r (device loop4): ext4_validate_block_bitmap:441: comm syz.4.479: bg 0: block 32: padding at end of block bitmap is not set [ 247.141077][ T7999] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 247.187944][ T7998] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.480: bg 0: block 32: padding at end of block bitmap is not set [ 247.193295][ T8000] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.481: bg 0: block 32: padding at end of block bitmap is not set [ 247.219236][ T8000] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 247.232081][ T7998] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 247.536737][ T8012] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.486: bg 0: block 32: padding at end of block bitmap is not set [ 247.602746][ T8012] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 247.678785][ T5768] Bluetooth: hci3: command 0x0406 tx timeout [ 247.701357][ T5766] Bluetooth: hci5: command 0x0406 tx timeout [ 247.701397][ T5766] Bluetooth: hci4: command 0x0406 tx timeout [ 247.701425][ T5766] Bluetooth: hci2: command 0x0406 tx timeout [ 247.701452][ T5766] Bluetooth: hci1: command 0x0406 tx timeout [ 248.031837][ T8022] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.483: bg 0: block 32: padding at end of block bitmap is not set [ 248.135002][ T8022] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 248.242442][ T8029] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.485: bg 0: block 32: padding at end of block bitmap is not set [ 248.261746][ T8029] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 2026/06/01 19:35:33 executed programs: 481 [ 248.291443][ T8021] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.484: bg 0: block 32: padding at end of block bitmap is not set [ 248.293044][ T8021] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 248.647151][ T8034] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.487: bg 0: block 32: padding at end of block bitmap is not set [ 248.648756][ T8034] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 249.011310][ T8044] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.488: bg 0: block 32: padding at end of block bitmap is not set [ 249.042495][ T8044] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 249.505595][ T8055] set_capacity_and_notify: 10 callbacks suppressed [ 249.505617][ T8055] loop0: detected capacity change from 0 to 1024 [ 249.573487][ T8057] loop4: detected capacity change from 0 to 1024 [ 249.698789][ T8057] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.492: bg 0: block 32: padding at end of block bitmap is not set [ 249.737184][ T8055] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.493: bg 0: block 32: padding at end of block bitmap is not set [ 249.760072][ T8057] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 249.772582][ T8055] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 250.135053][ T8066] loop2: detected capacity change from 0 to 1024 [ 250.233695][ T8068] loop4: detected capacity change from 0 to 1024 [ 250.274112][ T8066] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.496: bg 0: block 32: padding at end of block bitmap is not set [ 250.292903][ T8066] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 250.351904][ T8074] loop0: detected capacity change from 0 to 1024 [ 250.380878][ T8068] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.494: bg 0: block 32: padding at end of block bitmap is not set [ 250.381712][ T8068] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 250.449642][ T8074] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.495: bg 0: block 32: padding at end of block bitmap is not set [ 250.474105][ T8074] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 250.710755][ T8078] loop3: detected capacity change from 0 to 1024 [ 250.767367][ T8080] loop2: detected capacity change from 0 to 1024 [ 250.828139][ T8084] loop1: detected capacity change from 0 to 1024 [ 250.834473][ T8078] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.498: bg 0: block 32: padding at end of block bitmap is not set [ 250.864864][ T8080] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.497: bg 0: block 32: padding at end of block bitmap is not set [ 250.868396][ T8078] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 250.874085][ T8080] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 250.972342][ T8085] loop4: detected capacity change from 0 to 1024 [ 251.097151][ T8090] loop0: detected capacity change from 0 to 1024 [ 251.120908][ T8084] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.501: bg 0: block 32: padding at end of block bitmap is not set [ 251.144119][ T8084] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 251.293391][ T8085] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.499: bg 0: block 32: padding at end of block bitmap is not set [ 251.298547][ T8085] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 251.301914][ T8090] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.500: bg 0: block 32: padding at end of block bitmap is not set [ 251.401807][ T8090] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 251.534437][ T8099] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.503: bg 0: block 32: padding at end of block bitmap is not set [ 251.561107][ T8099] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 251.733347][ T8102] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.502: bg 0: block 32: padding at end of block bitmap is not set [ 251.744094][ T8102] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 251.798766][ T8110] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.504: bg 0: block 32: padding at end of block bitmap is not set [ 251.803961][ T8110] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 252.274213][ T8114] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.506: bg 0: block 32: padding at end of block bitmap is not set [ 252.308044][ T8114] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 252.549202][ T8123] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.508: bg 0: block 32: padding at end of block bitmap is not set [ 252.555286][ T8123] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 252.586393][ T8125] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.509: bg 0: block 32: padding at end of block bitmap is not set [ 252.620534][ T8125] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 253.110842][ T8133] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.511: bg 0: block 32: padding at end of block bitmap is not set [ 253.117341][ T8133] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 253.232897][ T8131] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.510: bg 0: block 32: padding at end of block bitmap is not set [ 253.233978][ T8131] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 2026/06/01 19:35:38 executed programs: 507 [ 253.522187][ T8142] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.514: bg 0: block 32: padding at end of block bitmap is not set [ 253.530712][ T8142] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 253.776286][ T8146] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.513: bg 0: block 32: padding at end of block bitmap is not set [ 253.805082][ T8146] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 253.936597][ T8152] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.515: bg 0: block 32: padding at end of block bitmap is not set [ 253.958224][ T8152] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 254.217294][ T8151] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.516: bg 0: block 32: padding at end of block bitmap is not set [ 254.218628][ T8151] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 254.524177][ T8166] set_capacity_and_notify: 13 callbacks suppressed [ 254.524198][ T8166] loop2: detected capacity change from 0 to 1024 [ 254.524398][ T8160] loop1: detected capacity change from 0 to 1024 [ 254.560141][ T8158] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.519: bg 0: block 32: padding at end of block bitmap is not set [ 254.562114][ T8158] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 254.666901][ T8166] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.521: bg 0: block 32: padding at end of block bitmap is not set [ 254.675471][ T8166] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 254.716889][ T8160] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.517: bg 0: block 32: padding at end of block bitmap is not set [ 254.717732][ T8160] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 255.101294][ T8174] loop4: detected capacity change from 0 to 1024 [ 255.150334][ T8178] loop3: detected capacity change from 0 to 1024 [ 255.238054][ T8174] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.520: bg 0: block 32: padding at end of block bitmap is not set [ 255.282279][ T8174] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 255.425679][ T8178] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.522: bg 0: block 32: padding at end of block bitmap is not set [ 255.431489][ T8178] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 255.613619][ T8186] loop0: detected capacity change from 0 to 1024 [ 255.662797][ T8187] loop1: detected capacity change from 0 to 1024 [ 255.842526][ T1338] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.842643][ T1338] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.871965][ T8187] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.524: bg 0: block 32: padding at end of block bitmap is not set [ 255.901437][ T8187] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 255.946836][ T8194] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.526: bg 0: block 32: padding at end of block bitmap is not set [ 255.967258][ T8194] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 256.018895][ T8196] loop4: detected capacity change from 0 to 1024 [ 256.028275][ T8192] loop3: detected capacity change from 0 to 1024 [ 256.262676][ T8196] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.525: bg 0: block 32: padding at end of block bitmap is not set [ 256.264599][ T8192] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.527: bg 0: block 32: padding at end of block bitmap is not set [ 256.271672][ T8196] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 256.343499][ T8192] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 256.640874][ T8206] loop0: detected capacity change from 0 to 1024 [ 256.752183][ T8206] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.529: bg 0: block 32: padding at end of block bitmap is not set [ 256.779582][ T8206] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 257.173396][ T8217] loop0: detected capacity change from 0 to 1024 [ 257.253775][ T8217] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.532: bg 0: block 32: padding at end of block bitmap is not set [ 257.287702][ T8217] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 257.381242][ T8224] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.533: bg 0: block 32: padding at end of block bitmap is not set [ 257.383638][ T8224] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 257.841109][ T8226] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.534: bg 0: block 32: padding at end of block bitmap is not set [ 257.843441][ T8226] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 258.112288][ T8234] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.537: bg 0: block 32: padding at end of block bitmap is not set [ 258.133132][ T8234] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem 2026/06/01 19:35:44 executed programs: 532 [ 258.529716][ T8240] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.538: bg 0: block 32: padding at end of block bitmap is not set [ 258.566664][ T8240] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 258.636148][ T8244] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.539: bg 0: block 32: padding at end of block bitmap is not set [ 258.654178][ T8244] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 259.029084][ T8248] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.540: bg 0: block 32: padding at end of block bitmap is not set [ 259.033929][ T8248] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 259.186129][ T8255] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.542: bg 0: block 32: padding at end of block bitmap is not set [ 259.189857][ T8251] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.541: bg 0: block 32: padding at end of block bitmap is not set [ 259.223545][ T8251] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 259.245148][ T8255] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 259.628676][ T8262] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.543: bg 0: block 32: padding at end of block bitmap is not set [ 259.650227][ T8262] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 259.718468][ T8264] set_capacity_and_notify: 9 callbacks suppressed [ 259.718489][ T8264] loop4: detected capacity change from 0 to 1024 [ 259.790897][ T8264] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.545: bg 0: block 32: padding at end of block bitmap is not set [ 259.791845][ T8264] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 259.869627][ T8272] loop1: detected capacity change from 0 to 1024 [ 260.188944][ T8272] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.544: bg 0: block 32: padding at end of block bitmap is not set [ 260.192681][ T8272] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 260.268492][ T8286] loop0: detected capacity change from 0 to 1024 [ 260.378057][ T8286] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.548: bg 0: block 32: padding at end of block bitmap is not set [ 260.379737][ T8286] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 260.478252][ T8291] loop2: detected capacity change from 0 to 1024 [ 260.600227][ T8291] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.550: bg 0: block 32: padding at end of block bitmap is not set [ 260.615432][ T8291] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 260.649553][ T8295] loop1: detected capacity change from 0 to 1024 [ 260.861049][ T8295] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.549: bg 0: block 32: padding at end of block bitmap is not set [ 260.893061][ T8295] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 261.011272][ T8302] loop0: detected capacity change from 0 to 1024 [ 261.112101][ T8302] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.551: bg 0: block 32: padding at end of block bitmap is not set [ 261.145510][ T8302] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 261.242004][ T8300] loop2: detected capacity change from 0 to 1024 [ 261.315876][ T8300] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.552: bg 0: block 32: padding at end of block bitmap is not set [ 261.323460][ T8300] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 261.349752][ T8306] loop1: detected capacity change from 0 to 1024 [ 261.483158][ T8306] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.553: bg 0: block 32: padding at end of block bitmap is not set [ 261.495812][ T8306] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 261.885538][ T8317] loop2: detected capacity change from 0 to 1024 [ 261.914634][ T8318] loop1: detected capacity change from 0 to 1024 [ 262.128905][ T8317] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.555: bg 0: block 32: padding at end of block bitmap is not set [ 262.211802][ T8318] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.556: bg 0: block 32: padding at end of block bitmap is not set [ 262.211896][ T8319] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.557: bg 0: block 32: padding at end of block bitmap is not set [ 262.221746][ T8318] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 262.223018][ T8319] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 262.266080][ T8317] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 262.735518][ T8334] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.561: bg 0: block 32: padding at end of block bitmap is not set [ 262.740048][ T8334] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 262.780447][ T8330] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.559: bg 0: block 32: padding at end of block bitmap is not set [ 262.792556][ T8330] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 263.032267][ T8340] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.560: bg 0: block 32: padding at end of block bitmap is not set [ 263.147256][ T8340] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 263.338170][ T8345] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.564: bg 0: block 32: padding at end of block bitmap is not set [ 263.410618][ T8345] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 2026/06/01 19:35:49 executed programs: 559 [ 264.743468][ T8365] set_capacity_and_notify: 5 callbacks suppressed [ 264.743488][ T8365] loop1: detected capacity change from 0 to 1024 [ 264.769347][ T8366] loop4: detected capacity change from 0 to 1024 [ 264.806363][ T8365] EXT4-fs mount: 164 callbacks suppressed [ 264.806387][ T8365] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 264.839034][ T8365] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.568: bg 0: block 32: padding at end of block bitmap is not set [ 264.844356][ T8365] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 264.888143][ T8366] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 264.923906][ T8366] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.567: bg 0: block 32: padding at end of block bitmap is not set [ 264.943652][ T8366] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 264.978011][ T8372] loop3: detected capacity change from 0 to 1024 [ 265.040409][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 265.107793][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 265.110866][ T8372] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 265.209073][ T8372] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.569: bg 0: block 32: padding at end of block bitmap is not set [ 265.253752][ T8372] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 265.366267][ T8379] loop4: detected capacity change from 0 to 1024 [ 265.366285][ T8376] loop2: detected capacity change from 0 to 1024 [ 265.465592][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 265.524221][ T8381] loop1: detected capacity change from 0 to 1024 [ 265.534253][ T8387] loop0: detected capacity change from 0 to 1024 [ 265.550183][ T8379] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 265.550543][ T8376] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 265.580456][ T8376] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.572: bg 0: block 32: padding at end of block bitmap is not set [ 265.582895][ T8376] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 265.650153][ T8379] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.571: bg 0: block 32: padding at end of block bitmap is not set [ 265.653059][ T8379] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 265.719264][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 265.720671][ T8387] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 265.722130][ T8381] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 265.827728][ T8392] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.574: bg 0: block 32: padding at end of block bitmap is not set [ 265.841555][ T8392] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 265.865544][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 265.897700][ T8393] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.570: bg 0: block 32: padding at end of block bitmap is not set [ 265.900588][ T8395] loop3: detected capacity change from 0 to 1024 [ 265.934284][ T8393] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 266.017365][ T8395] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 266.037754][ T8395] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.573: bg 0: block 32: padding at end of block bitmap is not set [ 266.046457][ T8395] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 266.168105][ T8400] loop4: detected capacity change from 0 to 1024 [ 266.195271][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 266.196651][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 266.257533][ T8402] loop2: detected capacity change from 0 to 1024 [ 266.278946][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 266.286168][ T8400] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 266.313196][ T8402] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 266.358544][ T8400] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.576: bg 0: block 32: padding at end of block bitmap is not set [ 266.384454][ T8400] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 266.402947][ T8402] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.575: bg 0: block 32: padding at end of block bitmap is not set [ 266.448777][ T8402] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 266.734409][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 266.854434][ T8412] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 266.869788][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 266.870897][ T8413] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 266.906520][ T8412] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.577: bg 0: block 32: padding at end of block bitmap is not set [ 266.908052][ T8412] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 266.974430][ T8419] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.578: bg 0: block 32: padding at end of block bitmap is not set [ 266.993791][ T8419] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 267.154148][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 267.238666][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 267.361738][ T8423] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 267.392395][ T8423] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.581: bg 0: block 32: padding at end of block bitmap is not set [ 267.403276][ T8423] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 267.570423][ T8428] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 267.622325][ T8428] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.582: bg 0: block 32: padding at end of block bitmap is not set [ 267.624622][ T8428] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 267.629289][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 267.790021][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 267.793239][ T8432] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 267.821229][ T8432] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.583: bg 0: block 32: padding at end of block bitmap is not set [ 267.835737][ T8432] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 267.980523][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 268.140477][ T8436] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 268.170244][ T8438] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 268.232380][ T8438] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.585: bg 0: block 32: padding at end of block bitmap is not set [ 268.247918][ T8438] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 268.337515][ T8445] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.584: bg 0: block 32: padding at end of block bitmap is not set [ 268.385170][ T8445] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 268.429622][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. 2026/06/01 19:35:54 executed programs: 581 [ 268.488378][ T8444] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 268.512316][ T8444] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.586: bg 0: block 32: padding at end of block bitmap is not set [ 268.533056][ T8444] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 268.669216][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 268.738124][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 268.938842][ T8454] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 268.948325][ T8451] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 269.002767][ T8451] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.587: bg 0: block 32: padding at end of block bitmap is not set [ 269.020675][ T8454] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.591: bg 0: block 32: padding at end of block bitmap is not set [ 269.038953][ T8454] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 269.050299][ T8452] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 269.052631][ T8451] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 269.107703][ T8452] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.589: bg 0: block 32: padding at end of block bitmap is not set [ 269.112406][ T8452] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 269.202303][ T8463] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 269.234316][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 269.236098][ T8463] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.590: bg 0: block 32: padding at end of block bitmap is not set [ 269.271033][ T8463] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 269.349600][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 269.389102][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 269.477915][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 269.873924][ T8474] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 269.908942][ T8474] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.595: bg 0: block 32: padding at end of block bitmap is not set [ 269.928672][ T8478] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 269.950702][ T8474] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 269.950707][ T8478] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.594: bg 0: block 32: padding at end of block bitmap is not set [ 269.988936][ T8478] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 270.161024][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 270.264660][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 271.122087][ T8492] set_capacity_and_notify: 14 callbacks suppressed [ 271.122111][ T8492] loop2: detected capacity change from 0 to 1024 [ 271.235517][ T8492] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 271.270863][ T8492] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.598: bg 0: block 32: padding at end of block bitmap is not set [ 271.285375][ T8492] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 271.443696][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 271.526730][ T8497] loop4: detected capacity change from 0 to 1024 [ 271.570892][ T8497] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 271.591986][ T8497] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.600: bg 0: block 32: padding at end of block bitmap is not set [ 271.611751][ T8497] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 271.719268][ T8503] loop2: detected capacity change from 0 to 1024 [ 271.795565][ T8502] loop3: detected capacity change from 0 to 1024 [ 271.801980][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 271.838607][ T8503] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 271.892581][ T8503] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.599: bg 0: block 32: padding at end of block bitmap is not set [ 271.901990][ T8503] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 271.980858][ T8502] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 272.021860][ T8502] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.601: bg 0: block 32: padding at end of block bitmap is not set [ 272.042089][ T8502] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 272.111552][ T8509] loop1: detected capacity change from 0 to 1024 [ 272.140214][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 272.185680][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 272.264311][ T8509] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 272.285531][ T8509] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.603: bg 0: block 32: padding at end of block bitmap is not set [ 272.287046][ T8509] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 272.349213][ T8513] loop4: detected capacity change from 0 to 1024 [ 272.430499][ T8513] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 272.467756][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 272.469582][ T8513] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.602: bg 0: block 32: padding at end of block bitmap is not set [ 272.471334][ T8513] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 272.565724][ T8520] loop2: detected capacity change from 0 to 1024 [ 272.642030][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 272.643596][ T8520] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 272.681151][ T8520] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.604: bg 0: block 32: padding at end of block bitmap is not set [ 272.742866][ T8520] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 272.856072][ T8524] loop0: detected capacity change from 0 to 1024 [ 272.924694][ T8529] loop1: detected capacity change from 0 to 1024 [ 272.925507][ T8524] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 272.965655][ T8524] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.608: bg 0: block 32: padding at end of block bitmap is not set [ 272.997631][ T8524] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 272.997979][ T8528] loop4: detected capacity change from 0 to 1024 [ 273.077602][ T8529] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 273.101224][ T8529] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.606: bg 0: block 32: padding at end of block bitmap is not set [ 273.123683][ T8529] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 273.135362][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 273.187574][ T8528] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.607: bg 0: block 32: padding at end of block bitmap is not set [ 273.211411][ T8528] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 273.670418][ T8539] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.609: bg 0: block 32: padding at end of block bitmap is not set [ 273.671921][ T8539] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 273.715663][ T8538] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.610: bg 0: block 32: padding at end of block bitmap is not set [ 273.741884][ T8538] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 273.761566][ T8543] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.611: bg 0: block 32: padding at end of block bitmap is not set [ 273.762571][ T8543] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 2026/06/01 19:35:59 executed programs: 606 [ 274.144144][ T8552] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.616: bg 0: block 32: padding at end of block bitmap is not set [ 274.161682][ T8552] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 274.357255][ T8556] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.614: bg 0: block 32: padding at end of block bitmap is not set [ 274.362277][ T8556] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 274.607360][ T8560] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.613: bg 0: block 32: padding at end of block bitmap is not set [ 274.634906][ T8560] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 274.898777][ T8570] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.618: bg 0: block 32: padding at end of block bitmap is not set [ 274.902271][ T8570] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 275.192043][ T8574] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.619: bg 0: block 32: padding at end of block bitmap is not set [ 275.232756][ T8574] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 275.558778][ T8578] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.620: bg 0: block 32: padding at end of block bitmap is not set [ 275.574214][ T8578] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 275.731554][ T8580] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.621: bg 0: block 32: padding at end of block bitmap is not set [ 275.732704][ T8580] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 275.802933][ T8586] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.623: bg 0: block 32: padding at end of block bitmap is not set [ 275.803806][ T8586] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 276.170345][ T8590] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.622: bg 0: block 32: padding at end of block bitmap is not set [ 276.201457][ T8592] set_capacity_and_notify: 12 callbacks suppressed [ 276.201479][ T8592] loop2: detected capacity change from 0 to 1024 [ 276.202851][ T8590] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 276.387931][ T8592] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.624: bg 0: block 32: padding at end of block bitmap is not set [ 276.425925][ T8600] loop0: detected capacity change from 0 to 1024 [ 276.451330][ T8592] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 276.629414][ T8600] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.628: bg 0: block 32: padding at end of block bitmap is not set [ 276.631644][ T8600] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 276.660563][ T8606] loop3: detected capacity change from 0 to 1024 [ 276.835485][ T8606] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.627: bg 0: block 32: padding at end of block bitmap is not set [ 276.836344][ T8606] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 276.920298][ T8610] loop1: detected capacity change from 0 to 1024 [ 277.098422][ T8612] loop2: detected capacity change from 0 to 1024 [ 277.253959][ T8619] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.626: bg 0: block 32: padding at end of block bitmap is not set [ 277.276515][ T8612] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.629: bg 0: block 32: padding at end of block bitmap is not set [ 277.278853][ T8612] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 277.330625][ T8619] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 277.349218][ T8618] loop0: detected capacity change from 0 to 1024 [ 277.448335][ T8618] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.630: bg 0: block 32: padding at end of block bitmap is not set [ 277.467605][ T8618] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 277.503251][ T8623] loop4: detected capacity change from 0 to 1024 [ 277.719283][ T8623] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.632: bg 0: block 32: padding at end of block bitmap is not set [ 277.775076][ T8623] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 277.829812][ T8632] loop1: detected capacity change from 0 to 1024 [ 277.963277][ T8632] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.634: bg 0: block 32: padding at end of block bitmap is not set [ 278.020246][ T8632] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 278.144647][ T8641] loop0: detected capacity change from 0 to 1024 [ 278.282865][ T8641] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.635: bg 0: block 32: padding at end of block bitmap is not set [ 278.304930][ T8641] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 278.391306][ T8648] loop4: detected capacity change from 0 to 1024 [ 278.434344][ T8648] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.636: bg 0: block 32: padding at end of block bitmap is not set [ 278.450929][ T8648] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 278.678507][ T8647] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.637: bg 0: block 32: padding at end of block bitmap is not set [ 278.685238][ T8647] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem 2026/06/01 19:36:05 executed programs: 634 [ 279.880578][ T8663] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.641: bg 0: block 32: padding at end of block bitmap is not set [ 279.893934][ T8663] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 280.327782][ T8674] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.643: bg 0: block 32: padding at end of block bitmap is not set [ 280.345452][ T8674] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 280.446917][ T8672] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.642: bg 0: block 32: padding at end of block bitmap is not set [ 280.448110][ T8672] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 280.750366][ T8678] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.646: bg 0: block 32: padding at end of block bitmap is not set [ 280.779720][ T8678] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 280.882219][ T8682] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.644: bg 0: block 32: padding at end of block bitmap is not set [ 280.902661][ T8682] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 281.110848][ T8688] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.645: bg 0: block 32: padding at end of block bitmap is not set [ 281.111894][ T8688] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 281.132504][ T8684] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.647: bg 0: block 32: padding at end of block bitmap is not set [ 281.191235][ T8684] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 281.193523][ T8692] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.650: bg 0: block 32: padding at end of block bitmap is not set [ 281.219972][ T8692] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 281.305143][ T8696] set_capacity_and_notify: 9 callbacks suppressed [ 281.305167][ T8696] loop2: detected capacity change from 0 to 1024 [ 281.393209][ T8696] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.648: bg 0: block 32: padding at end of block bitmap is not set [ 281.395151][ T8696] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 281.531121][ T8704] loop0: detected capacity change from 0 to 1024 [ 281.732522][ T8704] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.649: bg 0: block 32: padding at end of block bitmap is not set [ 281.734490][ T8704] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 281.947258][ T8712] loop2: detected capacity change from 0 to 1024 [ 281.952457][ T8708] loop3: detected capacity change from 0 to 1024 [ 282.051523][ T8711] loop4: detected capacity change from 0 to 1024 [ 282.117399][ T8722] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.651: bg 0: block 32: padding at end of block bitmap is not set [ 282.118639][ T8722] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 282.242073][ T8724] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.654: bg 0: block 32: padding at end of block bitmap is not set [ 282.243069][ T8711] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.652: bg 0: block 32: padding at end of block bitmap is not set [ 282.255507][ T8724] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 282.274538][ T8711] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 282.842452][ T8732] loop4: detected capacity change from 0 to 1024 [ 282.872896][ T8734] loop2: detected capacity change from 0 to 1024 [ 282.951297][ T8732] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.658: bg 0: block 32: padding at end of block bitmap is not set [ 282.970580][ T8732] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 283.009789][ T8734] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.657: bg 0: block 32: padding at end of block bitmap is not set [ 283.030386][ T8734] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 283.481135][ T8742] loop2: detected capacity change from 0 to 1024 [ 283.504092][ T8741] loop4: detected capacity change from 0 to 1024 [ 283.587623][ T8742] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.660: bg 0: block 32: padding at end of block bitmap is not set [ 283.590990][ T8742] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 283.593364][ T8741] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.659: bg 0: block 32: padding at end of block bitmap is not set [ 283.617829][ T8741] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 284.217840][ T8756] loop1: detected capacity change from 0 to 1024 [ 284.343876][ T8756] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.663: bg 0: block 32: padding at end of block bitmap is not set [ 284.371988][ T8756] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 284.447033][ T8762] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.664: bg 0: block 32: padding at end of block bitmap is not set [ 284.473411][ T8762] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 284.518873][ T8759] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.665: bg 0: block 32: padding at end of block bitmap is not set [ 284.554028][ T8759] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 284.993765][ T8771] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.666: bg 0: block 32: padding at end of block bitmap is not set [ 285.010764][ T8771] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem 2026/06/01 19:36:10 executed programs: 662 [ 285.133609][ T8776] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.668: bg 0: block 32: padding at end of block bitmap is not set [ 285.134549][ T8776] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 285.647174][ T8781] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.670: bg 0: block 32: padding at end of block bitmap is not set [ 285.671418][ T8782] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.669: bg 0: block 32: padding at end of block bitmap is not set [ 285.676324][ T8782] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 285.692303][ T8781] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 286.188321][ T8792] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.673: bg 0: block 32: padding at end of block bitmap is not set [ 286.210453][ T8790] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.672: bg 0: block 32: padding at end of block bitmap is not set [ 286.221728][ T8790] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 286.232901][ T8792] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 286.291955][ T8796] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.671: bg 0: block 32: padding at end of block bitmap is not set [ 286.318963][ T8796] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 286.328797][ T8800] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.674: bg 0: block 32: padding at end of block bitmap is not set [ 286.345172][ T8800] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 286.933128][ T8816] set_capacity_and_notify: 10 callbacks suppressed [ 286.933150][ T8816] loop0: detected capacity change from 0 to 1024 [ 286.964397][ T8815] loop1: detected capacity change from 0 to 1024 [ 287.050439][ T8816] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.679: bg 0: block 32: padding at end of block bitmap is not set [ 287.051702][ T8814] loop2: detected capacity change from 0 to 1024 [ 287.062875][ T8816] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 287.124555][ T8815] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.676: bg 0: block 32: padding at end of block bitmap is not set [ 287.233570][ T8815] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 287.318817][ T8825] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.677: bg 0: block 32: padding at end of block bitmap is not set [ 287.347797][ T8825] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 287.751602][ T8831] loop2: detected capacity change from 0 to 1024 [ 287.896758][ T8831] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.682: bg 0: block 32: padding at end of block bitmap is not set [ 287.922992][ T8831] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 288.351336][ T8837] loop2: detected capacity change from 0 to 1024 [ 288.428260][ T8837] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.683: bg 0: block 32: padding at end of block bitmap is not set [ 288.452191][ T8837] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 288.742680][ T8843] loop3: detected capacity change from 0 to 1024 [ 288.779451][ T8842] loop2: detected capacity change from 0 to 1024 [ 288.831331][ T8843] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.685: bg 0: block 32: padding at end of block bitmap is not set [ 288.831583][ T8845] loop4: detected capacity change from 0 to 1024 [ 288.855096][ T8843] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 288.915582][ T8842] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.684: bg 0: block 32: padding at end of block bitmap is not set [ 288.918108][ T8842] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 289.079816][ T8845] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.686: bg 0: block 32: padding at end of block bitmap is not set [ 289.083874][ T8845] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 289.386880][ T8856] loop4: detected capacity change from 0 to 1024 [ 289.488254][ T8858] loop2: detected capacity change from 0 to 1024 [ 289.529194][ T8856] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.689: bg 0: block 32: padding at end of block bitmap is not set [ 289.545539][ T8856] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 289.626751][ T8858] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.688: bg 0: block 32: padding at end of block bitmap is not set [ 289.632010][ T8858] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 289.802226][ T8862] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.690: bg 0: block 32: padding at end of block bitmap is not set [ 289.812382][ T8862] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 290.167366][ T8880] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.692: bg 0: block 32: padding at end of block bitmap is not set [ 290.172570][ T8880] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 2026/06/01 19:36:15 executed programs: 688 [ 290.694603][ T8883] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.695: bg 0: block 32: padding at end of block bitmap is not set [ 290.706818][ T8883] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 290.899168][ T8887] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.696: bg 0: block 32: padding at end of block bitmap is not set [ 290.901122][ T8887] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 291.272069][ T8891] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.697: bg 0: block 32: padding at end of block bitmap is not set [ 291.272956][ T8891] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 291.328329][ T8893] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.698: bg 0: block 32: padding at end of block bitmap is not set [ 291.334254][ T8893] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 291.748203][ T8901] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.699: bg 0: block 32: padding at end of block bitmap is not set [ 291.762791][ T8901] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 292.121748][ T8909] set_capacity_and_notify: 7 callbacks suppressed [ 292.121771][ T8909] loop2: detected capacity change from 0 to 1024 [ 292.149901][ T8906] loop0: detected capacity change from 0 to 1024 [ 292.187692][ T8910] loop1: detected capacity change from 0 to 1024 [ 292.187692][ T8912] loop4: detected capacity change from 0 to 1024 [ 292.222476][ T8909] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.703: bg 0: block 32: padding at end of block bitmap is not set [ 292.224541][ T8909] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 292.328271][ T8906] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.701: bg 0: block 32: padding at end of block bitmap is not set [ 292.353340][ T8906] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 292.396545][ T8912] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.704: bg 0: block 32: padding at end of block bitmap is not set [ 292.431463][ T8910] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.702: bg 0: block 32: padding at end of block bitmap is not set [ 292.462173][ T8910] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 292.479396][ T8912] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 292.818239][ T8925] loop2: detected capacity change from 0 to 1024 [ 292.916937][ T8925] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.705: bg 0: block 32: padding at end of block bitmap is not set [ 292.920440][ T8925] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 292.975440][ T8931] loop0: detected capacity change from 0 to 1024 [ 293.017975][ T8932] loop4: detected capacity change from 0 to 1024 [ 293.077736][ T8933] loop1: detected capacity change from 0 to 1024 [ 293.146942][ T8931] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.707: bg 0: block 32: padding at end of block bitmap is not set [ 293.148298][ T8931] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 293.249571][ T8932] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.708: bg 0: block 32: padding at end of block bitmap is not set [ 293.283707][ T8932] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 293.300531][ T8933] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.706: bg 0: block 32: padding at end of block bitmap is not set [ 293.336051][ T8933] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 293.743107][ T8947] loop3: detected capacity change from 0 to 1024 [ 293.823528][ T8950] loop0: detected capacity change from 0 to 1024 [ 293.847369][ T8947] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.713: bg 0: block 32: padding at end of block bitmap is not set [ 293.849825][ T8947] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 293.931591][ T8950] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.710: bg 0: block 32: padding at end of block bitmap is not set [ 293.947054][ T8950] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 294.126037][ T8952] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.712: bg 0: block 32: padding at end of block bitmap is not set [ 294.127341][ T8952] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 294.486278][ T8961] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.714: bg 0: block 32: padding at end of block bitmap is not set [ 294.512280][ T8961] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 294.640582][ T8966] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.715: bg 0: block 32: padding at end of block bitmap is not set [ 294.660611][ T8966] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 294.778494][ T8967] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.716: bg 0: block 32: padding at end of block bitmap is not set [ 294.785317][ T8967] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 294.824590][ T5756] EXT4-fs unmount: 166 callbacks suppressed [ 294.824614][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 294.987741][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 294.992837][ T8974] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 295.020664][ T8974] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.717: bg 0: block 32: padding at end of block bitmap is not set [ 295.039005][ T8974] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 295.182650][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. 2026/06/01 19:36:20 executed programs: 714 [ 295.329993][ T8980] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 295.387332][ T8980] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.719: bg 0: block 32: padding at end of block bitmap is not set [ 295.391045][ T8980] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 295.461222][ T8979] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 295.490854][ T8979] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.718: bg 0: block 32: padding at end of block bitmap is not set [ 295.520645][ T8979] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 295.646301][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 295.646372][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 295.673832][ T8989] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 295.740858][ T8989] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.721: bg 0: block 32: padding at end of block bitmap is not set [ 295.753604][ T8989] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 295.882959][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 296.262420][ T9001] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 296.284571][ T9001] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.725: bg 0: block 32: padding at end of block bitmap is not set [ 296.300279][ T9001] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 296.313486][ T9000] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 296.344599][ T9000] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.724: bg 0: block 32: padding at end of block bitmap is not set [ 296.363585][ T9000] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 296.502810][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 296.608326][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 296.977446][ T9007] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 297.068676][ T9009] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 297.089334][ T9009] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.727: bg 0: block 32: padding at end of block bitmap is not set [ 297.097179][ T9007] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.726: bg 0: block 32: padding at end of block bitmap is not set [ 297.118391][ T9007] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 297.129607][ T9009] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 297.391178][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 297.439869][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 297.773293][ T9015] set_capacity_and_notify: 12 callbacks suppressed [ 297.773318][ T9015] loop2: detected capacity change from 0 to 1024 [ 297.832485][ T9017] loop4: detected capacity change from 0 to 1024 [ 297.834437][ T9015] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 297.898633][ T9015] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.728: bg 0: block 32: padding at end of block bitmap is not set [ 297.899688][ T9015] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 297.939373][ T9017] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 297.967908][ T9017] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.729: bg 0: block 32: padding at end of block bitmap is not set [ 297.984615][ T9017] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 298.040163][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 298.043532][ T9021] loop3: detected capacity change from 0 to 1024 [ 298.161092][ T9025] loop1: detected capacity change from 0 to 1024 [ 298.168097][ T9021] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 298.226458][ T9021] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.730: bg 0: block 32: padding at end of block bitmap is not set [ 298.228280][ T9021] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 298.268366][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 298.291812][ T9025] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 298.298257][ T9032] loop2: detected capacity change from 0 to 1024 [ 298.352011][ T9025] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.731: bg 0: block 32: padding at end of block bitmap is not set [ 298.359551][ T9025] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 298.433789][ T9032] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 298.459505][ T9032] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.732: bg 0: block 32: padding at end of block bitmap is not set [ 298.461458][ T9032] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 298.551128][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 298.554350][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 298.557658][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 298.674130][ T9038] loop4: detected capacity change from 0 to 1024 [ 298.702008][ T9038] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 298.743869][ T9042] loop1: detected capacity change from 0 to 1024 [ 298.769175][ T9037] loop0: detected capacity change from 0 to 1024 [ 298.796909][ T9043] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.733: bg 0: block 32: padding at end of block bitmap is not set [ 298.800729][ T9043] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 298.846172][ T9037] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 298.884322][ T9046] loop2: detected capacity change from 0 to 1024 [ 298.895557][ T9042] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 298.913574][ T9037] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.737: bg 0: block 32: padding at end of block bitmap is not set [ 298.914603][ T9042] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.735: bg 0: block 32: padding at end of block bitmap is not set [ 298.924208][ T9037] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 298.926567][ T9042] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 298.983210][ T9051] loop3: detected capacity change from 0 to 1024 [ 299.009596][ T9046] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 299.039086][ T9046] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.736: bg 0: block 32: padding at end of block bitmap is not set [ 299.047572][ T9046] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 299.054309][ T9051] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 299.102991][ T9051] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.734: bg 0: block 32: padding at end of block bitmap is not set [ 299.116989][ T9051] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 299.154428][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 299.173053][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 299.247636][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 299.316451][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 299.441215][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 299.567789][ T9062] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 299.642789][ T9062] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.738: bg 0: block 32: padding at end of block bitmap is not set [ 299.644175][ T9062] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 299.679523][ T9060] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 299.694038][ T9059] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 299.724664][ T9060] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.739: bg 0: block 32: padding at end of block bitmap is not set [ 299.732949][ T9059] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.740: bg 0: block 32: padding at end of block bitmap is not set [ 299.734583][ T9060] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 299.746437][ T9059] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 300.088409][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 300.090146][ T9073] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 300.143494][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 300.149812][ T9076] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.742: bg 0: block 32: padding at end of block bitmap is not set [ 300.158426][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 300.197077][ T9076] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 300.364065][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 300.527912][ T9078] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 300.577892][ T9078] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.743: bg 0: block 32: padding at end of block bitmap is not set [ 300.579930][ T9078] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem 2026/06/01 19:36:26 executed programs: 740 [ 300.861342][ T9084] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 300.862787][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 300.938535][ T9084] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.745: bg 0: block 32: padding at end of block bitmap is not set [ 300.966414][ T9084] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 300.974143][ T9081] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 300.996031][ T9086] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 301.027159][ T9086] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.746: bg 0: block 32: padding at end of block bitmap is not set [ 301.033793][ T9086] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 301.072568][ T9093] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.744: bg 0: block 32: padding at end of block bitmap is not set [ 301.113680][ T9093] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 301.194530][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 301.286143][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 301.358277][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 301.360208][ T9095] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 301.597223][ T9094] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.747: bg 0: block 32: padding at end of block bitmap is not set [ 301.764687][ T9095] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 301.888306][ T9107] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 301.910799][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 301.939758][ T9107] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.751: bg 0: block 32: padding at end of block bitmap is not set [ 301.940965][ T9107] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 302.091298][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 302.436783][ T9115] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 302.471570][ T9115] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.753: bg 0: block 32: padding at end of block bitmap is not set [ 302.496890][ T9115] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 302.666416][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 302.948484][ T9120] set_capacity_and_notify: 11 callbacks suppressed [ 302.948505][ T9120] loop2: detected capacity change from 0 to 1024 [ 303.027864][ T9120] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 303.064970][ T9120] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.754: bg 0: block 32: padding at end of block bitmap is not set [ 303.066736][ T9120] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 303.180448][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 303.438939][ T9126] loop3: detected capacity change from 0 to 1024 [ 303.470969][ T9125] loop2: detected capacity change from 0 to 1024 [ 303.511696][ T9126] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 303.551661][ T9126] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.756: bg 0: block 32: padding at end of block bitmap is not set [ 303.575569][ T9126] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 303.582150][ T9125] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 303.627744][ T9129] loop0: detected capacity change from 0 to 1024 [ 303.632861][ T9125] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.755: bg 0: block 32: padding at end of block bitmap is not set [ 303.644050][ T9125] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 303.823922][ T9129] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.757: bg 0: block 32: padding at end of block bitmap is not set [ 303.864325][ T9129] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 304.014691][ T9139] loop1: detected capacity change from 0 to 1024 [ 304.026199][ T9141] loop3: detected capacity change from 0 to 1024 [ 304.116693][ T9147] loop4: detected capacity change from 0 to 1024 [ 304.134195][ T9141] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.758: bg 0: block 32: padding at end of block bitmap is not set [ 304.152775][ T9141] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 304.156560][ T9139] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.760: bg 0: block 32: padding at end of block bitmap is not set [ 304.175605][ T9139] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 304.232371][ T9147] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.762: bg 0: block 32: padding at end of block bitmap is not set [ 304.233263][ T9147] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 304.311522][ T9151] loop2: detected capacity change from 0 to 1024 [ 304.373227][ T9153] loop0: detected capacity change from 0 to 1024 [ 304.409190][ T9151] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.759: bg 0: block 32: padding at end of block bitmap is not set [ 304.414274][ T9151] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 304.568846][ T9159] loop1: detected capacity change from 0 to 1024 [ 304.587896][ T9153] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.761: bg 0: block 32: padding at end of block bitmap is not set [ 304.590740][ T9153] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 304.734126][ T9159] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.763: bg 0: block 32: padding at end of block bitmap is not set [ 304.755640][ T9159] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 305.102428][ T9166] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.765: bg 0: block 32: padding at end of block bitmap is not set [ 305.124440][ T9166] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 305.347177][ T9174] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.767: bg 0: block 32: padding at end of block bitmap is not set [ 305.356029][ T9174] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 305.467130][ T9175] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.768: bg 0: block 32: padding at end of block bitmap is not set [ 305.471829][ T9175] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 306.042229][ T9187] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.770: bg 0: block 32: padding at end of block bitmap is not set [ 306.062459][ T9187] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem 2026/06/01 19:36:31 executed programs: 765 [ 306.533373][ T9192] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.772: bg 0: block 32: padding at end of block bitmap is not set [ 306.551452][ T9192] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 306.688585][ T9197] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.773: bg 0: block 32: padding at end of block bitmap is not set [ 306.693473][ T9197] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 307.107996][ T9203] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.775: bg 0: block 32: padding at end of block bitmap is not set [ 307.111647][ T9203] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 307.241758][ T9205] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.776: bg 0: block 32: padding at end of block bitmap is not set [ 307.244187][ T9205] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 307.762563][ T9213] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.778: bg 0: block 32: padding at end of block bitmap is not set [ 307.782983][ T9213] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 307.949168][ T9222] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.780: bg 0: block 32: padding at end of block bitmap is not set [ 307.955196][ T9222] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 308.276290][ T9226] set_capacity_and_notify: 10 callbacks suppressed [ 308.276310][ T9226] loop1: detected capacity change from 0 to 1024 [ 308.366252][ T9226] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.781: bg 0: block 32: padding at end of block bitmap is not set [ 308.371314][ T9226] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 308.451864][ T9230] loop4: detected capacity change from 0 to 1024 [ 308.548348][ T9230] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.782: bg 0: block 32: padding at end of block bitmap is not set [ 308.553810][ T9230] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 308.579978][ T9234] loop0: detected capacity change from 0 to 1024 [ 308.714632][ T9234] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.783: bg 0: block 32: padding at end of block bitmap is not set [ 308.742789][ T9234] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 308.989497][ T9238] loop1: detected capacity change from 0 to 1024 [ 309.052063][ T9238] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.784: bg 0: block 32: padding at end of block bitmap is not set [ 309.054496][ T9238] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 309.121411][ T9241] loop4: detected capacity change from 0 to 1024 [ 309.307763][ T9249] loop3: detected capacity change from 0 to 1024 [ 309.312624][ T9241] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.785: bg 0: block 32: padding at end of block bitmap is not set [ 309.340981][ T9241] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 309.456375][ T9249] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.788: bg 0: block 32: padding at end of block bitmap is not set [ 309.457454][ T9249] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 309.638264][ T9255] loop1: detected capacity change from 0 to 1024 [ 309.640557][ T9256] loop2: detected capacity change from 0 to 1024 [ 309.807106][ T9255] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.787: bg 0: block 32: padding at end of block bitmap is not set [ 309.820843][ T9255] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 309.934491][ T9256] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.789: bg 0: block 32: padding at end of block bitmap is not set [ 309.959131][ T9256] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 310.219452][ T9268] loop1: detected capacity change from 0 to 1024 [ 310.291069][ T9268] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.792: bg 0: block 32: padding at end of block bitmap is not set [ 310.292088][ T9268] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 310.427835][ T9272] loop2: detected capacity change from 0 to 1024 [ 310.568423][ T9272] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.793: bg 0: block 32: padding at end of block bitmap is not set [ 310.571551][ T9272] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 310.789551][ T9276] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.794: bg 0: block 32: padding at end of block bitmap is not set [ 310.818458][ T9276] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 311.327731][ T9285] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.797: bg 0: block 32: padding at end of block bitmap is not set [ 311.339744][ T9285] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 2026/06/01 19:36:37 executed programs: 791 [ 312.272857][ T9294] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.799: bg 0: block 32: padding at end of block bitmap is not set [ 312.291521][ T9294] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 312.387328][ T9296] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.800: bg 0: block 32: padding at end of block bitmap is not set [ 312.419344][ T9296] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 312.690188][ T9299] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.801: bg 0: block 32: padding at end of block bitmap is not set [ 312.736339][ T9302] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 312.864305][ T9309] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.802: bg 0: block 32: padding at end of block bitmap is not set [ 312.888659][ T9309] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 313.048292][ T9307] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.803: bg 0: block 32: padding at end of block bitmap is not set [ 313.064540][ T9307] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 313.105489][ T9313] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.805: bg 0: block 32: padding at end of block bitmap is not set [ 313.113475][ T9313] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 313.383086][ T9322] set_capacity_and_notify: 9 callbacks suppressed [ 313.383107][ T9322] loop3: detected capacity change from 0 to 1024 [ 313.453798][ T9329] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.806: bg 0: block 32: padding at end of block bitmap is not set [ 313.472140][ T9329] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 313.507472][ T9324] loop2: detected capacity change from 0 to 1024 [ 313.693778][ T9324] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.804: bg 0: block 32: padding at end of block bitmap is not set [ 313.709852][ T9324] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 313.777356][ T9322] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.807: bg 0: block 32: padding at end of block bitmap is not set [ 313.790812][ T9322] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 313.825080][ T9335] loop0: detected capacity change from 0 to 1024 [ 314.072761][ T9343] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.810: bg 0: block 32: padding at end of block bitmap is not set [ 314.103630][ T9343] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 314.319254][ T9344] loop2: detected capacity change from 0 to 1024 [ 314.422061][ T9344] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.811: bg 0: block 32: padding at end of block bitmap is not set [ 314.459614][ T9344] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 314.936748][ T9353] loop2: detected capacity change from 0 to 1024 [ 315.054240][ T9353] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.814: bg 0: block 32: padding at end of block bitmap is not set [ 315.084637][ T9353] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 315.254334][ T9358] loop1: detected capacity change from 0 to 1024 [ 315.368005][ T9358] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.815: bg 0: block 32: padding at end of block bitmap is not set [ 315.372629][ T9358] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 315.590351][ T9362] loop2: detected capacity change from 0 to 1024 [ 315.713466][ T9362] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.816: bg 0: block 32: padding at end of block bitmap is not set [ 315.714455][ T9362] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 315.746669][ T9364] loop4: detected capacity change from 0 to 1024 [ 315.869549][ T9368] loop1: detected capacity change from 0 to 1024 [ 315.929920][ T9364] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.818: bg 0: block 32: padding at end of block bitmap is not set [ 315.930710][ T9364] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 315.972940][ T9373] loop3: detected capacity change from 0 to 1024 [ 315.997451][ T9368] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.817: bg 0: block 32: padding at end of block bitmap is not set [ 316.010470][ T9368] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 316.063335][ T9373] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.820: bg 0: block 32: padding at end of block bitmap is not set [ 316.082048][ T9373] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 316.219411][ T9376] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.819: bg 0: block 32: padding at end of block bitmap is not set [ 316.239445][ T9376] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 316.547902][ T9384] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.821: bg 0: block 32: padding at end of block bitmap is not set [ 316.556397][ T9384] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem 2026/06/01 19:36:42 executed programs: 818 [ 316.771212][ T9389] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.823: bg 0: block 32: padding at end of block bitmap is not set [ 316.780223][ T9389] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 317.302014][ T1338] ieee802154 phy0 wpan0: encryption failed: -22 [ 317.302131][ T1338] ieee802154 phy1 wpan1: encryption failed: -22 [ 317.390749][ T9400] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.826: bg 0: block 32: padding at end of block bitmap is not set [ 317.391511][ T9400] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 317.583611][ T9402] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.827: bg 0: block 32: padding at end of block bitmap is not set [ 317.620441][ T9402] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 318.013029][ T9417] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.828: bg 0: block 32: padding at end of block bitmap is not set [ 318.017742][ T9417] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 318.073875][ T9409] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.829: bg 0: block 32: padding at end of block bitmap is not set [ 318.087448][ T9409] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 318.344618][ T9414] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.830: bg 0: block 32: padding at end of block bitmap is not set [ 318.369347][ T9414] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 318.487660][ T9421] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.833: bg 0: block 32: padding at end of block bitmap is not set [ 318.521150][ T9421] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 318.771902][ T9428] set_capacity_and_notify: 9 callbacks suppressed [ 318.771922][ T9428] loop2: detected capacity change from 0 to 1024 [ 318.897991][ T9434] loop4: detected capacity change from 0 to 1024 [ 318.924154][ T9428] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.832: bg 0: block 32: padding at end of block bitmap is not set [ 318.953908][ T9428] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 319.045521][ T9434] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.836: bg 0: block 32: padding at end of block bitmap is not set [ 319.050635][ T9434] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 319.085212][ T9437] loop1: detected capacity change from 0 to 1024 [ 319.272257][ T9437] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.835: bg 0: block 32: padding at end of block bitmap is not set [ 319.274633][ T9437] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 319.582253][ T9447] loop4: detected capacity change from 0 to 1024 [ 319.718762][ T9447] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.838: bg 0: block 32: padding at end of block bitmap is not set [ 319.733197][ T9447] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 319.843870][ T9451] loop1: detected capacity change from 0 to 1024 [ 320.010980][ T9455] loop3: detected capacity change from 0 to 1024 [ 320.028008][ T9451] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.839: bg 0: block 32: padding at end of block bitmap is not set [ 320.032622][ T9451] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 320.107969][ T9455] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.841: bg 0: block 32: padding at end of block bitmap is not set [ 320.113935][ T9455] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 320.253730][ T9459] loop4: detected capacity change from 0 to 1024 [ 320.367806][ T9459] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.840: bg 0: block 32: padding at end of block bitmap is not set [ 320.373097][ T9459] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 320.519240][ T9464] loop1: detected capacity change from 0 to 1024 [ 320.598924][ T9464] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.842: bg 0: block 32: padding at end of block bitmap is not set [ 320.619306][ T9464] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 320.711263][ T9468] loop3: detected capacity change from 0 to 1024 [ 320.796309][ T9468] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.843: bg 0: block 32: padding at end of block bitmap is not set [ 320.799173][ T9468] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 320.942204][ T9475] loop0: detected capacity change from 0 to 1024 [ 321.092622][ T9475] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.845: bg 0: block 32: padding at end of block bitmap is not set [ 321.109346][ T9475] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 321.165422][ T9478] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.847: bg 0: block 32: padding at end of block bitmap is not set [ 321.168436][ T9478] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 321.226693][ T9474] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.844: bg 0: block 32: padding at end of block bitmap is not set [ 321.254980][ T9474] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 321.355512][ T9479] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.846: bg 0: block 32: padding at end of block bitmap is not set [ 321.360698][ T9479] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 321.847836][ T9495] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.849: bg 0: block 32: padding at end of block bitmap is not set [ 321.848836][ T9495] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 321.910104][ T9498] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.852: bg 0: block 32: padding at end of block bitmap is not set 2026/06/01 19:36:47 executed programs: 846 [ 322.004413][ T9498] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 322.061971][ T9497] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.851: bg 0: block 32: padding at end of block bitmap is not set [ 322.074208][ T9497] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 322.688217][ T9513] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.855: bg 0: block 32: padding at end of block bitmap is not set [ 322.690499][ T9509] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.853: bg 0: block 32: padding at end of block bitmap is not set [ 322.691861][ T9509] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 322.708845][ T9513] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 322.742096][ T9512] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.854: bg 0: block 32: padding at end of block bitmap is not set [ 322.775281][ T9512] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 323.303056][ T9523] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.858: bg 0: block 32: padding at end of block bitmap is not set [ 323.307393][ T9523] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 323.459871][ T9526] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.856: bg 0: block 32: padding at end of block bitmap is not set [ 323.478982][ T9526] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 323.838207][ T9539] set_capacity_and_notify: 11 callbacks suppressed [ 323.838228][ T9539] loop2: detected capacity change from 0 to 1024 [ 323.907701][ T9542] loop3: detected capacity change from 0 to 1024 [ 324.028579][ T9539] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.862: bg 0: block 32: padding at end of block bitmap is not set [ 324.030572][ T9539] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 324.092136][ T9542] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.860: bg 0: block 32: padding at end of block bitmap is not set [ 324.104580][ T9542] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 324.667361][ T9553] loop2: detected capacity change from 0 to 1024 [ 324.793705][ T9553] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.863: bg 0: block 32: padding at end of block bitmap is not set [ 324.821179][ T9553] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 324.872696][ T9559] loop1: detected capacity change from 0 to 1024 [ 324.939183][ T5761] EXT4-fs unmount: 159 callbacks suppressed [ 324.939207][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 324.987779][ T9559] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 325.046479][ T9559] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.865: bg 0: block 32: padding at end of block bitmap is not set [ 325.062426][ T9559] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 325.207060][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 325.252541][ T9564] loop2: detected capacity change from 0 to 1024 [ 325.372120][ T9564] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 325.404161][ T9564] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.866: bg 0: block 32: padding at end of block bitmap is not set [ 325.431011][ T9564] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 325.432802][ T9567] loop0: detected capacity change from 0 to 1024 [ 325.524508][ T9567] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 325.569110][ T9567] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.868: bg 0: block 32: padding at end of block bitmap is not set [ 325.583857][ T9567] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 325.625443][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 325.687490][ T9572] loop1: detected capacity change from 0 to 1024 [ 325.790079][ T9572] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 325.792608][ T9574] loop4: detected capacity change from 0 to 1024 [ 325.837560][ T9572] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.867: bg 0: block 32: padding at end of block bitmap is not set [ 325.854130][ T9572] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 325.899732][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 325.993429][ T9574] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 325.995931][ T9578] loop2: detected capacity change from 0 to 1024 [ 326.055974][ T9574] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.870: bg 0: block 32: padding at end of block bitmap is not set [ 326.080868][ T9574] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 326.123252][ T9578] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 326.123556][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 326.156275][ T9584] loop3: detected capacity change from 0 to 1024 [ 326.189959][ T9578] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.869: bg 0: block 32: padding at end of block bitmap is not set [ 326.192686][ T9578] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 326.272755][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 326.331132][ T9584] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 326.355371][ T9584] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.872: bg 0: block 32: padding at end of block bitmap is not set [ 326.357414][ T9584] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 326.403164][ T9588] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 326.445323][ T9588] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.871: bg 0: block 32: padding at end of block bitmap is not set [ 326.448093][ T9588] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 326.452666][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 326.574228][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 326.591318][ T9592] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 326.669665][ T9597] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.873: bg 0: block 32: padding at end of block bitmap is not set [ 326.673817][ T9597] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 326.804048][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 326.820830][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 326.821832][ T9596] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 326.884260][ T9596] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.874: bg 0: block 32: padding at end of block bitmap is not set [ 326.900463][ T9596] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 326.936250][ T9603] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 326.981013][ T9601] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 327.012920][ T9601] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.875: bg 0: block 32: padding at end of block bitmap is not set 2026/06/01 19:36:52 executed programs: 872 [ 327.012974][ T9603] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.876: bg 0: block 32: padding at end of block bitmap is not set [ 327.056872][ T9603] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 327.059466][ T9601] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 327.063064][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 327.226225][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 327.249039][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 327.412150][ T9614] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 327.468554][ T9614] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.878: bg 0: block 32: padding at end of block bitmap is not set [ 327.488856][ T9614] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 327.515206][ T9616] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 327.594451][ T9616] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.879: bg 0: block 32: padding at end of block bitmap is not set [ 327.611583][ T9616] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 327.717849][ T9625] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 327.746481][ T9625] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.880: bg 0: block 32: padding at end of block bitmap is not set [ 327.755143][ T9625] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 327.875053][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 327.903437][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 328.038472][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 328.326585][ T9633] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 328.350961][ T9633] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.883: bg 0: block 32: padding at end of block bitmap is not set [ 328.375592][ T9633] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 328.398896][ T9632] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 328.420913][ T9632] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.882: bg 0: block 32: padding at end of block bitmap is not set [ 328.432143][ T9632] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 328.469146][ T9635] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 328.598755][ T9635] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.884: bg 0: block 32: padding at end of block bitmap is not set [ 328.609279][ T9635] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 328.631192][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 328.676134][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 328.826196][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 328.958057][ T9646] set_capacity_and_notify: 11 callbacks suppressed [ 328.958075][ T9646] loop1: detected capacity change from 0 to 1024 [ 329.102844][ T9648] loop3: detected capacity change from 0 to 1024 [ 329.144115][ T9646] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 329.174421][ T9646] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.886: bg 0: block 32: padding at end of block bitmap is not set [ 329.193055][ T9646] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 329.205056][ T9648] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 329.213990][ T9648] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.887: bg 0: block 32: padding at end of block bitmap is not set [ 329.220661][ T9648] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 329.356866][ T9656] loop0: detected capacity change from 0 to 1024 [ 329.440294][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 329.444369][ T9654] loop2: detected capacity change from 0 to 1024 [ 329.481836][ T9656] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 329.482828][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 329.524110][ T9656] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.889: bg 0: block 32: padding at end of block bitmap is not set [ 329.537632][ T9656] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 329.555850][ T9654] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 329.608219][ T9654] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.888: bg 0: block 32: padding at end of block bitmap is not set [ 329.609107][ T9654] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 329.725571][ T5756] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 329.767504][ T9662] loop1: detected capacity change from 0 to 1024 [ 329.802285][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 329.830545][ T9662] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 329.876734][ T9662] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.890: bg 0: block 32: padding at end of block bitmap is not set [ 329.911800][ T9662] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 329.979579][ T9667] loop3: detected capacity change from 0 to 1024 [ 330.061397][ T9667] EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 330.128615][ T9667] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.891: bg 0: block 32: padding at end of block bitmap is not set [ 330.133860][ T9667] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 330.152608][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 330.292025][ T5762] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 330.331989][ T9676] loop4: detected capacity change from 0 to 1024 [ 330.427851][ T9676] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 330.480319][ T9676] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.896: bg 0: block 32: padding at end of block bitmap is not set [ 330.493379][ T9676] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 330.641636][ T9681] loop1: detected capacity change from 0 to 1024 [ 330.711664][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 330.769277][ T9681] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 330.818220][ T9681] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.894: bg 0: block 32: padding at end of block bitmap is not set [ 330.828209][ T9681] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 331.011941][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 331.127432][ T9687] loop4: detected capacity change from 0 to 1024 [ 331.162683][ T9687] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 331.203991][ T9687] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.897: bg 0: block 32: padding at end of block bitmap is not set [ 331.222246][ T9687] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 331.327392][ T9691] loop1: detected capacity change from 0 to 1024 [ 331.380087][ T9691] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 331.403523][ T5770] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 331.472419][ T9694] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.898: bg 0: block 32: padding at end of block bitmap is not set [ 331.473676][ T9694] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 331.623924][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 332.039532][ T9699] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 332.075079][ T9699] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.900: bg 0: block 32: padding at end of block bitmap is not set [ 332.080869][ T9699] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 2026/06/01 19:36:57 executed programs: 894 [ 332.253000][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 332.508406][ T9704] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 332.541095][ T9704] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.902: bg 0: block 32: padding at end of block bitmap is not set [ 332.543156][ T9704] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 332.630428][ T9705] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 332.674490][ T9705] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.901: bg 0: block 32: padding at end of block bitmap is not set [ 332.710098][ T9705] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 332.718090][ T9709] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 332.774050][ T9709] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.903: bg 0: block 32: padding at end of block bitmap is not set [ 332.793346][ T5761] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 332.812516][ T9709] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 332.975857][ T5759] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 333.096907][ T9717] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.905: bg 0: block 32: padding at end of block bitmap is not set [ 333.103111][ T9717] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 333.191383][ T9721] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.904: bg 0: block 32: padding at end of block bitmap is not set [ 333.220314][ T9721] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 333.512724][ T9725] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.907: bg 0: block 32: padding at end of block bitmap is not set [ 333.520754][ T9725] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 333.570012][ T9727] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.906: bg 0: block 32: padding at end of block bitmap is not set [ 333.586734][ T9727] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 333.992777][ T9744] set_capacity_and_notify: 10 callbacks suppressed [ 333.992797][ T9744] loop0: detected capacity change from 0 to 1024 [ 334.061194][ T9742] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.912: bg 0: block 32: padding at end of block bitmap is not set [ 334.064407][ T9741] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.910: bg 0: block 32: padding at end of block bitmap is not set [ 334.101783][ T9742] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 334.103716][ T9744] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.911: bg 0: block 32: padding at end of block bitmap is not set [ 334.131644][ T9741] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 334.133577][ T9744] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 334.509512][ T9753] loop0: detected capacity change from 0 to 1024 [ 334.597542][ T9756] loop4: detected capacity change from 0 to 1024 [ 334.638500][ T9753] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.913: bg 0: block 32: padding at end of block bitmap is not set [ 334.642238][ T9753] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 334.742007][ T9756] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.914: bg 0: block 32: padding at end of block bitmap is not set [ 334.745846][ T9756] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 335.169712][ T9764] loop0: detected capacity change from 0 to 1024 [ 335.255221][ T9764] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.916: bg 0: block 32: padding at end of block bitmap is not set [ 335.257487][ T9764] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 335.627371][ T9771] loop0: detected capacity change from 0 to 1024 [ 335.717308][ T9771] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.918: bg 0: block 32: padding at end of block bitmap is not set [ 335.751043][ T9771] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 335.812295][ T9775] loop3: detected capacity change from 0 to 1024 [ 335.911169][ T9775] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.919: bg 0: block 32: padding at end of block bitmap is not set [ 335.912131][ T9779] loop2: detected capacity change from 0 to 1024 [ 335.913817][ T9775] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 336.038292][ T9779] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.920: bg 0: block 32: padding at end of block bitmap is not set [ 336.093018][ T9779] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 336.303563][ T9784] loop0: detected capacity change from 0 to 1024 [ 336.408028][ T9788] loop3: detected capacity change from 0 to 1024 [ 336.435686][ T9784] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.921: bg 0: block 32: padding at end of block bitmap is not set [ 336.463673][ T9784] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 336.522838][ T9788] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.922: bg 0: block 32: padding at end of block bitmap is not set [ 336.541478][ T9788] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 336.631910][ T9792] loop2: detected capacity change from 0 to 1024 [ 336.814250][ T9794] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.925: bg 0: block 32: padding at end of block bitmap is not set [ 336.863732][ T9794] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 336.890342][ T9792] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.923: bg 0: block 32: padding at end of block bitmap is not set [ 336.902844][ T9792] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 337.139124][ T9801] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.926: bg 0: block 32: padding at end of block bitmap is not set [ 337.162510][ T9801] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 337.270353][ T9803] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.924: bg 0: block 32: padding at end of block bitmap is not set [ 337.272812][ T9803] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem 2026/06/01 19:37:02 executed programs: 922 [ 337.379067][ T9807] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.927: bg 0: block 32: padding at end of block bitmap is not set [ 337.382978][ T9807] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 337.538561][ T9814] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.928: bg 0: block 32: padding at end of block bitmap is not set [ 337.558561][ T9814] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 337.783732][ T9819] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.932: bg 0: block 32: padding at end of block bitmap is not set [ 337.790213][ T9819] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 337.948563][ T9820] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.929: bg 0: block 32: padding at end of block bitmap is not set [ 337.954349][ T9820] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 338.092866][ T9827] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.930: bg 0: block 32: padding at end of block bitmap is not set [ 338.093879][ T9827] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 338.170145][ T9831] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.931: bg 0: block 32: padding at end of block bitmap is not set [ 338.190655][ T9831] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 338.323156][ T9830] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.933: bg 0: block 32: padding at end of block bitmap is not set [ 338.324017][ T9830] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 338.531170][ T9842] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.934: bg 0: block 32: padding at end of block bitmap is not set [ 338.562198][ T9842] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 338.585986][ T9840] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.935: bg 0: block 32: padding at end of block bitmap is not set [ 338.587498][ T9840] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 338.651715][ T9848] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.936: bg 0: block 32: padding at end of block bitmap is not set [ 338.656855][ T9848] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 338.893039][ T9853] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.937: bg 0: block 32: padding at end of block bitmap is not set [ 338.894668][ T9853] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 339.049501][ T9862] set_capacity_and_notify: 15 callbacks suppressed [ 339.049522][ T9862] loop4: detected capacity change from 0 to 1024 [ 339.127430][ T9858] loop2: detected capacity change from 0 to 1024 [ 339.163212][ T9863] loop0: detected capacity change from 0 to 1024 [ 339.179377][ T9869] loop1: detected capacity change from 0 to 1024 [ 339.213125][ T9862] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.940: bg 0: block 32: padding at end of block bitmap is not set [ 339.213484][ T9859] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.939: bg 0: block 32: padding at end of block bitmap is not set [ 339.243752][ T9858] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.938: bg 0: block 32: padding at end of block bitmap is not set [ 339.247131][ T9858] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 339.256340][ T9859] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 339.256921][ T9862] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 339.343095][ T9863] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.941: bg 0: block 32: padding at end of block bitmap is not set [ 339.371780][ T9863] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 339.391182][ T9869] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.942: bg 0: block 32: padding at end of block bitmap is not set [ 339.407365][ T9869] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 339.940435][ T9884] loop4: detected capacity change from 0 to 1024 [ 340.005926][ T9889] loop0: detected capacity change from 0 to 1024 [ 340.006105][ T9882] loop2: detected capacity change from 0 to 1024 [ 340.009583][ T9885] loop1: detected capacity change from 0 to 1024 [ 340.014892][ T9884] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.945: bg 0: block 32: padding at end of block bitmap is not set [ 340.051409][ T9880] loop3: detected capacity change from 0 to 1024 [ 340.053681][ T9884] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 340.133453][ T9885] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.947: bg 0: block 32: padding at end of block bitmap is not set [ 340.145150][ T9889] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.946: bg 0: block 32: padding at end of block bitmap is not set [ 340.146573][ T9885] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 340.181125][ T9882] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.944: bg 0: block 32: padding at end of block bitmap is not set [ 340.192529][ T9889] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 340.193989][ T9882] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 340.281767][ T9880] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.943: bg 0: block 32: padding at end of block bitmap is not set [ 340.313091][ T9880] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 340.732740][ T9908] loop2: detected capacity change from 0 to 1024 [ 340.887184][ T9908] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.949: bg 0: block 32: padding at end of block bitmap is not set [ 340.893213][ T9908] EXT4-fs error (device loop2) in ext4_setattr:6120: error 28 [ 340.925048][ T9907] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.952: bg 0: block 32: padding at end of block bitmap is not set [ 340.932531][ T9907] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 340.942699][ T9909] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.950: bg 0: block 32: padding at end of block bitmap is not set [ 340.984479][ T9909] EXT4-fs error (device loop0) in ext4_setattr:6120: error 28 [ 341.090757][ T9910] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.951: bg 0: block 32: padding at end of block bitmap is not set [ 341.094307][ T9910] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 341.656417][ T9925] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.954: bg 0: block 32: padding at end of block bitmap is not set [ 341.657805][ T9925] EXT4-fs error (device loop3) in ext4_setattr:6120: Corrupt filesystem [ 341.712468][ T9923] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz.0.955: bg 0: block 32: padding at end of block bitmap is not set [ 341.734193][ T9923] EXT4-fs error (device loop0) in ext4_setattr:6120: Corrupt filesystem [ 341.778494][ T9924] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm syz.2.953: bg 0: block 32: padding at end of block bitmap is not set [ 341.789899][ T9924] EXT4-fs error (device loop2) in ext4_setattr:6120: Corrupt filesystem [ 341.883234][ T9927] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.956: bg 0: block 32: padding at end of block bitmap is not set [ 341.890908][ T9927] EXT4-fs error (device loop1) in ext4_setattr:6120: Corrupt filesystem [ 342.186370][ T9937] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.960: bg 0: block 32: padding at end of block bitmap is not set [ 342.192033][ T9937] EXT4-fs error (device loop4) in ext4_setattr:6120: error 28 [ 342.315192][ T9939] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.957: bg 0: block 32: padding at end of block bitmap is not set [ 342.339265][ T9939] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 2026/06/01 19:37:08 executed programs: 956 [ 342.620906][ T9949] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm syz.1.961: bg 0: block 32: padding at end of block bitmap is not set [ 342.633188][ T9949] EXT4-fs error (device loop1) in ext4_setattr:6120: error 28 [ 342.750390][ T9953] EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.962: bg 0: block 32: padding at end of block bitmap is not set [ 342.751354][ T9953] EXT4-fs error (device loop4) in ext4_setattr:6120: Corrupt filesystem [ 342.888438][ T9957] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm syz.3.963: bg 0: block 32: padding at end of block bitmap is not set [ 342.970625][ T9957] EXT4-fs error (device loop3) in ext4_setattr:6120: error 28 [ 343.073411][ T991] ------------[ cut here ]------------ [ 343.073428][ T991] kernel BUG at fs/ext4/inode.c:2826! [ 343.073489][ T991] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 343.073529][ [ 343.073529][ T991] CPU: 1 UID: 0 PID: 991 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 343.073556][ T991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 343.073573][ T991] Workqueue: writeback wb_workfn (flush-7:3) [ 343.073614][ T991] RIP: 0010:ext4_do_writepages+0x4662/0x4670 [ 343.073654][ T991] Code: c6 e0 1d 64 8b e8 9e b4 a5 fe 90 0f 0b e8 76 41 43 ff 4c 89 f7 48 c7 c6 c0 22 64 8b e8 87 b4 a5 fe 90 0f 0b e8 5f 41 43 ff 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 [ 343.073675][ T991] RSP: 0018:ffffc90005d26d60 EFLAGS: 00010293 [ 343.073694][ T991] RAX: ffffffff82820941 RBX: 0000004210000000 RCX: ffff888025dc9f00 [ 343.073714][ T991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 343.073729][ T991] RBP: ffffc90005d27170 R08: 0000000000000000 R09: 0000000000000000 [ 343.073745][ T991] R10: dffffc0000000000 R11: ffffed1008b575f3 R12: dffffc0000000000 [ 343.073765][ T991] R13: 0000000000000001 R14: 0000004000000000 R15: 1ffff1100b656cf3 [ 343.073782][ T991] FS: 0000000000000000(0000) GS:ffff888125fcd000(0000) knlGS:0000000000000000 [ 343.073802][ T991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 343.073820][ T991] CR2: 0000555569fa4a88 CR3: 0000000044258000 CR4: 00000000003526f0 [ 343.073844][ T991] Call Trace: [ 343.073859][ T991] [ 343.073872][ T991] ? do_raw_spin_lock+0x12b/0x2f0 [ 343.073911][ T991] ? rcu_is_watching+0x15/0xb0 [ 343.073957][ T991] ? look_up_lock_class+0x57/0x110 [ 343.073982][ T991] ? register_lock_class+0x31/0x2e0 [ 343.074015][ T991] ? __pfx_ext4_do_writepages+0x10/0x10 [ 343.074059][ T991] ? __lock_acquire+0x6b5/0x2d10 [ 343.074103][ T991] ? ext4_writepages+0x205/0x3b0 [ 343.074134][ T991] ? ext4_writepages+0x205/0x3b0 [ 343.074172][ T991] ext4_writepages+0x241/0x3b0 [ 343.074205][ T991] ? __pfx_ext4_writepages+0x10/0x10 [ 343.074245][ T991] ? __pfx_ext4_writepages+0x10/0x10 [ 343.074277][ T991] do_writepages+0x32e/0x550 [ 343.074307][ T991] ? rt_mutex_slowunlock+0x4a7/0x8b0 [ 343.074340][ T991] ? reacquire_held_locks+0x104/0x190 [ 343.074375][ T991] ? rt_spin_lock+0x1e0/0x400 [ 343.074422][ T991] __writeback_single_inode+0x133/0x10e0 [ 343.074456][ T991] ? rt_spin_unlock+0x160/0x200 [ 343.074488][ T991] writeback_sb_inodes+0x97f/0x1980 [ 343.074530][ T991] ? lockdep_hardirqs_on+0x7a/0x110 [ 343.074557][ T991] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 343.074607][ T991] ? rcu_is_watching+0x15/0xb0 [ 343.074648][ T991] wb_writeback+0x445/0xb00 [ 343.074680][ T991] ? queue_io+0x221/0x440 [ 343.074710][ T991] ? __pfx_wb_writeback+0x10/0x10 [ 343.074747][ T991] wb_workfn+0x3fd/0xf20 [ 343.074768][ T991] ? look_up_lock_class+0x57/0x110 [ 343.074791][ T991] ? trace_hrtimer_start+0x82/0x200 [ 343.074824][ T991] ? __pfx_wb_workfn+0x10/0x10 [ 343.074849][ T991] ? do_raw_spin_lock+0x12b/0x2f0 [ 343.074877][ T991] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 343.074906][ T991] ? process_one_work+0x8be/0x1630 [ 343.074944][ T991] ? process_one_work+0x8be/0x1630 [ 343.074988][ T991] ? process_one_work+0x8be/0x1630 [ 343.075026][ T991] process_one_work+0x98b/0x1630 [ 343.075076][ T991] ? __pfx_process_one_work+0x10/0x10 [ 343.075115][ T991] ? do_raw_spin_lock+0x12b/0x2f0 [ 343.075150][ T991] worker_thread+0xb49/0x1140 [ 343.075187][ T991] kthread+0x388/0x470 [ 343.075218][ T991] ? __pfx_worker_thread+0x10/0x10 [ 343.075240][ T991] ? __pfx_kthread+0x10/0x10 [ 343.075270][ T991] ret_from_fork+0x514/0xb70 [ 343.075304][ T991] ? __pfx_ret_from_fork+0x10/0x10 [ 343.075336][ T991] ? __switch_to+0xc79/0x1410 [ 343.075363][ T991] ? __pfx_kthread+0x10/0x10 [ 343.075403][ T991] ret_from_fork_asm+0x1a/0x30 [ 343.075450][ T991] [ 343.075467][ T991] Modules linked in: [ 343.075550][ T991] ---[ end trace 0000000000000000 ]--- [ 343.096865][ T991] RIP: 0010:ext4_do_writepages+0x4662/0x4670 [ 343.097003][ T991] Code: c6 e0 1d 64 8b e8 9e b4 a5 fe 90 0f 0b e8 76 41 43 ff 4c 89 f7 48 c7 c6 c0 22 64 8b e8 87 b4 a5 fe 90 0f 0b e8 5f 41 43 ff 90 <0f> 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 [ 343.097054][ T991] RSP: 0018:ffffc90005d26d60 EFLAGS: 00010293 [ 343.097077][ T991] RAX: ffffffff82820941 RBX: 0000004210000000 RCX: ffff888025dc9f00 [ 343.097097][ T991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 343.097112][ T991] RBP: ffffc90005d27170 R08: 0000000000000000 R09: 0000000000000000 [ 343.097126][ T991] R10: dffffc0000000000 R11: ffffed1008b575f3 R12: dffffc0000000000 [ 343.097145][ T991] R13: 0000000000000001 R14: 0000004000000000 R15: 1ffff1100b656cf3 [ 343.097162][ T991] FS: 0000000000000000(0000) GS:ffff888125fcd000(0000) knlGS:0000000000000000 [ 343.097183][ T991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 343.097216][ T991] CR2: 0000555569fa4a88 CR3: 000000003c3e6000 CR4: 00000000003526f0 [ 343.097294][ T991] Kernel panic - not syncing: Fatal exception [ 343.097536][ T991] Kernel Offset: disabled