op1): mount failed
[   78.541796][ T8652] loop5: detected capacity change from 0 to 519
[   78.584731][ T8658] loop2: detected capacity change from 0 to 512
[   78.602276][ T8656] loop1: detected capacity change from 0 to 519
[   78.616350][ T8673] loop5: detected capacity change from 0 to 519
[   78.669773][ T8682] loop3: detected capacity change from 0 to 512
[   78.678650][ T8685] loop4: detected capacity change from 0 to 512
[   78.695801][ T8679] loop0: detected capacity change from 0 to 512
[   78.708931][ T8689] loop1: detected capacity change from 0 to 512
[   78.720054][ T8694] loop5: detected capacity change from 0 to 512
[   78.771892][ T8682] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   78.788734][ T8709] loop0: detected capacity change from 0 to 512
[   78.795753][ T8707] loop2: detected capacity change from 0 to 519
[   78.817874][ T8694] EXT4-fs (loop5): Magic mismatch, very weird!
[   78.830079][ T8685] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.
[   78.845062][ T8714] loop1: detected capacity change from 0 to 512
[   78.870382][ T8685] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/461/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   78.885346][ T8682] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/444/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   78.887169][ T8707] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[   78.933304][  T353] EXT4-fs (loop3): unmounting filesystem.
[   78.976821][ T8709] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[   79.006079][ T8727] loop3: detected capacity change from 0 to 512
[   79.017162][ T8709] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/428/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   79.046227][  T347] EXT4-fs (loop4): unmounting filesystem.
[   79.067666][ T8732] loop5: detected capacity change from 0 to 512
[   79.093496][ T8743] loop3: detected capacity change from 0 to 512
[   79.102488][ T8745] loop1: detected capacity change from 0 to 512
[   79.119122][ T8743] EXT4-fs (loop3): VFS: Can't find ext4 filesystem
[   79.133350][  T346] EXT4-fs (loop0): unmounting filesystem.
[   79.137545][ T8753] loop5: detected capacity change from 0 to 512
[   79.139849][ T8747] loop4: detected capacity change from 0 to 512
[   79.162010][ T8758] loop2: detected capacity change from 0 to 512
[   79.172546][ T8753] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[   79.185247][ T8745] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[   79.200606][ T8761] loop3: detected capacity change from 0 to 512
[   79.225635][ T8747] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.
[   79.252551][ T8747] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/462/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   79.255755][ T8745] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/446/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   79.282318][ T8758] EXT4-fs (loop2): revision level too high, forcing read-only mode
[   79.285962][  T347] EXT4-fs (loop4): unmounting filesystem.
[   79.297908][ T8771] loop3: detected capacity change from 0 to 512
[   79.311620][ T8758] EXT4-fs (loop2): failed to initialize system zone (-117)
[   79.321413][ T8766] loop0: detected capacity change from 0 to 512
[   79.324319][ T8758] EXT4-fs (loop2): mount failed
[   79.358974][  T343] EXT4-fs (loop1): unmounting filesystem.
[   79.405383][ T8783] loop5: detected capacity change from 0 to 512
[   79.442374][ T8789] loop3: detected capacity change from 0 to 512
[   79.457854][ T8795] loop4: detected capacity change from 0 to 512
[   79.467927][ T8783] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
[   79.494239][ T8783] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/448/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   79.511412][ T8810] loop2: detected capacity change from 0 to 512
[   79.521554][ T8813] loop3: detected capacity change from 0 to 512
[   79.528330][ T8810] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[   79.531678][ T8815] loop0: detected capacity change from 0 to 512
[   79.553936][  T351] EXT4-fs (loop5): unmounting filesystem.
[   79.604233][ T8819] loop1: detected capacity change from 0 to 512
[   79.632368][ T8815] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[   79.633821][ T8813] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   79.664290][ T8813] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/450/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   79.678505][ T8833] loop4: detected capacity change from 0 to 512
[   79.725876][ T8839] loop5: detected capacity change from 0 to 512
[   79.743627][ T8841] loop1: detected capacity change from 0 to 512
[   79.751686][ T8839] EXT4-fs (loop5): VFS: Can't find ext4 filesystem
[   79.754212][ T8833] EXT4-fs (loop4): Magic mismatch, very weird!
[   79.766777][  T353] EXT4-fs (loop3): unmounting filesystem.
[   79.827270][ T8860] loop2: detected capacity change from 0 to 512
[   79.837008][ T8867] loop5: detected capacity change from 0 to 512
[   79.866758][ T8864] loop4: detected capacity change from 0 to 512
[   79.885633][ T8860] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[   79.917726][ T8884] loop1: detected capacity change from 0 to 512
[   79.938051][ T8878] loop0: detected capacity change from 0 to 512
[   79.948155][ T8893] loop4: detected capacity change from 0 to 512
[   79.984363][ T8900] loop5: detected capacity change from 0 to 512
[   79.990135][ T8896] loop2: detected capacity change from 0 to 512
[   80.028565][ T8914] loop4: detected capacity change from 0 to 512
[   80.037788][ T8899] blk_print_req_error: 468 callbacks suppressed
[   80.037805][ T8899] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   80.056802][ T8913] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   80.111124][ T8934] loop3: detected capacity change from 0 to 512
[   80.118953][ T8939] loop0: detected capacity change from 0 to 512
[   80.146644][ T8933] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   80.149358][ T8948] loop1: detected capacity change from 0 to 512
[   80.162389][ T8933] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   80.193771][ T8947] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   80.198537][ T8963] loop0: detected capacity change from 0 to 512
[   80.210500][ T8960] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   80.210884][ T8955] loop2: detected capacity change from 0 to 512
[   80.224843][ T8957] loop4: detected capacity change from 0 to 512
[   80.267950][ T8966] loop5: detected capacity change from 0 to 519
[   80.291762][ T8972] loop3: detected capacity change from 0 to 517
[   80.322511][ T8995] loop2: detected capacity change from 0 to 512
[   80.332643][ T8990] loop1: detected capacity change from 0 to 512
[   80.343333][ T9000] loop3: detected capacity change from 0 to 512
[   80.351733][ T8993] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   80.406436][ T9022] loop1: detected capacity change from 0 to 512
[   80.429947][ T9022] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[   80.437799][ T9000] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   80.463579][ T9000] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/459/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   80.499820][  T353] EXT4-fs (loop3): unmounting filesystem.
[   80.504204][ T9053] loop1: detected capacity change from 0 to 512
[   80.508532][ T9043] loop5: detected capacity change from 0 to 512
[   80.520857][ T9048] loop4: detected capacity change from 0 to 512
[   80.558165][ T9065] loop3: detected capacity change from 0 to 512
[   80.564813][ T9058] loop0: detected capacity change from 0 to 518
[   80.568140][ T9064] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   80.583986][ T9068] EXT4-fs warning (device loop1): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   80.603356][ T9053] EXT4-fs (loop1): revision level too high, forcing read-only mode
[   80.617701][ T9078] loop4: detected capacity change from 0 to 512
[   80.624866][ T9053] EXT4-fs (loop1): failed to initialize system zone (-117)
[   80.632224][ T9053] EXT4-fs (loop1): mount failed
[   80.649411][ T9078] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[   80.676323][ T9087] loop0: detected capacity change from 0 to 512
[   80.687155][ T9084] loop5: detected capacity change from 0 to 512
[   80.702693][ T9087] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[   80.732272][ T9105] loop2: detected capacity change from 0 to 512
[   80.757824][ T9110] loop0: detected capacity change from 0 to 518
[   80.776968][ T9124] loop4: detected capacity change from 0 to 512
[   80.780683][ T9108] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   80.793064][ T9108] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   80.802571][ T9108] buffer_io_error: 433 callbacks suppressed
[   80.802587][ T9108] Buffer I/O error on dev loop0, logical block 0, async page read
[   80.822399][ T9129] loop1: detected capacity change from 0 to 512
[   80.851262][ T9105] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[   80.853196][ T9136] loop3: detected capacity change from 0 to 512
[   80.861319][ T9105] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/490/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   80.895055][ T9129] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[   80.906994][ T9129] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/465/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   80.922882][  T348] EXT4-fs (loop2): unmounting filesystem.
[   80.932119][  T343] EXT4-fs (loop1): unmounting filesystem.
[   80.946411][ T9154] loop3: detected capacity change from 0 to 512
[   80.966794][ T9154] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[   80.983121][ T9166] loop2: detected capacity change from 0 to 519
[   80.991937][ T9165] Buffer I/O error on dev loop2, logical block 0, async page read
[   81.000141][ T9165] Buffer I/O error on dev loop2, logical block 0, async page read
[   81.022588][ T9177] loop4: detected capacity change from 0 to 512
[   81.056947][ T9184] loop0: detected capacity change from 0 to 518
[   81.074545][ T9193] loop2: detected capacity change from 0 to 512
[   81.102253][ T9203] loop4: detected capacity change from 0 to 512
[   81.106439][ T9196] loop3: detected capacity change from 0 to 512
[   81.129974][ T9201] Buffer I/O error on dev loop4, logical block 0, async page read
[   81.157166][ T9193] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[   81.169264][ T9193] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/492/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   81.198099][ T9232] loop0: detected capacity change from 0 to 512
[   81.208085][ T9225] loop1: detected capacity change from 0 to 512
[   81.229388][  T348] EXT4-fs (loop2): unmounting filesystem.
[   81.244603][ T9235] loop3: detected capacity change from 0 to 512
[   81.245114][ T9234] Buffer I/O error on dev loop3, logical block 0, async page read
[   81.251226][ T9238] loop4: detected capacity change from 0 to 512
[   81.259416][ T9225] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[   81.265793][ T9232] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[   81.349283][ T9258] loop3: detected capacity change from 0 to 512
[   81.371504][ T9271] loop0: detected capacity change from 0 to 512
[   81.388549][ T9277] loop1: detected capacity change from 0 to 512
[   81.395229][ T9276] Buffer I/O error on dev loop1, logical block 0, async page read
[   81.416314][ T9264] Buffer I/O error on dev loop0, logical block 0, async page read
[   81.424620][ T9285] loop2: detected capacity change from 0 to 512
[   81.457118][ T9295] loop3: detected capacity change from 0 to 512
[   81.478896][ T9308] loop4: detected capacity change from 0 to 512
[   81.497297][ T9319] loop0: detected capacity change from 0 to 512
[   81.499721][ T9304] Buffer I/O error on dev loop4, logical block 0, async page read
[   81.533522][ T9328] loop5: detected capacity change from 0 to 512
[   81.550982][ T9319] EXT4-fs (loop0): Magic mismatch, very weird!
[   81.559711][ T9337] loop3: detected capacity change from 0 to 512
[   81.597509][ T9337] EXT4-fs (loop3): Magic mismatch, very weird!
[   81.602093][ T9351] loop0: detected capacity change from 0 to 512
[   81.629125][ T9364] loop5: detected capacity change from 0 to 512
[   81.640121][ T9367] loop4: detected capacity change from 0 to 512
[   81.650767][ T9374] loop1: detected capacity change from 0 to 512
[   81.657893][ T9363] Buffer I/O error on dev loop5, logical block 0, async page read
[   81.670986][ T9370] Buffer I/O error on dev loop1, logical block 0, async page read
[   81.690205][ T9379] loop2: detected capacity change from 0 to 512
[   81.700011][ T9382] loop3: detected capacity change from 0 to 512
2025/10/11 16:40:51 executed programs: 2906
[   81.723666][ T9351] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[   81.741841][ T9351] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/460/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   81.766123][  T346] EXT4-fs (loop0): unmounting filesystem.
[   81.782950][ T9379] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[   81.786268][ T9406] loop1: detected capacity change from 0 to 512
[   81.801131][ T9396] loop5: detected capacity change from 0 to 512
[   81.822334][ T9379] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/502/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   81.841808][ T9416] loop4: detected capacity change from 0 to 519
[   81.859825][  T348] EXT4-fs (loop2): unmounting filesystem.
[   81.867055][ T9418] loop1: detected capacity change from 0 to 512
[   81.890509][ T9427] loop3: detected capacity change from 0 to 512
[   81.902978][ T9437] loop2: detected capacity change from 0 to 512
[   81.970897][ T9463] loop3: detected capacity change from 0 to 512
[   81.979288][ T9469] loop1: detected capacity change from 0 to 512
[   81.985603][ T9465] loop0: detected capacity change from 0 to 512
[   82.027116][ T9491] loop2: detected capacity change from 0 to 512
[   82.065850][ T9506] loop0: detected capacity change from 0 to 512
[   82.068981][ T9511] loop1: detected capacity change from 0 to 512
[   82.101977][ T9526] loop5: detected capacity change from 0 to 512
[   82.112134][ T9518] loop4: detected capacity change from 0 to 519
[   82.130666][ T9529] loop0: detected capacity change from 0 to 512
[   82.169528][ T9546] loop2: detected capacity change from 0 to 512
[   82.192875][ T9554] loop0: detected capacity change from 0 to 512
[   82.213970][ T9557] loop3: detected capacity change from 0 to 517
[   82.220793][ T9562] loop1: detected capacity change from 0 to 512
[   82.235129][ T9571] loop5: detected capacity change from 0 to 512
[   82.241326][ T9546] EXT4-fs (loop2): revision level too high, forcing read-only mode
[   82.249819][ T9546] EXT4-fs (loop2): failed to initialize system zone (-117)
[   82.257971][ T9546] EXT4-fs (loop2): mount failed
[   82.274430][ T9571] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[   82.274904][ T9574] loop4: detected capacity change from 0 to 512
[   82.302373][ T9577] loop0: detected capacity change from 0 to 518
[   82.314446][ T9581] loop3: detected capacity change from 0 to 512
[   82.325145][ T9574] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[   82.379534][ T9599] loop5: detected capacity change from 0 to 512
[   82.389308][ T9607] loop3: detected capacity change from 0 to 512
[   82.415456][ T9610] loop1: detected capacity change from 0 to 519
[   82.431404][ T9620] loop0: detected capacity change from 0 to 512
[   82.460438][ T9626] loop4: detected capacity change from 0 to 512
[   82.502140][ T9651] loop1: detected capacity change from 0 to 512
[   82.517863][ T9640] loop3: detected capacity change from 0 to 512
[   82.539080][ T9667] loop5: detected capacity change from 0 to 512
[   82.586532][ T9679] loop1: detected capacity change from 0 to 512
[   82.595003][ T9667] EXT4-fs (loop5): Magic mismatch, very weird!
[   82.619441][ T9695] loop4: detected capacity change from 0 to 512
[   82.628345][ T9697] loop2: detected capacity change from 0 to 512
[   82.647463][ T9701] loop0: detected capacity change from 0 to 512
[   82.651876][ T9702] loop3: detected capacity change from 0 to 512
[   82.682367][ T9714] loop2: detected capacity change from 0 to 512
[   82.689905][ T9695] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.
[   82.699941][ T9701] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[   82.706647][ T9695] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/514/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   82.732779][ T9723] loop3: detected capacity change from 0 to 512
[   82.740063][  T347] EXT4-fs (loop4): unmounting filesystem.
[   82.749161][ T9720] loop1: detected capacity change from 0 to 512
[   82.760129][ T9728] loop0: detected capacity change from 0 to 512
[   82.772764][ T9723] EXT4-fs (loop3): VFS: Can't find ext4 filesystem
[   82.779700][ T9734] loop4: detected capacity change from 0 to 512
[   82.787633][ T9714] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[   82.807086][ T9714] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/519/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   82.808754][ T9739] loop3: detected capacity change from 0 to 512
[   82.836867][ T9734] EXT4-fs (loop4): revision level too high, forcing read-only mode
[   82.845436][ T9734] EXT4-fs (loop4): failed to initialize system zone (-117)
[   82.850304][ T9745] loop1: detected capacity change from 0 to 512
[   82.852737][ T9734] EXT4-fs (loop4): mount failed
[   82.872115][  T348] EXT4-fs (loop2): unmounting filesystem.
[   82.877119][ T9751] loop0: detected capacity change from 0 to 512
[   82.905376][ T9761] loop1: detected capacity change from 0 to 512
[   82.920361][ T9769] loop4: detected capacity change from 0 to 512
[   82.942505][ T9776] loop2: detected capacity change from 0 to 512
[   82.972331][ T9784] loop5: detected capacity change from 0 to 512
[   83.008928][ T9796] loop0: detected capacity change from 0 to 518
[   83.034355][ T9804] loop5: detected capacity change from 0 to 512
[   83.037696][ T9805] loop2: detected capacity change from 0 to 512
[   83.071806][ T9820] loop1: detected capacity change from 0 to 512
[   83.078279][ T9815] loop3: detected capacity change from 0 to 512
[   83.083224][ T9816] loop4: detected capacity change from 0 to 512
[   83.099012][ T9826] loop0: detected capacity change from 0 to 512
[   83.120345][ T9832] loop2: detected capacity change from 0 to 512
[   83.146255][ T9838] loop3: detected capacity change from 0 to 512
[   83.153366][ T9836] loop1: detected capacity change from 0 to 512
[   83.188715][ T9851] loop2: detected capacity change from 0 to 519
[   83.214998][ T9864] loop0: detected capacity change from 0 to 512
[   83.231371][ T9838] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   83.256645][ T9838] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/502/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   83.297594][ T9836] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[   83.307620][ T9836] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/504/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   83.323208][  T353] EXT4-fs (loop3): unmounting filesystem.
[   83.352929][  T343] EXT4-fs (loop1): unmounting filesystem.
[   83.385921][ T9881] loop0: detected capacity change from 0 to 512
[   83.389685][ T9892] loop5: detected capacity change from 0 to 512
[   83.409744][ T9898] loop3: detected capacity change from 0 to 512
[   83.422239][ T9894] loop2: detected capacity change from 0 to 519
[   83.433922][ T9895] loop4: detected capacity change from 0 to 512
[   83.456224][ T9898] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   83.473497][ T9916] loop2: detected capacity change from 0 to 512
[   83.480034][ T9898] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/503/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   83.508216][ T9924] loop2: detected capacity change from 0 to 519
[   83.519283][  T353] EXT4-fs (loop3): unmounting filesystem.
[   83.565514][ T9939] loop1: detected capacity change from 0 to 512
[   83.569469][ T9943] loop5: detected capacity change from 0 to 512
[   83.586641][ T9950] loop0: detected capacity change from 0 to 512
[   83.587755][ T9949] loop3: detected capacity change from 0 to 512
[   83.630315][ T9958] loop4: detected capacity change from 0 to 512
[   83.642504][ T9939] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[   83.653562][ T9965] loop5: detected capacity change from 0 to 512
[   83.682563][ T9973] loop4: detected capacity change from 0 to 512
[   83.700107][ T9977] loop3: detected capacity change from 0 to 512
[   83.714191][ T9939] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/508/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   83.864206][ T9987] loop5: detected capacity change from 0 to 512
[   83.871535][  T343] EXT4-fs (loop1): unmounting filesystem.
[   83.901722][ T9996] loop3: detected capacity change from 0 to 512
[   83.920883][T10003] loop4: detected capacity change from 0 to 512
[   83.971195][T10015] loop0: detected capacity change from 0 to 512
[   83.979584][T10012] loop1: detected capacity change from 0 to 512
[   84.139648][T10063] loop0: detected capacity change from 0 to 512
[   84.148896][T10068] loop1: detected capacity change from 0 to 512
[   84.162798][T10072] loop5: detected capacity change from 0 to 512
[   84.181108][T10076] loop3: detected capacity change from 0 to 512
[   84.188992][T10080] loop4: detected capacity change from 0 to 519
[   84.218408][T10088] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   84.220518][T10072] EXT4-fs (loop5): revision level too high, forcing read-only mode
[   84.232350][T10086] EXT4-fs warning (device loop1): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   84.238634][T10089] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   84.268980][T10063] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[   84.278409][T10080] EXT4-fs (loop4): revision level too high, forcing read-only mode
[   84.313617][T10098] loop2: detected capacity change from 0 to 512
[   84.320355][T10076] EXT4-fs (loop3): revision level too high, forcing read-only mode
[   84.337244][T10068] EXT4-fs (loop1): revision level too high, forcing read-only mode
[   84.364880][T10068] EXT4-fs (loop1): failed to initialize system zone (-117)
[   84.372390][T10076] EXT4-fs (loop3): failed to initialize system zone (-117)
[   84.375533][T10080] EXT4-fs (loop4): failed to initialize system zone (-117)
[   84.379859][T10063] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/497/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   84.401825][T10072] EXT4-fs (loop5): failed to initialize system zone (-117)
[   84.411632][T10080] EXT4-fs (loop4): mount failed
[   84.433887][T10072] EXT4-fs (loop5): mount failed
[   84.441214][T10076] EXT4-fs (loop3): mount failed
[   84.447682][T10068] EXT4-fs (loop1): mount failed
[   84.493907][T10102] loop2: detected capacity change from 0 to 512
[   84.504707][T10104] loop4: detected capacity change from 0 to 512
[   84.527095][  T346] EXT4-fs (loop0): unmounting filesystem.
[   84.536182][T10108] loop5: detected capacity change from 0 to 512
[   84.602290][T10122] loop0: detected capacity change from 0 to 512
[   84.609049][T10126] loop2: detected capacity change from 0 to 519
[   84.677322][T10141] loop5: detected capacity change from 0 to 512
[   84.711934][T10156] loop1: detected capacity change from 0 to 512
[   84.773704][T10171] loop0: detected capacity change from 0 to 518
[   84.800195][T10171] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[   84.821255][T10185] loop3: detected capacity change from 0 to 517
[   84.824207][T10187] loop4: detected capacity change from 0 to 512
[   84.827822][T10171] EXT4-fs (loop0): group descriptors corrupted!
[   84.860895][T10195] loop2: detected capacity change from 0 to 512
[   84.903531][T10203] loop5: detected capacity change from 0 to 512
[   84.929335][T10207] loop4: detected capacity change from 0 to 512
[   84.960296][T10185] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   84.976859][T10212] loop0: detected capacity change from 0 to 512
[   84.986817][T10214] loop1: detected capacity change from 0 to 512
[   84.993628][T10216] loop2: detected capacity change from 0 to 512
[   85.001868][T10185] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/519/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   85.067662][T10222] loop4: detected capacity change from 0 to 512
[   85.097314][T10226] loop0: detected capacity change from 0 to 518
[   85.153996][T10236] loop1: detected capacity change from 0 to 512
[   85.176279][  T353] EXT4-fs (loop3): unmounting filesystem.
[   85.185455][T10243] loop2: detected capacity change from 0 to 512
[   85.194963][T10236] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[   85.227195][T10251] loop4: detected capacity change from 0 to 512
[   85.243856][T10243] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[   85.257058][T10260] loop0: detected capacity change from 0 to 512
[   85.273094][T10260] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[   85.289967][T10260] EXT4-fs (loop0): group descriptors corrupted!
[   85.306483][T10243] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/547/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   85.373825][T10280] loop0: detected capacity change from 0 to 512
[   85.406738][  T348] EXT4-fs (loop2): unmounting filesystem.
[   85.434158][T10279] blk_print_req_error: 671 callbacks suppressed
[   85.434176][T10279] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   85.456025][T10294] loop1: detected capacity change from 0 to 512
[   85.489165][T10301] loop4: detected capacity change from 0 to 512
[   85.499717][T10307] loop5: detected capacity change from 0 to 512
[   85.519690][T10302] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   85.550313][T10292] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   85.560299][T10292] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   85.587123][T10294] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[   85.598519][T10319] loop3: detected capacity change from 0 to 512
[   85.670909][T10294] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/522/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   85.690061][T10330] loop5: detected capacity change from 0 to 512
[   85.715416][T10327] loop0: detected capacity change from 0 to 512
[   85.746203][T10319] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[   85.764813][T10330] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[   85.791256][T10336] loop2: detected capacity change from 0 to 519
[   85.799631][  T343] EXT4-fs (loop1): unmounting filesystem.
[   85.814183][T10335] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   85.824888][T10335] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   85.836864][T10335] buffer_io_error: 619 callbacks suppressed
[   85.836878][T10335] Buffer I/O error on dev loop2, logical block 0, async page read
[   85.871438][T10354] loop1: detected capacity change from 0 to 512
[   85.873416][T10352] loop5: detected capacity change from 0 to 512
[   85.878300][T10345] loop0: detected capacity change from 0 to 512
[   85.893282][T10349] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   85.916540][T10347] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   85.928749][T10363] loop4: detected capacity change from 0 to 512
[   85.960424][T10370] loop2: detected capacity change from 0 to 512
[   85.983730][T10372] loop5: detected capacity change from 0 to 512
[   85.994522][T10363] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[   85.997782][T10365] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   86.013484][T10363] EXT4-fs (loop4): group descriptors corrupted!
[   86.025950][T10365] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   86.040007][T10376] loop3: detected capacity change from 0 to 512
[   86.047843][T10365] Buffer I/O error on dev loop2, logical block 0, async page read
[   86.120006][T10392] loop0: detected capacity change from 0 to 512
[   86.155728][T10398] loop5: detected capacity change from 0 to 512
[   86.170228][T10406] loop1: detected capacity change from 0 to 512
[   86.179160][T10413] loop0: detected capacity change from 0 to 512
[   86.193663][T10412] Buffer I/O error on dev loop0, logical block 0, async page read
[   86.205401][T10419] loop4: detected capacity change from 0 to 512
[   86.213556][T10402] Buffer I/O error on dev loop1, logical block 0, async page read
[   86.229702][T10415] Buffer I/O error on dev loop4, logical block 0, async page read
[   86.236446][T10421] loop2: detected capacity change from 0 to 512
[   86.246182][T10402] Buffer I/O error on dev loop1, logical block 0, async page read
[   86.257766][T10415] Buffer I/O error on dev loop4, logical block 0, async page read
[   86.273800][T10428] loop3: detected capacity change from 0 to 512
[   86.302070][T10437] loop1: detected capacity change from 0 to 512
[   86.310987][T10421] EXT4-fs (loop2): VFS: Can't find ext4 filesystem
[   86.340076][T10436] Buffer I/O error on dev loop1, logical block 0, async page read
[   86.343608][T10446] loop0: detected capacity change from 0 to 512
[   86.361487][T10436] Buffer I/O error on dev loop1, logical block 0, async page read
[   86.387066][T10428] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[   86.394457][T10442] Buffer I/O error on dev loop0, logical block 0, async page read
[   86.498203][T10472] loop4: detected capacity change from 0 to 512
[   86.505062][T10474] loop2: detected capacity change from 0 to 512
[   86.516051][T10467] loop1: detected capacity change from 0 to 512
[   86.581483][T10491] loop1: detected capacity change from 0 to 512
[   86.598531][T10474] EXT4-fs (loop2): VFS: Can't find ext4 filesystem
[   86.606649][T10499] loop4: detected capacity change from 0 to 512
[   86.630623][T10504] loop0: detected capacity change from 0 to 518
[   86.637359][T10506] loop5: detected capacity change from 0 to 512
2025/10/11 16:40:56 executed programs: 3265
[   86.687913][T10512] loop3: detected capacity change from 0 to 512
[   86.762981][T10519] loop0: detected capacity change from 0 to 512
[   86.798650][T10536] loop4: detected capacity change from 0 to 512
[   86.837434][T10546] loop3: detected capacity change from 0 to 512
[   86.851671][T10549] loop0: detected capacity change from 0 to 512
[   86.862028][T10554] loop4: detected capacity change from 0 to 512
[   86.884226][T10562] loop2: detected capacity change from 0 to 512
[   86.954712][T10576] loop0: detected capacity change from 0 to 512
[   87.008155][T10595] loop4: detected capacity change from 0 to 512
[   87.053987][T10612] loop2: detected capacity change from 0 to 512
[   87.100752][T10627] loop5: detected capacity change from 0 to 512
[   87.114820][T10612] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[   87.168946][T10642] loop0: detected capacity change from 0 to 512
[   87.214390][T10652] loop3: detected capacity change from 0 to 517
[   87.238879][T10642] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[   87.301402][T10682] loop0: detected capacity change from 0 to 512
[   87.311633][T10672] loop1: detected capacity change from 0 to 512
[   87.328088][T10679] loop4: detected capacity change from 0 to 519
[   87.350918][T10691] loop3: detected capacity change from 0 to 512
[   87.393286][T10700] loop1: detected capacity change from 0 to 512
[   87.419935][T10709] loop4: detected capacity change from 0 to 512
[   87.473725][T10700] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[   87.538340][T10740] loop4: detected capacity change from 0 to 512
[   87.542421][T10730] loop0: detected capacity change from 0 to 518
[   87.549454][T10733] loop2: detected capacity change from 0 to 519
[   87.573676][T10745] loop5: detected capacity change from 0 to 512
[   87.612442][T10749] loop0: detected capacity change from 0 to 512
[   87.621705][T10753] loop1: detected capacity change from 0 to 512
[   87.700261][T10749] EXT4-fs (loop0): revision level too high, forcing read-only mode
[   87.717795][T10749] EXT4-fs (loop0): failed to initialize system zone (-117)
[   87.725517][T10749] EXT4-fs (loop0): mount failed
[   87.736727][T10778] loop5: detected capacity change from 0 to 512
[   87.766122][T10789] loop2: detected capacity change from 0 to 512
[   87.881339][T10835] loop5: detected capacity change from 0 to 512
[   87.917269][T10846] loop3: detected capacity change from 0 to 512
[   88.005450][T10876] loop5: detected capacity change from 0 to 512
[   88.087656][T10909] loop0: detected capacity change from 0 to 512
[   88.092588][T10899] loop1: detected capacity change from 0 to 519
[   88.121430][T10919] loop5: detected capacity change from 0 to 512
[   88.149730][T10925] loop3: detected capacity change from 0 to 512
[   88.187517][T10933] loop0: detected capacity change from 0 to 512
[   88.206152][T10935] loop4: detected capacity change from 0 to 512
[   88.217531][T10937] loop1: detected capacity change from 0 to 512
[   88.238297][T10943] loop2: detected capacity change from 0 to 512
[   88.296739][T10943] EXT4-fs (loop2): VFS: Can't find ext4 filesystem
[   88.315322][T10955] loop0: detected capacity change from 0 to 512
[   88.349967][T10976] loop3: detected capacity change from 0 to 512
[   88.381942][T10987] loop1: detected capacity change from 0 to 512
[   88.426447][T11002] loop5: detected capacity change from 0 to 512
[   88.467478][T10987] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[   88.478653][T10987] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/558/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   88.483453][T10976] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   88.503402][T10976] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/567/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   88.527028][  T343] EXT4-fs (loop1): unmounting filesystem.
[   88.555490][  T353] EXT4-fs (loop3): unmounting filesystem.
[   88.604632][T11040] loop2: detected capacity change from 0 to 512
[   88.614628][T11032] loop5: detected capacity change from 0 to 512
[   88.626683][T11042] loop3: detected capacity change from 0 to 512
[   88.633251][T11037] loop4: detected capacity change from 0 to 512
[   88.642970][T11045] loop1: detected capacity change from 0 to 519
[   88.651602][T11031] loop0: detected capacity change from 0 to 512
[   88.667196][T11032] EXT4-fs (loop5): revision level too high, forcing read-only mode
[   88.709186][T11032] EXT4-fs (loop5): failed to initialize system zone (-117)
[   88.719479][T11032] EXT4-fs (loop5): mount failed
[   88.740657][T11053] loop2: detected capacity change from 0 to 512
[   88.752985][T11042] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[   88.763279][T11042] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/568/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   88.816046][  T353] EXT4-fs (loop3): unmounting filesystem.
[   88.848142][T11067] loop1: detected capacity change from 0 to 512
[   88.893978][T11078] loop4: detected capacity change from 0 to 512
[   88.908424][T11077] loop0: detected capacity change from 0 to 512
[   88.979789][T11107] loop1: detected capacity change from 0 to 512
[   88.993376][T11114] loop4: detected capacity change from 0 to 512
[   89.002266][T11111] loop0: detected capacity change from 0 to 512
[   89.023776][T11122] loop5: detected capacity change from 0 to 512
[   89.024127][T11117] loop2: detected capacity change from 0 to 512
[   89.056927][T11126] loop3: detected capacity change from 0 to 512
[   89.088227][T11129] loop0: detected capacity change from 0 to 512
[   89.106503][T11117] EXT4-fs (loop2): VFS: Can't find ext4 filesystem
[   89.116319][T11114] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/593/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   89.171898][T11132] loop1: detected capacity change from 0 to 519
[   89.180857][T11136] EXT4-fs warning (device loop5): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   89.219258][T11122] EXT4-fs (loop5): revision level too high, forcing read-only mode
[   89.236008][T11145] loop2: detected capacity change from 0 to 512
[   89.238902][T11151] loop1: detected capacity change from 0 to 512
[   89.248709][T11122] EXT4-fs (loop5): failed to initialize system zone (-117)
[   89.294997][T11122] EXT4-fs (loop5): mount failed
[   89.334380][T11167] EXT4-fs warning (device loop1): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   89.335147][T11170] loop2: detected capacity change from 0 to 512
[   89.367026][T11151] EXT4-fs (loop1): revision level too high, forcing read-only mode
[   89.372491][T11181] loop4: detected capacity change from 0 to 512
[   89.393644][T11151] EXT4-fs (loop1): failed to initialize system zone (-117)
[   89.435364][T11151] EXT4-fs (loop1): mount failed
[   89.446923][T11186] loop0: detected capacity change from 0 to 512
[   89.477465][T11194] loop4: detected capacity change from 0 to 512
[   89.504861][T11186] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[   89.552300][T11219] loop5: detected capacity change from 0 to 512
[   89.578614][T11224] loop2: detected capacity change from 0 to 512
[   89.589145][T11229] loop4: detected capacity change from 0 to 512
[   89.622674][T11237] loop1: detected capacity change from 0 to 512
[   89.631201][T11219] EXT4-fs (loop5): Magic mismatch, very weird!
[   89.668788][T11244] loop0: detected capacity change from 0 to 512
[   89.672984][T11237] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[   89.691725][T11240] loop3: detected capacity change from 0 to 512
[   89.742868][T11266] loop4: detected capacity change from 0 to 512
[   89.771271][T11275] loop2: detected capacity change from 0 to 512
[   89.803593][T11281] loop5: detected capacity change from 0 to 519
[   89.808695][T11283] loop0: detected capacity change from 0 to 518
[   89.884173][T11293] loop1: detected capacity change from 0 to 519
[   89.898926][T11266] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/601/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   89.906407][T11301] loop3: detected capacity change from 0 to 512
[   89.922779][T11303] loop5: detected capacity change from 0 to 512
[   89.960078][T11303] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[   89.999734][T11317] loop3: detected capacity change from 0 to 512
[   90.084012][T11337] loop1: detected capacity change from 0 to 519
[   90.153273][T11364] loop4: detected capacity change from 0 to 519
[   90.156502][T11361] loop5: detected capacity change from 0 to 512
[   90.167044][T11358] loop2: detected capacity change from 0 to 512
[   90.190591][T11337] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/573/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   90.227144][T11375] loop5: detected capacity change from 0 to 512
[   90.238054][T11384] loop2: detected capacity change from 0 to 512
[   90.247226][T11384] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[   90.261664][T11388] loop4: detected capacity change from 0 to 512
[   90.280215][T11390] loop1: detected capacity change from 0 to 512
[   90.287109][T11388] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[   90.306562][T11397] loop3: detected capacity change from 0 to 512
[   90.359489][T11411] loop0: detected capacity change from 0 to 512
[   90.414187][T11433] loop3: detected capacity change from 0 to 512
[   90.445753][T11430] blk_print_req_error: 600 callbacks suppressed
[   90.445772][T11430] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   90.447566][T11444] loop5: detected capacity change from 0 to 512
[   90.452303][T11430] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   90.492212][T11448] loop1: detected capacity change from 0 to 512
[   90.501753][T11453] loop0: detected capacity change from 0 to 512
[   90.529513][T11447] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   90.544002][T11459] loop4: detected capacity change from 0 to 512
[   90.550898][T11441] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   90.607276][T11453] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/566/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   90.625246][T11441] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   90.642957][T11441] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   90.662828][T11480] loop4: detected capacity change from 0 to 519
[   90.739478][T11489] loop2: detected capacity change from 0 to 512
[   90.772588][T11480] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/612/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   90.783374][T11488] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   90.868446][T11514] loop1: detected capacity change from 0 to 512
[   90.877405][T11517] loop0: detected capacity change from 0 to 512
[   90.892093][T11520] loop3: detected capacity change from 0 to 512
[   90.910629][T11523] loop4: detected capacity change from 0 to 512
[   90.951848][T11520] EXT4-fs (loop3): VFS: Can't find ext4 filesystem
[   90.980569][T11517] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/569/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   91.011122][T11538] loop5: detected capacity change from 0 to 512
[   91.042825][T11546] loop1: detected capacity change from 0 to 512
[   91.049693][T11537] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   91.069781][T11545] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   91.084619][T11545] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   91.095587][T11545] buffer_io_error: 556 callbacks suppressed
[   91.095602][T11545] Buffer I/O error on dev loop1, logical block 0, async page read
[   91.119668][T11556] loop2: detected capacity change from 0 to 512
[   91.143686][T11554] loop3: detected capacity change from 0 to 512
[   91.184203][T11563] loop5: detected capacity change from 0 to 512
[   91.187908][T11566] loop0: detected capacity change from 0 to 512
[   91.205935][T11564] Buffer I/O error on dev loop0, logical block 0, async page read
[   91.234393][T11574] loop1: detected capacity change from 0 to 512
[   91.265286][T11563] EXT4-fs (loop5): Magic mismatch, very weird!
[   91.283003][T11583] loop4: detected capacity change from 0 to 519
[   91.286935][T11587] loop3: detected capacity change from 0 to 512
[   91.328955][T11587] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/600/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   91.351190][T11606] loop2: detected capacity change from 0 to 512
[   91.361585][T11605] Buffer I/O error on dev loop2, logical block 0, async page read
[   91.377757][T11617] loop5: detected capacity change from 0 to 512
[   91.426683][T11617] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/613/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   91.481869][T11642] loop1: detected capacity change from 0 to 512
[   91.487585][T11646] loop0: detected capacity change from 0 to 512
[   91.507044][T11654] loop2: detected capacity change from 0 to 512
[   91.518874][T11649] loop3: detected capacity change from 0 to 512
[   91.523987][T11652] loop4: detected capacity change from 0 to 512
[   91.536100][T11646] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[   91.588209][T11660] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   91.606309][T11662] loop1: detected capacity change from 0 to 512
[   91.612950][T11652] EXT4-fs (loop4): revision level too high, forcing read-only mode
[   91.636670][T11672] loop5: detected capacity change from 0 to 512
[   91.650294][T11649] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/602/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   91.658047][T11652] EXT4-fs (loop4): failed to initialize system zone (-117)
[   91.672374][T11652] EXT4-fs (loop4): mount failed
[   91.685574][T11672] EXT4-fs (loop5): VFS: Can't find ext4 filesystem
2025/10/11 16:41:01 executed programs: 3637
[   91.772499][T11679] loop2: detected capacity change from 0 to 512
[   91.778990][T11687] loop1: detected capacity change from 0 to 512
[   91.779005][T11678] loop4: detected capacity change from 0 to 512
[   91.814676][T11699] loop4: detected capacity change from 0 to 512
[   91.851191][T11701] loop5: detected capacity change from 0 to 519
[   91.883703][T11704] loop0: detected capacity change from 0 to 518
[   91.896330][T11716] loop1: detected capacity change from 0 to 512
[   91.914204][T11711] Buffer I/O error on dev loop1, logical block 0, async page read
[   91.923898][T11699] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/626/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   91.967879][T11725] loop5: detected capacity change from 0 to 519
[   92.077257][T11745] loop0: detected capacity change from 0 to 512
[   92.085867][T11744] loop1: detected capacity change from 0 to 512
[   92.117697][T11757] loop2: detected capacity change from 0 to 512
[   92.159486][T11757] EXT4-fs (loop2): VFS: Can't find ext4 filesystem
[   92.171900][T11745] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/581/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   92.200275][T11768] loop1: detected capacity change from 0 to 512
[   92.225453][T11775] loop3: detected capacity change from 0 to 512
[   92.243474][T11781] loop2: detected capacity change from 0 to 512
[   92.244008][T11774] loop5: detected capacity change from 0 to 512
[   92.275646][T11775] EXT4-fs (loop3): Magic mismatch, very weird!
[   92.281290][T11787] loop1: detected capacity change from 0 to 512
[   92.319780][T11781] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[   92.336842][T11787] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[   92.353388][T11796] loop4: detected capacity change from 0 to 512
[   92.360733][T11792] Buffer I/O error on dev loop4, logical block 0, async page read
[   92.377492][T11799] loop5: detected capacity change from 0 to 512
[   92.420513][T11811] loop2: detected capacity change from 0 to 512
[   92.434881][T11813] loop1: detected capacity change from 0 to 512
[   92.450236][T11827] loop5: detected capacity change from 0 to 512
[   92.476575][T11811] EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[   92.493576][T11837] loop0: detected capacity change from 0 to 512
[   92.507166][T11842] loop3: detected capacity change from 0 to 512
[   92.514694][T11839] loop1: detected capacity change from 0 to 519
[   92.533195][T11811] EXT4-fs (loop2): group descriptors corrupted!
[   92.584965][T11867] loop3: detected capacity change from 0 to 512
[   92.592767][T11857] loop4: detected capacity change from 0 to 512
[   92.642351][T11891] loop2: detected capacity change from 0 to 512
[   92.651620][T11887] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   92.662867][T11867] EXT4-fs (loop3): revision level too high, forcing read-only mode
[   92.679732][T11867] EXT4-fs (loop3): failed to initialize system zone (-117)
[   92.687529][T11867] EXT4-fs (loop3): mount failed
[   92.697772][T11901] loop4: detected capacity change from 0 to 512
[   92.718627][T11906] loop1: detected capacity change from 0 to 512
[   92.732596][T11901] EXT4-fs error (device loop4): ext4_init_orphan_info:586: comm syz-executor.4: inode #0: comm syz-executor.4: iget: illegal inode #
[   92.751145][T11891] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/631/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   92.769874][T11906] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[   92.780072][T11908] loop0: detected capacity change from 0 to 512
[   92.797307][T11917] loop3: detected capacity change from 0 to 512
[   92.814842][T11901] EXT4-fs (loop4): get orphan inode failed
[   92.858110][T11920] loop5: detected capacity change from 0 to 512
[   92.910799][T11901] EXT4-fs (loop4): mount failed
[   92.912335][T11924] loop3: detected capacity change from 0 to 512
[   92.985735][T11929] loop5: detected capacity change from 0 to 512
[   92.988486][T11935] loop2: detected capacity change from 0 to 512
[   93.011965][T11934] Buffer I/O error on dev loop2, logical block 0, async page read
[   93.018096][T11940] loop3: detected capacity change from 0 to 517
[   93.026490][T11939] loop0: detected capacity change from 0 to 512
[   93.074415][T11944] loop1: detected capacity change from 0 to 519
[   93.127479][T11975] loop4: detected capacity change from 0 to 512
[   93.157155][T11974] Buffer I/O error on dev loop4, logical block 0, async page read
[   93.162486][T11984] loop1: detected capacity change from 0 to 512
[   93.166655][T11974] Buffer I/O error on dev loop4, logical block 0, async page read
[   93.187913][T11986] loop5: detected capacity change from 0 to 512
[   93.197336][T11982] Buffer I/O error on dev loop1, logical block 0, async page read
[   93.212479][T11981] loop2: detected capacity change from 0 to 512
[   93.230255][T11998] loop3: detected capacity change from 0 to 512
[   93.250103][T12003] loop0: detected capacity change from 0 to 518
[   93.258082][T12007] loop4: detected capacity change from 0 to 512
[   93.267729][T12006] Buffer I/O error on dev loop4, logical block 0, async page read
[   93.315240][T12013] loop5: detected capacity change from 0 to 512
[   93.329835][T12025] loop3: detected capacity change from 0 to 512
[   93.342995][T12019] loop2: detected capacity change from 0 to 512
[   93.358916][T12028] loop1: detected capacity change from 0 to 512
[   93.400547][T12041] loop4: detected capacity change from 0 to 512
[   93.434389][T12047] loop2: detected capacity change from 0 to 512
[   93.446472][T12044] loop0: detected capacity change from 0 to 512
[   93.450795][T12053] loop5: detected capacity change from 0 to 512
[   93.490402][T12062] loop1: detected capacity change from 0 to 512
[   93.499291][T12065] loop4: detected capacity change from 0 to 512
[   93.504519][T12068] loop3: detected capacity change from 0 to 512
[   93.514451][T12053] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[   93.539462][T12072] loop2: detected capacity change from 0 to 512
[   93.561562][T12062] EXT4-fs (loop1): revision level too high, forcing read-only mode
[   93.580958][T12062] EXT4-fs (loop1): failed to initialize system zone (-117)
[   93.607606][T12080] loop0: detected capacity change from 0 to 512
[   93.622983][T12062] EXT4-fs (loop1): mount failed
[   93.650741][T12082] loop4: detected capacity change from 0 to 519
[   93.659019][T12085] loop3: detected capacity change from 0 to 512
[   93.707756][T12080] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/604/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   93.732118][T12102] loop5: detected capacity change from 0 to 512
[   93.797629][T12130] loop2: detected capacity change from 0 to 512
[   93.829646][T12144] loop3: detected capacity change from 0 to 512
[   93.846855][T12141] loop4: detected capacity change from 0 to 519
[   93.848200][T12151] loop0: detected capacity change from 0 to 512
[   93.878416][T12148] loop5: detected capacity change from 0 to 519
[   93.908367][T12156] loop1: detected capacity change from 0 to 512
[   93.946609][T12165] loop3: detected capacity change from 0 to 512
[   93.959721][T12168] loop4: detected capacity change from 0 to 512
[   93.981516][T12159] loop2: detected capacity change from 0 to 512
[   93.999921][T12168] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[   94.053902][T12189] loop1: detected capacity change from 0 to 512
[   94.073462][T12165] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/629/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   94.151676][T12204] loop2: detected capacity change from 0 to 512
[   94.190693][T12210] loop0: detected capacity change from 0 to 512
[   94.233479][T12217] loop4: detected capacity change from 0 to 512
[   94.295457][T12234] loop1: detected capacity change from 0 to 512
[   94.340419][T12246] loop5: detected capacity change from 0 to 512
[   94.349061][T12240] loop0: detected capacity change from 0 to 512
[   94.381631][T12255] loop2: detected capacity change from 0 to 512
[   94.387508][T12249] loop3: detected capacity change from 0 to 512
[   94.419442][T12265] loop0: detected capacity change from 0 to 512
[   94.428833][T12263] loop4: detected capacity change from 0 to 512
[   94.462347][T12263] EXT4-fs (loop4): Magic mismatch, very weird!
[   94.492514][T12281] loop0: detected capacity change from 0 to 512
[   94.507280][T12288] loop3: detected capacity change from 0 to 512
[   94.547254][T12288] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/633/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   94.580776][T12306] loop4: detected capacity change from 0 to 512
[   94.595332][T12306] EXT4-fs (loop4): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[   94.609579][T12308] loop5: detected capacity change from 0 to 512
[   94.617448][T12306] EXT4-fs (loop4): group descriptors corrupted!
[   94.633038][T12312] loop0: detected capacity change from 0 to 512
[   94.668848][T12324] loop0: detected capacity change from 0 to 512
[   94.678998][T12331] loop2: detected capacity change from 0 to 512
[   94.696520][T12335] loop4: detected capacity change from 0 to 512
[   94.703828][T12333] loop5: detected capacity change from 0 to 512
[   94.730915][T12335] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[   94.733084][T12344] loop0: detected capacity change from 0 to 512
[   94.764208][T12331] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/657/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   94.782853][T12358] loop5: detected capacity change from 0 to 512
[   94.788032][T12354] loop3: detected capacity change from 0 to 512
[   94.825533][T12368] loop4: detected capacity change from 0 to 512
[   94.853241][T12368] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[   94.860361][T12377] loop1: detected capacity change from 0 to 512
[   94.867089][T12379] loop0: detected capacity change from 0 to 512
[   94.869523][T12370] loop5: detected capacity change from 0 to 512
[   94.894831][T12379] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[   94.917597][T12395] loop4: detected capacity change from 0 to 512
[   94.925742][T12392] loop3: detected capacity change from 0 to 512
[   94.934507][T12389] loop2: detected capacity change from 0 to 512
[   94.940926][T12391] EXT4-fs warning (device loop5): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   94.958053][T12370] EXT4-fs (loop5): revision level too high, forcing read-only mode
[   94.975261][T12370] EXT4-fs (loop5): failed to initialize system zone (-117)
[   94.984361][T12395] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[   95.016560][T12405] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   95.030264][T12389] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/659/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   95.045143][T12370] EXT4-fs (loop5): mount failed
[   95.047630][T12392] EXT4-fs (loop3): revision level too high, forcing read-only mode
[   95.092390][T12392] EXT4-fs (loop3): failed to initialize system zone (-117)
[   95.103716][T12392] EXT4-fs (loop3): mount failed
[   95.129815][T12410] loop1: detected capacity change from 0 to 512
[   95.139446][T12416] loop5: detected capacity change from 0 to 512
[   95.195865][T12426] loop2: detected capacity change from 0 to 512
[   95.204032][T12425] loop4: detected capacity change from 0 to 512
[   95.214026][T12410] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/629/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   95.223882][T12432] loop0: detected capacity change from 0 to 512
[   95.250686][T12432] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[   95.252340][T12434] loop3: detected capacity change from 0 to 512
[   95.262688][T12438] loop2: detected capacity change from 0 to 512
[   95.282855][T12440] loop5: detected capacity change from 0 to 512
[   95.312315][T12434] EXT4-fs (loop3): Magic mismatch, very weird!
[   95.325008][T12440] EXT4-fs (loop5): VFS: Can't find ext4 filesystem
[   95.373559][T12438] EXT4-fs (loop2): Magic mismatch, very weird!
[   95.416231][T12455] loop3: detected capacity change from 0 to 512
[   95.440156][T12462] loop5: detected capacity change from 0 to 512
[   95.471192][T12473] loop4: detected capacity change from 0 to 512
[   95.500951][T12476] loop1: detected capacity change from 0 to 512
[   95.505423][T12470] loop2: detected capacity change from 0 to 519
[   95.521424][T12475] blk_print_req_error: 358 callbacks suppressed
[   95.521441][T12475] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   95.546613][T12473] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[   95.577405][T12481] loop5: detected capacity change from 0 to 512
[   95.593632][T12492] loop3: detected capacity change from 0 to 512
[   95.643164][T12514] loop0: detected capacity change from 0 to 512
[   95.650322][T12501] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   95.689854][T12523] loop4: detected capacity change from 0 to 512
[   95.703901][T12530] loop2: detected capacity change from 0 to 512
[   95.726245][T12528] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   95.729623][T12538] loop5: detected capacity change from 0 to 512
[   95.755368][T12535] loop1: detected capacity change from 0 to 512
[   95.784341][T12544] loop0: detected capacity change from 0 to 518
[   95.821181][T12523] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/669/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   95.836566][T12535] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[   95.843500][T12552] loop3: detected capacity change from 0 to 517
[   95.856993][T12551] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   95.892776][T12538] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[   95.906468][T12560] loop0: detected capacity change from 0 to 512
[   95.944620][T12570] loop2: detected capacity change from 0 to 512
[   95.971569][T12574] loop3: detected capacity change from 0 to 512
[   95.981098][T12565] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   95.990911][T12565] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[   95.996032][T12564] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   96.024105][T12583] loop1: detected capacity change from 0 to 512
[   96.032575][T12578] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   96.054244][T12581] loop0: detected capacity change from 0 to 512
[   96.157829][T12601] loop0: detected capacity change from 0 to 512
[   96.188927][T12616] loop3: detected capacity change from 0 to 517
[   96.208831][T12622] loop4: detected capacity change from 0 to 512
[   96.232915][T12632] loop5: detected capacity change from 0 to 512
[   96.248126][T12629] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   96.259232][T12621] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[   96.260476][T12640] loop1: detected capacity change from 0 to 512
[   96.276317][T12621] buffer_io_error: 322 callbacks suppressed
[   96.276331][T12621] Buffer I/O error on dev loop4, logical block 0, async page read
[   96.283309][T12639] Buffer I/O error on dev loop1, logical block 0, async page read
[   96.300772][T12639] Buffer I/O error on dev loop1, logical block 0, async page read
[   96.327340][T12651] loop2: detected capacity change from 0 to 519
[   96.335209][T12649] Buffer I/O error on dev loop2, logical block 0, async page read
[   96.357416][T12654] loop3: detected capacity change from 0 to 512
[   96.359686][T12650] loop0: detected capacity change from 0 to 512
[   96.365134][T12649] Buffer I/O error on dev loop2, logical block 0, async page read
[   96.406446][T12654] EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[   96.451212][T12654] EXT4-fs (loop3): group descriptors corrupted!
[   96.468150][T12670] loop4: detected capacity change from 0 to 512
[   96.530265][T12670] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[   96.574153][T12692] loop2: detected capacity change from 0 to 512
[   96.649176][T12721] loop4: detected capacity change from 0 to 512
[   96.650155][T12718] loop2: detected capacity change from 0 to 512
[   96.657528][T12714] loop0: detected capacity change from 0 to 518
2025/10/11 16:41:06 executed programs: 3978
[   96.731311][T12736] loop3: detected capacity change from 0 to 512
[   96.751650][T12742] loop2: detected capacity change from 0 to 512
[   96.806326][T12770] loop1: detected capacity change from 0 to 512
[   96.838075][T12776] loop3: detected capacity change from 0 to 512
[   96.849099][T12786] loop0: detected capacity change from 0 to 518
[   96.882789][T12800] loop4: detected capacity change from 0 to 512
[   96.923913][T12799] Buffer I/O error on dev loop4, logical block 0, async page read
[   96.925121][T12813] loop0: detected capacity change from 0 to 512
[   96.939343][T12799] Buffer I/O error on dev loop4, logical block 0, async page read
[   96.943238][T12822] loop1: detected capacity change from 0 to 512
[   96.956484][T12821] Buffer I/O error on dev loop1, logical block 0, async page read
[   97.024873][T12836] loop0: detected capacity change from 0 to 512
[   97.051098][T12857] loop4: detected capacity change from 0 to 512
[   97.075862][T12863] loop3: detected capacity change from 0 to 512
[   97.090228][T12867] loop1: detected capacity change from 0 to 512
[   97.097986][T12856] Buffer I/O error on dev loop4, logical block 0, async page read
[   97.108320][T12871] loop2: detected capacity change from 0 to 512
[   97.115909][T12866] Buffer I/O error on dev loop1, logical block 0, async page read
[   97.116502][T12836] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/641/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   97.198199][T12871] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/687/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   97.296243][T12898] loop1: detected capacity change from 0 to 512
[   97.301727][T12895] loop4: detected capacity change from 0 to 512
[   97.313415][T12889] loop3: detected capacity change from 0 to 512
[   97.370476][T12904] loop5: detected capacity change from 0 to 512
[   97.400881][T12916] loop4: detected capacity change from 0 to 512
[   97.431424][T12922] loop1: detected capacity change from 0 to 512
[   97.466135][T12928] loop3: detected capacity change from 0 to 512
[   97.504616][T12946] loop1: detected capacity change from 0 to 512
[   97.539023][T12948] loop2: detected capacity change from 0 to 512
[   97.570242][T12956] loop5: detected capacity change from 0 to 512
[   97.582580][T12964] loop0: detected capacity change from 0 to 512
[   97.602730][T12962] loop4: detected capacity change from 0 to 512
[   97.623746][T12967] loop1: detected capacity change from 0 to 519
[   97.673832][T12956] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/690/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   97.712025][T12984] loop2: detected capacity change from 0 to 512
[   97.725278][T12986] loop4: detected capacity change from 0 to 512
[   97.729685][T12992] loop1: detected capacity change from 0 to 512
[   97.763634][T12992] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[   97.782159][T12998] loop5: detected capacity change from 0 to 512
[   97.812455][T13000] loop3: detected capacity change from 0 to 512
[   97.826232][T13003] loop0: detected capacity change from 0 to 512
[   97.839520][T13009] loop4: detected capacity change from 0 to 512
[   97.866686][T13012] loop2: detected capacity change from 0 to 512
[   97.886386][T13015] loop5: detected capacity change from 0 to 512
[   97.901907][T13027] loop3: detected capacity change from 0 to 512
[   97.908466][T13021] loop0: detected capacity change from 0 to 512
[   97.928310][T13015] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[   97.944555][T13031] loop2: detected capacity change from 0 to 512
[   97.970066][T13043] loop4: detected capacity change from 0 to 512
[   98.018891][T13049] loop1: detected capacity change from 0 to 512
[   98.021398][T13054] loop3: detected capacity change from 0 to 512
[   98.058478][T13064] loop2: detected capacity change from 0 to 512
[   98.083563][T13073] loop0: detected capacity change from 0 to 512
[   98.117289][T13085] loop1: detected capacity change from 0 to 512
[   98.141369][T13097] loop5: detected capacity change from 0 to 512
[   98.142439][T13093] loop4: detected capacity change from 0 to 519
[   98.184815][T13097] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[   98.191793][T13102] loop0: detected capacity change from 0 to 512
[   98.203841][T13105] loop2: detected capacity change from 0 to 512
[   98.235676][T13112] loop3: detected capacity change from 0 to 517
[   98.278817][T13124] loop5: detected capacity change from 0 to 512
[   98.286823][T13102] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[   98.302140][T13127] loop4: detected capacity change from 0 to 512
[   98.307751][T13132] loop2: detected capacity change from 0 to 512
[   98.323581][T13135] loop3: detected capacity change from 0 to 512
[   98.381692][T13146] loop1: detected capacity change from 0 to 512
[   98.397834][T13153] loop2: detected capacity change from 0 to 512
[   98.459559][T13163] loop5: detected capacity change from 0 to 512
[   98.469091][T13127] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/700/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   98.490967][T13166] loop0: detected capacity change from 0 to 512
[   98.531206][T13169] loop2: detected capacity change from 0 to 512
[   98.547690][T13166] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[   98.591058][T13173] loop1: detected capacity change from 0 to 512
[   98.608645][T13169] EXT4-fs (loop2): Magic mismatch, very weird!
[   98.667990][T13184] loop0: detected capacity change from 0 to 512
[   98.673349][T13181] loop3: detected capacity change from 0 to 512
[   98.743013][T13205] loop2: detected capacity change from 0 to 512
[   98.743035][T13203] loop1: detected capacity change from 0 to 512
[   98.755342][T13199] loop5: detected capacity change from 0 to 512
[   98.765588][T13205] EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[   98.770039][T13196] loop4: detected capacity change from 0 to 512
[   98.783046][T13205] EXT4-fs (loop2): group descriptors corrupted!
[   98.837443][T13203] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/672/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[   98.876669][T13217] loop4: detected capacity change from 0 to 512
[   98.891911][T13229] loop5: detected capacity change from 0 to 512
[   98.911233][T13226] loop2: detected capacity change from 0 to 512
[   98.983015][T13245] loop3: detected capacity change from 0 to 512
[   99.001414][T13257] loop1: detected capacity change from 0 to 512
[   99.002178][T13255] loop0: detected capacity change from 0 to 512
[   99.092591][T13276] loop0: detected capacity change from 0 to 512
[   99.099032][T13277] loop4: detected capacity change from 0 to 512
[   99.108505][T13293] loop2: detected capacity change from 0 to 512
[   99.139699][T13307] loop3: detected capacity change from 0 to 512
[   99.183637][T13326] loop1: detected capacity change from 0 to 512
[   99.190166][T13317] loop5: detected capacity change from 0 to 512
[   99.190189][T13321] loop4: detected capacity change from 0 to 512
[   99.240558][T13335] loop2: detected capacity change from 0 to 512
[   99.243451][T13342] loop5: detected capacity change from 0 to 519
[   99.278377][T13356] loop3: detected capacity change from 0 to 517
[   99.302326][T13353] loop1: detected capacity change from 0 to 512
[   99.319219][T13368] loop4: detected capacity change from 0 to 512
[   99.340687][T13371] loop2: detected capacity change from 0 to 512
[   99.359221][T13374] loop0: detected capacity change from 0 to 512
[   99.372465][T13356] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/689/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   99.397553][T13368] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/711/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   99.418122][T13390] loop5: detected capacity change from 0 to 512
[   99.446224][T13390] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[   99.472550][T13402] loop3: detected capacity change from 0 to 517
[   99.527085][T13432] loop2: detected capacity change from 0 to 512
[   99.527482][T13430] loop4: detected capacity change from 0 to 512
[   99.542980][T13421] loop3: detected capacity change from 0 to 517
[   99.551807][T13417] loop5: detected capacity change from 0 to 519
[   99.556037][T13430] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[   99.568270][T13426] loop0: detected capacity change from 0 to 512
[   99.576304][T13437] EXT4-fs warning (device loop2): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   99.590361][T13432] EXT4-fs (loop2): revision level too high, forcing read-only mode
[   99.601532][T13432] EXT4-fs (loop2): failed to initialize system zone (-117)
[   99.603143][T13442] loop3: detected capacity change from 0 to 512
[   99.615224][T13432] EXT4-fs (loop2): mount failed
[   99.637633][T13446] loop5: detected capacity change from 0 to 519
[   99.665965][T13453] loop1: detected capacity change from 0 to 512
[   99.671322][T13456] loop2: detected capacity change from 0 to 512
[   99.688123][T13464] loop3: detected capacity change from 0 to 512
[   99.700698][T13467] loop4: detected capacity change from 0 to 512
[   99.731824][T13478] loop5: detected capacity change from 0 to 512
[   99.735933][T13474] loop0: detected capacity change from 0 to 518
[   99.758561][T13491] loop2: detected capacity change from 0 to 512
[   99.770930][T13467] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/715/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[   99.801045][T13499] loop3: detected capacity change from 0 to 512
[   99.810604][T13502] loop5: detected capacity change from 0 to 512
[   99.848822][T13518] loop5: detected capacity change from 0 to 512
[   99.848833][T13520] loop2: detected capacity change from 0 to 512
[   99.855428][T13512] loop1: detected capacity change from 0 to 512
[   99.896283][T13520] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[   99.899599][T13528] EXT4-fs warning (device loop5): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[   99.908025][T13530] loop3: detected capacity change from 0 to 512
[   99.923809][T13518] EXT4-fs (loop5): revision level too high, forcing read-only mode
[   99.942958][T13539] loop0: detected capacity change from 0 to 512
[   99.951961][T13518] EXT4-fs (loop5): failed to initialize system zone (-117)
[   99.966725][T13518] EXT4-fs (loop5): mount failed
[   99.982427][T13544] loop1: detected capacity change from 0 to 512
[   99.996603][T13549] loop2: detected capacity change from 0 to 512
[  100.005334][T13539] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  100.012509][T13547] loop4: detected capacity change from 0 to 512
[  100.033552][T13553] loop3: detected capacity change from 0 to 512
[  100.099810][T13576] loop0: detected capacity change from 0 to 512
[  100.108937][T13574] loop3: detected capacity change from 0 to 512
[  100.122087][T13588] loop1: detected capacity change from 0 to 512
[  100.134987][T13576] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  100.159437][T13597] loop2: detected capacity change from 0 to 512
[  100.180247][T13607] loop1: detected capacity change from 0 to 512
[  100.187566][T13603] loop5: detected capacity change from 0 to 512
[  100.194579][T13601] loop4: detected capacity change from 0 to 512
[  100.220155][T13620] loop1: detected capacity change from 0 to 512
[  100.225280][T13603] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  100.245192][T13624] loop0: detected capacity change from 0 to 512
[  100.245262][T13601] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[  100.264731][T13603] EXT4-fs (loop5): group descriptors corrupted!
[  100.276553][T13620] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[  100.286797][T13627] loop2: detected capacity change from 0 to 512
[  100.303677][T13630] loop3: detected capacity change from 0 to 512
[  100.326268][T13637] loop5: detected capacity change from 0 to 512
[  100.340892][T13633] loop0: detected capacity change from 0 to 512
[  100.350579][T13640] loop2: detected capacity change from 0 to 512
[  100.358947][T13637] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/725/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  100.392355][T13654] loop1: detected capacity change from 0 to 512
[  100.393522][T13652] loop4: detected capacity change from 0 to 512
[  100.405572][T13649] loop3: detected capacity change from 0 to 512
[  100.429138][T13660] loop1: detected capacity change from 0 to 519
[  100.438853][T13663] loop0: detected capacity change from 0 to 512
[  100.450330][T13666] loop2: detected capacity change from 0 to 512
[  100.477580][T13670] loop1: detected capacity change from 0 to 512
[  100.490904][T13673] loop3: detected capacity change from 0 to 512
[  100.499655][T13680] loop5: detected capacity change from 0 to 512
[  100.518411][T13688] loop0: detected capacity change from 0 to 512
[  100.531223][T13677] blk_print_req_error: 606 callbacks suppressed
[  100.531241][T13677] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  100.546887][T13677] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  100.565712][T13688] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  100.585332][T13703] loop3: detected capacity change from 0 to 512
[  100.592042][T13702] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  100.603903][T13705] loop1: detected capacity change from 0 to 512
[  100.610421][T13688] EXT4-fs (loop0): group descriptors corrupted!
[  100.654146][T13710] loop4: detected capacity change from 0 to 512
[  100.664885][T13721] loop1: detected capacity change from 0 to 512
[  100.680639][T13728] loop3: detected capacity change from 0 to 512
[  100.682116][T13730] loop0: detected capacity change from 0 to 512
[  100.699096][T13726] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  100.727704][T13728] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  100.741940][T13745] loop2: detected capacity change from 0 to 512
[  100.745030][T13739] loop1: detected capacity change from 0 to 512
[  100.761251][T13748] loop4: detected capacity change from 0 to 512
[  100.767124][T13742] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  100.778495][T13751] loop0: detected capacity change from 0 to 512
[  100.790345][T13742] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  100.811225][T13760] loop3: detected capacity change from 0 to 512
[  100.826092][T13764] loop5: detected capacity change from 0 to 512
[  100.839370][T13762] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  100.841004][T13766] loop4: detected capacity change from 0 to 512
[  100.865806][T13770] loop1: detected capacity change from 0 to 512
[  100.904012][T13778] loop0: detected capacity change from 0 to 512
[  100.911317][T13777] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  100.935703][T13787] loop5: detected capacity change from 0 to 512
[  100.957045][T13784] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  100.987132][T13806] loop2: detected capacity change from 0 to 512
[  100.996077][T13811] loop3: detected capacity change from 0 to 512
[  101.004127][T13809] loop1: detected capacity change from 0 to 512
[  101.012055][T13804] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  101.047676][T13825] loop4: detected capacity change from 0 to 512
[  101.058094][T13826] loop2: detected capacity change from 0 to 519
[  101.058634][T13829] loop5: detected capacity change from 0 to 512
[  101.085486][T13838] loop3: detected capacity change from 0 to 512
[  101.091980][T13826] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[  101.147128][T13855] loop0: detected capacity change from 0 to 518
[  101.179469][T13864] loop3: detected capacity change from 0 to 512
[  101.183935][T13874] loop1: detected capacity change from 0 to 512
[  101.188597][T13869] loop4: detected capacity change from 0 to 512
[  101.214495][T13855] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/701/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  101.249814][T13882] loop5: detected capacity change from 0 to 512
[  101.315700][T13897] loop4: detected capacity change from 0 to 512
[  101.363911][T13897] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[  101.373393][T13912] loop0: detected capacity change from 0 to 512
[  101.379946][T13907] loop2: detected capacity change from 0 to 512
[  101.396559][T13910] loop3: detected capacity change from 0 to 512
[  101.423813][T13909] buffer_io_error: 610 callbacks suppressed
[  101.423829][T13909] Buffer I/O error on dev loop0, logical block 0, async page read
[  101.440352][T13909] Buffer I/O error on dev loop0, logical block 0, async page read
[  101.462365][T13927] loop2: detected capacity change from 0 to 512
[  101.468358][T13934] loop4: detected capacity change from 0 to 512
[  101.471458][T13932] loop3: detected capacity change from 0 to 512
[  101.490239][T13936] loop1: detected capacity change from 0 to 512
[  101.495294][T13931] Buffer I/O error on dev loop3, logical block 0, async page read
[  101.499789][T13923] Buffer I/O error on dev loop2, logical block 0, async page read
[  101.509197][T13939] loop0: detected capacity change from 0 to 512
[  101.518733][T13923] Buffer I/O error on dev loop2, logical block 0, async page read
[  101.539896][T13943] loop5: detected capacity change from 0 to 512
[  101.543830][T13924] Buffer I/O error on dev loop4, logical block 0, async page read
[  101.565590][T13924] Buffer I/O error on dev loop4, logical block 0, async page read
[  101.580837][T13941] Buffer I/O error on dev loop5, logical block 0, async page read
[  101.582307][T13938] Buffer I/O error on dev loop0, logical block 0, async page read
[  101.622376][T13950] loop1: detected capacity change from 0 to 512
[  101.642676][T13956] loop3: detected capacity change from 0 to 512
[  101.676682][T13961] loop0: detected capacity change from 0 to 512
[  101.702430][T13963] loop2: detected capacity change from 0 to 519
2025/10/11 16:41:11 executed programs: 4380
[  101.761390][T13985] loop4: detected capacity change from 0 to 512
[  101.778679][T13993] loop2: detected capacity change from 0 to 512
[  101.812427][T13984] Buffer I/O error on dev loop4, logical block 0, async page read
[  101.822259][T14007] loop0: detected capacity change from 0 to 518
[  101.879492][T14020] loop1: detected capacity change from 0 to 512
[  101.891748][T14022] loop2: detected capacity change from 0 to 512
[  101.908550][T14030] loop5: detected capacity change from 0 to 512
[  101.909647][T14025] loop0: detected capacity change from 0 to 512
[  101.950963][T14037] loop4: detected capacity change from 0 to 512
[  102.008326][T14022] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/746/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  102.029134][T14052] loop0: detected capacity change from 0 to 512
[  102.173033][T14066] loop4: detected capacity change from 0 to 512
[  102.221627][T14072] loop3: detected capacity change from 0 to 512
[  102.241883][T14074] loop1: detected capacity change from 0 to 512
[  102.331112][T14109] loop0: detected capacity change from 0 to 512
[  102.335501][T14099] loop3: detected capacity change from 0 to 517
[  102.360504][T14113] loop4: detected capacity change from 0 to 512
[  102.399320][T14109] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/712/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  102.402165][T14139] loop2: detected capacity change from 0 to 512
[  102.450815][T14145] loop1: detected capacity change from 0 to 512
[  102.473592][T14154] loop4: detected capacity change from 0 to 512
[  102.533394][T14174] loop0: detected capacity change from 0 to 512
[  102.560118][T14184] loop1: detected capacity change from 0 to 519
[  102.603917][T14194] loop3: detected capacity change from 0 to 512
[  102.642529][T14205] loop1: detected capacity change from 0 to 512
[  102.662690][T14216] loop5: detected capacity change from 0 to 512
[  102.732063][T14228] loop2: detected capacity change from 0 to 512
[  102.759582][T14236] loop0: detected capacity change from 0 to 512
[  102.762910][T14240] loop4: detected capacity change from 0 to 512
[  102.784494][T14231] loop3: detected capacity change from 0 to 517
[  102.824517][T14240] EXT4-fs (loop4): revision level too high, forcing read-only mode
[  102.834749][T14240] EXT4-fs (loop4): failed to initialize system zone (-117)
[  102.856973][T14240] EXT4-fs (loop4): mount failed
[  102.926487][T14274] loop2: detected capacity change from 0 to 512
[  102.960216][T14292] loop1: detected capacity change from 0 to 512
[  102.984087][T14299] loop4: detected capacity change from 0 to 512
[  102.992909][T14301] loop5: detected capacity change from 0 to 512
[  103.017232][T14306] loop2: detected capacity change from 0 to 512
[  103.059526][T14301] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  103.112791][T14301] EXT4-fs (loop5): group descriptors corrupted!
[  103.158621][T14329] loop2: detected capacity change from 0 to 512
[  103.167429][T14336] loop4: detected capacity change from 0 to 512
[  103.219889][T14336] EXT4-fs (loop4): Magic mismatch, very weird!
[  103.296010][T14372] loop2: detected capacity change from 0 to 512
[  103.313234][T14379] loop5: detected capacity change from 0 to 512
[  103.337297][T14382] loop0: detected capacity change from 0 to 512
[  103.393567][T14394] loop4: detected capacity change from 0 to 512
[  103.403390][T14399] loop1: detected capacity change from 0 to 512
[  103.412385][T14372] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/763/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  103.455847][T14401] loop3: detected capacity change from 0 to 512
[  103.474052][T14399] EXT4-fs (loop1): Magic mismatch, very weird!
[  103.504536][T14407] loop5: detected capacity change from 0 to 512
[  103.530537][T14412] loop0: detected capacity change from 0 to 512
[  103.566168][T14394] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/761/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  103.604026][T14422] loop3: detected capacity change from 0 to 512
[  103.643412][T14433] loop0: detected capacity change from 0 to 512
[  103.673755][T14443] loop5: detected capacity change from 0 to 512
[  103.690230][T14447] loop4: detected capacity change from 0 to 512
[  103.765875][T14461] loop0: detected capacity change from 0 to 512
[  103.805508][T14472] loop5: detected capacity change from 0 to 512
[  103.834418][T14481] loop1: detected capacity change from 0 to 512
[  103.841722][T14476] loop3: detected capacity change from 0 to 512
[  103.852450][T14488] loop0: detected capacity change from 0 to 512
[  103.897518][T14476] EXT4-fs (loop3): Magic mismatch, very weird!
[  103.924798][T14505] loop2: detected capacity change from 0 to 512
[  103.932111][T14512] loop0: detected capacity change from 0 to 512
[  103.974755][T14512] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  103.987676][T14524] loop3: detected capacity change from 0 to 512
[  104.003579][T14526] loop1: detected capacity change from 0 to 512
[  104.082002][T14550] loop2: detected capacity change from 0 to 519
[  104.083172][T14560] loop1: detected capacity change from 0 to 512
[  104.122019][T14568] loop0: detected capacity change from 0 to 512
[  104.143537][T14567] loop4: detected capacity change from 0 to 512
[  104.144554][T14575] loop3: detected capacity change from 0 to 512
[  104.184972][T14580] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  104.202586][T14568] EXT4-fs (loop0): revision level too high, forcing read-only mode
[  104.255703][T14568] EXT4-fs (loop0): failed to initialize system zone (-117)
[  104.263656][T14568] EXT4-fs (loop0): mount failed
[  104.288375][T14598] loop5: detected capacity change from 0 to 512
[  104.292515][T14588] loop4: detected capacity change from 0 to 512
[  104.370327][T14614] loop0: detected capacity change from 0 to 512
[  104.412268][T14624] loop1: detected capacity change from 0 to 512
[  104.414051][T14634] loop5: detected capacity change from 0 to 512
[  104.422373][T14626] loop3: detected capacity change from 0 to 517
[  104.425881][T14628] loop2: detected capacity change from 0 to 512
[  104.449239][T14626] EXT4-fs (loop3): Magic mismatch, very weird!
[  104.550403][T14677] loop4: detected capacity change from 0 to 512
[  104.557998][T14679] loop0: detected capacity change from 0 to 512
[  104.567379][T14675] loop1: detected capacity change from 0 to 512
[  104.615674][T14689] loop3: detected capacity change from 0 to 512
[  104.678365][T14675] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/761/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  104.764214][T14725] loop0: detected capacity change from 0 to 512
[  104.764829][T14717] loop3: detected capacity change from 0 to 512
[  104.778625][  T343] EXT4-fs unmount: 67 callbacks suppressed
[  104.778642][  T343] EXT4-fs (loop1): unmounting filesystem.
[  104.864984][T14717] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  104.884824][T14717] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/761/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  104.917621][T14749] loop1: detected capacity change from 0 to 512
[  104.974353][T14755] loop1: detected capacity change from 0 to 512
[  104.983307][T14762] loop5: detected capacity change from 0 to 512
[  104.991002][  T353] EXT4-fs (loop3): unmounting filesystem.
[  105.023821][T14767] loop2: detected capacity change from 0 to 512
[  105.034343][T14774] loop0: detected capacity change from 0 to 512
[  105.060253][T14755] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[  105.106069][T14783] loop3: detected capacity change from 0 to 512
[  105.128207][T14762] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
[  105.154829][T14762] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/789/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  105.184608][T14774] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[  105.216664][T14803] loop1: detected capacity change from 0 to 512
[  105.220450][T14774] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/744/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  105.268283][  T351] EXT4-fs (loop5): unmounting filesystem.
[  105.297688][T14803] EXT4-fs (loop1): revision level too high, forcing read-only mode
[  105.307254][T14818] loop5: detected capacity change from 0 to 512
[  105.318252][T14803] EXT4-fs (loop1): failed to initialize system zone (-117)
[  105.326727][T14803] EXT4-fs (loop1): mount failed
[  105.362341][T14824] loop3: detected capacity change from 0 to 512
[  105.372108][  T346] EXT4-fs (loop0): unmounting filesystem.
[  105.378796][T14823] loop4: detected capacity change from 0 to 512
[  105.385649][T14829] loop2: detected capacity change from 0 to 512
[  105.394243][T14826] loop5: detected capacity change from 0 to 512
[  105.452171][T14837] loop0: detected capacity change from 0 to 512
[  105.506268][T14850] loop2: detected capacity change from 0 to 519
[  105.566916][T14864] loop5: detected capacity change from 0 to 512
[  105.577438][T14874] loop2: detected capacity change from 0 to 512
[  105.601352][T14872] blk_print_req_error: 660 callbacks suppressed
[  105.601370][T14872] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  105.627958][T14888] loop4: detected capacity change from 0 to 519
[  105.649172][T14887] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  105.666713][T14864] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[  105.675674][T14895] loop3: detected capacity change from 0 to 517
[  105.710618][T14903] loop2: detected capacity change from 0 to 512
[  105.717080][T14895] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  105.721531][T14907] loop1: detected capacity change from 0 to 512
[  105.752865][T14913] loop0: detected capacity change from 0 to 512
[  105.762087][T14916] loop5: detected capacity change from 0 to 512
[  105.769584][T14908] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2
[  105.780624][T14906] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2
[  105.866024][T14935] loop0: detected capacity change from 0 to 518
[  105.882968][T14941] loop4: detected capacity change from 0 to 512
[  105.888880][T14931] loop1: detected capacity change from 0 to 512
[  105.916974][T14941] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[  105.991893][T14935] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[  106.012954][T14935] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/750/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  106.049965][T14981] loop5: detected capacity change from 0 to 512
[  106.056212][  T346] EXT4-fs (loop0): unmounting filesystem.
[  106.066046][T14981] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  106.077695][T14987] loop1: detected capacity change from 0 to 512
[  106.090656][T14981] EXT4-fs (loop5): group descriptors corrupted!
[  106.103255][T14987] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[  106.130011][T14999] loop0: detected capacity change from 0 to 512
[  106.140286][T14994] loop2: detected capacity change from 0 to 512
[  106.168801][T14993] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  106.213409][T15011] loop4: detected capacity change from 0 to 512
[  106.243036][T14999] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[  106.270516][T14999] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/751/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  106.319829][  T346] EXT4-fs (loop0): unmounting filesystem.
[  106.328536][T15017] loop5: detected capacity change from 0 to 512
[  106.344919][T15027] loop2: detected capacity change from 0 to 512
[  106.351731][T15026] loop3: detected capacity change from 0 to 512
[  106.376759][T15027] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[  106.393050][T15017] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
[  106.404540][T15017] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/800/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  106.431630][  T351] EXT4-fs (loop5): unmounting filesystem.
[  106.449077][T15043] loop2: detected capacity change from 0 to 512
[  106.503687][T15059] loop1: detected capacity change from 0 to 519
[  106.518370][T15066] loop4: detected capacity change from 0 to 512
[  106.544187][T15072] loop2: detected capacity change from 0 to 512
[  106.556445][T15059] EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  106.593222][T15071] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  106.594785][T15081] loop3: detected capacity change from 0 to 512
[  106.617304][T15086] loop0: detected capacity change from 0 to 518
[  106.624763][T15059] EXT4-fs (loop1): group descriptors corrupted!
[  106.654378][T15066] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.
[  106.688750][T15094] loop2: detected capacity change from 0 to 512
[  106.690634][T15089] loop5: detected capacity change from 0 to 512
[  106.716372][T15066] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/804/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
2025/10/11 16:41:16 executed programs: 4735
[  106.789828][T15094] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[  106.799408][T15103] loop0: detected capacity change from 0 to 512
[  106.811845][  T347] EXT4-fs (loop4): unmounting filesystem.
[  106.825849][T15094] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/803/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  106.864525][T15113] loop1: detected capacity change from 0 to 512
[  106.880997][  T348] EXT4-fs (loop2): unmounting filesystem.
[  106.911991][T15121] loop3: detected capacity change from 0 to 512
[  106.928261][T15111] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  106.952265][T15131] loop0: detected capacity change from 0 to 512
[  106.972066][T15126] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  106.979245][T15135] loop2: detected capacity change from 0 to 519
[  107.001272][T15121] EXT4-fs (loop3): Magic mismatch, very weird!
[  107.011228][T15133] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  107.016431][T15139] loop4: detected capacity change from 0 to 512
[  107.029805][T15143] loop5: detected capacity change from 0 to 512
[  107.037522][T15133] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  107.063304][T15133] buffer_io_error: 555 callbacks suppressed
[  107.063327][T15133] Buffer I/O error on dev loop2, logical block 0, async page read
[  107.077340][T15139] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[  107.082020][T15134] Buffer I/O error on dev loop5, logical block 0, async page read
[  107.099142][T15133] Buffer I/O error on dev loop2, logical block 0, async page read
[  107.204991][T15180] loop4: detected capacity change from 0 to 512
[  107.214177][T15176] loop5: detected capacity change from 0 to 512
[  107.226021][T15180] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[  107.232068][T15176] EXT4-fs (loop5): VFS: Can't find ext4 filesystem
[  107.245975][T15188] loop1: detected capacity change from 0 to 519
[  107.252968][T15187] Buffer I/O error on dev loop1, logical block 0, async page read
[  107.268000][T15195] loop0: detected capacity change from 0 to 512
[  107.278883][T15174] loop3: detected capacity change from 0 to 512
[  107.285737][T15197] loop2: detected capacity change from 0 to 512
[  107.299720][T15193] Buffer I/O error on dev loop0, logical block 0, async page read
[  107.316910][T15193] Buffer I/O error on dev loop0, logical block 0, async page read
[  107.357378][T15208] loop4: detected capacity change from 0 to 512
[  107.385115][T15200] Buffer I/O error on dev loop4, logical block 0, async page read
[  107.393237][T15200] Buffer I/O error on dev loop4, logical block 0, async page read
[  107.402464][T15197] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[  107.410425][T15200] Buffer I/O error on dev loop4, logical block 0, async page read
[  107.419884][T15200] Buffer I/O error on dev loop4, logical block 0, async page read
[  107.434279][T15197] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/808/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  107.478672][T15221] loop0: detected capacity change from 0 to 512
[  107.491806][  T348] EXT4-fs (loop2): unmounting filesystem.
[  107.494794][T15221] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[  107.519715][T15225] loop3: detected capacity change from 0 to 512
[  107.586846][T15225] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  107.629152][T15260] loop4: detected capacity change from 0 to 512
[  107.640593][T15258] loop0: detected capacity change from 0 to 512
[  107.658950][T15268] loop2: detected capacity change from 0 to 512
[  107.681608][T15276] loop1: detected capacity change from 0 to 512
[  107.713641][T15280] loop0: detected capacity change from 0 to 512
[  107.727612][T15275] loop5: detected capacity change from 0 to 519
[  107.756500][T15268] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[  107.772026][T15280] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  107.823106][T15299] loop5: detected capacity change from 0 to 512
[  107.855689][T15308] loop1: detected capacity change from 0 to 512
[  107.921132][T15336] loop3: detected capacity change from 0 to 512
[  107.922124][T15339] loop4: detected capacity change from 0 to 512
[  107.943792][T15308] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[  107.967274][T15346] loop5: detected capacity change from 0 to 512
[  108.000166][T15308] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/793/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  108.028202][T15346] EXT4-fs (loop5): Magic mismatch, very weird!
[  108.094631][  T343] EXT4-fs (loop1): unmounting filesystem.
[  108.110572][T15336] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  108.130795][T15336] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/793/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  108.150626][T15370] loop0: detected capacity change from 0 to 512
[  108.179346][  T353] EXT4-fs (loop3): unmounting filesystem.
[  108.187599][T15379] loop2: detected capacity change from 0 to 512
[  108.215299][T15385] loop5: detected capacity change from 0 to 512
[  108.232041][T15391] loop1: detected capacity change from 0 to 512
[  108.260427][T15399] loop3: detected capacity change from 0 to 512
[  108.302759][T15407] loop4: detected capacity change from 0 to 512
[  108.361811][T15422] loop2: detected capacity change from 0 to 512
[  108.377997][T15430] loop5: detected capacity change from 0 to 512
[  108.378089][T15419] loop4: detected capacity change from 0 to 512
[  108.402556][T15434] loop0: detected capacity change from 0 to 512
[  108.443318][T15441] loop2: detected capacity change from 0 to 512
[  108.453779][T15443] loop3: detected capacity change from 0 to 512
[  108.479929][T15458] loop1: detected capacity change from 0 to 512
[  108.503600][T15460] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  108.523427][T15443] EXT4-fs (loop3): revision level too high, forcing read-only mode
[  108.526102][T15458] EXT4-fs (loop1): Magic mismatch, very weird!
[  108.540665][T15443] EXT4-fs (loop3): failed to initialize system zone (-117)
[  108.548926][T15443] EXT4-fs (loop3): mount failed
[  108.554686][T15471] loop5: detected capacity change from 0 to 512
[  108.588271][T15483] loop1: detected capacity change from 0 to 512
[  108.671671][T15521] loop3: detected capacity change from 0 to 512
[  108.687457][T15517] loop2: detected capacity change from 0 to 512
[  108.703660][T15531] loop1: detected capacity change from 0 to 519
[  108.726649][T15542] loop4: detected capacity change from 0 to 512
[  108.740666][T15547] loop0: detected capacity change from 0 to 512
[  108.744167][T15551] loop5: detected capacity change from 0 to 512
[  108.758705][T15555] loop2: detected capacity change from 0 to 512
[  108.787903][T15562] loop1: detected capacity change from 0 to 512
[  108.800811][T15521] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  108.813879][T15521] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/799/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  108.833651][T15562] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[  108.918333][T15573] loop5: detected capacity change from 0 to 512
[  108.929062][T15575] loop4: detected capacity change from 0 to 512
[  108.940644][  T353] EXT4-fs (loop3): unmounting filesystem.
[  108.946102][T15577] loop1: detected capacity change from 0 to 512
[  108.964851][T15568] loop2: detected capacity change from 0 to 512
[  108.977335][T15581] loop0: detected capacity change from 0 to 512
[  109.050966][T15593] loop5: detected capacity change from 0 to 512
[  109.052918][T15598] loop1: detected capacity change from 0 to 512
[  109.081488][T15600] loop4: detected capacity change from 0 to 519
[  109.099441][T15609] loop0: detected capacity change from 0 to 512
[  109.123837][T15616] loop1: detected capacity change from 0 to 512
[  109.239790][T15609] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[  109.251809][T15638] loop3: detected capacity change from 0 to 512
[  109.260208][T15609] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/790/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  109.309366][T15616] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[  109.321866][  T346] EXT4-fs (loop0): unmounting filesystem.
[  109.350407][T15616] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/805/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  109.381245][  T343] EXT4-fs (loop1): unmounting filesystem.
[  109.391668][T15666] loop5: detected capacity change from 0 to 512
[  109.426414][T15685] loop3: detected capacity change from 0 to 512
[  109.451577][T15689] loop1: detected capacity change from 0 to 512
[  109.457804][T15692] loop0: detected capacity change from 0 to 512
[  109.476607][T15692] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  109.492491][T15685] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  109.517801][T15703] loop4: detected capacity change from 0 to 519
[  109.563165][T15726] loop2: detected capacity change from 0 to 512
[  109.570469][T15728] loop5: detected capacity change from 0 to 512
[  109.591478][T15737] loop1: detected capacity change from 0 to 512
[  109.609297][T15741] loop4: detected capacity change from 0 to 512
[  109.687271][T15775] loop4: detected capacity change from 0 to 512
[  109.704121][T15785] loop1: detected capacity change from 0 to 512
[  109.718108][T15790] loop2: detected capacity change from 0 to 512
[  109.803338][T15808] loop3: detected capacity change from 0 to 512
[  109.811112][T15826] loop2: detected capacity change from 0 to 512
[  109.812739][T15829] loop1: detected capacity change from 0 to 512
[  109.826429][T15821] loop0: detected capacity change from 0 to 512
[  109.833569][T15817] loop4: detected capacity change from 0 to 512
[  109.845347][T15826] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[  109.889095][T15848] loop4: detected capacity change from 0 to 512
[  109.899679][T15844] loop0: detected capacity change from 0 to 518
[  109.914411][T15856] loop5: detected capacity change from 0 to 512
[  109.970179][T15880] loop4: detected capacity change from 0 to 512
[  109.978254][T15875] loop5: detected capacity change from 0 to 512
[  109.989876][T15878] loop1: detected capacity change from 0 to 519
[  110.022026][T15898] loop3: detected capacity change from 0 to 512
[  110.068636][T15907] loop0: detected capacity change from 0 to 512
[  110.109097][T15928] loop2: detected capacity change from 0 to 512
[  110.128387][T15935] loop1: detected capacity change from 0 to 512
[  110.135578][T15933] loop5: detected capacity change from 0 to 512
[  110.157219][T15941] loop3: detected capacity change from 0 to 512
[  110.187172][T15935] EXT4-fs (loop1): revision level too high, forcing read-only mode
[  110.196549][T15950] loop0: detected capacity change from 0 to 512
[  110.241493][T15935] EXT4-fs (loop1): failed to initialize system zone (-117)
[  110.260067][T15957] loop5: detected capacity change from 0 to 512
[  110.269460][T15950] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[  110.297006][T15965] loop3: detected capacity change from 0 to 512
[  110.309692][T15962] loop2: detected capacity change from 0 to 512
[  110.314830][T15935] EXT4-fs (loop1): mount failed
[  110.327716][T15967] loop4: detected capacity change from 0 to 512
[  110.394135][T15978] loop0: detected capacity change from 0 to 512
[  110.404979][T15973] loop1: detected capacity change from 0 to 519
[  110.428590][T15978] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[  110.445889][T15996] loop5: detected capacity change from 0 to 512
[  110.466105][T15983] loop2: detected capacity change from 0 to 512
[  110.565407][T15965] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  110.574492][T15965] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/825/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  110.599887][T16007] loop5: detected capacity change from 0 to 512
[  110.608763][T16013] loop2: detected capacity change from 0 to 512
[  110.616139][  T353] EXT4-fs (loop3): unmounting filesystem.
[  110.624573][T16018] loop1: detected capacity change from 0 to 512
[  110.641206][T16006] blk_print_req_error: 337 callbacks suppressed
[  110.641223][T16006] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  110.672923][T16013] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[  110.733911][T16013] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/852/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  110.739451][T16036] loop0: detected capacity change from 0 to 512
[  110.777226][T16044] loop5: detected capacity change from 0 to 512
[  110.778215][T16018] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[  110.793576][  T348] EXT4-fs (loop2): unmounting filesystem.
[  110.803338][T16045] loop3: detected capacity change from 0 to 512
[  110.806673][T16050] loop4: detected capacity change from 0 to 512
[  110.821344][T16018] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/822/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  110.847997][T16050] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[  110.859306][T16053] loop2: detected capacity change from 0 to 512
[  110.867661][T16052] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  110.885257][  T343] EXT4-fs (loop1): unmounting filesystem.
[  110.900440][T16036] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  110.989120][T16082] loop5: detected capacity change from 0 to 512
[  111.013378][T16085] loop3: detected capacity change from 0 to 512
[  111.033665][T16080] loop1: detected capacity change from 0 to 512
[  111.041183][T16079] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  111.044444][T16082] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
[  111.054175][T16093] loop2: detected capacity change from 0 to 512
[  111.060452][T16082] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/861/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  111.089251][T16091] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  111.108588][  T351] EXT4-fs (loop5): unmounting filesystem.
[  111.136551][T16097] loop4: detected capacity change from 0 to 512
[  111.149719][T16100] loop0: detected capacity change from 0 to 512
[  111.181476][T16113] loop2: detected capacity change from 0 to 512
[  111.192156][T16116] loop3: detected capacity change from 0 to 512
[  111.247380][T16128] loop4: detected capacity change from 0 to 512
[  111.249371][T16112] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  111.268559][T16127] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  111.285159][T16116] EXT4-fs (loop3): Magic mismatch, very weird!
[  111.297327][T16135] loop0: detected capacity change from 0 to 512
[  111.348475][T16142] loop2: detected capacity change from 0 to 512
[  111.355707][T16145] loop5: detected capacity change from 0 to 512
[  111.372700][T16135] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  111.378929][T16148] loop4: detected capacity change from 0 to 519
[  111.401119][T16138] loop1: detected capacity change from 0 to 512
[  111.416607][T16160] loop3: detected capacity change from 0 to 512
[  111.457153][T16166] loop5: detected capacity change from 0 to 512
[  111.473673][T16156] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  111.488038][T16170] loop0: detected capacity change from 0 to 512
[  111.517461][T16170] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[  111.583572][T16180] loop1: detected capacity change from 0 to 512
[  111.593213][T16186] loop2: detected capacity change from 0 to 512
[  111.612662][T16180] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[  111.629419][T16199] loop4: detected capacity change from 0 to 512
[  111.679852][T16198] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  111.719051][T16223] loop0: detected capacity change from 0 to 512
[  111.757943][T16219] loop2: detected capacity change from 0 to 512
[  111.769452][T16223] EXT4-fs (loop0): revision level too high, forcing read-only mode
[  111.783173][T16245] loop3: detected capacity change from 0 to 512
[  111.788644][T16248] loop5: detected capacity change from 0 to 512
2025/10/11 16:41:21 executed programs: 5100
[  111.808047][T16248] EXT4-fs (loop5): Magic mismatch, very weird!
[  111.815591][T16223] EXT4-fs (loop0): failed to initialize system zone (-117)
[  111.816232][T16250] loop4: detected capacity change from 0 to 512
[  111.822863][T16223] EXT4-fs (loop0): mount failed
[  111.839724][T16252] loop1: detected capacity change from 0 to 128
[  111.864386][T16245] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  111.873600][T16252] ext4: Unknown parameter 'nosuid'
[  111.908822][T16256] loop5: detected capacity change from 0 to 512
[  111.909255][T16219] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[  111.929888][T16219] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/862/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  111.952456][T16260] loop0: detected capacity change from 0 to 512
[  111.973500][T16266] loop3: detected capacity change from 0 to 512
[  111.973816][T16268] loop4: detected capacity change from 0 to 512
[  111.995894][  T348] EXT4-fs (loop2): unmounting filesystem.
[  112.033808][T16283] loop2: detected capacity change from 0 to 512
[  112.048561][T16286] loop0: detected capacity change from 0 to 518
[  112.072614][T16292] loop4: detected capacity change from 0 to 512
[  112.130253][T16299] loop3: detected capacity change from 0 to 512
[  112.150836][T16283] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[  112.176328][T16283] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/863/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  112.186822][T16292] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[  112.231613][T16311] loop0: detected capacity change from 0 to 512
[  112.296505][  T348] EXT4-fs (loop2): unmounting filesystem.
[  112.309170][T16324] loop1: detected capacity change from 0 to 512
[  112.372405][T16330] loop0: detected capacity change from 0 to 512
[  112.424164][T16355] loop3: detected capacity change from 0 to 512
[  112.452355][T16368] loop4: detected capacity change from 0 to 512
[  112.459573][T16351] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 31 prio class 2
[  112.467153][T16366] loop0: detected capacity change from 0 to 512
[  112.543369][T16390] loop4: detected capacity change from 0 to 512
[  112.563799][T16395] loop0: detected capacity change from 0 to 512
[  112.595381][T16390] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[  112.658503][T16423] loop5: detected capacity change from 0 to 512
[  112.683298][T16440] loop4: detected capacity change from 0 to 512
[  112.729967][T16452] loop0: detected capacity change from 0 to 512
[  112.744314][T16440] EXT4-fs (loop4): revision level too high, forcing read-only mode
[  112.753328][T16452] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[  112.754865][T16440] EXT4-fs (loop4): failed to initialize system zone (-117)
[  112.776649][T16440] EXT4-fs (loop4): mount failed
[  112.803737][T16465] loop2: detected capacity change from 0 to 512
[  112.810889][T16462] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  112.811872][T16463] loop5: detected capacity change from 0 to 519
[  112.829071][T16468] loop1: detected capacity change from 0 to 512
[  112.839595][T16474] loop4: detected capacity change from 0 to 512
[  112.841668][T16477] loop3: detected capacity change from 0 to 512
[  112.857089][T16476] buffer_io_error: 306 callbacks suppressed
[  112.857106][T16476] Buffer I/O error on dev loop3, logical block 0, async page read
[  112.860943][T16480] loop0: detected capacity change from 0 to 512
[  112.863130][T16476] Buffer I/O error on dev loop3, logical block 0, async page read
[  112.878414][T16462] Buffer I/O error on dev loop2, logical block 0, async page read
[  112.898341][T16479] Buffer I/O error on dev loop0, logical block 0, async page read
[  112.982905][T16498] loop3: detected capacity change from 0 to 512
[  113.027566][T16491] Buffer I/O error on dev loop3, logical block 0, async page read
[  113.036300][T16491] Buffer I/O error on dev loop3, logical block 0, async page read
[  113.040239][T16510] loop4: detected capacity change from 0 to 512
[  113.053948][T16491] Buffer I/O error on dev loop3, logical block 0, async page read
[  113.125397][T16509] Buffer I/O error on dev loop4, logical block 0, async page read
[  113.149844][T16541] loop5: detected capacity change from 0 to 512
[  113.205676][T16557] loop3: detected capacity change from 0 to 512
[  113.213795][T16540] Buffer I/O error on dev loop5, logical block 0, async page read
[  113.254080][T16565] loop4: detected capacity change from 0 to 512
[  113.308918][T16586] loop5: detected capacity change from 0 to 512
[  113.335482][T16584] loop3: detected capacity change from 0 to 512
[  113.335732][T16589] loop0: detected capacity change from 0 to 512
[  113.344606][T16593] loop2: detected capacity change from 0 to 512
[  113.353540][T16598] loop4: detected capacity change from 0 to 512
[  113.356584][T16583] Buffer I/O error on dev loop5, logical block 0, async page read
[  113.401397][T16602] loop1: detected capacity change from 0 to 512
[  113.405593][T16598] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[  113.416836][T16608] loop3: detected capacity change from 0 to 512
[  113.431670][T16610] loop2: detected capacity change from 0 to 512
[  113.459273][T16615] loop0: detected capacity change from 0 to 512
[  113.483878][T16619] loop1: detected capacity change from 0 to 515
[  113.498523][T16608] EXT4-fs (loop3): VFS: Can't find ext4 filesystem
[  113.518881][T16630] loop5: detected capacity change from 0 to 512
[  113.527934][T16632] loop2: detected capacity change from 0 to 512
[  113.552706][T16640] loop0: detected capacity change from 0 to 512
[  113.574146][T16646] loop4: detected capacity change from 0 to 512
[  113.595891][T16640] EXT4-fs (loop0): revision level too high, forcing read-only mode
[  113.623919][T16663] loop2: detected capacity change from 0 to 512
[  113.626784][T16660] loop1: detected capacity change from 0 to 512
[  113.639211][T16640] EXT4-fs (loop0): failed to initialize system zone (-117)
[  113.686807][T16640] EXT4-fs (loop0): mount failed
[  113.692877][T16674] EXT4-fs warning (device loop2): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  113.710015][T16680] loop1: detected capacity change from 0 to 512
[  113.718947][T16663] EXT4-fs (loop2): revision level too high, forcing read-only mode
[  113.727095][T16663] EXT4-fs (loop2): failed to initialize system zone (-117)
[  113.734619][T16663] EXT4-fs (loop2): mount failed
[  113.749381][T16687] loop5: detected capacity change from 0 to 512
[  113.751939][T16689] loop4: detected capacity change from 0 to 512
[  113.759399][T16685] loop3: detected capacity change from 0 to 517
[  113.772456][T16692] loop1: detected capacity change from 0 to 512
[  113.786902][T16695] loop0: detected capacity change from 0 to 512
[  113.837052][T16703] loop4: detected capacity change from 0 to 512
[  113.877281][T16709] loop0: detected capacity change from 0 to 518
[  113.913498][T16720] loop5: detected capacity change from 0 to 519
[  113.932394][T16726] loop2: detected capacity change from 0 to 519
[  113.934728][T16723] loop1: detected capacity change from 0 to 512
[  113.947254][T16709] EXT4-fs (loop0): revision level too high, forcing read-only mode
[  113.967549][T16709] EXT4-fs (loop0): failed to initialize system zone (-117)
[  114.007659][T16733] loop3: detected capacity change from 0 to 512
[  114.018881][T16737] loop5: detected capacity change from 0 to 512
[  114.033447][T16733] EXT4-fs (loop3): VFS: Can't find ext4 filesystem
[  114.034966][T16709] EXT4-fs (loop0): mount failed
[  114.056968][T16737] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[  114.087216][T16703] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback.
[  114.111653][T16703] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/889/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  114.158301][T16747] loop2: detected capacity change from 0 to 512
[  114.165160][  T347] EXT4-fs (loop4): unmounting filesystem.
[  114.167563][T16748] loop3: detected capacity change from 0 to 512
[  114.208784][T16752] loop0: detected capacity change from 0 to 512
[  114.256534][T16765] loop5: detected capacity change from 0 to 512
[  114.276743][T16780] loop0: detected capacity change from 0 to 512
[  114.291746][T16783] loop4: detected capacity change from 0 to 512
[  114.318810][T16791] loop1: detected capacity change from 0 to 512
[  114.381852][T16809] loop5: detected capacity change from 0 to 512
[  114.394380][T16791] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[  114.450999][T16821] loop3: detected capacity change from 0 to 512
[  114.484440][T16834] loop2: detected capacity change from 0 to 512
[  114.496065][T16828] loop0: detected capacity change from 0 to 518
[  114.509870][T16842] loop4: detected capacity change from 0 to 512
[  114.518078][T16821] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  114.588150][T16854] loop1: detected capacity change from 0 to 512
[  114.614595][T16863] loop0: detected capacity change from 0 to 512
[  114.636995][T16858] loop5: detected capacity change from 0 to 512
[  114.657978][T16869] loop3: detected capacity change from 0 to 512
[  114.676620][T16877] loop4: detected capacity change from 0 to 519
[  114.730970][T16891] loop0: detected capacity change from 0 to 512
[  114.739745][T16894] loop5: detected capacity change from 0 to 512
[  114.759595][T16901] loop4: detected capacity change from 0 to 512
[  114.773707][T16906] loop1: detected capacity change from 0 to 512
[  114.853133][T16924] loop4: detected capacity change from 0 to 512
[  114.870878][T16942] loop3: detected capacity change from 0 to 512
[  114.886271][T16945] loop1: detected capacity change from 0 to 512
[  114.930488][T16942] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  114.943775][T16967] loop0: detected capacity change from 0 to 512
[  114.952813][T16942] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/873/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  114.959836][T16969] loop5: detected capacity change from 0 to 512
[  115.009576][T16967] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[  115.023864][T16967] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/856/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  115.039379][  T353] EXT4-fs (loop3): unmounting filesystem.
[  115.055469][  T346] EXT4-fs (loop0): unmounting filesystem.
[  115.070933][T16986] loop5: detected capacity change from 0 to 512
[  115.083726][T16982] loop2: detected capacity change from 0 to 512
[  115.158085][T17015] loop5: detected capacity change from 0 to 512
[  115.183483][T17025] loop2: detected capacity change from 0 to 512
[  115.191639][T17023] loop0: detected capacity change from 0 to 512
[  115.230500][T17025] EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  115.257143][T17052] loop4: detected capacity change from 0 to 512
[  115.265136][T17025] EXT4-fs (loop2): group descriptors corrupted!
[  115.279452][T17060] loop1: detected capacity change from 0 to 512
[  115.289977][T17064] loop3: detected capacity change from 0 to 512
[  115.294551][T17062] loop5: detected capacity change from 0 to 519
[  115.307187][T17052] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[  115.324869][T17060] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[  115.363509][T17078] loop1: detected capacity change from 0 to 512
[  115.375926][T17076] loop0: detected capacity change from 0 to 512
[  115.389697][T17086] loop4: detected capacity change from 0 to 512
[  115.402742][T17093] loop3: detected capacity change from 0 to 512
[  115.411314][T17096] EXT4-fs warning (device loop1): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  115.416311][T17078] EXT4-fs (loop1): revision level too high, forcing read-only mode
[  115.430242][T17099] loop5: detected capacity change from 0 to 519
[  115.441674][T17078] EXT4-fs (loop1): failed to initialize system zone (-117)
[  115.450587][T17078] EXT4-fs (loop1): mount failed
[  115.473344][T17093] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  115.502380][T17093] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/881/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  115.536683][T17136] loop0: detected capacity change from 0 to 512
[  115.545733][  T353] EXT4-fs (loop3): unmounting filesystem.
[  115.562810][T17143] loop4: detected capacity change from 0 to 512
[  115.598482][T17164] loop3: detected capacity change from 0 to 512
[  115.606524][T17136] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[  115.635874][T17136] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/865/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  115.655410][T17169] loop1: detected capacity change from 0 to 512
[  115.666814][T17164] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  115.682596][  T346] EXT4-fs (loop0): unmounting filesystem.
[  115.694599][T17174] loop4: detected capacity change from 0 to 512
[  115.706914][T17183] loop1: detected capacity change from 0 to 512
[  115.734149][T17190] loop0: detected capacity change from 0 to 512
[  115.745100][T17174] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[  115.757010][T17187] blk_print_req_error: 452 callbacks suppressed
[  115.757028][T17187] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  115.759832][T17198] loop3: detected capacity change from 0 to 512
[  115.765826][T17187] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  115.802969][T17194] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  115.815106][T17200] loop2: detected capacity change from 0 to 512
[  115.849542][T17218] loop1: detected capacity change from 0 to 512
[  115.855988][T17194] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  115.868441][T17224] loop0: detected capacity change from 0 to 512
[  115.881471][T17217] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  115.881747][T17230] loop4: detected capacity change from 0 to 512
[  115.915136][T17234] loop2: detected capacity change from 0 to 512
[  115.916741][T17224] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  115.937053][T17230] EXT4-fs (loop4): revision level too high, forcing read-only mode
[  115.941257][T17236] loop5: detected capacity change from 0 to 512
[  115.950713][T17230] EXT4-fs (loop4): failed to initialize system zone (-117)
[  115.961237][T17230] EXT4-fs (loop4): mount failed
[  115.983649][T17253] loop1: detected capacity change from 0 to 519
[  115.993687][T17249] loop3: detected capacity change from 0 to 512
[  115.999124][T17256] loop5: detected capacity change from 0 to 519
[  116.001153][T17251] loop2: detected capacity change from 0 to 512
[  116.038720][T17256] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[  116.040083][T17267] loop1: detected capacity change from 0 to 512
[  116.060779][T17272] loop4: detected capacity change from 0 to 512
[  116.083999][T17269] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  116.102156][T17286] loop3: detected capacity change from 0 to 512
[  116.123833][T17267] EXT4-fs (loop1): revision level too high, forcing read-only mode
[  116.132505][T17267] EXT4-fs (loop1): failed to initialize system zone (-117)
[  116.143011][T17286] EXT4-fs (loop3): Magic mismatch, very weird!
[  116.147684][T17267] EXT4-fs (loop1): mount failed
[  116.180463][T17308] loop4: detected capacity change from 0 to 512
[  116.189281][T17304] loop2: detected capacity change from 0 to 512
[  116.200828][T17306] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  116.203521][T17318] loop1: detected capacity change from 0 to 512
[  116.224533][T17302] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  116.260837][T17317] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  116.270991][T17317] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  116.301035][T17342] loop0: detected capacity change from 0 to 512
[  116.323376][T17355] loop1: detected capacity change from 0 to 512
[  116.344305][T17367] loop2: detected capacity change from 0 to 512
[  116.362244][T17370] loop5: detected capacity change from 0 to 512
[  116.426601][T17385] loop2: detected capacity change from 0 to 519
[  116.461850][T17413] loop5: detected capacity change from 0 to 512
[  116.481029][T17419] loop3: detected capacity change from 0 to 512
[  116.489937][T17421] loop0: detected capacity change from 0 to 518
[  116.504313][T17430] loop2: detected capacity change from 0 to 512
[  116.522927][T17433] loop5: detected capacity change from 0 to 512
[  116.532273][T17439] loop4: detected capacity change from 0 to 512
[  116.557593][T17439] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[  116.576649][T17419] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  116.587084][T17419] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/897/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  116.678441][T17464] loop2: detected capacity change from 0 to 512
[  116.695962][T17462] loop4: detected capacity change from 0 to 512
[  116.706279][  T353] EXT4-fs (loop3): unmounting filesystem.
[  116.730486][T17471] loop0: detected capacity change from 0 to 512
[  116.741549][T17473] loop5: detected capacity change from 0 to 512
[  116.778132][T17476] loop1: detected capacity change from 0 to 512
[  116.787873][T17484] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  116.806386][T17471] EXT4-fs (loop0): revision level too high, forcing read-only mode
[  116.814469][T17471] EXT4-fs (loop0): failed to initialize system zone (-117)
2025/10/11 16:41:26 executed programs: 5502
[  116.833751][T17491] loop3: detected capacity change from 0 to 512
[  116.864516][T17471] EXT4-fs (loop0): mount failed
[  116.871998][T17497] loop4: detected capacity change from 0 to 512
[  116.901691][T17506] loop1: detected capacity change from 0 to 512
[  116.916133][T17473] EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
[  116.944124][T17508] loop2: detected capacity change from 0 to 512
[  116.964867][T17473] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/945/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  116.991961][T17506] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[  117.034876][T17514] EXT4-fs warning (device loop2): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  117.047119][T17508] EXT4-fs (loop2): revision level too high, forcing read-only mode
[  117.059754][T17508] EXT4-fs (loop2): failed to initialize system zone (-117)
[  117.070363][  T351] EXT4-fs (loop5): unmounting filesystem.
[  117.076728][T17527] loop3: detected capacity change from 0 to 512
[  117.091614][T17530] loop1: detected capacity change from 0 to 512
[  117.103416][T17532] loop0: detected capacity change from 0 to 512
[  117.110589][T17508] EXT4-fs (loop2): mount failed
[  117.123375][T17530] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[  117.138512][T17538] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  117.172718][T17532] EXT4-fs (loop0): revision level too high, forcing read-only mode
[  117.193980][T17532] EXT4-fs (loop0): failed to initialize system zone (-117)
[  117.203355][T17532] EXT4-fs (loop0): mount failed
[  117.215950][T17541] loop3: detected capacity change from 0 to 512
[  117.223416][T17550] loop2: detected capacity change from 0 to 512
[  117.261890][T17564] loop4: detected capacity change from 0 to 512
[  117.264916][T17557] loop0: detected capacity change from 0 to 518
[  117.283858][T17567] loop5: detected capacity change from 0 to 512
[  117.297101][T17541] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  117.325795][T17541] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/902/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  117.402172][T17579] loop5: detected capacity change from 0 to 512
[  117.403580][T17577] loop0: detected capacity change from 0 to 518
[  117.473633][T17588] loop1: detected capacity change from 0 to 512
[  117.481867][  T353] EXT4-fs (loop3): unmounting filesystem.
[  117.515103][T17579] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[  117.536264][T17595] loop4: detected capacity change from 0 to 519
[  117.600243][T17588] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
[  117.611217][T17610] loop4: detected capacity change from 0 to 512
[  117.621843][T17615] loop3: detected capacity change from 0 to 512
[  117.628474][T17588] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/912/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  117.667936][T17615] EXT4-fs (loop3): VFS: Can't find ext4 filesystem
[  117.668215][T17619] loop2: detected capacity change from 0 to 512
[  117.690176][T17622] loop0: detected capacity change from 0 to 512
[  117.702501][T17622] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[  117.753434][T17627] loop5: detected capacity change from 0 to 128
[  117.760141][  T343] EXT4-fs (loop1): unmounting filesystem.
[  117.793941][T17627] ext4: Unknown parameter 'nosuid'
[  117.809385][T17628] loop3: detected capacity change from 0 to 512
[  117.834610][T17639] loop0: detected capacity change from 0 to 512
[  117.856613][T17637] loop2: detected capacity change from 0 to 519
[  117.860352][T17647] loop1: detected capacity change from 0 to 512
[  117.876566][T17631] buffer_io_error: 549 callbacks suppressed
[  117.876581][T17631] Buffer I/O error on dev loop2, logical block 0, async page read
[  117.888688][T17641] Buffer I/O error on dev loop1, logical block 0, async page read
[  117.892326][T17638] Buffer I/O error on dev loop0, logical block 0, async page read
[  117.908896][T17651] loop5: detected capacity change from 0 to 512
[  117.948538][T17661] loop4: detected capacity change from 0 to 512
[  118.035704][T17676] loop3: detected capacity change from 0 to 512
[  118.038237][T17674] loop1: detected capacity change from 0 to 519
[  118.067757][T17659] Buffer I/O error on dev loop1, logical block 0, async page read
[  118.101456][T17688] loop2: detected capacity change from 0 to 519
[  118.164319][T17701] loop5: detected capacity change from 0 to 512
[  118.185018][T17676] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  118.188736][T17708] loop4: detected capacity change from 0 to 512
[  118.206821][T17676] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/909/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  118.220062][T17712] loop1: detected capacity change from 0 to 512
[  118.234279][T17688] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback.
[  118.257850][T17722] loop0: detected capacity change from 0 to 512
[  118.265261][T17719] loop4: detected capacity change from 0 to 512
[  118.286204][T17722] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[  118.291895][T17688] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/946/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  118.292820][T17719] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[  118.315466][  T353] EXT4-fs (loop3): unmounting filesystem.
[  118.332776][T17728] loop1: detected capacity change from 0 to 519
[  118.332983][  T348] EXT4-fs (loop2): unmounting filesystem.
[  118.350168][T17727] Buffer I/O error on dev loop1, logical block 0, async page read
[  118.360088][T17727] Buffer I/O error on dev loop1, logical block 0, async page read
[  118.389084][T17739] loop3: detected capacity change from 0 to 512
[  118.395575][T17727] Buffer I/O error on dev loop1, logical block 0, async page read
[  118.433063][T17744] loop0: detected capacity change from 0 to 518
[  118.450477][T17751] loop2: detected capacity change from 0 to 512
[  118.478472][T17756] loop4: detected capacity change from 0 to 512
[  118.496786][T17748] Buffer I/O error on dev loop2, logical block 0, async page read
[  118.537190][T17763] loop0: detected capacity change from 0 to 512
[  118.542252][T17756] EXT4-fs (loop4): VFS: Can't find ext4 filesystem
[  118.551490][T17761] loop5: detected capacity change from 0 to 512
[  118.578073][T17763] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  118.598662][T17769] loop3: detected capacity change from 0 to 512
[  118.629272][T17779] loop5: detected capacity change from 0 to 512
[  118.654409][T17768] Buffer I/O error on dev loop3, logical block 0, async page read
[  118.686727][T17776] Buffer I/O error on dev loop5, logical block 0, async page read
[  118.703400][T17797] loop2: detected capacity change from 0 to 512
[  118.711289][T17787] loop4: detected capacity change from 0 to 519
[  118.725499][T17793] loop1: detected capacity change from 0 to 519
[  118.802668][T17820] loop2: detected capacity change from 0 to 512
[  118.839399][T17829] loop4: detected capacity change from 0 to 512
[  118.880054][T17838] loop3: detected capacity change from 0 to 512
[  118.961539][T17838] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback.
[  118.974416][T17838] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/916/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  118.978203][T17858] loop2: detected capacity change from 0 to 512
[  118.999476][T17862] loop1: detected capacity change from 0 to 512
[  119.018416][T17862] EXT4-fs (loop1): revision level too high, forcing read-only mode
[  119.020959][T17867] loop0: detected capacity change from 0 to 512
[  119.032064][T17872] loop5: detected capacity change from 0 to 512
[  119.041013][T17862] EXT4-fs (loop1): failed to initialize system zone (-117)
[  119.049282][T17862] EXT4-fs (loop1): mount failed
[  119.051350][T17875] loop4: detected capacity change from 0 to 512
[  119.107761][T17887] loop2: detected capacity change from 0 to 512
[  119.125083][T17867] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/905/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  119.149539][T17887] EXT4-fs (loop2): VFS: Can't find ext4 filesystem
[  119.270898][T17875] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/952/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  119.301341][T17918] loop2: detected capacity change from 0 to 512
[  119.313265][T17922] loop1: detected capacity change from 0 to 512
[  119.369915][T17941] loop3: detected capacity change from 0 to 512
[  119.398958][T17949] loop5: detected capacity change from 0 to 512
[  119.410688][T17952] loop1: detected capacity change from 0 to 512
[  119.424524][T17956] loop3: detected capacity change from 0 to 512
[  119.449154][T17961] loop0: detected capacity change from 0 to 512
[  119.455803][T17958] loop4: detected capacity change from 0 to 512
[  119.509006][T17977] loop2: detected capacity change from 0 to 512
[  119.548116][T17961] EXT4-fs (loop0): VFS: Can't find ext4 filesystem
[  119.561735][T17982] loop3: detected capacity change from 0 to 517
[  119.572614][T17988] loop4: detected capacity change from 0 to 512
[  119.615982][T17997] loop5: detected capacity change from 0 to 512
[  119.630642][T18000] loop1: detected capacity change from 0 to 512
[  119.670455][T18010] loop3: detected capacity change from 0 to 512
[  119.703937][T18018] loop1: detected capacity change from 0 to 512
[  119.716532][T18026] loop2: detected capacity change from 0 to 512
[  119.779402][T18047] loop1: detected capacity change from 0 to 512
[  119.870626][T18083] loop1: detected capacity change from 0 to 519
[  119.890685][T18094] loop5: detected capacity change from 0 to 512
[  119.898310][T18100] loop3: detected capacity change from 0 to 512
[  119.910696][T18097] loop2: detected capacity change from 0 to 512
[  119.929773][T18108] loop0: detected capacity change from 0 to 512
[  119.946237][T18108] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  119.968791][T18114] loop4: detected capacity change from 0 to 512
[  119.978868][T18108] EXT4-fs (loop0): group descriptors corrupted!
[  119.993695][T18119] loop1: detected capacity change from 0 to 512
[  120.004623][T18125] loop5: detected capacity change from 0 to 512
[  120.057577][T18128] loop0: detected capacity change from 0 to 518
[  120.060019][T18134] loop2: detected capacity change from 0 to 512
[  120.092084][T18136] EXT4-fs warning (device loop1): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  120.115456][T18141] loop4: detected capacity change from 0 to 512
[  120.123763][T18144] loop5: detected capacity change from 0 to 512
[  120.138005][T18119] EXT4-fs (loop1): revision level too high, forcing read-only mode
[  120.148061][T18119] EXT4-fs (loop1): failed to initialize system zone (-117)
[  120.157424][T18152] loop0: detected capacity change from 0 to 512
[  120.161559][T18119] EXT4-fs (loop1): mount failed
[  120.174908][T18134] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/966/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  120.226122][T18159] loop4: detected capacity change from 0 to 512
[  120.236853][T18160] EXT4-fs warning (device loop0): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  120.253427][T18152] EXT4-fs (loop0): revision level too high, forcing read-only mode
[  120.262909][T18167] loop1: detected capacity change from 0 to 512
[  120.277915][T18173] loop5: detected capacity change from 0 to 512
[  120.279807][T18152] EXT4-fs (loop0): failed to initialize system zone (-117)
[  120.305494][T18152] EXT4-fs (loop0): mount failed
[  120.312785][T18171] loop4: detected capacity change from 0 to 512
[  120.327283][T18177] loop2: detected capacity change from 0 to 512
[  120.342297][T18185] loop1: detected capacity change from 0 to 512
[  120.417423][T18210] loop1: detected capacity change from 0 to 512
[  120.430675][T18221] loop2: detected capacity change from 0 to 512
[  120.444503][T18227] loop3: detected capacity change from 0 to 512
[  120.494785][T18236] loop4: detected capacity change from 0 to 519
[  120.499458][T18245] loop5: detected capacity change from 0 to 512
[  120.525265][T18255] loop2: detected capacity change from 0 to 512
[  120.596228][T18255] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/971/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  120.605421][T18276] loop1: detected capacity change from 0 to 512
[  120.621860][T18287] loop3: detected capacity change from 0 to 512
[  120.624663][T18289] loop5: detected capacity change from 0 to 512
[  120.666443][T18287] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/944/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  120.718291][T18303] loop5: detected capacity change from 0 to 512
[  120.723446][T18307] loop4: detected capacity change from 0 to 512
[  120.733871][T18312] loop0: detected capacity change from 0 to 512
[  120.759084][T18312] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  120.769262][T18307] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[  120.777757][T18319] loop2: detected capacity change from 0 to 512
[  120.798595][T18324] loop3: detected capacity change from 0 to 512
[  120.802214][T18327] loop5: detected capacity change from 0 to 512
[  120.807827][T18330] loop1: detected capacity change from 0 to 512
[  120.822246][T18318] blk_print_req_error: 683 callbacks suppressed
[  120.822263][T18318] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  120.822278][T18328] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  120.836081][T18317] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  120.847900][T18328] I/O error, dev loop1, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  120.870441][T18327] EXT4-fs (loop5): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  120.880324][T18317] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  120.897748][T18336] loop4: detected capacity change from 0 to 512
[  120.912314][T18335] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  120.921907][T18327] EXT4-fs (loop5): group descriptors corrupted!
[  121.010182][T18357] loop0: detected capacity change from 0 to 512
[  121.040272][T18366] loop5: detected capacity change from 0 to 512
[  121.050959][T18370] loop2: detected capacity change from 0 to 512
[  121.052270][T18356] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  121.062122][T18372] loop4: detected capacity change from 0 to 512
[  121.071521][T18356] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  121.099157][T18376] loop3: detected capacity change from 0 to 512
[  121.116633][T18368] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  121.205011][T18401] loop0: detected capacity change from 0 to 512
[  121.212063][T18399] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  121.214607][T18394] loop4: detected capacity change from 0 to 512
[  121.229526][T18376] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/947/ext4 supports timestamps until 2038-01-19 (0x7fffffff)
[  121.269897][T18397] loop1: detected capacity change from 0 to 512
[  121.283402][T18410] loop5: detected capacity change from 0 to 512
[  121.292294][T18408] loop4: detected capacity change from 0 to 512
[  121.358466][T18416] loop1: detected capacity change from 0 to 519
[  121.366038][T18423] loop2: detected capacity change from 0 to 519
[  121.382077][T18425] loop0: detected capacity change from 0 to 518
[  121.393735][T18428] loop5: detected capacity change from 0 to 512
[  121.398361][T18434] loop3: detected capacity change from 0 to 512
[  121.468253][T18446] loop0: detected capacity change from 0 to 512
[  121.486188][T18444] loop2: detected capacity change from 0 to 512
[  121.529644][T18434] ext4 filesystem being mounted at /root/syzkaller-testdir2892880618/syzkaller.dG7fzT/949/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  121.579475][T18464] loop1: detected capacity change from 0 to 512
[  121.603940][T18472] loop0: detected capacity change from 0 to 518
[  121.630863][T18484] loop2: detected capacity change from 0 to 512
[  121.641097][T18479] loop1: detected capacity change from 0 to 512
[  121.666788][T18492] loop3: detected capacity change from 0 to 512
[  121.667862][T18494] loop4: detected capacity change from 0 to 512
[  121.693392][T18499] loop0: detected capacity change from 0 to 518
[  121.709320][T18492] EXT4-fs (loop3): VFS: Can't find ext4 filesystem
[  121.714222][T18502] loop5: detected capacity change from 0 to 512
[  121.795360][T18509] EXT4-fs warning (device loop4): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  121.807162][T18512] loop1: detected capacity change from 0 to 512
[  121.825226][T18494] EXT4-fs (loop4): revision level too high, forcing read-only mode
2025/10/11 16:41:31 executed programs: 5828
[  121.875081][T18494] EXT4-fs (loop4): failed to initialize system zone (-117)
[  121.890637][T18494] EXT4-fs (loop4): mount failed
[  121.936623][T18536] loop5: detected capacity change from 0 to 512
[  121.945933][T18537] loop3: detected capacity change from 0 to 512
[  122.000211][T18551] loop2: detected capacity change from 0 to 512
[  122.007498][T18557] loop3: detected capacity change from 0 to 512
[  122.027710][T18563] loop4: detected capacity change from 0 to 512
[  122.073601][T18570] loop0: detected capacity change from 0 to 512
[  122.122791][T18588] loop1: detected capacity change from 0 to 512
[  122.208218][T18611] loop5: detected capacity change from 0 to 519
[  122.215157][T18606] loop4: detected capacity change from 0 to 512
[  122.234250][T18618] loop0: detected capacity change from 0 to 512
[  122.298613][T18632] loop4: detected capacity change from 0 to 519
[  122.318045][T18644] loop1: detected capacity change from 0 to 512
[  122.407337][T18671] loop0: detected capacity change from 0 to 512
[  122.430310][T18681] loop5: detected capacity change from 0 to 512
[  122.430761][T18677] loop1: detected capacity change from 0 to 512
[  122.442124][T18679] loop3: detected capacity change from 0 to 512
[  122.507251][T18690] loop4: detected capacity change from 0 to 512
[  122.546745][T18698] loop0: detected capacity change from 0 to 518
[  122.557263][T18706] loop5: detected capacity change from 0 to 519
[  122.562198][T18711] loop2: detected capacity change from 0 to 512
[  122.585017][T18713] loop1: detected capacity change from 0 to 512
[  122.673869][T18737] loop0: detected capacity change from 0 to 512
[  122.729372][T18706] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/1011/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  122.812716][T18750] loop1: detected capacity change from 0 to 512
[  122.836898][T18766] loop4: detected capacity change from 0 to 512
[  122.846220][T18771] loop3: detected capacity change from 0 to 512
[  122.900663][T18790] loop3: detected capacity change from 0 to 512
[  122.911971][T18786] loop0: detected capacity change from 0 to 518
[  122.915999][T18794] loop1: detected capacity change from 0 to 512
[  122.925294][T18792] loop4: detected capacity change from 0 to 512
[  122.945012][T18790] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  122.945640][T18793] buffer_io_error: 755 callbacks suppressed
[  122.945655][T18793] Buffer I/O error on dev loop1, logical block 0, async page read
[  123.029124][T18829] loop0: detected capacity change from 0 to 518
[  123.041430][T18831] loop2: detected capacity change from 0 to 512
[  123.042973][T18825] Buffer I/O error on dev loop0, logical block 0, async page read
[  123.073543][T18828] Buffer I/O error on dev loop2, logical block 0, async page read
[  123.086301][T18848] loop1: detected capacity change from 0 to 512
[  123.087738][T18847] loop3: detected capacity change from 0 to 517
[  123.094348][T18828] Buffer I/O error on dev loop2, logical block 0, async page read
[  123.173300][T18848] ext4 filesystem being mounted at /root/syzkaller-testdir918617848/syzkaller.J4b6n4/975/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  123.193655][T18872] loop2: detected capacity change from 0 to 512
[  123.200449][T18866] Buffer I/O error on dev loop2, logical block 0, async page read
[  123.206941][T18878] loop3: detected capacity change from 0 to 512
[  123.222125][T18878] EXT4-fs (loop3): VFS: Can't find ext4 filesystem
[  123.227353][T18876] loop4: detected capacity change from 0 to 512
[  123.234820][T18868] loop5: detected capacity change from 0 to 519
[  123.274541][T18881] loop0: detected capacity change from 0 to 512
[  123.310962][T18884] loop4: detected capacity change from 0 to 512
[  123.327090][T18889] loop5: detected capacity change from 0 to 512
[  123.333957][T18881] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  123.346472][T18892] loop2: detected capacity change from 0 to 512
[  123.377426][T18888] Buffer I/O error on dev loop5, logical block 0, async page read
[  123.391232][T18903] loop4: detected capacity change from 0 to 512
[  123.397787][T18888] Buffer I/O error on dev loop5, logical block 0, async page read
[  123.397839][T18881] EXT4-fs (loop0): group descriptors corrupted!
[  123.417477][T18900] Buffer I/O error on dev loop4, logical block 0, async page read
[  123.432061][T18888] Buffer I/O error on dev loop5, logical block 0, async page read
[  123.483979][T18916] loop2: detected capacity change from 0 to 512
[  123.494525][T18919] loop4: detected capacity change from 0 to 512
[  123.494538][T18918] loop1: detected capacity change from 0 to 512
[  123.550835][T18928] loop3: detected capacity change from 0 to 512
[  123.573120][T18916] EXT4-fs (loop2): Magic mismatch, very weird!
[  123.574648][T18915] Buffer I/O error on dev loop4, logical block 0, async page read
[  123.614192][T18935] loop0: detected capacity change from 0 to 512
[  123.659148][T18941] loop1: detected capacity change from 0 to 519
[  123.701862][T18938] loop5: detected capacity change from 0 to 512
[  123.778550][T18987] loop3: detected capacity change from 0 to 512
[  123.804629][T18997] loop2: detected capacity change from 0 to 512
[  123.804638][T18996] loop1: detected capacity change from 0 to 512
[  123.833409][T19005] loop0: detected capacity change from 0 to 512
[  123.847981][T19007] loop4: detected capacity change from 0 to 512
[  123.901422][T19017] loop2: detected capacity change from 0 to 519
[  123.961191][T19034] loop5: detected capacity change from 0 to 512
[  123.989795][T19046] loop3: detected capacity change from 0 to 512
[  123.994242][T19038] loop0: detected capacity change from 0 to 512
[  123.998036][T19044] loop4: detected capacity change from 0 to 512
[  124.037769][T19054] EXT4-fs warning (device loop5): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  124.045546][T19057] loop3: detected capacity change from 0 to 512
[  124.055055][T19034] EXT4-fs (loop5): revision level too high, forcing read-only mode
[  124.058979][T19052] loop2: detected capacity change from 0 to 519
[  124.078049][T19034] EXT4-fs (loop5): failed to initialize system zone (-117)
[  124.083999][T19063] loop1: detected capacity change from 0 to 512
[  124.085774][T19034] EXT4-fs (loop5): mount failed
[  124.098151][T19057] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  124.114923][T19038] EXT4-fs warning (device loop0): read_mmp_block:115: Error -74 while reading MMP block 12
[  124.131994][T19066] loop4: detected capacity change from 0 to 512
[  124.158306][T19066] EXT4-fs (loop4): Magic mismatch, very weird!
[  124.187525][T19081] loop3: detected capacity change from 0 to 512
[  124.203747][T19087] loop0: detected capacity change from 0 to 512
[  124.237153][T19100] loop1: detected capacity change from 0 to 512
[  124.246403][T19104] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  124.251127][T19101] loop5: detected capacity change from 0 to 512
[  124.267348][T19107] loop2: detected capacity change from 0 to 512
[  124.267609][T19081] EXT4-fs (loop3): revision level too high, forcing read-only mode
[  124.327295][T19100] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[  124.347728][T19081] EXT4-fs (loop3): failed to initialize system zone (-117)
[  124.365012][T19107] ext4 filesystem being mounted at /root/syzkaller-testdir1286037752/syzkaller.M8GP5Q/1019/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  124.379074][T19081] EXT4-fs (loop3): mount failed
[  124.388848][T19117] loop4: detected capacity change from 0 to 512
[  124.437441][T19130] loop0: detected capacity change from 0 to 512
[  124.447130][T19127] loop1: detected capacity change from 0 to 512
[  124.454127][T19123] loop5: detected capacity change from 0 to 512
[  124.475516][T19132] loop3: detected capacity change from 0 to 512
[  124.498729][T19127] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[  124.589899][T19130] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/972/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  124.623729][T19152] loop4: detected capacity change from 0 to 512
[  124.640506][T19163] loop2: detected capacity change from 0 to 512
[  124.641497][T19161] loop3: detected capacity change from 0 to 512
[  124.658035][T19167] loop1: detected capacity change from 0 to 519
[  124.678273][T19169] loop5: detected capacity change from 0 to 512
[  124.699530][T19169] EXT4-fs (loop5): Magic mismatch, very weird!
[  124.737832][T19167] EXT4-fs (loop1): VFS: Can't find ext4 filesystem
[  124.783210][T19189] loop5: detected capacity change from 0 to 512
[  124.795665][T19181] loop2: detected capacity change from 0 to 519
[  124.802157][T19185] loop4: detected capacity change from 0 to 512
[  124.811288][T19196] loop3: detected capacity change from 0 to 512
[  124.828184][T19189] EXT4-fs warning (device loop5): read_mmp_block:115: Error -74 while reading MMP block 12
[  124.845317][T19196] EXT4-fs warning (device loop3): read_mmp_block:115: Error -74 while reading MMP block 12
[  124.870392][T19200] loop1: detected capacity change from 0 to 519
[  124.882594][T19202] loop0: detected capacity change from 0 to 512
[  124.923852][T19221] loop4: detected capacity change from 0 to 512
[  124.960906][T19235] loop0: detected capacity change from 0 to 512
[  124.999820][T19221] ext4 filesystem being mounted at /root/syzkaller-testdir2173948671/syzkaller.sLZuoQ/1027/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  125.026632][T19252] loop3: detected capacity change from 0 to 512
[  125.088549][T19265] loop0: detected capacity change from 0 to 518
[  125.097373][T19261] loop1: detected capacity change from 0 to 512
[  125.150702][T19265] ext4 filesystem being mounted at /root/syzkaller-testdir2050275311/syzkaller.iVNWLr/977/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  125.165741][T19283] loop3: detected capacity change from 0 to 512
[  125.177185][T19278] loop4: detected capacity change from 0 to 519
[  125.205535][T19287] EXT4-fs warning (device loop3): kmmpd:168: kmmpd being stopped since MMP feature has been disabled.
[  125.230552][T19283] EXT4-fs (loop3): revision level too high, forcing read-only mode
[  125.239646][T19294] loop5: detected capacity change from 0 to 512
[  125.261488][T19283] EXT4-fs (loop3): failed to initialize system zone (-117)
[  125.272392][T19301] loop4: detected capacity change from 0 to 512
[  125.273150][T19283] EXT4-fs (loop3): mount failed
[  125.286229][T19299] loop2: detected capacity change from 0 to 512
[  125.299160][T19294] EXT4-fs (loop5): Magic mismatch, very weird!
[  125.337528][T19308] loop0: detected capacity change from 0 to 518
[  125.383177][T19314] loop4: detected capacity change from 0 to 519
[  125.384631][T19322] loop3: detected capacity change from 0 to 512
[  125.418754][T19331] loop2: detected capacity change from 0 to 512
[  125.425636][T19329] loop0: detected capacity change from 0 to 512
[  125.452731][T19342] loop3: detected capacity change from 0 to 517
[  125.470296][T19353] loop0: detected capacity change from 0 to 512
[  125.498734][T19363] loop1: detected capacity change from 0 to 512
[  125.557230][T19385] loop5: detected capacity change from 0 to 512
[  125.592340][T19385] ext4 filesystem being mounted at /root/syzkaller-testdir3275367486/syzkaller.Okh0h5/1045/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[  125.616695][T19403] loop1: detected capacity change from 0 to 512
[  125.647937][T19412] loop0: detected capacity change from 0 to 512
[  125.690411][T19403] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[  125.702533][T19415] loop4: detected capacity change from 0 to 512
[  125.740629][T19424] loop0: detected capacity change from 0 to 512
[  125.741011][T19433] loop1: detected capacity change from 0 to 519
[  125.758477][T19431] loop2: detected capacity change from 0 to 519
[  125.799314][T19442] loop5: detected capacity change from 0 to 519
[  125.810697][T19448] loop0: detected capacity change from 0 to 512
[  125.837484][T19457] loop4: detected capacity change from 0 to 512
[  125.875657][T19457] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
[  125.882070][T19481] loop0: detected capacity change from 0 to 518
[  125.902338][T19478] blk_print_req_error: 633 callbacks suppressed
[  125.902356][T19478] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  125.923932][T19487] loop2: detected capacity change from 0 to 512
[  125.949111][T19492] loop3: detected capacity change from 0 to 512
[  125.988651][T19490] I/O error, dev loop3, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  126.007662][T19517] loop2: detected capacity change from 0 to 512
[  126.007936][T19511] loop4: detected capacity change from 0 to 512
[  126.025441][T19510] I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  126.051765][T19532] loop5: detected capacity change from 0 to 512
[  126.063095][T19531] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  126.077846][T19531] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  126.116938][T19556] loop0: detected capacity change from 0 to 512
[  126.160493][T19577] loop2: detected capacity change from 0 to 512
[  126.210029][T19604] loop0: detected capacity change from 0 to 512
[  126.214417][T19600] loop3: detected capacity change from 0 to 517
[  126.221137][T19593] loop5: detected capacity change from 0 to 519
[  126.226837][T19596] loop4: detected capacity change from 0 to 519
[  126.236880][T19592] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  126.239432][T19599] loop2: detected capacity change from 0 to 512
[  126.247465][T19584] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  126.263210][T19592] I/O error, dev loop5, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  126.272757][T19600] EXT4-fs (loop3): ext4_check_descriptors: Checksum for group 0 failed (47122!=0)
[  126.284605][T19607] loop1: detected capacity change from 0 to 512
[  126.300629][T19600] EXT4-fs (loop3): group descriptors corrupted!
[  126.302940][T19610] loop2: detected capacity change from 0 to 512
[  126.314111][T19609] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 32 prio class 2
[  126.327853][T19609] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[  126.346033][T19613] loop0: detected capacity change from 0 to 512
[  126.347128][T19607] EXT4-fs warning (device loop1): read_mmp_block:115: Error -74 while reading MMP block 12
[  126.371760][T19617] loop5: detected capacity change from 0 to 512
[  126.419649][T19636] loop2: detected capacity change from 0 to 512
[  126.439155][T19645] loop5: detected capacity change from 0 to 512
[  126.447643][T19638] loop1: detected capacity change from 0 to 512
[  126.457332][T19649] loop4: detected capacity change from 0 to 512
[  126.469108][T19636] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[  126.488717][T19658] loop0: detected capacity change from 0 to 512
[  126.514620][T19664] loop4: detected capacity change from 0 to 512
[  126.539522][T19668] loop5: detected capacity change from 0 to 512
[  126.544188][T19672] loop3: detected capacity change from 0 to 512
[  126.581918][T19686] loop3: detected capacity change from 0 to 512
[  126.581987][T19687] loop2: detected capacity change from 0 to 512
[  126.594866][T19681] loop4: detected capacity change from 0 to 512
[  126.633722][T19699] loop5: detected capacity change from 0 to 519
[  126.650652][T19698] loop1: detected capacity change from 0 to 512
[  126.665683][T19687] EXT4-fs warning (device loop2): read_mmp_block:115: Error -74 while reading MMP block 12
[  126.689148][T19711] loop4: detected capacity change from 0 to 512
[  126.690294][T19705] loop0: detected capacity change from 0 to 512
[  126.707788][T19707] loop3: detected capacity change from 0 to 512
[  126.746924][T19724] loop1: detected capacity change from 0 to 512
[  126.762610][T19739] loop4: detected capacity change from 0 to 512
[  126.790372][T19748] loop3: detected capacity change from 0 to 512
[  126.815250][T19739] EXT4-fs warning (device loop4): read_mmp_block:115: Error -74 while reading MMP block 12
2025/10/11 16:41:37 executed programs: 6234
[  126.856550][T19748] EXT4-fs (loop3): revision level too high, forcing read-only mode
[  126.870402][T19774] loop0: detected capacity change from 0 to 512
[  126.889668][T19777] loop1: detected capacity change from 0 to 512
[  126.898756][T19748] EXT4-fs (loop3): failed to initialize system zone (-117)
[  126.926493][T19748] EXT4-fs (loop3): mount failed
[  127.023697][T19819] loop1: detected capacity change from 0 to 519
[  127.043180][T19841] loop4: detected capacity change from 0 to 512
[  127.051674][T19837] loop5: detected capacity change from 0 to 512
[  127.092662][T19837] ------------[ cut here ]------------
[  127.098238][T19837] kernel BUG at fs/ext4/super.c:7000!
[  127.105565][T19854] loop0: detected capacity change from 0 to 512
[  127.119959][T19837] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[  127.126093][T19837] CPU: 0 PID: 19837 Comm: syz-executor.5 Not tainted syzkaller #0
[  127.133932][T19837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[  127.144024][T19837] RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0
[  127.149904][T19837] Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 36 2b bf ff e9 97 fa ff ff e8 0c 0d f8 02 e8 67 bd 7a ff <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 11 c0 4f
[  127.169551][T19837] RSP: 0018:ffffc90000e778f0 EFLAGS: 00010293
[  127.175742][T19837] RAX: ffffffff81f56099 RBX: ffff888117c73000 RCX: ffff88811c146540
[  127.180976][T19868] loop4: detected capacity change from 0 to 128
[  127.183740][T19837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  127.183758][T19837] RBP: ffffc90000e77990 R08: dffffc0000000000 R09: ffffed10249edb15
[  127.205943][T19837] R10: ffffed10249edb15 R11: 1ffff110249edb14 R12: 0000000000000004
[  127.210135][T19868] ext4: Unknown parameter 'nosuid'
[  127.213955][T19837] R13: ffff8881277f9464 R14: 0000000000000000 R15: 0000000000000001
[  127.213973][T19837] FS:  00007fedb76f66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[  127.235988][T19837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.242570][T19837] CR2: 00007fff65410fd8 CR3: 0000000121c6c000 CR4: 00000000003506b0
[  127.250561][T19837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  127.258536][T19837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  127.266508][T19837] Call Trace:
[  127.269791][T19837]  <TASK>
[  127.272731][T19837]  ext4_fill_super+0x70fc/0x7970
[  127.277692][T19837]  ? __cfi_ext4_fill_super+0x10/0x10
[  127.283061][T19837]  ? snprintf+0xd7/0x120
[  127.287319][T19837]  ? set_blocksize+0x1df/0x360
[  127.292125][T19837]  ? sb_set_blocksize+0xaa/0xf0
[  127.297043][T19837]  get_tree_bdev+0x444/0x680
[  127.301646][T19837]  ? __cfi_ext4_fill_super+0x10/0x10
[  127.306948][T19837]  ext4_get_tree+0x1c/0x20
[  127.311372][T19837]  vfs_get_tree+0x9a/0x270
[  127.315795][T19837]  do_new_mount+0x25a/0xa20
[  127.320332][T19837]  path_mount+0x675/0x1010
[  127.324794][T19837]  ? user_path_at_empty+0x161/0x1c0
[  127.330040][T19837]  __se_sys_mount+0x318/0x380
[  127.334725][T19837]  ? do_mkdirat+0x459/0x4c0
[  127.339234][T19837]  ? __x64_sys_mount+0xd0/0xd0
[  127.344015][T19837]  __x64_sys_mount+0xbf/0xd0
[  127.348620][T19837]  x64_sys_call+0x65d/0x9a0
[  127.353139][T19837]  do_syscall_64+0x4c/0xa0
[  127.357649][T19837]  ? clear_bhb_loop+0x30/0x80
[  127.362334][T19837]  ? clear_bhb_loop+0x30/0x80
[  127.367020][T19837]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  127.372944][T19837] RIP: 0033:0x7fedb6a7e1ea
[  127.377388][T19837] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[  127.396998][T19837] RSP: 002b:00007fedb76f5ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  127.405430][T19837] RAX: ffffffffffffffda RBX: 00007fedb76f5f80 RCX: 00007fedb6a7e1ea
[  127.413422][T19837] RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007fedb76f5f40
[  127.421399][T19837] RBP: 00000000200005c0 R08: 00007fedb76f5f80 R09: 0000000000200810
[  127.429384][T19837] R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000
[  127.437368][T19837] R13: 00007fedb76f5f40 R14: 00000000000004da R15: 0000000020001400
[  127.445349][T19837]  </TASK>
[  127.448388][T19837] Modules linked in:
[  127.460426][T19837] ---[ end trace 0000000000000000 ]---
[  127.470056][T19837] RIP: 0010:ext4_enable_quotas+0x6c9/0x6d0
[  127.479641][T19837] Code: ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a4 fa ff ff 4c 89 f7 e8 36 2b bf ff e9 97 fa ff ff e8 0c 0d f8 02 e8 67 bd 7a ff <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 11 c0 4f
[  127.499719][T19837] RSP: 0018:ffffc90000e778f0 EFLAGS: 00010293
[  127.506933][T19837] RAX: ffffffff81f56099 RBX: ffff888117c73000 RCX: ffff88811c146540
[  127.515663][T19837] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  127.523797][T19837] RBP: ffffc90000e77990 R08: dffffc0000000000 R09: ffffed10249edb15
[  127.532050][T19837] R10: ffffed10249edb15 R11: 1ffff110249edb14 R12: 0000000000000004
[  127.540405][T19837] R13: ffff8881277f9464 R14: 0000000000000000 R15: 0000000000000001
[  127.548738][T19837] FS:  00007fedb76f66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[  127.560116][T19837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.579842][T19837] CR2: 00007f8599b78038 CR3: 0000000121c6c000 CR4: 00000000003506b0
[  127.592625][T19837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  127.620858][T19837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  127.639112][T19837] Kernel panic - not syncing: Fatal exception
[  127.645567][T19837] Kernel Offset: disabled
[  127.649904][T19837] Rebooting in 86400 seconds..