o 32768
[  219.832193][ T4906] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  219.845962][ T4928] loop0: detected capacity change from 0 to 32768
[  219.868849][ T4930] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.62 (4930)
[  219.906620][ T4928] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.63 (4928)
[  220.020826][ T4906] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  220.109382][ T4906] BTRFS info (device loop1): balance: canceled
[  220.156149][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4316)
[  220.234267][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  220.398940][ T4933] loop3: detected capacity change from 0 to 32768
[  220.503215][ T4933] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz.3.64 (4933)
[  220.543381][ T4315] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4315)
[  220.554497][ T4933] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  220.580780][ T4420] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4420)
[  220.604370][ T4933] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  220.663269][ T4933] BTRFS info (device loop3): using free space tree
[  221.203348][ T4933] BTRFS info (device loop3): enabling ssd optimizations
[  221.251690][ T4954] loop2: detected capacity change from 0 to 32768
[  221.307021][ T4933] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  221.327667][ T4954] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.65 (4954)
[  221.337729][ T4933] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
2026/09/27 10:55:23 executed programs: 62
[  221.462701][ T4957] loop4: detected capacity change from 0 to 32768
[  221.495277][ T4933] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  221.523881][ T4957] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.67 (4957)
[  221.611180][ T4933] BTRFS info (device loop3): balance: canceled
[  221.635578][ T4958] loop0: detected capacity change from 0 to 32768
[  221.685729][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  221.688236][ T4958] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.66 (4958)
[  221.784661][ T4317] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4317)
[  222.129641][ T4315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4315)
[  222.304224][ T4972] loop1: detected capacity change from 0 to 32768
[  222.395231][ T4972] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  222.446476][ T4972] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  222.493038][ T4972] BTRFS info (device loop1): using free space tree
[  222.729100][ T4972] BTRFS info (device loop1): enabling ssd optimizations
[  222.772144][ T4988] loop3: detected capacity change from 0 to 32768
[  222.838815][ T4972] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  222.848945][ T4988] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.71 (4988)
[  222.914796][ T4972] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  223.065786][ T4972] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  223.178960][ T4972] BTRFS info (device loop1): balance: canceled
[  223.256145][ T4984] loop4: detected capacity change from 0 to 32768
[  223.303209][ T4981] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.69 (4981)
[  223.304143][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  223.406534][ T4984] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.70 (4984)
[  223.631763][ T4986] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.72 (4986)
[  223.713806][ T4986] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  223.774132][ T4986] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  223.782931][ T4986] BTRFS info (device loop0): using free space tree
[  223.846311][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4316)
[  224.243183][ T4986] BTRFS info (device loop0): enabling ssd optimizations
[  224.383898][ T4986] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[  224.424335][ T4986] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[  224.573298][ T4986] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[  224.664249][ T4986] BTRFS info (device loop0): 1 enospc errors during balance
[  224.671732][ T4986] BTRFS info (device loop0): balance: canceled
[  224.742951][ T5013] set_capacity_and_notify: 2 callbacks suppressed
[  224.759047][ T4403] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  224.776707][ T5013] loop2: detected capacity change from 0 to 32768
[  224.799775][ T5012] loop3: detected capacity change from 0 to 32768
[  224.821876][ T5013] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.74 (5013)
[  224.890191][ T5015] loop1: detected capacity change from 0 to 32768
[  224.978090][ T5012] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.75 (5012)
[  225.007304][ T5015] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz.1.73 (5015)
[  225.059278][ T5015] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  225.163263][ T5015] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  225.223687][ T5015] BTRFS info (device loop1): using free space tree
[  225.361344][ T4315] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4315)
[  225.371371][ T5028] loop4: detected capacity change from 0 to 32768
[  225.419400][ T4316] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4316)
[  225.539240][ T5028] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.76 (5028)
[  225.687882][ T5015] BTRFS info (device loop1): enabling ssd optimizations
[  225.809975][ T5015] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  225.922919][ T5015] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  226.128689][ T4313] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4313)
[  226.137985][ T5041] loop0: detected capacity change from 0 to 32768
[  226.174474][ T5015] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  226.202583][ T5041] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.77 (5041)
[  226.285261][ T5042] loop3: detected capacity change from 0 to 32768
[  226.303797][ T5015] BTRFS info (device loop1): balance: canceled
[  226.330401][ T5042] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.79 (5042)
[  226.457626][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  226.758181][ T4316] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4316)
[  226.773928][ T5038] loop2: detected capacity change from 0 to 32768
[  226.851873][ T5038] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  226.889844][ T5038] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  226.903336][ T4420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 16 scanned by udevd (4420)
[  226.939832][ T5038] BTRFS info (device loop2): using free space tree
[  226.947923][ T4315] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4315)
[  227.270496][ T5062] loop4: detected capacity change from 0 to 32768
[  227.284782][ T5062] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.80 (5062)
2026/09/27 10:55:29 executed programs: 77
[  227.416705][ T5038] BTRFS info (device loop2): enabling ssd optimizations
[  227.485077][ T5038] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  227.575257][ T5038] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  227.704117][ T5038] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  227.811285][ T5038] BTRFS info (device loop2): 1 enospc errors during balance
[  227.825218][ T4313] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4313)
[  227.837745][ T5038] BTRFS info (device loop2): balance: canceled
[  227.934911][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  228.095785][ T5067] loop3: detected capacity change from 0 to 32768
[  228.162073][ T5067] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz.3.83 (5067)
[  228.244919][ T5067] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  228.302878][ T5069] loop1: detected capacity change from 0 to 32768
[  228.313069][ T5067] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  228.321881][ T5067] BTRFS info (device loop3): using free space tree
[  228.369365][ T5069] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.82 (5069)
[  228.668856][ T5067] BTRFS info (device loop3): enabling ssd optimizations
[  228.732271][ T4420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4420)
[  228.760889][ T5067] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  228.841623][ T5067] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  229.030787][ T5067] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  229.040149][ T5090] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.84 (5090)
[  229.175865][ T5067] BTRFS info (device loop3): 1 enospc errors during balance
[  229.213947][ T5067] BTRFS info (device loop3): balance: canceled
[  229.303618][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  229.552014][ T4317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4317)
[  229.701418][ T5093] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.86 (5093)
[  229.722467][ T5095] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  229.777116][ T5095] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  229.832834][ T5095] BTRFS info (device loop2): using free space tree
[  230.072578][ T5108] set_capacity_and_notify: 3 callbacks suppressed
[  230.072593][ T5108] loop1: detected capacity change from 0 to 32768
[  230.128006][ T5108] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.87 (5108)
[  230.275946][ T5095] BTRFS info (device loop2): enabling ssd optimizations
[  230.373214][ T5095] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  230.431776][ T4420] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4420)
[  230.445548][ T5095] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  230.611066][ T5124] loop0: detected capacity change from 0 to 32768
[  230.683853][ T5124] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.90 (5124)
[  230.684789][ T5095] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  230.747499][ T4313] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4313)
[  230.766215][ T5118] loop4: detected capacity change from 0 to 32768
[  230.809315][ T5095] BTRFS info (device loop2): balance: canceled
[  230.834180][ T5118] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.88 (5118)
[  230.949356][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  231.185064][ T5121] loop3: detected capacity change from 0 to 32768
[  231.259170][ T5121] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz.3.89 (5121)
[  231.411234][ T5121] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  231.473065][ T5121] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  231.530466][ T4315] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4315)
[  231.550911][ T5121] BTRFS info (device loop3): using free space tree
[  231.833188][ T5121] BTRFS info (device loop3): enabling ssd optimizations
[  231.955340][ T5121] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  232.015716][ T5121] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  232.101909][ T5147] loop4: detected capacity change from 0 to 32768
[  232.147943][ T5121] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  232.155327][ T5144] loop1: detected capacity change from 0 to 32768
[  232.164674][ T5147] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.92 (5147)
[  232.215978][ T5144] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.91 (5144)
[  232.216509][ T5121] BTRFS info (device loop3): balance: canceled
[  232.247421][ T4315] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  232.354637][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  232.648499][ T4316] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by udevd (4316)
2026/09/27 10:55:34 executed programs: 90
[  232.857821][ T5150] loop2: detected capacity change from 0 to 32768
[  232.905520][ T5150] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  232.933156][ T5150] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  232.933381][ T5151] loop0: detected capacity change from 0 to 32768
[  232.976625][ T5150] BTRFS info (device loop2): using free space tree
[  233.002177][ T5151] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.94 (5151)
[  233.283391][ T5150] BTRFS info (device loop2): enabling ssd optimizations
[  233.435382][ T5150] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  233.482466][ T5150] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  233.577907][ T5179] loop3: detected capacity change from 0 to 32768
[  233.637698][ T5179] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.96 (5179)
[  233.696306][ T5172] loop1: detected capacity change from 0 to 32768
[  233.756890][ T5172] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.95 (5172)
[  233.799749][ T5150] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  233.887705][ T5150] BTRFS info (device loop2): 1 enospc errors during balance
[  233.938338][ T5150] BTRFS info (device loop2): balance: canceled
[  234.050514][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  234.140937][ T4420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4420)
[  234.181990][ T4316] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4316)
[  234.319909][ T5174] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.97 (5174)
[  234.758782][ T4317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4317)
[  235.078655][ T5198] set_capacity_and_notify: 1 callbacks suppressed
[  235.078682][ T5198] loop0: detected capacity change from 0 to 32768
[  235.119394][ T5200] loop3: detected capacity change from 0 to 32768
[  235.137214][ T5198] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 16
[  235.178105][ T5200] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  235.284877][ T5202] loop1: detected capacity change from 0 to 32768
[  235.334078][ T5202] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  235.676066][ T4316] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 16
[  235.733642][ T4420] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  235.844065][ T4313] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  236.059275][ T5206] loop4: detected capacity change from 0 to 32768
[  236.096125][ T5205] loop2: detected capacity change from 0 to 32768
[  236.165010][ T5206] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  236.218095][ T5205] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  236.263590][ T5205] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  236.329156][ T5205] BTRFS info (device loop2): using free space tree
[  236.590681][ T5210] loop0: detected capacity change from 0 to 32768
[  236.658850][ T5210] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.103 (5210)
[  236.754024][ T5205] BTRFS info (device loop2): enabling ssd optimizations
[  236.865936][ T5212] loop3: detected capacity change from 0 to 32768
[  236.888571][ T5205] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  236.925385][ T5205] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  236.944275][ T5212] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.104 (5212)
[  237.043282][ T4315] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4315)
[  237.089808][ T5205] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  237.113275][ T4420] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4420)
[  237.186274][ T5205] BTRFS info (device loop2): balance: canceled
[  237.243755][ T5214] loop1: detected capacity change from 0 to 32768
[  237.305447][ T5214] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.105 (5214)
[  237.346683][ T5216] loop4: detected capacity change from 0 to 32768
[  237.402114][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  237.418626][ T5216] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.106 (5216)
[  237.499768][ T4316] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4316)
[  237.977569][ T4317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 16 /dev/loop2 scanned by udevd (4317)
[  238.049359][ T4313] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
2026/09/27 10:55:40 executed programs: 104
[  238.367809][ T5236] loop0: detected capacity change from 0 to 32768
[  238.418644][ T5236] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 16
[  238.591223][ T5239] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  238.915297][ T4315] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 16
[  238.984385][ T4316] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  239.133167][ T5242] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  239.391387][ T5244] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  239.443632][ T5244] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  239.452428][ T5244] BTRFS info (device loop2): using free space tree
[  239.603783][ T5247] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.111 (5247)
[  239.705505][ T4420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4420)
[  239.872032][ T5251] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.113 (5251)
[  239.892670][ T5244] BTRFS info (device loop2): enabling ssd optimizations
[  240.000127][ T5244] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  240.032008][ T5249] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.112 (5249)
[  240.057872][ T5244] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  240.265953][ T4313] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4313)
[  240.335405][ T5244] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  240.383628][ T4315] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4315)
[  240.453754][ T5244] BTRFS info (device loop2): 1 enospc errors during balance
[  240.494244][ T5244] BTRFS info (device loop2): balance: canceled
[  240.610200][ T4316] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4316)
[  240.700104][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  240.894589][ T5255] set_capacity_and_notify: 6 callbacks suppressed
[  240.894604][ T5255] loop1: detected capacity change from 0 to 32768
[  240.983267][ T5255] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz.1.114 (5255)
[  241.091151][ T5255] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  241.097923][ T5262] loop4: detected capacity change from 0 to 32768
[  241.143516][ T5255] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  241.204154][ T5255] BTRFS info (device loop1): using free space tree
[  241.216916][ T5262] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.115 (5262)
[  241.459831][ T5255] BTRFS info (device loop1): enabling ssd optimizations
[  241.584212][ T5283] loop2: detected capacity change from 0 to 32768
[  241.616144][ T5255] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  241.623604][ T5283] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.118 (5283)
[  241.677561][ T5255] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  241.789269][ T5278] loop3: detected capacity change from 0 to 32768
[  241.833501][ T4315] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4315)
[  241.897154][ T5255] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  241.919424][ T5278] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.116 (5278)
[  242.049502][ T5255] BTRFS info (device loop1): balance: canceled
[  242.061336][ T5280] loop0: detected capacity change from 0 to 32768
[  242.168924][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4316)
[  242.224791][ T5280] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.117 (5280)
[  242.242624][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  242.349621][ T4317] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4317)
[  242.745358][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4313)
[  243.136568][ T5302] loop4: detected capacity change from 0 to 32768
[  243.198203][ T5302] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  243.239772][ T5302] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  243.279438][ T5302] BTRFS info (device loop4): using free space tree
[  243.308700][ T5307] loop2: detected capacity change from 0 to 32768
[  243.330666][ T5307] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.120 (5307)
2026/09/27 10:55:45 executed programs: 117
[  243.503572][ T5310] loop3: detected capacity change from 0 to 32768
[  243.529350][ T5310] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.121 (5310)
[  243.752246][ T5302] BTRFS info (device loop4): enabling ssd optimizations
[  243.927664][ T5302] BTRFS info (device loop4): balance: start -dconvert=raid0 -mconvert=raid0
[  243.952351][ T5302] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
[  243.975514][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4316)
[  244.020019][ T5314] loop1: detected capacity change from 0 to 32768
[  244.052912][ T5312] loop0: detected capacity change from 0 to 32768
[  244.096812][ T4420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4420)
[  244.104983][ T5302] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata
[  244.186086][ T5314] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.122 (5314)
[  244.226035][ T5302] BTRFS info (device loop4): balance: canceled
[  244.249862][ T5312] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.123 (5312)
[  244.353506][ T4412] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  244.609529][ T5326] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz.2.124 (5326)
[  244.718126][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  244.730595][ T5326] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  244.771569][ T5326] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  244.781322][ T4313] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4313)
[  244.805926][ T5326] BTRFS info (device loop2): using free space tree
[  245.217093][ T5336] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.125 (5336)
[  245.252907][ T5340] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.127 (5340)
[  245.358757][ T5326] BTRFS info (device loop2): enabling ssd optimizations
[  245.447796][ T5326] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  245.470856][ T5326] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  245.659347][ T5326] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  245.806052][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  245.811026][ T5326] BTRFS info (device loop2): balance: canceled
[  245.853261][ T4420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4420)
[  245.922301][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  246.012543][ T5342] set_capacity_and_notify: 3 callbacks suppressed
[  246.012558][ T5342] loop1: detected capacity change from 0 to 32768
[  246.210403][ T5342] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz.1.126 (5342)
[  246.300330][ T5342] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  246.319556][ T5344] loop4: detected capacity change from 0 to 32768
[  246.343272][ T5342] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  246.352147][ T5342] BTRFS info (device loop1): using free space tree
[  246.406724][ T5344] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.128 (5344)
[  246.653850][ T5365] loop3: detected capacity change from 0 to 32768
[  246.684577][ T5365] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.129 (5365)
[  246.924332][ T5342] BTRFS info (device loop1): enabling ssd optimizations
[  246.986456][ T5342] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  247.048949][ T5342] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  247.072422][ T4313] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4313)
[  247.169231][ T5364] loop0: detected capacity change from 0 to 32768
[  247.234309][ T5342] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  247.265361][ T5364] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.130 (5364)
[  247.322805][ T4420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4420)
[  247.374981][ T5342] BTRFS info (device loop1): balance: canceled
[  247.513889][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  247.840985][ T4316] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4316)
[  247.868409][ T5369] loop2: detected capacity change from 0 to 32768
[  247.969764][ T5369] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  248.063178][ T5369] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  248.101520][ T5369] BTRFS info (device loop2): using free space tree
[  248.461783][ T5369] BTRFS info (device loop2): enabling ssd optimizations
[  248.484025][ T5369] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  248.510749][ T5391] loop3: detected capacity change from 0 to 32768
[  248.531553][ T5369] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  248.579349][ T5391] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.133 (5391)
2026/09/27 10:55:50 executed programs: 130
[  248.678175][ T5369] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  248.748718][ T5369] BTRFS info (device loop2): balance: canceled
[  248.845816][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  248.943700][ T4315] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4315)
[  249.162832][ T5398] loop1: detected capacity change from 0 to 32768
[  249.224950][ T5398] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz.1.135 (5398)
[  249.251532][ T5396] loop4: detected capacity change from 0 to 32768
[  249.261369][ T5394] loop0: detected capacity change from 0 to 32768
[  249.291583][ T5398] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  249.327157][ T5396] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.136 (5396)
[  249.332550][ T5398] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  249.365660][ T5394] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.134 (5394)
[  249.433310][ T5398] BTRFS info (device loop1): using free space tree
[  249.818340][ T4420] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4420)
[  249.909276][ T5398] BTRFS info (device loop1): enabling ssd optimizations
[  249.994727][ T5398] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  250.000812][ T4313] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4313)
[  250.035713][ T5398] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  250.128866][ T5420] loop3: detected capacity change from 0 to 32768
[  250.194648][ T5420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.137 (5420)
[  250.206834][ T5398] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  250.292076][ T5430] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.140 (5430)
[  250.324864][ T5398] BTRFS info (device loop1): balance: canceled
[  250.408057][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  250.776702][ T4315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by udevd (4315)
[  250.903791][ T5422] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  250.955300][ T5422] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  251.003052][ T5422] BTRFS info (device loop2): using free space tree
[  251.228020][ T5425] set_capacity_and_notify: 2 callbacks suppressed
[  251.228031][ T5425] loop4: detected capacity change from 0 to 32768
[  251.268866][ T5422] BTRFS info (device loop2): enabling ssd optimizations
[  251.353319][ T5425] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.139 (5425)
[  251.366720][ T5422] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  251.436488][ T5422] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  251.570183][ T5422] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  251.665109][ T5422] BTRFS info (device loop2): balance: canceled
[  251.746206][ T4420] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4420)
[  251.763345][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  252.212057][ T5449] loop0: detected capacity change from 0 to 32768
[  252.273195][ T5449] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.143 (5449)
[  252.372289][ T5466] loop1: detected capacity change from 0 to 32768
[  252.384326][ T5449] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  252.408553][ T5466] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.142 (5466)
[  252.450146][ T5449] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  252.516626][ T5449] BTRFS info (device loop0): using free space tree
[  252.820856][ T4420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4420)
[  252.882504][ T5449] BTRFS info (device loop0): enabling ssd optimizations
[  252.921257][ T5472] loop4: detected capacity change from 0 to 32768
[  252.978397][ T5449] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[  253.005763][ T5472] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.144 (5472)
[  253.033099][ T5449] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[  253.227069][ T5475] loop3: detected capacity change from 0 to 32768
[  253.245251][ T5449] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[  253.296215][ T5475] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.146 (5475)
[  253.344712][ T5449] BTRFS info (device loop0): 1 enospc errors during balance
[  253.382590][ T5449] BTRFS info (device loop0): balance: canceled
[  253.453532][ T4403] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  253.458576][ T4315] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4315)
[  253.670983][ T5477] loop2: detected capacity change from 0 to 32768
[  253.718723][ T5477] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz.2.145 (5477)
[  253.808781][ T4316] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4316)
[  253.826588][ T5477] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  253.844249][ T5477] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  253.878172][ T5480] loop1: detected capacity change from 0 to 32768
[  253.904279][ T5477] BTRFS info (device loop2): using free space tree
[  253.967258][ T5480] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.147 (5480)
2026/09/27 10:55:56 executed programs: 144
[  254.277239][ T5477] BTRFS info (device loop2): enabling ssd optimizations
[  254.389163][ T5477] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  254.441146][ T5477] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  254.448219][ T5500] loop4: detected capacity change from 0 to 32768
[  254.515374][ T5500] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.148 (5500)
[  254.601219][ T5477] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  254.624400][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317)
[  254.729427][ T5477] BTRFS info (device loop2): balance: canceled
[  254.823834][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  254.871261][ T5514] loop0: detected capacity change from 0 to 32768
[  254.916840][ T5514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.150 (5514)
[  254.954089][ T5502] loop3: detected capacity change from 0 to 32768
[  255.013847][ T4315] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4315)
[  255.098263][ T5502] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.149 (5502)
[  255.486243][ T4316] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4316)
[  255.845424][ T1280] ieee802154 phy0 wpan0: encryption failed: -22
[  255.851868][ T1280] ieee802154 phy1 wpan1: encryption failed: -22
[  255.975714][ T5521] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  256.027067][ T5521] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  256.073095][ T5521] BTRFS info (device loop1): using free space tree
[  256.297227][ T5527] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.152 (5527)
[  256.346985][ T5533] set_capacity_and_notify: 2 callbacks suppressed
[  256.347001][ T5533] loop2: detected capacity change from 0 to 32768
[  256.414770][ T5533] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.153 (5533)
[  256.452866][ T5521] BTRFS info (device loop1): enabling ssd optimizations
[  256.573238][ T5521] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  256.613744][ T5521] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  256.709992][ T5529] loop0: detected capacity change from 0 to 32768
[  256.783391][ T5529] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.154 (5529)
[  256.825237][ T4420] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4420)
[  256.840660][ T5521] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  256.846029][ T5531] loop3: detected capacity change from 0 to 32768
[  256.870653][ T4317] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4317)
[  256.941279][ T5521] BTRFS info (device loop1): 1 enospc errors during balance
[  256.945389][ T5531] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.155 (5531)
[  256.993047][ T5521] BTRFS info (device loop1): balance: canceled
[  257.154024][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  257.664592][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by udevd (4313)
[  258.080693][ T5554] loop4: detected capacity change from 0 to 32768
[  258.151240][ T5554] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  258.193142][ T5554] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  258.222594][ T5554] BTRFS info (device loop4): using free space tree
[  258.235627][ T5556] loop2: detected capacity change from 0 to 32768
[  258.302631][ T5556] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.157 (5556)
[  258.459750][ T5554] BTRFS info (device loop4): enabling ssd optimizations
[  258.619427][ T5554] BTRFS info (device loop4): balance: start -dconvert=raid0 -mconvert=raid0
[  258.658394][ T5554] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
[  258.723718][ T5560] loop3: detected capacity change from 0 to 32768
[  258.788405][ T5560] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.158 (5560)
[  258.830310][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4316)
[  258.836625][ T5554] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata
[  258.944726][ T5562] loop1: detected capacity change from 0 to 32768
[  258.979771][ T5554] BTRFS info (device loop4): 1 enospc errors during balance
[  259.003199][ T5562] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.159 (5562)
[  259.013183][ T5554] BTRFS info (device loop4): balance: canceled
[  259.118134][ T4412] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  259.163107][ T5564] loop0: detected capacity change from 0 to 32768
[  259.194750][ T5564] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.160 (5564)
[  259.361072][ T4420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4420)
2026/09/27 10:56:01 executed programs: 158
[  259.509415][ T4317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by udevd (4317)
[  259.644628][ T5584] loop2: detected capacity change from 0 to 32768
[  259.707799][ T5584] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  259.818502][ T4313] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4313)
[  259.843131][ T5584] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  259.882680][ T5584] BTRFS info (device loop2): using free space tree
[  260.283096][ T5584] BTRFS info (device loop2): enabling ssd optimizations
[  260.393981][ T5584] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  260.445117][ T5584] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  260.542010][ T5584] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  260.609744][ T5594] loop4: detected capacity change from 0 to 32768
[  260.668411][ T5594] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.163 (5594)
[  260.691523][ T5584] BTRFS info (device loop2): 1 enospc errors during balance
[  260.733771][ T5584] BTRFS info (device loop2): balance: canceled
[  260.750631][ T5588] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.162 (5588)
[  260.817316][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  260.874282][ T5592] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.165 (5592)
[  260.963150][ T5590] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.164 (5590)
[  261.225514][ T4315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 16 /dev/loop2 scanned by udevd (4315)
[  261.296751][ T4316] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  261.328030][ T4420] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  261.437302][ T4313] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 16
[  262.370388][ T5618] set_capacity_and_notify: 3 callbacks suppressed
[  262.370404][ T5618] loop3: detected capacity change from 0 to 32768
[  262.385414][ T5616] loop4: detected capacity change from 0 to 32768
[  262.419024][ T5616] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  262.482371][ T5618] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  262.578419][ T5622] loop2: detected capacity change from 0 to 32768
[  262.636774][ T5620] loop0: detected capacity change from 0 to 32768
[  262.683035][ T5622] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  262.693709][ T5620] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.169 (5620)
[  262.723667][ T5622] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  262.792318][ T5622] BTRFS info (device loop2): using free space tree
[  262.832191][ T4316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4316)
[  262.990028][ T4420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4420)
[  263.163370][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  263.221052][ T5625] loop1: detected capacity change from 0 to 32768
[  263.264395][ T5622] BTRFS info (device loop2): enabling ssd optimizations
[  263.322162][ T5625] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.170 (5625)
[  263.341576][ T5622] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  263.414199][ T5622] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  263.548667][ T5622] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  263.670329][ T5622] BTRFS info (device loop2): balance: canceled
[  263.754847][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  263.790942][ T5631] loop0: detected capacity change from 0 to 32768
[  263.796986][ T4316] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4316)
[  263.843535][ T5631] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.173 (5631)
[  264.085986][ T5629] loop3: detected capacity change from 0 to 32768
[  264.099530][ T5627] loop4: detected capacity change from 0 to 32768
[  264.186836][ T5629] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz.3.172 (5629)
[  264.264742][ T5627] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.171 (5627)
[  264.275932][ T5629] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  264.327258][ T5629] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  264.394013][ T5629] BTRFS info (device loop3): using free space tree
[  264.501070][ T4420] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4420)
[  264.760497][ T5629] BTRFS info (device loop3): enabling ssd optimizations
[  264.839263][ T4313] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4313)
[  264.891916][ T5629] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  264.932589][ T5629] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  265.091787][ T5629] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  265.138110][ T5652] loop1: detected capacity change from 0 to 32768
[  265.215850][ T5652] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.174 (5652)
[  265.216391][ T5629] BTRFS info (device loop3): 1 enospc errors during balance
2026/09/27 10:56:07 executed programs: 171
[  265.279883][ T5629] BTRFS info (device loop3): balance: canceled
[  265.392589][ T5661] loop4: detected capacity change from 0 to 32768
[  265.406985][ T5661] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.177 (5661)
[  265.407133][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  265.519674][ T5654] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.176 (5654)
[  265.811279][ T4315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by udevd (4315)
[  265.915739][ T5656] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  265.953311][ T5656] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  265.977772][ T5656] BTRFS info (device loop2): using free space tree
[  266.019573][ T4316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4316)
[  266.131444][ T4420] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4420)
[  266.457242][ T5656] BTRFS info (device loop2): enabling ssd optimizations
[  266.622508][ T5656] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  266.638401][ T5656] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  266.852598][ T5656] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  266.881600][ T5685] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.179 (5685)
[  267.030908][ T5679] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.178 (5679)
[  267.065738][ T5656] BTRFS info (device loop2): balance: canceled
[  267.164001][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  267.371427][ T4317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by udevd (4317)
[  267.485528][ T5683] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.181 (5683)
[  267.500621][ T5681] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  267.534223][ T5681] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  267.564782][ T4315] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4315)
[  267.590254][ T5681] BTRFS info (device loop4): using free space tree
[  267.806245][ T5681] BTRFS info (device loop4): enabling ssd optimizations
[  267.876116][ T5681] BTRFS info (device loop4): balance: start -dconvert=raid0 -mconvert=raid0
[  267.908882][ T5681] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
[  267.913454][ T4313] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4313)
[  268.119464][ T5681] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata
[  268.244357][ T5681] BTRFS info (device loop4): balance: canceled
[  268.389624][ T4412] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  268.491633][ T5707] set_capacity_and_notify: 6 callbacks suppressed
[  268.491651][ T5707] loop3: detected capacity change from 0 to 32768
[  268.663098][ T5707] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz.3.182 (5707)
[  268.750201][ T5707] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  268.801454][ T5707] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  268.833352][ T5707] BTRFS info (device loop3): using free space tree
[  268.853041][ T5709] loop1: detected capacity change from 0 to 32768
[  268.871003][ T5709] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.183 (5709)
[  269.268940][ T5707] BTRFS info (device loop3): enabling ssd optimizations
[  269.361481][ T5712] loop0: detected capacity change from 0 to 32768
[  269.382394][ T5707] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  269.402353][ T5712] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.185 (5712)
[  269.454720][ T5707] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  269.509010][ T4420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4420)
[  269.597586][ T5707] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  269.624011][ T5733] loop2: detected capacity change from 0 to 32768
[  269.698615][ T5733] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.184 (5733)
[  269.724916][ T5707] BTRFS info (device loop3): 1 enospc errors during balance
[  269.770002][ T5707] BTRFS info (device loop3): balance: canceled
[  269.870134][ T5735] loop4: detected capacity change from 0 to 32768
[  269.877318][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  269.900169][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  269.966574][ T5735] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.186 (5735)
[  270.049879][ T5744] loop1: detected capacity change from 0 to 32768
[  270.127624][ T5744] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.187 (5744)
[  270.200922][ T4316] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4316)
2026/09/27 10:56:12 executed programs: 185
[  271.031044][ T5758] loop0: detected capacity change from 0 to 32768
[  271.094015][ T5758] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 16
[  271.443875][ T5760] loop2: detected capacity change from 0 to 32768
[  271.533173][ T5760] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 16
[  271.621199][ T4420] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 16
[  271.831928][ T5762] loop4: detected capacity change from 0 to 32768
[  271.930829][ T5762] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  271.984256][ T5764] loop3: detected capacity change from 0 to 32768
[  272.053188][ T4317] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  272.103738][ T5764] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  272.148670][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4316)
[  272.159406][ T5764] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  272.178910][ T5764] BTRFS info (device loop3): using free space tree
[  272.574613][ T5764] BTRFS info (device loop3): enabling ssd optimizations
[  272.615304][ T5769] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.192 (5769)
[  272.730477][ T5764] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  272.793975][ T5764] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  273.016505][ T5764] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  273.099483][ T5771] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.193 (5771)
[  273.132274][ T5764] BTRFS info (device loop3): 1 enospc errors during balance
[  273.164463][ T5764] BTRFS info (device loop3): balance: canceled
[  273.176220][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317)
[  273.264758][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  273.480430][ T5773] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.194 (5773)
[  273.661611][ T4316] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4316)
[  274.171568][ T5795] set_capacity_and_notify: 3 callbacks suppressed
[  274.171585][ T5795] loop4: detected capacity change from 0 to 32768
[  274.258293][ T5795] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  274.311520][ T5796] loop1: detected capacity change from 0 to 32768
[  274.392137][ T5796] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  274.563785][ T5798] loop0: detected capacity change from 0 to 32768
[  274.614466][ T5798] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 16
[  274.808648][ T4317] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  274.910563][ T4313] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  275.374677][ T5802] loop3: detected capacity change from 0 to 32768
[  275.484655][ T5802] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  275.491201][ T5800] loop2: detected capacity change from 0 to 32768
[  275.539034][ T5800] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.199 (5800)
[  275.553131][ T5802] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  275.562108][ T5802] BTRFS info (device loop3): using free space tree
[  275.808771][ T5807] loop4: detected capacity change from 0 to 32768
[  275.831944][ T5807] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.200 (5807)
[  275.905900][ T5802] BTRFS info (device loop3): enabling ssd optimizations
2026/09/27 10:56:18 executed programs: 197
[  276.008651][ T5802] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  276.022093][ T4420] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4420)
[  276.055457][ T5802] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  276.194099][ T5802] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  276.250996][ T5809] loop1: detected capacity change from 0 to 32768
[  276.304371][ T5802] BTRFS info (device loop3): balance: canceled
[  276.313399][ T5809] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.201 (5809)
[  276.361914][ T4316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4316)
[  276.410598][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  276.560638][ T5817] loop2: detected capacity change from 0 to 32768
[  276.666719][ T5817] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz.2.203 (5817)
[  276.810121][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317)
[  276.820396][ T5817] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  276.850987][ T5817] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  276.890609][ T5811] loop0: detected capacity change from 0 to 32768
[  276.898232][ T5817] BTRFS info (device loop2): using free space tree
[  276.983479][ T5811] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.202 (5811)
[  277.307993][ T5817] BTRFS info (device loop2): enabling ssd optimizations
[  277.438281][ T5817] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  277.491690][ T5817] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  277.631736][ T4313] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4313)
[  277.651859][ T5817] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  277.672565][ T5832] loop4: detected capacity change from 0 to 32768
[  277.731752][ T5832] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.204 (5832)
[  277.778566][ T5817] BTRFS info (device loop2): balance: canceled
[  277.866508][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  277.991129][ T5838] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz.3.205 (5838)
[  278.179951][ T5836] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.206 (5836)
[  278.199137][ T5838] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  278.255928][ T5838] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  278.272058][ T4316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4316)
[  278.317549][ T5838] BTRFS info (device loop3): using free space tree
[  278.473139][ T5838] BTRFS info (device loop3): enabling ssd optimizations
[  278.630148][ T5838] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  278.651650][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317)
[  278.687484][ T5838] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  278.765838][ T5850] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.207 (5850)
[  278.876024][ T5838] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  278.999977][ T5838] BTRFS info (device loop3): 1 enospc errors during balance
[  279.039573][ T5838] BTRFS info (device loop3): balance: canceled
[  279.167541][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  279.175469][ T4313] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4313)
[  279.317501][ T5861] set_capacity_and_notify: 3 callbacks suppressed
[  279.317518][ T5861] loop4: detected capacity change from 0 to 32768
[  279.452599][ T5861] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz.4.208 (5861)
[  279.588797][ T5861] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  279.641698][ T5861] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  279.695977][ T5861] BTRFS info (device loop4): using free space tree
[  279.829698][ T5863] loop2: detected capacity change from 0 to 32768
[  279.879737][ T5863] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.209 (5863)
[  279.940687][ T5867] loop1: detected capacity change from 0 to 32768
[  280.038582][ T5867] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.210 (5867)
[  280.173437][ T5886] loop0: detected capacity change from 0 to 32768
[  280.188525][ T5886] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.211 (5886)
[  280.216897][ T5861] BTRFS info (device loop4): enabling ssd optimizations
[  280.307933][ T5861] BTRFS info (device loop4): balance: start -dconvert=raid0 -mconvert=raid0
[  280.336515][ T5861] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
[  280.502808][ T4420] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4420)
[  280.558559][ T5861] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata
[  280.654464][ T4315] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4315)
[  280.681646][ T5861] BTRFS info (device loop4): balance: canceled
[  280.731014][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  280.812871][ T4412] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  280.824033][ T5888] loop3: detected capacity change from 0 to 32768
[  280.884452][ T5888] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.212 (5888)
[  281.381582][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by udevd (4313)
[  281.518208][ T5903] loop2: detected capacity change from 0 to 32768
[  281.622411][ T5903] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  281.672769][ T5903] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  281.729996][ T5903] BTRFS info (device loop2): using free space tree
[  281.750348][ T5908] loop1: detected capacity change from 0 to 32768
[  281.795842][ T5908] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.214 (5908)
2026/09/27 10:56:24 executed programs: 211
[  281.852423][ T5912] loop0: detected capacity change from 0 to 32768
[  281.988691][ T5912] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.215 (5912)
[  282.072534][ T5917] loop4: detected capacity change from 0 to 32768
[  282.108824][ T5917] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.216 (5917)
[  282.163146][ T5903] BTRFS info (device loop2): enabling ssd optimizations
[  282.257991][ T5903] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  282.313910][ T5903] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  282.461186][ T4316] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4316)
[  282.514876][ T5903] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  282.534635][ T4420] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4420)
[  282.653502][ T4317] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4317)
[  282.665553][ T5903] BTRFS info (device loop2): 1 enospc errors during balance
[  282.703102][ T5903] BTRFS info (device loop2): balance: canceled
[  282.823758][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  282.846403][ T5915] loop3: detected capacity change from 0 to 32768
[  282.911884][ T5915] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.217 (5915)
[  283.458026][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by udevd (4313)
[  283.612489][ T5932] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  283.701899][ T5932] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  283.735624][ T5932] BTRFS info (device loop1): using free space tree
[  283.896055][ T5942] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.220 (5942)
[  283.985206][ T5940] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.219 (5940)
[  284.221406][ T5932] BTRFS info (device loop1): enabling ssd optimizations
[  284.288100][ T5932] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  284.301949][ T5932] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  284.424693][ T4315] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4315)
[  284.517567][ T5932] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  284.554785][ T4420] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4420)
[  284.661889][ T5932] BTRFS info (device loop1): balance: canceled
[  284.684141][ T5945] set_capacity_and_notify: 3 callbacks suppressed
[  284.684157][ T5945] loop3: detected capacity change from 0 to 32768
[  284.753767][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  284.793236][ T5945] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.222 (5945)
[  284.804173][ T5947] loop2: detected capacity change from 0 to 32768
[  284.859120][ T5947] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.221 (5947)
[  285.091338][ T4313] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  285.332193][ T5960] loop4: detected capacity change from 0 to 32768
[  285.416310][ T5968] loop0: detected capacity change from 0 to 32768
[  285.423429][ T4317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4317)
[  285.477076][ T5968] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.223 (5968)
[  285.488786][ T5960] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  285.573098][ T5960] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  285.581907][ T5960] BTRFS info (device loop4): using free space tree
[  286.019908][ T4420] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4420)
[  286.040634][ T5960] BTRFS info (device loop4): enabling ssd optimizations
[  286.137163][ T5960] BTRFS info (device loop4): balance: start -dconvert=raid0 -mconvert=raid0
[  286.194183][ T5960] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
[  286.375426][ T5960] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata
[  286.487377][ T5960] BTRFS info (device loop4): 1 enospc errors during balance
[  286.504379][ T5974] loop2: detected capacity change from 0 to 32768
[  286.523606][ T5960] BTRFS info (device loop4): balance: canceled
[  286.552261][ T5974] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.226 (5974)
[  286.604876][ T4412] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  286.917974][ T5976] loop1: detected capacity change from 0 to 32768
[  286.953372][ T5976] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz.1.225 (5976)
[  287.000281][ T5982] loop3: detected capacity change from 0 to 32768
[  287.019435][ T5976] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  287.054728][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4316)
[  287.068443][ T5984] loop0: detected capacity change from 0 to 32768
[  287.095805][ T5976] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  287.111773][ T5982] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.228 (5982)
[  287.148578][ T5984] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.227 (5984)
2026/09/27 10:56:29 executed programs: 224
[  287.189896][ T5976] BTRFS info (device loop1): using free space tree
[  287.386548][ T4317] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4317)
[  287.793266][ T5976] BTRFS info (device loop1): enabling ssd optimizations
[  287.823422][ T6002] loop2: detected capacity change from 0 to 32768
[  287.841965][ T6002] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.230 (6002)
[  287.880769][ T4313] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4313)
[  287.903831][ T5976] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  287.974275][ T5976] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  288.162924][ T5976] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  288.278256][ T5976] BTRFS info (device loop1): 1 enospc errors during balance
[  288.316501][ T5976] BTRFS info (device loop1): balance: canceled
[  288.407630][ T6004] loop4: detected capacity change from 0 to 32768
[  288.456887][ T6004] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.229 (6004)
[  288.467959][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  288.760456][ T6006] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by syz.3.231 (6006)
[  288.850284][ T6006] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  288.881281][ T6006] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  288.886326][ T4316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4316)
[  288.955576][ T6006] BTRFS info (device loop3): using free space tree
[  289.043389][ T6013] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.232 (6013)
[  289.400642][ T6006] BTRFS info (device loop3): enabling ssd optimizations
[  289.482010][ T6006] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  289.516972][ T6006] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  289.639420][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  289.652169][ T6006] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  289.754903][ T6006] BTRFS info (device loop3): balance: canceled
[  289.822216][ T6030] set_capacity_and_notify: 2 callbacks suppressed
[  289.822232][ T6030] loop2: detected capacity change from 0 to 32768
[  289.838823][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  289.854667][ T6034] loop1: detected capacity change from 0 to 32768
[  289.899939][ T6034] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.234 (6034)
[  289.979128][ T6030] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.233 (6030)
[  290.144277][ T6032] loop4: detected capacity change from 0 to 32768
[  290.203021][ T6032] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz.4.235 (6032)
[  290.291255][ T6032] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  290.356509][ T6032] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  290.400659][ T6032] BTRFS info (device loop4): using free space tree
[  290.437943][ T6039] loop0: detected capacity change from 0 to 32768
[  290.450577][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4316)
[  290.557747][ T4420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4420)
[  290.634119][ T6039] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.236 (6039)
[  290.731734][ T6032] BTRFS info (device loop4): enabling ssd optimizations
[  290.868739][ T6032] BTRFS info (device loop4): balance: start -dconvert=raid0 -mconvert=raid0
[  290.904551][ T6032] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
[  291.062094][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  291.105676][ T6032] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata
[  291.258767][ T6032] BTRFS info (device loop4): 1 enospc errors during balance
[  291.287963][ T6032] BTRFS info (device loop4): balance: canceled
[  291.368364][ T4412] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  291.396410][ T6057] loop2: detected capacity change from 0 to 32768
[  291.446636][ T6059] loop1: detected capacity change from 0 to 32768
[  291.477746][ T6057] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.239 (6057)
[  291.566975][ T6059] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.238 (6059)
[  291.944482][ T6061] loop3: detected capacity change from 0 to 32768
[  291.969445][ T4315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4315)
[  292.025307][ T6061] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  292.040944][ T4420] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 16 scanned by udevd (4420)
[  292.079864][ T6061] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  292.098724][ T4316] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4316)
[  292.149791][ T6061] BTRFS info (device loop3): using free space tree
[  292.338958][ T6081] loop0: detected capacity change from 0 to 32768
[  292.394642][ T6081] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.240 (6081)
2026/09/27 10:56:34 executed programs: 237
[  292.762410][ T6086] loop2: detected capacity change from 0 to 32768
[  292.823405][ T6086] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.242 (6086)
[  292.844869][ T6085] loop1: detected capacity change from 0 to 32768
[  292.855065][ T6085] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.243 (6085)
[  292.869839][ T6061] BTRFS info (device loop3): enabling ssd optimizations
[  292.996764][ T6061] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  293.040434][ T6061] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  293.191343][ T6061] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  293.191870][ T4313] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4313)
[  293.277187][ T6061] BTRFS info (device loop3): 1 enospc errors during balance
[  293.366364][ T6061] BTRFS info (device loop3): balance: canceled
[  293.477390][ T6088] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.241 (6088)
[  293.509208][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  293.534546][ T4316] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4316)
[  294.017855][ T4315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4315)
[  294.183789][ T6100] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  294.235414][ T6100] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  294.273079][ T6100] BTRFS info (device loop0): using free space tree
[  294.356684][ T6111] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.245 (6111)
[  294.595278][ T4316] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4316)
[  294.753388][ T6100] BTRFS info (device loop0): enabling ssd optimizations
[  294.867764][ T6100] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[  294.898312][ T6100] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[  294.903711][ T6116] set_capacity_and_notify: 3 callbacks suppressed
[  294.903725][ T6116] loop4: detected capacity change from 0 to 32768
[  294.972391][ T6114] loop2: detected capacity change from 0 to 32768
[  295.008251][ T6116] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.248 (6116)
[  295.066130][ T6100] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[  295.084299][ T6114] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.246 (6114)
[  295.206765][ T6100] BTRFS info (device loop0): 1 enospc errors during balance
[  295.245116][ T6100] BTRFS info (device loop0): balance: canceled
[  295.304158][ T4403] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  295.383912][ T6118] loop3: detected capacity change from 0 to 32768
[  295.432461][ T6118] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.247 (6118)
[  295.561432][ T4315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4315)
[  296.012683][ T6130] loop1: detected capacity change from 0 to 32768
[  296.081978][ T6130] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  296.155162][ T6130] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  296.215384][ T6130] BTRFS info (device loop1): using free space tree
[  296.603158][ T6130] BTRFS info (device loop1): enabling ssd optimizations
[  296.622348][ T6143] loop4: detected capacity change from 0 to 32768
[  296.665347][ T6143] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.250 (6143)
[  296.695974][ T6130] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  296.731782][ T6130] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  296.835623][ T6144] loop2: detected capacity change from 0 to 32768
[  296.889598][ T6144] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.251 (6144)
[  296.940325][ T6130] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  297.108201][ T6130] BTRFS info (device loop1): balance: canceled
[  297.248178][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  297.312184][ T6147] loop3: detected capacity change from 0 to 32768
[  297.406316][ T4420] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4420)
[  297.448689][ T6147] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  297.482686][ T6150] loop0: detected capacity change from 0 to 32768
[  297.501868][ T6147] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  297.543136][ T6147] BTRFS info (device loop3): using free space tree
[  297.606101][ T6150] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.252 (6150)
2026/09/27 10:56:39 executed programs: 250
[  297.782021][ T6147] BTRFS info (device loop3): enabling ssd optimizations
[  297.869698][ T6147] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  297.924136][ T6147] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  298.104292][ T6147] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  298.126958][ T4316] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4316)
[  298.235838][ T6147] BTRFS info (device loop3): 1 enospc errors during balance
[  298.273099][ T6147] BTRFS info (device loop3): balance: canceled
[  298.368625][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  298.548933][ T6172] loop2: detected capacity change from 0 to 32768
[  298.679997][ T6172] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz.2.254 (6172)
[  298.734748][ T6174] loop4: detected capacity change from 0 to 32768
[  298.780207][ T6172] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  298.804689][ T6174] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.256 (6174)
[  298.831192][ T6172] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  298.855765][ T4315] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 16 scanned by udevd (4315)
[  298.871493][ T6172] BTRFS info (device loop2): using free space tree
[  299.021442][ T6189] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.255 (6189)
[  299.223015][ T6172] BTRFS info (device loop2): enabling ssd optimizations
[  299.300598][ T6172] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  299.348006][ T6172] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  299.402563][ T4316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4316)
[  299.469441][ T6197] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.257 (6197)
[  299.540820][ T6172] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  299.635648][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317)
[  299.646419][ T6172] BTRFS info (device loop2): balance: canceled
[  299.774179][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  299.940659][ T4315] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4315)
[  300.104719][ T6205] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz.4.259 (6205)
[  300.184566][ T6205] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  300.238399][ T6205] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  300.276452][ T6205] BTRFS info (device loop4): using free space tree
[  300.415591][ T6200] set_capacity_and_notify: 3 callbacks suppressed
[  300.415608][ T6200] loop3: detected capacity change from 0 to 32768
[  300.483717][ T6200] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.258 (6200)
[  300.726989][ T6220] loop1: detected capacity change from 0 to 32768
[  300.747676][ T6220] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.260 (6220)
[  300.759135][ T6225] loop0: detected capacity change from 0 to 32768
[  300.778261][ T6205] BTRFS info (device loop4): enabling ssd optimizations
[  300.878546][ T6225] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.261 (6225)
[  300.884654][ T6205] BTRFS info (device loop4): balance: start -dconvert=raid0 -mconvert=raid0
[  300.941804][ T4317] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4317)
[  300.967825][ T6205] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
[  301.119008][ T6205] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata
[  301.264457][ T6205] BTRFS info (device loop4): 1 enospc errors during balance
[  301.323005][ T6205] BTRFS info (device loop4): balance: canceled
[  301.328650][ T4315] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4315)
[  301.348788][ T6227] loop2: detected capacity change from 0 to 32768
[  301.412604][ T4313] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4313)
[  301.468421][ T6227] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.262 (6227)
[  301.485739][ T4412] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  301.961486][ T4420] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4420)
[  302.347737][ T6244] loop3: detected capacity change from 0 to 32768
[  302.418827][ T6244] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  302.464271][ T6244] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  302.508525][ T6244] BTRFS info (device loop3): using free space tree
[  302.560084][ T6251] loop1: detected capacity change from 0 to 32768
[  302.593580][ T6251] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.264 (6251)
[  302.627935][ T6253] loop0: detected capacity change from 0 to 32768
[  302.754212][ T6253] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.265 (6253)
[  302.844095][ T6244] BTRFS info (device loop3): enabling ssd optimizations
2026/09/27 10:56:45 executed programs: 262
[  302.929386][ T6244] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  302.979902][ T6244] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  303.035587][ T4315] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4315)
[  303.152386][ T6244] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  303.253345][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  303.294857][ T6257] loop4: detected capacity change from 0 to 32768
[  303.335218][ T6244] BTRFS info (device loop3): balance: canceled
[  303.368374][ T6257] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.266 (6257)
[  303.511905][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  304.034546][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by udevd (4313)
[  304.258944][ T6277] loop1: detected capacity change from 0 to 32768
[  304.344046][ T6277] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  304.414418][ T6277] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  304.461381][ T6277] BTRFS info (device loop1): using free space tree
[  304.538716][ T6282] loop0: detected capacity change from 0 to 32768
[  304.609274][ T6282] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.269 (6282)
[  304.741120][ T6287] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.272 (6287)
[  304.782866][ T6277] BTRFS info (device loop1): enabling ssd optimizations
[  304.854319][ T6277] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  304.895129][ T6277] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  304.969781][ T6285] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.270 (6285)
[  305.110093][ T6289] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.271 (6289)
[  305.111778][ T6277] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  305.174415][ T4316] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4316)
[  305.242789][ T6277] BTRFS info (device loop1): balance: canceled
[  305.359672][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  305.495128][ T4420] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4420)
[  305.721058][ T4317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by udevd (4317)
[  306.321847][ T6310] set_capacity_and_notify: 3 callbacks suppressed
[  306.321865][ T6310] loop0: detected capacity change from 0 to 32768
[  306.438865][ T6310] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  306.493062][ T6310] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  306.501921][ T6310] BTRFS info (device loop0): using free space tree
[  306.684888][ T6314] loop2: detected capacity change from 0 to 32768
[  306.733175][ T6314] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.274 (6314)
[  306.789060][ T6316] loop3: detected capacity change from 0 to 32768
[  306.836826][ T6316] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.275 (6316)
[  306.870086][ T6319] loop4: detected capacity change from 0 to 32768
[  306.884852][ T6319] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.277 (6319)
[  307.039468][ T6321] loop1: detected capacity change from 0 to 32768
[  307.061046][ T6310] BTRFS info (device loop0): enabling ssd optimizations
[  307.078739][ T6321] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.276 (6321)
[  307.148364][ T6310] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[  307.230727][ T6310] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[  307.402213][ T4316] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4316)
[  307.435278][ T6310] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[  307.460824][ T4420] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4420)
[  307.502204][ T4317] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4317)
[  307.574518][ T6310] BTRFS info (device loop0): balance: canceled
[  307.604023][ T4313] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4313)
[  307.670769][ T4403] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  308.346308][ T4315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 16 /dev/loop0 scanned by udevd (4315)
[  308.447886][ T6341] loop3: detected capacity change from 0 to 32768
[  308.515694][ T6341] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
2026/09/27 10:56:50 executed programs: 276
[  308.630468][ T6344] loop2: detected capacity change from 0 to 32768
[  308.667978][ T6346] loop4: detected capacity change from 0 to 32768
[  308.671948][ T6344] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 16
[  308.747960][ T6346] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  308.977559][ T6350] loop1: detected capacity change from 0 to 32768
[  308.988427][ T4316] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  309.071396][ T6350] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  309.161124][ T4420] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 16
[  309.246701][ T4317] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  309.602298][ T4313] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  309.636150][ T6352] loop0: detected capacity change from 0 to 32768
[  309.739221][ T6352] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  309.800735][ T6352] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  309.841167][ T6352] BTRFS info (device loop0): using free space tree
[  310.223940][ T6352] BTRFS info (device loop0): enabling ssd optimizations
[  310.346369][ T6352] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[  310.361355][ T6355] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.283 (6355)
[  310.395350][ T6352] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[  310.527692][ T6357] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.284 (6357)
[  310.562348][ T6352] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[  310.588983][ T6361] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.286 (6361)
[  310.641162][ T6359] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.285 (6359)
[  310.703671][ T6352] BTRFS info (device loop0): balance: canceled
[  310.817848][ T4316] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4316)
[  310.850137][ T4403] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  311.129491][ T4317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by udevd (4317)
[  312.216582][ T6382] set_capacity_and_notify: 4 callbacks suppressed
[  312.216599][ T6382] loop3: detected capacity change from 0 to 32768
[  312.240194][ T6385] loop2: detected capacity change from 0 to 32768
[  312.310589][ T6387] loop1: detected capacity change from 0 to 32768
[  312.347433][ T6385] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.288 (6385)
[  312.359531][ T6382] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  312.396784][ T6387] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.289 (6387)
[  312.406442][ T6382] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  312.440692][ T4316] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  312.464173][ T6382] BTRFS info (device loop3): using free space tree
[  312.551601][ T6389] loop4: detected capacity change from 0 to 32768
[  312.584440][ T6389] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.290 (6389)
[  312.882885][ T6382] BTRFS info (device loop3): enabling ssd optimizations
[  312.886072][ T6392] loop0: detected capacity change from 0 to 32768
[  312.927367][ T6392] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.291 (6392)
[  313.021902][ T6382] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  313.039087][ T4317] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4317)
[  313.101319][ T6382] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  313.259657][ T6382] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  313.370103][ T4316] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4316)
[  313.421025][ T6382] BTRFS info (device loop3): balance: canceled
[  313.505856][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  314.028006][ T6405] loop4: detected capacity change from 0 to 32768
[  314.082325][ T6405] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 scanned by syz.4.292 (6405)
[  314.160485][ T6405] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  314.199434][ T6415] loop2: detected capacity change from 0 to 32768
[  314.223608][ T6405] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  314.243365][ T4418] Bluetooth: hci0: command 0x0406 tx timeout
[  314.249447][ T4418] Bluetooth: hci2: command 0x0406 tx timeout
[  314.253600][ T6405] BTRFS info (device loop4): using free space tree
[  314.255908][ T4365] Bluetooth: hci3: command 0x0406 tx timeout
[  314.262418][ T4419] Bluetooth: hci1: command 0x0406 tx timeout
[  314.268428][ T4418] Bluetooth: hci4: command 0x0406 tx timeout
[  314.297388][ T6421] loop0: detected capacity change from 0 to 32768
[  314.313557][ T6415] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.293 (6415)
[  314.390532][ T6421] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.295 (6421)
2026/09/27 10:56:56 executed programs: 290
[  314.507802][ T6405] BTRFS info (device loop4): enabling ssd optimizations
[  314.522769][ T6423] loop3: detected capacity change from 0 to 32768
[  314.548353][ T6423] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.296 (6423)
[  314.631868][ T6405] BTRFS info (device loop4): balance: start -dconvert=raid0 -mconvert=raid0
[  314.697013][ T6405] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
[  314.738704][ T6420] loop1: detected capacity change from 0 to 32768
[  314.808123][ T6420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.294 (6420)
[  314.873150][ T6405] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata
[  314.928300][ T4420] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4420)
[  314.993931][ T6405] BTRFS info (device loop4): balance: canceled
[  315.008801][ T4315] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4315)
[  315.071036][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  315.116807][ T4412] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  315.318712][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by udevd (4313)
[  316.186692][ T6444] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.298 (6444)
[  316.203847][ T6442] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  316.244234][ T6442] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  316.259492][ T6446] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.299 (6446)
[  316.281986][ T6442] BTRFS info (device loop2): using free space tree
[  316.464535][ T6450] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.300 (6450)
[  316.678570][ T6442] BTRFS info (device loop2): enabling ssd optimizations
[  316.736095][ T6452] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.301 (6452)
[  316.787877][ T6442] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  316.816207][ T6442] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  316.838345][ T4420] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4420)
[  316.897991][ T4315] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4315)
[  317.046447][ T6442] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  317.183834][ T6442] BTRFS info (device loop2): balance: canceled
[  317.258190][ T4317] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4317)
[  317.287734][ T1280] ieee802154 phy0 wpan0: encryption failed: -22
[  317.294196][ T1280] ieee802154 phy1 wpan1: encryption failed: -22
[  317.364849][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  317.840028][ T6459] set_capacity_and_notify: 5 callbacks suppressed
[  317.840047][ T6459] loop3: detected capacity change from 0 to 32768
[  317.854276][ T6461] loop0: detected capacity change from 0 to 32768
[  317.902444][ T6461] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz.0.302 (6461)
[  317.975486][ T6459] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.303 (6459)
[  317.998391][ T6461] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  318.064721][ T6461] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  318.119923][ T6461] BTRFS info (device loop0): using free space tree
[  318.380964][ T6478] loop4: detected capacity change from 0 to 32768
[  318.434679][ T6478] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.304 (6478)
[  318.486208][ T6480] loop1: detected capacity change from 0 to 32768
[  318.514101][ T4317] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4317)
[  318.610370][ T6480] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.305 (6480)
[  318.662309][ T6461] BTRFS info (device loop0): enabling ssd optimizations
[  318.767416][ T6461] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[  318.819963][ T6461] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[  318.885824][ T6482] loop2: detected capacity change from 0 to 32768
[  318.963071][ T6482] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.306 (6482)
[  318.980037][ T6486] loop3: detected capacity change from 0 to 32768
[  319.036956][ T6461] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[  319.067333][ T6486] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.307 (6486)
[  319.112636][ T4420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4420)
[  319.159852][ T6461] BTRFS info (device loop0): balance: canceled
[  319.173265][ T4316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4316)
[  319.283868][ T4403] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  319.519570][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4313)
[  319.739721][ T4317] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  320.282989][ T6506] loop1: detected capacity change from 0 to 32768
[  320.306932][ T6502] loop4: detected capacity change from 0 to 32768
[  320.327085][ T6506] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  320.397899][ T6502] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
2026/09/27 10:57:02 executed programs: 306
[  320.799526][ T4420] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  320.800449][ T6509] loop2: detected capacity change from 0 to 32768
[  320.885845][ T4317] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  320.950288][ T6509] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 16
[  320.979135][ T6511] loop3: detected capacity change from 0 to 32768
[  321.055296][ T6511] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  321.333124][ T6513] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  321.364459][ T6513] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  321.439288][ T6513] BTRFS info (device loop0): using free space tree
[  321.514556][ T4316] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4316)
[  321.700110][ T6519] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.314 (6519)
[  321.873350][ T6517] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.313 (6517)
[  321.911706][ T6513] BTRFS info (device loop0): enabling ssd optimizations
[  321.943516][ T4313] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4313)
[  322.022725][ T6513] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[  322.073885][ T6513] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[  322.296960][ T6513] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[  322.304054][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317)
[  322.383497][ T4420] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4420)
[  322.394509][ T6513] BTRFS info (device loop0): 1 enospc errors during balance
[  322.402134][ T6513] BTRFS info (device loop0): balance: canceled
[  322.594969][ T4403] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  322.619806][ T6521] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.315 (6521)
[  323.061172][ T6523] set_capacity_and_notify: 4 callbacks suppressed
[  323.061188][ T6523] loop3: detected capacity change from 0 to 32768
[  323.109173][ T4316] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4316)
[  323.158298][ T6523] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  323.199553][ T6523] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  323.225411][ T6523] BTRFS info (device loop3): using free space tree
[  323.261562][ T6542] loop4: detected capacity change from 0 to 32768
[  323.324521][ T6542] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.317 (6542)
[  323.512296][ T6523] BTRFS info (device loop3): enabling ssd optimizations
[  323.599068][ T6544] loop1: detected capacity change from 0 to 32768
[  323.622159][ T6523] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  323.642839][ T6550] loop0: detected capacity change from 0 to 32768
[  323.667883][ T6523] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  323.691614][ T6544] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.318 (6544)
[  323.729348][ T6550] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.319 (6550)
[  323.838564][ T6523] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  323.928793][ T6523] BTRFS info (device loop3): 1 enospc errors during balance
[  323.948556][ T4317] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4317)
[  323.963506][ T6523] BTRFS info (device loop3): balance: canceled
[  324.092369][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  324.203295][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by udevd (4313)
[  324.768824][ T6549] loop2: detected capacity change from 0 to 32768
[  324.853939][ T6549] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  324.913066][ T6549] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  324.921932][ T6549] BTRFS info (device loop2): using free space tree
[  325.350068][ T6570] loop4: detected capacity change from 0 to 32768
[  325.418869][ T6576] loop0: detected capacity change from 0 to 32768
[  325.425938][ T6549] BTRFS info (device loop2): enabling ssd optimizations
[  325.433584][ T6576] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.323 (6576)
[  325.442231][ T6575] loop1: detected capacity change from 0 to 32768
2026/09/27 10:57:07 executed programs: 318
[  325.467478][ T6570] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.321 (6570)
[  325.549804][ T6549] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  325.559001][ T6575] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.322 (6575)
[  325.620302][ T6549] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  325.846431][ T6549] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  325.911653][ T4420] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4420)
[  325.957717][ T6579] loop3: detected capacity change from 0 to 32768
[  325.973548][ T6549] BTRFS info (device loop2): 1 enospc errors during balance
[  325.991381][ T4315] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4315)
[  326.018063][ T6549] BTRFS info (device loop2): balance: canceled
[  326.038168][ T4317] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4317)
[  326.114417][ T6579] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.324 (6579)
[  326.114475][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  326.776485][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 scanned by udevd (4313)
[  327.140709][ T6599] loop0: detected capacity change from 0 to 32768
[  327.152088][ T6602] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  327.205839][ T6599] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.325 (6599)
[  327.236116][ T6602] BTRFS info (device loop4): using crc32c (crc32c-intel) checksum algorithm
[  327.275876][ T6602] BTRFS info (device loop4): using free space tree
[  327.471746][ T6605] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.327 (6605)
[  327.556118][ T4315] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4315)
[  327.637672][ T6602] BTRFS info (device loop4): enabling ssd optimizations
[  327.712705][ T6602] BTRFS info (device loop4): balance: start -dconvert=raid0 -mconvert=raid0
[  327.778490][ T6602] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata
[  327.823171][ T6607] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.329 (6607)
[  327.942647][ T6602] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata
[  328.050859][ T4420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4420)
[  328.084309][ T6602] BTRFS info (device loop4): 1 enospc errors during balance
[  328.092640][ T6602] BTRFS info (device loop4): balance: canceled
[  328.166895][ T6609] set_capacity_and_notify: 3 callbacks suppressed
[  328.166912][ T6609] loop2: detected capacity change from 0 to 32768
[  328.220314][ T4412] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  328.269083][ T6609] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.328 (6609)
[  328.729636][ T4317] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by udevd (4317)
[  328.894267][ T6617] loop0: detected capacity change from 0 to 32768
[  328.979224][ T6617] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  329.010786][ T6617] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  329.042139][ T6617] BTRFS info (device loop0): using free space tree
[  329.068280][ T6632] loop1: detected capacity change from 0 to 32768
[  329.123242][ T6632] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.331 (6632)
[  329.522704][ T4316] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4316)
[  329.583125][ T6617] BTRFS info (device loop0): enabling ssd optimizations
[  329.651509][ T6617] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[  329.732794][ T6617] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[  329.799387][ T6635] loop2: detected capacity change from 0 to 32768
[  329.834665][ T6635] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.333 (6635)
[  329.864855][ T6637] loop3: detected capacity change from 0 to 32768
[  329.883263][ T6617] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[  329.923232][ T6637] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.334 (6637)
[  329.964175][ T6617] BTRFS info (device loop0): balance: canceled
[  330.078130][ T4403] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  330.137492][ T6640] loop4: detected capacity change from 0 to 32768
[  330.215185][ T6640] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.332 (6640)
[  330.342460][ T6649] loop1: detected capacity change from 0 to 32768
[  330.420085][ T4315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 16 /dev/loop0 scanned by udevd (4315)
[  330.516593][ T6649] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  330.544973][ T4420] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
2026/09/27 10:57:12 executed programs: 332
[  330.737074][ T4317] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  330.980011][ T4316] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 16
[  331.514555][ T6663] loop3: detected capacity change from 0 to 32768
[  331.563153][ T6663] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 16
[  331.703586][ T6665] loop4: detected capacity change from 0 to 32768
[  331.729234][ T6667] loop0: detected capacity change from 0 to 32768
[  331.774323][ T6665] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 16
[  331.851625][ T6667] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  331.886517][ T6667] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[  331.944168][ T6667] BTRFS info (device loop0): using free space tree
[  331.970301][ T4420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4420)
[  332.149844][ T6672] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.340 (6672)
[  332.161723][ T6671] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.339 (6671)
[  332.366550][ T4316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4316)
[  332.400826][ T6667] BTRFS info (device loop0): enabling ssd optimizations
[  332.484093][ T6667] BTRFS info (device loop0): balance: start -dconvert=raid0 -mconvert=raid0
[  332.530763][ T6667] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata
[  332.695235][ T6667] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata
[  332.726712][ T4317] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4317)
[  332.811925][ T6667] BTRFS info (device loop0): balance: canceled
[  332.818556][ T4313] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4313)
[  332.942568][ T4403] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  333.340189][ T6694] set_capacity_and_notify: 2 callbacks suppressed
[  333.340205][ T6694] loop2: detected capacity change from 0 to 32768
[  333.459976][ T6694] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz.2.344 (6694)
[  333.518210][ T6674] loop3: detected capacity change from 0 to 32768
[  333.556735][ T6676] loop4: detected capacity change from 0 to 32768
[  333.568944][ T6694] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  333.617890][ T6674] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.341 (6674)
[  333.629911][ T6694] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  333.682994][ T6694] BTRFS info (device loop2): using free space tree
[  333.692652][ T6676] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.342 (6676)
[  334.066914][ T4420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4420)
[  334.148300][ T6694] BTRFS info (device loop2): enabling ssd optimizations
[  334.188611][ T6688] loop1: detected capacity change from 0 to 32768
[  334.258111][ T6688] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.343 (6688)
[  334.287019][ T6694] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  334.346957][ T4317] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4317)
[  334.351618][ T6694] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  334.506387][ T6701] loop0: detected capacity change from 0 to 32768
[  334.573534][ T6701] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.345 (6701)
[  334.610286][ T6694] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  334.738260][ T6694] BTRFS info (device loop2): 1 enospc errors during balance
[  334.787390][ T4315] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4315)
[  334.798177][ T6694] BTRFS info (device loop2): balance: canceled
[  334.925630][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  335.119654][ T4313] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by udevd (4313)
[  335.353325][ T6705] loop3: detected capacity change from 0 to 32768
[  335.401059][ T6705] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  335.483948][ T6705] BTRFS info (device loop3): using crc32c (crc32c-intel) checksum algorithm
[  335.563162][ T6705] BTRFS info (device loop3): using free space tree
[  335.597544][ T6709] loop4: detected capacity change from 0 to 32768
[  335.704668][ T6709] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.347 (6709)
2026/09/27 10:57:17 executed programs: 344
[  335.945209][ T6705] BTRFS info (device loop3): enabling ssd optimizations
[  336.114601][ T6705] BTRFS info (device loop3): balance: start -dconvert=raid0 -mconvert=raid0
[  336.175209][ T6705] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata
[  336.176525][ T6726] loop1: detected capacity change from 0 to 32768
[  336.268845][ T6726] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.348 (6726)
[  336.366636][ T6705] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata
[  336.376215][ T4316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4316)
[  336.432874][ T6705] BTRFS info (device loop3): balance: canceled
[  336.482457][ T6728] loop0: detected capacity change from 0 to 32768
[  336.501498][ T4410] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  336.559376][ T6728] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.349 (6728)
[  336.626887][ T6731] loop2: detected capacity change from 0 to 32768
[  336.757579][ T6731] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz.2.350 (6731)
[  336.844079][ T4315] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4315)
[  336.856964][ T6731] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  336.897991][ T6731] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  336.948960][ T6731] BTRFS info (device loop2): using free space tree
[  337.252234][ T4317] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4317)
[  337.264801][ T6731] BTRFS info (device loop2): enabling ssd optimizations
[  337.418696][ T6731] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  337.472215][ T6731] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  337.602764][ T6731] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  337.720702][ T6731] BTRFS info (device loop2): balance: canceled
[  337.819551][ T6756] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.354 (6756)
[  337.864590][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  338.130894][ T6754] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz.1.352 (6754)
[  338.224644][ T6758] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.353 (6758)
[  338.241353][ T6754] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  338.297631][ T6754] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  338.361089][ T6754] BTRFS info (device loop1): using free space tree
[  338.404181][ T6760] set_capacity_and_notify: 3 callbacks suppressed
[  338.404198][ T6760] loop4: detected capacity change from 0 to 32768
[  338.431594][ T4315] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4315)
[  338.580911][ T6760] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.355 (6760)
[  338.675663][ T6781] loop0: detected capacity change from 0 to 32768
[  338.727542][ T4420] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4420)
[  338.763109][ T6754] BTRFS info (device loop1): enabling ssd optimizations
[  338.815597][ T6754] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  338.825512][ T6781] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.357 (6781)
[  338.852869][ T6754] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata
[  339.069862][ T6754] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata
[  339.077940][ T4317] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4317)
[  339.200718][ T6754] BTRFS info (device loop1): balance: canceled
[  339.322859][ T4408] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  339.735009][ T6783] loop2: detected capacity change from 0 to 32768
[  339.801635][ T6783] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 scanned by syz.2.356 (6783)
[  339.808159][ T6788] loop3: detected capacity change from 0 to 32768
[  339.880229][ T6788] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.358 (6788)
[  339.896255][ T6783] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  339.940630][ T6783] BTRFS info (device loop2): using crc32c (crc32c-intel) checksum algorithm
[  340.005568][ T6783] BTRFS info (device loop2): using free space tree
[  340.104710][ T6804] loop4: detected capacity change from 0 to 32768
[  340.165253][ T6804] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.359 (6804)
[  340.259908][ T4315] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4315)
[  340.308398][ T6783] BTRFS info (device loop2): enabling ssd optimizations
[  340.433771][ T6783] BTRFS info (device loop2): balance: start -dconvert=raid0 -mconvert=raid0
[  340.514700][ T6783] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata
[  340.655303][ T6783] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata
[  340.665682][ T4317] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4317)
[  340.745437][ T6783] BTRFS info (device loop2): balance: canceled
2026/09/27 10:57:22 executed programs: 357
[  340.821955][ T4409] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  341.096922][ T6810] loop1: detected capacity change from 0 to 32768
[  341.129006][ T6808] loop0: detected capacity change from 0 to 32768
[  341.168469][ T6810] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 scanned by syz.1.360 (6810)
[  341.226594][ T6808] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.361 (6808)
[  341.239514][ T6810] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
[  341.313076][ T6810] BTRFS info (device loop1): using crc32c (crc32c-intel) checksum algorithm
[  341.382734][ T6810] BTRFS info (device loop1): using free space tree
[  341.391527][ T6812] loop3: detected capacity change from 0 to 32768
[  341.461143][ T6812] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.362 (6812)
[  341.580083][ T4316] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4316)
[  341.751925][ T6832] loop4: detected capacity change from 0 to 32768
[  341.792363][ T6810] BTRFS info (device loop1): enabling ssd optimizations
[  341.853297][ T6810] BTRFS info (device loop1): balance: start -dconvert=raid0 -mconvert=raid0
[  341.855021][ T6832] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.363 (6832)
[  341.903255][ T6835] loop2: detected capacity change from 0 to 32768
[  341.941457][ T6858] ------------[ cut here ]------------
[  341.941858][ T6810] BTRFS info (device loop1: state A): relocating block group 6881280 flags data|metadata
[  341.969812][ T6835] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.364 (6835)
[  342.132101][ T6858] WARNING: CPU: 0 PID: 6858 at fs/btrfs/inode.c:6637 btrfs_create_new_inode+0x1c88/0x2610
[  342.143429][ T6858] Modules linked in:
[  342.147467][ T6858] CPU: 0 PID: 6858 Comm: syz.1.360 Not tainted syzkaller #0
[  342.154994][ T6858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  342.165489][ T6858] RIP: 0010:btrfs_create_new_inode+0x1c88/0x2610
[  342.171883][ T6858] Code: cf 8a 44 89 fe e8 58 53 dc fd 0f 0b 4c 8b 64 24 10 e9 57 ff ff ff e8 67 cc 10 fe 48 c7 c7 e0 db cf 8a 44 89 fe e8 38 53 dc fd <0f> 0b e9 27 fe ff ff e8 4c cc 10 fe e9 b3 e7 ff ff e8 42 cc 10 fe
[  342.192059][ T6858] RSP: 0000:ffffc9000d967600 EFLAGS: 00010246
[  342.198228][ T6858] RAX: 10bf3d3268db0000 RBX: 0000000000000000 RCX: ffff888025425a00
[  342.206724][ T6858] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[  342.215136][ T6858] RBP: ffffc9000d967850 R08: ffff8880b8e279db R09: 1ffff110171c4f3b
[  342.223393][ T6858] R10: dffffc0000000000 R11: ffffed10171c4f3c R12: 1ffff1100e6f785e
[  342.231624][ T6858] R13: ffff88807eb18001 R14: 1ffff92001b2cedc R15: 00000000ffffffe4
[  342.239957][ T6858] FS:  00007f57a44616c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[  342.249083][ T6858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  342.255750][ T6858] CR2: 00007f1a33a45000 CR3: 000000007f8d1000 CR4: 00000000003506f0
[  342.263896][ T6858] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  342.271932][ T6858] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  342.280018][ T6858] Call Trace:
[  342.283461][ T6858]  <TASK>
[  342.286463][ T6858]  ? btrfs_new_inode_args_destroy+0x170/0x170
[  342.292594][ T6858]  ? __btrfs_qgroup_free_meta+0x370/0x370
[  342.298448][ T6858]  ? start_transaction+0x421/0x1190
[  342.303761][ T6858]  btrfs_create_common+0x195/0x270
[  342.308939][ T6858]  ? btrfs_tmpfile+0x410/0x410
[  342.313831][ T6858]  ? do_raw_spin_unlock+0x11d/0x230
[  342.319175][ T6858]  ? btrfs_create+0x6c/0x130
[  342.323861][ T6858]  ? btrfs_lookup+0x30/0x30
[  342.328418][ T6858]  path_openat+0x11b9/0x2f10
[  342.333127][ T6858]  ? do_filp_open+0x420/0x420
[  342.337916][ T6858]  do_filp_open+0x1ee/0x420
[  342.342742][ T6858]  ? vfs_tmpfile+0x470/0x470
[  342.347454][ T6858]  ? _raw_spin_unlock+0x24/0x40
[  342.352621][ T6858]  ? alloc_fd+0x590/0x640
[  342.357094][ T6858]  do_sys_openat2+0x14b/0x4f0
[  342.361896][ T6858]  ? lockdep_hardirqs_on+0x94/0x140
[  342.367178][ T6858]  ? do_sys_open+0xe0/0xe0
[  342.371637][ T6858]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[  342.378057][ T6858]  ? __x64_sys_rt_sigprocmask+0xa0/0xa0
[  342.383810][ T6858]  ? lock_chain_count+0x20/0x20
[  342.388831][ T6858]  __x64_sys_openat+0x135/0x160
[  342.393779][ T6858]  do_syscall_64+0x4c/0xa0
[  342.398333][ T6858]  ? clear_bhb_loop+0x60/0xb0
[  342.403074][ T6858]  ? clear_bhb_loop+0x60/0xb0
[  342.407886][ T6858]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  342.413866][ T6858] RIP: 0033:0x7f57a359e159
[  342.418490][ T6858] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  342.438363][ T6858] RSP: 002b:00007f57a4461028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[  342.447113][ T6858] RAX: ffffffffffffffda RBX: 00007f57a3826090 RCX: 00007f57a359e159
[  342.455169][ T6858] RDX: 000000000000275a RSI: 0000200000000000 RDI: ffffffffffffff9c
[  342.463316][ T6858] RBP: 00007f57a363506b R08: 0000000000000000 R09: 0000000000000000
[  342.471839][ T6858] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  342.479922][ T6858] R13: 00007f57a3826128 R14: 00007f57a3826090 R15: 00007fff91544968
[  342.488092][ T6858]  </TASK>
[  342.491151][ T6858] Kernel panic - not syncing: kernel: panic_on_warn set ...
[  342.498549][ T6858] CPU: 0 PID: 6858 Comm: syz.1.360 Not tainted syzkaller #0
[  342.501154][ T4420] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4420)
[  342.509323][ T4313] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4313)
[  342.526256][ T6858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  342.536329][ T6858] Call Trace:
[  342.539615][ T6858]  <TASK>
[  342.542552][ T6858]  dump_stack_lvl+0x188/0x24e
[  342.547263][ T6858]  ? memcpy+0x3c/0x60
[  342.551256][ T6858]  ? show_regs_print_info+0x12/0x12
[  342.556466][ T6858]  ? load_image+0x410/0x410
[  342.560990][ T6858]  panic+0x2d3/0x710
[  342.564901][ T6858]  ? bpf_jit_dump+0xd0/0xd0
[  342.569426][ T6858]  __warn+0x2f8/0x4f0
[  342.573416][ T6858]  ? btrfs_create_new_inode+0x1c88/0x2610
[  342.579238][ T6858]  ? btrfs_create_new_inode+0x1c88/0x2610
[  342.585138][ T6858]  report_bug+0x2ba/0x4f0
[  342.589494][ T6858]  ? btrfs_create_new_inode+0x1c88/0x2610
[  342.595247][ T6858]  handle_bug+0x3a/0x70
[  342.599498][ T6858]  exc_invalid_op+0x16/0x40
[  342.604011][ T6858]  asm_exc_invalid_op+0x16/0x20
[  342.608980][ T6858] RIP: 0010:btrfs_create_new_inode+0x1c88/0x2610
[  342.615321][ T6858] Code: cf 8a 44 89 fe e8 58 53 dc fd 0f 0b 4c 8b 64 24 10 e9 57 ff ff ff e8 67 cc 10 fe 48 c7 c7 e0 db cf 8a 44 89 fe e8 38 53 dc fd <0f> 0b e9 27 fe ff ff e8 4c cc 10 fe e9 b3 e7 ff ff e8 42 cc 10 fe
[  342.635293][ T6858] RSP: 0000:ffffc9000d967600 EFLAGS: 00010246
[  342.641370][ T6858] RAX: 10bf3d3268db0000 RBX: 0000000000000000 RCX: ffff888025425a00
[  342.649551][ T6858] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[  342.657558][ T6858] RBP: ffffc9000d967850 R08: ffff8880b8e279db R09: 1ffff110171c4f3b
[  342.666086][ T6858] R10: dffffc0000000000 R11: ffffed10171c4f3c R12: 1ffff1100e6f785e
[  342.674177][ T6858] R13: ffff88807eb18001 R14: 1ffff92001b2cedc R15: 00000000ffffffe4
[  342.682212][ T6858]  ? btrfs_new_inode_args_destroy+0x170/0x170
[  342.688484][ T6858]  ? __btrfs_qgroup_free_meta+0x370/0x370
[  342.694398][ T6858]  ? start_transaction+0x421/0x1190
[  342.699704][ T6858]  btrfs_create_common+0x195/0x270
[  342.704829][ T6858]  ? btrfs_tmpfile+0x410/0x410
[  342.709634][ T6858]  ? do_raw_spin_unlock+0x11d/0x230
[  342.714949][ T6858]  ? btrfs_create+0x6c/0x130
[  342.719726][ T6858]  ? btrfs_lookup+0x30/0x30
[  342.724342][ T6858]  path_openat+0x11b9/0x2f10
[  342.728965][ T6858]  ? do_filp_open+0x420/0x420
[  342.733900][ T6858]  do_filp_open+0x1ee/0x420
[  342.738445][ T6858]  ? vfs_tmpfile+0x470/0x470
[  342.743087][ T6858]  ? _raw_spin_unlock+0x24/0x40
[  342.748214][ T6858]  ? alloc_fd+0x590/0x640
[  342.752941][ T6858]  do_sys_openat2+0x14b/0x4f0
[  342.757667][ T6858]  ? lockdep_hardirqs_on+0x94/0x140
[  342.763066][ T6858]  ? do_sys_open+0xe0/0xe0
[  342.767531][ T6858]  ? lockdep_hardirqs_on_prepare+0x448/0x7c0
[  342.773693][ T6858]  ? __x64_sys_rt_sigprocmask+0xa0/0xa0
[  342.779453][ T6858]  ? lock_chain_count+0x20/0x20
[  342.784349][ T6858]  __x64_sys_openat+0x135/0x160
[  342.789255][ T6858]  do_syscall_64+0x4c/0xa0
[  342.793735][ T6858]  ? clear_bhb_loop+0x60/0xb0
[  342.798774][ T6858]  ? clear_bhb_loop+0x60/0xb0
[  342.803466][ T6858]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  342.809384][ T6858] RIP: 0033:0x7f57a359e159
[  342.813813][ T6858] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[  342.833627][ T6858] RSP: 002b:00007f57a4461028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[  342.842169][ T6858] RAX: ffffffffffffffda RBX: 00007f57a3826090 RCX: 00007f57a359e159
[  342.850355][ T6858] RDX: 000000000000275a RSI: 0000200000000000 RDI: ffffffffffffff9c
[  342.858347][ T6858] RBP: 00007f57a363506b R08: 0000000000000000 R09: 0000000000000000
[  342.866343][ T6858] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  342.874499][ T6858] R13: 00007f57a3826128 R14: 00007f57a3826090 R15: 00007fff91544968
[  342.882585][ T6858]  </TASK>
[  342.885746][ T6858] Kernel Offset: disabled
[  342.890141][ T6858] Rebooting in 86400 seconds..