ation 8 scanned by syz.3.344 (6588) [ 94.592563][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by udevd (4340) [ 94.603038][ T6595] loop4: detected capacity change from 0 to 32768 [ 94.626547][ T6595] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 94.628346][ T6595] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 94.629682][ T6595] BTRFS info (device loop4): using free space tree [ 94.633110][ T6593] loop0: detected capacity change from 0 to 32768 [ 94.638637][ T6593] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.346 (6593) [ 94.715980][ T6597] loop2: detected capacity change from 0 to 32768 [ 94.718735][ T6597] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.347 (6597) [ 94.724398][ T4916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4916) [ 94.776161][ T4663] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4663) [ 94.821229][ T6595] BTRFS info (device loop4): enabling ssd optimizations [ 94.976465][ T6624] BTRFS info (device loop4): scrub: started on devid 1 [ 94.981634][ T6624] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 95.057377][ T6610] loop1: detected capacity change from 0 to 32768 [ 95.079031][ T6610] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.349 (6610) [ 95.172958][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 95.227004][ T6620] loop3: detected capacity change from 0 to 32768 [ 95.234009][ T6620] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.350 (6620) [ 95.253781][ T6620] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 95.255533][ T6620] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 95.256921][ T6620] BTRFS info (device loop3): using free space tree [ 95.262895][ T4663] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4663) [ 95.411981][ T6637] loop0: detected capacity change from 0 to 32768 [ 95.413776][ T6637] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.352 (6637) [ 95.487139][ T6628] loop2: detected capacity change from 0 to 32768 [ 95.491118][ T6620] BTRFS info (device loop3): enabling ssd optimizations [ 95.504581][ T6630] loop4: detected capacity change from 0 to 32768 [ 95.510512][ T6628] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.351 (6628) [ 95.523306][ T6630] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.353 (6630) [ 95.578613][ T6654] BTRFS info (device loop3): scrub: started on devid 1 [ 95.604485][ T6654] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 95.755860][ T6652] loop1: detected capacity change from 0 to 32768 [ 95.769125][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 95.794549][ T6652] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.354 (6652) [ 95.883012][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by udevd (4340) [ 96.100763][ T6658] loop0: detected capacity change from 0 to 32768 [ 96.104017][ T6658] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 96.105717][ T6658] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 96.107142][ T6658] BTRFS info (device loop0): using free space tree 1970/01/01 00:01:36 executed programs: 352 [ 96.133589][ T6660] loop3: detected capacity change from 0 to 32768 [ 96.148683][ T6660] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.356 (6660) [ 96.205706][ T6665] loop4: detected capacity change from 0 to 32768 [ 96.228845][ T6665] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.358 (6665) [ 96.288898][ T6658] BTRFS info (device loop0): enabling ssd optimizations [ 96.298257][ T4663] blk_print_req_error: 2 callbacks suppressed [ 96.298270][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 96.368543][ T6689] BTRFS info (device loop0): scrub: started on devid 1 [ 96.376367][ T6689] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 96.512347][ T6675] loop1: detected capacity change from 0 to 32768 [ 96.518706][ T6675] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.359 (6675) [ 96.690922][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 96.885039][ T6692] loop4: detected capacity change from 0 to 32768 [ 96.898286][ T6692] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.360 (6692) [ 96.905838][ T6692] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 96.907493][ T6692] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 96.919875][ T6694] loop2: detected capacity change from 0 to 32768 [ 96.924801][ T6694] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.361 (6694) [ 96.928668][ T6692] BTRFS info (device loop4): using free space tree [ 96.979070][ T4916] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 97.069573][ T6700] loop3: detected capacity change from 0 to 32768 [ 97.071242][ T6700] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.363 (6700) [ 97.104304][ T4356] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 97.153796][ T6692] BTRFS info (device loop4): enabling ssd optimizations [ 97.271863][ T6723] BTRFS info (device loop4): scrub: started on devid 1 [ 97.290085][ T6723] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 97.340879][ T6704] loop1: detected capacity change from 0 to 32768 [ 97.347130][ T6704] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.364 (6704) [ 97.454918][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 97.522267][ T6726] loop2: detected capacity change from 0 to 32768 [ 97.534958][ T6726] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.366 (6726) [ 97.539382][ T6726] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 97.540823][ T6726] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 97.542303][ T6726] BTRFS info (device loop2): using free space tree [ 97.552511][ T4916] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4916) [ 97.704316][ T6728] loop0: detected capacity change from 0 to 32768 [ 97.706954][ T6728] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.365 (6728) [ 97.736011][ T6726] BTRFS info (device loop2): enabling ssd optimizations [ 97.757766][ T6732] loop4: detected capacity change from 0 to 32768 [ 97.762079][ T6732] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.367 (6732) [ 97.834849][ T4916] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 97.851809][ T6753] BTRFS info (device loop2): scrub: started on devid 1 [ 97.862861][ T6753] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 97.995334][ T6748] loop3: detected capacity change from 0 to 32768 [ 98.001120][ T6748] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.368 (6748) [ 98.105643][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 98.249047][ T6756] loop1: detected capacity change from 0 to 32768 [ 98.297014][ T6759] loop0: detected capacity change from 0 to 32768 [ 98.298228][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 15 /dev/loop2 scanned by udevd (4340) [ 98.300226][ T6756] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 98.320072][ T4663] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15 [ 98.338513][ T6759] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 98.411115][ T4356] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 98.452231][ T6762] loop4: detected capacity change from 0 to 32768 [ 98.461801][ T6762] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 98.596773][ T6768] loop3: detected capacity change from 0 to 32768 [ 98.605039][ T6768] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15 [ 98.729358][ T4916] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 98.994243][ T6776] loop0: detected capacity change from 0 to 32768 [ 99.001508][ T6773] loop1: detected capacity change from 0 to 32768 [ 99.008369][ T6773] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 99.016298][ T6776] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 99.075517][ T6780] loop4: detected capacity change from 0 to 32768 [ 99.078993][ T6778] loop2: detected capacity change from 0 to 32768 [ 99.087491][ T4356] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 99.089198][ T6778] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 99.090896][ T6778] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 99.092393][ T6778] BTRFS info (device loop2): using free space tree [ 99.097617][ T6780] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.377 (6780) [ 99.158634][ T6782] loop3: detected capacity change from 0 to 32768 [ 99.160817][ T6782] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.378 (6782) [ 99.274092][ T6778] BTRFS info (device loop2): enabling ssd optimizations [ 99.361253][ T6804] BTRFS info (device loop2): scrub: started on devid 1 [ 99.408842][ T6804] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 99.596007][ T6806] loop4: detected capacity change from 0 to 32768 [ 99.604139][ T6806] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.379 (6806) [ 99.665819][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 99.675692][ T6808] loop0: detected capacity change from 0 to 32768 [ 99.681276][ T6808] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.380 (6808) [ 99.843011][ T4916] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by udevd (4916) [ 99.941919][ T6810] loop1: detected capacity change from 0 to 32768 [ 99.948979][ T6810] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 99.956422][ T4340] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4340) [ 99.957937][ T6814] loop3: detected capacity change from 0 to 32768 [ 99.959355][ T6810] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 99.960769][ T6810] BTRFS info (device loop1): using free space tree [ 99.982158][ T6814] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.382 (6814) [ 100.148128][ T6810] BTRFS info (device loop1): enabling ssd optimizations [ 100.222009][ T6844] BTRFS info (device loop1): scrub: started on devid 1 [ 100.225611][ T6844] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 100.286309][ T6821] loop4: detected capacity change from 0 to 32768 [ 100.294750][ T6821] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.384 (6821) [ 100.301985][ T6824] loop0: detected capacity change from 0 to 32768 [ 100.304913][ T6824] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.385 (6824) [ 100.471303][ T6843] loop3: detected capacity change from 0 to 32768 [ 100.475628][ T6843] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.386 (6843) [ 100.495113][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 100.539200][ T5566] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 100.751844][ T6847] loop2: detected capacity change from 0 to 32768 [ 100.758314][ T6847] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.387 (6847) [ 100.771942][ T6847] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 100.773530][ T6847] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 100.774973][ T6847] BTRFS info (device loop2): using free space tree [ 100.902980][ T6859] loop4: detected capacity change from 0 to 32768 [ 100.906248][ T6859] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.390 (6859) [ 100.967035][ T6847] BTRFS info (device loop2): enabling ssd optimizations [ 101.025975][ T6875] BTRFS info (device loop2): scrub: started on devid 1 [ 101.050686][ T6875] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 101.117223][ T6854] loop0: detected capacity change from 0 to 32768 [ 101.126340][ T6854] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.389 (6854) [ 101.172704][ T4663] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 101.267571][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 101.272115][ T6877] loop3: detected capacity change from 0 to 32768 1970/01/01 00:01:41 executed programs: 386 [ 101.288301][ T6877] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.391 (6877) [ 101.371106][ T5566] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 15 /dev/loop2 scanned by udevd (5566) [ 101.499722][ T6880] loop4: detected capacity change from 0 to 32768 [ 101.504942][ T6880] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 101.572970][ T4916] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15 [ 101.771984][ T6887] loop1: detected capacity change from 0 to 32768 [ 101.779417][ T6887] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 101.828497][ T4663] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 101.837560][ T6890] loop0: detected capacity change from 0 to 32768 [ 101.844885][ T6890] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 101.881166][ T4340] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 101.944021][ T6892] loop3: detected capacity change from 0 to 32768 [ 101.945760][ T6892] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15 [ 102.009471][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 102.155952][ T6895] loop4: detected capacity change from 0 to 32768 [ 102.167754][ T6895] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 102.248109][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 102.253771][ T4356] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 102.262191][ T6899] loop2: detected capacity change from 0 to 32768 [ 102.269268][ T6899] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 102.270987][ T6899] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 102.272471][ T6899] BTRFS info (device loop2): using free space tree [ 102.424364][ T6899] BTRFS info (device loop2): enabling ssd optimizations [ 102.447078][ T6915] loop3: detected capacity change from 0 to 32768 [ 102.449119][ T6915] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.401 (6915) [ 102.550894][ T6925] BTRFS info (device loop2): scrub: started on devid 1 [ 102.553765][ T6925] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 102.573029][ T6907] loop0: detected capacity change from 0 to 32768 [ 102.588148][ T6907] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.399 (6907) [ 102.647047][ T6904] loop1: detected capacity change from 0 to 32768 [ 102.655867][ T6904] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.400 (6904) [ 102.702974][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 102.781880][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 102.867169][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 15 /dev/loop2 scanned by udevd (4340) [ 103.079088][ T6929] loop4: detected capacity change from 0 to 32768 [ 103.086379][ T6929] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 103.147044][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 103.174059][ T6934] loop3: detected capacity change from 0 to 32768 [ 103.180548][ T6934] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15 [ 103.225183][ T6937] loop0: detected capacity change from 0 to 32768 [ 103.226824][ T6937] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 103.247258][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 103.399192][ T6939] loop1: detected capacity change from 0 to 32768 [ 103.408181][ T6939] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 103.683988][ T5566] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 103.862139][ T6947] loop4: detected capacity change from 0 to 32768 [ 103.867761][ T6948] loop2: detected capacity change from 0 to 32768 [ 103.869083][ T6947] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 103.877365][ T6950] loop0: detected capacity change from 0 to 32768 [ 103.886522][ T6948] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 103.888140][ T6948] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 103.889679][ T6948] BTRFS info (device loop2): using free space tree [ 103.903646][ T6950] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.410 (6950) [ 103.928731][ T6952] loop3: detected capacity change from 0 to 32768 [ 103.930299][ T6952] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.409 (6952) [ 103.997610][ T6954] loop1: detected capacity change from 0 to 32768 [ 103.998244][ T4356] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 104.005610][ T6954] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.411 (6954) [ 104.059682][ T6948] BTRFS info (device loop2): enabling ssd optimizations [ 104.186920][ T6977] BTRFS info (device loop2): scrub: started on devid 1 [ 104.189726][ T6977] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 104.377812][ T4663] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4663) [ 104.408581][ T4340] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4340) [ 104.460072][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 104.644744][ T6981] loop0: detected capacity change from 0 to 32768 [ 104.656585][ T6981] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by syz.0.413 (6981) [ 104.668335][ T6981] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 104.670154][ T6981] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 104.671542][ T6981] BTRFS info (device loop0): using free space tree [ 104.692838][ T6984] loop3: detected capacity change from 0 to 32768 [ 104.703208][ T6984] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.415 (6984) [ 104.717495][ T6990] loop1: detected capacity change from 0 to 32768 [ 104.720304][ T6990] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.417 (6990) [ 104.754457][ T6986] loop4: detected capacity change from 0 to 32768 [ 104.756597][ T6986] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.414 (6986) [ 104.775881][ T6981] BTRFS info (device loop0): enabling ssd optimizations [ 104.775979][ T4356] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 104.802212][ T5566] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 104.836068][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 104.854263][ T7008] BTRFS info (device loop0): scrub: started on devid 1 [ 104.874815][ T7008] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 104.914160][ T6988] loop2: detected capacity change from 0 to 32768 [ 104.922094][ T6988] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.416 (6988) [ 105.163968][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 105.318187][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 15 /dev/loop0 scanned by udevd (4340) [ 105.485108][ T7014] loop4: detected capacity change from 0 to 32768 [ 105.486750][ T7014] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 105.488891][ T7020] loop3: detected capacity change from 0 to 32768 [ 105.490451][ T7020] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15 [ 105.520355][ T7017] loop1: detected capacity change from 0 to 32768 [ 105.538231][ T7017] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 105.542015][ T7018] loop2: detected capacity change from 0 to 32768 [ 105.543681][ T7018] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15 [ 105.770170][ T4916] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 106.120214][ T7030] loop4: detected capacity change from 0 to 32768 [ 106.138307][ T7030] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 106.175582][ T7032] loop3: detected capacity change from 0 to 32768 [ 106.195855][ T7032] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15 [ 106.214724][ T7034] loop0: detected capacity change from 0 to 32768 [ 106.222196][ T7034] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 106.223803][ T7034] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 106.225084][ T7034] BTRFS info (device loop0): using free space tree [ 106.295215][ T7038] loop1: detected capacity change from 0 to 32768 [ 106.296905][ T7038] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.427 (7038) [ 106.297663][ T7036] loop2: detected capacity change from 0 to 32768 [ 106.301167][ T7036] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.426 (7036) [ 106.368343][ T7034] BTRFS info (device loop0): enabling ssd optimizations [ 106.502412][ T7060] BTRFS info (device loop0): scrub: started on devid 1 [ 106.506162][ T7060] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 1970/01/01 00:01:46 executed programs: 421 [ 106.816920][ T7062] loop1: detected capacity change from 0 to 32768 [ 106.826157][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 106.827929][ T7062] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.428 (7062) [ 106.900012][ T4663] blk_print_req_error: 6 callbacks suppressed [ 106.900027][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 106.980101][ T7065] loop3: detected capacity change from 0 to 32768 [ 106.998155][ T7065] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.429 (7065) [ 107.007935][ T7067] loop4: detected capacity change from 0 to 32768 [ 107.009999][ T7065] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 107.011598][ T7065] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 107.013007][ T7065] BTRFS info (device loop3): using free space tree [ 107.020276][ T7067] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.430 (7067) [ 107.076045][ T7070] loop2: detected capacity change from 0 to 32768 [ 107.082868][ T7070] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.431 (7070) [ 107.115201][ T4356] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 107.152922][ T7065] BTRFS info (device loop3): enabling ssd optimizations [ 107.244877][ T7093] BTRFS info (device loop3): scrub: started on devid 1 [ 107.264342][ T7093] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 107.502968][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 107.608167][ T4663] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 15 /dev/loop3 scanned by udevd (4663) [ 107.713403][ T7097] loop1: detected capacity change from 0 to 32768 [ 107.728478][ T7097] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 107.775338][ T7100] loop4: detected capacity change from 0 to 32768 [ 107.792168][ T7100] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 107.850593][ T7101] loop2: detected capacity change from 0 to 32768 [ 107.861210][ T7106] loop0: detected capacity change from 0 to 32768 [ 107.861916][ T7101] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15 [ 107.875870][ T7106] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 107.914414][ T4356] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 108.026957][ T4916] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 108.164983][ T5566] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 108.195754][ T4340] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 108.386198][ T7113] loop1: detected capacity change from 0 to 32768 [ 108.408159][ T7113] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 108.418752][ T7115] loop4: detected capacity change from 0 to 32768 [ 108.421381][ T7115] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 108.441671][ T7119] loop0: detected capacity change from 0 to 32768 [ 108.443121][ T7119] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 108.460400][ T7117] loop3: detected capacity change from 0 to 32768 [ 108.476317][ T7117] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 108.477910][ T7117] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 108.479890][ T7117] BTRFS info (device loop3): using free space tree [ 108.495155][ T7121] loop2: detected capacity change from 0 to 32768 [ 108.496854][ T7121] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.442 (7121) [ 108.516454][ T4340] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 108.729320][ T7117] BTRFS info (device loop3): enabling ssd optimizations [ 108.820807][ T7146] BTRFS info (device loop3): scrub: started on devid 1 [ 108.835954][ T7146] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 108.867768][ T7144] loop2: detected capacity change from 0 to 32768 [ 108.896262][ T7144] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.443 (7144) [ 108.996781][ T4663] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4663) [ 109.057342][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 109.206809][ T7148] loop1: detected capacity change from 0 to 32768 [ 109.212334][ T7148] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by syz.1.444 (7148) [ 109.230835][ T7148] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 109.232594][ T7148] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 109.233990][ T7148] BTRFS info (device loop1): using free space tree [ 109.269804][ T7151] loop4: detected capacity change from 0 to 32768 [ 109.273206][ T7151] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.446 (7151) [ 109.318394][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 109.359791][ T7155] loop3: detected capacity change from 0 to 32768 [ 109.359891][ T7153] loop0: detected capacity change from 0 to 32768 [ 109.363789][ T7155] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.447 (7155) [ 109.370878][ T7153] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.445 (7153) [ 109.377182][ T7148] BTRFS info (device loop1): enabling ssd optimizations [ 109.435386][ T7176] BTRFS info (device loop1): scrub: started on devid 1 [ 109.437858][ T7176] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 109.455521][ T4340] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 109.707517][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 109.733705][ T7170] loop2: detected capacity change from 0 to 32768 [ 109.747548][ T7170] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.448 (7170) [ 109.789851][ T4663] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 109.833287][ T7180] loop4: detected capacity change from 0 to 32768 [ 109.859738][ T7180] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.449 (7180) [ 109.879736][ T7180] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 109.881210][ T7180] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 109.882444][ T7180] BTRFS info (device loop4): using free space tree [ 110.027110][ T7180] BTRFS info (device loop4): enabling ssd optimizations [ 110.040509][ T7183] loop1: detected capacity change from 0 to 32768 [ 110.050432][ T7183] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.450 (7183) [ 110.086884][ T7208] BTRFS info (device loop4): scrub: started on devid 1 [ 110.090374][ T7208] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 110.177059][ T7186] loop3: detected capacity change from 0 to 32768 [ 110.193234][ T7186] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.451 (7186) [ 110.316241][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 110.316507][ T4916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4916) [ 110.371412][ T4663] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4663) [ 110.405619][ T7192] loop0: detected capacity change from 0 to 32768 [ 110.407317][ T7192] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by syz.0.452 (7192) [ 110.418578][ T7192] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 110.420279][ T7192] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 110.421597][ T7192] BTRFS info (device loop0): using free space tree [ 110.469914][ T7207] loop2: detected capacity change from 0 to 32768 [ 110.477424][ T7207] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.453 (7207) [ 110.579497][ T4340] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 110.594459][ T7217] loop4: detected capacity change from 0 to 32768 [ 110.600864][ T7217] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.454 (7217) [ 110.654747][ T7225] loop3: detected capacity change from 0 to 32768 [ 110.656767][ T7225] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.456 (7225) [ 110.683878][ T7192] BTRFS info (device loop0): enabling ssd optimizations [ 110.685804][ T5566] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 110.746507][ T7238] BTRFS info (device loop0): scrub: started on devid 1 [ 110.757365][ T7238] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 110.797824][ T7221] loop1: detected capacity change from 0 to 32768 [ 110.818187][ T7221] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.455 (7221) [ 110.932313][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 111.300162][ T7246] loop2: detected capacity change from 0 to 32768 [ 111.315950][ T7246] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.458 (7246) [ 111.326035][ T7246] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 111.327576][ T7246] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 111.334083][ T7246] BTRFS info (device loop2): using free space tree [ 111.345696][ T7243] loop0: detected capacity change from 0 to 32768 [ 111.355488][ T7243] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.457 (7243) [ 111.393434][ T7247] loop4: detected capacity change from 0 to 32768 [ 111.402987][ T7247] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.459 (7247) [ 111.442714][ T7251] loop1: detected capacity change from 0 to 32768 [ 111.447123][ T7251] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.461 (7251) [ 111.473887][ T7249] loop3: detected capacity change from 0 to 32768 [ 111.487322][ T7246] BTRFS info (device loop2): enabling ssd optimizations [ 111.490888][ T7249] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.460 (7249) [ 111.583378][ T7274] BTRFS info (device loop2): scrub: started on devid 1 [ 111.597913][ T7274] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 1970/01/01 00:01:51 executed programs: 455 [ 111.676284][ T4663] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4663) [ 111.837399][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 111.851594][ T4340] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4340) [ 111.893119][ T5566] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (5566) [ 111.962575][ T4356] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by udevd (4356) [ 112.107274][ T7278] loop0: detected capacity change from 0 to 32768 [ 112.129614][ T7278] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 112.131080][ T7278] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 112.132404][ T7278] BTRFS info (device loop0): using free space tree [ 112.194472][ T7280] loop3: detected capacity change from 0 to 32768 [ 112.196177][ T7280] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.465 (7280) [ 112.202330][ T7282] loop4: detected capacity change from 0 to 32768 [ 112.204340][ T7282] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.464 (7282) [ 112.235057][ T7285] loop2: detected capacity change from 0 to 32768 [ 112.236609][ T7285] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.466 (7285) [ 112.279877][ T4916] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 112.328589][ T7278] BTRFS info (device loop0): enabling ssd optimizations [ 112.410763][ T7307] BTRFS info (device loop0): scrub: started on devid 1 [ 112.431149][ T7307] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 112.647344][ T7303] loop1: detected capacity change from 0 to 32768 [ 112.672888][ T7303] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.467 (7303) [ 112.680481][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 112.825271][ T7311] loop2: detected capacity change from 0 to 32768 [ 112.833174][ T7311] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.468 (7311) [ 112.846369][ T7311] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 112.850231][ T7311] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 112.853464][ T7311] BTRFS info (device loop2): using free space tree [ 112.914100][ T4340] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4340) [ 112.962837][ T7314] loop4: detected capacity change from 0 to 32768 [ 112.991260][ T7311] BTRFS info (device loop2): enabling ssd optimizations [ 112.995113][ T7314] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.469 (7314) [ 113.019291][ T7317] loop0: detected capacity change from 0 to 32768 [ 113.050323][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 113.054841][ T7317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.470 (7317) [ 113.058224][ T7339] BTRFS info (device loop2): scrub: started on devid 1 [ 113.070526][ T7339] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 113.118842][ T4356] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 113.123359][ T7319] loop3: detected capacity change from 0 to 32768 [ 113.131175][ T7319] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.471 (7319) [ 113.341602][ T7338] loop1: detected capacity change from 0 to 32768 [ 113.342371][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 113.351523][ T7338] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.472 (7338) [ 113.547829][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by udevd (4340) [ 113.822213][ T7349] loop0: detected capacity change from 0 to 32768 [ 113.834248][ T7350] loop4: detected capacity change from 0 to 32768 [ 113.841597][ T7349] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 113.843009][ T7349] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 113.844409][ T7349] BTRFS info (device loop0): using free space tree [ 113.855354][ T7350] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.474 (7350) [ 113.982651][ T4356] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 114.016338][ T7349] BTRFS info (device loop0): enabling ssd optimizations [ 114.078829][ T7377] BTRFS info (device loop0): scrub: started on devid 1 [ 114.085858][ T7377] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 114.255512][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 114.413823][ T7381] loop3: detected capacity change from 0 to 32768 [ 114.421565][ T7381] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.479 (7381) [ 114.439417][ T7381] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 114.440969][ T7381] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 114.442294][ T7381] BTRFS info (device loop3): using free space tree [ 114.483475][ T7382] loop2: detected capacity change from 0 to 32768 [ 114.485818][ T7382] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.478 (7382) [ 114.682906][ T7388] loop1: detected capacity change from 0 to 32768 [ 114.685844][ T7388] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.481 (7388) [ 114.700363][ T7381] BTRFS info (device loop3): enabling ssd optimizations [ 114.765265][ T7411] BTRFS info (device loop3): scrub: started on devid 1 [ 114.777032][ T7411] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 114.787056][ T7393] loop4: detected capacity change from 0 to 32768 [ 114.804588][ T7393] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.482 (7393) [ 114.861018][ T4356] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 115.022928][ T4340] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4340) [ 115.025968][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 115.158436][ T7413] loop0: detected capacity change from 0 to 32768 [ 115.168370][ T7413] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by syz.0.483 (7413) [ 115.185432][ T7413] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 115.187028][ T7413] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 115.188816][ T7413] BTRFS info (device loop0): using free space tree [ 115.216574][ T7415] loop2: detected capacity change from 0 to 32768 [ 115.219258][ T7415] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.484 (7415) [ 115.283965][ T7419] loop3: detected capacity change from 0 to 32768 [ 115.285682][ T7419] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.485 (7419) [ 115.385232][ T7413] BTRFS info (device loop0): enabling ssd optimizations [ 115.450017][ T7443] BTRFS info (device loop0): scrub: started on devid 1 [ 115.457257][ T7443] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 115.532554][ T7421] loop1: detected capacity change from 0 to 32768 [ 115.544452][ T7421] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.486 (7421) [ 115.614351][ T7432] loop4: detected capacity change from 0 to 32768 [ 115.627938][ T7432] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.487 (7432) [ 115.701548][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 115.726924][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 115.756440][ T4356] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by udevd (4356) [ 115.791572][ T7445] loop3: detected capacity change from 0 to 32768 [ 115.850943][ T7445] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 115.852476][ T7445] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 115.853805][ T7445] BTRFS info (device loop3): using free space tree [ 116.041056][ T7449] loop2: detected capacity change from 0 to 32768 [ 116.042676][ T7449] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.489 (7449) [ 116.046573][ T7445] BTRFS info (device loop3): enabling ssd optimizations [ 116.067296][ T5566] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 116.103987][ T7474] BTRFS info (device loop3): scrub: started on devid 1 [ 116.106243][ T7474] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 116.410016][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 116.483837][ T7477] loop4: detected capacity change from 0 to 32768 [ 116.498372][ T7477] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.492 (7477) [ 116.512841][ T7477] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 116.514461][ T7477] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 116.515768][ T7477] BTRFS info (device loop4): using free space tree [ 116.563485][ T7481] loop1: detected capacity change from 0 to 32768 [ 116.565045][ T7481] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.493 (7481) [ 116.698868][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 116.712684][ T7493] loop2: detected capacity change from 0 to 32768 [ 116.714555][ T7493] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.496 (7493) [ 116.742742][ T7477] BTRFS info (device loop4): enabling ssd optimizations [ 116.823104][ T7507] BTRFS info (device loop4): scrub: started on devid 1 [ 116.823399][ T7485] loop0: detected capacity change from 0 to 32768 [ 116.825301][ T7507] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 116.838344][ T7485] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.495 (7485) [ 116.917373][ T4916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 11 scanned by udevd (4916) [ 116.952532][ T5566] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 1970/01/01 00:01:57 executed programs: 490 [ 117.047346][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 117.325384][ T7514] loop4: detected capacity change from 0 to 32768 [ 117.333867][ T7511] loop2: detected capacity change from 0 to 32768 [ 117.338206][ T7514] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.498 (7514) [ 117.341971][ T7514] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 117.343565][ T7514] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 117.344997][ T7514] BTRFS info (device loop4): using free space tree [ 117.368253][ T7511] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.497 (7511) [ 117.436465][ T7516] loop3: detected capacity change from 0 to 32768 [ 117.444505][ T7516] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.499 (7516) [ 117.506781][ T7518] loop1: detected capacity change from 0 to 32768 [ 117.519902][ T4340] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4340) [ 117.538186][ T7518] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.500 (7518) [ 117.543214][ T7514] BTRFS info (device loop4): enabling ssd optimizations [ 117.624039][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 117.672071][ T7542] BTRFS info (device loop4): scrub: started on devid 1 [ 117.674248][ T7542] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 117.744660][ T7524] loop0: detected capacity change from 0 to 32768 [ 117.756329][ T7524] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.501 (7524) [ 117.827752][ T4916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4916) [ 117.856673][ T5566] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 117.932495][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 118.015691][ T4663] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 15 /dev/loop4 scanned by udevd (4663) [ 118.072175][ T7545] loop2: detected capacity change from 0 to 32768 [ 118.081473][ T7545] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15 [ 118.116210][ T4340] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 118.221192][ T7547] loop3: detected capacity change from 0 to 32768 [ 118.236030][ T7547] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15 [ 118.316404][ T7552] loop1: detected capacity change from 0 to 32768 [ 118.320457][ T7552] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 118.338172][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 118.364815][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 118.536695][ T7556] loop0: detected capacity change from 0 to 32768 [ 118.547019][ T7556] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 118.611339][ T5566] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 118.820895][ T7561] loop2: detected capacity change from 0 to 32768 [ 118.830712][ T7561] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15 [ 118.887720][ T4340] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 118.909207][ T7563] loop4: detected capacity change from 0 to 32768 [ 118.929835][ T7563] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 118.931591][ T7563] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 118.932963][ T7563] BTRFS info (device loop4): using free space tree [ 118.967061][ T7567] loop1: detected capacity change from 0 to 32768 [ 118.973814][ T7568] loop3: detected capacity change from 0 to 32768 [ 118.975927][ T7568] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.509 (7568) [ 118.977910][ T7567] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.510 (7567) [ 119.043824][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 119.072561][ T7563] BTRFS info (device loop4): enabling ssd optimizations [ 119.148914][ T7590] BTRFS info (device loop4): scrub: started on devid 1 [ 119.151764][ T7590] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 119.168822][ T7571] loop0: detected capacity change from 0 to 32768 [ 119.174809][ T7571] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.511 (7571) [ 119.204514][ T4916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4916) [ 119.432171][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 119.643570][ T7597] loop2: detected capacity change from 0 to 32768 [ 119.652594][ T7597] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.513 (7597) [ 119.669291][ T7597] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 119.670851][ T7597] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 119.672121][ T7597] BTRFS info (device loop2): using free space tree [ 119.701734][ T7595] loop3: detected capacity change from 0 to 32768 [ 119.703415][ T7595] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.512 (7595) [ 119.726257][ T7599] loop1: detected capacity change from 0 to 32768 [ 119.727815][ T7599] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.515 (7599) [ 119.757973][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 119.832970][ T7603] loop4: detected capacity change from 0 to 32768 [ 119.834952][ T7603] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.514 (7603) [ 119.890090][ T4340] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 119.903705][ T7601] loop0: detected capacity change from 0 to 32768 [ 119.913254][ T7597] BTRFS info (device loop2): enabling ssd optimizations [ 119.924578][ T7601] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.516 (7601) [ 120.013526][ T7625] loop1: detected capacity change from 0 to 32768 [ 120.020861][ T7625] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.517 (7625) [ 120.077533][ T7627] BTRFS info (device loop2): scrub: started on devid 1 [ 120.090278][ T7627] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 120.306036][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 120.415103][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 10 /dev/loop2 scanned by udevd (4340) [ 120.498417][ T7631] loop3: detected capacity change from 0 to 32768 [ 120.508303][ T7631] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 10 [ 120.624463][ T4663] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 10 [ 120.664514][ T7633] loop2: detected capacity change from 0 to 32768 [ 120.683108][ T7633] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 120.684593][ T7633] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 120.685855][ T7633] BTRFS info (device loop2): using free space tree [ 120.734336][ T7638] loop0: detected capacity change from 0 to 32768 [ 120.740313][ T7638] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.522 (7638) [ 120.754054][ T7636] loop4: detected capacity change from 0 to 32768 [ 120.757400][ T7636] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.520 (7636) [ 120.799524][ T7640] loop1: detected capacity change from 0 to 32768 [ 120.802152][ T7640] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.521 (7640) [ 120.850369][ T7633] BTRFS info (device loop2): enabling ssd optimizations [ 120.928747][ T7663] BTRFS info (device loop2): scrub: started on devid 1 [ 120.931435][ T7663] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 120.968968][ T4356] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4356) [ 121.189588][ T7661] loop3: detected capacity change from 0 to 32768 [ 121.191799][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 121.198200][ T7661] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.523 (7661) [ 121.222940][ T7665] loop0: detected capacity change from 0 to 32768 [ 121.246695][ T7665] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.524 (7665) [ 121.456432][ T7669] loop4: detected capacity change from 0 to 32768 [ 121.466158][ T7669] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.525 (7669) [ 121.476239][ T7669] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 121.477835][ T7669] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 121.479359][ T7669] BTRFS info (device loop4): using free space tree [ 121.510208][ T4340] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4340) [ 121.557777][ T7672] loop2: detected capacity change from 0 to 32768 [ 121.559551][ T7672] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.526 (7672) [ 121.597844][ T7669] BTRFS info (device loop4): enabling ssd optimizations [ 121.611831][ T7674] loop1: detected capacity change from 0 to 32768 [ 121.626126][ T7674] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.527 (7674) [ 121.740281][ T7698] BTRFS info (device loop4): scrub: started on devid 1 [ 121.763134][ T7698] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 121.807068][ T7680] loop3: detected capacity change from 0 to 32768 [ 121.847565][ T7680] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.528 (7680) [ 121.965715][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 122.009944][ T7697] loop0: detected capacity change from 0 to 32768 [ 122.045295][ T7697] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.529 (7697) [ 122.068401][ T7700] loop2: detected capacity change from 0 to 32768 [ 122.074069][ T7700] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.530 (7700) [ 122.082893][ T7700] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 122.086683][ T7700] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 122.096780][ T7700] BTRFS info (device loop2): using free space tree 1970/01/01 00:02:02 executed programs: 525 [ 122.283510][ T7712] loop3: detected capacity change from 0 to 32768 [ 122.301917][ T7712] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.533 (7712) [ 122.318733][ T7700] BTRFS info (device loop2): enabling ssd optimizations [ 122.345736][ T7720] loop1: detected capacity change from 0 to 32768 [ 122.349001][ T7720] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.532 (7720) [ 122.396307][ T7729] BTRFS info (device loop2): scrub: started on devid 1 [ 122.425948][ T7705] loop4: detected capacity change from 0 to 32768 [ 122.434322][ T7729] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 122.450546][ T7705] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.531 (7705) [ 122.656091][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 122.690614][ T4356] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4356) [ 122.825386][ T7733] loop0: detected capacity change from 0 to 32768 [ 122.837198][ T7733] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by syz.0.534 (7733) [ 122.843468][ T7733] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 122.845025][ T7733] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 122.846389][ T7733] BTRFS info (device loop0): using free space tree [ 122.862196][ T4663] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4663) [ 122.960426][ T4340] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4340) [ 122.972518][ T7741] loop4: detected capacity change from 0 to 32768 [ 122.993181][ T7741] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.538 (7741) [ 123.018758][ T4663] blk_print_req_error: 4 callbacks suppressed [ 123.018773][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 123.032703][ T7733] BTRFS info (device loop0): enabling ssd optimizations [ 123.086998][ T7743] loop1: detected capacity change from 0 to 32768 [ 123.133895][ T7743] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.537 (7743) [ 123.139622][ T7739] loop3: detected capacity change from 0 to 32768 [ 123.150109][ T7739] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.536 (7739) [ 123.162159][ T7761] BTRFS info (device loop0): scrub: started on devid 1 [ 123.186749][ T7761] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 123.201773][ T4340] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 123.425659][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 123.653383][ T7766] loop2: detected capacity change from 0 to 32768 [ 123.658320][ T7766] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.539 (7766) [ 123.668807][ T7766] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 123.670385][ T7766] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 123.671720][ T7766] BTRFS info (device loop2): using free space tree [ 123.813197][ T7775] loop3: detected capacity change from 0 to 32768 [ 123.813961][ T7771] loop4: detected capacity change from 0 to 32768 [ 123.815751][ T7775] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.543 (7775) [ 123.816459][ T7774] loop1: detected capacity change from 0 to 32768 [ 123.829396][ T7774] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.542 (7774) [ 123.835723][ T7771] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.541 (7771) [ 123.839345][ T4663] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 123.855400][ T7766] BTRFS info (device loop2): enabling ssd optimizations [ 123.871419][ T7769] loop0: detected capacity change from 0 to 32768 [ 123.896576][ T7769] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.540 (7769) [ 123.924412][ T7793] BTRFS info (device loop2): scrub: started on devid 1 [ 123.926663][ T7793] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 124.142330][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 124.423396][ T7800] loop4: detected capacity change from 0 to 32768 [ 124.431562][ T7800] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.544 (7800) [ 124.435819][ T7800] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 124.437346][ T7800] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 124.458096][ T7800] BTRFS info (device loop4): using free space tree [ 124.504574][ T7802] loop2: detected capacity change from 0 to 32768 [ 124.511923][ T7802] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.545 (7802) [ 124.532974][ T7804] loop3: detected capacity change from 0 to 32768 [ 124.538859][ T4663] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 124.546890][ T7804] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.546 (7804) [ 124.641476][ T7800] BTRFS info (device loop4): enabling ssd optimizations [ 124.706390][ T7808] loop0: detected capacity change from 0 to 32768 [ 124.707108][ T7806] loop1: detected capacity change from 0 to 32768 [ 124.711645][ T7808] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.548 (7808) [ 124.738319][ T7806] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.547 (7806) [ 124.747677][ T7828] BTRFS info (device loop4): scrub: started on devid 1 [ 124.751981][ T7828] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 124.786985][ T4340] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4340) [ 124.788377][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 124.993269][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 125.236431][ T4663] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by udevd (4663) [ 125.258217][ T7835] loop3: detected capacity change from 0 to 32768 [ 125.264704][ T7833] loop2: detected capacity change from 0 to 32768 [ 125.266304][ T7833] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.549 (7833) [ 125.268364][ T7835] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 125.270150][ T7835] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 125.271607][ T7835] BTRFS info (device loop3): using free space tree [ 125.316824][ T7841] loop1: detected capacity change from 0 to 32768 [ 125.335679][ T4356] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 125.342848][ T7841] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.553 (7841) [ 125.488956][ T7835] BTRFS info (device loop3): enabling ssd optimizations [ 125.581925][ T7864] BTRFS info (device loop3): scrub: started on devid 1 [ 125.602131][ T7864] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 125.725943][ T5566] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (5566) [ 125.867259][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 125.901881][ T7866] loop1: detected capacity change from 0 to 32768 [ 125.909494][ T7866] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.555 (7866) [ 125.920247][ T2061] ieee802154 phy0 wpan0: encryption failed: -22 [ 125.921281][ T2061] ieee802154 phy1 wpan1: encryption failed: -22 [ 125.932662][ T7868] loop0: detected capacity change from 0 to 32768 [ 125.934295][ T7868] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by syz.0.554 (7868) [ 125.937065][ T7868] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 125.938874][ T7868] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 125.940257][ T7868] BTRFS info (device loop0): using free space tree [ 126.121935][ T7873] loop4: detected capacity change from 0 to 32768 [ 126.126137][ T7873] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.557 (7873) [ 126.168169][ T7868] BTRFS info (device loop0): enabling ssd optimizations [ 126.237842][ T7871] loop2: detected capacity change from 0 to 32768 [ 126.248251][ T7897] BTRFS info (device loop0): scrub: started on devid 1 [ 126.251347][ T7897] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 126.253756][ T7871] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.556 (7871) [ 126.344525][ T7877] loop3: detected capacity change from 0 to 32768 [ 126.351833][ T7877] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.558 (7877) [ 126.433132][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 126.514053][ T4356] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4356) [ 126.553722][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 126.674873][ T7900] loop1: detected capacity change from 0 to 32768 [ 126.700713][ T7900] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by syz.1.560 (7900) [ 126.708273][ T7900] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 126.709732][ T7900] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 126.711089][ T7900] BTRFS info (device loop1): using free space tree [ 126.804567][ T5566] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (5566) [ 126.851132][ T7913] loop3: detected capacity change from 0 to 32768 [ 126.857711][ T7913] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.563 (7913) [ 126.872970][ T7900] BTRFS info (device loop1): enabling ssd optimizations [ 126.961071][ T7928] BTRFS info (device loop1): scrub: started on devid 1 [ 126.992404][ T7904] loop2: detected capacity change from 0 to 32768 [ 126.998656][ T7904] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.562 (7904) [ 126.999654][ T7928] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 127.124825][ T4916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4916) [ 127.263614][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f 1970/01/01 00:02:07 executed programs: 559 [ 127.325888][ T7930] loop4: detected capacity change from 0 to 32768 [ 127.351529][ T7930] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.564 (7930) [ 127.357297][ T7930] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 127.363308][ T7930] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 127.364664][ T7930] BTRFS info (device loop4): using free space tree [ 127.367136][ T7932] loop3: detected capacity change from 0 to 32768 [ 127.372243][ T7932] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.565 (7932) [ 127.381094][ T4663] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 11 scanned by udevd (4663) [ 127.640170][ T7930] BTRFS info (device loop4): enabling ssd optimizations [ 127.741743][ T7945] loop0: detected capacity change from 0 to 32768 [ 127.752213][ T7945] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.567 (7945) [ 127.773172][ T7964] BTRFS info (device loop4): scrub: started on devid 1 [ 127.785628][ T7964] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 127.819984][ T7951] loop2: detected capacity change from 0 to 32768 [ 127.830786][ T7951] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.568 (7951) [ 127.938611][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 128.081169][ T7963] loop1: detected capacity change from 0 to 32768 [ 128.085964][ T7963] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by syz.1.569 (7963) [ 128.118422][ T7963] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 128.120180][ T7963] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 128.121561][ T7963] BTRFS info (device loop1): using free space tree [ 128.166260][ T7968] loop3: detected capacity change from 0 to 32768 [ 128.167940][ T7968] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.570 (7968) [ 128.170994][ T4663] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4663) [ 128.216239][ T4340] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4340) [ 128.264153][ T4916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4916) [ 128.346919][ T7963] BTRFS info (device loop1): enabling ssd optimizations [ 128.407791][ T7994] BTRFS info (device loop1): scrub: started on devid 1 [ 128.459078][ T7994] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 128.464795][ T7978] loop0: detected capacity change from 0 to 32768 [ 128.470387][ T7978] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.572 (7978) [ 128.542496][ T7974] loop2: detected capacity change from 0 to 32768 [ 128.550587][ T7974] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.573 (7974) [ 128.569311][ T7971] loop4: detected capacity change from 0 to 32768 [ 128.579211][ T7971] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.571 (7971) [ 128.627425][ T4356] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 128.644992][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 128.766202][ T4916] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by udevd (4916) [ 128.961850][ T8001] loop1: detected capacity change from 0 to 32768 [ 128.974894][ T8001] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 128.976540][ T8001] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 128.983937][ T8001] BTRFS info (device loop1): using free space tree [ 129.042012][ T7999] loop3: detected capacity change from 0 to 32768 [ 129.050651][ T7999] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.574 (7999) [ 129.085255][ T4356] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 129.169708][ T8015] loop4: detected capacity change from 0 to 32768 [ 129.174700][ T8015] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.578 (8015) [ 129.219031][ T8001] BTRFS info (device loop1): enabling ssd optimizations [ 129.262617][ T5566] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 129.320189][ T8033] BTRFS info (device loop1): scrub: started on devid 1 [ 129.371265][ T8033] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 129.396909][ T8032] loop3: detected capacity change from 0 to 32768 [ 129.404013][ T8032] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.579 (8032) [ 129.703698][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 129.789025][ T8038] loop2: detected capacity change from 0 to 32768 [ 129.800501][ T8038] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.580 (8038) [ 129.808982][ T8038] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 129.810611][ T8038] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 129.811877][ T8038] BTRFS info (device loop2): using free space tree [ 129.903181][ T8041] loop0: detected capacity change from 0 to 32768 [ 129.905080][ T8041] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.582 (8041) [ 129.939405][ T4356] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4356) [ 129.999783][ T8047] loop4: detected capacity change from 0 to 32768 [ 130.018416][ T8047] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.584 (8047) [ 130.061598][ T8045] loop3: detected capacity change from 0 to 32768 [ 130.064522][ T8043] loop1: detected capacity change from 0 to 32768 [ 130.066589][ T8038] BTRFS info (device loop2): enabling ssd optimizations [ 130.072683][ T8043] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.581 (8043) [ 130.075425][ T8045] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.583 (8045) [ 130.104821][ T4356] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 130.160295][ T8066] BTRFS info (device loop2): scrub: started on devid 1 [ 130.192720][ T8066] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 130.424815][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 130.463608][ T8068] loop0: detected capacity change from 0 to 32768 [ 130.465148][ T8068] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.585 (8068) [ 130.766408][ T4356] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by udevd (4356) [ 130.786230][ T8075] loop3: detected capacity change from 0 to 32768 [ 130.816228][ T8075] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 130.817918][ T8075] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 130.819329][ T8075] BTRFS info (device loop3): using free space tree [ 130.836486][ T8079] loop1: detected capacity change from 0 to 32768 [ 130.838498][ T8079] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.589 (8079) [ 130.847404][ T8081] loop4: detected capacity change from 0 to 32768 [ 130.852873][ T8081] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.588 (8081) [ 131.062983][ T8075] BTRFS info (device loop3): enabling ssd optimizations [ 131.205082][ T8108] BTRFS info (device loop3): scrub: started on devid 1 [ 131.207887][ T8108] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 131.330185][ T8107] loop0: detected capacity change from 0 to 32768 [ 131.346149][ T8107] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.591 (8107) [ 131.438922][ T4916] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 131.472735][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 131.726005][ T8110] loop2: detected capacity change from 0 to 32768 [ 131.750577][ T8110] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.592 (8110) [ 131.765845][ T8110] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 131.767441][ T8110] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 131.772411][ T8110] BTRFS info (device loop2): using free space tree [ 131.776473][ T8113] loop4: detected capacity change from 0 to 32768 [ 131.784410][ T8115] loop1: detected capacity change from 0 to 32768 [ 131.802864][ T8113] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.593 (8113) [ 131.804837][ T8115] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.595 (8115) [ 131.874145][ T8118] loop3: detected capacity change from 0 to 32768 [ 131.879245][ T8118] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.594 (8118) [ 131.891166][ T5566] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 132.023066][ T4663] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 132.058084][ T8110] BTRFS info (device loop2): enabling ssd optimizations [ 132.166215][ T8142] BTRFS info (device loop2): scrub: started on devid 1 [ 132.187427][ T8142] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 132.193744][ T8129] loop0: detected capacity change from 0 to 32768 [ 132.226215][ T8129] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.596 (8129) [ 132.266508][ T4916] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 1970/01/01 00:02:12 executed programs: 592 [ 132.433834][ T4356] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4356) [ 132.456122][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 132.542892][ T8146] loop3: detected capacity change from 0 to 32768 [ 132.547872][ T8146] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.598 (8146) [ 132.560035][ T8146] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 132.561723][ T8146] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 132.563147][ T8146] BTRFS info (device loop3): using free space tree [ 132.686438][ T8146] BTRFS info (device loop3): enabling ssd optimizations [ 132.697588][ T8149] loop1: detected capacity change from 0 to 32768 [ 132.726391][ T8149] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.600 (8149) [ 132.746500][ T8167] loop0: detected capacity change from 0 to 32768 [ 132.755072][ T8173] BTRFS info (device loop3): scrub: started on devid 1 [ 132.757797][ T8173] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 132.758294][ T8167] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.601 (8167) [ 132.860449][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 132.872107][ T8152] loop2: detected capacity change from 0 to 32768 [ 132.875619][ T8152] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.599 (8152) [ 132.981706][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 133.116687][ T5566] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by udevd (5566) [ 133.293477][ T8178] loop4: detected capacity change from 0 to 32768 [ 133.309163][ T8178] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 133.310749][ T8178] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 133.312067][ T8178] BTRFS info (device loop4): using free space tree [ 133.497748][ T8186] loop1: detected capacity change from 0 to 32768 [ 133.499695][ T8186] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.605 (8186) [ 133.513258][ T8178] BTRFS info (device loop4): enabling ssd optimizations [ 133.594313][ T8208] BTRFS info (device loop4): scrub: started on devid 1 [ 133.597734][ T8208] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 133.650456][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 133.751265][ T8196] loop2: detected capacity change from 0 to 32768 [ 133.772112][ T8196] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.606 (8196) [ 133.927631][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 133.999379][ T8211] loop0: detected capacity change from 0 to 32768 [ 134.001011][ T8211] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by syz.0.607 (8211) [ 134.003938][ T8211] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 134.005412][ T8211] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 134.006682][ T8211] BTRFS info (device loop0): using free space tree [ 134.012391][ T8214] loop3: detected capacity change from 0 to 32768 [ 134.015935][ T8214] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.608 (8214) [ 134.057429][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 134.134682][ T8217] loop1: detected capacity change from 0 to 32768 [ 134.136758][ T8217] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.610 (8217) [ 134.180515][ T8211] BTRFS info (device loop0): enabling ssd optimizations [ 134.250755][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 134.275892][ T8240] BTRFS info (device loop0): scrub: started on devid 1 [ 134.309642][ T8240] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 134.355066][ T8242] loop2: detected capacity change from 0 to 32768 [ 134.356835][ T8242] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.611 (8242) [ 134.380361][ T8220] loop4: detected capacity change from 0 to 32768 [ 134.398853][ T8220] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.609 (8220) [ 134.603804][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 134.617585][ T5566] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (5566) [ 134.844795][ T8247] loop3: detected capacity change from 0 to 32768 [ 134.858892][ T8247] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.612 (8247) [ 134.863485][ T8247] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 134.865003][ T8247] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 134.866343][ T8247] BTRFS info (device loop3): using free space tree [ 134.870913][ T8249] loop2: detected capacity change from 0 to 32768 [ 134.883574][ T8249] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.615 (8249) [ 134.914268][ T8251] loop1: detected capacity change from 0 to 32768 [ 134.915993][ T8251] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.614 (8251) [ 135.026203][ T8259] loop4: detected capacity change from 0 to 32768 [ 135.027962][ T8259] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.616 (8259) [ 135.078132][ T8247] BTRFS info (device loop3): enabling ssd optimizations [ 135.137297][ T8253] loop0: detected capacity change from 0 to 32768 [ 135.162944][ T8277] BTRFS info (device loop3): scrub: started on devid 1 [ 135.165600][ T8277] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 135.173609][ T8253] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.613 (8253) [ 135.394876][ T8278] loop1: detected capacity change from 0 to 32768 [ 135.396629][ T8278] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.617 (8278) [ 135.457621][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 135.692067][ T4356] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by udevd (4356) [ 135.747113][ T8285] loop2: detected capacity change from 0 to 32768 [ 135.767197][ T8287] loop3: detected capacity change from 0 to 32768 [ 135.781073][ T8287] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.619 (8287) [ 135.788399][ T8285] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 135.790048][ T8285] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 135.791725][ T8285] BTRFS info (device loop2): using free space tree [ 135.841020][ T8289] loop4: detected capacity change from 0 to 32768 [ 135.843794][ T8289] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.620 (8289) [ 135.904947][ T8291] loop0: detected capacity change from 0 to 32768 [ 135.925627][ T4916] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 135.936960][ T8291] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.621 (8291) [ 136.006387][ T8285] BTRFS info (device loop2): enabling ssd optimizations [ 136.098885][ T8317] BTRFS info (device loop2): scrub: started on devid 1 [ 136.105166][ T8317] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 136.195839][ T8298] loop1: detected capacity change from 0 to 32768 [ 136.210840][ T8298] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.622 (8298) [ 136.373471][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 136.394965][ T4663] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4663) [ 136.488803][ T8320] loop3: detected capacity change from 0 to 32768 [ 136.490774][ T8320] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.623 (8320) [ 136.493478][ T8320] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 136.498648][ T8320] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 136.500003][ T8320] BTRFS info (device loop3): using free space tree [ 136.623272][ T8324] loop4: detected capacity change from 0 to 32768 [ 136.631759][ T8324] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.625 (8324) [ 136.658177][ T8320] BTRFS info (device loop3): enabling ssd optimizations [ 136.684533][ T8338] loop0: detected capacity change from 0 to 32768 [ 136.689285][ T8338] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.626 (8338) [ 136.708850][ T4916] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 136.723010][ T8348] BTRFS info (device loop3): scrub: started on devid 1 [ 136.725272][ T8348] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 136.830469][ T8326] loop2: detected capacity change from 0 to 32768 [ 136.838351][ T8326] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.624 (8326) [ 136.973389][ T8335] loop1: detected capacity change from 0 to 32768 [ 136.988169][ T8335] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.627 (8335) [ 137.002992][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 137.132491][ T5566] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by udevd (5566) [ 137.474270][ T8360] loop4: detected capacity change from 0 to 32768 [ 137.481862][ T8360] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 137.483381][ T8360] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 137.494983][ T8360] BTRFS info (device loop4): using free space tree [ 137.524449][ T8362] loop2: detected capacity change from 0 to 32768 [ 137.534437][ T8362] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.631 (8362) [ 137.574493][ T8365] loop1: detected capacity change from 0 to 32768 [ 137.576339][ T8365] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.632 (8365) 1970/01/01 00:02:17 executed programs: 626 [ 137.649021][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 137.663629][ T4916] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 137.668358][ T8360] BTRFS info (device loop4): enabling ssd optimizations [ 137.742326][ T8388] BTRFS info (device loop4): scrub: started on devid 1 [ 137.745063][ T8388] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 138.015103][ T8392] loop3: detected capacity change from 0 to 32768 [ 138.023843][ T8384] loop0: detected capacity change from 0 to 32768 [ 138.024059][ T8392] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.634 (8392) [ 138.027142][ T8384] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.633 (8384) [ 138.050394][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 138.123452][ T4356] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 138.302433][ T8394] loop2: detected capacity change from 0 to 32768 [ 138.327220][ T8394] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.635 (8394) [ 138.333203][ T8394] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 138.334698][ T8394] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 138.336094][ T8394] BTRFS info (device loop2): using free space tree [ 138.377355][ T8399] loop4: detected capacity change from 0 to 32768 [ 138.381794][ T8396] loop1: detected capacity change from 0 to 32768 [ 138.390748][ T8396] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.637 (8396) [ 138.393280][ T8399] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.636 (8399) [ 138.433122][ T4340] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 138.472686][ T4916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4916) [ 138.514414][ T8394] BTRFS info (device loop2): enabling ssd optimizations [ 138.608508][ T8425] BTRFS info (device loop2): scrub: started on devid 1 [ 138.615691][ T8425] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 138.625740][ T8415] loop0: detected capacity change from 0 to 32768 [ 138.628462][ T8415] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.639 (8415) [ 138.710628][ T5566] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 138.917229][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 139.161150][ T8431] loop1: detected capacity change from 0 to 32768 [ 139.162901][ T8431] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by syz.1.640 (8431) [ 139.168244][ T8431] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 139.170062][ T8431] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 139.171444][ T8431] BTRFS info (device loop1): using free space tree [ 139.233494][ T8435] loop2: detected capacity change from 0 to 32768 [ 139.235995][ T8433] loop4: detected capacity change from 0 to 32768 [ 139.239584][ T8435] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.642 (8435) [ 139.241893][ T8433] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.641 (8433) [ 139.273686][ T8437] loop3: detected capacity change from 0 to 32768 [ 139.275687][ T8437] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.643 (8437) [ 139.325723][ T4916] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 139.325850][ T4356] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 139.331286][ T4340] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 139.413098][ T8431] BTRFS info (device loop1): enabling ssd optimizations [ 139.530858][ T8461] BTRFS info (device loop1): scrub: started on devid 1 [ 139.533690][ T8461] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 139.608823][ T8441] loop0: detected capacity change from 0 to 32768 [ 139.618128][ T8441] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.644 (8441) [ 139.787586][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 139.847624][ T8463] loop2: detected capacity change from 0 to 32768 [ 139.857315][ T8463] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.645 (8463) [ 139.947833][ T4356] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by udevd (4356) [ 140.045650][ T8467] loop3: detected capacity change from 0 to 32768 [ 140.067444][ T8467] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 140.078344][ T8467] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 140.079898][ T8467] BTRFS info (device loop3): using free space tree [ 140.083555][ T8469] loop4: detected capacity change from 0 to 32768 [ 140.095838][ T8469] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.648 (8469) [ 140.126075][ T4916] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4916) [ 140.292960][ T8467] BTRFS info (device loop3): enabling ssd optimizations [ 140.496461][ T8501] BTRFS info (device loop3): scrub: started on devid 1 [ 140.514424][ T8501] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 140.532839][ T8488] loop2: detected capacity change from 0 to 32768 [ 140.558287][ T8488] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.650 (8488) [ 140.592949][ T5566] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (5566) [ 140.680698][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 140.805244][ T8503] loop0: detected capacity change from 0 to 32768 [ 140.829903][ T8503] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by syz.0.652 (8503) [ 140.838869][ T8503] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 140.840670][ T8503] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 140.842054][ T8503] BTRFS info (device loop0): using free space tree [ 140.912117][ T8506] loop1: detected capacity change from 0 to 32768 [ 140.924866][ T8506] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.653 (8506) [ 140.995494][ T8514] loop4: detected capacity change from 0 to 32768 [ 140.997184][ T8514] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.655 (8514) [ 141.012819][ T8503] BTRFS info (device loop0): enabling ssd optimizations [ 141.031162][ T8508] loop3: detected capacity change from 0 to 32768 [ 141.032867][ T8508] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.654 (8508) [ 141.086290][ T5566] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 141.093955][ T8530] BTRFS info (device loop0): scrub: started on devid 1 [ 141.113178][ T4340] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 141.120608][ T8530] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 [ 141.397760][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 141.460624][ T4916] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by udevd (4916) [ 141.532035][ T8533] loop2: detected capacity change from 0 to 32768 [ 141.537018][ T8533] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 11 [ 141.658142][ T4340] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 141.842542][ T8544] loop3: detected capacity change from 0 to 32768 [ 141.846490][ T8544] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 11 [ 141.862272][ T8542] loop4: detected capacity change from 0 to 32768 [ 141.868528][ T8542] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 11 [ 142.155255][ T8549] loop1: detected capacity change from 0 to 32768 [ 142.159759][ T8549] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 11 [ 142.331530][ T8554] loop0: detected capacity change from 0 to 32768 [ 142.338594][ T8554] BTRFS info (device loop0): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 142.340076][ T8554] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 142.348220][ T8554] BTRFS info (device loop0): using free space tree [ 142.357470][ T8555] loop2: detected capacity change from 0 to 32768 [ 142.359766][ T8555] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.662 (8555) [ 142.411078][ T4916] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 142.459098][ T8557] loop3: detected capacity change from 0 to 32768 [ 142.465096][ T8557] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.664 (8557) [ 142.532854][ T8554] BTRFS info (device loop0): enabling ssd optimizations [ 142.566227][ T8559] loop4: detected capacity change from 0 to 32768 [ 142.592325][ T8559] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.665 (8559) [ 142.605170][ T8583] BTRFS info (device loop0): scrub: started on devid 1 [ 142.609255][ T8583] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0 1970/01/01 00:02:22 executed programs: 659 [ 142.668100][ T4356] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 142.894357][ T4340] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4340) [ 142.935675][ T4452] BTRFS info (device loop0): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 143.037301][ T8585] loop1: detected capacity change from 0 to 32768 [ 143.061673][ T8585] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by syz.1.667 (8585) [ 143.070853][ T8585] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 143.072643][ T8585] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 143.073992][ T8585] BTRFS info (device loop1): using free space tree [ 143.123196][ T8589] loop2: detected capacity change from 0 to 32768 [ 143.124927][ T8589] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.668 (8589) [ 143.180368][ T4356] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 143.235749][ T8585] BTRFS info (device loop1): enabling ssd optimizations [ 143.251652][ T8606] loop3: detected capacity change from 0 to 32768 [ 143.253330][ T8606] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.671 (8606) [ 143.309308][ T8615] BTRFS info (device loop1): scrub: started on devid 1 [ 143.312235][ T8615] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 143.444707][ T8593] loop0: detected capacity change from 0 to 32768 [ 143.447388][ T8593] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.669 (8593) [ 143.477956][ T8598] loop4: detected capacity change from 0 to 32768 [ 143.498182][ T8598] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.670 (8598) [ 143.601777][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 143.865952][ T4356] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by udevd (4356) [ 143.983937][ T8624] loop2: detected capacity change from 0 to 32768 [ 143.992650][ T8626] loop3: detected capacity change from 0 to 32768 [ 143.995242][ T8624] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 143.996911][ T8624] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 143.999192][ T8624] BTRFS info (device loop2): using free space tree [ 144.004377][ T8626] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.674 (8626) [ 144.048124][ T5566] blk_print_req_error: 1 callbacks suppressed [ 144.048141][ T5566] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 144.145364][ T8624] BTRFS info (device loop2): enabling ssd optimizations [ 144.212025][ T8654] BTRFS info (device loop2): scrub: started on devid 1 [ 144.214373][ T8654] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 144.603229][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 144.691310][ T8658] loop1: detected capacity change from 0 to 32768 [ 144.696632][ T8658] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by syz.1.678 (8658) [ 144.709281][ T8658] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 144.710852][ T8658] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 144.719562][ T8658] BTRFS info (device loop1): using free space tree [ 144.860236][ T8663] loop0: detected capacity change from 0 to 32768 [ 144.874837][ T8658] BTRFS info (device loop1): enabling ssd optimizations [ 144.913747][ T8663] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.680 (8663) [ 144.924914][ T8661] loop3: detected capacity change from 0 to 32768 [ 144.943034][ T8684] BTRFS info (device loop1): scrub: started on devid 1 [ 144.954140][ T8661] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.679 (8661) [ 144.961547][ T8684] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 144.981771][ T4340] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 145.240894][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 145.301394][ T4916] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 15 /dev/loop1 scanned by udevd (4916) [ 145.444921][ T8688] loop4: detected capacity change from 0 to 32768 [ 145.446688][ T8688] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15 [ 145.462358][ T8691] loop2: detected capacity change from 0 to 32768 [ 145.468159][ T8691] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15 [ 145.511291][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 145.548103][ T8694] loop1: detected capacity change from 0 to 32768 [ 145.557061][ T8694] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 145.558867][ T8694] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 145.560251][ T8694] BTRFS info (device loop1): using free space tree [ 145.576305][ T4340] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 145.661737][ T8699] loop0: detected capacity change from 0 to 32768 [ 145.666169][ T8699] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.686 (8699) [ 145.764131][ T8698] loop3: detected capacity change from 0 to 32768 [ 145.776899][ T8698] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.685 (8698) [ 145.786853][ T8694] BTRFS info (device loop1): enabling ssd optimizations [ 145.838150][ T5566] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 145.883882][ T8724] BTRFS info (device loop1): scrub: started on devid 1 [ 145.900601][ T8724] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 146.021598][ T4356] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4356) [ 146.124286][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 146.149861][ T8723] loop4: detected capacity change from 0 to 32768 [ 146.165412][ T8723] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.687 (8723) [ 146.357659][ T8728] loop2: detected capacity change from 0 to 32768 [ 146.373248][ T8728] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.689 (8728) [ 146.387068][ T8728] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 146.388809][ T8728] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 146.393571][ T8728] BTRFS info (device loop2): using free space tree [ 146.491373][ T8731] loop1: detected capacity change from 0 to 32768 [ 146.507898][ T8731] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.690 (8731) [ 146.520962][ T8733] loop3: detected capacity change from 0 to 32768 [ 146.522606][ T8733] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.691 (8733) [ 146.555455][ T8728] BTRFS info (device loop2): enabling ssd optimizations [ 146.617060][ T8756] BTRFS info (device loop2): scrub: started on devid 1 [ 146.619686][ T8756] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 146.776298][ T8738] loop0: detected capacity change from 0 to 32768 [ 146.781682][ T8738] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.692 (8738) [ 146.833877][ T4340] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4340) [ 146.947364][ T8758] loop4: detected capacity change from 0 to 32768 [ 146.949187][ T8758] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.693 (8758) [ 146.950721][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 147.044751][ T8761] loop3: detected capacity change from 0 to 32768 [ 147.057977][ T5566] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 147.064950][ T8761] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.694 (8761) [ 147.067681][ T8761] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 147.088294][ T8761] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 147.089864][ T8761] BTRFS info (device loop3): using free space tree [ 147.271342][ T4356] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4356) [ 147.281615][ T8764] loop1: detected capacity change from 0 to 32768 [ 147.305462][ T8764] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.696 (8764) [ 147.338195][ T8761] BTRFS info (device loop3): enabling ssd optimizations [ 147.342202][ T4340] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4340) [ 147.425553][ T8789] BTRFS info (device loop3): scrub: started on devid 1 [ 147.427875][ T8789] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 147.453359][ T8766] loop2: detected capacity change from 0 to 32768 [ 147.466988][ T8773] loop0: detected capacity change from 0 to 32768 [ 147.468460][ T8766] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.695 (8766) [ 147.490963][ T8773] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.697 (8773) [ 147.511882][ T4663] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 1970/01/01 00:02:27 executed programs: 692 [ 147.674054][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 147.685534][ T4356] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4356) [ 147.800164][ T8791] loop4: detected capacity change from 0 to 32768 [ 147.802425][ T8791] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.698 (8791) [ 147.813172][ T8791] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 147.819382][ T8791] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 147.824217][ T8791] BTRFS info (device loop4): using free space tree [ 147.988961][ T8796] loop1: detected capacity change from 0 to 32768 [ 147.999644][ T8796] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.700 (8796) [ 148.017243][ T8791] BTRFS info (device loop4): enabling ssd optimizations [ 148.053296][ T8808] loop0: detected capacity change from 0 to 32768 [ 148.078075][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 148.088542][ T8808] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.701 (8808) [ 148.106639][ T8821] BTRFS info (device loop4): scrub: started on devid 1 [ 148.108853][ T8821] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 148.156272][ T8798] loop3: detected capacity change from 0 to 32768 [ 148.178223][ T8798] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.699 (8798) [ 148.251932][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 148.327292][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 148.334641][ T8819] loop2: detected capacity change from 0 to 32768 [ 148.342536][ T8819] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.702 (8819) [ 148.412261][ T4356] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by udevd (4356) [ 148.433660][ T4663] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 148.810253][ T8833] loop1: detected capacity change from 0 to 32768 [ 148.816379][ T8833] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 148.817891][ T8833] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 148.828250][ T8833] BTRFS info (device loop1): using free space tree [ 148.950734][ T8835] loop3: detected capacity change from 0 to 32768 [ 148.953009][ T8835] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.706 (8835) [ 149.046768][ T8845] loop2: detected capacity change from 0 to 32768 [ 149.052085][ T8845] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.707 (8845) [ 149.061712][ T8833] BTRFS info (device loop1): enabling ssd optimizations [ 149.137693][ T8861] BTRFS info (device loop1): scrub: started on devid 1 [ 149.188595][ T8861] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 149.203807][ T8860] loop0: detected capacity change from 0 to 32768 [ 149.206171][ T8860] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.708 (8860) [ 149.466275][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 149.513806][ T8864] loop4: detected capacity change from 0 to 32768 [ 149.530132][ T8864] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.709 (8864) [ 149.533964][ T8864] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 149.535436][ T8864] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 149.536997][ T8864] BTRFS info (device loop4): using free space tree [ 149.717674][ T8864] BTRFS info (device loop4): enabling ssd optimizations [ 149.734337][ T8881] loop2: detected capacity change from 0 to 32768 [ 149.740948][ T8881] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.712 (8881) [ 149.795092][ T8893] BTRFS info (device loop4): scrub: started on devid 1 [ 149.850835][ T8874] loop3: detected capacity change from 0 to 32768 [ 149.856576][ T8874] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.711 (8874) [ 149.874153][ T8893] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 149.891587][ T8869] loop1: detected capacity change from 0 to 32768 [ 149.904298][ T8869] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.710 (8869) [ 149.935342][ T8892] loop0: detected capacity change from 0 to 32768 [ 149.943215][ T8892] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.713 (8892) [ 149.993604][ T4356] blk_print_req_error: 1 callbacks suppressed [ 149.993618][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 150.076989][ T4663] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4663) [ 150.128473][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 150.213421][ T4340] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4340) [ 150.445653][ T8899] loop2: detected capacity change from 0 to 32768 [ 150.462291][ T8904] loop3: detected capacity change from 0 to 32768 [ 150.468136][ T8899] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.714 (8899) [ 150.475670][ T8904] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.716 (8904) [ 150.478221][ T8899] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 150.479754][ T8899] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 150.481036][ T8899] BTRFS info (device loop2): using free space tree [ 150.545246][ T8903] loop4: detected capacity change from 0 to 32768 [ 150.549269][ T8903] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.715 (8903) [ 150.582695][ T8906] loop1: detected capacity change from 0 to 32768 [ 150.587537][ T8906] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.717 (8906) [ 150.628360][ T8899] BTRFS info (device loop2): enabling ssd optimizations [ 150.696765][ T8928] BTRFS info (device loop2): scrub: started on devid 1 [ 150.697035][ T8908] loop0: detected capacity change from 0 to 32768 [ 150.707153][ T8928] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 150.722161][ T8908] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.718 (8908) [ 150.727821][ T4663] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4663) [ 150.804786][ T5566] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 150.937045][ T4356] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4356) [ 151.061282][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 151.181619][ T8931] loop3: detected capacity change from 0 to 32768 [ 151.193963][ T8931] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.719 (8931) [ 151.196724][ T8931] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 151.204038][ T8931] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 151.205596][ T8931] BTRFS info (device loop3): using free space tree [ 151.213851][ T8934] loop1: detected capacity change from 0 to 32768 [ 151.225356][ T8934] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.720 (8934) [ 151.258168][ T8936] loop4: detected capacity change from 0 to 32768 [ 151.268898][ T8936] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.721 (8936) [ 151.352683][ T8931] BTRFS info (device loop3): enabling ssd optimizations [ 151.413959][ T8961] BTRFS info (device loop3): scrub: started on devid 1 [ 151.416123][ T8961] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 151.548729][ T8941] loop0: detected capacity change from 0 to 32768 [ 151.567856][ T8941] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.723 (8941) [ 151.724332][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 151.807362][ T4916] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by udevd (4916) [ 151.980914][ T8966] loop2: detected capacity change from 0 to 32768 [ 151.991919][ T8969] loop1: detected capacity change from 0 to 32768 [ 152.000051][ T8969] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.725 (8969) [ 152.002050][ T8966] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 152.003539][ T8966] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 152.004845][ T8966] BTRFS info (device loop2): using free space tree [ 152.067064][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 152.091710][ T8974] loop4: detected capacity change from 0 to 32768 [ 152.095484][ T8971] loop3: detected capacity change from 0 to 32768 [ 152.097068][ T8971] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.726 (8971) [ 152.104033][ T8974] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.727 (8974) [ 152.157799][ T8966] BTRFS info (device loop2): enabling ssd optimizations [ 152.234419][ T8976] loop0: detected capacity change from 0 to 32768 [ 152.244992][ T5566] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 152.251302][ T8976] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.728 (8976) [ 152.278276][ T8996] BTRFS info (device loop2): scrub: started on devid 1 [ 152.281252][ T8996] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 152.318915][ T4916] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 152.320509][ T4663] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 152.474810][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f 1970/01/01 00:02:32 executed programs: 724 [ 152.747504][ T9001] loop1: detected capacity change from 0 to 32768 [ 152.757138][ T9001] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by syz.1.729 (9001) [ 152.766683][ T9001] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 152.770832][ T9001] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 152.772247][ T9001] BTRFS info (device loop1): using free space tree [ 152.867457][ T9004] loop2: detected capacity change from 0 to 32768 [ 152.898215][ T9001] BTRFS info (device loop1): enabling ssd optimizations [ 152.899768][ T9004] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.730 (9004) [ 152.926399][ T9006] loop4: detected capacity change from 0 to 32768 [ 152.931727][ T9008] loop3: detected capacity change from 0 to 32768 [ 152.939104][ T9006] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.731 (9006) [ 152.945926][ T9008] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.732 (9008) [ 152.968680][ T9029] BTRFS info (device loop1): scrub: started on devid 1 [ 152.989333][ T9029] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 152.998414][ T4356] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 153.009268][ T9015] loop0: detected capacity change from 0 to 32768 [ 153.014903][ T9015] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.733 (9015) [ 153.257434][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 153.297880][ T4663] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4663) [ 153.364968][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by udevd (4340) [ 153.594728][ T9035] loop3: detected capacity change from 0 to 32768 [ 153.617393][ T9035] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 153.619221][ T9035] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 153.620579][ T9035] BTRFS info (device loop3): using free space tree [ 153.677563][ T9042] loop4: detected capacity change from 0 to 32768 [ 153.700081][ T9042] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.738 (9042) [ 153.738110][ T4356] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 153.831013][ T9035] BTRFS info (device loop3): enabling ssd optimizations [ 153.897964][ T9068] BTRFS info (device loop3): scrub: started on devid 1 [ 153.938931][ T9068] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 154.000604][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 154.237801][ T9070] loop2: detected capacity change from 0 to 32768 [ 154.261305][ T9070] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.739 (9070) [ 154.264345][ T9070] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 154.265860][ T9070] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 154.288424][ T9070] BTRFS info (device loop2): using free space tree [ 154.358534][ T9076] loop4: detected capacity change from 0 to 32768 [ 154.378629][ T9076] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.741 (9076) [ 154.430656][ T9082] loop0: detected capacity change from 0 to 32768 [ 154.432747][ T9082] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.743 (9082) [ 154.442085][ T9070] BTRFS info (device loop2): enabling ssd optimizations [ 154.458171][ T5566] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 154.515165][ T4356] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 154.550858][ T9099] BTRFS info (device loop2): scrub: started on devid 1 [ 154.557128][ T9078] loop1: detected capacity change from 0 to 32768 [ 154.561386][ T9099] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 154.577135][ T9078] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.742 (9078) [ 154.796583][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 155.025856][ T9104] loop3: detected capacity change from 0 to 32768 [ 155.058761][ T9104] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.744 (9104) [ 155.061404][ T9104] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 155.062802][ T9104] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 155.064072][ T9104] BTRFS info (device loop3): using free space tree [ 155.175701][ T9113] loop1: detected capacity change from 0 to 32768 [ 155.204938][ T9113] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.748 (9113) [ 155.233357][ T9109] loop0: detected capacity change from 0 to 32768 [ 155.257355][ T9111] loop4: detected capacity change from 0 to 32768 [ 155.260815][ T9111] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.747 (9111) [ 155.264324][ T9109] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.746 (9109) [ 155.266105][ T4663] blk_print_req_error: 1 callbacks suppressed [ 155.266115][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 155.298972][ T9104] BTRFS info (device loop3): enabling ssd optimizations [ 155.363462][ T9133] BTRFS info (device loop3): scrub: started on devid 1 [ 155.368563][ T288] ------------[ cut here ]------------ [ 155.369549][ T288] WARNING: CPU: 0 PID: 288 at fs/btrfs/block-group.c:3715 btrfs_chunk_alloc+0xe08/0x1150 [ 155.370904][ T288] Modules linked in: [ 155.371482][ T288] CPU: 0 PID: 288 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 155.372566][ T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 155.373965][ T288] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 155.375071][ T288] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 155.376339][ T288] pc : btrfs_chunk_alloc+0xe08/0x1150 [ 155.377120][ T288] lr : btrfs_chunk_alloc+0xe08/0x1150 [ 155.377886][ T288] sp : ffff8000205778c0 [ 155.378527][ T288] x29: ffff800020577920 x28: ffff0000e0c87000 x27: ffffffffffffffe4 [ 155.379692][ T288] x26: ffff0000ef7a0000 x25: 1fffe0001b480f13 x24: ffff0000ef7a0000 [ 155.380835][ T288] x23: ffff0000dfa88150 x22: 0000000000000000 x21: 0000000000000000 [ 155.381928][ T288] x20: ffff0000da407800 x19: dfff800000000000 x18: ffff800011a5bd40 [ 155.383053][ T288] x17: 0000000000000000 x16: ffff8000082d3a08 x15: 0000000000000000 [ 155.384233][ T288] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 [ 155.385337][ T288] x11: ff008000081924a8 x10: 0000000000000000 x9 : 6724748b5e459f00 [ 155.386503][ T288] x8 : 6724748b5e459f00 x7 : 0000000000000001 x6 : 0000000000000001 [ 155.387720][ T288] x5 : ffff800020577358 x4 : ffff800015134e00 x3 : ffff80000852f9b8 [ 155.388936][ T288] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 155.390119][ T288] Call trace: [ 155.390572][ T288] btrfs_chunk_alloc+0xe08/0x1150 [ 155.391309][ T288] flush_space+0x858/0xcdc [ 155.391915][ T288] btrfs_async_reclaim_metadata_space+0x25c/0x308 [ 155.392770][ T288] process_one_work+0x7f4/0x13a8 [ 155.393449][ T288] worker_thread+0x8c8/0xfbc [ 155.394107][ T288] kthread+0x250/0x2d8 [ 155.394651][ T288] ret_from_fork+0x10/0x20 [ 155.395264][ T288] irq event stamp: 4335526 [ 155.395887][ T288] hardirqs last enabled at (4335525): [] __up_console_sem+0xb4/0x100 [ 155.397245][ T288] hardirqs last disabled at (4335526): [] el1_dbg+0x24/0x80 [ 155.398486][ T288] softirqs last enabled at (4334988): [] handle_softirqs+0xaf8/0xc6c [ 155.399855][ T288] softirqs last disabled at (4334865): [] __do_softirq+0x14/0x20 [ 155.401140][ T288] ---[ end trace 0000000000000000 ]--- [ 155.476960][ T288] BTRFS info (device loop3: state A): dumping space info: [ 155.479158][ T288] BTRFS info (device loop3: state A): space_info DATA+METADATA has 2441216 free, is not full [ 155.480651][ T288] BTRFS info (device loop3: state A): space_info total=11534336, used=53248, pinned=20480, reserved=1073152, may_use=7946240, readonly=0 zone_unusable=0 [ 155.482698][ T288] BTRFS info (device loop3: state A): space_info SYSTEM has -98304 free, is not full [ 155.483957][ T288] BTRFS info (device loop3: state A): space_info total=4194304, used=4096, pinned=0, reserved=0, may_use=98304, readonly=4190208 zone_unusable=0 [ 155.485958][ T288] BTRFS info (device loop3: state A): global_block_rsv: size 1441792 reserved 1441792 [ 155.503475][ T288] BTRFS info (device loop3: state A): trans_block_rsv: size 0 reserved 0 [ 155.505930][ T288] BTRFS info (device loop3: state A): chunk_block_rsv: size 98304 reserved 98304 [ 155.511273][ T288] BTRFS info (device loop3: state A): delayed_block_rsv: size 32768 reserved 32768 [ 155.516100][ T288] BTRFS info (device loop3: state A): delayed_refs_rsv: size 786432 reserved 786432 [ 155.527889][ T288] BTRFS: error (device loop3: state A) in do_chunk_alloc:3715: errno=-28 No space left [ 155.531852][ T288] BTRFS info (device loop3: state EA): forced readonly [ 155.534487][ T9133] BTRFS info (device loop3: state EA): scrub: finished on devid 1 with status: 0 [ 155.677195][ T4460] BTRFS info (device loop3: state EA): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 155.820046][ T9135] loop2: detected capacity change from 0 to 32768 [ 155.823795][ T9135] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.749 (9135) [ 155.843387][ T9135] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 155.845047][ T9135] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 155.846376][ T9135] BTRFS info (device loop2): using free space tree [ 155.902016][ T9141] loop1: detected capacity change from 0 to 32768 [ 155.933781][ T9141] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.751 (9141) [ 155.946852][ T9143] loop3: detected capacity change from 0 to 32768 [ 155.960462][ T9143] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.750 (9143) [ 155.990347][ T9145] loop4: detected capacity change from 0 to 32768 [ 155.992398][ T9145] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.752 (9145) [ 156.051220][ T9135] BTRFS info (device loop2): enabling ssd optimizations [ 156.053557][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 156.085828][ T9147] loop0: detected capacity change from 0 to 32768 [ 156.092373][ T9147] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.753 (9147) [ 156.164792][ T9168] BTRFS info (device loop2): scrub: started on devid 1 [ 156.194648][ T9168] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 156.333364][ T4340] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4340) [ 156.440050][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 156.490769][ T4356] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by udevd (4356) [ 156.736292][ T9174] loop1: detected capacity change from 0 to 32768 [ 156.768797][ T9174] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 156.770308][ T9174] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 156.771739][ T9174] BTRFS info (device loop1): using free space tree [ 156.799472][ T9180] loop3: detected capacity change from 0 to 32768 [ 156.801112][ T9180] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.758 (9180) [ 156.918151][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 157.028110][ T9174] BTRFS info (device loop1): enabling ssd optimizations [ 157.108701][ T9209] BTRFS info (device loop1): scrub: started on devid 1 [ 157.111086][ T9209] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 157.277270][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 157.293701][ T9195] loop4: detected capacity change from 0 to 32768 [ 157.303596][ T9195] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.759 (9195) [ 157.371692][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 10 /dev/loop1 scanned by udevd (4340) [ 157.380779][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 157.652452][ T9215] loop0: detected capacity change from 0 to 32768 [ 157.655002][ T9211] loop2: detected capacity change from 0 to 32768 [ 157.666077][ T9215] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 10 [ 157.668565][ T9211] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 10 [ 157.698951][ T9217] loop3: detected capacity change from 0 to 32768 [ 157.704016][ T4663] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 157.708192][ T9217] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 10 1970/01/01 00:02:37 executed programs: 757 [ 157.792788][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 158.060318][ T9222] loop4: detected capacity change from 0 to 32768 [ 158.071009][ T9222] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 10 [ 158.138153][ T4916] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 158.165925][ T9227] loop1: detected capacity change from 0 to 32768 [ 158.184787][ T9227] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 158.186386][ T9227] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 158.187745][ T9227] BTRFS info (device loop1): using free space tree [ 158.306741][ T9233] loop3: detected capacity change from 0 to 32768 [ 158.310888][ T9233] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.768 (9233) [ 158.311606][ T9231] loop0: detected capacity change from 0 to 32768 [ 158.314099][ T9231] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.767 (9231) [ 158.338900][ T9229] loop2: detected capacity change from 0 to 32768 [ 158.340657][ T9229] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.766 (9229) [ 158.358172][ T4340] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 158.363473][ T9227] BTRFS info (device loop1): enabling ssd optimizations [ 158.424554][ T4356] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 158.441886][ T4916] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 158.448578][ T9253] BTRFS info (device loop1): scrub: started on devid 1 [ 158.465989][ T9253] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 158.708423][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 158.882656][ T9258] loop4: detected capacity change from 0 to 32768 [ 158.908206][ T9258] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.769 (9258) [ 158.933978][ T9258] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 158.935540][ T9258] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 158.936935][ T9258] BTRFS info (device loop4): using free space tree [ 158.965963][ T9260] loop3: detected capacity change from 0 to 32768 [ 159.009113][ T9260] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.770 (9260) [ 159.010152][ T9264] loop0: detected capacity change from 0 to 32768 [ 159.012480][ T9264] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.773 (9264) [ 159.074188][ T9262] loop2: detected capacity change from 0 to 32768 [ 159.075907][ T9262] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.772 (9262) [ 159.095106][ T9266] loop1: detected capacity change from 0 to 32768 [ 159.101451][ T9266] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.771 (9266) [ 159.108311][ T9258] BTRFS info (device loop4): enabling ssd optimizations [ 159.194038][ T9287] BTRFS info (device loop4): scrub: started on devid 1 [ 159.218050][ T9287] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0 [ 159.457283][ T4463] BTRFS info (device loop4): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 159.480026][ T4916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4916) [ 159.594989][ T9290] loop3: detected capacity change from 0 to 32768 [ 159.606942][ T9290] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by syz.3.774 (9290) [ 159.621289][ T9290] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 159.622767][ T9290] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 159.624004][ T9290] BTRFS info (device loop3): using free space tree [ 159.724796][ T9293] loop2: detected capacity change from 0 to 32768 [ 159.727341][ T9299] loop4: detected capacity change from 0 to 32768 [ 159.730616][ T9293] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.776 (9293) [ 159.765269][ T9297] loop0: detected capacity change from 0 to 32768 [ 159.765428][ T9299] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.778 (9299) [ 159.768289][ T9297] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.775 (9297) [ 159.844064][ T9295] loop1: detected capacity change from 0 to 32768 [ 159.855106][ T9290] BTRFS info (device loop3): enabling ssd optimizations [ 159.857817][ T9295] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.777 (9295) [ 159.952333][ T9322] BTRFS info (device loop3): scrub: started on devid 1 [ 159.960645][ T9322] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 160.197442][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 160.223322][ T5566] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (5566) [ 160.324531][ T4340] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by udevd (4340) [ 160.360566][ T4356] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15 [ 160.447235][ T9326] loop2: detected capacity change from 0 to 32768 [ 160.450218][ T9326] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15 [ 160.468061][ T9327] loop0: detected capacity change from 0 to 32768 [ 160.483209][ T9327] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 160.674130][ T9333] loop1: detected capacity change from 0 to 32768 [ 160.678481][ T9333] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 15 [ 160.768935][ T5566] blk_print_req_error: 2 callbacks suppressed [ 160.768948][ T5566] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 161.189413][ T9346] loop0: detected capacity change from 0 to 32768 [ 161.191240][ T9346] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15 [ 161.195520][ T9342] loop2: detected capacity change from 0 to 32768 [ 161.204255][ T9342] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15 [ 161.241450][ T9344] loop3: detected capacity change from 0 to 32768 [ 161.257667][ T9344] BTRFS info (device loop3): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 161.259469][ T9344] BTRFS info (device loop3): using xxhash64 (xxhash64-generic) checksum algorithm [ 161.260856][ T9344] BTRFS info (device loop3): using free space tree [ 161.328432][ T4916] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 161.355482][ T9349] loop1: detected capacity change from 0 to 32768 [ 161.365943][ T9349] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.788 (9349) [ 161.420013][ T4356] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4356) [ 161.451066][ T9344] BTRFS info (device loop3): enabling ssd optimizations [ 161.515089][ T9351] loop4: detected capacity change from 0 to 32768 [ 161.558322][ T9351] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.789 (9351) [ 161.612907][ T9374] BTRFS info (device loop3): scrub: started on devid 1 [ 161.619169][ T9374] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0 [ 161.717477][ T5566] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (5566) [ 161.794850][ T4340] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4340) [ 161.802743][ T4460] BTRFS info (device loop3): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 161.872820][ T9373] loop2: detected capacity change from 0 to 32768 [ 161.888719][ T9373] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop2 scanned by syz.2.790 (9373) [ 161.898260][ T9373] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 161.899705][ T9373] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 161.900925][ T9373] BTRFS info (device loop2): using free space tree [ 161.914262][ T9376] loop0: detected capacity change from 0 to 32768 [ 161.922265][ T9376] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.791 (9376) [ 161.972126][ T9380] loop1: detected capacity change from 0 to 32768 [ 161.973866][ T9380] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.792 (9380) [ 162.069950][ T9373] BTRFS info (device loop2): enabling ssd optimizations [ 162.149872][ T9404] BTRFS info (device loop2): scrub: started on devid 1 [ 162.151909][ T9404] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 162.202997][ T9382] loop3: detected capacity change from 0 to 32768 [ 162.204944][ T9382] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.793 (9382) [ 162.334206][ T9395] loop4: detected capacity change from 0 to 32768 [ 162.344740][ T9395] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.794 (9395) [ 162.384345][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 162.597134][ T4663] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop3 scanned by udevd (4663) [ 162.751519][ T9411] loop2: detected capacity change from 0 to 32768 [ 162.754039][ T9411] BTRFS info (device loop2): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 162.755467][ T9411] BTRFS info (device loop2): using xxhash64 (xxhash64-generic) checksum algorithm [ 162.756843][ T9411] BTRFS info (device loop2): using free space tree [ 162.769479][ T9413] loop1: detected capacity change from 0 to 32768 [ 162.771245][ T9413] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.797 (9413) [ 162.825387][ T4340] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4340) [ 162.832647][ T9410] loop0: detected capacity change from 0 to 32768 [ 162.834379][ T4356] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 162.838309][ T9410] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.796 (9410) [ 162.866461][ T5566] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 162.961290][ T9411] BTRFS info (device loop2): enabling ssd optimizations 1970/01/01 00:02:43 executed programs: 793 [ 163.075645][ T9443] BTRFS info (device loop2): scrub: started on devid 1 [ 163.079069][ T9443] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0 [ 163.302385][ T4455] BTRFS info (device loop2): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 163.423027][ T9441] loop1: detected capacity change from 0 to 32768 [ 163.432200][ T9441] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop1 scanned by syz.1.800 (9441) [ 163.452250][ T9441] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 163.453938][ T9441] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 163.455304][ T9441] BTRFS info (device loop1): using free space tree [ 163.473921][ T9445] loop3: detected capacity change from 0 to 32768 [ 163.482332][ T9445] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.801 (9445) [ 163.550652][ T9451] loop4: detected capacity change from 0 to 32768 [ 163.552669][ T9451] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.804 (9451) [ 163.571175][ T9447] loop0: detected capacity change from 0 to 32768 [ 163.581352][ T4663] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 163.583073][ T9447] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.802 (9447) [ 163.616113][ T9441] BTRFS info (device loop1): enabling ssd optimizations [ 163.689634][ T4340] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 163.757062][ T9473] BTRFS info (device loop1): scrub: started on devid 1 [ 163.765669][ T9473] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 163.838060][ T4458] Bluetooth: hci0: command 0x0406 tx timeout [ 163.838993][ T4458] Bluetooth: hci4: command 0x0406 tx timeout [ 163.839920][ T4458] Bluetooth: hci1: command 0x0406 tx timeout [ 163.840740][ T4458] Bluetooth: hci3: command 0x0406 tx timeout [ 163.841601][ T4458] Bluetooth: hci2: command 0x0406 tx timeout [ 163.951805][ T9476] loop2: detected capacity change from 0 to 32768 [ 163.957523][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 163.962000][ T9476] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.805 (9476) [ 164.029526][ T4663] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 164.090695][ T5566] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop0 scanned by udevd (5566) [ 164.343259][ T9480] loop1: detected capacity change from 0 to 32768 [ 164.364891][ T9480] BTRFS info (device loop1): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 164.366375][ T9480] BTRFS info (device loop1): using xxhash64 (xxhash64-generic) checksum algorithm [ 164.374630][ T9480] BTRFS info (device loop1): using free space tree [ 164.426111][ T9488] loop4: detected capacity change from 0 to 32768 [ 164.431648][ T9488] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.809 (9488) [ 164.451052][ T9483] loop3: detected capacity change from 0 to 32768 [ 164.452670][ T9483] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.808 (9483) [ 164.496173][ T4916] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 164.500357][ T9480] BTRFS info (device loop1): enabling ssd optimizations [ 164.509259][ T9490] loop2: detected capacity change from 0 to 32768 [ 164.511139][ T9490] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.810 (9490) [ 164.604022][ T4663] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4663) [ 164.622065][ T4916] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 164.623043][ T9511] BTRFS info (device loop1): scrub: started on devid 1 [ 164.625955][ T9511] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0 [ 164.907750][ T4457] BTRFS info (device loop1): last unmount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 165.093118][ T9515] loop4: detected capacity change from 0 to 32768 [ 165.100730][ T9515] BTRFS: device fsid 34a2da50-e117-4d40-8878-8e0fb0127b5f devid 1 transid 8 /dev/loop4 scanned by syz.4.811 (9515) [ 165.110750][ T9515] BTRFS info (device loop4): first mount of filesystem 34a2da50-e117-4d40-8878-8e0fb0127b5f [ 165.112366][ T9515] BTRFS info (device loop4): using xxhash64 (xxhash64-generic) checksum algorithm [ 165.113751][ T9515] BTRFS info (device loop4): using free space tree [ 165.170472][ T9521] loop3: detected capacity change from 0 to 32768 [ 165.175448][ T9521] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.814 (9521) [ 165.226283][ T9517] loop0: detected capacity change from 0 to 32768 [ 165.267535][ T9517] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.812 (9517) [ 165.286469][ T9519] loop1: detected capacity change from 0 to 32768 [ 165.306846][ T9519] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.813 (9519) [ 165.336199][ T9515] BTRFS info (device loop4): enabling ssd optimizations [ 165.359143][ T9525] loop2: detected capacity change from 0 to 32768 [ 165.366351][ T9525] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.815 (9525)