  T293] 
[  238.848906][  T293] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  238.864663][  T293] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  238.877926][  T293] EXT4-fs (loop3): This should not happen!! Data will be lost
[  238.877926][  T293] 
[  239.069309][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  239.107603][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  239.121313][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  239.121313][  T417] 
[  239.233078][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  239.261325][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  239.276356][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  239.289839][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  239.289839][  T112] 
[  239.325639][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  239.342392][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  239.366158][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  239.380313][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  239.380313][  T293] 
[  239.392659][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  239.393308][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  239.393308][  T417] 
[  239.431114][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  239.445390][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  239.445390][ T2918] 
[  239.611721][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  239.629518][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  239.629795][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  239.643854][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  239.643854][ T2918] 
[  239.710446][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  239.729333][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  239.729333][  T417] 
[  239.787840][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  239.806070][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  239.820733][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  239.820733][  T112] 
2025/10/24 17:06:41 executed programs: 1705
[  239.964978][ T2918] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  239.991673][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  240.009590][ T2918] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.011356][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.024724][ T2918] EXT4-fs (loop0): This should not happen!! Data will be lost
[  240.024724][ T2918] 
[  240.041886][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  240.059114][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  240.059114][  T112] 
[  240.076123][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.093401][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  240.093401][  T417] 
[  240.220228][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  240.244491][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.261365][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  240.261365][  T417] 
[  240.272852][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  240.295631][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.314823][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  240.314823][  T112] 
[  240.392452][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  240.413790][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.430476][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  240.430476][  T417] 
[  240.514635][ T2918] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  240.531142][ T2918] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.546282][  T417] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  240.554424][ T2918] EXT4-fs (loop0): This should not happen!! Data will be lost
[  240.554424][ T2918] 
[  240.563276][  T417] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.584801][  T417] EXT4-fs (loop3): This should not happen!! Data will be lost
[  240.584801][  T417] 
[  240.618072][ T2918] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  240.634512][ T2918] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.649065][ T2918] EXT4-fs (loop2): This should not happen!! Data will be lost
[  240.649065][ T2918] 
[  240.797781][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  240.815785][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.830576][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  240.830576][ T2918] 
[  240.845232][  T417] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  240.873394][  T417] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  240.886394][  T417] EXT4-fs (loop1): This should not happen!! Data will be lost
[  240.886394][  T417] 
[  240.967213][ T2918] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  240.985591][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  241.036134][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  241.051792][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.065001][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.072888][ T2918] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.079732][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  241.079732][  T417] 
[  241.099950][ T2918] EXT4-fs (loop4): This should not happen!! Data will be lost
[  241.099950][ T2918] 
[  241.110580][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  241.110580][  T112] 
[  241.141395][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  241.196663][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.209666][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  241.209666][  T293] 
[  241.383594][ T9634] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0
[  241.410305][ T9634] EXT4-fs error (device loop1): ext4_discard_preallocations:4597: comm syz-executor.1: Error -117 reading block bitmap for 0
[  241.412231][  T112] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  241.442736][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  241.444749][  T112] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.471206][  T112] EXT4-fs (loop5): This should not happen!! Data will be lost
[  241.471206][  T112] 
[  241.492836][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.505648][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  241.505648][  T293] 
[  241.652113][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  241.670621][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.685782][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  241.686008][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  241.686008][  T112] 
[  241.731519][ T9663] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  241.771018][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  241.781053][ T9663] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  241.787795][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  241.806864][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.830532][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.835713][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.849324][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  241.856330][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  241.856330][  T417] 
[  241.889911][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  241.889911][    T7] 
[  241.891555][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  241.891555][  T293] 
[  241.912969][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  241.926263][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  241.926263][  T112] 
[  242.162797][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  242.188971][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  242.202325][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  242.202325][  T112] 
[  242.330791][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  242.350852][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  242.367028][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  242.382016][ T9673] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  242.396743][ T9673] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  242.396800][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  242.412165][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  242.423137][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  242.423137][  T112] 
[  242.428456][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  242.461344][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  242.461344][    T7] 
[  242.476980][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  242.482945][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  242.496076][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  242.496076][  T293] 
[  242.505842][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  242.505842][  T417] 
[  242.530059][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  242.547088][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  242.561292][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  242.561292][  T417] 
[  242.961907][ T9704] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 389: comm syz-executor.5: lblock 261 mapped to illegal pblock 389 (length 1)
[  242.983950][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  243.010025][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  243.025018][ T9704] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  243.040534][ T9704] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  243.054639][ T9725] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  243.061754][ T9704] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  243.081635][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.085062][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.094618][ T9725] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  243.120749][ T9704] EXT4-fs error (device loop5): ext4_ext_truncate:4450: inode #19: comm syz-executor.5: mark_inode_dirty error
[  243.134970][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  243.141700][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  243.141700][    T7] 
[  243.150699][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.162960][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  243.162960][ T2918] 
[  243.174618][ T9704] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  243.184765][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  243.184765][  T293] 
[  243.208561][ T9704] EXT4-fs error (device loop5): ext4_truncate:4390: inode #19: comm syz-executor.5: mark_inode_dirty error
[  243.221776][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  243.223968][ T2918] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  243.236920][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.264184][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  243.264184][  T293] 
[  243.270515][ T2918] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.288599][ T2918] EXT4-fs (loop4): This should not happen!! Data will be lost
[  243.288599][ T2918] 
[  243.321293][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  243.336788][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.350558][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  243.350558][ T2918] 
[  243.645655][  T293] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  243.666392][ T2918] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  243.685548][ T2918] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.692277][ T9736] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0
[  243.700870][ T2918] EXT4-fs (loop2): This should not happen!! Data will be lost
[  243.700870][ T2918] 
[  243.727460][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  243.742954][  T293] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.746996][ T9736] EXT4-fs error (device loop1): ext4_discard_preallocations:4597: comm syz-executor.1: Error -117 reading block bitmap for 0
[  243.771372][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  243.774093][  T293] EXT4-fs (loop3): This should not happen!! Data will be lost
[  243.774093][  T293] 
[  243.796214][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.811627][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  243.811627][    T7] 
[  243.814936][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.827645][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  243.852151][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  243.852151][  T417] 
[  243.876809][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  243.892122][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.892233][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  243.905591][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  243.905591][  T417] 
[  243.919312][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  243.919312][  T293] 
[  244.295327][ T2918] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  244.315684][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  244.318040][ T2918] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  244.348125][ T2918] EXT4-fs (loop2): This should not happen!! Data will be lost
[  244.348125][ T2918] 
[  244.365848][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  244.382626][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  244.395783][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  244.395783][  T293] 
[  244.418540][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  244.422028][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  244.431365][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  244.431365][  T417] 
[  244.449355][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  244.471898][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  244.478221][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  244.493782][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  244.500029][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  244.500029][ T2918] 
[  244.512751][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  244.523770][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  244.523770][    T7] 
[  244.550700][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  244.550700][  T293] 
2025/10/24 17:06:46 executed programs: 1750
[  244.994086][ T9794] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  245.019663][ T9794] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  245.061100][ T9826] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0
[  245.062354][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  245.090853][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  245.103035][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  245.104441][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  245.104441][  T293] 
[  245.140842][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  245.152061][ T9826] EXT4-fs error (device loop4): ext4_discard_preallocations:4597: comm syz-executor.4: Error -117 reading block bitmap for 0
[  245.178564][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  245.194901][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  245.195442][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  245.225452][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  245.234185][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  245.234185][  T417] 
[  245.244875][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  245.254600][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  245.267069][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  245.281572][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  245.281572][  T112] 
[  245.295298][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  245.295298][  T293] 
[  245.308347][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  245.324289][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  245.324289][    T7] 
[  245.333412][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  245.333412][ T2918] 
[  245.908843][ T9835] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 399: comm syz-executor.3: lblock 271 mapped to illegal pblock 399 (length 1)
[  245.925794][    T9] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  245.941773][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  245.956113][ T9835] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  245.972834][    T9] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  245.980755][ T9857] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  245.987470][  T112] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  246.013342][ T9857] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  246.017526][    T9] EXT4-fs (loop4): This should not happen!! Data will be lost
[  246.017526][    T9] 
[  246.032960][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.041980][ T9835] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  246.065260][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  246.065260][ T2918] 
[  246.069506][  T112] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.090881][ T2918] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  246.094358][  T112] EXT4-fs (loop5): This should not happen!! Data will be lost
[  246.094358][  T112] 
[  246.111067][ T2918] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.118112][    T9] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  246.142005][ T2918] EXT4-fs (loop2): This should not happen!! Data will be lost
[  246.142005][ T2918] 
[  246.153024][ T9835] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  246.163047][    T9] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.179715][ T9835] EXT4-fs error (device loop3): ext4_ext_truncate:4450: inode #19: comm syz-executor.3: mark_inode_dirty error
[  246.180610][    T9] EXT4-fs (loop0): This should not happen!! Data will be lost
[  246.180610][    T9] 
[  246.204338][ T9835] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  246.215940][ T9835] EXT4-fs error (device loop3): ext4_truncate:4390: inode #19: comm syz-executor.3: mark_inode_dirty error
[  246.539305][  T293] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  246.580502][  T293] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.602055][  T293] EXT4-fs (loop3): This should not happen!! Data will be lost
[  246.602055][  T293] 
[  246.735858][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  246.771196][    T9] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  246.782133][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.799929][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  246.799929][  T293] 
[  246.831521][    T9] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.849269][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  246.849280][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  246.849459][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.864495][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.880194][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  246.892565][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  246.892565][    T7] 
[  246.921955][    T9] EXT4-fs (loop0): This should not happen!! Data will be lost
[  246.921955][    T9] 
[  246.945008][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  246.945008][  T112] 
[  246.955779][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  246.977053][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  246.977053][  T293] 
[  247.144341][    T9] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  247.168290][    T9] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  247.196341][    T9] EXT4-fs (loop3): This should not happen!! Data will be lost
[  247.196341][    T9] 
[  247.333813][  T112] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  247.349639][  T112] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  247.358112][ T9902] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 333: comm syz-executor.2: lblock 205 mapped to illegal pblock 333 (length 1)
[  247.363785][  T112] EXT4-fs (loop5): This should not happen!! Data will be lost
[  247.363785][  T112] 
[  247.400658][ T9898] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 282: comm syz-executor.0: lblock 154 mapped to illegal pblock 282 (length 1)
[  247.425879][    T9] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  247.430977][ T9902] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  247.456128][ T9898] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  247.478003][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  247.479691][ T9898] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  247.499853][ T9902] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  247.521694][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  247.521723][    T9] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  247.542279][ T9898] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  247.548353][    T9] EXT4-fs (loop4): This should not happen!! Data will be lost
[  247.548353][    T9] 
[  247.562886][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  247.562886][  T112] 
[  247.577105][ T9902] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  247.588563][ T9898] EXT4-fs error (device loop0): ext4_ext_truncate:4450: inode #19: comm syz-executor.0: mark_inode_dirty error
[  247.588584][ T9902] EXT4-fs error (device loop2): ext4_ext_truncate:4450: inode #19: comm syz-executor.2: mark_inode_dirty error
[  247.602421][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  247.614546][ T9902] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  247.637298][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  247.642020][ T9902] EXT4-fs error (device loop2): ext4_truncate:4390: inode #19: comm syz-executor.2: mark_inode_dirty error
[  247.655462][ T9898] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  247.668307][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  247.668307][  T112] 
[  247.690557][ T9898] EXT4-fs error (device loop0): ext4_truncate:4390: inode #19: comm syz-executor.0: mark_inode_dirty error
[  247.704283][    T9] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  247.720818][    T9] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  247.739879][    T9] EXT4-fs (loop2): This should not happen!! Data will be lost
[  247.739879][    T9] 
[  247.754002][    T9] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  247.769021][    T9] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  247.782415][    T9] EXT4-fs (loop0): This should not happen!! Data will be lost
[  247.782415][    T9] 
[  248.093135][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  248.142581][ T9960] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  248.160182][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.160301][ T9935] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0
[  248.190938][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  248.213368][ T9960] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  248.220033][    T9] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  248.227807][ T9935] EXT4-fs error (device loop4): ext4_discard_preallocations:4597: comm syz-executor.4: Error -117 reading block bitmap for 0
[  248.255836][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  248.271685][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  248.271685][  T112] 
[  248.280487][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.285017][    T9] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.310668][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.313814][    T9] EXT4-fs (loop5): This should not happen!! Data will be lost
[  248.313814][    T9] 
[  248.331612][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  248.349855][  T363] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  248.394462][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  248.394462][    T7] 
[  248.396765][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  248.396765][  T293] 
[  248.404966][  T363] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.419690][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.428296][  T363] EXT4-fs (loop4): This should not happen!! Data will be lost
[  248.428296][  T363] 
[  248.441627][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  248.441627][  T112] 
[  248.839088][  T112] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  248.865612][  T363] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  248.871179][  T112] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.882310][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  248.893950][  T112] EXT4-fs (loop5): This should not happen!! Data will be lost
[  248.893950][  T112] 
[  248.896077][  T363] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.933072][    T9] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  248.953402][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  248.958206][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.969408][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  248.982549][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  248.982549][    T7] 
[  248.997053][  T363] EXT4-fs (loop0): This should not happen!! Data will be lost
[  248.997053][  T363] 
[  249.009992][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  249.009992][  T112] 
[  249.024658][    T9] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  249.050512][    T9] EXT4-fs (loop2): This should not happen!! Data will be lost
[  249.050512][    T9] 
[  249.274454][    T9] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  249.292569][    T9] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  249.309905][    T9] EXT4-fs (loop4): This should not happen!! Data will be lost
[  249.309905][    T9] 
[  249.445914][ T9997] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm syz-executor.2: bad extent address lblock: 282, depth: 1 pblock 0
[  249.469766][ T9997] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  249.494707][ T9997] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  249.528435][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  249.529498][T10026] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  249.561237][T10026] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  249.561270][    T9] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:1: bad extent address lblock: 0, depth: 1 pblock 0
[  249.575457][ T9997] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  249.599798][ T9997] EXT4-fs error (device loop2): ext4_ext_truncate:4450: inode #19: comm syz-executor.2: mark_inode_dirty error
[  249.600004][  T363] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  249.612601][ T9997] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  249.640640][ T9997] EXT4-fs error (device loop2): ext4_truncate:4390: inode #19: comm syz-executor.2: mark_inode_dirty error
[  249.641581][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  249.663567][    T9] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  249.682304][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  249.697301][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  249.701366][    T9] EXT4-fs (loop3): This should not happen!! Data will be lost
[  249.701366][    T9] 
[  249.714078][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  249.714078][  T112] 
[  249.735850][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  249.745647][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  249.752248][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  249.765599][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  249.780603][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  249.780603][  T293] 
[  249.793537][  T363] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  249.814207][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  249.814207][    T7] 
[  249.830402][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  249.830402][  T417] 
[  249.832398][  T363] EXT4-fs (loop5): This should not happen!! Data will be lost
[  249.832398][  T363] 
2025/10/24 17:06:52 executed programs: 1794
[  250.337585][  T363] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  250.371572][  T363] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  250.400983][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  250.415579][  T363] EXT4-fs (loop0): This should not happen!! Data will be lost
[  250.415579][  T363] 
[  250.438912][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  250.454580][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  250.468404][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  250.473819][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  250.473819][  T417] 
[  250.491695][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  250.496499][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  250.496499][    T7] 
[  250.520456][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  250.534996][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  250.534996][ T2918] 
[  250.592909][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  250.609039][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  250.609477][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  250.624057][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  250.624057][ T2918] 
[  250.641064][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  250.666191][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  250.666191][  T417] 
[  250.982589][  T417] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  250.985075][ T2918] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  251.015790][  T417] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.041824][T10063] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  251.043173][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  251.071258][T10063] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  251.078113][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.088282][  T417] EXT4-fs (loop0): This should not happen!! Data will be lost
[  251.088282][  T417] 
[  251.112281][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  251.112281][    T7] 
[  251.112487][  T363] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  251.138150][ T2918] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.152226][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  251.166837][ T2918] EXT4-fs (loop2): This should not happen!! Data will be lost
[  251.166837][ T2918] 
[  251.172174][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.186987][  T363] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.193885][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  251.193885][    T7] 
[  251.216315][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  251.234883][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.243936][  T363] EXT4-fs (loop3): This should not happen!! Data will be lost
[  251.243936][  T363] 
[  251.248639][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  251.248639][ T2918] 
[  251.539350][T10112] EXT4-fs warning (device loop1): kmmpd:170: kmmpd being stopped since MMP feature has been disabled.
[  251.599388][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  251.629663][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  251.658390][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.666698][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.672417][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  251.672417][  T293] 
[  251.689934][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  251.713236][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  251.713236][    T7] 
[  251.717481][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.738139][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  251.738139][ T2918] 
[  251.749631][  T293] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  251.770918][  T293] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.771108][ T2918] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  251.784589][  T293] EXT4-fs (loop2): This should not happen!! Data will be lost
[  251.784589][  T293] 
[  251.809785][ T2918] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.825869][ T2918] EXT4-fs (loop4): This should not happen!! Data will be lost
[  251.825869][ T2918] 
[  251.883096][T10104] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  251.899292][T10104] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  251.914747][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  251.930206][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  251.943630][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  251.943630][  T293] 
[  252.150182][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  252.165716][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  252.179013][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  252.179013][ T2918] 
[  252.289932][ T2918] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  252.305381][ T2918] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  252.319773][ T2918] EXT4-fs (loop0): This should not happen!! Data will be lost
[  252.319773][ T2918] 
[  252.320137][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  252.345954][T10135] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  252.350522][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  252.373020][T10135] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  252.373422][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  252.373422][  T293] 
[  252.402212][  T363] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  252.430929][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  252.434036][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  252.461116][  T363] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  252.464691][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  252.476016][  T363] EXT4-fs (loop1): This should not happen!! Data will be lost
[  252.476016][  T363] 
[  252.488154][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  252.502082][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  252.502082][    T7] 
[  252.516579][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  252.516579][ T2918] 
[  252.842553][ T2918] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  252.859872][  T417] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  252.903181][T10194] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0
[  252.936376][ T2918] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  252.942404][  T417] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  252.967348][T10194] EXT4-fs error (device loop1): ext4_discard_preallocations:4597: comm syz-executor.1: Error -117 reading block bitmap for 0
[  252.987701][ T2918] EXT4-fs (loop0): This should not happen!! Data will be lost
[  252.987701][ T2918] 
[  252.998100][  T417] EXT4-fs (loop3): This should not happen!! Data will be lost
[  252.998100][  T417] 
[  252.998630][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  253.023251][  T417] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 112: comm kworker/u4:5: lblock 0 mapped to illegal pblock 112 (length 1)
[  253.043358][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  253.056723][  T417] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 1 with error 117
[  253.069443][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  253.069443][  T112] 
[  253.072834][  T417] EXT4-fs (loop1): This should not happen!! Data will be lost
[  253.072834][  T417] 
[  253.711198][  T417] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  253.734113][T10202] EXT4-fs mount: 199 callbacks suppressed
[  253.734127][T10202] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  253.754850][  T417] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  253.768575][  T417] EXT4-fs (loop4): This should not happen!! Data will be lost
[  253.768575][  T417] 
[  253.779262][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  253.779448][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  253.810350][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  253.839910][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  253.839910][  T112] 
[  253.842532][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  253.862366][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  253.880305][  T363] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  253.897016][  T363] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  253.902348][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  253.902348][ T2918] 
[  253.913128][  T363] EXT4-fs (loop2): This should not happen!! Data will be lost
[  253.913128][  T363] 
[  253.920693][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  253.945185][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  253.945185][  T112] 
[  253.970877][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  253.986258][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  254.000478][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  254.000478][ T2918] 
[  254.383584][T10226] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  254.421730][T10236] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  254.436775][T10232] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  254.450885][T10234] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  254.472216][T10233] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  254.482884][T10239] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  254.557146][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  254.573148][  T363] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  254.594654][  T363] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  254.608801][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  254.622186][T10239] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  254.623179][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  254.623179][  T112] 
[  254.644897][  T363] EXT4-fs (loop4): This should not happen!! Data will be lost
[  254.644897][  T363] 
[  254.645155][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  254.671835][T10239] EXT4-fs error (device loop2): ext4_write_end:1367: inode #19: comm syz-executor.2: mark_inode_dirty error
[  254.684887][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  254.685270][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  254.718081][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  254.730851][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  254.730851][    T7] 
[  254.732900][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  254.732900][  T293] 
[  254.863039][T10255] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  254.879277][T10255] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  254.879981][  T293] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  254.910100][  T293] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  254.910211][  T112] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 112: comm kworker/u4:2: lblock 0 mapped to illegal pblock 112 (length 1)
[  254.922954][  T293] EXT4-fs (loop3): This should not happen!! Data will be lost
[  254.922954][  T293] 
[  254.966603][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 1 with error 117
[  255.011583][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  255.011583][  T112] 
[  255.038441][T10258] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  255.049089][T10261] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  255.104388][T10266] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  255.137854][T10264] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  255.151692][T10265] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  255.161484][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  255.180903][T10261] EXT4-fs error (device loop0): ext4_map_blocks:740: inode #19: block 310: comm syz-executor.0: lblock 182 mapped to illegal pblock 310 (length 1)
[  255.198123][T10261] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  255.214080][T10261] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  255.228722][T10261] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  255.241100][T10261] EXT4-fs error (device loop0): ext4_ext_truncate:4450: inode #19: comm syz-executor.0: mark_inode_dirty error
[  255.254830][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  255.254944][T10261] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  255.289548][T10258] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  255.302563][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  255.302563][  T112] 
[  255.327002][  T363] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  255.327895][T10261] EXT4-fs error (device loop0): ext4_truncate:4390: inode #19: comm syz-executor.0: mark_inode_dirty error
2025/10/24 17:06:57 executed programs: 1838
[  255.344110][T10258] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  255.369144][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  255.371206][T10280] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  255.384542][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  255.401142][  T363] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  255.415270][T10288] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  255.420021][  T363] EXT4-fs (loop4): This should not happen!! Data will be lost
[  255.420021][  T363] 
[  255.445287][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  255.445287][    T7] 
[  255.463295][  T363] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  255.495020][T10288] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  255.510880][  T363] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  255.524400][  T363] EXT4-fs (loop5): This should not happen!! Data will be lost
[  255.524400][  T363] 
[  255.527393][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  255.549591][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  255.563140][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  255.563140][    T7] 
[  255.644836][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  255.660218][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  255.673382][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  255.673382][    T7] 
[  255.914283][T10293] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  255.964145][T10294] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  255.964170][T10296] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  256.011855][T10302] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  256.051805][T10308] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  256.077481][  T363] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  256.123430][  T363] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  256.139403][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  256.141219][  T363] EXT4-fs (loop0): This should not happen!! Data will be lost
[  256.141219][  T363] 
[  256.168394][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  256.172151][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  256.197331][  T293] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  256.197883][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  256.197883][  T112] 
[  256.223663][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  256.226255][T10308] EXT4-fs error (device loop2): ext4_map_blocks:740: inode #19: block 351: comm syz-executor.2: lblock 223 mapped to illegal pblock 351 (length 1)
[  256.241268][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  256.241268][    T7] 
[  256.271688][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  256.301828][  T293] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  256.310023][T10308] EXT4-fs error (device loop2): ext4_read_block_bitmap_nowait:476: comm syz-executor.2: Invalid block bitmap block 0 in block_group 0
[  256.315544][  T293] EXT4-fs (loop5): This should not happen!! Data will be lost
[  256.315544][  T293] 
[  256.335613][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  256.354707][T10308] EXT4-fs error (device loop2): ext4_discard_preallocations:4597: comm syz-executor.2: Error -117 reading block bitmap for 0
[  256.355954][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  256.355954][  T112] 
[  256.372803][T10308] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  256.390017][T10308] EXT4-fs error (device loop2): ext4_ext_truncate:4450: inode #19: comm syz-executor.2: mark_inode_dirty error
[  256.403187][T10308] EXT4-fs error (device loop2) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  256.413603][T10308] EXT4-fs error (device loop2): ext4_truncate:4390: inode #19: comm syz-executor.2: mark_inode_dirty error
[  256.655505][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  256.682104][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  256.698382][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  256.698382][  T112] 
[  256.709937][T10325] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  256.764172][T10333] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  256.774898][T10330] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  256.791063][T10327] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  256.812569][T10332] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  256.877366][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  256.918184][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  256.931526][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  256.931526][  T293] 
[  256.944275][T10327] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 467: comm syz-executor.3: lblock 339 mapped to illegal pblock 467 (length 1)
[  256.961149][T10327] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  256.965327][  T363] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  256.976429][T10327] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  257.005768][T10327] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  257.016053][T10327] EXT4-fs error (device loop3): ext4_ext_truncate:4450: inode #19: comm syz-executor.3: mark_inode_dirty error
[  257.028593][T10327] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  257.039290][T10348] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  257.043577][  T363] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.049128][T10327] EXT4-fs error (device loop3): ext4_truncate:4390: inode #19: comm syz-executor.3: mark_inode_dirty error
[  257.061855][  T363] EXT4-fs (loop1): This should not happen!! Data will be lost
[  257.061855][  T363] 
[  257.114524][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  257.129660][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  257.136447][  T363] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  257.144581][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.171988][  T363] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.179130][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  257.179130][  T293] 
[  257.196792][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.211439][  T363] EXT4-fs (loop5): This should not happen!! Data will be lost
[  257.211439][  T363] 
[  257.222768][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  257.222768][    T7] 
[  257.252164][T10356] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  257.274681][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  257.285320][T10358] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  257.295324][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.311788][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  257.311788][    T7] 
[  257.383282][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  257.410016][T10364] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  257.430446][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.442705][T10372] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  257.445549][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  257.445549][    T7] 
[  257.484707][  T363] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  257.532267][  T363] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.552522][  T363] EXT4-fs (loop1): This should not happen!! Data will be lost
[  257.552522][  T363] 
[  257.565007][T10380] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  257.577839][T10369] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  257.694291][  T363] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  257.713800][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  257.725776][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  257.729984][  T363] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.749431][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.756050][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.770514][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  257.770514][  T293] 
[  257.783091][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  257.783091][    T7] 
[  257.794826][  T112] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  257.811377][  T363] EXT4-fs (loop5): This should not happen!! Data will be lost
[  257.811377][  T363] 
[  257.831831][  T112] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  257.846664][  T112] EXT4-fs (loop3): This should not happen!! Data will be lost
[  257.846664][  T112] 
[  257.873892][T10392] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  258.071424][T10402] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  258.071457][T10399] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  258.091464][T10397] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  258.127777][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  258.148115][  T363] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  258.170544][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  258.184768][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  258.184768][  T112] 
[  258.201291][T10404] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  258.201608][  T363] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  258.229350][T10408] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  258.229701][  T363] EXT4-fs (loop1): This should not happen!! Data will be lost
[  258.229701][  T363] 
[  258.251095][  T112] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  258.282301][  T363] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  258.288373][  T112] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  258.316946][  T112] EXT4-fs (loop0): This should not happen!! Data will be lost
[  258.316946][  T112] 
[  258.328971][  T363] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  258.342293][  T363] EXT4-fs (loop4): This should not happen!! Data will be lost
[  258.342293][  T363] 
[  258.394223][  T363] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  258.409195][  T363] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  258.422752][  T363] EXT4-fs (loop3): This should not happen!! Data will be lost
[  258.422752][  T363] 
[  258.451626][T10422] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  258.494385][  T363] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  258.511147][  T363] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  258.524317][  T363] EXT4-fs (loop5): This should not happen!! Data will be lost
[  258.524317][  T363] 
[  258.571439][T10428] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  258.580639][T10430] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  258.582588][T10431] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  258.641828][  T363] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  258.657082][  T363] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  258.679942][  T363] EXT4-fs (loop2): This should not happen!! Data will be lost
[  258.679942][  T363] 
[  258.694526][T10442] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  258.709619][T10430] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm syz-executor.0: bad extent address lblock: 223, depth: 1 pblock 0
[  258.761244][T10430] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  258.781412][T10444] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  258.787640][T10430] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  258.811076][T10431] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0
[  258.817748][T10430] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  258.836577][T10430] EXT4-fs error (device loop0): ext4_ext_truncate:4450: inode #19: comm syz-executor.0: mark_inode_dirty error
[  258.848977][T10430] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  258.849224][  T363] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  258.860295][T10430] EXT4-fs error (device loop0): ext4_truncate:4390: inode #19: comm syz-executor.0: mark_inode_dirty error
[  258.898255][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  258.914771][T10444] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 322: comm syz-executor.3: lblock 194 mapped to illegal pblock 322 (length 1)
[  258.915404][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  258.939539][T10431] EXT4-fs error (device loop1): ext4_discard_preallocations:4597: comm syz-executor.1: Error -117 reading block bitmap for 0
[  258.943595][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  258.943595][    T7] 
[  258.969403][  T363] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  258.973356][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  258.983031][  T363] EXT4-fs (loop4): This should not happen!! Data will be lost
[  258.983031][  T363] 
[  259.023035][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  259.026583][T10444] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  259.050715][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  259.052459][T10455] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  259.064818][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  259.074952][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  259.074952][  T293] 
[  259.094568][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  259.094568][    T7] 
[  259.098791][T10444] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  259.144698][T10444] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  259.164195][T10444] EXT4-fs error (device loop3): ext4_ext_truncate:4450: inode #19: comm syz-executor.3: mark_inode_dirty error
[  259.177061][T10444] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  259.187608][T10444] EXT4-fs error (device loop3): ext4_truncate:4390: inode #19: comm syz-executor.3: mark_inode_dirty error
[  259.248752][  T293] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  259.264754][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  259.295927][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  259.299384][  T293] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  259.310054][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  259.310054][    T7] 
[  259.332139][T10461] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  259.334023][  T293] EXT4-fs (loop3): This should not happen!! Data will be lost
[  259.334023][  T293] 
[  259.347578][T10465] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  259.367802][T10463] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  259.411911][T10472] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  259.470928][  T293] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  259.494701][  T293] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  259.509644][  T293] EXT4-fs (loop1): This should not happen!! Data will be lost
[  259.509644][  T293] 
[  259.512854][T10480] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  259.552327][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  259.553097][T10480] EXT4-fs error (device loop0): ext4_write_end:1367: inode #19: comm syz-executor.0: mark_inode_dirty error
[  259.586690][T10480] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  259.602343][T10482] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  259.605250][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  259.624308][T10480] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  259.624481][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  259.624481][    T7] 
[  259.660712][  T363] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  259.678250][T10487] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  259.695715][  T363] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  259.721537][T10487] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  259.742317][  T363] EXT4-fs (loop0): This should not happen!! Data will be lost
[  259.742317][  T363] 
[  259.750586][T10490] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  259.765255][  T363] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  259.789548][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  259.789685][  T363] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  259.819190][  T363] EXT4-fs (loop5): This should not happen!! Data will be lost
[  259.819190][  T363] 
[  259.836060][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  259.836265][T10485] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  259.849510][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  259.849510][    T7] 
[  259.862245][T10490] EXT4-fs error (device loop1): ext4_map_blocks:740: inode #19: block 344: comm syz-executor.1: lblock 216 mapped to illegal pblock 344 (length 1)
[  259.898515][T10490] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0
[  259.914845][T10490] EXT4-fs error (device loop1): ext4_discard_preallocations:4597: comm syz-executor.1: Error -117 reading block bitmap for 0
[  259.929407][T10490] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  259.939828][T10490] EXT4-fs error (device loop1): ext4_ext_truncate:4450: inode #19: comm syz-executor.1: mark_inode_dirty error
[  259.954366][T10490] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  259.965867][T10490] EXT4-fs error (device loop1): ext4_truncate:4390: inode #19: comm syz-executor.1: mark_inode_dirty error
[  260.014080][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  260.043291][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  260.059485][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  260.059485][    T7] 
[  260.060300][T10497] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  260.082155][T10502] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  260.114652][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  260.138864][T10510] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  260.144888][T10511] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  260.150314][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  260.173497][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  260.173497][    T7] 
[  260.220264][  T293] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  260.250570][  T293] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  260.265920][  T293] EXT4-fs (loop0): This should not happen!! Data will be lost
[  260.265920][  T293] 
[  260.301791][T10520] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
2025/10/24 17:07:02 executed programs: 1882
[  260.382408][  T293] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:3: bad extent address lblock: 0, depth: 1 pblock 0
[  260.397996][  T363] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  260.402154][  T293] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  260.413721][  T363] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  260.429047][  T293] EXT4-fs (loop4): This should not happen!! Data will be lost
[  260.429047][  T293] 
[  260.451608][  T363] EXT4-fs (loop5): This should not happen!! Data will be lost
[  260.451608][  T363] 
[  260.462647][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  260.482846][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  260.499802][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  260.499802][    T7] 
[  260.521471][T10529] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  260.533401][T10527] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  260.645763][T10542] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  260.738069][T10538] EXT4-fs error (device loop1): ext4_read_block_bitmap_nowait:476: comm syz-executor.1: Invalid block bitmap block 0 in block_group 0
[  260.770993][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  260.839238][T10541] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
[  260.845824][T10538] EXT4-fs error (device loop1): ext4_discard_preallocations:4597: comm syz-executor.1: Error -117 reading block bitmap for 0
[  260.849404][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  260.881409][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  260.923337][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  260.923337][    T7] 
[  260.939017][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  260.953782][  T417] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  260.971058][  T417] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  260.984414][  T417] EXT4-fs (loop5): This should not happen!! Data will be lost
[  260.984414][  T417] 
[  260.997313][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  260.997313][  T112] 
[  261.132741][  T417] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  261.148730][  T417] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  261.163107][  T417] EXT4-fs (loop3): This should not happen!! Data will be lost
[  261.163107][  T417] 
[  261.241025][T10556] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
[  261.245669][T10554] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
[  261.327869][T10559] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
[  261.328064][T10562] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
[  261.349027][T10564] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[  261.427178][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  261.443116][  T417] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:5: bad extent address lblock: 0, depth: 1 pblock 0
[  261.443204][  T363] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  261.488379][  T363] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  261.490466][  T417] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  261.502033][  T363] EXT4-fs (loop1): This should not happen!! Data will be lost
[  261.502033][  T363] 
[  261.514913][  T417] EXT4-fs (loop2): This should not happen!! Data will be lost
[  261.514913][  T417] 
[  261.529521][T10564] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  261.540172][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  261.555530][T10564] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  261.570128][T10573] EXT4-fs error (device loop3): ext4_map_blocks:740: inode #19: block 288: comm syz-executor.3: lblock 160 mapped to illegal pblock 288 (length 1)
[  261.613497][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  261.613497][  T112] 
[  261.625623][ T2918] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  261.641049][ T2918] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  261.659901][ T2918] EXT4-fs (loop0): This should not happen!! Data will be lost
[  261.659901][ T2918] 
[  261.671367][T10573] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  261.686662][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  261.701284][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  261.701399][T10573] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  261.714533][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  261.714533][    T7] 
[  261.728436][T10573] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  261.749447][T10573] EXT4-fs error (device loop3): ext4_ext_truncate:4450: inode #19: comm syz-executor.3: mark_inode_dirty error
[  261.763461][T10573] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  261.774874][T10573] EXT4-fs error (device loop3): ext4_truncate:4390: inode #19: comm syz-executor.3: mark_inode_dirty error
[  262.065898][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  262.103993][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.126993][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  262.126993][    T7] 
[  262.245063][ T2918] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  262.294541][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  262.312415][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.319809][ T2918] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.327354][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  262.327354][    T7] 
[  262.367121][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  262.375257][ T2918] EXT4-fs (loop0): This should not happen!! Data will be lost
[  262.375257][ T2918] 
[  262.394388][  T363] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  262.394448][T10590] EXT4-fs error (device loop4): ext4_read_block_bitmap_nowait:476: comm syz-executor.4: Invalid block bitmap block 0 in block_group 0
[  262.428193][T10590] EXT4-fs error (device loop4): ext4_discard_preallocations:4597: comm syz-executor.4: Error -117 reading block bitmap for 0
[  262.448036][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.450646][  T363] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.474254][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  262.474254][  T112] 
[  262.478365][  T363] EXT4-fs (loop1): This should not happen!! Data will be lost
[  262.478365][  T363] 
[  262.505619][  T363] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  262.525800][  T363] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.540449][  T363] EXT4-fs (loop4): This should not happen!! Data will be lost
[  262.540449][  T363] 
[  262.661235][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  262.718690][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.732615][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  262.732615][ T2918] 
[  262.755827][    T7] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  262.781345][    T7] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.794376][    T7] EXT4-fs (loop0): This should not happen!! Data will be lost
[  262.794376][    T7] 
[  262.899076][ T2918] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  262.899263][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  262.929828][ T2918] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.930202][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  262.944200][  T363] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  262.957162][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  262.957162][    T7] 
[  262.972871][ T2918] EXT4-fs (loop1): This should not happen!! Data will be lost
[  262.972871][ T2918] 
[  262.994925][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  263.028348][  T363] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.040480][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.041542][  T363] EXT4-fs (loop2): This should not happen!! Data will be lost
[  263.041542][  T363] 
[  263.055993][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  263.055993][    T7] 
[  263.255183][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  263.277767][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.290797][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  263.290797][    T7] 
[  263.396127][    T7] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  263.396152][  T363] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  263.416523][T10655] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 266: comm syz-executor.5: lblock 138 mapped to illegal pblock 266 (length 1)
[  263.454121][    T7] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.468883][T10655] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  263.474873][    T7] EXT4-fs (loop1): This should not happen!! Data will be lost
[  263.474873][    T7] 
[  263.489632][  T363] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.510893][T10655] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  263.511565][  T363] EXT4-fs (loop0): This should not happen!! Data will be lost
[  263.511565][  T363] 
[  263.539337][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  263.559946][T10655] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  263.571436][T10655] EXT4-fs error (device loop5): ext4_ext_truncate:4450: inode #19: comm syz-executor.5: mark_inode_dirty error
[  263.573292][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.584507][T10655] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  263.598058][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  263.598058][    T7] 
[  263.608594][  T363] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  263.619357][T10655] EXT4-fs error (device loop5): ext4_truncate:4390: inode #19: comm syz-executor.5: mark_inode_dirty error
[  263.650436][  T363] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.680217][  T363] EXT4-fs (loop4): This should not happen!! Data will be lost
[  263.680217][  T363] 
[  263.691997][    T7] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  263.713733][    T7] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.729779][    T7] EXT4-fs (loop5): This should not happen!! Data will be lost
[  263.729779][    T7] 
[  263.784338][T10677] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  263.800049][T10677] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  263.815711][  T363] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  263.830887][  T363] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.844197][  T363] EXT4-fs (loop3): This should not happen!! Data will be lost
[  263.844197][  T363] 
[  263.963155][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  263.978748][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  263.984286][T10690] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  263.993562][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  263.993562][  T112] 
[  264.068650][T10690] EXT4-fs error (device loop0): ext4_dirty_inode:6143: inode #19: comm syz-executor.0: mark_inode_dirty error
[  264.081964][T10690] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  264.111201][T10690] EXT4-fs error (device loop0): ext4_mb_discard_group_preallocations:4425: comm syz-executor.0: Error -117 reading block bitmap for 0
[  264.131919][  T112] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  264.148678][  T363] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  264.164954][T10690] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  264.168376][  T363] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.180884][  T112] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.200061][T10690] EXT4-fs error (device loop0): ext4_mb_discard_group_preallocations:4425: comm syz-executor.0: Error -117 reading block bitmap for 0
[  264.218605][  T112] EXT4-fs (loop2): This should not happen!! Data will be lost
[  264.218605][  T112] 
[  264.231885][  T363] EXT4-fs (loop4): This should not happen!! Data will be lost
[  264.231885][  T363] 
[  264.243936][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  264.244311][T10690] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  264.270225][T10690] EXT4-fs error (device loop0): ext4_dirty_inode:6143: inode #19: comm syz-executor.0: mark_inode_dirty error
[  264.282817][T10690] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  264.297426][T10690] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  264.317786][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.333730][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  264.333730][ T2918] 
[  264.365993][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  264.381008][ T2918] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.381538][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.394155][ T2918] EXT4-fs (loop0): This should not happen!! Data will be lost
[  264.394155][ T2918] 
[  264.407499][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  264.432696][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  264.432696][    T7] 
[  264.436694][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.457149][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  264.457149][  T112] 
[  264.772543][T10732] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  264.809493][    T7] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  264.825647][T10732] EXT4-fs error (device loop1): ext4_ext_truncate:4450: inode #19: comm syz-executor.1: mark_inode_dirty error
[  264.837516][  T112] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  264.856534][T10732] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  264.866697][    T7] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.890639][T10732] EXT4-fs error (device loop1): ext4_truncate:4390: inode #19: comm syz-executor.1: mark_inode_dirty error
[  264.892922][  T112] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.916879][  T112] EXT4-fs (loop5): This should not happen!! Data will be lost
[  264.916879][  T112] 
[  264.928461][  T363] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  264.930469][    T7] EXT4-fs (loop2): This should not happen!! Data will be lost
[  264.930469][    T7] 
[  264.958771][    T7] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  264.975726][    T7] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.982742][  T363] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  264.994339][    T7] EXT4-fs (loop4): This should not happen!! Data will be lost
[  264.994339][    T7] 
[  265.016971][  T363] EXT4-fs (loop0): This should not happen!! Data will be lost
[  265.016971][  T363] 
[  265.039020][    T7] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:0: bad extent address lblock: 0, depth: 1 pblock 0
[  265.055051][    T7] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  265.057226][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  265.068219][    T7] EXT4-fs (loop3): This should not happen!! Data will be lost
[  265.068219][    T7] 
[  265.099126][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  265.113790][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  265.113790][  T112] 
2025/10/24 17:07:07 executed programs: 1928
[  265.412852][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  265.469269][ T2918] EXT4-fs error (device loop2): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  265.469688][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  265.497340][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  265.497340][  T112] 
[  265.534403][ T2918] EXT4-fs (loop2): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  265.553280][ T2918] EXT4-fs (loop2): This should not happen!! Data will be lost
[  265.553280][ T2918] 
[  265.565243][T10764] EXT4-fs error (device loop0): ext4_read_block_bitmap_nowait:476: comm syz-executor.0: Invalid block bitmap block 0 in block_group 0
[  265.586343][T10775] EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:476: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0
[  265.586594][ T2918] EXT4-fs error (device loop5): ext4_map_blocks:740: inode #19: block 112: comm kworker/u4:7: lblock 0 mapped to illegal pblock 112 (length 1)
[  265.603997][T10775] EXT4-fs error (device loop3): ext4_discard_preallocations:4597: comm syz-executor.3: Error -117 reading block bitmap for 0
[  265.623170][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 1 with error 117
[  265.634746][T10764] EXT4-fs error (device loop0): ext4_discard_preallocations:4597: comm syz-executor.0: Error -117 reading block bitmap for 0
[  265.648263][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  265.648263][ T2918] 
[  265.662511][  T112] EXT4-fs error (device loop1): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  265.688501][  T363] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  265.706503][  T112] EXT4-fs (loop1): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  265.707727][  T363] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  265.736220][ T2918] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  265.751998][  T363] EXT4-fs (loop0): This should not happen!! Data will be lost
[  265.751998][  T363] 
[  265.760599][ T2918] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  265.765216][  T112] EXT4-fs (loop1): This should not happen!! Data will be lost
[  265.765216][  T112] 
[  265.778606][ T2918] EXT4-fs (loop3): This should not happen!! Data will be lost
[  265.778606][ T2918] 
[  266.107439][T10794] ==================================================================
[  266.116793][T10794] BUG: KASAN: out-of-bounds in ext4_ext_insert_extent+0x204f/0x4530
[  266.125224][T10794] Read of size 18446744068927242256 at addr ffff88811d0c3ffc by task syz-executor.2/10794
[  266.136456][T10794] 
[  266.138894][T10794] CPU: 1 PID: 10794 Comm: syz-executor.2 Not tainted syzkaller #0
[  266.144327][T10798] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm syz-executor.5: bad extent address lblock: 329, depth: 1 pblock 0
[  266.146952][T10794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  266.146976][T10794] Call Trace:
[  266.176471][T10794]  __dump_stack+0x21/0x24
[  266.180895][T10794]  dump_stack_lvl+0x169/0x1d8
[  266.185906][T10794]  ? show_regs_print_info+0x18/0x18
[  266.191464][T10794]  ? thaw_kernel_threads+0x220/0x220
[  266.197118][T10794]  ? __kasan_check_write+0x14/0x20
[  266.202418][T10794]  print_address_description+0x7f/0x2c0
[  266.208589][T10794]  ? ext4_ext_insert_extent+0x204f/0x4530
[  266.214796][T10794]  kasan_report+0xe2/0x130
[  266.219493][T10794]  ? ext4_ext_insert_extent+0x204f/0x4530
[  266.225450][T10794]  ? ext4_ext_insert_extent+0x204f/0x4530
[  266.230701][T10798] EXT4-fs error (device loop5): ext4_read_block_bitmap_nowait:476: comm syz-executor.5: Invalid block bitmap block 0 in block_group 0
[  266.231298][T10794]  kasan_check_range+0x280/0x290
[  266.231309][T10794]  memmove+0x2d/0x70
[  266.231328][T10794]  ext4_ext_insert_extent+0x204f/0x4530
[  266.246674][T10798] EXT4-fs error (device loop5): ext4_discard_preallocations:4597: comm syz-executor.5: Error -117 reading block bitmap for 0
[  266.251576][T10794]  ? ext4_ext_next_allocated_block+0x2e0/0x2e0
[  266.251585][T10794]  ? get_implied_cluster_alloc+0x526/0x940
[  266.251595][T10794]  ext4_ext_map_blocks+0x148f/0x5d40
[  266.251694][T10794]  ? is_bpf_text_address+0x177/0x190
[  266.268659][T10798] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  266.275043][T10794]  ? __kernel_text_address+0xa0/0x100
[  266.275094][T10794]  ? unwind_get_return_address+0x4d/0x90
[  266.292102][T10798] EXT4-fs error (device loop5): ext4_ext_truncate:4450: inode #19: comm syz-executor.5: mark_inode_dirty error
[  266.293976][T10794]  ? ext4_ext_release+0x10/0x10
[  266.294016][T10794]  ? arch_stack_walk+0xee/0x140
[  266.294034][T10794]  ? ext4_es_lookup_extent+0x32d/0x8c0
[  266.302539][T10798] EXT4-fs error (device loop5) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  266.310205][T10794]  ext4_map_blocks+0x978/0x1bc0
[  266.310226][T10794]  ? __kasan_slab_alloc+0xbd/0xf0
[  266.330142][T10798] EXT4-fs error (device loop5): ext4_truncate:4390: inode #19: comm syz-executor.5: mark_inode_dirty error
[  266.335193][T10794]  ? slab_post_alloc_hook+0x5d/0x2f0
[  266.335211][T10794]  ? kmem_cache_alloc+0x165/0x2e0
[  266.341136][T10822] EXT4-fs error (device loop1) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  266.345984][T10794]  ? do_syscall_64+0x31/0x40
[  266.346006][T10794]  ? ext4_issue_zeroout+0x1a0/0x1a0
[  266.372078][T10823] EXT4-fs error (device loop3) in ext4_reserve_inode_write:5933: Corrupt filesystem
[  266.372319][T10794]  _ext4_get_block+0x1bb/0x4b0
[  266.431989][T10794]  ? ext4_get_block+0x50/0x50
[  266.436847][T10794]  ? slab_post_alloc_hook+0x7d/0x2f0
[  266.442644][T10794]  ext4_get_block_unwritten+0x2a/0x40
[  266.448817][T10794]  ext4_block_write_begin+0x567/0x1330
[  266.454736][T10794]  ? alloc_page_buffers+0x34f/0x4a0
[  266.460296][T10794]  ? _ext4_get_block+0x4b0/0x4b0
[  266.465681][T10794]  ? ext4_print_free_blocks+0x2c0/0x2c0
[  266.471737][T10794]  ? __kasan_check_read+0x11/0x20
[  266.476967][T10794]  ? ext4_inode_journal_mode+0x19a/0x480
[  266.482820][T10794]  ext4_write_begin+0x651/0x15a0
[  266.488283][T10794]  ? ext4_readahead+0x110/0x110
[  266.493874][T10794]  ? can_reuse_spf_vma+0xe0/0xe0
[  266.499318][T10794]  ? __ext4_get_inode_loc+0x544/0xc20
[  266.505299][T10794]  ? __kasan_check_write+0x14/0x20
[  266.511094][T10794]  ? down_read_trylock+0x100/0x150
[  266.516770][T10794]  ? __init_rwsem+0x1c0/0x1c0
[  266.521740][T10794]  ext4_da_write_begin+0x455/0xe80
[  266.527362][T10794]  ? up_read+0x12/0x50
[  266.531967][T10794]  ? ext4_set_page_dirty+0x1a0/0x1a0
[  266.537825][T10794]  ? __ext4_journal_stop+0x36/0x1a0
[  266.543794][T10794]  ? exc_page_fault+0x67/0xc0
[  266.548779][T10794]  ? asm_exc_page_fault+0x1e/0x30
[  266.554407][T10794]  ? __get_user_nocheck_1+0x6/0x10
[  266.559788][T10794]  generic_perform_write+0x2be/0x510
[  266.565950][T10794]  ? grab_cache_page_write_begin+0xb0/0xb0
[  266.571914][T10794]  ? down_write+0xac/0x110
[  266.576568][T10794]  ? down_read_killable+0xe0/0xe0
[  266.581984][T10794]  ? generic_write_checks+0x3d4/0x480
[  266.587598][T10794]  ext4_buffered_write_iter+0x4b8/0x640
[  266.593811][T10794]  ext4_file_write_iter+0x536/0x1980
[  266.599774][T10794]  ? futex_wake+0x4b4/0x550
[  266.604708][T10794]  ? avc_policy_seqno+0x1b/0x70
[  266.610288][T10794]  ? selinux_file_permission+0x2a5/0x510
[  266.617001][T10794]  ? ext4_file_read_iter+0x530/0x530
[  266.622626][T10794]  ? security_file_permission+0x83/0xa0
[  266.628975][T10794]  ? iov_iter_init+0x3f/0x120
[  266.633640][T10794]  vfs_write+0x725/0xd60
[  266.638313][T10794]  ? __kasan_slab_free+0x11/0x20
[  266.643664][T10794]  ? kernel_write+0x3c0/0x3c0
[  266.648685][T10794]  ? mutex_trylock+0xa0/0xa0
[  266.653467][T10794]  ? __fget_files+0x2c4/0x320
[  266.658494][T10794]  ? __fdget_pos+0x2d2/0x380
[  266.663546][T10794]  ? ksys_write+0x71/0x240
[  266.668206][T10794]  ksys_write+0x140/0x240
[  266.672775][T10794]  ? __ia32_sys_read+0x90/0x90
[  266.678005][T10794]  ? ____fput+0x15/0x20
[  266.682750][T10794]  ? __kasan_check_read+0x11/0x20
[  266.688013][T10794]  __x64_sys_write+0x7b/0x90
[  266.692850][T10794]  do_syscall_64+0x31/0x40
[  266.697598][T10794]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  266.703852][T10794] RIP: 0033:0x7fbbaec338d9
[  266.708370][T10794] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  266.728754][T10794] RSP: 002b:00007fbbae7b60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  266.737437][T10794] RAX: ffffffffffffffda RBX: 00007fbbaed52f80 RCX: 00007fbbaec338d9
[  266.745400][T10794] RDX: 000000000208e24b RSI: 0000000020000000 RDI: 0000000000000006
[  266.753716][T10794] RBP: 00007fbbaec8fad0 R08: 0000000000000000 R09: 0000000000000000
[  266.762290][T10794] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  266.770582][T10794] R13: 000000000000000b R14: 00007fbbaed52f80 R15: 00007ffff3294e58
[  266.778711][T10794] 
[  266.781369][T10794] The buggy address belongs to the page:
[  266.787365][T10794] page:ffffea00047430c0 refcount:2 mapcount:0 mapping:ffff888109197e10 index:0x80 pfn:0x11d0c3
[  266.798388][T10794] aops:def_blk_aops ino:0
[  266.803130][T10794] flags: 0x4000000000022036(referenced|uptodate|lru|active|private|mappedtodisk)
[  266.813041][T10794] raw: 4000000000022036 ffffea000458c0c8 ffffea0004812308 ffff888109197e10
[  266.822482][T10794] raw: 0000000000000080 ffff88812704bdc8 00000002ffffffff ffff888100138000
[  266.831485][T10794] page dumped because: kasan: bad access detected
[  266.838327][T10794] page->mem_cgroup:ffff888100138000
[  266.843585][T10794] page_owner tracks the page as allocated
[  266.849382][T10794] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 408, ts 265833776164, free_ts 265830163354
[  266.866489][T10794]  prep_new_page+0x179/0x180
[  266.871245][T10794]  get_page_from_freelist+0x2235/0x23d0
[  266.876852][T10794]  __alloc_pages_nodemask+0x268/0x5f0
[  266.882395][T10794]  page_cache_ra_unbounded+0x2c8/0x7d0
[  266.888379][T10794]  force_page_cache_ra+0x3a9/0x400
[  266.893656][T10794]  page_cache_sync_ra+0x237/0x2a0
[  266.899293][T10794]  generic_file_buffered_read+0x55b/0x2730
[  266.905335][T10794]  generic_file_read_iter+0x116/0x560
[  266.910923][T10794]  blkdev_read_iter+0x12f/0x160
[  266.916126][T10794]  vfs_read+0x874/0xa10
[  266.920657][T10794]  ksys_read+0x140/0x240
[  266.925131][T10794]  __x64_sys_read+0x7b/0x90
[  266.929876][T10794]  do_syscall_64+0x31/0x40
[  266.934834][T10794]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  266.941199][T10794] page last free stack trace:
[  266.946136][T10794]  free_unref_page_prepare+0x2b7/0x2d0
[  266.952439][T10794]  free_unref_page_list+0x12e/0x9b0
[  266.958344][T10794]  release_pages+0xe38/0xe80
[  266.963272][T10794]  __pagevec_release+0x71/0xe0
[  266.968261][T10794]  __invalidate_mapping_pages+0x887/0x920
[  266.974417][T10794]  invalidate_mapping_pages+0x27/0x30
[  266.979955][T10794]  invalidate_bdev+0xa3/0x140
[  266.984930][T10794]  ext4_put_super+0x669/0x9c0
[  266.990200][T10794]  generic_shutdown_super+0x149/0x320
[  266.995985][T10794]  kill_block_super+0x7f/0xf0
[  267.001130][T10794]  deactivate_locked_super+0xa0/0x100
[  267.006669][T10794]  deactivate_super+0xaf/0xe0
[  267.011683][T10794]  cleanup_mnt+0x446/0x500
[  267.016344][T10794]  __cleanup_mnt+0x19/0x20
[  267.021363][T10794]  task_work_run+0x127/0x190
[  267.026446][T10794]  exit_to_user_mode_loop+0xcb/0xe0
[  267.032190][T10794] 
[  267.034669][T10794] Memory state around the buggy address:
[  267.040622][T10794]  ffff88811d0c3e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  267.048975][T10794]  ffff88811d0c3f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  267.057364][T10794] >ffff88811d0c3f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  267.065665][T10794]                                                                 ^
[  267.074003][T10794]  ffff88811d0c4000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[  267.082393][T10794]  ffff88811d0c4080: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[  267.091688][T10794] ==================================================================
[  267.100521][T10794] Disabling lock debugging due to kernel taint
[  267.108353][  T112] EXT4-fs error (device loop4): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:2: bad extent address lblock: 0, depth: 1 pblock 0
[  267.113023][   T24] audit: type=1400 audit(1761325628.840:100): avc:  denied  { read } for  pid=76 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1
[  267.148203][  T112] EXT4-fs (loop4): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  267.161937][  T363] EXT4-fs error (device loop0): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  267.163390][T10823] EXT4-fs error (device loop3): ext4_dirty_inode:6143: inode #19: comm syz-executor.3: mark_inode_dirty error
[  267.191342][ T2918] EXT4-fs error (device loop5): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:7: bad extent address lblock: 0, depth: 1 pblock 0
[  267.207997][  T112] EXT4-fs (loop4): This should not happen!! Data will be lost
[  267.207997][  T112] 
[  267.219146][ T2918] EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  267.230432][T10822] EXT4-fs error (device loop1): ext4_dirty_inode:6143: inode #19: comm syz-executor.1: mark_inode_dirty error
[  267.232202][  T363] EXT4-fs (loop0): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  267.258317][  T363] EXT4-fs (loop0): This should not happen!! Data will be lost
[  267.258317][  T363] 
[  267.268635][ T2918] EXT4-fs (loop5): This should not happen!! Data will be lost
[  267.268635][ T2918] 
[  267.279778][   T24] audit: type=1400 audit(1761325628.840:101): avc:  denied  { search } for  pid=76 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[  267.301239][  T363] EXT4-fs error (device loop3): ext4_ext_map_blocks:4178: inode #19: comm kworker/u4:4: bad extent address lblock: 0, depth: 1 pblock 0
[  267.311767][   T24] audit: type=1400 audit(1761325628.840:102): avc:  denied  { write } for  pid=76 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[  267.340085][T10822] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
Connection to 10.128.0.85 closed by remote host.
[  267.340574][  T363] EXT4-fs (loop3): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117
[  267.352402][T10822] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[  267.352414][T10822] CPU: 1 PID: 10822 Comm: syz-executor.1 Tainted: G    B             syzkaller #0
[  267.352428][T10822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[  267.390470][  T363] EXT4-fs (loop3): This should not happen!! Data will be lost
[  267.390470][  T363] 
[  267.395315][T10822] RIP: 0010:__rb_insert_augmented+0xa9/0x720
[  267.406605][T10793] Kernel panic - not syncing: corrupted stack end detected inside scheduler
[  267.412292][T10822] Code: 46 ff 49 8b 07 a8 01 0f 85 53 06 00 00 4c 89 65 c8 48 89 45 d0 4c 8d 70 08 4c 89 f3 48 c1 eb 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 03 00 74 08 4c 89 f7 e8 f9 5a 46 ff 4d 8b 26 4d 39 fc 74 34
[  267.442544][T10822] RSP: 0018:ffffc9000216faa0 EFLAGS: 00010202
[  267.448958][T10822] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: dffffc0000000000
[  267.458457][T10822] RDX: ffffffff819659e0 RSI: ffff88811a83b208 RDI: ffff888120481e00
[  267.467051][T10822] RBP: ffffc9000216fb00 R08: dffffc0000000000 R09: ffff888120481e08
[  267.475212][T10822] R10: ffffed10240903c3 R11: 1ffff110240903c1 R12: ffff888120481e00
[  267.483359][T10822] R13: 1ffff11022bfaa04 R14: 0000000000000008 R15: ffff888115fd5020
[  267.491864][T10822] FS:  00007f8b462bf6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[  267.501065][T10822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  267.508814][T10822] CR2: 00007ffe8dc36ca8 CR3: 0000000119a7f000 CR4: 00000000003506a0
[  267.519121][T10822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  267.528405][T10822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  267.537292][T10822] Call Trace:
[  267.542478][T10822]  ? down_write+0xac/0x110
[  267.548731][T10822]  ? trace_raw_output_vm_unmapped_area+0x210/0x210
[  267.555708][T10822]  __vma_link_rb+0x57d/0x5a0
[  267.560811][T10822]  vma_link+0xc3/0x280
[  267.564955][T10822]  mmap_region+0x13ec/0x1a10
[  267.570088][T10822]  do_mmap+0x801/0xeb0
[  267.574513][T10822]  vm_mmap_pgoff+0x1e0/0x340
[  267.579373][T10822]  ? account_locked_vm+0x1a0/0x1a0
[  267.584938][T10822]  ksys_mmap_pgoff+0x16f/0x1e0
[  267.590025][T10822]  __x64_sys_mmap+0xfa/0x110
[  267.596133][T10822]  do_syscall_64+0x31/0x40
[  267.601303][T10822]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  267.609519][T10822] RIP: 0033:0x7f8b4e95d8d9
[  267.615076][T10822] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  267.637737][T10822] RSP: 002b:00007f8b462bf0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[  267.647039][T10822] RAX: ffffffffffffffda RBX: 00007f8b4ea7d050 RCX: 00007f8b4e95d8d9
[  267.655441][T10822] RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000000020000000
[  267.663885][T10822] RBP: 00007f8b4e9b9ad0 R08: 0000000000000006 R09: 0000000000000000
[  267.672168][T10822] R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
[  267.680631][T10822] R13: 000000000000006e R14: 00007f8b4ea7d050 R15: 00007ffc3dc5e9d8
[  267.689104][T10822] Modules linked in:
[  267.693581][T10793] Kernel Offset: disabled
[  267.698561][T10793] Rebooting in 86400 seconds..