16] ext4 filesystem being mounted at /192/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 221.054041][ T8216] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.958: lblock 0 mapped to illegal pblock 0 (length 1) [ 221.074285][ T8216] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 221.074319][ T8216] EXT4-fs (loop3): This should not happen!! Data will be lost [ 221.074319][ T8216] [ 221.082593][ T8215] ext4 filesystem being mounted at /182/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 221.093038][ T8214] ext4 filesystem being mounted at /183/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 221.107627][ T8215] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.956: lblock 0 mapped to illegal pblock 0 (length 1) [ 221.137860][ T8215] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 221.137893][ T8215] EXT4-fs (loop2): This should not happen!! Data will be lost [ 221.137893][ T8215] [ 221.154793][ T8214] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.957: lblock 0 mapped to illegal pblock 0 (length 1) [ 221.155439][ T8214] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 221.155465][ T8214] EXT4-fs (loop4): This should not happen!! Data will be lost [ 221.155465][ T8214] [ 221.351789][ T8224] ext4 filesystem being mounted at /184/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 221.421019][ T8224] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.960: lblock 0 mapped to illegal pblock 0 (length 1) [ 221.438434][ T8224] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 221.438465][ T8224] EXT4-fs (loop0): This should not happen!! Data will be lost [ 221.438465][ T8224] [ 221.498926][ T8225] ext4 filesystem being mounted at /199/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 221.501853][ T8225] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.963: lblock 0 mapped to illegal pblock 0 (length 1) [ 221.558093][ T8225] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 221.558124][ T8225] EXT4-fs (loop1): This should not happen!! Data will be lost [ 221.558124][ T8225] [ 221.747882][ T8230] ext4 filesystem being mounted at /184/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 221.821553][ T8235] ext4 filesystem being mounted at /194/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 221.832452][ T8234] ext4 filesystem being mounted at /185/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 221.873405][ T8230] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.962: lblock 0 mapped to illegal pblock 0 (length 1) [ 221.874666][ T8230] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 221.874692][ T8230] EXT4-fs (loop4): This should not happen!! Data will be lost [ 221.874692][ T8230] [ 221.911840][ T8235] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.968: lblock 0 mapped to illegal pblock 0 (length 1) [ 221.916781][ T8234] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.965: lblock 0 mapped to illegal pblock 0 (length 1) [ 221.919759][ T8234] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 221.919790][ T8234] EXT4-fs (loop0): This should not happen!! Data will be lost [ 221.919790][ T8234] [ 221.925773][ T8235] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 221.925802][ T8235] EXT4-fs (loop3): This should not happen!! Data will be lost [ 221.925802][ T8235] [ 222.061678][ T8240] ext4 filesystem being mounted at /185/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 222.096143][ T8240] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.969: lblock 0 mapped to illegal pblock 0 (length 1) [ 222.096896][ T8240] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 222.096922][ T8240] EXT4-fs (loop2): This should not happen!! Data will be lost [ 222.096922][ T8240] [ 222.154626][ T8245] ext4 filesystem being mounted at /200/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 222.172403][ T8245] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.967: lblock 0 mapped to illegal pblock 0 (length 1) [ 222.172926][ T8245] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 222.172952][ T8245] EXT4-fs (loop1): This should not happen!! Data will be lost [ 222.172952][ T8245] [ 222.434622][ T8250] ext4 filesystem being mounted at /186/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 222.481599][ T8250] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.971: lblock 0 mapped to illegal pblock 0 (length 1) [ 222.528752][ T8250] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 222.528782][ T8250] EXT4-fs (loop0): This should not happen!! Data will be lost [ 222.528782][ T8250] 2025/12/20 00:13:44 executed programs: 970 [ 222.592558][ T8251] ext4 filesystem being mounted at /187/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 222.596756][ T8255] ext4 filesystem being mounted at /186/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 222.611590][ T8251] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.976: lblock 0 mapped to illegal pblock 0 (length 1) [ 222.612339][ T8251] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 222.612367][ T8251] EXT4-fs (loop4): This should not happen!! Data will be lost [ 222.612367][ T8251] [ 222.655018][ T8255] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.973: lblock 0 mapped to illegal pblock 0 (length 1) [ 222.656261][ T8255] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 222.656290][ T8255] EXT4-fs (loop2): This should not happen!! Data will be lost [ 222.656290][ T8255] [ 222.692537][ T8252] ext4 filesystem being mounted at /195/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 222.724884][ T8252] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.972: lblock 0 mapped to illegal pblock 0 (length 1) [ 222.751549][ T8259] ext4 filesystem being mounted at /201/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 222.755951][ T8259] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.974: lblock 0 mapped to illegal pblock 0 (length 1) [ 222.756621][ T8252] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 222.756648][ T8252] EXT4-fs (loop3): This should not happen!! Data will be lost [ 222.756648][ T8252] [ 222.791407][ T8259] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 222.791441][ T8259] EXT4-fs (loop1): This should not happen!! Data will be lost [ 222.791441][ T8259] [ 223.125956][ T37] kauditd_printk_skb: 77 callbacks suppressed [ 223.125976][ T37] audit: type=1800 audit(1766189625.354:1574): pid=8270 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.981" name="file1" dev="tmpfs" ino=1230 res=0 errno=0 [ 223.230548][ T8268] ext4 filesystem being mounted at /189/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 223.245526][ T37] audit: type=1800 audit(1766189625.484:1575): pid=8267 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.979" name="file1" dev="tmpfs" ino=1140 res=0 errno=0 [ 223.293692][ T37] audit: type=1800 audit(1766189625.534:1576): pid=8274 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.984" name="file1" dev="tmpfs" ino=1236 res=0 errno=0 [ 223.303197][ T37] audit: type=1800 audit(1766189625.544:1577): pid=8268 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.983" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 223.303582][ T37] audit: type=1800 audit(1766189625.544:1578): pid=8268 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.983" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 223.305177][ T8268] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.983: lblock 0 mapped to illegal pblock 0 (length 1) [ 223.329343][ T8268] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 223.329375][ T8268] EXT4-fs (loop0): This should not happen!! Data will be lost [ 223.329375][ T8268] [ 223.364291][ T8269] ext4 filesystem being mounted at /188/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 223.366510][ T37] audit: type=1800 audit(1766189625.604:1579): pid=8269 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.978" name="file1" dev="loop4" ino=15 res=0 errno=0 [ 223.366907][ T37] audit: type=1800 audit(1766189625.604:1580): pid=8269 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.978" name="file1" dev="loop4" ino=15 res=0 errno=0 [ 223.391886][ T8269] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.978: lblock 0 mapped to illegal pblock 0 (length 1) [ 223.396856][ T8269] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 223.396888][ T8269] EXT4-fs (loop4): This should not happen!! Data will be lost [ 223.396888][ T8269] [ 223.404183][ T8271] ext4 filesystem being mounted at /196/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 223.454313][ T8271] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.980: lblock 0 mapped to illegal pblock 0 (length 1) [ 223.495832][ T8271] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 223.495863][ T8271] EXT4-fs (loop3): This should not happen!! Data will be lost [ 223.495863][ T8271] [ 223.524417][ T37] audit: type=1800 audit(1766189625.694:1581): pid=8271 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.980" name="file1" dev="loop3" ino=15 res=0 errno=0 [ 223.524465][ T37] audit: type=1800 audit(1766189625.694:1582): pid=8271 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.980" name="file1" dev="loop3" ino=15 res=0 errno=0 [ 223.641393][ T8279] set_capacity_and_notify: 24 callbacks suppressed [ 223.641414][ T8279] loop2: detected capacity change from 0 to 1024 [ 223.645404][ T8280] loop1: detected capacity change from 0 to 1024 [ 223.686110][ T8280] ext4 filesystem being mounted at /204/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 223.721804][ T37] audit: type=1800 audit(1766189625.964:1583): pid=8280 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.986" name="file1" dev="loop1" ino=15 res=0 errno=0 [ 223.723223][ T8280] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.986: lblock 0 mapped to illegal pblock 0 (length 1) [ 223.742239][ T8280] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 223.742271][ T8280] EXT4-fs (loop1): This should not happen!! Data will be lost [ 223.742271][ T8280] [ 223.745879][ T8279] ext4 filesystem being mounted at /188/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 223.837478][ T8279] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.985: lblock 0 mapped to illegal pblock 0 (length 1) [ 223.858218][ T8279] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 223.858250][ T8279] EXT4-fs (loop2): This should not happen!! Data will be lost [ 223.858250][ T8279] [ 223.921475][ T8286] loop4: detected capacity change from 0 to 1024 [ 223.943671][ T8287] loop0: detected capacity change from 0 to 1024 [ 223.981310][ T8287] ext4 filesystem being mounted at /190/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 223.998257][ T8285] loop3: detected capacity change from 0 to 1024 [ 224.003171][ T8286] ext4 filesystem being mounted at /189/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 224.033541][ T8287] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.987: lblock 0 mapped to illegal pblock 0 (length 1) [ 224.041730][ T8286] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.988: lblock 0 mapped to illegal pblock 0 (length 1) [ 224.042484][ T8286] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 224.042510][ T8286] EXT4-fs (loop4): This should not happen!! Data will be lost [ 224.042510][ T8286] [ 224.055735][ T8285] ext4 filesystem being mounted at /197/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 224.058051][ T8287] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 224.058080][ T8287] EXT4-fs (loop0): This should not happen!! Data will be lost [ 224.058080][ T8287] [ 224.105895][ T8285] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.989: lblock 0 mapped to illegal pblock 0 (length 1) [ 224.130570][ T8285] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 224.130600][ T8285] EXT4-fs (loop3): This should not happen!! Data will be lost [ 224.130600][ T8285] [ 224.387376][ T8296] loop1: detected capacity change from 0 to 1024 [ 224.475731][ T8296] ext4 filesystem being mounted at /206/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 224.492502][ T8296] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.994: lblock 0 mapped to illegal pblock 0 (length 1) [ 224.493139][ T8296] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 224.493165][ T8296] EXT4-fs (loop1): This should not happen!! Data will be lost [ 224.493165][ T8296] [ 224.624676][ T8301] loop4: detected capacity change from 0 to 1024 [ 224.631951][ T8300] loop0: detected capacity change from 0 to 1024 [ 224.665716][ T8303] loop2: detected capacity change from 0 to 1024 [ 224.721367][ T8303] ext4 filesystem being mounted at /191/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 224.737106][ T8300] ext4 filesystem being mounted at /191/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 224.766088][ T8303] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.997: lblock 0 mapped to illegal pblock 0 (length 1) [ 224.781889][ T8300] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.992: lblock 0 mapped to illegal pblock 0 (length 1) [ 224.782608][ T8303] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 224.782633][ T8303] EXT4-fs (loop2): This should not happen!! Data will be lost [ 224.782633][ T8303] [ 224.815466][ T8300] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 224.815497][ T8300] EXT4-fs (loop0): This should not happen!! Data will be lost [ 224.815497][ T8300] [ 224.877828][ T8301] ext4 filesystem being mounted at /190/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 224.904038][ T8301] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.995: lblock 0 mapped to illegal pblock 0 (length 1) [ 224.906188][ T8301] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 224.906216][ T8301] EXT4-fs (loop4): This should not happen!! Data will be lost [ 224.906216][ T8301] [ 224.981270][ T8311] loop1: detected capacity change from 0 to 1024 [ 225.108276][ T8310] ext4 filesystem being mounted at /199/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 225.109443][ T8311] ext4 filesystem being mounted at /207/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 225.112259][ T8311] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.998: lblock 0 mapped to illegal pblock 0 (length 1) [ 225.134862][ T8310] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.999: lblock 0 mapped to illegal pblock 0 (length 1) [ 225.168642][ T8311] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 225.168675][ T8311] EXT4-fs (loop1): This should not happen!! Data will be lost [ 225.168675][ T8311] [ 225.178217][ T8310] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 225.178243][ T8310] EXT4-fs (loop3): This should not happen!! Data will be lost [ 225.178243][ T8310] [ 225.297062][ T8316] ext4 filesystem being mounted at /193/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 225.359597][ T8316] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1003: lblock 0 mapped to illegal pblock 0 (length 1) [ 225.388589][ T8316] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 225.388620][ T8316] EXT4-fs (loop0): This should not happen!! Data will be lost [ 225.388620][ T8316] [ 225.554967][ T8326] ext4 filesystem being mounted at /193/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 225.662207][ T8326] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1006: lblock 0 mapped to illegal pblock 0 (length 1) [ 225.664705][ T8326] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 225.664734][ T8326] EXT4-fs (loop2): This should not happen!! Data will be lost [ 225.664734][ T8326] [ 225.878513][ T8330] ext4 filesystem being mounted at /192/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 225.906282][ T8330] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1008: lblock 0 mapped to illegal pblock 0 (length 1) [ 225.927286][ T8330] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 225.927317][ T8330] EXT4-fs (loop4): This should not happen!! Data will be lost [ 225.927317][ T8330] [ 226.043258][ T8335] ext4 filesystem being mounted at /209/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 226.063421][ T8337] ext4 filesystem being mounted at /201/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 226.067704][ T8337] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1011: lblock 0 mapped to illegal pblock 0 (length 1) [ 226.068869][ T8335] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1009: lblock 0 mapped to illegal pblock 0 (length 1) [ 226.089286][ T8337] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 226.089318][ T8337] EXT4-fs (loop3): This should not happen!! Data will be lost [ 226.089318][ T8337] [ 226.090181][ T8335] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 226.090206][ T8335] EXT4-fs (loop1): This should not happen!! Data will be lost [ 226.090206][ T8335] [ 226.170337][ T8336] ext4 filesystem being mounted at /195/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 226.210752][ T8336] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1012: lblock 0 mapped to illegal pblock 0 (length 1) [ 226.216272][ T8336] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 226.216304][ T8336] EXT4-fs (loop0): This should not happen!! Data will be lost [ 226.216304][ T8336] [ 226.374586][ T8338] ext4 filesystem being mounted at /194/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 226.410618][ T8338] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1010: lblock 0 mapped to illegal pblock 0 (length 1) [ 226.422861][ T8338] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 226.422893][ T8338] EXT4-fs (loop2): This should not happen!! Data will be lost [ 226.422893][ T8338] [ 226.528740][ T8350] ext4 filesystem being mounted at /210/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 226.535914][ T8350] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1014: lblock 0 mapped to illegal pblock 0 (length 1) [ 226.541415][ T8352] ext4 filesystem being mounted at /202/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 226.589937][ T8350] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 226.589961][ T8350] EXT4-fs (loop1): This should not happen!! Data will be lost [ 226.589961][ T8350] [ 226.664956][ T8352] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1015: lblock 0 mapped to illegal pblock 0 (length 1) [ 226.665673][ T8352] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 226.665701][ T8352] EXT4-fs (loop3): This should not happen!! Data will be lost [ 226.665701][ T8352] [ 226.712725][ T8349] ext4 filesystem being mounted at /195/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 226.733323][ T8349] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1018: lblock 0 mapped to illegal pblock 0 (length 1) [ 226.755668][ T8349] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 226.755701][ T8349] EXT4-fs (loop4): This should not happen!! Data will be lost [ 226.755701][ T8349] [ 226.825892][ T8356] ext4 filesystem being mounted at /196/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 226.885371][ T8356] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1016: lblock 0 mapped to illegal pblock 0 (length 1) [ 226.919313][ T8356] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 226.919345][ T8356] EXT4-fs (loop0): This should not happen!! Data will be lost [ 226.919345][ T8356] [ 227.065262][ T8362] ext4 filesystem being mounted at /196/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 227.072533][ T8362] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1023: lblock 0 mapped to illegal pblock 0 (length 1) [ 227.102467][ T8362] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 227.102498][ T8362] EXT4-fs (loop2): This should not happen!! Data will be lost [ 227.102498][ T8362] [ 227.195409][ T8366] ext4 filesystem being mounted at /203/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 227.227311][ T8324] Bluetooth: hci0: command 0x0406 tx timeout [ 227.227350][ T8324] Bluetooth: hci1: command 0x0406 tx timeout [ 227.227383][ T8324] Bluetooth: hci2: command 0x0406 tx timeout [ 227.227406][ T8324] Bluetooth: hci3: command 0x0406 tx timeout [ 227.227429][ T8324] Bluetooth: hci4: command 0x0406 tx timeout [ 227.284059][ T8366] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1021: lblock 0 mapped to illegal pblock 0 (length 1) [ 227.327669][ T8366] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 227.327705][ T8366] EXT4-fs (loop3): This should not happen!! Data will be lost [ 227.327705][ T8366] [ 227.350989][ T8371] ext4 filesystem being mounted at /212/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 227.408822][ T8371] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1025: lblock 0 mapped to illegal pblock 0 (length 1) [ 227.409502][ T8371] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 227.409529][ T8371] EXT4-fs (loop1): This should not happen!! Data will be lost [ 227.409529][ T8371] [ 227.591637][ T8370] ext4 filesystem being mounted at /196/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 227.595273][ T8369] ext4 filesystem being mounted at /197/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 227.610772][ T8369] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1024: lblock 0 mapped to illegal pblock 0 (length 1) [ 227.613190][ T8370] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1022: lblock 0 mapped to illegal pblock 0 (length 1) [ 227.682879][ T8375] ext4 filesystem being mounted at /197/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 227.708571][ T8369] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 2025/12/20 00:13:50 executed programs: 1022 [ 227.708602][ T8369] EXT4-fs (loop0): This should not happen!! Data will be lost [ 227.708602][ T8369] [ 227.712378][ T8370] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 227.712407][ T8370] EXT4-fs (loop4): This should not happen!! Data will be lost [ 227.712407][ T8370] [ 227.778429][ T8375] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1026: lblock 0 mapped to illegal pblock 0 (length 1) [ 227.822405][ T8375] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 227.822436][ T8375] EXT4-fs (loop2): This should not happen!! Data will be lost [ 227.822436][ T8375] [ 228.027072][ T8385] ext4 filesystem being mounted at /198/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 228.093083][ T8385] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1029: lblock 0 mapped to illegal pblock 0 (length 1) [ 228.109813][ T8385] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 228.109849][ T8385] EXT4-fs (loop0): This should not happen!! Data will be lost [ 228.109849][ T8385] [ 228.164133][ T37] kauditd_printk_skb: 71 callbacks suppressed [ 228.164151][ T37] audit: type=1800 audit(1766189630.404:1655): pid=8386 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1031" name="file1" dev="tmpfs" ino=1206 res=0 errno=0 [ 228.231026][ T8382] ext4 filesystem being mounted at /213/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 228.252470][ T37] audit: type=1800 audit(1766189630.494:1656): pid=8382 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.1027" name="file1" dev="loop1" ino=15 res=0 errno=0 [ 228.253532][ T37] audit: type=1800 audit(1766189630.494:1657): pid=8382 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.1027" name="file1" dev="loop1" ino=15 res=0 errno=0 [ 228.256181][ T8382] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1027: lblock 0 mapped to illegal pblock 0 (length 1) [ 228.298622][ T8382] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 228.298655][ T8382] EXT4-fs (loop1): This should not happen!! Data will be lost [ 228.298655][ T8382] [ 228.338919][ T8383] ext4 filesystem being mounted at /204/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 228.379722][ T37] audit: type=1800 audit(1766189630.624:1658): pid=8383 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1028" name="file1" dev="loop3" ino=15 res=0 errno=0 [ 228.380643][ T37] audit: type=1800 audit(1766189630.624:1659): pid=8383 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1028" name="file1" dev="loop3" ino=15 res=0 errno=0 [ 228.381806][ T8383] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1028: lblock 0 mapped to illegal pblock 0 (length 1) [ 228.404980][ T8383] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 228.405016][ T8383] EXT4-fs (loop3): This should not happen!! Data will be lost [ 228.405016][ T8383] [ 228.577655][ T8395] ext4 filesystem being mounted at /199/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 228.588253][ T8396] ext4 filesystem being mounted at /199/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 228.604286][ T8394] ext4 filesystem being mounted at /197/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 228.622371][ T37] audit: type=1800 audit(1766189630.844:1660): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1030" name="file1" dev="loop4" ino=15 res=0 errno=0 [ 228.622964][ T37] audit: type=1800 audit(1766189630.864:1661): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1030" name="file1" dev="loop4" ino=15 res=0 errno=0 [ 228.624909][ T8394] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1030: lblock 0 mapped to illegal pblock 0 (length 1) [ 228.625967][ T8394] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 228.625992][ T8394] EXT4-fs (loop4): This should not happen!! Data will be lost [ 228.625992][ T8394] [ 228.662473][ T37] audit: type=1800 audit(1766189630.874:1662): pid=8395 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1033" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 228.662529][ T37] audit: type=1800 audit(1766189630.874:1663): pid=8395 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1033" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 228.682032][ T8395] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1033: lblock 0 mapped to illegal pblock 0 (length 1) [ 228.688409][ T8395] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 228.688439][ T8395] EXT4-fs (loop2): This should not happen!! Data will be lost [ 228.688439][ T8395] [ 228.783815][ T37] audit: type=1800 audit(1766189631.024:1664): pid=8396 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.1032" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 228.785924][ T8396] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1032: lblock 0 mapped to illegal pblock 0 (length 1) [ 228.798131][ T8396] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 228.798161][ T8396] EXT4-fs (loop0): This should not happen!! Data will be lost [ 228.798161][ T8396] [ 228.916592][ T8404] set_capacity_and_notify: 24 callbacks suppressed [ 228.916606][ T8404] loop1: detected capacity change from 0 to 1024 [ 229.042615][ T8405] loop3: detected capacity change from 0 to 1024 [ 229.077371][ T8404] ext4 filesystem being mounted at /214/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 229.108373][ T8404] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1034: lblock 0 mapped to illegal pblock 0 (length 1) [ 229.108929][ T8404] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 229.108955][ T8404] EXT4-fs (loop1): This should not happen!! Data will be lost [ 229.108955][ T8404] [ 229.186257][ T8411] loop2: detected capacity change from 0 to 1024 [ 229.258442][ T8411] ext4 filesystem being mounted at /201/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 229.301570][ T8411] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1039: lblock 0 mapped to illegal pblock 0 (length 1) [ 229.304366][ T8411] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 229.304395][ T8411] EXT4-fs (loop2): This should not happen!! Data will be lost [ 229.304395][ T8411] [ 229.317202][ T8413] loop0: detected capacity change from 0 to 1024 [ 229.328849][ T8409] loop4: detected capacity change from 0 to 1024 [ 229.353937][ T8405] ext4 filesystem being mounted at /205/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 229.406995][ T8405] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1035: lblock 0 mapped to illegal pblock 0 (length 1) [ 229.410460][ T8405] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 229.410489][ T8405] EXT4-fs (loop3): This should not happen!! Data will be lost [ 229.410489][ T8405] [ 229.491999][ T8413] ext4 filesystem being mounted at /200/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 229.495878][ T8409] ext4 filesystem being mounted at /198/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 229.534189][ T8420] loop1: detected capacity change from 0 to 1024 [ 229.559577][ T8409] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1036: lblock 0 mapped to illegal pblock 0 (length 1) [ 229.571791][ T8413] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1038: lblock 0 mapped to illegal pblock 0 (length 1) [ 229.575470][ T8413] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 229.575498][ T8413] EXT4-fs (loop0): This should not happen!! Data will be lost [ 229.575498][ T8413] [ 229.595278][ T8409] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 229.595309][ T8409] EXT4-fs (loop4): This should not happen!! Data will be lost [ 229.595309][ T8409] [ 229.682053][ T8420] ext4 filesystem being mounted at /215/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 229.687148][ T8420] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1040: lblock 0 mapped to illegal pblock 0 (length 1) [ 229.714692][ T8420] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 229.714741][ T8420] EXT4-fs (loop1): This should not happen!! Data will be lost [ 229.714741][ T8420] [ 229.808258][ T8422] loop3: detected capacity change from 0 to 1024 [ 229.834010][ T8424] loop0: detected capacity change from 0 to 1024 [ 229.882755][ T8422] ext4 filesystem being mounted at /206/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 229.922825][ T8424] ext4 filesystem being mounted at /201/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 229.947364][ T8426] loop2: detected capacity change from 0 to 1024 [ 229.989074][ T8422] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1042: lblock 0 mapped to illegal pblock 0 (length 1) [ 229.991112][ T8424] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1044: lblock 0 mapped to illegal pblock 0 (length 1) [ 229.995819][ T8424] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 229.995858][ T8424] EXT4-fs (loop0): This should not happen!! Data will be lost [ 229.995858][ T8424] [ 229.996126][ T8422] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 229.996152][ T8422] EXT4-fs (loop3): This should not happen!! Data will be lost [ 229.996152][ T8422] [ 230.096249][ T8426] ext4 filesystem being mounted at /202/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 230.165583][ T8426] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1041: lblock 0 mapped to illegal pblock 0 (length 1) [ 230.168511][ T8426] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 230.168539][ T8426] EXT4-fs (loop2): This should not happen!! Data will be lost [ 230.168539][ T8426] [ 230.209362][ T8431] loop1: detected capacity change from 0 to 1024 [ 230.316883][ T8431] ext4 filesystem being mounted at /216/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 230.351658][ T8434] ext4 filesystem being mounted at /207/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 230.360022][ T8431] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1045: lblock 0 mapped to illegal pblock 0 (length 1) [ 230.370315][ T8434] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1047: lblock 0 mapped to illegal pblock 0 (length 1) [ 230.376504][ T8431] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 230.385920][ T8431] EXT4-fs (loop1): This should not happen!! Data will be lost [ 230.385920][ T8431] [ 230.407866][ T8434] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 230.407898][ T8434] EXT4-fs (loop3): This should not happen!! Data will be lost [ 230.407898][ T8434] [ 230.456548][ T8435] ext4 filesystem being mounted at /200/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 230.493017][ T8435] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1048: lblock 0 mapped to illegal pblock 0 (length 1) [ 230.498243][ T8435] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 230.498273][ T8435] EXT4-fs (loop4): This should not happen!! Data will be lost [ 230.498273][ T8435] [ 230.530832][ T8440] ext4 filesystem being mounted at /202/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 230.593293][ T8440] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1046: lblock 0 mapped to illegal pblock 0 (length 1) [ 230.593736][ T8440] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 230.593770][ T8440] EXT4-fs (loop0): This should not happen!! Data will be lost [ 230.593770][ T8440] [ 230.641443][ T8445] ext4 filesystem being mounted at /203/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 230.664895][ T8445] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1049: lblock 0 mapped to illegal pblock 0 (length 1) [ 230.670169][ T8445] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 230.670198][ T8445] EXT4-fs (loop2): This should not happen!! Data will be lost [ 230.670198][ T8445] [ 231.026109][ T8450] ext4 filesystem being mounted at /201/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 231.065920][ T8450] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1052: lblock 0 mapped to illegal pblock 0 (length 1) [ 231.094490][ T8450] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 231.094522][ T8450] EXT4-fs (loop4): This should not happen!! Data will be lost [ 231.094522][ T8450] [ 231.131797][ T8453] ext4 filesystem being mounted at /218/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 231.183653][ T8453] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1055: lblock 0 mapped to illegal pblock 0 (length 1) [ 231.185195][ T8453] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 231.185225][ T8453] EXT4-fs (loop1): This should not happen!! Data will be lost [ 231.185225][ T8453] [ 231.265921][ T8452] ext4 filesystem being mounted at /204/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 231.290531][ T8452] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1054: lblock 0 mapped to illegal pblock 0 (length 1) [ 231.291193][ T8452] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 231.291221][ T8452] EXT4-fs (loop2): This should not happen!! Data will be lost [ 231.291221][ T8452] [ 231.295442][ T8451] ext4 filesystem being mounted at /203/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 231.357174][ T8451] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1053: lblock 0 mapped to illegal pblock 0 (length 1) [ 231.360196][ T8451] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 231.360225][ T8451] EXT4-fs (loop0): This should not happen!! Data will be lost [ 231.360225][ T8451] [ 231.400514][ T8458] ext4 filesystem being mounted at /209/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 231.426444][ T8458] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1056: lblock 0 mapped to illegal pblock 0 (length 1) [ 231.469080][ T8458] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 231.469754][ T8458] EXT4-fs (loop3): This should not happen!! Data will be lost [ 231.469754][ T8458] [ 231.691644][ T8465] ext4 filesystem being mounted at /202/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 231.697411][ T8465] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1057: lblock 0 mapped to illegal pblock 0 (length 1) [ 231.722456][ T8465] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 231.722488][ T8465] EXT4-fs (loop4): This should not happen!! Data will be lost [ 231.722488][ T8465] [ 231.812596][ T8469] ext4 filesystem being mounted at /205/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 231.813311][ T8470] ext4 filesystem being mounted at /204/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 231.841385][ T8470] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1060: lblock 0 mapped to illegal pblock 0 (length 1) [ 231.859372][ T8469] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1059: lblock 0 mapped to illegal pblock 0 (length 1) [ 231.859893][ T8469] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 231.859919][ T8469] EXT4-fs (loop2): This should not happen!! Data will be lost [ 231.859919][ T8469] [ 231.870793][ T8470] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 231.870823][ T8470] EXT4-fs (loop0): This should not happen!! Data will be lost [ 231.870823][ T8470] [ 232.055346][ T8473] ext4 filesystem being mounted at /210/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 232.100718][ T8473] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1061: lblock 0 mapped to illegal pblock 0 (length 1) [ 232.113849][ T8476] ext4 filesystem being mounted at /220/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 232.117309][ T8473] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 232.117336][ T8473] EXT4-fs (loop3): This should not happen!! Data will be lost [ 232.117336][ T8473] [ 232.165512][ T8476] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1062: lblock 0 mapped to illegal pblock 0 (length 1) [ 232.197385][ T8476] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 232.197420][ T8476] EXT4-fs (loop1): This should not happen!! Data will be lost [ 232.197420][ T8476] [ 232.269817][ T8481] ext4 filesystem being mounted at /204/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 232.272952][ T8481] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1066: lblock 0 mapped to illegal pblock 0 (length 1) [ 232.274499][ T8481] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 232.274526][ T8481] EXT4-fs (loop4): This should not happen!! Data will be lost [ 232.274526][ T8481] [ 232.660812][ T8486] ext4 filesystem being mounted at /206/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 232.678156][ T7779] EXT4-fs error (device loop2): ext4_validate_block_bitmap:441: comm ext4lazyinit: bg 0: block 112: padding at end of block bitmap is not set [ 232.731989][ T8486] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1064: lblock 0 mapped to illegal pblock 0 (length 1) [ 232.752412][ T8486] EXT4-fs error (device loop2): ext4_map_blocks:783: inode #15: comm syz.2.1064: lblock 0 mapped to illegal pblock 0 (length 1) [ 232.778840][ T8486] EXT4-fs error (device loop2): ext4_map_blocks:783: inode #15: comm syz.2.1064: lblock 0 mapped to illegal pblock 0 (length 1) [ 232.780950][ T8486] EXT4-fs error (device loop2): ext4_map_blocks:783: inode #15: comm syz.2.1064: lblock 0 mapped to illegal pblock 0 (length 1) [ 232.810720][ T8490] ext4 filesystem being mounted at /212/file1 supports timestamps until 2038-01-19 (0x7fffffff) 2025/12/20 00:13:55 executed programs: 1065 [ 232.870514][ T8490] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1070: lblock 0 mapped to illegal pblock 0 (length 1) [ 232.906237][ T8490] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 232.906271][ T8490] EXT4-fs (loop3): This should not happen!! Data will be lost [ 232.906271][ T8490] [ 232.951013][ T8493] ext4 filesystem being mounted at /221/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 232.956206][ T8493] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1068: lblock 0 mapped to illegal pblock 0 (length 1) [ 232.966794][ T8492] ext4 filesystem being mounted at /206/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 232.989599][ T8491] ext4 filesystem being mounted at /205/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 232.994036][ T8491] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1069: lblock 0 mapped to illegal pblock 0 (length 1) [ 233.003117][ T8493] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 233.003145][ T8493] EXT4-fs (loop1): This should not happen!! Data will be lost [ 233.003145][ T8493] [ 233.006498][ T8492] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1071: lblock 0 mapped to illegal pblock 0 (length 1) [ 233.024755][ T8492] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 233.024787][ T8492] EXT4-fs (loop0): This should not happen!! Data will be lost [ 233.024787][ T8492] [ 233.033911][ T8491] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 233.033941][ T8491] EXT4-fs (loop4): This should not happen!! Data will be lost [ 233.033941][ T8491] [ 233.192349][ T37] kauditd_printk_skb: 69 callbacks suppressed [ 233.192367][ T37] audit: type=1800 audit(1766189635.434:1734): pid=8504 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1073" name="file1" dev="tmpfs" ino=1296 res=0 errno=0 [ 233.264181][ T8503] ext4 filesystem being mounted at /207/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 233.288580][ T37] audit: type=1800 audit(1766189635.534:1735): pid=8503 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1072" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 233.288986][ T37] audit: type=1800 audit(1766189635.534:1736): pid=8503 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1072" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 233.290695][ T8503] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1072: lblock 0 mapped to illegal pblock 0 (length 1) [ 233.291393][ T8503] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 233.291419][ T8503] EXT4-fs (loop2): This should not happen!! Data will be lost [ 233.291419][ T8503] [ 233.435290][ T37] audit: type=1800 audit(1766189635.674:1737): pid=8510 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1076" name="file1" dev="tmpfs" ino=1254 res=0 errno=0 [ 233.527604][ T37] audit: type=1800 audit(1766189635.684:1738): pid=8506 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.1075" name="file1" dev="tmpfs" ino=1260 res=0 errno=0 [ 233.527656][ T37] audit: type=1800 audit(1766189635.744:1739): pid=8508 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1077" name="file1" dev="tmpfs" ino=1302 res=0 errno=0 [ 233.527694][ T37] audit: type=1800 audit(1766189635.754:1740): pid=8511 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1079" name="file1" dev="tmpfs" ino=1260 res=0 errno=0 [ 233.647639][ T8509] ext4 filesystem being mounted at /222/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 233.694106][ T37] audit: type=1800 audit(1766189635.934:1741): pid=8513 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1078" name="file1" dev="tmpfs" ino=1266 res=0 errno=0 [ 233.748125][ T37] audit: type=1800 audit(1766189635.974:1742): pid=8509 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.1074" name="file1" dev="loop1" ino=15 res=0 errno=0 [ 233.751082][ T37] audit: type=1800 audit(1766189635.994:1743): pid=8509 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.1074" name="file1" dev="loop1" ino=15 res=0 errno=0 [ 233.766772][ T8509] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1074: lblock 0 mapped to illegal pblock 0 (length 1) [ 233.810188][ T8509] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 233.810224][ T8509] EXT4-fs (loop1): This should not happen!! Data will be lost [ 233.810224][ T8509] [ 233.870074][ T8516] ext4 filesystem being mounted at /215/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 233.915044][ T8516] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1082: lblock 0 mapped to illegal pblock 0 (length 1) [ 233.916030][ T8516] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 233.916047][ T8516] EXT4-fs (loop3): This should not happen!! Data will be lost [ 233.916047][ T8516] [ 233.960701][ T8515] set_capacity_and_notify: 24 callbacks suppressed [ 233.960714][ T8515] loop0: detected capacity change from 0 to 1024 [ 233.990499][ T8518] loop2: detected capacity change from 0 to 1024 [ 234.054811][ T8515] ext4 filesystem being mounted at /208/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 234.057630][ T8515] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1080: lblock 0 mapped to illegal pblock 0 (length 1) [ 234.059090][ T8517] ext4 filesystem being mounted at /208/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 234.079954][ T8515] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 234.079985][ T8515] EXT4-fs (loop0): This should not happen!! Data will be lost [ 234.079985][ T8515] [ 234.121366][ T8518] ext4 filesystem being mounted at /209/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 234.151209][ T8517] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1081: lblock 0 mapped to illegal pblock 0 (length 1) [ 234.156195][ T8517] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 234.156227][ T8517] EXT4-fs (loop4): This should not happen!! Data will be lost [ 234.156227][ T8517] [ 234.179009][ T8518] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1083: lblock 0 mapped to illegal pblock 0 (length 1) [ 234.207775][ T8518] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 234.207807][ T8518] EXT4-fs (loop2): This should not happen!! Data will be lost [ 234.207807][ T8518] [ 234.360339][ T8530] loop1: detected capacity change from 0 to 1024 [ 234.470144][ T8530] ext4 filesystem being mounted at /225/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 234.505988][ T8531] loop0: detected capacity change from 0 to 1024 [ 234.523470][ T8536] loop2: detected capacity change from 0 to 1024 [ 234.524275][ T8530] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1089: lblock 0 mapped to illegal pblock 0 (length 1) [ 234.529174][ T8530] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 234.529202][ T8530] EXT4-fs (loop1): This should not happen!! Data will be lost [ 234.529202][ T8530] [ 234.603761][ T8531] ext4 filesystem being mounted at /209/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 234.616412][ T8535] loop3: detected capacity change from 0 to 1024 [ 234.672315][ T8531] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1086: lblock 0 mapped to illegal pblock 0 (length 1) [ 234.677061][ T8531] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 234.677091][ T8531] EXT4-fs (loop0): This should not happen!! Data will be lost [ 234.677091][ T8531] [ 234.682127][ T8540] loop4: detected capacity change from 0 to 1024 [ 234.700971][ T8536] ext4 filesystem being mounted at /210/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 234.737563][ T8536] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1090: lblock 0 mapped to illegal pblock 0 (length 1) [ 234.737603][ T8535] ext4 filesystem being mounted at /218/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 234.765987][ T8536] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 234.766019][ T8536] EXT4-fs (loop2): This should not happen!! Data will be lost [ 234.766019][ T8536] [ 234.780754][ T8540] ext4 filesystem being mounted at /210/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 234.797673][ T8535] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1092: lblock 0 mapped to illegal pblock 0 (length 1) [ 234.820475][ T8535] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 234.820508][ T8535] EXT4-fs (loop3): This should not happen!! Data will be lost [ 234.820508][ T8535] [ 234.883802][ T8540] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1094: lblock 0 mapped to illegal pblock 0 (length 1) [ 234.920968][ T8540] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 234.920996][ T8540] EXT4-fs (loop4): This should not happen!! Data will be lost [ 234.920996][ T8540] [ 235.138713][ T8549] loop1: detected capacity change from 0 to 1024 [ 235.155533][ T8550] loop2: detected capacity change from 0 to 1024 [ 235.217792][ T8553] loop3: detected capacity change from 0 to 1024 [ 235.225959][ T8549] ext4 filesystem being mounted at /227/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 235.263905][ T8549] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1098: lblock 0 mapped to illegal pblock 0 (length 1) [ 235.273211][ T8549] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 235.273243][ T8549] EXT4-fs (loop1): This should not happen!! Data will be lost [ 235.273243][ T8549] [ 235.305506][ T8550] ext4 filesystem being mounted at /211/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 235.355180][ T8550] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1096: lblock 0 mapped to illegal pblock 0 (length 1) [ 235.360256][ T8553] ext4 filesystem being mounted at /219/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 235.363307][ T8550] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 235.363337][ T8550] EXT4-fs (loop2): This should not happen!! Data will be lost [ 235.363337][ T8550] [ 235.391555][ T8553] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1097: lblock 0 mapped to illegal pblock 0 (length 1) [ 235.408846][ T8553] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 235.408876][ T8553] EXT4-fs (loop3): This should not happen!! Data will be lost [ 235.408876][ T8553] [ 235.468973][ T8557] ext4 filesystem being mounted at /211/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 235.475960][ T8557] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1099: lblock 0 mapped to illegal pblock 0 (length 1) [ 235.480411][ T8556] ext4 filesystem being mounted at /211/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 235.492542][ T8556] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1100: lblock 0 mapped to illegal pblock 0 (length 1) [ 235.506733][ T8557] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 235.506762][ T8557] EXT4-fs (loop4): This should not happen!! Data will be lost [ 235.506762][ T8557] [ 235.507463][ T8556] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 235.507487][ T8556] EXT4-fs (loop0): This should not happen!! Data will be lost [ 235.507487][ T8556] [ 236.219598][ T8569] ext4 filesystem being mounted at /213/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 236.281725][ T8573] ext4 filesystem being mounted at /213/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 236.296297][ T8569] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1106: lblock 0 mapped to illegal pblock 0 (length 1) [ 236.313390][ T8569] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 236.313421][ T8569] EXT4-fs (loop4): This should not happen!! Data will be lost [ 236.313421][ T8569] [ 236.324600][ T8573] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1109: lblock 0 mapped to illegal pblock 0 (length 1) [ 236.331165][ T8574] ext4 filesystem being mounted at /221/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 236.340852][ T8573] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 236.340885][ T8573] EXT4-fs (loop0): This should not happen!! Data will be lost [ 236.340885][ T8573] [ 236.346990][ T8574] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1110: lblock 0 mapped to illegal pblock 0 (length 1) [ 236.372359][ T8570] ext4 filesystem being mounted at /229/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 236.408105][ T8574] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 236.408135][ T8574] EXT4-fs (loop3): This should not happen!! Data will be lost [ 236.408135][ T8574] [ 236.470509][ T8570] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1107: lblock 0 mapped to illegal pblock 0 (length 1) [ 236.480457][ T8570] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 236.480488][ T8570] EXT4-fs (loop1): This should not happen!! Data will be lost [ 236.480488][ T8570] [ 236.534128][ T8575] ext4 filesystem being mounted at /213/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 236.618568][ T8575] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1108: lblock 0 mapped to illegal pblock 0 (length 1) [ 236.669007][ T8575] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 236.669037][ T8575] EXT4-fs (loop2): This should not happen!! Data will be lost [ 236.669037][ T8575] [ 236.835024][ T8585] ext4 filesystem being mounted at /222/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 236.873748][ T8585] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1113: lblock 0 mapped to illegal pblock 0 (length 1) [ 236.898480][ T8585] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 236.898512][ T8585] EXT4-fs (loop3): This should not happen!! Data will be lost [ 236.898512][ T8585] [ 237.214362][ T8589] ext4 filesystem being mounted at /215/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 237.283823][ T8589] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1116: lblock 0 mapped to illegal pblock 0 (length 1) [ 237.284379][ T8589] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 237.284406][ T8589] EXT4-fs (loop0): This should not happen!! Data will be lost [ 237.284406][ T8589] [ 237.315398][ T8592] ext4 filesystem being mounted at /215/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 237.317745][ T8591] ext4 filesystem being mounted at /214/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 237.372121][ T8591] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1115: lblock 0 mapped to illegal pblock 0 (length 1) [ 237.393225][ T8593] ext4 filesystem being mounted at /231/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 237.398531][ T8591] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 237.398561][ T8591] EXT4-fs (loop2): This should not happen!! Data will be lost [ 237.398561][ T8591] [ 237.403518][ T8596] ext4 filesystem being mounted at /223/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 237.409494][ T8592] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1117: lblock 0 mapped to illegal pblock 0 (length 1) [ 237.424915][ T8592] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 237.424947][ T8592] EXT4-fs (loop4): This should not happen!! Data will be lost [ 237.424947][ T8592] [ 237.471305][ T8596] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1118: lblock 0 mapped to illegal pblock 0 (length 1) [ 237.473981][ T8593] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1119: lblock 0 mapped to illegal pblock 0 (length 1) [ 237.482951][ T8593] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 237.482981][ T8593] EXT4-fs (loop1): This should not happen!! Data will be lost [ 237.482981][ T8593] [ 237.486110][ T8596] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 237.486139][ T8596] EXT4-fs (loop3): This should not happen!! Data will be lost [ 237.486139][ T8596] [ 237.806847][ T8606] ext4 filesystem being mounted at /216/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 237.843656][ T8606] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1120: lblock 0 mapped to illegal pblock 0 (length 1) [ 237.873905][ T8606] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 237.873937][ T8606] EXT4-fs (loop0): This should not happen!! Data will be lost [ 237.873937][ T8606] [ 237.988344][ T8609] ext4 filesystem being mounted at /215/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 238.021097][ T8609] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1121: lblock 0 mapped to illegal pblock 0 (length 1) 2025/12/20 00:14:00 executed programs: 1118 [ 238.021718][ T8609] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 238.021745][ T8609] EXT4-fs (loop2): This should not happen!! Data will be lost [ 238.021745][ T8609] [ 238.125806][ T8611] ext4 filesystem being mounted at /224/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 238.151047][ T8611] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1122: lblock 0 mapped to illegal pblock 0 (length 1) [ 238.168119][ T8611] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 238.168151][ T8611] EXT4-fs (loop3): This should not happen!! Data will be lost [ 238.168151][ T8611] [ 238.282203][ T8614] ext4 filesystem being mounted at /232/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 238.300107][ T37] kauditd_printk_skb: 72 callbacks suppressed [ 238.300126][ T37] audit: type=1800 audit(1766189640.544:1816): pid=8614 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.1124" name="file1" dev="loop1" ino=15 res=0 errno=0 [ 238.300735][ T37] audit: type=1800 audit(1766189640.544:1817): pid=8614 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.1124" name="file1" dev="loop1" ino=15 res=0 errno=0 [ 238.302540][ T8614] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1124: lblock 0 mapped to illegal pblock 0 (length 1) [ 238.315576][ T8616] ext4 filesystem being mounted at /217/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 238.327894][ T37] audit: type=1800 audit(1766189640.564:1818): pid=8616 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1126" name="file1" dev="loop4" ino=15 res=0 errno=0 [ 238.328849][ T37] audit: type=1800 audit(1766189640.574:1819): pid=8616 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1126" name="file1" dev="loop4" ino=15 res=0 errno=0 [ 238.330566][ T8616] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1126: lblock 0 mapped to illegal pblock 0 (length 1) [ 238.393930][ T8614] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 238.393963][ T8614] EXT4-fs (loop1): This should not happen!! Data will be lost [ 238.393963][ T8614] [ 238.404883][ T8616] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 238.404912][ T8616] EXT4-fs (loop4): This should not happen!! Data will be lost [ 238.404912][ T8616] [ 238.612315][ T8624] ext4 filesystem being mounted at /216/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 238.633215][ T37] audit: type=1800 audit(1766189640.864:1820): pid=8624 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1127" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 238.634001][ T37] audit: type=1800 audit(1766189640.874:1821): pid=8624 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1127" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 238.635787][ T8624] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1127: lblock 0 mapped to illegal pblock 0 (length 1) [ 238.644699][ T8624] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 238.644742][ T8624] EXT4-fs (loop2): This should not happen!! Data will be lost [ 238.644742][ T8624] [ 238.660446][ T8623] ext4 filesystem being mounted at /225/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 238.768115][ T37] audit: type=1800 audit(1766189641.004:1822): pid=8623 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1128" name="file1" dev="loop3" ino=15 res=0 errno=0 [ 238.793906][ T37] audit: type=1800 audit(1766189641.034:1823): pid=8623 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1128" name="file1" dev="loop3" ino=15 res=0 errno=0 [ 238.799933][ T8623] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1128: lblock 0 mapped to illegal pblock 0 (length 1) [ 238.800593][ T8623] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 238.800618][ T8623] EXT4-fs (loop3): This should not happen!! Data will be lost [ 238.800618][ T8623] [ 238.850381][ T37] audit: type=1800 audit(1766189641.094:1824): pid=8629 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1130" name="file1" dev="tmpfs" ino=1326 res=0 errno=0 [ 238.861351][ T8622] ext4 filesystem being mounted at /217/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 238.891964][ T37] audit: type=1800 audit(1766189641.134:1825): pid=8622 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.1125" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 238.933043][ T8622] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1125: lblock 0 mapped to illegal pblock 0 (length 1) [ 238.933607][ T8622] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 238.933634][ T8622] EXT4-fs (loop0): This should not happen!! Data will be lost [ 238.933634][ T8622] [ 238.998821][ T8630] set_capacity_and_notify: 21 callbacks suppressed [ 238.998839][ T8630] loop1: detected capacity change from 0 to 1024 [ 239.097904][ T8633] loop3: detected capacity change from 0 to 1024 [ 239.106110][ T8630] ext4 filesystem being mounted at /233/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 239.130681][ T8630] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1129: lblock 0 mapped to illegal pblock 0 (length 1) [ 239.131133][ T8630] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 239.131168][ T8630] EXT4-fs (loop1): This should not happen!! Data will be lost [ 239.131168][ T8630] [ 239.217697][ T8633] ext4 filesystem being mounted at /226/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 239.231778][ T8636] loop4: detected capacity change from 0 to 1024 [ 239.239765][ T8637] loop2: detected capacity change from 0 to 1024 [ 239.275437][ T8633] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1132: lblock 0 mapped to illegal pblock 0 (length 1) [ 239.288132][ T8633] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 239.288165][ T8633] EXT4-fs (loop3): This should not happen!! Data will be lost [ 239.288165][ T8633] [ 239.350982][ T8637] ext4 filesystem being mounted at /217/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 239.360428][ T8636] ext4 filesystem being mounted at /219/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 239.435376][ T8637] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1131: lblock 0 mapped to illegal pblock 0 (length 1) [ 239.437265][ T8637] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 239.437294][ T8637] EXT4-fs (loop2): This should not happen!! Data will be lost [ 239.437294][ T8637] [ 239.481755][ T8640] loop0: detected capacity change from 0 to 1024 [ 239.507844][ T8636] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1133: lblock 0 mapped to illegal pblock 0 (length 1) [ 239.533369][ T8636] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 239.533403][ T8636] EXT4-fs (loop4): This should not happen!! Data will be lost [ 239.533403][ T8636] [ 239.573299][ T8640] ext4 filesystem being mounted at /218/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 239.606200][ T8645] loop1: detected capacity change from 0 to 1024 [ 239.630091][ T8640] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1134: lblock 0 mapped to illegal pblock 0 (length 1) [ 239.651566][ T8640] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 239.651597][ T8640] EXT4-fs (loop0): This should not happen!! Data will be lost [ 239.651597][ T8640] [ 239.696419][ T8645] ext4 filesystem being mounted at /234/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 239.723309][ T8650] loop3: detected capacity change from 0 to 1024 [ 239.766175][ T8645] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1135: lblock 0 mapped to illegal pblock 0 (length 1) [ 239.768101][ T8645] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 239.768126][ T8645] EXT4-fs (loop1): This should not happen!! Data will be lost [ 239.768126][ T8645] [ 239.802436][ T8650] ext4 filesystem being mounted at /227/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 239.870401][ T8651] loop2: detected capacity change from 0 to 1024 [ 239.882363][ T8650] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1136: lblock 0 mapped to illegal pblock 0 (length 1) [ 239.883037][ T8650] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 239.883062][ T8650] EXT4-fs (loop3): This should not happen!! Data will be lost [ 239.883062][ T8650] [ 239.956989][ T8651] ext4 filesystem being mounted at /218/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 239.994651][ T8651] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1137: lblock 0 mapped to illegal pblock 0 (length 1) [ 240.019506][ T8651] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 240.019538][ T8651] EXT4-fs (loop2): This should not happen!! Data will be lost [ 240.019538][ T8651] [ 240.078954][ T8654] loop4: detected capacity change from 0 to 1024 [ 240.187457][ T8661] loop0: detected capacity change from 0 to 1024 [ 240.223188][ T8654] ext4 filesystem being mounted at /220/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 240.277629][ T8654] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1138: lblock 0 mapped to illegal pblock 0 (length 1) [ 240.280559][ T8654] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 240.280593][ T8654] EXT4-fs (loop4): This should not happen!! Data will be lost [ 240.280593][ T8654] [ 240.304901][ T8662] ext4 filesystem being mounted at /228/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 240.356706][ T8661] ext4 filesystem being mounted at /220/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 240.366641][ T8658] ext4 filesystem being mounted at /235/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 240.383870][ T8662] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1141: lblock 0 mapped to illegal pblock 0 (length 1) [ 240.402255][ T8661] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1143: lblock 0 mapped to illegal pblock 0 (length 1) [ 240.414395][ T8658] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1140: lblock 0 mapped to illegal pblock 0 (length 1) [ 240.424712][ T8661] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 240.424743][ T8661] EXT4-fs (loop0): This should not happen!! Data will be lost [ 240.424743][ T8661] [ 240.425421][ T8658] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 240.425444][ T8658] EXT4-fs (loop1): This should not happen!! Data will be lost [ 240.425444][ T8658] [ 240.443105][ T8662] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 240.443135][ T8662] EXT4-fs (loop3): This should not happen!! Data will be lost [ 240.443135][ T8662] [ 240.644489][ T8669] ext4 filesystem being mounted at /219/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 240.710937][ T8669] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1142: lblock 0 mapped to illegal pblock 0 (length 1) [ 240.736173][ T8669] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 240.736207][ T8669] EXT4-fs (loop2): This should not happen!! Data will be lost [ 240.736207][ T8669] [ 240.796112][ T8670] ext4 filesystem being mounted at /221/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 240.821510][ T8670] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1145: lblock 0 mapped to illegal pblock 0 (length 1) [ 240.838651][ T8670] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 240.838680][ T8670] EXT4-fs (loop0): This should not happen!! Data will be lost [ 240.838680][ T8670] [ 241.021022][ T5929] EXT4-fs unmount: 316 callbacks suppressed [ 241.021044][ T5929] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 241.111915][ T5922] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 241.210989][ T8680] EXT4-fs (loop1): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 241.211217][ T8680] ext4 filesystem being mounted at /237/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 241.286608][ T8681] EXT4-fs (loop3): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 241.286775][ T8681] ext4 filesystem being mounted at /232/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 241.323907][ T8680] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1151: lblock 0 mapped to illegal pblock 0 (length 1) [ 241.324493][ T8680] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 241.324520][ T8680] EXT4-fs (loop1): This should not happen!! Data will be lost [ 241.324520][ T8680] [ 241.341008][ T8682] EXT4-fs (loop4): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 241.341140][ T8682] ext4 filesystem being mounted at /222/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 241.379494][ T8681] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1154: lblock 0 mapped to illegal pblock 0 (length 1) [ 241.393879][ T8681] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 241.393914][ T8681] EXT4-fs (loop3): This should not happen!! Data will be lost [ 241.393914][ T8681] [ 241.439796][ T8682] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1153: lblock 0 mapped to illegal pblock 0 (length 1) [ 241.444899][ T8682] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 241.444925][ T8682] EXT4-fs (loop4): This should not happen!! Data will be lost [ 241.444925][ T8682] [ 241.567679][ T5934] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 241.575995][ T5923] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 241.615682][ T8691] EXT4-fs (loop2): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 241.615829][ T8691] ext4 filesystem being mounted at /221/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 241.633558][ T8691] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1155: lblock 0 mapped to illegal pblock 0 (length 1) [ 241.634209][ T8691] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 241.634234][ T8691] EXT4-fs (loop2): This should not happen!! Data will be lost [ 241.634234][ T8691] [ 241.660012][ T5932] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 241.696988][ T8690] EXT4-fs (loop0): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 241.697132][ T8690] ext4 filesystem being mounted at /222/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 241.759384][ T8690] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1148: lblock 0 mapped to illegal pblock 0 (length 1) [ 241.759915][ T8690] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 241.759941][ T8690] EXT4-fs (loop0): This should not happen!! Data will be lost [ 241.759941][ T8690] [ 241.866790][ T5929] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 241.925291][ T5922] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 241.943486][ T8694] EXT4-fs (loop4): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 241.943640][ T8694] ext4 filesystem being mounted at /223/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 241.961712][ T8694] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1157: lblock 0 mapped to illegal pblock 0 (length 1) [ 241.965336][ T8694] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 241.965365][ T8694] EXT4-fs (loop4): This should not happen!! Data will be lost [ 241.965365][ T8694] [ 242.063565][ T8697] EXT4-fs (loop1): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 242.063703][ T8697] ext4 filesystem being mounted at /238/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 242.154310][ T8697] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1158: lblock 0 mapped to illegal pblock 0 (length 1) [ 242.157881][ T8697] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 242.157910][ T8697] EXT4-fs (loop1): This should not happen!! Data will be lost [ 242.157910][ T8697] [ 242.309221][ T8703] EXT4-fs (loop0): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 242.309376][ T8703] ext4 filesystem being mounted at /223/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 242.331211][ T5923] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 242.352857][ T5934] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 242.378844][ T8708] EXT4-fs (loop2): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 242.378987][ T8708] ext4 filesystem being mounted at /223/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 242.424348][ T8703] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1160: lblock 0 mapped to illegal pblock 0 (length 1) [ 242.425014][ T8703] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 242.425040][ T8703] EXT4-fs (loop0): This should not happen!! Data will be lost [ 242.425040][ T8703] [ 242.447287][ T8705] EXT4-fs (loop3): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 242.447430][ T8705] ext4 filesystem being mounted at /234/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 242.497067][ T8708] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1164: lblock 0 mapped to illegal pblock 0 (length 1) [ 242.512550][ T8708] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 242.512582][ T8708] EXT4-fs (loop2): This should not happen!! Data will be lost [ 242.512582][ T8708] [ 242.514853][ T8705] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1161: lblock 0 mapped to illegal pblock 0 (length 1) [ 242.543471][ T8705] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 242.543506][ T8705] EXT4-fs (loop3): This should not happen!! Data will be lost [ 242.543506][ T8705] [ 242.717328][ T5922] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 242.721287][ T5929] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 242.724164][ T5932] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 242.804711][ T8713] EXT4-fs (loop1): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 242.804853][ T8713] ext4 filesystem being mounted at /239/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 242.872550][ T8713] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1163: lblock 0 mapped to illegal pblock 0 (length 1) [ 242.894068][ T8713] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 242.894100][ T8713] EXT4-fs (loop1): This should not happen!! Data will be lost [ 242.894100][ T8713] 2025/12/20 00:14:05 executed programs: 1164 [ 243.033948][ T8718] EXT4-fs (loop4): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 243.034095][ T8718] ext4 filesystem being mounted at /226/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 243.120272][ T8718] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1167: lblock 0 mapped to illegal pblock 0 (length 1) [ 243.120842][ T8718] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 243.120869][ T8718] EXT4-fs (loop4): This should not happen!! Data will be lost [ 243.120869][ T8718] [ 243.166858][ T5923] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 243.171838][ T8721] EXT4-fs (loop3): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 243.171977][ T8721] ext4 filesystem being mounted at /235/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 243.176330][ T8721] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1169: lblock 0 mapped to illegal pblock 0 (length 1) [ 243.196739][ T8725] EXT4-fs (loop0): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 243.196871][ T8725] ext4 filesystem being mounted at /225/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 243.227742][ T8725] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1172: lblock 0 mapped to illegal pblock 0 (length 1) [ 243.270043][ T8725] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 243.270066][ T8725] EXT4-fs (loop0): This should not happen!! Data will be lost [ 243.270066][ T8725] [ 243.335764][ T37] kauditd_printk_skb: 70 callbacks suppressed [ 243.335782][ T37] audit: type=1800 audit(1766189645.574:1896): pid=8730 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.1170" name="file1" dev="tmpfs" ino=1458 res=0 errno=0 [ 243.345879][ T8721] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 243.345910][ T8721] EXT4-fs (loop3): This should not happen!! Data will be lost [ 243.345910][ T8721] [ 243.373205][ T5934] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 243.405853][ T5922] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 243.462145][ T8729] EXT4-fs (loop2): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 243.462282][ T8729] ext4 filesystem being mounted at /225/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 243.561898][ T37] audit: type=1800 audit(1766189645.774:1897): pid=8733 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.1174" name="file1" dev="tmpfs" ino=1374 res=0 errno=0 [ 243.561953][ T37] audit: type=1800 audit(1766189645.794:1898): pid=8729 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1171" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 243.579059][ T37] audit: type=1800 audit(1766189645.804:1899): pid=8729 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1171" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 243.581249][ T8729] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1171: lblock 0 mapped to illegal pblock 0 (length 1) [ 243.597412][ T5932] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 243.599491][ T8729] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 243.599518][ T8729] EXT4-fs (loop2): This should not happen!! Data will be lost [ 243.599518][ T8729] [ 243.664949][ T37] audit: type=1800 audit(1766189645.884:1900): pid=8734 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1173" name="file1" dev="tmpfs" ino=1380 res=0 errno=0 [ 243.765585][ T37] audit: type=1800 audit(1766189646.004:1901): pid=8739 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1179" name="file1" dev="tmpfs" ino=1386 res=0 errno=0 [ 243.800487][ T8735] EXT4-fs (loop1): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 243.854934][ T5929] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 243.859837][ T8735] ext4 filesystem being mounted at /241/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 243.862063][ T37] audit: type=1800 audit(1766189646.104:1902): pid=8735 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.1175" name="file1" dev="loop1" ino=15 res=0 errno=0 [ 243.862483][ T37] audit: type=1800 audit(1766189646.104:1903): pid=8735 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.1.1175" name="file1" dev="loop1" ino=15 res=0 errno=0 [ 243.864123][ T8735] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1175: lblock 0 mapped to illegal pblock 0 (length 1) [ 243.868297][ T8735] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 243.868326][ T8735] EXT4-fs (loop1): This should not happen!! Data will be lost [ 243.868326][ T8735] [ 243.958565][ T37] audit: type=1800 audit(1766189646.164:1904): pid=8738 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.1177" name="file1" dev="tmpfs" ino=1380 res=0 errno=0 [ 244.103328][ T8741] EXT4-fs (loop4): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 244.103478][ T8741] ext4 filesystem being mounted at /229/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 244.117270][ T8736] EXT4-fs (loop3): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 244.117420][ T8736] ext4 filesystem being mounted at /236/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 244.125628][ T5923] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 244.147110][ T37] audit: type=1800 audit(1766189646.364:1905): pid=8736 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1176" name="file1" dev="loop3" ino=15 res=0 errno=0 [ 244.159891][ T8736] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1176: lblock 0 mapped to illegal pblock 0 (length 1) [ 244.160524][ T8736] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 244.160549][ T8736] EXT4-fs (loop3): This should not happen!! Data will be lost [ 244.160549][ T8736] [ 244.166671][ T8747] set_capacity_and_notify: 22 callbacks suppressed [ 244.166687][ T8747] loop0: detected capacity change from 0 to 1024 [ 244.181081][ T8741] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1180: lblock 0 mapped to illegal pblock 0 (length 1) [ 244.182135][ T8741] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 244.182160][ T8741] EXT4-fs (loop4): This should not happen!! Data will be lost [ 244.182160][ T8741] [ 244.218547][ T8744] loop2: detected capacity change from 0 to 1024 [ 244.277566][ T8747] EXT4-fs (loop0): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 244.277705][ T8747] ext4 filesystem being mounted at /228/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 244.314289][ T8744] EXT4-fs (loop2): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 244.314431][ T8744] ext4 filesystem being mounted at /226/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 244.317410][ T8747] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1182: lblock 0 mapped to illegal pblock 0 (length 1) [ 244.358539][ T8747] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 244.358569][ T8747] EXT4-fs (loop0): This should not happen!! Data will be lost [ 244.358569][ T8747] [ 244.411836][ T8744] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1178: lblock 0 mapped to illegal pblock 0 (length 1) [ 244.416022][ T5932] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 244.419273][ T5934] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 244.420344][ T8748] loop1: detected capacity change from 0 to 1024 [ 244.427581][ T8744] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 244.427620][ T8744] EXT4-fs (loop2): This should not happen!! Data will be lost [ 244.427620][ T8744] [ 244.574659][ T8753] loop3: detected capacity change from 0 to 1024 [ 244.590732][ T8748] EXT4-fs (loop1): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 244.590931][ T8748] ext4 filesystem being mounted at /242/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 244.652690][ T8748] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1181: lblock 0 mapped to illegal pblock 0 (length 1) [ 244.653405][ T8748] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 244.653433][ T8748] EXT4-fs (loop1): This should not happen!! Data will be lost [ 244.653433][ T8748] [ 244.710500][ T8753] EXT4-fs (loop3): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 244.710658][ T8753] ext4 filesystem being mounted at /237/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 244.715079][ T8753] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1184: lblock 0 mapped to illegal pblock 0 (length 1) [ 244.720081][ T5922] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 244.729181][ T5929] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 244.791214][ T8753] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 244.791246][ T8753] EXT4-fs (loop3): This should not happen!! Data will be lost [ 244.791246][ T8753] [ 244.870721][ T8759] loop0: detected capacity change from 0 to 1024 [ 244.907780][ T5923] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 244.913736][ T8761] loop4: detected capacity change from 0 to 1024 [ 244.933647][ T8759] EXT4-fs (loop0): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 244.933772][ T8759] ext4 filesystem being mounted at /229/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 244.946473][ T5932] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 244.959707][ T8759] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1185: lblock 0 mapped to illegal pblock 0 (length 1) [ 245.018372][ T8759] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 245.018403][ T8759] EXT4-fs (loop0): This should not happen!! Data will be lost [ 245.018403][ T8759] [ 245.128134][ T8765] loop2: detected capacity change from 0 to 1024 [ 245.154571][ T5922] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 245.208576][ T8761] EXT4-fs (loop4): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 245.210645][ T8761] ext4 filesystem being mounted at /231/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 245.214161][ T8766] loop1: detected capacity change from 0 to 1024 [ 245.221097][ T8765] EXT4-fs (loop2): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 245.221238][ T8765] ext4 filesystem being mounted at /228/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 245.225078][ T8761] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1188: lblock 0 mapped to illegal pblock 0 (length 1) [ 245.244767][ T8767] loop3: detected capacity change from 0 to 1024 [ 245.252319][ T8765] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1190: lblock 0 mapped to illegal pblock 0 (length 1) [ 245.268932][ T8761] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 245.268964][ T8761] EXT4-fs (loop4): This should not happen!! Data will be lost [ 245.268964][ T8761] [ 245.303772][ T8765] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 245.303801][ T8765] EXT4-fs (loop2): This should not happen!! Data will be lost [ 245.303801][ T8765] [ 245.318419][ T8766] EXT4-fs (loop1): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 245.318561][ T8766] ext4 filesystem being mounted at /243/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 245.343037][ T8766] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1187: lblock 0 mapped to illegal pblock 0 (length 1) [ 245.346713][ T8766] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 245.346741][ T8766] EXT4-fs (loop1): This should not happen!! Data will be lost [ 245.346741][ T8766] [ 245.391158][ T8767] EXT4-fs (loop3): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 245.391298][ T8767] ext4 filesystem being mounted at /238/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 245.476203][ T8767] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1189: lblock 0 mapped to illegal pblock 0 (length 1) [ 245.487398][ T8767] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 245.487435][ T8767] EXT4-fs (loop3): This should not happen!! Data will be lost [ 245.487435][ T8767] [ 245.491545][ T5929] EXT4-fs (loop2): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 245.545240][ T8776] loop0: detected capacity change from 0 to 1024 [ 245.546086][ T5934] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 245.593358][ T5923] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 245.698913][ T5932] EXT4-fs (loop3): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 245.726525][ T8776] EXT4-fs (loop0): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 245.726681][ T8776] ext4 filesystem being mounted at /231/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 245.797777][ T8776] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1194: lblock 0 mapped to illegal pblock 0 (length 1) [ 245.824893][ T8776] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 245.824926][ T8776] EXT4-fs (loop0): This should not happen!! Data will be lost [ 245.824926][ T8776] [ 245.990073][ T8784] EXT4-fs (loop1): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 245.990214][ T8784] ext4 filesystem being mounted at /245/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 245.994799][ T8783] EXT4-fs (loop4): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 245.994945][ T8783] ext4 filesystem being mounted at /233/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 246.012260][ T8783] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1197: lblock 0 mapped to illegal pblock 0 (length 1) [ 246.042674][ T8784] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1198: lblock 0 mapped to illegal pblock 0 (length 1) [ 246.049615][ T8784] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 246.049647][ T8784] EXT4-fs (loop1): This should not happen!! Data will be lost [ 246.049647][ T8784] [ 246.050359][ T8783] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 246.050384][ T8783] EXT4-fs (loop4): This should not happen!! Data will be lost [ 246.050384][ T8783] [ 246.091915][ T5922] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 246.152735][ T5934] EXT4-fs (loop4): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 246.172343][ T8786] EXT4-fs (loop2): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 246.172443][ T8786] ext4 filesystem being mounted at /230/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 246.185527][ T5923] EXT4-fs (loop1): unmounting filesystem 00000000-0000-0006-0000-000000000000. [ 246.231636][ T8786] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1199: lblock 0 mapped to illegal pblock 0 (length 1) [ 246.238184][ T8786] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 246.238215][ T8786] EXT4-fs (loop2): This should not happen!! Data will be lost [ 246.238215][ T8786] [ 246.341483][ T8785] EXT4-fs (loop3): mounted filesystem 00000000-0000-0006-0000-000000000000 r/w without journal. Quota mode: none. [ 246.341631][ T8785] ext4 filesystem being mounted at /239/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 246.357777][ T8785] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1196: lblock 0 mapped to illegal pblock 0 (length 1) [ 246.398611][ T8785] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 246.398641][ T8785] EXT4-fs (loop3): This should not happen!! Data will be lost [ 246.398641][ T8785] [ 246.582477][ T8797] ext4 filesystem being mounted at /234/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 246.587644][ T8797] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1201: lblock 0 mapped to illegal pblock 0 (length 1) [ 246.612668][ T8797] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 246.612697][ T8797] EXT4-fs (loop4): This should not happen!! Data will be lost [ 246.612697][ T8797] [ 246.947685][ T8802] ext4 filesystem being mounted at /233/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 246.992282][ T8802] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1205: lblock 0 mapped to illegal pblock 0 (length 1) [ 246.996943][ T8802] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 246.996973][ T8802] EXT4-fs (loop0): This should not happen!! Data will be lost [ 246.996973][ T8802] [ 247.003954][ T8806] ext4 filesystem being mounted at /233/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 247.083948][ T8806] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1208: lblock 0 mapped to illegal pblock 0 (length 1) [ 247.084530][ T8806] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 247.096856][ T8806] EXT4-fs (loop2): This should not happen!! Data will be lost [ 247.096856][ T8806] [ 247.129995][ T8811] ext4 filesystem being mounted at /247/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 247.137819][ T8811] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1209: lblock 0 mapped to illegal pblock 0 (length 1) [ 247.171277][ T8810] ext4 filesystem being mounted at /240/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 247.217439][ T8810] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1204: lblock 0 mapped to illegal pblock 0 (length 1) [ 247.218817][ T8811] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 247.218845][ T8811] EXT4-fs (loop1): This should not happen!! Data will be lost [ 247.218845][ T8811] [ 247.239399][ T8810] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 247.239439][ T8810] EXT4-fs (loop3): This should not happen!! Data will be lost [ 247.239439][ T8810] [ 247.375288][ T8819] ext4 filesystem being mounted at /236/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 247.431363][ T8819] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1210: lblock 0 mapped to illegal pblock 0 (length 1) [ 247.432381][ T8819] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 247.432413][ T8819] EXT4-fs (loop4): This should not happen!! Data will be lost [ 247.432413][ T8819] [ 247.571550][ T8824] ext4 filesystem being mounted at /236/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 247.579238][ T8824] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1216: lblock 0 mapped to illegal pblock 0 (length 1) [ 247.605870][ T8824] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 247.605900][ T8824] EXT4-fs (loop2): This should not happen!! Data will be lost [ 247.605900][ T8824] [ 247.782725][ T8825] ext4 filesystem being mounted at /234/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 247.787009][ T8825] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1211: lblock 0 mapped to illegal pblock 0 (length 1) [ 247.824260][ T8825] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 247.824291][ T8825] EXT4-fs (loop0): This should not happen!! Data will be lost [ 247.824291][ T8825] [ 248.013422][ T8833] ext4 filesystem being mounted at /242/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 248.045697][ T8833] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1218: lblock 0 mapped to illegal pblock 0 (length 1) [ 248.046931][ T8833] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 248.046959][ T8833] EXT4-fs (loop3): This should not happen!! Data will be lost [ 248.046959][ T8833] [ 248.103763][ T8832] ext4 filesystem being mounted at /237/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 248.106875][ T8832] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1217: lblock 0 mapped to illegal pblock 0 (length 1) [ 248.131441][ T8832] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 248.131609][ T8832] EXT4-fs (loop4): This should not happen!! Data will be lost [ 248.131609][ T8832] 2025/12/20 00:14:10 executed programs: 1215 [ 248.177491][ T8834] ext4 filesystem being mounted at /249/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 248.254892][ T8834] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1221: lblock 0 mapped to illegal pblock 0 (length 1) [ 248.288126][ T8834] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 248.288160][ T8834] EXT4-fs (loop1): This should not happen!! Data will be lost [ 248.288160][ T8834] [ 248.360865][ T8841] ext4 filesystem being mounted at /235/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 248.400355][ T37] kauditd_printk_skb: 68 callbacks suppressed [ 248.400373][ T37] audit: type=1800 audit(1766189650.604:1974): pid=8841 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.1220" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 248.400958][ T37] audit: type=1800 audit(1766189650.644:1975): pid=8841 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.0.1220" name="file1" dev="loop0" ino=15 res=0 errno=0 [ 248.439851][ T8841] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1220: lblock 0 mapped to illegal pblock 0 (length 1) [ 248.443864][ T8841] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 248.443894][ T8841] EXT4-fs (loop0): This should not happen!! Data will be lost [ 248.443894][ T8841] [ 248.446116][ T8842] ext4 filesystem being mounted at /237/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 248.467600][ T8842] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1219: lblock 0 mapped to illegal pblock 0 (length 1) [ 248.468237][ T37] audit: type=1800 audit(1766189650.704:1976): pid=8842 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1219" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 248.468284][ T37] audit: type=1800 audit(1766189650.704:1977): pid=8842 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.2.1219" name="file1" dev="loop2" ino=15 res=0 errno=0 [ 248.469122][ T8842] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 248.469148][ T8842] EXT4-fs (loop2): This should not happen!! Data will be lost [ 248.469148][ T8842] [ 248.510618][ T37] audit: type=1800 audit(1766189650.754:1978): pid=8846 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1222" name="file1" dev="tmpfs" ino=1476 res=0 errno=0 [ 248.555244][ T8847] ext4 filesystem being mounted at /238/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 248.565190][ T37] audit: type=1800 audit(1766189650.804:1979): pid=8850 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1227" name="file1" dev="tmpfs" ino=1482 res=0 errno=0 [ 248.569820][ T37] audit: type=1800 audit(1766189650.814:1980): pid=8847 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1223" name="file1" dev="loop4" ino=15 res=0 errno=0 [ 248.570355][ T37] audit: type=1800 audit(1766189650.814:1981): pid=8847 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.4.1223" name="file1" dev="loop4" ino=15 res=0 errno=0 [ 248.572011][ T8847] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1223: lblock 0 mapped to illegal pblock 0 (length 1) [ 248.575576][ T8847] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 248.575606][ T8847] EXT4-fs (loop4): This should not happen!! Data will be lost [ 248.575606][ T8847] [ 248.625959][ T37] audit: type=1800 audit(1766189650.864:1982): pid=8853 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1228" name="file1" dev="tmpfs" ino=1488 res=0 errno=0 [ 248.675332][ T37] audit: type=1800 audit(1766189650.914:1983): pid=8854 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz.3.1230" name="file1" dev="tmpfs" ino=1494 res=0 errno=0 [ 248.826293][ T8855] ext4 filesystem being mounted at /247/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 248.893749][ T8855] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1231: lblock 0 mapped to illegal pblock 0 (length 1) [ 248.918668][ T8855] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 248.918701][ T8855] EXT4-fs (loop3): This should not happen!! Data will be lost [ 248.918701][ T8855] [ 249.107861][ T8858] ext4 filesystem being mounted at /250/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 249.132449][ T8858] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1224: lblock 0 mapped to illegal pblock 0 (length 1) [ 249.148153][ T8858] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 249.148187][ T8858] EXT4-fs (loop1): This should not happen!! Data will be lost [ 249.148187][ T8858] [ 249.318764][ T8865] set_capacity_and_notify: 20 callbacks suppressed [ 249.318784][ T8865] loop2: detected capacity change from 0 to 1024 [ 249.401329][ T8865] ext4 filesystem being mounted at /239/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 249.403935][ T8864] loop3: detected capacity change from 0 to 1024 [ 249.457877][ T8868] loop0: detected capacity change from 0 to 1024 [ 249.507181][ T8865] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1234: lblock 0 mapped to illegal pblock 0 (length 1) [ 249.553073][ T8865] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 249.553103][ T8865] EXT4-fs (loop2): This should not happen!! Data will be lost [ 249.553103][ T8865] [ 249.565232][ T8867] loop4: detected capacity change from 0 to 1024 [ 249.594972][ T8864] ext4 filesystem being mounted at /248/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 249.596426][ T8868] ext4 filesystem being mounted at /237/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 249.633141][ T8864] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1232: lblock 0 mapped to illegal pblock 0 (length 1) [ 249.636837][ T8864] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 249.636868][ T8864] EXT4-fs (loop3): This should not happen!! Data will be lost [ 249.636868][ T8864] [ 249.657336][ T8868] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1235: lblock 0 mapped to illegal pblock 0 (length 1) [ 249.679668][ T8868] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 249.679701][ T8868] EXT4-fs (loop0): This should not happen!! Data will be lost [ 249.679701][ T8868] [ 249.726796][ T8867] ext4 filesystem being mounted at /240/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 249.769742][ T8874] loop1: detected capacity change from 0 to 1024 [ 249.784771][ T8867] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1236: lblock 0 mapped to illegal pblock 0 (length 1) [ 249.786055][ T8867] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 249.786082][ T8867] EXT4-fs (loop4): This should not happen!! Data will be lost [ 249.786082][ T8867] [ 249.907427][ T8874] ext4 filesystem being mounted at /252/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 249.965417][ T8874] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1237: lblock 0 mapped to illegal pblock 0 (length 1) [ 249.984921][ T8874] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 249.984955][ T8874] EXT4-fs (loop1): This should not happen!! Data will be lost [ 249.984955][ T8874] [ 250.046614][ T8881] loop2: detected capacity change from 0 to 1024 [ 250.098647][ T8882] loop3: detected capacity change from 0 to 1024 [ 250.132470][ T8881] ext4 filesystem being mounted at /241/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 250.151579][ T8881] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1242: lblock 0 mapped to illegal pblock 0 (length 1) [ 250.185866][ T8881] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 250.185898][ T8881] EXT4-fs (loop2): This should not happen!! Data will be lost [ 250.185898][ T8881] [ 250.241339][ T8882] ext4 filesystem being mounted at /249/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 250.278578][ T8882] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1239: lblock 0 mapped to illegal pblock 0 (length 1) [ 250.279214][ T8882] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 250.279241][ T8882] EXT4-fs (loop3): This should not happen!! Data will be lost [ 250.279241][ T8882] [ 250.369223][ T8885] loop4: detected capacity change from 0 to 1024 [ 250.432957][ T8885] ext4 filesystem being mounted at /241/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 250.449857][ T8885] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1241: lblock 0 mapped to illegal pblock 0 (length 1) [ 250.471404][ T8885] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 250.471435][ T8885] EXT4-fs (loop4): This should not happen!! Data will be lost [ 250.471435][ T8885] [ 250.527200][ T8892] loop1: detected capacity change from 0 to 1024 [ 250.601724][ T8889] loop0: detected capacity change from 0 to 1024 [ 250.623807][ T8892] ext4 filesystem being mounted at /253/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 250.659672][ T8892] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1243: lblock 0 mapped to illegal pblock 0 (length 1) [ 250.670199][ T8892] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 250.670377][ T8892] EXT4-fs (loop1): This should not happen!! Data will be lost [ 250.670377][ T8892] [ 250.709038][ T8893] ext4 filesystem being mounted at /250/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 250.722378][ T8894] ext4 filesystem being mounted at /242/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 250.756122][ T8889] ext4 filesystem being mounted at /239/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 250.763289][ T8893] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1246: lblock 0 mapped to illegal pblock 0 (length 1) [ 250.777619][ T8893] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 250.777652][ T8893] EXT4-fs (loop3): This should not happen!! Data will be lost [ 250.777652][ T8893] [ 250.807309][ T8894] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1245: lblock 0 mapped to illegal pblock 0 (length 1) [ 250.830127][ T8894] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 250.830157][ T8894] EXT4-fs (loop2): This should not happen!! Data will be lost [ 250.830157][ T8894] [ 250.855816][ T8889] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1244: lblock 0 mapped to illegal pblock 0 (length 1) [ 250.886633][ T8889] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 250.886665][ T8889] EXT4-fs (loop0): This should not happen!! Data will be lost [ 250.886665][ T8889] [ 251.109602][ T8903] ext4 filesystem being mounted at /242/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 251.122334][ T8903] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1247: lblock 0 mapped to illegal pblock 0 (length 1) [ 251.170015][ T8903] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 251.170048][ T8903] EXT4-fs (loop4): This should not happen!! Data will be lost [ 251.170048][ T8903] [ 251.446885][ T8907] ext4 filesystem being mounted at /254/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 251.467149][ T8907] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1248: lblock 0 mapped to illegal pblock 0 (length 1) [ 251.499833][ T8907] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 251.499865][ T8907] EXT4-fs (loop1): This should not happen!! Data will be lost [ 251.499865][ T8907] [ 251.523031][ T8909] ext4 filesystem being mounted at /243/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 251.534341][ T8910] ext4 filesystem being mounted at /241/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 251.595946][ T8911] ext4 filesystem being mounted at /252/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 251.616334][ T8910] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1254: lblock 0 mapped to illegal pblock 0 (length 1) [ 251.616853][ T8910] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 251.616886][ T8910] EXT4-fs (loop0): This should not happen!! Data will be lost [ 251.616886][ T8910] [ 251.625289][ T8909] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1251: lblock 0 mapped to illegal pblock 0 (length 1) [ 251.640105][ T8911] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1253: lblock 0 mapped to illegal pblock 0 (length 1) [ 251.644008][ T8909] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 251.644035][ T8909] EXT4-fs (loop2): This should not happen!! Data will be lost [ 251.644035][ T8909] [ 251.648554][ T8911] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 251.648583][ T8911] EXT4-fs (loop3): This should not happen!! Data will be lost [ 251.648583][ T8911] [ 251.750580][ T8920] ext4 filesystem being mounted at /243/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 251.755622][ T8920] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1252: lblock 0 mapped to illegal pblock 0 (length 1) [ 251.756186][ T8920] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 251.756211][ T8920] EXT4-fs (loop4): This should not happen!! Data will be lost [ 251.756211][ T8920] [ 251.985218][ T8923] ext4 filesystem being mounted at /242/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 252.006605][ T8923] EXT4-fs error (device loop0): ext4_map_blocks:825: inode #15: comm syz.0.1257: lblock 0 mapped to illegal pblock 0 (length 1) [ 252.022674][ T8923] EXT4-fs (loop0): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 252.022727][ T8923] EXT4-fs (loop0): This should not happen!! Data will be lost [ 252.022727][ T8923] [ 252.145344][ T8926] ext4 filesystem being mounted at /255/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 252.203134][ T8924] ext4 filesystem being mounted at /253/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 252.221326][ T8926] EXT4-fs error (device loop1): ext4_map_blocks:825: inode #15: comm syz.1.1255: lblock 0 mapped to illegal pblock 0 (length 1) [ 252.223144][ T8926] EXT4-fs (loop1): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 252.223172][ T8926] EXT4-fs (loop1): This should not happen!! Data will be lost [ 252.223172][ T8926] [ 252.244649][ T8924] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1258: lblock 0 mapped to illegal pblock 0 (length 1) [ 252.247082][ T8924] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 252.247106][ T8924] EXT4-fs (loop3): This should not happen!! Data will be lost [ 252.247106][ T8924] [ 252.341271][ T8929] ext4 filesystem being mounted at /245/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 252.373188][ T8930] ext4 filesystem being mounted at /244/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 252.419579][ T8930] EXT4-fs error (device loop4): ext4_map_blocks:825: inode #15: comm syz.4.1259: lblock 0 mapped to illegal pblock 0 (length 1) [ 252.449814][ T8929] EXT4-fs error (device loop2): ext4_map_blocks:825: inode #15: comm syz.2.1260: lblock 0 mapped to illegal pblock 0 (length 1) [ 252.451134][ T8929] EXT4-fs (loop2): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 252.451163][ T8929] EXT4-fs (loop2): This should not happen!! Data will be lost [ 252.451163][ T8929] [ 252.458432][ T8930] EXT4-fs (loop4): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 252.458457][ T8930] EXT4-fs (loop4): This should not happen!! Data will be lost [ 252.458457][ T8930] [ 252.697030][ T8938] ext4 filesystem being mounted at /243/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 252.713972][ T8940] ext4 filesystem being mounted at /254/file1 supports timestamps until 2038-01-19 (0x7fffffff) [ 252.731070][ T8940] EXT4-fs error (device loop3): ext4_map_blocks:825: inode #15: comm syz.3.1262: lblock 0 mapped to illegal pblock 0 (length 1) [ 252.731749][ T8940] EXT4-fs (loop3): Delayed block allocation failed for inode 15 at logical offset 0 with max blocks 1 with error 117 [ 252.731774][ T8940] EXT4-fs (loop3): This should not happen!! Data will be lost [ 252.731774][ T8940] [ 252.739353][ T8598] EXT4-fs error (device loop3): ext4_validate_block_bitmap:441: comm ext4lazyinit: bg 0: block 112: padding at end of block bitmap is not set [ 252.799990][ T8940] ------------[ cut here ]------------ [ 252.800004][ T8940] WARNING: mm/page-writeback.c:2710 at __folio_mark_dirty+0x1fb/0xe00, CPU#1: syz.3.1262/8940 [ 252.800036][ T8940] Modules linked in: [ 252.800062][ T8940] CPU: 1 UID: 0 PID: 8940 Comm: syz.3.1262 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 252.800088][ T8940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 252.800104][ T8940] RIP: 0010:__folio_mark_dirty+0x1fb/0xe00 [ 252.800116][ T8940] Code: 3c 38 00 74 08 48 89 df e8 c2 d2 26 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 21 67 c4 ff 49 83 e6 08 75 1c e8 b6 61 c4 ff 90 <0f> 0b 90 eb 16 e8 ab 61 c4 ff e9 6e 07 00 00 e8 a1 61 c4 ff eb 05 [ 252.800125][ T8940] RSP: 0000:ffffc9000e88fa10 EFLAGS: 00010293 [ 252.800135][ T8940] RAX: ffffffff81fc022a RBX: ffffea0001830e40 RCX: ffff888030651e40 [ 252.800143][ T8940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 252.800149][ T8940] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 252.800155][ T8940] R10: dffffc0000000000 R11: fffff940003061c9 R12: ffff88805963f0b8 [ 252.800163][ T8940] R13: ffff88805963f0b0 R14: 0000000000000000 R15: dffffc0000000000 [ 252.800170][ T8940] FS: 0000555557fa2500(0000) GS:ffff888126e01000(0000) knlGS:0000000000000000 [ 252.800179][ T8940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 252.800187][ T8940] CR2: 0000200000000100 CR3: 0000000037b56000 CR4: 00000000003526f0 [ 252.800196][ T8940] Call Trace: [ 252.800205][ T8940] [ 252.800212][ T8940] ? rt_spin_unlock+0x161/0x200 [ 252.800229][ T8940] block_dirty_folio+0x17a/0x1d0 [ 252.800245][ T8940] fault_dirty_shared_page+0x103/0x550 [ 252.800259][ T8940] do_wp_page+0x265e/0x4970 [ 252.800275][ T8940] ? rt_spin_lock+0x1c1/0x3e0 [ 252.800293][ T8940] ? preempt_count_add+0x91/0x190 [ 252.800304][ T8940] ? __pfx_do_wp_page+0x10/0x10 [ 252.800316][ T8940] ? rt_spin_lock+0x2ae/0x3e0 [ 252.800330][ T8940] ? __pfx_rt_spin_lock+0x10/0x10 [ 252.800345][ T8940] ? pte_offset_map_rw_nolock+0xea/0x160 [ 252.800360][ T8940] ? handle_mm_fault+0xd1/0x1330 [ 252.800373][ T8940] handle_mm_fault+0x9f6/0x1330 [ 252.800391][ T8940] ? handle_mm_fault+0xd1/0x1330 [ 252.800406][ T8940] ? __pfx_handle_mm_fault+0x10/0x10 [ 252.800418][ T8940] ? lock_vma_under_rcu+0x42c/0x4a0 [ 252.800433][ T8940] ? __pfx_do_futex+0x10/0x10 [ 252.800456][ T8940] ? do_user_addr_fault+0x1a8/0x1380 [ 252.800470][ T8940] do_user_addr_fault+0xa7c/0x1380 [ 252.800485][ T8940] ? rcu_is_watching+0x15/0xb0 [ 252.800496][ T8940] ? trace_page_fault_user+0x84/0x1c0 [ 252.800509][ T8940] exc_page_fault+0x82/0x100 [ 252.800526][ T8940] asm_exc_page_fault+0x26/0x30 [ 252.800537][ T8940] RIP: 0033:0x7fd07ca87398 [ 252.800550][ T8940] Code: fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 c5 [ 252.800559][ T8940] RSP: 002b:00007ffdb70d3bd8 EFLAGS: 00010202 [ 252.800568][ T8940] RAX: 0000200000000100 RBX: 0000000000000004 RCX: 00657375632f7665 [ 252.800575][ T8940] RDX: 000000000000000a RSI: 7375632f7665642f RDI: 0000200000000100 [ 252.800582][ T8940] RBP: 0000000000000000 R08: 0000001b2e820000 R09: 0000000000000001 [ 252.800589][ T8940] R10: 0000000000000001 R11: 0000000000000009 R12: 00007fd07cd15fac [ 252.800595][ T8940] R13: 00007fd07cd15fa0 R14: fffffffffffffffe R15: 0000000000000003 [ 252.800612][ T8940] [ 252.800621][ T8940] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 252.800629][ T8940] CPU: 1 UID: 0 PID: 8940 Comm: syz.3.1262 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 252.800641][ T8940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 252.800647][ T8940] Call Trace: [ 252.800651][ T8940] [ 252.800655][ T8940] dump_stack_lvl+0x99/0x250 [ 252.800669][ T8940] ? __asan_memcpy+0x40/0x70 [ 252.800682][ T8940] ? __pfx_dump_stack_lvl+0x10/0x10 [ 252.800696][ T8940] ? __pfx__printk+0x10/0x10 [ 252.800713][ T8940] vpanic+0x237/0x6d0 [ 252.800727][ T8940] ? __pfx_vpanic+0x10/0x10 [ 252.800738][ T8940] ? is_bpf_text_address+0x292/0x2b0 [ 252.800752][ T8940] ? is_bpf_text_address+0x26/0x2b0 [ 252.800769][ T8940] panic+0xb9/0xc0 [ 252.800781][ T8940] ? __pfx_panic+0x10/0x10 [ 252.800803][ T8940] __warn+0x317/0x4b0 [ 252.800815][ T8940] ? __folio_mark_dirty+0x1fb/0xe00 [ 252.800828][ T8940] ? __folio_mark_dirty+0x1fb/0xe00 [ 252.800839][ T8940] __report_bug+0x288/0x500 [ 252.800854][ T8940] ? trace_irq_disable+0x37/0x100 [ 252.800866][ T8940] ? __folio_mark_dirty+0x1fb/0xe00 [ 252.800879][ T8940] ? __pfx___report_bug+0x10/0x10 [ 252.800899][ T8940] ? rt_spin_lock+0x1c1/0x3e0 [ 252.800913][ T8940] ? __folio_mark_dirty+0x1fb/0xe00 [ 252.800924][ T8940] report_bug+0x16a/0x220 [ 252.800939][ T8940] ? __folio_mark_dirty+0x1fb/0xe00 [ 252.800948][ T8940] ? __folio_mark_dirty+0x1fd/0xe00 [ 252.800958][ T8940] handle_bug+0x98/0x200 [ 252.800971][ T8940] exc_invalid_op+0x1a/0x50 [ 252.800983][ T8940] asm_exc_invalid_op+0x1a/0x20 [ 252.800992][ T8940] RIP: 0010:__folio_mark_dirty+0x1fb/0xe00 [ 252.801003][ T8940] Code: 3c 38 00 74 08 48 89 df e8 c2 d2 26 00 4c 8b 33 4c 89 f6 48 83 e6 08 31 ff e8 21 67 c4 ff 49 83 e6 08 75 1c e8 b6 61 c4 ff 90 <0f> 0b 90 eb 16 e8 ab 61 c4 ff e9 6e 07 00 00 e8 a1 61 c4 ff eb 05 [ 252.801011][ T8940] RSP: 0000:ffffc9000e88fa10 EFLAGS: 00010293 [ 252.801020][ T8940] RAX: ffffffff81fc022a RBX: ffffea0001830e40 RCX: ffff888030651e40 [ 252.801027][ T8940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 252.801034][ T8940] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 252.801040][ T8940] R10: dffffc0000000000 R11: fffff940003061c9 R12: ffff88805963f0b8 [ 252.801047][ T8940] R13: ffff88805963f0b0 R14: 0000000000000000 R15: dffffc0000000000 [ 252.801058][ T8940] ? __folio_mark_dirty+0x1fa/0xe00 [ 252.801074][ T8940] ? rt_spin_unlock+0x161/0x200 [ 252.801088][ T8940] block_dirty_folio+0x17a/0x1d0 [ 252.801103][ T8940] fault_dirty_shared_page+0x103/0x550 [ 252.801117][ T8940] do_wp_page+0x265e/0x4970 [ 252.801132][ T8940] ? rt_spin_lock+0x1c1/0x3e0 [ 252.801150][ T8940] ? preempt_count_add+0x91/0x190 [ 252.801160][ T8940] ? __pfx_do_wp_page+0x10/0x10 [ 252.801172][ T8940] ? rt_spin_lock+0x2ae/0x3e0 [ 252.801186][ T8940] ? __pfx_rt_spin_lock+0x10/0x10 [ 252.801201][ T8940] ? pte_offset_map_rw_nolock+0xea/0x160 [ 252.801216][ T8940] ? handle_mm_fault+0xd1/0x1330 [ 252.801229][ T8940] handle_mm_fault+0x9f6/0x1330 [ 252.801247][ T8940] ? handle_mm_fault+0xd1/0x1330 [ 252.801261][ T8940] ? __pfx_handle_mm_fault+0x10/0x10 [ 252.801274][ T8940] ? lock_vma_under_rcu+0x42c/0x4a0 [ 252.801288][ T8940] ? __pfx_do_futex+0x10/0x10 [ 252.801309][ T8940] ? do_user_addr_fault+0x1a8/0x1380 [ 252.801323][ T8940] do_user_addr_fault+0xa7c/0x1380 [ 252.801338][ T8940] ? rcu_is_watching+0x15/0xb0 [ 252.801348][ T8940] ? trace_page_fault_user+0x84/0x1c0 [ 252.801361][ T8940] exc_page_fault+0x82/0x100 [ 252.801372][ T8940] asm_exc_page_fault+0x26/0x30 [ 252.801382][ T8940] RIP: 0033:0x7fd07ca87398 [ 252.801390][ T8940] Code: fc 89 37 c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 66 0f 1f 84 00 00 00 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 c5 [ 252.801399][ T8940] RSP: 002b:00007ffdb70d3bd8 EFLAGS: 00010202 [ 252.801407][ T8940] RAX: 0000200000000100 RBX: 0000000000000004 RCX: 00657375632f7665 [ 252.801414][ T8940] RDX: 000000000000000a RSI: 7375632f7665642f RDI: 0000200000000100 [ 252.801421][ T8940] RBP: 0000000000000000 R08: 0000001b2e820000 R09: 0000000000000001 [ 252.801428][ T8940] R10: 0000000000000001 R11: 0000000000000009 R12: 00007fd07cd15fac [ 252.801434][ T8940] R13: 00007fd07cd15fa0 R14: fffffffffffffffe R15: 0000000000000003 [ 252.801450][ T8940] [ 252.801964][ T8940] Kernel Offset: disabled