uire dquot type 0
[  441.383609][T16127] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2705: Failed to acquire dquot type 0
[  441.536989][T16133] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2706: Failed to acquire dquot type 0
[  441.711238][T16130] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2707: Failed to acquire dquot type 0
[  441.834200][T16140] set_capacity_and_notify: 75 callbacks suppressed
[  441.834228][T16140] loop6: detected capacity change from 1024 to 64
[  441.852847][T16138] loop2: detected capacity change from 1024 to 64
[  441.876481][T16148] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2710: Failed to acquire dquot type 0
[  441.888770][T16147] loop4: detected capacity change from 0 to 1024
[  441.902032][T16137] loop1: detected capacity change from 1024 to 64
[  441.903358][T16150] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2709: Failed to acquire dquot type 0
[  441.910208][T16149] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2712: Failed to acquire dquot type 0
[  442.030868][T16147] loop4: detected capacity change from 1024 to 64
[  442.057751][T16153] loop5: detected capacity change from 0 to 1024
[  442.060373][T16156] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2713: Failed to acquire dquot type 0
[  442.100617][T16155] loop0: detected capacity change from 0 to 1024
[  442.171389][T16153] loop5: detected capacity change from 1024 to 64
[  442.202906][T16162] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2715: Failed to acquire dquot type 0
[  442.241671][T16155] loop0: detected capacity change from 1024 to 64
[  442.295347][T16160] loop2: detected capacity change from 0 to 1024
[  442.301056][T16166] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2714: Failed to acquire dquot type 0
[  442.460459][T16171] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2717: Failed to acquire dquot type 0
[  442.554478][ T6209] udevd: attempt to access beyond end of device
[  442.554478][ T6209] loop2: rw=8388608, sector=514, nr_sectors = 2 limit=64
[  442.568728][T16175] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2718: Failed to acquire dquot type 0
[  442.584409][T16176] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2716: Failed to acquire dquot type 0
[  442.607963][ T6209] Buffer I/O error on dev loop2, logical block 257, async page read
[  442.654726][ T6209] udevd: attempt to access beyond end of device
[  442.654726][ T6209] loop2: rw=8388608, sector=516, nr_sectors = 2 limit=64
[  442.728064][ T6209] Buffer I/O error on dev loop2, logical block 258, async page read
[  442.747925][ T6209] udevd: attempt to access beyond end of device
[  442.747925][ T6209] loop2: rw=8388608, sector=518, nr_sectors = 2 limit=64
[  442.761610][ T6209] Buffer I/O error on dev loop2, logical block 259, async page read
[  442.842930][T16185] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2719: Failed to acquire dquot type 0
[  442.847078][T16184] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2720: Failed to acquire dquot type 0
[  442.975534][T16188] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2721: Failed to acquire dquot type 0
[  443.069454][T16183] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2723: Failed to acquire dquot type 0
[  443.397770][T16205] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2722: Failed to acquire dquot type 0
[  443.397785][T16206] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2727: Failed to acquire dquot type 0
[  443.467162][T16210] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2726: Failed to acquire dquot type 0
[  443.473968][T16208] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2725: Failed to acquire dquot type 0
[  443.494188][T16211] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2728: Failed to acquire dquot type 0
[  443.668570][T16209] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2729: Failed to acquire dquot type 0
2026/02/07 16:17:25 executed programs: 2730
[  443.861899][T16221] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2730: Failed to acquire dquot type 0
[  444.138354][T16220] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2732: Failed to acquire dquot type 0
[  444.184358][T16236] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2733: Failed to acquire dquot type 0
[  444.355679][T16242] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2737: Failed to acquire dquot type 0
[  444.496238][T16248] __quota_error: 76 callbacks suppressed
[  444.496259][T16248] Quota error (device loop1): find_tree_dqentry: Can't read quota tree block 1
[  444.521847][T16240] EXT4-fs mount: 459 callbacks suppressed
[  444.521869][T16240] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  444.551461][T16250] Quota error (device loop6): find_tree_dqentry: Can't read quota tree block 1
[  444.560717][T16250] Quota error (device loop6): qtree_read_dquot: Can't read quota structure for id 0
[  444.570813][T16250] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2739: Failed to acquire dquot type 0
[  444.585429][T16248] Quota error (device loop1): qtree_read_dquot: Can't read quota structure for id 0
[  444.595322][T16248] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2736: Failed to acquire dquot type 0
[  444.638347][T16240] Quota error (device loop5): find_tree_dqentry: Can't read quota tree block 1
[  444.649435][T16240] Quota error (device loop5): qtree_read_dquot: Can't read quota structure for id 0
[  444.692681][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  444.693381][T16246] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  444.712840][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  444.721510][T16240] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2738: Failed to acquire dquot type 0
[  444.741838][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  444.778703][T16251] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  444.828147][T16254] Quota error (device loop0): write_blk: dquota write failed
[  444.833101][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  444.870059][T16254] Quota error (device loop0): qtree_write_dquot: Error -12 occurred while creating quota
[  444.917609][T16254] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2740: Failed to acquire dquot type 0
[  444.953171][T16256] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  444.987081][T16259] Quota error (device loop4): write_blk: dquota write failed
[  444.994861][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  445.020259][T16259] Quota error (device loop4): qtree_write_dquot: Error -12 occurred while creating quota
[  445.044152][T16263] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2742: Failed to acquire dquot type 0
[  445.080873][T16259] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2741: Failed to acquire dquot type 0
[  445.118091][T16261] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  445.158424][T16266] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  445.210644][T16262] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  445.247276][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  445.264398][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  445.316071][T16273] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2745: Failed to acquire dquot type 0
[  445.333167][T16274] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2744: Failed to acquire dquot type 0
[  445.346938][T16272] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2743: Failed to acquire dquot type 0
[  445.464841][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  445.476354][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  445.522338][T16277] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  445.544330][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  445.587206][T16278] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  445.697518][T16280] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  445.764099][T16278] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2747: Failed to acquire dquot type 0
[  445.800105][T16290] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2749: Failed to acquire dquot type 0
[  445.846812][T16292] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2748: Failed to acquire dquot type 0
[  445.872253][T16285] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  445.934122][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  445.936586][T16288] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  445.957434][T16295] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2750: Failed to acquire dquot type 0
[  446.002212][T16289] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  446.026173][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  446.049508][T16296] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2752: Failed to acquire dquot type 0
[  446.091979][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  446.132092][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  446.141042][T16297] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2751: Failed to acquire dquot type 0
[  446.283136][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  446.312968][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  446.403887][T16303] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  446.445463][T16302] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  446.486302][T16305] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  446.492742][T16311] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2753: Failed to acquire dquot type 0
[  446.535527][T16304] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  446.632924][T16316] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2756: Failed to acquire dquot type 0
[  446.647023][T16315] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2754: Failed to acquire dquot type 0
[  446.673576][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  446.699835][T16313] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  446.762573][T16314] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  446.775730][T16319] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2755: Failed to acquire dquot type 0
[  446.794538][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  446.853213][T16320] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2758: Failed to acquire dquot type 0
[  446.873930][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  446.902425][T16314] set_capacity_and_notify: 76 callbacks suppressed
[  446.902448][T16314] loop2: detected capacity change from 1024 to 64
[  446.955317][T16321] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2757: Failed to acquire dquot type 0
[  446.994035][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  447.046722][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  447.057650][T16325] loop4: detected capacity change from 0 to 1024
[  447.083315][T16324] loop1: detected capacity change from 0 to 1024
[  447.160943][T16325] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  447.179739][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  447.228737][T16324] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  447.257684][T16329] loop5: detected capacity change from 0 to 1024
[  447.344402][T16325] loop4: detected capacity change from 1024 to 64
[  447.344902][T16334] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2760: Failed to acquire dquot type 0
[  447.374322][T16335] loop0: detected capacity change from 0 to 1024
[  447.394178][T16329] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  447.400848][T16324] loop1: detected capacity change from 1024 to 64
[  447.431436][T16338] loop2: detected capacity change from 0 to 1024
[  447.434447][T16336] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2759: Failed to acquire dquot type 0
[  447.473626][T16335] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  447.489536][T16332] loop6: detected capacity change from 0 to 1024
[  447.532132][T16329] loop5: detected capacity change from 1024 to 64
[  447.537581][T16338] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  447.562285][T16342] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2761: Failed to acquire dquot type 0
[  447.588072][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  447.601999][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  447.621864][T16332] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  447.687590][T16343] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2762: Failed to acquire dquot type 0
[  447.751740][T16344] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2764: Failed to acquire dquot type 0
[  447.774357][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  447.784185][T16345] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2763: Failed to acquire dquot type 0
[  447.940911][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  447.951946][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  447.986764][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  448.013078][T16348] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  448.103126][T16351] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  448.166673][T16349] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  448.197154][T16356] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2766: Failed to acquire dquot type 0
[  448.266277][T16359] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2767: Failed to acquire dquot type 0
[  448.328112][T16363] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2765: Failed to acquire dquot type 0
[  448.355391][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  448.396240][T16361] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  448.440775][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  448.444805][T16357] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  448.457727][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  448.485417][T16362] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  448.609597][T16368] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2770: Failed to acquire dquot type 0
[  448.609658][T16369] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2769: Failed to acquire dquot type 0
[  448.683930][T16374] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2768: Failed to acquire dquot type 0
2026/02/07 16:17:30 executed programs: 2769
[  448.759839][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  448.771754][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  448.985908][T16379] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2771: Failed to acquire dquot type 0
[  449.051071][T16385] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2773: Failed to acquire dquot type 0
[  449.070233][T16387] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2772: Failed to acquire dquot type 0
[  449.296496][T16391] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2774: Failed to acquire dquot type 0
[  449.363104][T16396] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2775: Failed to acquire dquot type 0
[  449.609055][T16407] __quota_error: 66 callbacks suppressed
[  449.609077][T16407] Quota error (device loop0): find_tree_dqentry: Can't read quota tree block 1
[  449.628299][T16408] Quota error (device loop5): find_tree_dqentry: Can't read quota tree block 1
[  449.689811][T16408] Quota error (device loop5): qtree_read_dquot: Can't read quota structure for id 0
[  449.740733][T16407] Quota error (device loop0): qtree_read_dquot: Can't read quota structure for id 0
[  449.785333][T16408] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2780: Failed to acquire dquot type 0
[  449.802232][T16414] Quota error (device loop1): find_tree_dqentry: Can't read quota tree block 1
[  449.820498][T16407] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2778: Failed to acquire dquot type 0
[  449.856098][T16416] Quota error (device loop4): find_tree_dqentry: Can't read quota tree block 1
[  449.870406][T16414] Quota error (device loop1): qtree_read_dquot: Can't read quota structure for id 0
[  449.951320][T16412] Quota error (device loop6): find_tree_dqentry: Can't read quota tree block 1
[  449.969677][T16414] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2779: Failed to acquire dquot type 0
[  449.981708][T16416] Quota error (device loop4): qtree_read_dquot: Can't read quota structure for id 0
[  450.000474][T16416] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2782: Failed to acquire dquot type 0
[  450.013563][T16412] Quota error (device loop6): qtree_read_dquot: Can't read quota structure for id 0
[  450.013605][T16412] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2783: Failed to acquire dquot type 0
[  450.307198][T16413] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2781: Failed to acquire dquot type 0
[  450.566358][T16421] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2784: Failed to acquire dquot type 0
[  450.716450][T16433] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2790: Failed to acquire dquot type 0
[  450.740861][T16446] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2786: Failed to acquire dquot type 0
[  450.760156][ T6209] udevd: attempt to access beyond end of device
[  450.760156][ T6209] loop0: rw=8388608, sector=122, nr_sectors = 2 limit=64
[  450.800333][T16447] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2791: Failed to acquire dquot type 0
[  450.800511][T16448] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2789: Failed to acquire dquot type 0
[  450.857838][T16450] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2792: Failed to acquire dquot type 0
[  450.874774][ T6209] Buffer I/O error on dev loop0, logical block 61, async page read
[  450.895681][ T6209] udevd: attempt to access beyond end of device
[  450.895681][ T6209] loop0: rw=8388608, sector=124, nr_sectors = 2 limit=64
[  450.909753][ T6209] Buffer I/O error on dev loop0, logical block 62, async page read
[  450.948222][ T6209] udevd: attempt to access beyond end of device
[  450.948222][ T6209] loop0: rw=8388608, sector=126, nr_sectors = 2 limit=64
[  450.968960][ T6209] Buffer I/O error on dev loop0, logical block 63, async page read
[  451.077778][T16457] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2793: Failed to acquire dquot type 0
[  451.145147][T16463] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2794: Failed to acquire dquot type 0
[  451.238555][T16465] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2795: Failed to acquire dquot type 0
[  451.316931][T16462] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2798: Failed to acquire dquot type 0
[  451.332803][T16470] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2797: Failed to acquire dquot type 0
[  451.403800][T16471] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2796: Failed to acquire dquot type 0
[  451.507216][T16478] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2799: Failed to acquire dquot type 0
[  451.711861][T16485] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2801: Failed to acquire dquot type 0
[  451.733750][T16486] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2800: Failed to acquire dquot type 0
[  451.795749][T16489] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2802: Failed to acquire dquot type 0
[  451.945801][T16493] set_capacity_and_notify: 71 callbacks suppressed
[  451.945828][T16493] loop5: detected capacity change from 0 to 1024
[  451.997211][T16497] loop6: detected capacity change from 0 to 1024
[  452.078884][T16490] loop2: detected capacity change from 1024 to 64
[  452.098712][T16491] loop4: detected capacity change from 1024 to 64
[  452.115489][T16500] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2804: Failed to acquire dquot type 0
[  452.195327][T16503] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2803: Failed to acquire dquot type 0
[  452.235617][T16502] loop0: detected capacity change from 0 to 1024
[  452.248135][T16497] loop6: detected capacity change from 1024 to 64
[  452.261326][T16505] loop1: detected capacity change from 0 to 1024
[  452.284418][T16506] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2808: Failed to acquire dquot type 0
[  452.308888][T16493] loop5: detected capacity change from 1024 to 64
[  452.354586][T16507] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2805: Failed to acquire dquot type 0
[  452.432817][T16505] loop1: detected capacity change from 1024 to 64
[  452.433610][T16502] loop0: detected capacity change from 1024 to 64
[  452.501302][T16512] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2806: Failed to acquire dquot type 0
[  452.523202][T16510] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2807: Failed to acquire dquot type 0
[  452.786292][T16525] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2809: Failed to acquire dquot type 0
[  452.809756][T16527] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2811: Failed to acquire dquot type 0
[  452.854020][T16528] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2810: Failed to acquire dquot type 0
[  452.918855][T16531] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2812: Failed to acquire dquot type 0
[  453.141708][T16530] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2814: Failed to acquire dquot type 0
[  453.255379][T16538] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2818: Failed to acquire dquot type 0
[  453.275920][T16545] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2817: Failed to acquire dquot type 0
[  453.278361][T16546] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2815: Failed to acquire dquot type 0
[  453.355600][T16547] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2816: Failed to acquire dquot type 0
[  453.645036][T16557] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2819: Failed to acquire dquot type 0
2026/02/07 16:17:35 executed programs: 2821
[  453.852509][T16567] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2822: Failed to acquire dquot type 0
[  453.884340][T16566] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2821: Failed to acquire dquot type 0
[  453.967111][T16570] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2823: Failed to acquire dquot type 0
[  454.022211][T16574] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2825: Failed to acquire dquot type 0
[  454.286644][T16581] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2824: Failed to acquire dquot type 0
[  454.289365][T16583] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2826: Failed to acquire dquot type 0
[  454.633424][T16587] __quota_error: 78 callbacks suppressed
[  454.633448][T16587] Quota error (device loop1): write_blk: dquota write failed
[  454.700771][T16587] Quota error (device loop1): qtree_write_dquot: Error -12 occurred while creating quota
[  454.763211][T16587] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2827: Failed to acquire dquot type 0
[  454.826269][T16589] Quota error (device loop5): find_tree_dqentry: Can't read quota tree block 1
[  454.836669][T16594] Quota error (device loop4): find_tree_dqentry: Can't read quota tree block 1
[  454.886292][T16594] Quota error (device loop4): qtree_read_dquot: Can't read quota structure for id 0
[  454.916267][T16589] Quota error (device loop5): qtree_read_dquot: Can't read quota structure for id 0
[  454.937878][T16594] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2833: Failed to acquire dquot type 0
[  455.010426][T16589] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2831: Failed to acquire dquot type 0
[  455.012603][ T6210] udevd: attempt to access beyond end of device
[  455.012603][ T6210] loop6: rw=8388608, sector=130, nr_sectors = 2 limit=64
[  455.041909][T16603] Quota error (device loop6): write_blk: dquota write failed
[  455.070431][T16604] Quota error (device loop2): write_blk: dquota write failed
[  455.071083][T16603] Quota error (device loop6): qtree_write_dquot: Error -12 occurred while creating quota
[  455.089114][T16604] Quota error (device loop2): qtree_write_dquot: Error -12 occurred while creating quota
[  455.102333][T16604] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2834: Failed to acquire dquot type 0
[  455.110497][ T6210] Buffer I/O error on dev loop6, logical block 65, async page read
[  455.154863][T16603] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2832: Failed to acquire dquot type 0
[  455.205532][ T6210] udevd: attempt to access beyond end of device
[  455.205532][ T6210] loop6: rw=8388608, sector=132, nr_sectors = 2 limit=64
[  455.260002][ T6210] Buffer I/O error on dev loop6, logical block 66, async page read
[  455.278323][ T6210] udevd: attempt to access beyond end of device
[  455.278323][ T6210] loop6: rw=8388608, sector=134, nr_sectors = 2 limit=64
[  455.310034][ T6210] Buffer I/O error on dev loop6, logical block 67, async page read
[  455.526012][T16611] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2835: Failed to acquire dquot type 0
[  455.707418][T16626] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2839: Failed to acquire dquot type 0
[  455.766520][T16627] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2838: Failed to acquire dquot type 0
[  455.853128][T16631] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2841: Failed to acquire dquot type 0
[  455.868824][T16630] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2840: Failed to acquire dquot type 0
[  455.947977][T16633] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2842: Failed to acquire dquot type 0
[  456.170262][T16635] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2843: Failed to acquire dquot type 0
[  456.531512][T16649] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2846: Failed to acquire dquot type 0
[  456.567806][T16653] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2845: Failed to acquire dquot type 0
[  456.666087][T16647] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2848: Failed to acquire dquot type 0
[  456.685408][T16650] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2850: Failed to acquire dquot type 0
[  456.697783][T16658] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2847: Failed to acquire dquot type 0
[  456.812570][T16661] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2849: Failed to acquire dquot type 0
[  456.986639][T16664] set_capacity_and_notify: 69 callbacks suppressed
[  456.986661][T16664] loop1: detected capacity change from 0 to 1024
[  457.044228][T16660] loop2: detected capacity change from 1024 to 64
[  457.088412][T16665] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2852: Failed to acquire dquot type 0
[  457.108601][T16670] loop4: detected capacity change from 0 to 1024
[  457.125092][T16669] loop6: detected capacity change from 0 to 1024
[  457.183260][T16664] loop1: detected capacity change from 1024 to 64
[  457.186911][T16674] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2853: Failed to acquire dquot type 0
[  457.255712][T16673] loop5: detected capacity change from 0 to 1024
[  457.272125][T16670] loop4: detected capacity change from 1024 to 64
[  457.300603][T16676] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2851: Failed to acquire dquot type 0
[  457.392264][T16669] loop6: detected capacity change from 1024 to 64
[  457.413784][T16678] loop0: detected capacity change from 0 to 1024
[  457.459204][T16680] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2854: Failed to acquire dquot type 0
[  457.484157][T16673] loop5: detected capacity change from 1024 to 64
[  457.522599][T16685] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2855: Failed to acquire dquot type 0
[  457.635375][T16678] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2856: Failed to acquire dquot type 0
[  457.677103][T16689] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2858: Failed to acquire dquot type 0
[  457.710881][T16691] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2857: Failed to acquire dquot type 0
[  457.794941][T16700] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2859: Failed to acquire dquot type 0
[  457.868537][T16701] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2860: Failed to acquire dquot type 0
[  457.899427][T16698] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2861: Failed to acquire dquot type 0
[  458.187324][T16714] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2862: Failed to acquire dquot type 0
[  458.248994][T16716] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2864: Failed to acquire dquot type 0
[  458.292597][ T5859] udevd: attempt to access beyond end of device
[  458.292597][ T5859] loop2: rw=8388608, sector=122, nr_sectors = 2 limit=64
[  458.296004][T16720] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2863: Failed to acquire dquot type 0
[  458.319096][ T5859] Buffer I/O error on dev loop2, logical block 61, async page read
[  458.319138][ T5859] udevd: attempt to access beyond end of device
[  458.319138][ T5859] loop2: rw=8388608, sector=124, nr_sectors = 2 limit=64
[  458.319183][ T5859] Buffer I/O error on dev loop2, logical block 62, async page read
[  458.319215][ T5859] udevd: attempt to access beyond end of device
[  458.319215][ T5859] loop2: rw=8388608, sector=126, nr_sectors = 2 limit=64
[  458.319252][ T5859] Buffer I/O error on dev loop2, logical block 63, async page read
[  458.420683][T16721] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2865: Failed to acquire dquot type 0
[  458.538929][T16726] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2866: Failed to acquire dquot type 0
[  458.739656][T16728] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2867: Failed to acquire dquot type 0
2026/02/07 16:17:40 executed programs: 2868
[  458.825111][T16724] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2868: Failed to acquire dquot type 0
[  459.015877][T16741] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2872: Failed to acquire dquot type 0
[  459.196375][T16749] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2873: Failed to acquire dquot type 0
[  459.208477][T16750] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2871: Failed to acquire dquot type 0
[  459.276356][T16755] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2874: Failed to acquire dquot type 0
[  459.335703][T16746] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2875: Failed to acquire dquot type 0
[  459.374803][T16757] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2876: Failed to acquire dquot type 0
[  459.720466][T16767] __quota_error: 74 callbacks suppressed
[  459.720492][T16767] Quota error (device loop5): write_blk: dquota write failed
[  459.778177][T16767] Quota error (device loop5): qtree_write_dquot: Error -12 occurred while creating quota
[  459.853353][T16767] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2877: Failed to acquire dquot type 0
[  459.912857][T16772] Quota error (device loop6): write_blk: dquota write failed
[  459.957988][T16776] Quota error (device loop2): write_blk: dquota write failed
[  459.976454][T16776] Quota error (device loop2): qtree_write_dquot: Error -12 occurred while creating quota
[  459.988852][T16778] Quota error (device loop4): find_tree_dqentry: Can't read quota tree block 1
[  460.023810][T16772] Quota error (device loop6): qtree_write_dquot: Error -12 occurred while creating quota
[  460.060624][T16776] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2879: Failed to acquire dquot type 0
[  460.078324][T16778] Quota error (device loop4): qtree_read_dquot: Can't read quota structure for id 0
[  460.101213][T16772] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2880: Failed to acquire dquot type 0
[  460.109040][T16778] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2881: Failed to acquire dquot type 0
[  460.250376][T16782] Quota error (device loop0): find_tree_dqentry: Can't read quota tree block 1
[  460.259686][T16782] Quota error (device loop0): qtree_read_dquot: Can't read quota structure for id 0
[  460.277403][T16782] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2882: Failed to acquire dquot type 0
[  460.387609][T16787] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2883: Failed to acquire dquot type 0
[  460.504928][T16784] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2884: Failed to acquire dquot type 0
[  460.533127][T16800] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2888: Failed to acquire dquot type 0
[  460.553445][T16801] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2885: Failed to acquire dquot type 0
[  460.567177][T16799] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2886: Failed to acquire dquot type 0
[  460.643904][T16802] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2887: Failed to acquire dquot type 0
[  460.734205][T16808] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2889: Failed to acquire dquot type 0
[  460.985980][T16819] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2890: Failed to acquire dquot type 0
[  461.162647][T16820] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2892: Failed to acquire dquot type 0
[  461.307115][T16818] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2893: Failed to acquire dquot type 0
[  461.315075][T16829] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2894: Failed to acquire dquot type 0
[  461.332305][T16831] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2895: Failed to acquire dquot type 0
[  461.351540][T16835] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2896: Failed to acquire dquot type 0
[  461.570139][T16840] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2898: Failed to acquire dquot type 0
[  461.700621][T16843] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2897: Failed to acquire dquot type 0
[  461.782533][T16849] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2899: Failed to acquire dquot type 0
[  461.996290][T16852] set_capacity_and_notify: 82 callbacks suppressed
[  461.996314][T16852] loop5: detected capacity change from 0 to 1024
[  462.012755][T16848] loop6: detected capacity change from 1024 to 64
[  462.038912][T16846] loop1: detected capacity change from 1024 to 64
[  462.071344][T16857] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2901: Failed to acquire dquot type 0
[  462.121808][T16856] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2900: Failed to acquire dquot type 0
[  462.241121][T16847] loop4: detected capacity change from 1024 to 64
[  462.246331][T16860] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2902: Failed to acquire dquot type 0
[  462.272748][T16852] loop5: detected capacity change from 1024 to 64
[  462.297473][T16861] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2903: Failed to acquire dquot type 0
[  462.322767][T16859] loop2: detected capacity change from 0 to 1024
[  462.383700][T16863] loop0: detected capacity change from 0 to 1024
[  462.450668][T16859] loop2: detected capacity change from 1024 to 64
[  462.525157][T16866] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2904: Failed to acquire dquot type 0
[  462.557980][T16868] loop6: detected capacity change from 0 to 1024
[  462.573300][T16863] loop0: detected capacity change from 1024 to 64
[  462.610603][T16869] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2905: Failed to acquire dquot type 0
[  462.833732][T16879] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2908: Failed to acquire dquot type 0
[  462.852315][T16880] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2906: Failed to acquire dquot type 0
[  462.871619][T16881] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2907: Failed to acquire dquot type 0
[  463.050559][T16884] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2911: Failed to acquire dquot type 0
[  463.088744][T16891] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2910: Failed to acquire dquot type 0
[  463.424113][T16904] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2914: Failed to acquire dquot type 0
[  463.542267][T16910] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2912: Failed to acquire dquot type 0
[  463.555585][T16912] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2917: Failed to acquire dquot type 0
[  463.569308][T16913] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2916: Failed to acquire dquot type 0
[  463.593883][T16914] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2915: Failed to acquire dquot type 0
[  463.725804][T16915] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2918: Failed to acquire dquot type 0
2026/02/07 16:17:45 executed programs: 2919
[  464.052038][T16929] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2919: Failed to acquire dquot type 0
[  464.186348][T16936] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2920: Failed to acquire dquot type 0
[  464.199417][T16935] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2921: Failed to acquire dquot type 0
[  464.231944][T16934] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2922: Failed to acquire dquot type 0
[  464.262397][T16937] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2923: Failed to acquire dquot type 0
[  464.460523][T16939] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2924: Failed to acquire dquot type 0
[  464.794061][T16955] __quota_error: 78 callbacks suppressed
[  464.794086][T16955] Quota error (device loop6): write_blk: dquota write failed
[  464.861865][T16956] Quota error (device loop1): write_blk: dquota write failed
[  464.908441][T16955] Quota error (device loop6): qtree_write_dquot: Error -12 occurred while creating quota
[  464.924265][T16956] Quota error (device loop1): qtree_write_dquot: Error -12 occurred while creating quota
[  464.957617][T16959] Quota error (device loop0): write_blk: dquota write failed
[  464.957769][T16960] Quota error (device loop2): write_blk: dquota write failed
[  464.989045][T16959] Quota error (device loop0): qtree_write_dquot: Error -12 occurred while creating quota
[  465.005753][T16956] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2929: Failed to acquire dquot type 0
[  465.023485][T16955] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2928: Failed to acquire dquot type 0
[  465.034774][T16960] Quota error (device loop2): qtree_write_dquot: Error -12 occurred while creating quota
[  465.034828][T16960] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2926: Failed to acquire dquot type 1
[  465.061008][T16959] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2927: Failed to acquire dquot type 0
[  465.142713][T16961] Quota error (device loop4): find_tree_dqentry: Can't read quota tree block 1
[  465.214746][T16961] Quota error (device loop4): qtree_read_dquot: Can't read quota structure for id 0
[  465.299089][T16961] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2930: Failed to acquire dquot type 0
[  465.536508][T16978] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2931: Failed to acquire dquot type 0
[  465.571695][T16979] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2935: Failed to acquire dquot type 0
[  465.654123][T16983] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2934: Failed to acquire dquot type 0
[  465.826915][T16980] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2936: Failed to acquire dquot type 0
[  466.014476][T16989] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2937: Failed to acquire dquot type 0
[  466.188318][T16988] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2940: Failed to acquire dquot type 0
[  466.219391][T16993] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2938: Failed to acquire dquot type 0
[  466.265616][T17002] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2939: Failed to acquire dquot type 0
[  466.324814][T16995] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2941: Failed to acquire dquot type 0
[  466.430116][ T5858] udevd: attempt to access beyond end of device
[  466.430116][ T5858] loop4: rw=8388608, sector=122, nr_sectors = 2 limit=64
[  466.461215][T17006] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2942: Failed to acquire dquot type 0
[  466.531325][ T5858] Buffer I/O error on dev loop4, logical block 61, async page read
[  466.553022][ T5858] udevd: attempt to access beyond end of device
[  466.553022][ T5858] loop4: rw=8388608, sector=124, nr_sectors = 2 limit=64
[  466.640028][ T5858] Buffer I/O error on dev loop4, logical block 62, async page read
[  466.670025][ T5858] udevd: attempt to access beyond end of device
[  466.670025][ T5858] loop4: rw=8388608, sector=126, nr_sectors = 2 limit=64
[  466.726082][ T5858] Buffer I/O error on dev loop4, logical block 63, async page read
[  466.735009][T17015] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2943: Failed to acquire dquot type 0
[  466.845251][T17021] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2945: Failed to acquire dquot type 0
[  466.886132][T17024] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2944: Failed to acquire dquot type 0
[  466.957843][T17020] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2947: Failed to acquire dquot type 0
[  466.978419][T17027] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2948: Failed to acquire dquot type 0
[  467.008122][T17029] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2946: Failed to acquire dquot type 0
[  467.023485][T17028] set_capacity_and_notify: 79 callbacks suppressed
[  467.023503][T17028] loop6: detected capacity change from 0 to 1024
[  467.141238][T17032] loop1: detected capacity change from 0 to 1024
[  467.170661][T17028] loop6: detected capacity change from 1024 to 64
[  467.266792][T17033] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2949: Failed to acquire dquot type 0
[  467.317625][T17040] loop5: detected capacity change from 0 to 1024
[  467.370384][T17036] loop0: detected capacity change from 0 to 1024
[  467.370751][T17032] loop1: detected capacity change from 1024 to 64
[  467.388272][T17038] loop4: detected capacity change from 0 to 1024
[  467.423378][T17042] loop2: detected capacity change from 0 to 1024
[  467.439070][T17043] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2950: Failed to acquire dquot type 0
[  467.542070][T17040] loop5: detected capacity change from 1024 to 64
[  467.548686][T17038] loop4: detected capacity change from 1024 to 64
[  467.583699][T17051] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2951: Failed to acquire dquot type 0
[  467.602153][T17048] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2953: Failed to acquire dquot type 0
[  467.630417][T17053] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2954: Failed to acquire dquot type 0
[  467.650421][T17052] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2952: Failed to acquire dquot type 0
[  467.785893][T17057] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2955: Failed to acquire dquot type 0
[  467.930037][T17066] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2956: Failed to acquire dquot type 0
[  468.204679][T17067] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2958: Failed to acquire dquot type 0
[  468.213440][T17078] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2960: Failed to acquire dquot type 0
[  468.232458][T17077] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2957: Failed to acquire dquot type 0
[  468.301068][T17079] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2959: Failed to acquire dquot type 0
[  468.407977][T17081] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2962: Failed to acquire dquot type 0
[  468.423649][T17082] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2961: Failed to acquire dquot type 0
[  468.848998][T17100] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2963: Failed to acquire dquot type 0
[  468.849064][T17088] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2966: Failed to acquire dquot type 0
2026/02/07 16:17:50 executed programs: 2964
[  468.903374][T17102] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2965: Failed to acquire dquot type 0
[  468.918792][T17097] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2968: Failed to acquire dquot type 0
[  468.944908][T17103] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2964: Failed to acquire dquot type 0
[  469.029804][T17106] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2967: Failed to acquire dquot type 0
[  469.211276][T17110] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2969: Failed to acquire dquot type 0
[  469.563195][T17133] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2975: Failed to acquire dquot type 0
[  469.582495][T17134] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2974: Failed to acquire dquot type 0
[  469.608908][T17129] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2971: Failed to acquire dquot type 0
[  469.641166][T17132] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2972: Failed to acquire dquot type 0
[  469.693233][T17135] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2977: Failed to acquire dquot type 0
[  469.720243][T17128] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2976: Failed to acquire dquot type 0
[  469.870188][T15775] EXT4-fs error (device loop5): ext4_validate_block_bitmap:441: comm ext4lazyinit: bg 0: block 163: padding at end of block bitmap is not set
[  470.109862][T17150] __quota_error: 86 callbacks suppressed
[  470.109879][T17150] Quota error (device loop6): find_tree_dqentry: Can't read quota tree block 1
[  470.136440][T17150] Quota error (device loop6): qtree_read_dquot: Can't read quota structure for id 0
[  470.177272][T17150] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2978: Failed to acquire dquot type 0
[  470.204800][T17153] syz.2.2979: attempt to access beyond end of device
[  470.204800][T17153] loop2: rw=8400896, sector=170, nr_sectors = 2 limit=64
[  470.274929][T17153] Quota error (device loop2): qtree_write_dquot: Error -5 occurred while creating quota
[  470.329414][T17153] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2979: Failed to acquire dquot type 0
[  470.358390][T17159] Quota error (device loop4): write_blk: dquota write failed
[  470.371561][T17156] Quota error (device loop0): write_blk: dquota write failed
[  470.392914][T17160] Quota error (device loop5): write_blk: dquota write failed
[  470.429053][T17159] Quota error (device loop4): qtree_write_dquot: Error -12 occurred while creating quota
[  470.430136][T17160] Quota error (device loop5): qtree_write_dquot: Error -12 occurred while creating quota
[  470.452176][T17159] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2980: Failed to acquire dquot type 0
[  470.470985][T17156] Quota error (device loop0): qtree_write_dquot: Error -12 occurred while creating quota
[  470.492661][T17160] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2983: Failed to acquire dquot type 0
[  470.505379][T17156] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2981: Failed to acquire dquot type 0
[  470.542312][T17164] Quota error (device loop1): write_blk: dquota write failed
[  470.634022][T17164] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2984: Failed to acquire dquot type 0
[  470.718072][T17168] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2985: Failed to acquire dquot type 0
[  470.973388][ T5858] udevd: attempt to access beyond end of device
[  470.973388][ T5858] loop2: rw=8388608, sector=514, nr_sectors = 2 limit=64
[  470.999116][ T5858] Buffer I/O error on dev loop2, logical block 257, async page read
[  471.002496][T17183] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2986: Failed to acquire dquot type 0
[  471.019002][ T5858] udevd: attempt to access beyond end of device
[  471.019002][ T5858] loop2: rw=8388608, sector=516, nr_sectors = 2 limit=64
[  471.035179][T17185] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2989: Failed to acquire dquot type 0
[  471.048015][ T5858] Buffer I/O error on dev loop2, logical block 258, async page read
[  471.056952][ T5858] udevd: attempt to access beyond end of device
[  471.056952][ T5858] loop2: rw=8388608, sector=518, nr_sectors = 2 limit=64
[  471.073219][ T5858] Buffer I/O error on dev loop2, logical block 259, async page read
[  471.076025][T17186] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2987: Failed to acquire dquot type 0
[  471.167098][T17189] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2990: Failed to acquire dquot type 0
[  471.222756][T17188] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2991: Failed to acquire dquot type 0
[  471.259121][T17192] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2988: Failed to acquire dquot type 0
[  471.391061][T17197] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2992: Failed to acquire dquot type 0
[  471.585182][T17200] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2993: Failed to acquire dquot type 0
[  471.754638][T17211] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.2994: Failed to acquire dquot type 0
[  471.844481][T17209] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.2996: Failed to acquire dquot type 0
[  471.882209][T17204] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.2998: Failed to acquire dquot type 0
[  471.884982][T17216] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.2995: Failed to acquire dquot type 0
[  471.898154][T17218] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.2997: Failed to acquire dquot type 0
[  472.101763][T17217] set_capacity_and_notify: 85 callbacks suppressed
[  472.101789][T17217] loop0: detected capacity change from 1024 to 64
[  472.116244][T17226] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.2999: Failed to acquire dquot type 0
[  472.152223][T17221] loop4: detected capacity change from 0 to 1024
[  472.188060][T17224] loop6: detected capacity change from 0 to 1024
[  472.280083][T17225] loop2: detected capacity change from 0 to 1024
[  472.342223][T17221] loop4: detected capacity change from 1024 to 64
[  472.346612][T17234] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3000: Failed to acquire dquot type 0
[  472.365935][T17224] loop6: detected capacity change from 1024 to 64
[  472.373131][T17232] loop1: detected capacity change from 0 to 1024
[  472.383180][T17231] loop5: detected capacity change from 0 to 1024
[  472.406375][T17235] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3002: Failed to acquire dquot type 0
[  472.479177][T17239] loop0: detected capacity change from 0 to 1024
[  472.489366][T17225] loop2: detected capacity change from 1024 to 64
[  472.508899][T17241] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3004: Failed to acquire dquot type 0
[  472.526249][T17240] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3001: Failed to acquire dquot type 0
[  472.575299][T17243] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3003: Failed to acquire dquot type 0
[  472.680931][T17245] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3005: Failed to acquire dquot type 0
[  472.944506][T17257] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3006: Failed to acquire dquot type 0
[  473.066764][T17264] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3007: Failed to acquire dquot type 0
[  473.078483][T17263] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3008: Failed to acquire dquot type 0
[  473.108403][T17265] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3009: Failed to acquire dquot type 0
[  473.127090][T17266] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3010: Failed to acquire dquot type 0
[  473.384947][T17275] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3011: Failed to acquire dquot type 0
[  473.435542][T17279] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3012: Failed to acquire dquot type 0
[  473.603118][ T6210] udevd: attempt to access beyond end of device
[  473.603118][ T6210] loop6: rw=8388608, sector=66, nr_sectors = 2 limit=64
[  473.631645][T17285] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3014: Failed to acquire dquot type 0
[  473.663155][T17287] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3015: Failed to acquire dquot type 0
[  473.683746][ T6210] Buffer I/O error on dev loop6, logical block 33, async page read
[  473.726228][T17286] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3013: Failed to acquire dquot type 0
[  473.755071][T17290] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3016: Failed to acquire dquot type 0
[  473.758484][ T6210] udevd: attempt to access beyond end of device
[  473.758484][ T6210] loop6: rw=8388608, sector=68, nr_sectors = 2 limit=64
[  473.823623][ T6210] Buffer I/O error on dev loop6, logical block 34, async page read
[  473.860725][T17293] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3017: Failed to acquire dquot type 0
2026/02/07 16:17:55 executed programs: 3017
[  473.916788][ T6210] udevd: attempt to access beyond end of device
[  473.916788][ T6210] loop6: rw=8388608, sector=70, nr_sectors = 2 limit=64
[  474.079406][ T6210] Buffer I/O error on dev loop6, logical block 35, async page read
[  474.168047][T17299] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3018: Failed to acquire dquot type 0
[  474.304198][T17310] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3021: Failed to acquire dquot type 0
[  474.332424][T17312] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3020: Failed to acquire dquot type 0
[  474.425812][T17314] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3019: Failed to acquire dquot type 0
[  474.465819][T17315] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3022: Failed to acquire dquot type 0
[  474.538877][T17318] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3023: Failed to acquire dquot type 0
[  474.656999][T17317] EXT4-fs mount: 458 callbacks suppressed
[  474.657029][T17317] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  474.701262][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  474.713535][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  474.719368][T17324] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  474.732091][T17321] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  474.781253][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  474.812003][T17330] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3025: Failed to acquire dquot type 0
[  474.835736][T17326] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3024: Failed to acquire dquot type 0
[  474.849405][T17329] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3026: Failed to acquire dquot type 0
[  475.006990][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  475.018044][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  475.029743][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  475.153914][T17336] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  475.181920][T17332] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  475.228637][T17335] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  475.277223][T17340] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  475.344686][T17347] __quota_error: 85 callbacks suppressed
[  475.344708][T17347] Quota error (device loop0): write_blk: dquota write failed
[  475.365854][T17349] Quota error (device loop2): find_tree_dqentry: Can't read quota tree block 1
[  475.384641][T17348] Quota error (device loop6): write_blk: dquota write failed
[  475.394877][T17347] Quota error (device loop0): qtree_write_dquot: Error -12 occurred while creating quota
[  475.406937][T17349] Quota error (device loop2): qtree_read_dquot: Can't read quota structure for id 0
[  475.407585][T17346] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  475.441834][T17348] Quota error (device loop6): qtree_write_dquot: Error -12 occurred while creating quota
[  475.451332][T17347] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3029: Failed to acquire dquot type 0
[  475.470290][T17349] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3030: Failed to acquire dquot type 0
[  475.503018][T17353] Quota error (device loop4): find_tree_dqentry: Can't read quota tree block 1
[  475.503025][T17348] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3027: Failed to acquire dquot type 0
[  475.545874][T17350] Quota error (device loop5): write_blk: dquota write failed
[  475.560252][T17353] Quota error (device loop4): qtree_read_dquot: Can't read quota structure for id 0
[  475.571231][T17343] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  475.580085][T17353] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3031: Failed to acquire dquot type 0
[  475.611841][T17350] Quota error (device loop5): qtree_write_dquot: Error -12 occurred while creating quota
[  475.636295][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  475.673679][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  475.680422][T17350] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3033: Failed to acquire dquot type 0
[  475.729635][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  475.753584][T17354] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3032: Failed to acquire dquot type 0
[  475.838814][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  475.865183][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  475.884572][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  475.993381][T17356] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  476.073110][T17364] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  476.073249][T17360] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  476.136260][T17369] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3035: Failed to acquire dquot type 0
[  476.136300][T17358] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  476.163232][T17372] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3038: Failed to acquire dquot type 0
[  476.188533][T17371] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  476.259029][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  476.275573][T17368] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  476.301339][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  476.321028][T17377] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3039: Failed to acquire dquot type 0
[  476.337256][T17375] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3036: Failed to acquire dquot type 0
[  476.370352][T17376] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3034: Failed to acquire dquot type 0
[  476.486120][T17378] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3037: Failed to acquire dquot type 1
[  476.503791][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  476.567589][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  476.601483][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  476.639458][T17380] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  476.708422][T17382] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  476.725449][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  476.881736][T17388] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3041: Failed to acquire dquot type 1
[  476.900657][T17387] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3040: Failed to acquire dquot type 0
[  476.990766][T17390] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  477.044851][T17392] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  477.071583][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  477.079175][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  477.098683][T17395] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  477.162511][T17390] set_capacity_and_notify: 77 callbacks suppressed
[  477.162536][T17390] loop6: detected capacity change from 1024 to 64
[  477.191596][T17398] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  477.260740][T17395] loop4: detected capacity change from 1024 to 64
[  477.271081][T17401] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3042: Failed to acquire dquot type 0
[  477.291828][T17392] loop1: detected capacity change from 1024 to 64
[  477.330794][T17403] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3044: Failed to acquire dquot type 0
[  477.356118][T17405] loop5: detected capacity change from 0 to 1024
[  477.356946][T17398] loop0: detected capacity change from 1024 to 64
[  477.363073][T17408] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3046: Failed to acquire dquot type 0
[  477.396742][T17407] loop2: detected capacity change from 0 to 1024
[  477.417224][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  477.455073][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  477.502841][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  477.677019][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  477.692358][T17407] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  477.710321][T17405] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  477.726805][T17414] loop1: detected capacity change from 0 to 1024
[  477.776358][T17405] loop5: detected capacity change from 1024 to 64
[  477.790458][T17407] loop2: detected capacity change from 1024 to 64
[  477.805718][T17420] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3048: Failed to acquire dquot type 0
[  477.819476][T17422] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3047: Failed to acquire dquot type 0
[  477.844603][T17416] loop6: detected capacity change from 0 to 1024
[  477.891513][T17414] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  477.933161][T17416] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  478.015885][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  478.050939][T17425] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3051: Failed to acquire dquot type 0
[  478.098466][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  478.142888][T17416] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3050: Failed to acquire dquot type 0
[  478.203944][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  478.215303][T17427] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  478.302515][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  478.314618][T17430] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  478.331594][T17434] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  478.360472][T17439] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3053: Failed to acquire dquot type 0
[  478.444014][T17446] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3056: Failed to acquire dquot type 0
[  478.445159][T17447] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3054: Failed to acquire dquot type 0
[  478.491311][T17438] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  478.507874][T17441] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  478.510210][T15775] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm ext4lazyinit: bg 0: block 163: padding at end of block bitmap is not set
[  478.582286][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  478.604347][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  478.617495][T17445] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  478.673103][T17438] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3057: Failed to acquire dquot type 0
[  478.687718][T17449] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3059: Failed to acquire dquot type 0
[  478.822728][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  478.834157][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  478.863229][T17451] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3058: Failed to acquire dquot type 0
[  478.883824][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
2026/02/07 16:18:00 executed programs: 3060
[  479.043926][T17459] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3061: Failed to acquire dquot type 0
[  479.110291][T17466] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3060: Failed to acquire dquot type 0
[  479.287644][T17471] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3064: Failed to acquire dquot type 0
[  479.428808][T17477] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3065: Failed to acquire dquot type 0
[  479.540171][T17479] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3069: Failed to acquire dquot type 0
[  479.742790][T17489] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3066: Failed to acquire dquot type 0
[  479.791049][T17495] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3071: Failed to acquire dquot type 0
[  479.870818][T17496] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3070: Failed to acquire dquot type 0
[  479.955272][T17498] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3068: Failed to acquire dquot type 0
[  479.998910][T17497] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3072: Failed to acquire dquot type 0
[  480.206147][T17506] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3073: Failed to acquire dquot type 0
[  480.448535][T17518] __quota_error: 66 callbacks suppressed
[  480.448558][T17518] Quota error (device loop0): find_tree_dqentry: Can't read quota tree block 1
[  480.467403][T17513] Quota error (device loop2): write_blk: dquota write failed
[  480.547020][T17513] Quota error (device loop2): qtree_write_dquot: Error -12 occurred while creating quota
[  480.584071][T17518] Quota error (device loop0): qtree_read_dquot: Can't read quota structure for id 0
[  480.626236][T17513] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3075: Failed to acquire dquot type 0
[  480.640066][T17518] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3074: Failed to acquire dquot type 0
[  480.658351][T17519] Quota error (device loop5): write_blk: dquota write failed
[  480.706620][T17519] Quota error (device loop5): qtree_write_dquot: Error -12 occurred while creating quota
[  480.730443][T17519] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3076: Failed to acquire dquot type 0
[  480.791722][T17524] Quota error (device loop6): write_blk: dquota write failed
[  480.813321][T17524] Quota error (device loop6): qtree_write_dquot: Error -12 occurred while creating quota
[  480.860305][T17524] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3078: Failed to acquire dquot type 0
[  480.976822][T17530] Quota error (device loop1): find_tree_dqentry: Can't read quota tree block 1
[  481.020064][T17530] Quota error (device loop1): qtree_read_dquot: Can't read quota structure for id 0
[  481.090180][T17530] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3079: Failed to acquire dquot type 0
[  481.188465][T17538] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3081: Failed to acquire dquot type 0
[  481.322040][T17540] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3080: Failed to acquire dquot type 0
[  481.351897][T17543] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3082: Failed to acquire dquot type 0
[  481.413523][T17544] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3083: Failed to acquire dquot type 0
[  481.658808][T17550] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3084: Failed to acquire dquot type 0
[  481.695488][T17554] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3085: Failed to acquire dquot type 0
[  481.839092][T17561] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3087: Failed to acquire dquot type 0
[  482.113062][T17572] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3089: Failed to acquire dquot type 0
[  482.169106][T17577] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3090: Failed to acquire dquot type 0
[  482.197820][T17579] set_capacity_and_notify: 71 callbacks suppressed
[  482.197844][T17579] loop4: detected capacity change from 0 to 1024
[  482.206078][T17574] loop2: detected capacity change from 0 to 1024
[  482.218493][T17576] loop5: detected capacity change from 0 to 1024
[  482.225362][T17569] loop1: detected capacity change from 1024 to 64
[  482.243284][T17580] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3091: Failed to acquire dquot type 0
[  482.362642][T17576] loop5: detected capacity change from 1024 to 64
[  482.363020][T17579] loop4: detected capacity change from 1024 to 64
[  482.375837][T17574] loop2: detected capacity change from 1024 to 64
[  482.388225][T17586] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3094: Failed to acquire dquot type 0
[  482.424942][T17585] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3093: Failed to acquire dquot type 0
[  482.437050][T17584] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3092: Failed to acquire dquot type 0
[  482.568464][T17588] loop6: detected capacity change from 0 to 1024
[  482.601837][T17590] loop0: detected capacity change from 0 to 1024
[  482.650240][T17592] loop1: detected capacity change from 0 to 1024
[  482.780323][T17603] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3097: Failed to acquire dquot type 0
[  482.859086][T17604] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3095: Failed to acquire dquot type 0
[  482.883899][T17605] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3100: Failed to acquire dquot type 0
[  482.951505][T17608] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3096: Failed to acquire dquot type 0
[  483.063183][T17600] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3099: Failed to acquire dquot type 0
[  483.082306][T17599] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3098: Failed to acquire dquot type 0
[  483.330474][T17619] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3101: Failed to acquire dquot type 0
[  483.454473][T17622] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3103: Failed to acquire dquot type 0
[  483.546843][T17627] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3102: Failed to acquire dquot type 0
[  483.762598][T17638] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3105: Failed to acquire dquot type 0
[  483.776460][T17637] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3106: Failed to acquire dquot type 1
[  483.802188][T17643] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3107: Failed to acquire dquot type 0
[  483.870378][T17642] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3109: Failed to acquire dquot type 0
[  483.890423][T17636] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3108: Failed to acquire dquot type 0
[  484.054894][T17646] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3110: Failed to acquire dquot type 0
2026/02/07 16:18:06 executed programs: 3111
[  484.459369][T17662] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3111: Failed to acquire dquot type 0
[  484.481718][T17661] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3115: Failed to acquire dquot type 0
[  484.776244][T10512] udevd: attempt to access beyond end of device
[  484.776244][T10512] loop4: rw=8388608, sector=122, nr_sectors = 2 limit=64
[  484.793433][T17673] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3118: Failed to acquire dquot type 0
[  484.838354][T17674] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3116: Failed to acquire dquot type 0
[  484.859448][T17675] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3119: Failed to acquire dquot type 0
[  484.880233][T10512] Buffer I/O error on dev loop4, logical block 61, async page read
[  484.881745][T17677] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3117: Failed to acquire dquot type 0
[  484.888202][T10512] udevd: attempt to access beyond end of device
[  484.888202][T10512] loop4: rw=8388608, sector=124, nr_sectors = 2 limit=64
[  484.888239][T10512] Buffer I/O error on dev loop4, logical block 62, async page read
[  484.888264][T10512] udevd: attempt to access beyond end of device
[  484.888264][T10512] loop4: rw=8388608, sector=126, nr_sectors = 2 limit=64
[  485.003288][T10512] Buffer I/O error on dev loop4, logical block 63, async page read
[  485.154300][T17684] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3121: Failed to acquire dquot type 0
[  485.170376][T17678] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3120: Failed to acquire dquot type 0
[  485.503025][T17698] __quota_error: 72 callbacks suppressed
[  485.503050][T17698] Quota error (device loop4): write_blk: dquota write failed
[  485.572700][T17698] Quota error (device loop4): qtree_write_dquot: Error -12 occurred while creating quota
[  485.573140][T17706] Quota error (device loop0): find_tree_dqentry: Can't read quota tree block 1
[  485.586163][T17698] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3122: Failed to acquire dquot type 0
[  485.628158][T17707] Quota error (device loop6): write_blk: dquota write failed
[  485.677587][T17707] Quota error (device loop6): qtree_write_dquot: Error -12 occurred while creating quota
[  485.720055][T15775] EXT4-fs error (device loop6): ext4_validate_block_bitmap:441: comm ext4lazyinit: bg 0: block 163: padding at end of block bitmap is not set
[  485.751471][T17706] Quota error (device loop0): qtree_read_dquot: Can't read quota structure for id 0
[  485.760670][T17707] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3126: Failed to acquire dquot type 0
[  485.788452][T17709] Quota error (device loop1): write_blk: dquota write failed
[  485.798984][T17709] Quota error (device loop1): qtree_write_dquot: Error -12 occurred while creating quota
[  485.809130][T17709] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3127: Failed to acquire dquot type 0
[  485.821543][T17706] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3124: Failed to acquire dquot type 0
[  485.827751][T17710] Quota error (device loop5): write_blk: dquota write failed
[  485.912534][T17710] Quota error (device loop5): qtree_write_dquot: Error -12 occurred while creating quota
[  485.960134][T17712] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3129: Failed to acquire dquot type 0
[  486.003649][T17710] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3128: Failed to acquire dquot type 0
[  486.224417][T17723] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3131: Failed to acquire dquot type 0
[  486.336917][T17728] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3130: Failed to acquire dquot type 0
[  486.374626][T17729] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3132: Failed to acquire dquot type 0
[  486.534245][T17734] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3135: Failed to acquire dquot type 0
[  486.636945][T17738] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3134: Failed to acquire dquot type 0
[  486.659799][T17740] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3133: Failed to acquire dquot type 0
[  486.828882][T17749] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3137: Failed to acquire dquot type 0
[  486.865532][T17753] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3136: Failed to acquire dquot type 0
[  486.902940][T17750] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3138: Failed to acquire dquot type 0
[  487.236098][T17754] set_capacity_and_notify: 77 callbacks suppressed
[  487.236121][T17754] loop2: detected capacity change from 1024 to 64
[  487.243428][T17759] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3141: Failed to acquire dquot type 0
[  487.249666][T17755] loop0: detected capacity change from 1024 to 64
[  487.300872][T17761] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3140: Failed to acquire dquot type 0
[  487.337424][T17762] loop6: detected capacity change from 0 to 1024
[  487.373547][T17767] loop1: detected capacity change from 0 to 1024
[  487.410376][T17768] loop5: detected capacity change from 0 to 1024
[  487.419054][T17764] loop4: detected capacity change from 0 to 1024
[  487.452129][   T52] Bluetooth: hci6: command 0x0406 tx timeout
[  487.562849][T17768] loop5: detected capacity change from 1024 to 64
[  487.575981][T17764] loop4: detected capacity change from 1024 to 64
[  487.640560][T17773] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3142: Failed to acquire dquot type 0
[  487.659374][T17774] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3145: Failed to acquire dquot type 0
[  487.714227][T17762] loop6: detected capacity change from 1024 to 64
[  487.726382][T17767] loop1: detected capacity change from 1024 to 64
[  487.729682][T17776] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3144: Failed to acquire dquot type 0
[  487.749874][T17777] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3143: Failed to acquire dquot type 0
[  487.926705][T17783] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3147: Failed to acquire dquot type 0
[  488.074404][T17790] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3146: Failed to acquire dquot type 0
[  488.211492][T17799] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3149: Failed to acquire dquot type 0
[  488.235731][T17800] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3150: Failed to acquire dquot type 0
[  488.274826][T17785] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3148: Failed to acquire dquot type 0
[  488.323110][T17804] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3151: Failed to acquire dquot type 0
[  488.384943][T17798] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3152: Failed to acquire dquot type 0
[  488.503379][T17806] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3153: Failed to acquire dquot type 0
[  488.825522][T17810] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3154: Failed to acquire dquot type 0
[  488.879106][T17818] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3156: Failed to acquire dquot type 0
[  488.998710][T17825] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3155: Failed to acquire dquot type 0
[  489.049120][T17826] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3157: Failed to acquire dquot type 0
[  489.164160][T10500] udevd: attempt to access beyond end of device
[  489.164160][T10500] loop0: rw=8388608, sector=66, nr_sectors = 2 limit=64
[  489.179504][T17829] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3158: Failed to acquire dquot type 0
[  489.179783][T17821] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3159: Failed to acquire dquot type 0
[  489.204673][T10500] Buffer I/O error on dev loop0, logical block 33, async page read
[  489.213413][T10500] udevd: attempt to access beyond end of device
[  489.213413][T10500] loop0: rw=8388608, sector=68, nr_sectors = 2 limit=64
2026/02/07 16:18:11 executed programs: 3159
[  489.295550][T10500] Buffer I/O error on dev loop0, logical block 34, async page read
[  489.427656][T10500] udevd: attempt to access beyond end of device
[  489.427656][T10500] loop0: rw=8388608, sector=70, nr_sectors = 2 limit=64
[  489.517477][T10500] Buffer I/O error on dev loop0, logical block 35, async page read
[  489.617009][T17846] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3160: Failed to acquire dquot type 0
[  489.710280][T17847] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3162: Failed to acquire dquot type 0
[  489.760596][T17849] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3163: Failed to acquire dquot type 0
[  489.857812][T17850] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3165: Failed to acquire dquot type 0
[  490.076675][T17863] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3167: Failed to acquire dquot type 0
[  490.103731][T17862] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3166: Failed to acquire dquot type 0
[  490.274349][T17870] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3169: Failed to acquire dquot type 0
[  490.381220][T17877] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3170: Failed to acquire dquot type 0
[  490.432111][T17881] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3171: Failed to acquire dquot type 0
[  490.593262][T17874] __quota_error: 78 callbacks suppressed
[  490.593287][T17874] Quota error (device loop6): find_tree_dqentry: Can't read quota tree block 1
[  490.629338][T17874] Quota error (device loop6): qtree_read_dquot: Can't read quota structure for id 0
[  490.658541][T17874] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3173: Failed to acquire dquot type 0
[  490.734760][T17893] Quota error (device loop1): write_blk: dquota write failed
[  490.748335][T17893] Quota error (device loop1): qtree_write_dquot: Error -12 occurred while creating quota
[  490.748462][T17887] Quota error (device loop0): write_blk: dquota write failed
[  490.776700][T17893] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3174: Failed to acquire dquot type 0
[  490.777973][T17892] Quota error (device loop4): write_blk: dquota write failed
[  490.800373][T17887] Quota error (device loop0): qtree_write_dquot: Error -12 occurred while creating quota
[  490.811041][T17887] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3172: Failed to acquire dquot type 0
[  490.844926][T17892] Quota error (device loop4): qtree_write_dquot: Error -12 occurred while creating quota
[  490.904404][T17892] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3175: Failed to acquire dquot type 0
[  491.027149][T17900] Quota error (device loop2): write_blk: dquota write failed
[  491.067005][T17900] Quota error (device loop2): qtree_write_dquot: Error -12 occurred while creating quota
[  491.087720][T17900] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3177: Failed to acquire dquot type 0
[  491.265365][T17908] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3179: Failed to acquire dquot type 0
[  491.366460][T17917] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3182: Failed to acquire dquot type 0
[  491.487260][T17922] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3183: Failed to acquire dquot type 0
[  491.530829][T17924] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3185: Failed to acquire dquot type 0
[  491.593539][T17920] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3184: Failed to acquire dquot type 0
[  491.595313][T17916] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3186: Failed to acquire dquot type 0
[  491.909544][T17937] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3188: Failed to acquire dquot type 0
[  491.947283][T17941] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3187: Failed to acquire dquot type 0
[  491.976321][T17943] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3191: Failed to acquire dquot type 0
[  492.078297][T17946] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3189: Failed to acquire dquot type 0
[  492.125664][T17949] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3190: Failed to acquire dquot type 0
[  492.147984][T17952] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3192: Failed to acquire dquot type 0
[  492.264141][T17951] set_capacity_and_notify: 83 callbacks suppressed
[  492.264172][T17951] loop5: detected capacity change from 0 to 1024
[  492.364359][T17954] loop2: detected capacity change from 0 to 1024
[  492.451990][T17960] loop0: detected capacity change from 0 to 1024
[  492.478979][T17959] loop6: detected capacity change from 0 to 1024
[  492.501542][T17951] loop5: detected capacity change from 1024 to 64
[  492.516179][T17965] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3193: Failed to acquire dquot type 0
[  492.530480][T17964] loop1: detected capacity change from 0 to 1024
[  492.563785][T17954] loop2: detected capacity change from 1024 to 64
[  492.610597][T17960] loop0: detected capacity change from 1024 to 64
[  492.620696][T17959] loop6: detected capacity change from 1024 to 64
[  492.634382][T17970] loop4: detected capacity change from 0 to 1024
[  492.667129][T17973] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3195: Failed to acquire dquot type 0
[  492.672782][T17969] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3196: Failed to acquire dquot type 0
[  492.725201][T17975] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3197: Failed to acquire dquot type 0
[  492.851690][T17976] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3200: Failed to acquire dquot type 0
[  493.264500][T17992] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3201: Failed to acquire dquot type 0
[  493.273440][T17990] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3202: Failed to acquire dquot type 0
[  493.303119][T17993] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3203: Failed to acquire dquot type 0
[  493.458480][T18002] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3204: Failed to acquire dquot type 0
[  493.595271][T18004] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3207: Failed to acquire dquot type 0
[  493.715562][T18009] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3208: Failed to acquire dquot type 0
[  493.923258][T18020] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3209: Failed to acquire dquot type 0
[  493.955121][T18022] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3212: Failed to acquire dquot type 0
[  493.987962][T18024] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3211: Failed to acquire dquot type 0
[  494.097009][T18019] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3213: Failed to acquire dquot type 0
[  494.306028][T18029] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3219: Failed to acquire dquot type 0
[  494.318721][T18038] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3215: Failed to acquire dquot type 0
2026/02/07 16:18:16 executed programs: 3216
[  494.531198][T18045] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3218: Failed to acquire dquot type 0
[  494.554559][T18044] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3216: Failed to acquire dquot type 0
[  494.583362][T18046] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3217: Failed to acquire dquot type 0
[  494.699749][T18054] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3220: Failed to acquire dquot type 0
[  494.807773][T18056] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3222: Failed to acquire dquot type 0
[  494.891193][T18059] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3221: Failed to acquire dquot type 0
[  495.140746][T18066] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3223: Failed to acquire dquot type 0
[  495.164794][T18069] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3224: Failed to acquire dquot type 0
[  495.196644][T18070] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3225: Failed to acquire dquot type 0
[  495.463015][T18077] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3226: Failed to acquire dquot type 0
[  495.488053][T18081] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3227: Failed to acquire dquot type 0
[  495.767629][T18090] __quota_error: 80 callbacks suppressed
[  495.767652][T18090] Quota error (device loop2): write_blk: dquota write failed
[  495.800851][T18090] Quota error (device loop2): qtree_write_dquot: Error -12 occurred while creating quota
[  495.811501][T18090] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3229: Failed to acquire dquot type 0
[  495.902188][T18098] Quota error (device loop5): write_blk: dquota write failed
[  495.915382][T18100] Quota error (device loop4): write_blk: dquota write failed
[  495.930653][T18101] Quota error (device loop1): find_tree_dqentry: Can't read quota tree block 1
[  495.977718][T18098] Quota error (device loop5): qtree_write_dquot: Error -12 occurred while creating quota
[  496.001731][T18100] Quota error (device loop4): qtree_write_dquot: Error -12 occurred while creating quota
[  496.008129][T18102] Quota error (device loop6): write_blk: dquota write failed
[  496.020898][T18101] Quota error (device loop1): qtree_read_dquot: Can't read quota structure for id 0
[  496.052319][T18103] Quota error (device loop0): write_blk: dquota write failed
[  496.059846][T18103] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3234: Failed to acquire dquot type 0
[  496.066560][T18098] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3231: Failed to acquire dquot type 0
[  496.085117][T18101] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3230: Failed to acquire dquot type 0
[  496.100350][T18100] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3232: Failed to acquire dquot type 0
[  496.120195][T18102] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3233: Failed to acquire dquot type 0
[  496.475252][T18121] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3235: Failed to acquire dquot type 0
[  496.477531][T10512] udevd: attempt to access beyond end of device
[  496.477531][T10512] loop2: rw=8388608, sector=122, nr_sectors = 2 limit=64
[  496.507265][T10512] Buffer I/O error on dev loop2, logical block 61, async page read
[  496.508154][T18123] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3240: Failed to acquire dquot type 0
[  496.517313][T10512] udevd: attempt to access beyond end of device
[  496.517313][T10512] loop2: rw=8388608, sector=124, nr_sectors = 2 limit=64
[  496.540850][T10512] Buffer I/O error on dev loop2, logical block 62, async page read
[  496.548824][T10512] udevd: attempt to access beyond end of device
[  496.548824][T10512] loop2: rw=8388608, sector=126, nr_sectors = 2 limit=64
[  496.563193][T10512] Buffer I/O error on dev loop2, logical block 63, async page read
[  496.622018][T18124] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3237: Failed to acquire dquot type 0
[  496.659626][T18128] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3239: Failed to acquire dquot type 0
[  496.676253][T18127] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3241: Failed to acquire dquot type 0
[  496.712498][T18129] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3238: Failed to acquire dquot type 0
[  496.856253][T18132] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3243: Failed to acquire dquot type 0
[  497.136814][T18143] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3242: Failed to acquire dquot type 0
[  497.152349][T18150] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3246: Failed to acquire dquot type 0
[  497.166631][T18147] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3244: Failed to acquire dquot type 0
[  497.279772][T18153] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3245: Failed to acquire dquot type 0
[  497.314782][T18140] set_capacity_and_notify: 84 callbacks suppressed
[  497.314808][T18140] loop4: detected capacity change from 1024 to 64
[  497.391345][T18156] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3247: Failed to acquire dquot type 0
[  497.496056][T18157] loop2: detected capacity change from 0 to 1024
[  497.541887][T18152] loop6: detected capacity change from 1024 to 64
[  497.595281][T18160] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3248: Failed to acquire dquot type 0
[  497.598990][T18161] loop0: detected capacity change from 0 to 1024
[  497.633708][T18162] loop1: detected capacity change from 0 to 1024
[  497.727835][T18166] loop5: detected capacity change from 0 to 1024
[  497.738314][T18157] loop2: detected capacity change from 1024 to 64
[  497.746454][T18168] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3249: Failed to acquire dquot type 0
[  497.893121][T18161] loop0: detected capacity change from 1024 to 64
[  497.895829][T18170] loop4: detected capacity change from 0 to 1024
[  497.957012][T18175] loop6: detected capacity change from 0 to 1024
[  497.959508][T18172] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3250: Failed to acquire dquot type 0
[  497.996465][T18174] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3251: Failed to acquire dquot type 0
[  498.000014][T18177] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3252: Failed to acquire dquot type 0
[  498.117753][T18181] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3253: Failed to acquire dquot type 0
[  498.205035][T18182] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3254: Failed to acquire dquot type 0
[  498.382093][T18187] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3255: Failed to acquire dquot type 0
[  498.679320][T18199] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3256: Failed to acquire dquot type 0
[  498.740987][T18200] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3257: Failed to acquire dquot type 0
[  498.770316][T18203] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3259: Failed to acquire dquot type 0
[  498.826114][T18205] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3258: Failed to acquire dquot type 0
[  498.876113][T18206] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3260: Failed to acquire dquot type 0
[  499.080960][T18211] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3261: Failed to acquire dquot type 0
[  499.322455][T18225] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3263: Failed to acquire dquot type 0
[  499.394729][T18227] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3266: Failed to acquire dquot type 0
[  499.400490][T18226] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3264: Failed to acquire dquot type 0
[  499.470487][T18229] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3265: Failed to acquire dquot type 0
[  499.509551][T18231] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3267: Failed to acquire dquot type 0
2026/02/07 16:18:21 executed programs: 3264
[  499.747336][T18244] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3268: Failed to acquire dquot type 0
[  499.821240][T18237] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3271: Failed to acquire dquot type 0
[  499.908109][T18248] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3270: Failed to acquire dquot type 0
[  499.911916][T18249] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3269: Failed to acquire dquot type 0
[  500.036743][T18257] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3272: Failed to acquire dquot type 0
[  500.103038][T18262] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3274: Failed to acquire dquot type 0
[  500.139410][T18259] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3273: Failed to acquire dquot type 0
[  500.271498][T18266] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3276: Failed to acquire dquot type 0
[  500.411855][T18270] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3275: Failed to acquire dquot type 0
[  500.429834][T18271] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3277: Failed to acquire dquot type 0
[  500.430638][ T5858] udevd: attempt to access beyond end of device
[  500.430638][ T5858] loop4: rw=8388608, sector=122, nr_sectors = 2 limit=64
[  500.660681][T18278] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3278: Failed to acquire dquot type 0
[  500.663301][ T5858] Buffer I/O error on dev loop4, logical block 61, async page read
[  500.727451][ T5858] udevd: attempt to access beyond end of device
[  500.727451][ T5858] loop4: rw=8388608, sector=124, nr_sectors = 2 limit=64
[  500.753386][ T1294] ieee802154 phy0 wpan0: encryption failed: -22
[  500.760451][ T1294] ieee802154 phy1 wpan1: encryption failed: -22
[  500.776810][ T5858] Buffer I/O error on dev loop4, logical block 62, async page read
[  500.785052][ T5858] udevd: attempt to access beyond end of device
[  500.785052][ T5858] loop4: rw=8388608, sector=126, nr_sectors = 2 limit=64
[  500.802885][ T5858] Buffer I/O error on dev loop4, logical block 63, async page read
[  500.831594][T18284] __quota_error: 86 callbacks suppressed
[  500.831617][T18284] Quota error (device loop6): find_tree_dqentry: Can't read quota tree block 1
[  500.870525][T18284] Quota error (device loop6): qtree_read_dquot: Can't read quota structure for id 0
[  500.891418][T18284] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3281: Failed to acquire dquot type 0
[  501.025013][T18291] Quota error (device loop5): write_blk: dquota write failed
[  501.109477][T18291] Quota error (device loop5): qtree_write_dquot: Error -12 occurred while creating quota
[  501.146452][T18294] Quota error (device loop4): write_blk: dquota write failed
[  501.177819][T18291] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3280: Failed to acquire dquot type 0
[  501.204575][T18294] Quota error (device loop4): qtree_write_dquot: Error -12 occurred while creating quota
[  501.217982][T18294] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3282: Failed to acquire dquot type 0
[  501.245899][T18299] Quota error (device loop1): write_blk: dquota write failed
[  501.254179][T18298] Quota error (device loop2): write_blk: dquota write failed
[  501.312976][T18299] Quota error (device loop1): qtree_write_dquot: Error -12 occurred while creating quota
[  501.337640][T18298] Quota error (device loop2): qtree_write_dquot: Error -12 occurred while creating quota
[  501.376997][T18298] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3284: Failed to acquire dquot type 0
[  501.378686][T18299] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3283: Failed to acquire dquot type 0
[  501.579315][T18304] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3285: Failed to acquire dquot type 0
[  501.853176][T18322] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3290: Failed to acquire dquot type 0
[  501.868266][T18324] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3288: Failed to acquire dquot type 0
[  501.913007][T18325] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3287: Failed to acquire dquot type 0
[  501.938441][T18327] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3292: Failed to acquire dquot type 0
[  501.954139][T18326] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3291: Failed to acquire dquot type 0
[  501.974749][T18328] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3289: Failed to acquire dquot type 0
[  502.326796][T18338] set_capacity_and_notify: 76 callbacks suppressed
[  502.326820][T18338] loop2: detected capacity change from 0 to 1024
[  502.420763][T18339] loop0: detected capacity change from 0 to 1024
[  502.440515][T18333] loop1: detected capacity change from 1024 to 64
[  502.451811][T18345] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3294: Failed to acquire dquot type 0
[  502.541555][T18336] loop5: detected capacity change from 1024 to 64
[  502.542047][T18349] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3295: Failed to acquire dquot type 0
[  502.587358][T18347] loop6: detected capacity change from 0 to 1024
[  502.597085][T18344] loop4: detected capacity change from 0 to 1024
[  502.615693][T18338] loop2: detected capacity change from 1024 to 64
[  502.698048][T18339] loop0: detected capacity change from 1024 to 64
[  502.716921][T18350] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3297: Failed to acquire dquot type 0
[  502.744002][T18347] loop6: detected capacity change from 1024 to 64
[  502.770145][T18344] loop4: detected capacity change from 1024 to 64
[  502.772245][T18357] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3299: Failed to acquire dquot type 0
[  502.802802][T18353] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3296: Failed to acquire dquot type 0
[  502.824328][T18354] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3298: Failed to acquire dquot type 0
[  503.158102][T18374] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3301: Failed to acquire dquot type 0
[  503.170801][T18375] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3302: Failed to acquire dquot type 0
[  503.272889][T18376] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3304: Failed to acquire dquot type 0
[  503.404329][T18382] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3303: Failed to acquire dquot type 0
[  503.544680][T18387] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3306: Failed to acquire dquot type 0
[  503.632124][T18390] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3307: Failed to acquire dquot type 0
[  503.740050][T15775] EXT4-fs error (device loop6): ext4_validate_block_bitmap:441: comm ext4lazyinit: bg 0: block 171: padding at end of block bitmap is not set
[  503.906398][T18397] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3308: Failed to acquire dquot type 0
[  503.925437][T18389] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3309: Failed to acquire dquot type 0
[  504.031960][T18403] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3311: Failed to acquire dquot type 0
[  504.255373][T18414] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3314: Failed to acquire dquot type 0
[  504.320017][T18418] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3312: Failed to acquire dquot type 0
[  504.331864][T18417] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3313: Failed to acquire dquot type 0
[  504.367052][T18419] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3317: Failed to acquire dquot type 0
[  504.529195][T18424] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3315: Failed to acquire dquot type 0
[  504.579093][T18422] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3318: Failed to acquire dquot type 0
2026/02/07 16:18:26 executed programs: 3318
[  504.724110][ T5970] EXT4-fs unmount: 457 callbacks suppressed
[  504.724135][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  504.755424][T18426] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  504.821841][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  504.868568][T18433] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  504.891433][T18438] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3319: Failed to acquire dquot type 0
[  504.896179][T18431] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  504.985500][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  505.053184][T18441] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3321: Failed to acquire dquot type 0
[  505.079699][T18437] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  505.106573][T18442] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3320: Failed to acquire dquot type 0
[  505.268049][T18451] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3325: Failed to acquire dquot type 0
[  505.283452][T18445] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  505.358275][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  505.360977][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  505.396456][T18448] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  505.426385][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  505.486253][T18450] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  505.486944][T18454] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3323: Failed to acquire dquot type 0
[  505.617317][T18458] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3326: Failed to acquire dquot type 0
[  505.702678][T18460] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3327: Failed to acquire dquot type 1
[  505.745939][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  505.757054][T18459] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  505.884972][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  505.965545][T18468] __quota_error: 70 callbacks suppressed
[  505.965569][T18468] Quota error (device loop1): write_blk: dquota write failed
[  505.986913][T18465] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  506.054544][T18468] Quota error (device loop1): qtree_write_dquot: Error -12 occurred while creating quota
[  506.074327][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  506.094697][T18468] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3328: Failed to acquire dquot type 0
[  506.116314][T18475] Quota error (device loop6): find_tree_dqentry: Can't read quota tree block 1
[  506.143864][T18475] Quota error (device loop6): qtree_read_dquot: Can't read quota structure for id 0
[  506.155642][T18475] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3329: Failed to acquire dquot type 0
[  506.167792][T18470] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  506.194140][T18472] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  506.241887][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  506.276185][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  506.307167][T18479] Quota error (device loop2): write_blk: dquota write failed
[  506.318851][T18477] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  506.344034][T18479] Quota error (device loop2): qtree_write_dquot: Error -12 occurred while creating quota
[  506.386298][T18479] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3332: Failed to acquire dquot type 0
[  506.444346][T18480] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  506.476663][T18483] Quota error (device loop4): write_blk: dquota write failed
[  506.485668][T18488] Quota error (device loop0): find_tree_dqentry: Can't read quota tree block 1
[  506.508958][T18483] Quota error (device loop4): qtree_write_dquot: Error -12 occurred while creating quota
[  506.520539][T18483] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3334: Failed to acquire dquot type 0
[  506.535025][T18488] Quota error (device loop0): qtree_read_dquot: Can't read quota structure for id 0
[  506.568647][T18488] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3333: Failed to acquire dquot type 0
[  506.578954][T18485] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  506.638028][T18489] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3335: Failed to acquire dquot type 0
[  506.725210][T18491] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3336: Failed to acquire dquot type 0
[  506.751369][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  506.753534][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  506.781930][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  506.845353][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  506.934510][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  506.985770][T18495] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  507.046319][T18494] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  507.110965][T18498] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  507.176104][T18509] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3340: Failed to acquire dquot type 0
[  507.183402][T18503] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  507.201892][T18502] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  507.221576][T18494] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3341: Failed to acquire dquot type 0
[  507.294861][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  507.307009][T18510] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3338: Failed to acquire dquot type 0
[  507.336287][T18512] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3342: Failed to acquire dquot type 0
[  507.389596][T18508] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  507.428981][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  507.473529][T18502] set_capacity_and_notify: 68 callbacks suppressed
[  507.473553][T18502] loop4: detected capacity change from 1024 to 64
[  507.491392][T18515] loop0: detected capacity change from 0 to 1024
[  507.531419][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  507.542570][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  507.572299][T18513] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3339: Failed to acquire dquot type 0
[  507.580866][T18515] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  507.680085][T18508] loop1: detected capacity change from 1024 to 64
[  507.720988][T18518] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3343: Failed to acquire dquot type 0
[  507.741287][T18515] loop0: detected capacity change from 1024 to 64
[  507.769784][T18519] loop6: detected capacity change from 0 to 1024
[  507.805424][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  507.824743][T18522] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3344: Failed to acquire dquot type 0
[  507.839037][T18521] loop5: detected capacity change from 0 to 1024
[  507.904223][T18519] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  507.973816][T18524] loop2: detected capacity change from 0 to 1024
[  507.998500][T18521] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  508.052247][T18519] loop6: detected capacity change from 1024 to 64
[  508.060473][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  508.075135][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  508.100603][T18528] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3345: Failed to acquire dquot type 0
[  508.107800][T18529] loop4: detected capacity change from 0 to 1024
[  508.123593][T18521] loop5: detected capacity change from 1024 to 64
[  508.129506][T18524] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  508.162257][T18531] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3347: Failed to acquire dquot type 0
[  508.358747][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  508.375784][T18529] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  508.376368][T18532] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3346: Failed to acquire dquot type 0
[  508.430180][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  508.565554][T18534] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  508.595942][T18537] EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  508.685093][ T5959] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  508.707206][T18540] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3348: Failed to acquire dquot type 0
[  508.724220][T18546] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3349: Failed to acquire dquot type 0
[  508.737206][T18547] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3350: Failed to acquire dquot type 0
[  508.759320][T18542] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  508.827060][T18544] EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  508.853046][T18542] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3352: Failed to acquire dquot type 0
[  508.955292][ T5957] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  508.969333][ T5953] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  508.980693][T18551] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3351: Failed to acquire dquot type 0
[  508.982421][ T5966] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  509.021674][ T5970] EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  509.117673][T18550] EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  509.275565][T13262] EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[  509.312605][T18561] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3353: Failed to acquire dquot type 0
[  509.358002][T18560] EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  509.448191][T18559] EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  509.476931][T18556] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[  509.535740][T18565] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3354: Failed to acquire dquot type 0
[  509.683025][T18571] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3355: Failed to acquire dquot type 0
[  509.695090][T18572] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3357: Failed to acquire dquot type 0
2026/02/07 16:18:31 executed programs: 3358
[  509.824380][T18577] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3359: Failed to acquire dquot type 0
[  509.963194][T18582] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3361: Failed to acquire dquot type 0
[  510.018600][T18585] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3360: Failed to acquire dquot type 0
[  510.290441][T18594] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3362: Failed to acquire dquot type 0
[  510.432645][T18598] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3364: Failed to acquire dquot type 0
[  510.440791][T18595] EXT4-fs error (device loop1): ext4_acquire_dquot:6986: comm syz.1.3365: Failed to acquire dquot type 0
[  510.445964][T18596] EXT4-fs error (device loop0): ext4_acquire_dquot:6986: comm syz.0.3363: Failed to acquire dquot type 0
[  510.617809][T18606] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3367: Failed to acquire dquot type 0
[  510.658219][ T6209] udevd: attempt to access beyond end of device
[  510.658219][ T6209] loop2: rw=8388608, sector=122, nr_sectors = 2 limit=64
[  510.694266][T18607] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3366: Failed to acquire dquot type 0
[  510.797883][ T6209] Buffer I/O error on dev loop2, logical block 61, async page read
[  510.836439][ T6209] udevd: attempt to access beyond end of device
[  510.836439][ T6209] loop2: rw=8388608, sector=124, nr_sectors = 2 limit=64
[  510.850688][ T6209] Buffer I/O error on dev loop2, logical block 62, async page read
[  510.858765][ T6209] udevd: attempt to access beyond end of device
[  510.858765][ T6209] loop2: rw=8388608, sector=126, nr_sectors = 2 limit=64
[  510.872689][ T6209] Buffer I/O error on dev loop2, logical block 63, async page read
[  510.922566][T18613] EXT4-fs error (device loop4): ext4_acquire_dquot:6986: comm syz.4.3368: Failed to acquire dquot type 0
[  510.971823][   T32] INFO: task syz.3.1794:12741 blocked for more than 143 seconds.
[  511.023714][   T32]       Not tainted syzkaller #0
[  511.060070][   T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  511.073495][   T32] task:syz.3.1794      state:D stack:23768 pid:12741 tgid:12736 ppid:5962   task_flags:0x400140 flags:0x00080002
[  511.093539][   T32] Call Trace:
[  511.096889][   T32]  <TASK>
[  511.099879][   T32]  __schedule+0x14ea/0x5050
[  511.105566][   T32]  ? __pfx___schedule+0x10/0x10
[  511.111231][   T32]  ? schedule+0x90/0x360
[  511.115506][   T32]  schedule+0x164/0x360
[  511.120393][   T32]  io_schedule+0x7f/0xd0
[  511.126530][   T32]  bit_wait_io+0x11/0xd0
[  511.131408][   T32]  __wait_on_bit_lock+0xec/0x4e0
[  511.139185][   T32]  ? __pfx_bit_wait_io+0x10/0x10
[  511.144658][   T32]  out_of_line_wait_on_bit_lock+0x13b/0x190
[  511.150921][   T32]  ? __pfx_bit_wait_io+0x10/0x10
[  511.155881][   T32]  ? __pfx_out_of_line_wait_on_bit_lock+0x10/0x10
[  511.162792][   T32]  ? __pfx_wake_bit_function+0x10/0x10
[  511.168489][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.174248][   T32]  ? block_read_full_folio+0x317/0x830
[  511.179924][   T32]  block_read_full_folio+0x38f/0x830
[  511.185282][   T32]  ? __pfx_blkdev_get_block+0x10/0x10
[  511.191027][   T32]  filemap_read_folio+0x137/0x3b0
[  511.196097][   T32]  ? __pfx_blkdev_read_folio+0x10/0x10
[  511.201635][   T32]  ? __pfx_filemap_read_folio+0x10/0x10
[  511.207196][   T32]  ? __filemap_get_folio_mpol+0x7a9/0xb00
[  511.213738][   T32]  do_read_cache_folio+0x358/0x590
[  511.218863][   T32]  ? __pfx_blkdev_read_folio+0x10/0x10
[  511.224420][   T32]  read_part_sector+0xb6/0x2b0
[  511.229201][   T32]  amiga_partition+0xe0/0x1dd0
[  511.234091][   T32]  ? __pfx_blkdev_read_folio+0x10/0x10
[  511.241491][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.247174][   T32]  ? read_part_sector+0x1ea/0x2b0
[  511.252372][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.258037][   T32]  ? sun_partition+0x2b4/0xe80
[  511.263113][   T32]  ? __pfx_amiga_partition+0x10/0x10
[  511.268420][   T32]  ? sgi_partition+0x7ba/0x980
[  511.273317][   T32]  ? __pfx_sun_partition+0x10/0x10
[  511.278461][   T32]  ? __pfx_msdos_partition+0x10/0x10
[  511.284089][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.289852][   T32]  bdev_disk_changed+0x765/0x14c0
[  511.295260][   T32]  ? __pfx_bdev_disk_changed+0x10/0x10
[  511.301121][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.306843][   T32]  ? vfs_getattr_nosec+0x374/0x430
[  511.312159][   T32]  loop_set_status+0x9ab/0xe40
[  511.316987][   T32]  ? __pfx_loop_set_status+0x10/0x10
[  511.322494][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.328159][   T32]  lo_ioctl+0xc21/0x1fb0
[  511.332558][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.338208][   T32]  ? stack_trace_save+0xa9/0x100
[  511.346001][   T32]  ? __pfx_lo_ioctl+0x10/0x10
[  511.352170][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.357869][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.364688][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  511.369651][   T32]  ? kasan_save_free_info+0x46/0x50
[  511.376781][   T32]  ? __kasan_slab_free+0x5c/0x80
[  511.381920][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.387664][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  511.393850][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.399594][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  511.404643][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.410451][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  511.415422][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.421176][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  511.426159][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.431881][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  511.437322][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.445563][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.451320][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.456978][   T32]  ? is_bpf_text_address+0x26/0x2b0
[  511.462462][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.468141][   T32]  ? is_bpf_text_address+0x292/0x2b0
[  511.473572][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.479223][   T32]  ? is_bpf_text_address+0x26/0x2b0
[  511.484551][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.490265][   T32]  ? kernel_text_address+0xa5/0xe0
[  511.495409][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.501264][   T32]  ? __kernel_text_address+0xd/0x30
[  511.506496][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.512248][   T32]  ? unwind_get_return_address+0x4d/0x90
[  511.517907][   T32]  ? __pfx_stack_trace_consume_entry+0x10/0x10
[  511.524221][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.529876][   T32]  ? arch_stack_walk+0xfb/0x150
[  511.542535][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.550939][   T32]  ? stack_trace_save+0xa9/0x100
[  511.555939][   T32]  ? __pfx_stack_trace_save+0x10/0x10
[  511.561444][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.567416][   T32]  ? stack_depot_save_flags+0x33/0x810
[  511.572995][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.578668][   T32]  ? kasan_save_track+0x4f/0x80
[  511.583632][   T32]  ? kasan_save_track+0x3e/0x80
[  511.588498][   T32]  ? kasan_save_free_info+0x46/0x50
[  511.593871][   T32]  ? __kasan_slab_free+0x5c/0x80
[  511.598840][   T32]  ? kfree+0x1be/0x650
[  511.603034][   T32]  ? tomoyo_path_number_perm+0x501/0x630
[  511.608690][   T32]  ? security_file_ioctl+0xc3/0x2a0
[  511.614285][   T32]  ? __se_sys_ioctl+0x47/0x170
[  511.619091][   T32]  ? do_syscall_64+0xe2/0xf80
[  511.623943][   T32]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  511.630151][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.635854][   T32]  ? __asan_memset+0x22/0x50
[  511.640801][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.646479][   T32]  ? blk_get_meta_cap+0x16d/0x7a0
[  511.653848][   T32]  ? __pfx_blk_get_meta_cap+0x10/0x10
[  511.659272][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.665380][   T32]  ? blkdev_common_ioctl+0x14b7/0x3250
[  511.671034][   T32]  ? __pfx_blkdev_common_ioctl+0x10/0x10
[  511.676700][   T32]  ? kasan_quarantine_put+0xbb/0x1f0
[  511.682389][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.688059][   T32]  ? tomoyo_path_number_perm+0x219/0x630
[  511.694931][   T32]  ? tomoyo_path_number_perm+0x219/0x630
[  511.700860][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.706555][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.712619][   T32]  ? do_vfs_ioctl+0x1166/0x1530
[  511.717508][   T32]  ? __pfx_do_vfs_ioctl+0x10/0x10
[  511.722797][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.728460][   T32]  ? do_futex+0x395/0x420
[  511.732880][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.738551][   T32]  ? __pfx_lo_ioctl+0x10/0x10
[  511.743322][   T32]  blkdev_ioctl+0x5e3/0x740
[  511.747853][   T32]  ? __pfx_blkdev_ioctl+0x10/0x10
[  511.755017][   T32]  ? __fget_files+0x2a/0x420
[  511.759661][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.765380][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.771431][   T32]  ? __pfx_blkdev_ioctl+0x10/0x10
[  511.776505][   T32]  __se_sys_ioctl+0xfc/0x170
[  511.781614][   T32]  do_syscall_64+0xe2/0xf80
[  511.786332][   T32]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  511.792835][   T32]  ? trace_irq_disable+0x37/0x100
[  511.797908][   T32]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  511.804138][   T32] RIP: 0033:0x7f0918d9aeb9
[  511.808579][   T32] RSP: 002b:00007f0919c77028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  511.817240][   T32] RAX: ffffffffffffffda RBX: 00007f0919015fa0 RCX: 00007f0918d9aeb9
[  511.825301][   T32] RDX: 00002000000003c0 RSI: 0000000000004c04 RDI: 0000000000000005
[  511.833669][   T32] RBP: 00007f0918e08c1f R08: 0000000000000000 R09: 0000000000000000
[  511.841745][   T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  511.849741][   T32] R13: 00007f0919016038 R14: 00007f0919015fa0 R15: 00007ffe22744b08
[  511.860134][   T32]  </TASK>
[  511.864095][   T32] INFO: task syz.3.1794:12749 blocked for more than 144 seconds.
[  511.872717][   T32]       Not tainted syzkaller #0
[  511.877648][   T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  511.886580][   T32] task:syz.3.1794      state:D stack:22936 pid:12749 tgid:12736 ppid:5962   task_flags:0x440140 flags:0x00080002
[  511.898784][   T32] Call Trace:
[  511.902144][   T32]  <TASK>
[  511.905095][   T32]  __schedule+0x14ea/0x5050
[  511.909605][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.915346][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  511.920422][   T32]  ? __pfx___schedule+0x10/0x10
[  511.925310][   T32]  ? schedule+0x90/0x360
[  511.929574][   T32]  schedule+0x164/0x360
[  511.933986][   T32]  io_schedule+0x7f/0xd0
[  511.938470][   T32]  folio_wait_bit_common+0x6d8/0xbc0
[  511.944019][   T32]  ? __pfx_folio_wait_bit_common+0x10/0x10
[  511.949847][   T32]  ? __pfx_wake_page_function+0x10/0x10
[  511.957442][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.963184][   T32]  find_get_block_common+0x23c/0xe60
[  511.968520][   T32]  bdev_getblk+0x53/0x6e0
[  511.972973][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.978634][   T32]  __ext4_get_inode_loc+0x7d8/0xfa0
[  511.983938][   T32]  ? __pfx___ext4_get_inode_loc+0x10/0x10
[  511.989686][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  511.995598][   T32]  ? ext4_ext_try_to_merge_right+0x790/0x850
[  512.001757][   T32]  ext4_reserve_inode_write+0x18b/0x360
[  512.007316][   T32]  __ext4_mark_inode_dirty+0x14b/0x6e0
[  512.013184][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.018858][   T32]  ext4_ext_insert_extent+0x2062/0x4b50
[  512.024496][   T32]  ? __pfx_ext4_es_cache_extent+0x10/0x10
[  512.030305][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.035935][   T32]  ? rcu_is_watching+0x15/0xb0
[  512.040823][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.046585][   T32]  ? trace_ext4_get_implied_cluster_alloc_exit+0x83/0x1e0
[  512.053916][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.061458][   T32]  ? __pfx_ext4_ext_insert_extent+0x10/0x10
[  512.067425][   T32]  ext4_ext_map_blocks+0x19d1/0x6b80
[  512.073098][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.078771][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  512.083865][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.089521][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  512.094732][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.100608][   T32]  ? __pfx_ext4_ext_map_blocks+0x10/0x10
[  512.106297][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.112130][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.117800][   T32]  ext4_map_blocks+0x8da/0x1830
[  512.122762][   T32]  ? __pfx_stack_trace_save+0x10/0x10
[  512.128166][   T32]  ? __pfx_ext4_map_blocks+0x10/0x10
[  512.133537][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.139193][   T32]  ? stack_depot_save_flags+0x33/0x810
[  512.144850][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.150554][   T32]  ? stack_trace_snprint+0xd1/0xf0
[  512.155676][   T32]  ? get_free_dqblk+0x49/0x720
[  512.162473][   T32]  ? do_insert_tree+0x256/0x11d0
[  512.167435][   T32]  ? do_insert_tree+0x9d7/0x11d0
[  512.172579][   T32]  ? do_insert_tree+0x9b2/0x11d0
[  512.177539][   T32]  ? do_insert_tree+0x9b2/0x11d0
[  512.182584][   T32]  ext4_getblk+0x1ca/0x780
[  512.187017][   T32]  ? __x64_sys_lsetxattr+0xbf/0xe0
[  512.192234][   T32]  ? do_syscall_64+0xe2/0xf80
[  512.197046][   T32]  ? __pfx_ext4_getblk+0x10/0x10
[  512.202177][   T32]  ext4_bread+0x2a/0x180
[  512.206469][   T32]  ext4_quota_write+0x239/0x580
[  512.211638][   T32]  ? __pfx_ext4_quota_write+0x10/0x10
[  512.217147][   T32]  ? rcu_is_watching+0x15/0xb0
[  512.222036][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.227695][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.233434][   T32]  get_free_dqblk+0x368/0x720
[  512.238151][   T32]  ? __pfx_ext4_quota_write+0x10/0x10
[  512.243584][   T32]  do_insert_tree+0x256/0x11d0
[  512.248376][   T32]  ? ext4_quota_read+0x207/0x390
[  512.254117][   T32]  ? ext4_quota_read+0x317/0x390
[  512.259347][   T32]  do_insert_tree+0x9d7/0x11d0
[  512.266584][   T32]  do_insert_tree+0x9b2/0x11d0
[  512.272002][   T32]  do_insert_tree+0x9b2/0x11d0
[  512.276804][   T32]  qtree_write_dquot+0x4b1/0x5e0
[  512.282043][   T32]  ? __pfx_qtree_write_dquot+0x10/0x10
[  512.287535][   T32]  ? down_write+0x16d/0x200
[  512.292132][   T32]  ? __pfx_down_write+0x10/0x10
[  512.297037][   T32]  ? v2_read_dquot+0x13d/0x1d0
[  512.301897][   T32]  v2_write_dquot+0x183/0x260
[  512.306591][   T32]  dquot_acquire+0x328/0x620
[  512.311411][   T32]  ext4_acquire_dquot+0x2e9/0x4c0
[  512.316486][   T32]  dqget+0x7b1/0xf10
[  512.320688][   T32]  __dquot_initialize+0x3ba/0xd30
[  512.325753][   T32]  ? __pfx___dquot_initialize+0x10/0x10
[  512.331877][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.337556][   T32]  ? __lock_acquire+0x6b5/0x2cf0
[  512.343120][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.348938][   T32]  ? __asan_memset+0x22/0x50
[  512.353689][   T32]  ext4_xattr_set+0xdb/0x340
[  512.358309][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.366296][   T32]  ? evm_protect_xattr+0x4d4/0xac0
[  512.371514][   T32]  ? __pfx_ext4_xattr_set+0x10/0x10
[  512.376733][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.382546][   T32]  ? __pfx_evm_protect_xattr+0x10/0x10
[  512.388059][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.393777][   T32]  ? __pfx_ext4_xattr_trusted_set+0x10/0x10
[  512.399710][   T32]  __vfs_setxattr+0x43c/0x480
[  512.404590][   T32]  __vfs_setxattr_noperm+0x12d/0x660
[  512.410620][   T32]  vfs_setxattr+0x16a/0x2e0
[  512.415159][   T32]  ? __pfx_vfs_setxattr+0x10/0x10
[  512.420261][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.425923][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.432376][   T32]  filename_setxattr+0x281/0x630
[  512.437355][   T32]  ? __pfx_filename_setxattr+0x10/0x10
[  512.442879][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.448529][   T32]  ? getname_flags+0x1e4/0x540
[  512.453376][   T32]  path_setxattrat+0x3f3/0x430
[  512.458188][   T32]  ? __pfx_path_setxattrat+0x10/0x10
[  512.463642][   T32]  ? __pfx___se_sys_rt_sigprocmask+0x10/0x10
[  512.471909][   T32]  ? exc_page_fault+0x6a/0xc0
[  512.476618][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  512.482308][   T32]  ? do_user_addr_fault+0xc7c/0x1360
[  512.487643][   T32]  __x64_sys_lsetxattr+0xbf/0xe0
[  512.493329][   T32]  do_syscall_64+0xe2/0xf80
[  512.497860][   T32]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  512.504140][   T32]  ? trace_irq_disable+0x37/0x100
[  512.509189][   T32]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  512.515160][   T32] RIP: 0033:0x7f0918d9aeb9
[  512.519579][   T32] RSP: 002b:00007f0919c56028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
[  512.528066][   T32] RAX: ffffffffffffffda RBX: 00007f0919016090 RCX: 00007f0918d9aeb9
[  512.536106][   T32] RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000200000000180
[  512.544319][   T32] RBP: 00007f0918e08c1f R08: 0000000000000000 R09: 0000000000000000
[  512.552376][   T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  512.560620][   T32] R13: 00007f0919016128 R14: 00007f0919016090 R15: 00007ffe22744b08
[  512.578397][   T32]  </TASK>
[  512.581839][   T32] 
[  512.581839][   T32] Showing all locks held in the system:
[  512.589710][   T32] 1 lock held by khungtaskd/32:
[  512.597472][T18612] set_capacity_and_notify: 43 callbacks suppressed
[  512.597493][T18612] loop5: detected capacity change from 1024 to 64
[  512.612116][T18620] loop6: detected capacity change from 1024 to 64
[  512.618911][T18623] loop2: detected capacity change from 1024 to 64
[  512.628388][   T32]  #0: ffffffff8e55a360 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  512.634896][T18628] __quota_error: 62 callbacks suppressed
[  512.634914][T18628] Quota error (device loop6): write_blk: dquota write failed
[  512.645641][T18625] Quota error (device loop5): write_blk: dquota write failed
[  512.652145][T18629] Quota error (device loop2): write_blk: dquota write failed
[  512.667448][   T32] 2 locks held by udevd/5187:
[  512.669635][T18628] Quota error (device loop6): qtree_write_dquot: Error -12 occurred while creating quota
[  512.686197][T18612] Dev loop5: unable to read RDB block 8
[  512.687468][   T32]  #0: 
[  512.692197][T18625] Quota error (device loop5): qtree_write_dquot: Error -12 occurred while creating quota
[  512.692722][T18629] Quota error (device loop2): qtree_write_dquot: Error -12 occurred while creating quota
[  512.700285][T18625] EXT4-fs error (device loop5): ext4_acquire_dquot:6986: comm syz.5.3369: Failed to acquire dquot type 0
[  512.705794][T18612]  loop5: unable to read partition table
[  512.720012][   T32] ffff8881423cc358
[  512.726713][T18620] Dev loop6: unable to read RDB block 8
[  512.742671][T18623] Dev loop2: unable to read RDB block 8
[  512.748872][T18623]  loop2: unable to read partition table
[  512.756044][   T32]  (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[  512.758835][T18629] EXT4-fs error (device loop2): ext4_acquire_dquot:6986: comm syz.2.3373: Failed to acquire dquot type 0
[  512.763800][   T32]  #1: 
[  512.777667][T18620]  loop6: unable to read partition table
[  512.780210][   T32] ffff8881423cb448
[  512.781013][T18612] loop_reread_partitions: partition scan of loop5 (ï5ŸA;¹8R÷Ö¤®mÝûÑÎ])Âî^\©) failed (rc=-5)
[  512.786534][   T32]  (
[  512.792301][T18620] loop_reread_partitions: partition scan of loop6 (ï5ŸA;¹8R÷Ö¤®mÝûÑÎ])Âî^\©) failed (rc=-5)
[  512.817344][T18631] loop4: detected capacity change from 0 to 1024
[  512.818773][T18623] loop_reread_partitions: partition scan of loop2 (ï5ŸA;¹8R÷Ö¤®mÝûÑÎ])Âî^\©) failed (rc=-5)
[  512.823912][   T32] &lo->lo_mutex
[  512.834313][T18628] EXT4-fs error (device loop6): ext4_acquire_dquot:6986: comm syz.6.3372: Failed to acquire dquot type 0
[  512.838372][   T32] ){+.+.}-{4:4}, at: lo_open+0x4f/0xd0
[  512.856564][   T32] 2 locks held by getty/5574:
[  512.863189][   T32]  #0: ffff88814e76c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  512.884476][   T32]  #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0
[  512.895155][   T32] 1 lock held by syz-executor/5970:
[  512.900563][   T32]  #0: ffffffff8e560c78 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x38d/0x770
[  512.912018][   T32] 1 lock held by udevd/10512:
[  512.916711][   T32]  #0: ffff8881423cc358 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xe0/0xd30
[  512.926152][   T32] 1 lock held by udevd/10515:
[  512.931441][   T32]  #0: ffff888148c4e3a8 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: blkdev_read_iter+0x2f8/0x440
[  512.943204][   T32] 1 lock held by syz.3.1794/12741:
[  512.948517][   T32]  #0: ffff8880247da358 (&disk->open_mutex){+.+.}-{4:4}, at: loop_set_status+0x986/0xe40
[  512.958630][   T32] 5 locks held by syz.3.1794/12749:
[  512.963950][   T32]  #0: ffff888031f7e420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[  512.973262][   T32]  #1: ffff888060996420 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: vfs_setxattr+0x143/0x2e0
[  512.985984][   T32]  #2: ffff88805edd7228 (&dquot->dq_lock){+.+.}-{4:4}, at: dquot_acquire+0x67/0x620
[  512.995678][   T32]  #3: ffff888031f7e208 (&s->s_dquot.dqio_sem){++++}-{4:4}, at: v2_write_dquot+0xab/0x260
[  513.005842][   T32]  #4: ffff888060990c10 (&ei->i_data_sem/2){++++}-{4:4}, at: ext4_map_blocks+0x7d7/0x1830
[  513.015947][   T32] 2 locks held by ext4lazyinit/15775:
[  513.021353][   T32]  #0: ffff88805aa420e0 (&type->s_umount_key#31){++++}-{4:4}, at: ext4_lazyinit_thread+0x1b7/0x1830
[  513.032377][   T32]  #1: ffff88805aa42420 (sb_writers#4){.+.+}-{0:0}, at: kthread+0x726/0x8b0
[  513.042367][   T32] 3 locks held by syz.1.3370/18614:
[  513.047568][   T32]  #0: ffff8881423cb448 (&lo->lo_mutex){+.+.}-{4:4}, at: loop_set_status+0xc3/0xe40
[  513.057080][   T32]  #1: ffff888142392680 (&q->q_usage_counter(io)#18){++++}-{0:0}, at: loop_set_status+0x310/0xe40
[  513.067927][   T32]  #2: ffff8881423926b8 (&q->q_usage_counter(queue)#2){+.+.}-{0:0}, at: loop_set_status+0x310/0xe40
[  513.079062][   T32] 4 locks held by syz.1.3370/18624:
[  513.086522][   T32]  #0: ffff88805aa42420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[  513.095922][   T32]  #1: ffff88807863a0c0 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: vfs_setxattr+0x143/0x2e0
[  513.106246][   T32]  #2: ffff8880785a2968 (&dquot->dq_lock){+.+.}-{4:4}, at: dquot_acquire+0x67/0x620
[  513.115927][   T32]  #3: ffff88805aa42208 (&s->s_dquot.dqio_sem){++++}-{4:4}, at: v2_read_dquot+0x50/0x1d0
[  513.125901][   T32] 3 locks held by syz.0.3371/18615:
[  513.131301][   T32]  #0: ffff8881423c8448 (&lo->lo_mutex){+.+.}-{4:4}, at: loop_set_status+0xc3/0xe40
[  513.140838][   T32]  #1: ffff888142391cf8 (&q->q_usage_counter(io)#17){++++}-{0:0}, at: loop_set_status+0x310/0xe40
[  513.152530][   T32]  #2: ffff888142391d30 (&q->q_usage_counter(queue)){+.+.}-{0:0}, at: loop_set_status+0x310/0xe40
[  513.163259][   T32] 4 locks held by syz.0.3371/18626:
[  513.168460][   T32]  #0: ffff88803381c420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[  513.177704][   T32]  #1: ffff8880786920c0 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: vfs_setxattr+0x143/0x2e0
[  513.189968][   T32]  #2: ffff8880785a3ca8 (&dquot->dq_lock){+.+.}-{4:4}, at: dquot_acquire+0x67/0x620
[  513.201594][   T32]  #3: ffff88803381c208 (&s->s_dquot.dqio_sem){++++}-{4:4}, at: v2_read_dquot+0x50/0x1d0
[  513.211540][   T32] 3 locks held by syz.4.3374/18631:
[  513.216726][   T32]  #0: ffff8880247dc448 (&lo->lo_mutex){+.+.}-{4:4}, at: loop_set_status+0xc3/0xe40
[  513.226214][   T32]  #1: ffff888142394318 (&q->q_usage_counter(io)#21){++++}-{0:0}, at: loop_set_status+0x310/0xe40
[  513.236981][   T32]  #2: ffff888142394350 (&q->q_usage_counter(queue)#5){+.+.}-{0:0}, at: loop_set_status+0x310/0xe40
[  513.247957][   T32] 4 locks held by syz.4.3374/18633:
[  513.253204][   T32]  #0: ffff88805e0e8420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90
[  513.262647][   T32]  #1: ffff88807863e420 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: vfs_setxattr+0x143/0x2e0
[  513.273011][   T32]  #2: ffff8880785a33e8 (&dquot->dq_lock){+.+.}-{4:4}, at: dquot_acquire+0x67/0x620
[  513.282536][   T32]  #3: ffff88805e0e8208 (&s->s_dquot.dqio_sem){++++}-{4:4}, at: v2_read_dquot+0x50/0x1d0
[  513.294843][   T32] 
[  513.297208][   T32] =============================================
[  513.297208][   T32] 
[  513.312794][T18615] loop0: detected capacity change from 1024 to 64
[  513.314751][T18631] loop4: detected capacity change from 1024 to 64
[  513.319429][T18614] loop1: detected capacity change from 1024 to 64
[  513.335725][T18626] Quota error (device loop0): write_blk: dquota write failed
[  513.343657][T15775] EXT4-fs error (device loop1): ext4_validate_block_bitmap:441: comm ext4lazyinit: bg 0: block 163: padding at end of block bitmap is not set
[  513.349973][   T32] NMI backtrace for cpu 1
[  513.349996][   T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  513.350024][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  513.350042][   T32] Call Trace:
[  513.350053][   T32]  <TASK>
[  513.350064][   T32]  dump_stack_lvl+0xe8/0x150
[  513.350107][   T32]  nmi_cpu_backtrace+0x274/0x2d0
[  513.350146][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.350179][   T32]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  513.350224][   T32]  nmi_trigger_cpumask_backtrace+0x17a/0x300
[  513.350271][   T32]  sys_info+0x135/0x170
[  513.350306][   T32]  watchdog+0xf90/0xfe0
[  513.350344][   T32]  ? watchdog+0x209/0xfe0
[  513.350380][   T32]  kthread+0x726/0x8b0
[  513.350414][   T32]  ? __pfx_watchdog+0x10/0x10
[  513.350441][   T32]  ? __pfx_kthread+0x10/0x10
[  513.350468][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.350504][   T32]  ? _raw_spin_unlock_irq+0x23/0x50
[  513.350529][   T32]  ? __pfx_kthread+0x10/0x10
[  513.350560][   T32]  ret_from_fork+0x51b/0xa40
[  513.350588][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  513.350610][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.350639][   T32]  ? __switch_to+0xc82/0x1410
[  513.350682][   T32]  ? __pfx_kthread+0x10/0x10
[  513.350714][   T32]  ret_from_fork_asm+0x1a/0x30
[  513.350769][   T32]  </TASK>
[  513.350778][   T32] Sending NMI from CPU 1 to CPUs 0:
[  513.362232][T18624] Quota error (device loop1): write_blk: dquota write failed
[  513.363062][    C0] NMI backtrace for cpu 0
[  513.363081][    C0] CPU: 0 UID: 0 PID: 18624 Comm: syz.1.3370 Not tainted syzkaller #0 PREEMPT(full) 
[  513.363107][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  513.363122][    C0] RIP: 0010:io_serial_in+0x77/0xc0
[  513.363158][    C0] Code: e8 ae ae 92 fc 44 89 f9 d3 e3 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 4f fe fa fc 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f e9 65 75 de fb cc 44 89 f9 80 e1 07
[  513.363178][    C0] RSP: 0018:ffffc9000ce6ebf0 EFLAGS: 00000002
[  513.363200][    C0] RAX: 1ffffffff3467000 RBX: 00000000000003fd RCX: 0000000000000000
[  513.363216][    C0] RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000020
[  513.363231][    C0] RBP: ffffffff9a338530 R08: ffff8881482f0237 R09: 1ffff1102905e046
[  513.363249][    C0] R10: dffffc0000000000 R11: ffffffff8531cb20 R12: dffffc0000000000
[  513.363267][    C0] R13: 0000000000000000 R14: ffffffff9a3382a0 R15: 0000000000000000
[  513.363286][    C0] FS:  00007fc4d59d56c0(0000) GS:ffff8881256f3000(0000) knlGS:0000000000000000
[  513.363306][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  513.363323][    C0] CR2: 00007f0ae19e8600 CR3: 00000000527fe000 CR4: 0000000000350ef0
[  513.363342][    C0] Call Trace:
[  513.363351][    C0]  <TASK>
[  513.363362][    C0]  wait_for_lsr+0x1a1/0x2f0
[  513.363403][    C0]  serial8250_console_write+0x1348/0x1ba0
[  513.363446][    C0]  ? __pfx_serial8250_console_write+0x10/0x10
[  513.363477][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.363507][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.363536][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.363564][    C0]  ? do_raw_spin_unlock+0xf5/0x210
[  513.363595][    C0]  ? console_flush_all+0x123/0xb20
[  513.363623][    C0]  console_flush_all+0x718/0xb20
[  513.363653][    C0]  ? console_flush_all+0x123/0xb20
[  513.363684][    C0]  ? __pfx_console_flush_all+0x10/0x10
[  513.363714][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.363741][    C0]  ? is_printk_cpu_sync_owner+0x32/0x40
[  513.363775][    C0]  console_unlock+0xd1/0x1c0
[  513.363799][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.363828][    C0]  ? __pfx_console_unlock+0x10/0x10
[  513.363851][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.363882][    C0]  ? vprintk_emit+0x2cf/0x560
[  513.363904][    C0]  ? vprintk_emit+0x2cf/0x560
[  513.363929][    C0]  vprintk_emit+0x485/0x560
[  513.363954][    C0]  ? __pfx_vprintk_emit+0x10/0x10
[  513.363985][    C0]  _printk+0xdd/0x130
[  513.364024][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.364056][    C0]  ? __pfx__printk+0x10/0x10
[  513.364090][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.364118][    C0]  ? _raw_spin_unlock_irqrestore+0x4c/0x80
[  513.364141][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.364168][    C0]  ? ___ratelimit+0x58c/0x8d0
[  513.364196][    C0]  __quota_error+0x1a6/0x1d0
[  513.364232][    C0]  ? __pfx___quota_error+0x10/0x10
[  513.364265][    C0]  ? __pfx_ext4_quota_write+0x10/0x10
[  513.364291][    C0]  ? __kmalloc_noprof+0x42d/0x7e0
[  513.364320][    C0]  get_free_dqblk+0x3cd/0x720
[  513.364348][    C0]  ? __pfx_ext4_quota_write+0x10/0x10
[  513.364374][    C0]  do_insert_tree+0x256/0x11d0
[  513.364398][    C0]  ? from_kuid+0x1ca/0x660
[  513.364426][    C0]  ? ext4_quota_read+0x317/0x390
[  513.364454][    C0]  do_insert_tree+0x9d7/0x11d0
[  513.364490][    C0]  qtree_write_dquot+0x4b1/0x5e0
[  513.364519][    C0]  ? __pfx_qtree_write_dquot+0x10/0x10
[  513.364543][    C0]  ? down_write+0x16d/0x200
[  513.364575][    C0]  ? __pfx_down_write+0x10/0x10
[  513.364605][    C0]  ? v2_read_dquot+0x13d/0x1d0
[  513.364630][    C0]  v2_write_dquot+0x183/0x260
[  513.364656][    C0]  dquot_acquire+0x328/0x620
[  513.364693][    C0]  ext4_acquire_dquot+0x2e9/0x4c0
[  513.364724][    C0]  dqget+0x7b1/0xf10
[  513.364762][    C0]  __dquot_initialize+0x3ba/0xd30
[  513.364801][    C0]  ? __pfx___dquot_initialize+0x10/0x10
[  513.364834][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.364861][    C0]  ? __lock_acquire+0x6b5/0x2cf0
[  513.364898][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.364926][    C0]  ? __asan_memset+0x22/0x50
[  513.364967][    C0]  ext4_xattr_set+0xdb/0x340
[  513.364999][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.365035][    C0]  ? evm_protect_xattr+0x4d4/0xac0
[  513.365058][    C0]  ? __pfx_ext4_xattr_set+0x10/0x10
[  513.365088][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.365119][    C0]  ? __pfx_evm_protect_xattr+0x10/0x10
[  513.365140][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.365168][    C0]  ? __pfx_ext4_xattr_trusted_set+0x10/0x10
[  513.365203][    C0]  __vfs_setxattr+0x43c/0x480
[  513.365239][    C0]  __vfs_setxattr_noperm+0x12d/0x660
[  513.365271][    C0]  vfs_setxattr+0x16a/0x2e0
[  513.365301][    C0]  ? __pfx_vfs_setxattr+0x10/0x10
[  513.365325][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.365358][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.365388][    C0]  filename_setxattr+0x281/0x630
[  513.365423][    C0]  ? __pfx_filename_setxattr+0x10/0x10
[  513.365453][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.365481][    C0]  ? getname_flags+0x1e4/0x540
[  513.365510][    C0]  path_setxattrat+0x3f3/0x430
[  513.365551][    C0]  ? __pfx_path_setxattrat+0x10/0x10
[  513.365601][    C0]  ? __pfx___se_sys_rt_sigprocmask+0x10/0x10
[  513.365625][    C0]  ? exc_page_fault+0x6a/0xc0
[  513.365653][    C0]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.365680][    C0]  ? do_user_addr_fault+0xc7c/0x1360
[  513.365722][    C0]  __x64_sys_lsetxattr+0xbf/0xe0
[  513.365753][    C0]  do_syscall_64+0xe2/0xf80
[  513.365780][    C0]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  513.365803][    C0]  ? trace_irq_disable+0x37/0x100
[  513.365831][    C0]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  513.365855][    C0] RIP: 0033:0x7fc4d639aeb9
[  513.365875][    C0] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  513.365895][    C0] RSP: 002b:00007fc4d59d5028 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
[  513.365918][    C0] RAX: ffffffffffffffda RBX: 00007fc4d6616090 RCX: 00007fc4d639aeb9
[  513.365936][    C0] RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000200000000180
[  513.365952][    C0] RBP: 00007fc4d6408c1f R08: 0000000000000000 R09: 0000000000000000
[  513.365968][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  513.365982][    C0] R13: 00007fc4d6616128 R14: 00007fc4d6616090 R15: 00007ffed7e83f48
[  513.366012][    C0]  </TASK>
[  513.367248][T18626] Quota error (device loop0): qtree_write_dquot: Error -12 occurred while creating quota
[  513.442887][T18615] Dev loop0: unable to read RDB block 8
[  513.448186][   T32] Kernel panic - not syncing: hung_task: blocked tasks
[  513.448211][   T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  513.448242][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[  513.448260][   T32] Call Trace:
[  513.448272][   T32]  <TASK>
[  513.448285][   T32]  vpanic+0x1e0/0x670
[  513.448330][   T32]  panic+0xc5/0xd0
[  513.448363][   T32]  ? __pfx_panic+0x10/0x10
[  513.448395][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.448431][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.448462][   T32]  ? preempt_schedule_thunk+0x16/0x30
[  513.448512][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.448544][   T32]  ? nmi_trigger_cpumask_backtrace+0x2bb/0x300
[  513.448591][   T32]  watchdog+0xfda/0xfe0
[  513.448628][   T32]  ? watchdog+0x209/0xfe0
[  513.448666][   T32]  kthread+0x726/0x8b0
[  513.448702][   T32]  ? __pfx_watchdog+0x10/0x10
[  513.448731][   T32]  ? __pfx_kthread+0x10/0x10
[  513.448759][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.448797][   T32]  ? _raw_spin_unlock_irq+0x23/0x50
[  513.448823][   T32]  ? __pfx_kthread+0x10/0x10
[  513.448856][   T32]  ret_from_fork+0x51b/0xa40
[  513.448887][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  513.448910][   T32]  ? srso_alias_return_thunk+0x5/0xfbef5
[  513.448942][   T32]  ? __switch_to+0xc82/0x1410
[  513.448984][   T32]  ? __pfx_kthread+0x10/0x10
[  513.449023][   T32]  ret_from_fork_asm+0x1a/0x30
[  513.449080][   T32]  </TASK>
[  513.453389][   T32] Kernel Offset: disabled