o (device loop1): using crc32c checksum algorithm [ 140.567971][ T6361] BTRFS warning (device loop1): couldn't read tree root [ 140.567995][ T6361] BTRFS warning (device loop1): try to load backup roots slot 1 [ 140.569454][ T6361] BTRFS warning (device loop1): couldn't read tree root [ 140.569473][ T6361] BTRFS warning (device loop1): try to load backup roots slot 2 [ 140.569767][ T68] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 140.572284][ T6361] BTRFS warning (device loop1): couldn't read tree root [ 140.572300][ T6361] BTRFS warning (device loop1): try to load backup roots slot 3 [ 140.746555][ T5745] BTRFS info (device loop3): last unmount of filesystem 15b3300c-0bbe-454c-ab74-57c1f1991fc3 [ 140.821044][ T6361] BTRFS info (device loop1): checking UUID tree [ 140.821374][ T6361] BTRFS info (device loop1): setting nodatasum [ 140.821391][ T6361] BTRFS info (device loop1): enabling ssd optimizations [ 140.821406][ T6361] BTRFS info (device loop1): turning on flush-on-commit [ 140.821420][ T6361] BTRFS info (device loop1): turning on async discard [ 140.821433][ T6361] BTRFS info (device loop1): enabling free space tree [ 140.821448][ T6361] BTRFS info (device loop1): trying to use backup root at mount time [ 140.821463][ T6361] BTRFS info (device loop1): max_inline set to 0 [ 140.987187][ T6373] loop0: detected capacity change from 0 to 32768 [ 141.042977][ T6373] BTRFS info: device /dev/loop0 (7:0) using temp-fsid 2404fc8d-1784-416d-9770-1df45c2086ac [ 141.043031][ T6373] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.41 (6373) [ 141.243519][ T6373] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 141.243552][ T6373] BTRFS info (device loop0): using crc32c checksum algorithm [ 141.325798][ T6402] loop4: detected capacity change from 0 to 32768 [ 141.359141][ T6402] BTRFS info: device /dev/loop4 (7:4) using temp-fsid 747846aa-fd38-46f4-9332-3623a63202b6 [ 141.359195][ T6402] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.43 (6402) [ 141.540280][ T6402] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 141.540309][ T6402] BTRFS info (device loop4): using crc32c checksum algorithm [ 141.609191][ T43] btrfs_validate_extent_buffer: 2 callbacks suppressed [ 141.609209][ T43] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 141.659627][ T6373] BTRFS warning (device loop0): couldn't read tree root [ 141.659648][ T6373] BTRFS warning (device loop0): try to load backup roots slot 1 [ 141.689837][ T67] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 141.691803][ T6373] BTRFS warning (device loop0): couldn't read tree root [ 141.691822][ T6373] BTRFS warning (device loop0): try to load backup roots slot 2 [ 141.698558][ T67] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 141.699126][ T6373] BTRFS warning (device loop0): couldn't read tree root [ 141.699171][ T6373] BTRFS warning (device loop0): try to load backup roots slot 3 [ 141.820842][ T1533] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 141.821274][ T6402] BTRFS warning (device loop4): couldn't read tree root [ 141.821294][ T6402] BTRFS warning (device loop4): try to load backup roots slot 1 [ 141.826256][ T44] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 141.827898][ T6402] BTRFS warning (device loop4): couldn't read tree root [ 141.827958][ T6402] BTRFS warning (device loop4): try to load backup roots slot 2 [ 141.833777][ T213] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 141.834137][ T6402] BTRFS warning (device loop4): couldn't read tree root [ 141.834175][ T6402] BTRFS warning (device loop4): try to load backup roots slot 3 [ 142.083169][ T6402] BTRFS info (device loop4): checking UUID tree [ 142.092262][ T6402] BTRFS info (device loop4): setting nodatasum [ 142.092281][ T6402] BTRFS info (device loop4): enabling ssd optimizations [ 142.092296][ T6402] BTRFS info (device loop4): turning on flush-on-commit [ 142.092309][ T6402] BTRFS info (device loop4): turning on async discard [ 142.092323][ T6402] BTRFS info (device loop4): enabling free space tree [ 142.092337][ T6402] BTRFS info (device loop4): trying to use backup root at mount time [ 142.092352][ T6402] BTRFS info (device loop4): max_inline set to 0 [ 142.206585][ T6373] BTRFS error (device loop0): open_ctree failed: -4 [ 142.559512][ T5741] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 142.721092][ T5759] BTRFS info (device loop4): last unmount of filesystem 747846aa-fd38-46f4-9332-3623a63202b6 [ 142.862375][ T6437] loop2: detected capacity change from 0 to 32768 [ 142.940522][ T6437] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.45 (6437) [ 143.132354][ T6437] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 143.132384][ T6437] BTRFS info (device loop2): using crc32c checksum algorithm [ 143.278086][ T68] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 143.278906][ T6437] BTRFS warning (device loop2): couldn't read tree root [ 143.278925][ T6437] BTRFS warning (device loop2): try to load backup roots slot 1 [ 143.298922][ T12] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 143.331797][ T6437] BTRFS warning (device loop2): couldn't read tree root [ 143.331817][ T6437] BTRFS warning (device loop2): try to load backup roots slot 2 [ 143.380443][ T6420] loop3: detected capacity change from 0 to 32768 [ 143.391313][ T6420] BTRFS info: device /dev/loop3 (7:3) using temp-fsid 6ef59d3e-6fc7-4723-beb6-82a5a105bef9 [ 143.391370][ T6420] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.44 (6420) [ 143.393119][ T213] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 143.394687][ T6437] BTRFS warning (device loop2): couldn't read tree root [ 143.394704][ T6437] BTRFS warning (device loop2): try to load backup roots slot 3 [ 143.543664][ T6420] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 143.543692][ T6420] BTRFS info (device loop3): using crc32c checksum algorithm [ 143.576281][ T6452] loop0: detected capacity change from 0 to 32768 [ 143.601315][ T6452] BTRFS info: device /dev/loop0 (7:0) using temp-fsid ab181d74-8741-4681-bfe9-0acb17f4040c [ 143.601370][ T6452] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.48 (6452) [ 143.751105][ T6452] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 143.751133][ T6452] BTRFS info (device loop0): using crc32c checksum algorithm [ 143.807753][ T6437] BTRFS info (device loop2): checking UUID tree [ 143.813309][ T68] BTRFS warning (device loop3): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 143.814269][ T6420] BTRFS warning (device loop3): couldn't read tree root [ 143.814288][ T6420] BTRFS warning (device loop3): try to load backup roots slot 1 [ 143.830124][ T6437] BTRFS info (device loop2): setting nodatasum [ 143.830174][ T6437] BTRFS info (device loop2): enabling ssd optimizations [ 143.830210][ T6437] BTRFS info (device loop2): turning on flush-on-commit [ 143.830252][ T6437] BTRFS info (device loop2): turning on async discard [ 143.830296][ T6437] BTRFS info (device loop2): enabling free space tree [ 143.830320][ T6437] BTRFS info (device loop2): trying to use backup root at mount time [ 143.830356][ T6437] BTRFS info (device loop2): max_inline set to 0 [ 143.859742][ T213] BTRFS warning (device loop3): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 143.861297][ T6420] BTRFS warning (device loop3): couldn't read tree root [ 143.861341][ T6420] BTRFS warning (device loop3): try to load backup roots slot 2 [ 143.891548][ T68] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 143.959311][ T6420] BTRFS warning (device loop3): couldn't read tree root [ 143.959333][ T6420] BTRFS warning (device loop3): try to load backup roots slot 3 [ 144.078125][ T44] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 144.079323][ T6452] BTRFS warning (device loop0): couldn't read tree root [ 144.079343][ T6452] BTRFS warning (device loop0): try to load backup roots slot 1 [ 144.106161][ T213] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 144.150827][ T6420] BTRFS info (device loop3): checking UUID tree [ 144.229849][ T6452] BTRFS warning (device loop0): couldn't read tree root [ 144.229870][ T6452] BTRFS warning (device loop0): try to load backup roots slot 2 [ 144.230264][ T213] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 144.230381][ T6452] BTRFS warning (device loop0): couldn't read tree root [ 144.230397][ T6452] BTRFS warning (device loop0): try to load backup roots slot 3 [ 144.260810][ T6420] BTRFS error (device loop3): failed to check the UUID tree: -4 [ 144.388588][ T6452] BTRFS info (device loop0): checking UUID tree [ 144.391966][ T6452] BTRFS info (device loop0): setting nodatasum [ 144.391982][ T6452] BTRFS info (device loop0): enabling ssd optimizations [ 144.391994][ T6452] BTRFS info (device loop0): turning on flush-on-commit [ 144.392004][ T6452] BTRFS info (device loop0): turning on async discard [ 144.392015][ T6452] BTRFS info (device loop0): enabling free space tree [ 144.392025][ T6452] BTRFS info (device loop0): trying to use backup root at mount time [ 144.392037][ T6452] BTRFS info (device loop0): max_inline set to 0 [ 144.581151][ T6420] BTRFS error (device loop3): open_ctree failed: -4 2026/07/30 13:15:21 executed programs: 42 [ 145.041935][ T5738] BTRFS info (device loop0): last unmount of filesystem ab181d74-8741-4681-bfe9-0acb17f4040c [ 145.442588][ T5742] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 145.511213][ T6458] loop4: detected capacity change from 0 to 32768 [ 145.529257][ T6458] BTRFS info: device /dev/loop4 (7:4) using temp-fsid 2599971b-a580-4d06-a797-321c8c2cffae [ 145.529324][ T6458] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.47 (6458) [ 145.580670][ T6458] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 145.580696][ T6458] BTRFS info (device loop4): using crc32c checksum algorithm [ 145.762013][ T6458] BTRFS warning (device loop4): couldn't read tree root [ 145.762036][ T6458] BTRFS warning (device loop4): try to load backup roots slot 1 [ 145.763839][ T6458] BTRFS warning (device loop4): couldn't read tree root [ 145.763860][ T6458] BTRFS warning (device loop4): try to load backup roots slot 2 [ 145.764171][ T1533] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 145.773362][ T6458] BTRFS warning (device loop4): couldn't read tree root [ 145.773414][ T6458] BTRFS warning (device loop4): try to load backup roots slot 3 [ 145.962255][ T6458] BTRFS info (device loop4): checking UUID tree [ 145.962781][ T6458] BTRFS info (device loop4): setting nodatasum [ 145.962800][ T6458] BTRFS info (device loop4): enabling ssd optimizations [ 145.962816][ T6458] BTRFS info (device loop4): turning on flush-on-commit [ 145.962831][ T6458] BTRFS info (device loop4): turning on async discard [ 145.962845][ T6458] BTRFS info (device loop4): enabling free space tree [ 145.962861][ T6458] BTRFS info (device loop4): trying to use backup root at mount time [ 145.962877][ T6458] BTRFS info (device loop4): max_inline set to 0 [ 146.368617][ T5759] BTRFS info (device loop4): last unmount of filesystem 2599971b-a580-4d06-a797-321c8c2cffae [ 147.058424][ T6504] loop3: detected capacity change from 0 to 32768 [ 147.078846][ T6504] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.50 (6504) [ 147.156396][ T6510] loop0: detected capacity change from 0 to 32768 [ 147.173060][ T6504] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 147.173129][ T6504] BTRFS info (device loop3): using crc32c checksum algorithm [ 147.224763][ T6510] BTRFS info: device /dev/loop0 (7:0) using temp-fsid 6c0c8a56-f581-48dc-9d23-318412fa824b [ 147.224816][ T6510] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.49 (6510) [ 147.292801][ T6510] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 147.292827][ T6510] BTRFS info (device loop0): using crc32c checksum algorithm [ 147.343647][ T213] btrfs_validate_extent_buffer: 2 callbacks suppressed [ 147.343663][ T213] BTRFS warning (device loop3): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 147.343725][ T6504] BTRFS warning (device loop3): couldn't read tree root [ 147.343741][ T6504] BTRFS warning (device loop3): try to load backup roots slot 1 [ 147.389730][ T67] BTRFS warning (device loop3): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 147.414867][ T6508] loop1: detected capacity change from 0 to 32768 [ 147.423482][ T6504] BTRFS warning (device loop3): couldn't read tree root [ 147.423498][ T6504] BTRFS warning (device loop3): try to load backup roots slot 2 [ 147.425738][ T43] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 147.453223][ T6504] BTRFS warning (device loop3): couldn't read tree root [ 147.453243][ T6504] BTRFS warning (device loop3): try to load backup roots slot 3 [ 147.478384][ T6508] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 8c1f194c-097b-42dc-9393-9415da91f23f [ 147.478436][ T6508] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.52 (6508) [ 147.557037][ T5662] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 147.557177][ T6510] BTRFS warning (device loop0): couldn't read tree root [ 147.557195][ T6510] BTRFS warning (device loop0): try to load backup roots slot 1 [ 147.557596][ T5662] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 147.560767][ T6510] BTRFS warning (device loop0): couldn't read tree root [ 147.560788][ T6510] BTRFS warning (device loop0): try to load backup roots slot 2 [ 147.568245][ T43] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 147.600825][ T6508] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 147.600849][ T6508] BTRFS info (device loop1): using crc32c checksum algorithm [ 147.634724][ T6510] BTRFS warning (device loop0): couldn't read tree root [ 147.634768][ T6510] BTRFS warning (device loop0): try to load backup roots slot 3 [ 147.743283][ T6523] loop2: detected capacity change from 0 to 32768 [ 147.759517][ T6523] BTRFS info: device /dev/loop2 (7:2) using temp-fsid f73cec0d-6752-4207-83e1-aed82af5f629 [ 147.759574][ T6523] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.51 (6523) [ 147.809980][ T6504] BTRFS info (device loop3): checking UUID tree [ 147.817958][ T6504] BTRFS info (device loop3): setting nodatasum [ 147.817977][ T6504] BTRFS info (device loop3): enabling ssd optimizations [ 147.817999][ T6504] BTRFS info (device loop3): turning on flush-on-commit [ 147.818013][ T6504] BTRFS info (device loop3): turning on async discard [ 147.818027][ T6504] BTRFS info (device loop3): enabling free space tree [ 147.818041][ T6504] BTRFS info (device loop3): trying to use backup root at mount time [ 147.818056][ T6504] BTRFS info (device loop3): max_inline set to 0 [ 147.899758][ T6510] BTRFS info (device loop0): checking UUID tree [ 147.901995][ T6510] BTRFS info (device loop0): setting nodatasum [ 147.902014][ T6510] BTRFS info (device loop0): enabling ssd optimizations [ 147.902028][ T6510] BTRFS info (device loop0): turning on flush-on-commit [ 147.902043][ T6510] BTRFS info (device loop0): turning on async discard [ 147.902056][ T6510] BTRFS info (device loop0): enabling free space tree [ 147.902070][ T6510] BTRFS info (device loop0): trying to use backup root at mount time [ 147.902085][ T6510] BTRFS info (device loop0): max_inline set to 0 [ 147.991173][ T6523] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 147.991198][ T6523] BTRFS info (device loop2): using crc32c checksum algorithm [ 148.021626][ T67] BTRFS warning (device loop1): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 148.039334][ T6508] BTRFS warning (device loop1): couldn't read tree root [ 148.039359][ T6508] BTRFS warning (device loop1): try to load backup roots slot 1 [ 148.039726][ T3108] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 148.039901][ T6508] BTRFS warning (device loop1): couldn't read tree root [ 148.039916][ T6508] BTRFS warning (device loop1): try to load backup roots slot 2 [ 148.040198][ T3108] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 148.040343][ T6508] BTRFS warning (device loop1): couldn't read tree root [ 148.040359][ T6508] BTRFS warning (device loop1): try to load backup roots slot 3 [ 148.264369][ T6508] BTRFS info (device loop1): checking UUID tree [ 148.267833][ T6508] BTRFS info (device loop1): setting nodatasum [ 148.267852][ T6508] BTRFS info (device loop1): enabling ssd optimizations [ 148.267872][ T6508] BTRFS info (device loop1): turning on flush-on-commit [ 148.267887][ T6508] BTRFS info (device loop1): turning on async discard [ 148.267901][ T6508] BTRFS info (device loop1): enabling free space tree [ 148.267915][ T6508] BTRFS info (device loop1): trying to use backup root at mount time [ 148.267930][ T6508] BTRFS info (device loop1): max_inline set to 0 [ 148.362467][ T5662] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 148.362795][ T6523] BTRFS warning (device loop2): couldn't read tree root [ 148.362814][ T6523] BTRFS warning (device loop2): try to load backup roots slot 1 [ 148.363107][ T5662] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 148.364870][ T6523] BTRFS warning (device loop2): couldn't read tree root [ 148.364914][ T6523] BTRFS warning (device loop2): try to load backup roots slot 2 [ 148.388133][ T3108] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 148.388562][ T6523] BTRFS warning (device loop2): couldn't read tree root [ 148.388622][ T6523] BTRFS warning (device loop2): try to load backup roots slot 3 [ 148.452433][ T5745] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 148.696878][ T6523] BTRFS info (device loop2): checking UUID tree [ 148.698517][ T6523] BTRFS info (device loop2): setting nodatasum [ 148.698538][ T6523] BTRFS info (device loop2): enabling ssd optimizations [ 148.698555][ T6523] BTRFS info (device loop2): turning on flush-on-commit [ 148.698571][ T6523] BTRFS info (device loop2): turning on async discard [ 148.698587][ T6523] BTRFS info (device loop2): enabling free space tree [ 148.698603][ T6523] BTRFS info (device loop2): trying to use backup root at mount time [ 148.698620][ T6523] BTRFS info (device loop2): max_inline set to 0 [ 148.885485][ T5738] BTRFS info (device loop0): last unmount of filesystem 6c0c8a56-f581-48dc-9d23-318412fa824b [ 148.954186][ T5741] BTRFS info (device loop1): last unmount of filesystem 8c1f194c-097b-42dc-9393-9415da91f23f [ 149.234638][ T6530] loop4: detected capacity change from 0 to 32768 [ 149.239306][ T6530] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.53 (6530) [ 149.334583][ T6530] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 149.334611][ T6530] BTRFS info (device loop4): using crc32c checksum algorithm [ 149.580378][ T67] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 149.580859][ T6530] BTRFS warning (device loop4): couldn't read tree root [ 149.580881][ T6530] BTRFS warning (device loop4): try to load backup roots slot 1 [ 149.581239][ T67] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 149.581387][ T6530] BTRFS warning (device loop4): couldn't read tree root [ 149.581404][ T6530] BTRFS warning (device loop4): try to load backup roots slot 2 [ 149.581726][ T67] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 149.634529][ T6530] BTRFS warning (device loop4): couldn't read tree root [ 149.634548][ T6530] BTRFS warning (device loop4): try to load backup roots slot 3 2026/07/30 13:15:26 executed programs: 50 [ 149.981837][ T5742] BTRFS info (device loop2): last unmount of filesystem f73cec0d-6752-4207-83e1-aed82af5f629 [ 150.155849][ T6530] BTRFS error (device loop4): open_ctree failed: -4 [ 150.270220][ T6593] loop3: detected capacity change from 0 to 32768 [ 150.326253][ T6593] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.54 (6593) [ 150.430040][ T6593] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 150.430068][ T6593] BTRFS info (device loop3): using crc32c checksum algorithm [ 150.746435][ T6593] BTRFS warning (device loop3): couldn't read tree root [ 150.746460][ T6593] BTRFS warning (device loop3): try to load backup roots slot 1 [ 150.755040][ T6593] BTRFS warning (device loop3): couldn't read tree root [ 150.755060][ T6593] BTRFS warning (device loop3): try to load backup roots slot 2 [ 150.797064][ T213] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 150.797200][ T6593] BTRFS warning (device loop3): couldn't read tree root [ 150.797217][ T6593] BTRFS warning (device loop3): try to load backup roots slot 3 [ 150.948121][ T6593] BTRFS info (device loop3): checking UUID tree [ 150.962313][ T6593] BTRFS info (device loop3): setting nodatasum [ 150.962332][ T6593] BTRFS info (device loop3): enabling ssd optimizations [ 150.962348][ T6593] BTRFS info (device loop3): turning on flush-on-commit [ 150.962363][ T6593] BTRFS info (device loop3): turning on async discard [ 150.962378][ T6593] BTRFS info (device loop3): enabling free space tree [ 150.962393][ T6593] BTRFS info (device loop3): trying to use backup root at mount time [ 150.962409][ T6593] BTRFS info (device loop3): max_inline set to 0 [ 151.545851][ T6607] loop0: detected capacity change from 0 to 32768 [ 151.607667][ T6607] BTRFS info: device /dev/loop0 (7:0) using temp-fsid 52383dd3-58d5-4d56-961e-8d6c6cbca4d3 [ 151.607725][ T6607] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.55 (6607) [ 151.677222][ T6607] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 151.677253][ T6607] BTRFS info (device loop0): using crc32c checksum algorithm [ 151.748391][ T6617] loop2: detected capacity change from 0 to 32768 [ 151.795119][ T6617] BTRFS info: device /dev/loop2 (7:2) using temp-fsid 7b3f8538-5df2-4942-af8e-fb6010d84df0 [ 151.795173][ T6617] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.57 (6617) [ 151.872868][ T6617] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 151.872894][ T6617] BTRFS info (device loop2): using crc32c checksum algorithm [ 151.931766][ T6607] BTRFS warning (device loop0): couldn't read tree root [ 151.931787][ T6607] BTRFS warning (device loop0): try to load backup roots slot 1 [ 151.934154][ T6607] BTRFS warning (device loop0): couldn't read tree root [ 151.934173][ T6607] BTRFS warning (device loop0): try to load backup roots slot 2 [ 151.943114][ T44] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 151.949634][ T6607] BTRFS warning (device loop0): couldn't read tree root [ 151.949653][ T6607] BTRFS warning (device loop0): try to load backup roots slot 3 [ 152.107984][ T6608] loop1: detected capacity change from 0 to 32768 [ 152.126856][ T6607] BTRFS info (device loop0): checking UUID tree [ 152.131999][ T6607] BTRFS info (device loop0): setting nodatasum [ 152.132017][ T6607] BTRFS info (device loop0): enabling ssd optimizations [ 152.132032][ T6607] BTRFS info (device loop0): turning on flush-on-commit [ 152.132046][ T6607] BTRFS info (device loop0): turning on async discard [ 152.132060][ T6607] BTRFS info (device loop0): enabling free space tree [ 152.132074][ T6607] BTRFS info (device loop0): trying to use backup root at mount time [ 152.132089][ T6607] BTRFS info (device loop0): max_inline set to 0 [ 152.329152][ T6608] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 235167f7-3fbe-4a74-ac17-42ce4caeb0e8 [ 152.329200][ T6608] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.56 (6608) [ 152.364940][ T6615] loop4: detected capacity change from 0 to 32768 [ 152.372104][ T213] btrfs_validate_extent_buffer: 4 callbacks suppressed [ 152.372121][ T213] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 152.373217][ T6617] BTRFS warning (device loop2): couldn't read tree root [ 152.373236][ T6617] BTRFS warning (device loop2): try to load backup roots slot 1 [ 152.399185][ T3108] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 152.400299][ T6617] BTRFS warning (device loop2): couldn't read tree root [ 152.400342][ T6617] BTRFS warning (device loop2): try to load backup roots slot 2 [ 152.401599][ T213] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 152.401946][ T6617] BTRFS warning (device loop2): couldn't read tree root [ 152.401983][ T6617] BTRFS warning (device loop2): try to load backup roots slot 3 [ 152.496810][ T6615] BTRFS info: device /dev/loop4 (7:4) using temp-fsid f6c9ca7d-9a37-45eb-b596-8dbc7e0ba858 [ 152.496876][ T6615] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.58 (6615) [ 152.512061][ T6608] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 152.512128][ T6608] BTRFS info (device loop1): using crc32c checksum algorithm [ 152.671264][ T6615] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 152.671290][ T6615] BTRFS info (device loop4): using crc32c checksum algorithm [ 152.703737][ T6617] BTRFS info (device loop2): checking UUID tree [ 152.705268][ T6617] BTRFS info (device loop2): setting nodatasum [ 152.705312][ T6617] BTRFS info (device loop2): enabling ssd optimizations [ 152.705355][ T6617] BTRFS info (device loop2): turning on flush-on-commit [ 152.705385][ T6617] BTRFS info (device loop2): turning on async discard [ 152.705428][ T6617] BTRFS info (device loop2): enabling free space tree [ 152.705465][ T6617] BTRFS info (device loop2): trying to use backup root at mount time [ 152.705502][ T6617] BTRFS info (device loop2): max_inline set to 0 [ 152.954545][ T3108] BTRFS warning (device loop1): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 152.955073][ T6608] BTRFS warning (device loop1): couldn't read tree root [ 152.955093][ T6608] BTRFS warning (device loop1): try to load backup roots slot 1 [ 152.955382][ T1143] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 152.955694][ T6608] BTRFS warning (device loop1): couldn't read tree root [ 152.955711][ T6608] BTRFS warning (device loop1): try to load backup roots slot 2 [ 152.960010][ T1143] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 152.964141][ T6608] BTRFS warning (device loop1): couldn't read tree root [ 152.964160][ T6608] BTRFS warning (device loop1): try to load backup roots slot 3 [ 153.211628][ T67] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 153.211942][ T6615] BTRFS warning (device loop4): couldn't read tree root [ 153.211963][ T6615] BTRFS warning (device loop4): try to load backup roots slot 1 [ 153.212306][ T67] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 153.214855][ T6615] BTRFS warning (device loop4): couldn't read tree root [ 153.214872][ T6615] BTRFS warning (device loop4): try to load backup roots slot 2 [ 153.218142][ T1533] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 153.220773][ T6615] BTRFS warning (device loop4): couldn't read tree root [ 153.220817][ T6615] BTRFS warning (device loop4): try to load backup roots slot 3 [ 153.353222][ T5745] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 153.516545][ T6615] BTRFS info (device loop4): checking UUID tree [ 153.516608][ T6615] BTRFS error (device loop4): failed to check the UUID tree: -4 [ 153.596020][ T6608] BTRFS error (device loop1): open_ctree failed: -4 [ 153.660854][ T6615] BTRFS error (device loop4): open_ctree failed: -4 [ 153.766673][ T5738] BTRFS info (device loop0): last unmount of filesystem 52383dd3-58d5-4d56-961e-8d6c6cbca4d3 [ 154.209291][ T5742] BTRFS info (device loop2): last unmount of filesystem 7b3f8538-5df2-4942-af8e-fb6010d84df0 [ 155.494081][ T6692] loop3: detected capacity change from 0 to 32768 [ 155.531899][ T6692] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.59 (6692) [ 155.650594][ T6692] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 155.650719][ T6692] BTRFS info (device loop3): using crc32c checksum algorithm [ 155.712072][ T6699] loop4: detected capacity change from 0 to 32768 [ 155.724848][ T6699] BTRFS info: device /dev/loop4 (7:4) using temp-fsid 409edf27-783a-4092-b050-1fb90e0684db [ 155.724910][ T6699] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.63 (6699) [ 155.808518][ T12] BTRFS warning (device loop3): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 155.808637][ T6692] BTRFS warning (device loop3): couldn't read tree root [ 155.808654][ T6692] BTRFS warning (device loop3): try to load backup roots slot 1 [ 155.812076][ T12] BTRFS warning (device loop3): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 155.812181][ T6692] BTRFS warning (device loop3): couldn't read tree root [ 155.812197][ T6692] BTRFS warning (device loop3): try to load backup roots slot 2 [ 155.812501][ T12] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 155.812589][ T6692] BTRFS warning (device loop3): couldn't read tree root [ 155.812617][ T6692] BTRFS warning (device loop3): try to load backup roots slot 3 [ 155.866665][ T6695] loop1: detected capacity change from 0 to 32768 [ 155.892857][ T6695] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 9227bd00-adf1-411e-9eec-62d54d0ffcf3 [ 155.892984][ T6695] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.61 (6695) [ 155.938684][ T6699] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 155.938709][ T6699] BTRFS info (device loop4): using crc32c checksum algorithm [ 155.943211][ T6695] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 155.943235][ T6695] BTRFS info (device loop1): using crc32c checksum algorithm [ 156.017202][ T6692] BTRFS info (device loop3): checking UUID tree [ 156.022102][ T6692] BTRFS info (device loop3): setting nodatasum [ 156.022123][ T6692] BTRFS info (device loop3): enabling ssd optimizations [ 156.022140][ T6692] BTRFS info (device loop3): turning on flush-on-commit [ 156.022157][ T6692] BTRFS info (device loop3): turning on async discard [ 156.022173][ T6692] BTRFS info (device loop3): enabling free space tree [ 156.022190][ T6692] BTRFS info (device loop3): trying to use backup root at mount time [ 156.022208][ T6692] BTRFS info (device loop3): max_inline set to 0 [ 156.281692][ T1533] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 156.307781][ T1533] BTRFS warning (device loop1): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 156.307900][ T6695] BTRFS warning (device loop1): couldn't read tree root [ 156.307916][ T6695] BTRFS warning (device loop1): try to load backup roots slot 1 [ 156.308344][ T6699] BTRFS warning (device loop4): couldn't read tree root [ 156.308358][ T6699] BTRFS warning (device loop4): try to load backup roots slot 1 [ 156.308888][ T6695] BTRFS warning (device loop1): couldn't read tree root [ 156.308907][ T6695] BTRFS warning (device loop1): try to load backup roots slot 2 [ 156.309201][ T5662] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 156.313277][ T6695] BTRFS warning (device loop1): couldn't read tree root [ 156.313309][ T6695] BTRFS warning (device loop1): try to load backup roots slot 3 [ 156.313526][ T6699] BTRFS warning (device loop4): couldn't read tree root [ 156.313542][ T6699] BTRFS warning (device loop4): try to load backup roots slot 2 [ 156.322059][ T5662] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 156.334929][ T6699] BTRFS warning (device loop4): couldn't read tree root [ 156.334948][ T6699] BTRFS warning (device loop4): try to load backup roots slot 3 [ 156.446105][ T6698] loop0: detected capacity change from 0 to 32768 [ 156.486166][ T6698] BTRFS info: device /dev/loop0 (7:0) using temp-fsid 36b4d415-ba38-48ec-99f1-1d31d24555de [ 156.486214][ T6698] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.60 (6698) [ 156.552331][ T6698] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 156.552360][ T6698] BTRFS info (device loop0): using crc32c checksum algorithm [ 156.659912][ T6695] BTRFS info (device loop1): checking UUID tree [ 156.664118][ T6695] BTRFS info (device loop1): setting nodatasum [ 156.664133][ T6695] BTRFS info (device loop1): enabling ssd optimizations [ 156.664144][ T6695] BTRFS info (device loop1): turning on flush-on-commit [ 156.664155][ T6695] BTRFS info (device loop1): turning on async discard [ 156.664165][ T6695] BTRFS info (device loop1): enabling free space tree [ 156.664177][ T6695] BTRFS info (device loop1): trying to use backup root at mount time [ 156.664188][ T6695] BTRFS info (device loop1): max_inline set to 0 [ 156.710325][ T6699] BTRFS info (device loop4): checking UUID tree [ 156.726960][ T6702] loop2: detected capacity change from 0 to 32768 [ 156.773823][ T6699] BTRFS info (device loop4): setting nodatasum [ 156.773842][ T6699] BTRFS info (device loop4): enabling ssd optimizations [ 156.773856][ T6699] BTRFS info (device loop4): turning on flush-on-commit [ 156.773870][ T6699] BTRFS info (device loop4): turning on async discard [ 156.773884][ T6699] BTRFS info (device loop4): enabling free space tree [ 156.773899][ T6699] BTRFS info (device loop4): trying to use backup root at mount time [ 156.773913][ T6699] BTRFS info (device loop4): max_inline set to 0 [ 156.843160][ T6702] BTRFS info: device /dev/loop2 (7:2) using temp-fsid 33e7f8d6-c348-43c1-8164-9d67c788f8af [ 156.843216][ T6702] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.62 (6702) [ 156.905363][ T6698] BTRFS warning (device loop0): couldn't read tree root [ 156.905383][ T6698] BTRFS warning (device loop0): try to load backup roots slot 1 [ 156.909408][ T6698] BTRFS warning (device loop0): couldn't read tree root [ 156.909429][ T6698] BTRFS warning (device loop0): try to load backup roots slot 2 [ 156.909760][ T68] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 156.909863][ T6698] BTRFS warning (device loop0): couldn't read tree root [ 156.909881][ T6698] BTRFS warning (device loop0): try to load backup roots slot 3 [ 157.005943][ T6698] BTRFS info (device loop0): checking UUID tree [ 157.011087][ T6698] BTRFS info (device loop0): setting nodatasum [ 157.011105][ T6698] BTRFS info (device loop0): enabling ssd optimizations [ 157.011119][ T6698] BTRFS info (device loop0): turning on flush-on-commit [ 157.011133][ T6698] BTRFS info (device loop0): turning on async discard [ 157.011147][ T6698] BTRFS info (device loop0): enabling free space tree [ 157.011161][ T6698] BTRFS info (device loop0): trying to use backup root at mount time [ 157.011176][ T6698] BTRFS info (device loop0): max_inline set to 0 [ 157.090099][ T6702] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 157.090127][ T6702] BTRFS info (device loop2): using crc32c checksum algorithm [ 157.404994][ T3108] btrfs_validate_extent_buffer: 4 callbacks suppressed [ 157.405010][ T3108] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 157.409248][ T6702] BTRFS warning (device loop2): couldn't read tree root [ 157.409264][ T6702] BTRFS warning (device loop2): try to load backup roots slot 1 [ 157.409640][ T1533] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 157.412534][ T6702] BTRFS warning (device loop2): couldn't read tree root [ 157.412554][ T6702] BTRFS warning (device loop2): try to load backup roots slot 2 [ 157.414100][ T1533] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 157.451326][ T6702] BTRFS warning (device loop2): couldn't read tree root [ 157.451373][ T6702] BTRFS warning (device loop2): try to load backup roots slot 3 [ 157.678957][ T6702] BTRFS info (device loop2): checking UUID tree [ 157.679022][ T6702] BTRFS error (device loop2): failed to check the UUID tree: -4 2026/07/30 13:15:34 executed programs: 57 [ 157.788690][ T6702] BTRFS error (device loop2): open_ctree failed: -4 [ 158.016917][ T5745] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 158.281767][ T5759] BTRFS info (device loop4): last unmount of filesystem 409edf27-783a-4092-b050-1fb90e0684db [ 158.519026][ T5738] BTRFS info (device loop0): last unmount of filesystem 36b4d415-ba38-48ec-99f1-1d31d24555de [ 158.706120][ T5741] BTRFS info (device loop1): last unmount of filesystem 9227bd00-adf1-411e-9eec-62d54d0ffcf3 [ 160.063295][ T6781] loop2: detected capacity change from 0 to 32768 [ 160.088227][ T6781] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.65 (6781) [ 160.197015][ T6781] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 160.197045][ T6781] BTRFS info (device loop2): using crc32c checksum algorithm [ 160.350587][ T43] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 160.350855][ T6781] BTRFS warning (device loop2): couldn't read tree root [ 160.350874][ T6781] BTRFS warning (device loop2): try to load backup roots slot 1 [ 160.357749][ T44] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 160.359142][ T6781] BTRFS warning (device loop2): couldn't read tree root [ 160.359179][ T6781] BTRFS warning (device loop2): try to load backup roots slot 2 [ 160.360288][ T1143] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 160.360612][ T6781] BTRFS warning (device loop2): couldn't read tree root [ 160.360665][ T6781] BTRFS warning (device loop2): try to load backup roots slot 3 [ 160.363627][ T6785] loop3: detected capacity change from 0 to 32768 [ 160.383311][ T6788] loop4: detected capacity change from 0 to 32768 [ 160.473503][ T6785] BTRFS info: device /dev/loop3 (7:3) using temp-fsid 95af576b-474b-4840-a181-9c68d91fda52 [ 160.473557][ T6785] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.64 (6785) [ 160.474829][ T6788] BTRFS info: device /dev/loop4 (7:4) using temp-fsid 4d8b834f-3e0e-4f84-a91d-7c31c4a8320e [ 160.474879][ T6788] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.66 (6788) [ 160.557641][ T6785] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 160.557673][ T6785] BTRFS info (device loop3): using crc32c checksum algorithm [ 160.625521][ T6788] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 160.625545][ T6788] BTRFS info (device loop4): using crc32c checksum algorithm [ 160.677137][ T6781] BTRFS info (device loop2): checking UUID tree [ 160.677640][ T6781] BTRFS info (device loop2): setting nodatasum [ 160.677665][ T6781] BTRFS info (device loop2): enabling ssd optimizations [ 160.677680][ T6781] BTRFS info (device loop2): turning on flush-on-commit [ 160.677694][ T6781] BTRFS info (device loop2): turning on async discard [ 160.677708][ T6781] BTRFS info (device loop2): enabling free space tree [ 160.677723][ T6781] BTRFS info (device loop2): trying to use backup root at mount time [ 160.677738][ T6781] BTRFS info (device loop2): max_inline set to 0 [ 160.803610][ T6793] loop1: detected capacity change from 0 to 32768 [ 160.830842][ T6793] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 94394a1b-6985-4387-95a1-1e26916e967e [ 160.830888][ T6793] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.68 (6793) [ 160.880860][ T6793] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 160.880885][ T6793] BTRFS info (device loop1): using crc32c checksum algorithm [ 160.908802][ T6791] loop0: detected capacity change from 0 to 32768 [ 160.929028][ T6791] BTRFS info: device /dev/loop0 (7:0) using temp-fsid 0a10fad6-da73-4ab1-9090-51c9999e828e [ 160.929079][ T6791] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.67 (6791) [ 161.048923][ T6791] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 161.048949][ T6791] BTRFS info (device loop0): using crc32c checksum algorithm [ 161.068080][ T1533] BTRFS warning (device loop3): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 161.069002][ T6785] BTRFS warning (device loop3): couldn't read tree root [ 161.069023][ T6785] BTRFS warning (device loop3): try to load backup roots slot 1 [ 161.119164][ T12] BTRFS warning (device loop3): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 161.168389][ T6785] BTRFS warning (device loop3): couldn't read tree root [ 161.168406][ T6785] BTRFS warning (device loop3): try to load backup roots slot 2 [ 161.171058][ T3108] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 161.171134][ T6788] BTRFS warning (device loop4): couldn't read tree root [ 161.171150][ T6788] BTRFS warning (device loop4): try to load backup roots slot 1 [ 161.171386][ T1143] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 161.171516][ T6788] BTRFS warning (device loop4): couldn't read tree root [ 161.171532][ T6788] BTRFS warning (device loop4): try to load backup roots slot 2 [ 161.171810][ T1143] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 161.171969][ T6788] BTRFS warning (device loop4): couldn't read tree root [ 161.171986][ T6788] BTRFS warning (device loop4): try to load backup roots slot 3 [ 161.172226][ T1143] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 161.174238][ T6785] BTRFS warning (device loop3): couldn't read tree root [ 161.174255][ T6785] BTRFS warning (device loop3): try to load backup roots slot 3 [ 161.427902][ T6785] BTRFS info (device loop3): checking UUID tree [ 161.432294][ T6785] BTRFS info (device loop3): setting nodatasum [ 161.432314][ T6785] BTRFS info (device loop3): enabling ssd optimizations [ 161.432329][ T6785] BTRFS info (device loop3): turning on flush-on-commit [ 161.432344][ T6785] BTRFS info (device loop3): turning on async discard [ 161.432358][ T6785] BTRFS info (device loop3): enabling free space tree [ 161.432372][ T6785] BTRFS info (device loop3): trying to use backup root at mount time [ 161.432387][ T6785] BTRFS info (device loop3): max_inline set to 0 [ 161.544885][ T6788] BTRFS info (device loop4): checking UUID tree [ 161.545492][ T6788] BTRFS info (device loop4): setting nodatasum [ 161.545509][ T6788] BTRFS info (device loop4): enabling ssd optimizations [ 161.545523][ T6788] BTRFS info (device loop4): turning on flush-on-commit [ 161.545538][ T6788] BTRFS info (device loop4): turning on async discard [ 161.545552][ T6788] BTRFS info (device loop4): enabling free space tree [ 161.545563][ T6788] BTRFS info (device loop4): trying to use backup root at mount time [ 161.545576][ T6788] BTRFS info (device loop4): max_inline set to 0 [ 161.696099][ T1533] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 161.704701][ T6791] BTRFS warning (device loop0): couldn't read tree root [ 161.704737][ T6791] BTRFS warning (device loop0): try to load backup roots slot 1 [ 161.722972][ T43] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 161.723812][ T6791] BTRFS warning (device loop0): couldn't read tree root [ 161.723853][ T6791] BTRFS warning (device loop0): try to load backup roots slot 2 [ 161.728088][ T213] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 161.739321][ T6791] BTRFS warning (device loop0): couldn't read tree root [ 161.739376][ T6791] BTRFS warning (device loop0): try to load backup roots slot 3 [ 161.804301][ T6793] BTRFS warning (device loop1): couldn't read tree root [ 161.804319][ T6793] BTRFS warning (device loop1): try to load backup roots slot 1 [ 161.823633][ T6793] BTRFS warning (device loop1): couldn't read tree root [ 161.823650][ T6793] BTRFS warning (device loop1): try to load backup roots slot 2 [ 161.829826][ T44] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 161.830695][ T6793] BTRFS warning (device loop1): couldn't read tree root [ 161.830725][ T6793] BTRFS warning (device loop1): try to load backup roots slot 3 [ 161.978086][ T6791] BTRFS info (device loop0): checking UUID tree [ 161.979327][ T6791] BTRFS info (device loop0): setting nodatasum [ 161.979343][ T6791] BTRFS info (device loop0): enabling ssd optimizations [ 161.979354][ T6791] BTRFS info (device loop0): turning on flush-on-commit [ 161.979365][ T6791] BTRFS info (device loop0): turning on async discard [ 161.979375][ T6791] BTRFS info (device loop0): enabling free space tree [ 161.979386][ T6791] BTRFS info (device loop0): trying to use backup root at mount time [ 161.979398][ T6791] BTRFS info (device loop0): max_inline set to 0 [ 162.123185][ T5745] BTRFS info (device loop3): last unmount of filesystem 95af576b-474b-4840-a181-9c68d91fda52 [ 162.309741][ T6793] BTRFS error (device loop1): open_ctree failed: -4 [ 162.576577][ T5759] BTRFS info (device loop4): last unmount of filesystem 4d8b834f-3e0e-4f84-a91d-7c31c4a8320e [ 162.651635][ T5742] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 162.712064][ T5738] BTRFS info (device loop0): last unmount of filesystem 0a10fad6-da73-4ab1-9090-51c9999e828e [ 164.060384][ T6870] loop1: detected capacity change from 0 to 32768 [ 164.162192][ T6870] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.73 (6870) [ 164.206581][ T6870] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 164.206621][ T6870] BTRFS info (device loop1): using crc32c checksum algorithm [ 164.416186][ T6869] loop3: detected capacity change from 0 to 32768 [ 164.450933][ T6869] BTRFS info: device /dev/loop3 (7:3) using temp-fsid a194f091-7157-4d73-bcac-b253b47f5fd4 [ 164.450999][ T6869] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.69 (6869) [ 164.517896][ T6875] loop0: detected capacity change from 0 to 32768 [ 164.535856][ T43] btrfs_validate_extent_buffer: 2 callbacks suppressed [ 164.535873][ T43] BTRFS warning (device loop1): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 164.537380][ T6870] BTRFS warning (device loop1): couldn't read tree root [ 164.537400][ T6870] BTRFS warning (device loop1): try to load backup roots slot 1 [ 164.542806][ T6875] BTRFS info: device /dev/loop0 (7:0) using temp-fsid ee8ac236-955f-494d-9361-70e5cb26c83c [ 164.542808][ T44] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 164.542857][ T6875] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.71 (6875) [ 164.542947][ T6870] BTRFS warning (device loop1): couldn't read tree root [ 164.542964][ T6870] BTRFS warning (device loop1): try to load backup roots slot 2 [ 164.544829][ T44] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 164.544959][ T6870] BTRFS warning (device loop1): couldn't read tree root [ 164.544976][ T6870] BTRFS warning (device loop1): try to load backup roots slot 3 [ 164.666911][ T6869] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 164.666932][ T6869] BTRFS info (device loop3): using crc32c checksum algorithm [ 164.709512][ T6875] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 164.709537][ T6875] BTRFS info (device loop0): using crc32c checksum algorithm [ 164.744885][ T6870] BTRFS info (device loop1): checking UUID tree [ 164.768429][ T6870] BTRFS info (device loop1): setting nodatasum [ 164.768447][ T6870] BTRFS info (device loop1): enabling ssd optimizations [ 164.768463][ T6870] BTRFS info (device loop1): turning on flush-on-commit [ 164.768477][ T6870] BTRFS info (device loop1): turning on async discard [ 164.768492][ T6870] BTRFS info (device loop1): enabling free space tree [ 164.768506][ T6870] BTRFS info (device loop1): trying to use backup root at mount time [ 164.768522][ T6870] BTRFS info (device loop1): max_inline set to 0 [ 164.941911][ T68] BTRFS warning (device loop3): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 164.996787][ T6869] BTRFS warning (device loop3): couldn't read tree root [ 164.996810][ T6869] BTRFS warning (device loop3): try to load backup roots slot 1 [ 165.000960][ T1143] BTRFS warning (device loop3): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 165.035724][ T6869] BTRFS warning (device loop3): couldn't read tree root [ 165.035748][ T6869] BTRFS warning (device loop3): try to load backup roots slot 2 [ 165.036083][ T5662] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 165.036241][ T6869] BTRFS warning (device loop3): couldn't read tree root [ 165.036258][ T6869] BTRFS warning (device loop3): try to load backup roots slot 3 [ 165.141064][ T6869] BTRFS info (device loop3): checking UUID tree [ 165.142263][ T6869] BTRFS info (device loop3): setting nodatasum [ 165.142285][ T6869] BTRFS info (device loop3): enabling ssd optimizations [ 165.142302][ T6869] BTRFS info (device loop3): turning on flush-on-commit [ 165.142319][ T6869] BTRFS info (device loop3): turning on async discard [ 165.142335][ T6869] BTRFS info (device loop3): enabling free space tree [ 165.142351][ T6869] BTRFS info (device loop3): trying to use backup root at mount time [ 165.142370][ T6869] BTRFS info (device loop3): max_inline set to 0 [ 165.281532][ T1440] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 165.290713][ T6875] BTRFS warning (device loop0): couldn't read tree root [ 165.290767][ T6875] BTRFS warning (device loop0): try to load backup roots slot 1 [ 165.291912][ T1533] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 165.295074][ T6875] BTRFS warning (device loop0): couldn't read tree root [ 165.295127][ T6875] BTRFS warning (device loop0): try to load backup roots slot 2 [ 165.345602][ T67] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 165.346203][ T6875] BTRFS warning (device loop0): couldn't read tree root [ 165.346223][ T6875] BTRFS warning (device loop0): try to load backup roots slot 3 [ 165.512803][ T6875] BTRFS info (device loop0): checking UUID tree [ 165.524707][ T6875] BTRFS info (device loop0): setting nodatasum [ 165.524727][ T6875] BTRFS info (device loop0): enabling ssd optimizations [ 165.524743][ T6875] BTRFS info (device loop0): turning on flush-on-commit [ 165.524759][ T6875] BTRFS info (device loop0): turning on async discard [ 165.524774][ T6875] BTRFS info (device loop0): enabling free space tree [ 165.524789][ T6875] BTRFS info (device loop0): trying to use backup root at mount time [ 165.524806][ T6875] BTRFS info (device loop0): max_inline set to 0 [ 165.816606][ T6879] loop2: detected capacity change from 0 to 32768 [ 165.846774][ T6879] BTRFS info: device /dev/loop2 (7:2) using temp-fsid 666c9e03-f411-4ebf-8dac-5a0abb573cf4 [ 165.846818][ T6879] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.72 (6879) [ 165.935409][ T6877] loop4: detected capacity change from 0 to 32768 [ 165.961829][ T6877] BTRFS info: device /dev/loop4 (7:4) using temp-fsid 2cc083d2-b404-4080-8f7e-6f3d858dd95c [ 165.961881][ T6877] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.70 (6877) [ 166.003248][ T6879] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 166.003274][ T6879] BTRFS info (device loop2): using crc32c checksum algorithm 2026/07/30 13:15:42 executed programs: 67 [ 166.046908][ T6877] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 166.046933][ T6877] BTRFS info (device loop4): using crc32c checksum algorithm [ 166.194696][ T6877] workqueue: Failed to create a rescuer kthread for wq "btrfs-rmw": -EINTR [ 166.196827][ T6879] workqueue: Failed to create a rescuer kthread for wq "btrfs-freespace-write": -EINTR [ 166.244613][ T6877] workqueue: Failed to create a rescuer kthread for wq "btrfs-endio-write": -EINTR [ 166.244855][ T6879] workqueue: Failed to create a rescuer kthread for wq "btrfs-delayed-meta": -EINTR [ 166.245332][ T6877] workqueue: Failed to create a rescuer kthread for wq "btrfs-freespace-write": -EINTR [ 166.245522][ T6879] workqueue: Failed to create a rescuer kthread for wq "btrfs-qgroup-rescan": -EINTR [ 166.246245][ T6877] workqueue: Failed to create a rescuer kthread for wq "btrfs-delayed-meta": -EINTR [ 166.247024][ T6877] workqueue: Failed to create a rescuer kthread for wq "btrfs-qgroup-rescan": -EINTR [ 166.338756][ T6879] BTRFS error (device loop2): open_ctree failed: -12 [ 166.414316][ T6877] BTRFS error (device loop4): open_ctree failed: -12 [ 166.441160][ T5741] BTRFS info (device loop1): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 166.543108][ T5745] BTRFS info (device loop3): last unmount of filesystem a194f091-7157-4d73-bcac-b253b47f5fd4 [ 167.194797][ T5738] BTRFS info (device loop0): last unmount of filesystem ee8ac236-955f-494d-9361-70e5cb26c83c [ 168.117332][ T6951] loop4: detected capacity change from 0 to 32768 [ 168.152896][ T6951] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.76 (6951) [ 168.176401][ T6951] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 168.176428][ T6951] BTRFS info (device loop4): using crc32c checksum algorithm [ 168.250402][ T1533] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 168.250557][ T6951] BTRFS warning (device loop4): couldn't read tree root [ 168.250800][ T6951] BTRFS warning (device loop4): try to load backup roots slot 1 [ 168.251149][ T1533] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 168.251286][ T6951] BTRFS warning (device loop4): couldn't read tree root [ 168.251302][ T6951] BTRFS warning (device loop4): try to load backup roots slot 2 [ 168.251591][ T1533] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 168.251720][ T6951] BTRFS warning (device loop4): couldn't read tree root [ 168.251736][ T6951] BTRFS warning (device loop4): try to load backup roots slot 3 [ 168.428441][ T6953] loop2: detected capacity change from 0 to 32768 [ 168.491467][ T6951] BTRFS info (device loop4): checking UUID tree [ 168.496513][ T6951] BTRFS info (device loop4): setting nodatasum [ 168.496550][ T6951] BTRFS info (device loop4): enabling ssd optimizations [ 168.496582][ T6951] BTRFS info (device loop4): turning on flush-on-commit [ 168.496625][ T6951] BTRFS info (device loop4): turning on async discard [ 168.496663][ T6951] BTRFS info (device loop4): enabling free space tree [ 168.496709][ T6951] BTRFS info (device loop4): trying to use backup root at mount time [ 168.496747][ T6951] BTRFS info (device loop4): max_inline set to 0 [ 168.498032][ T6953] BTRFS info: device /dev/loop2 (7:2) using temp-fsid 7faccf96-6667-4e97-afa9-95cd1b623967 [ 168.498201][ T6953] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.77 (6953) [ 168.660217][ T6953] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 168.660244][ T6953] BTRFS info (device loop2): using crc32c checksum algorithm [ 168.771472][ T6955] loop3: detected capacity change from 0 to 32768 [ 168.807240][ T6955] BTRFS info: device /dev/loop3 (7:3) using temp-fsid 816979a3-e0b1-46fa-bfd8-0eccfe941a4d [ 168.807278][ T6955] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.75 (6955) [ 168.864884][ T1533] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 168.864996][ T6953] BTRFS warning (device loop2): couldn't read tree root [ 168.865013][ T6953] BTRFS warning (device loop2): try to load backup roots slot 1 [ 168.865546][ T1533] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 168.865678][ T6953] BTRFS warning (device loop2): couldn't read tree root [ 168.865694][ T6953] BTRFS warning (device loop2): try to load backup roots slot 2 [ 168.866193][ T1533] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 168.866321][ T6953] BTRFS warning (device loop2): couldn't read tree root [ 168.866335][ T6953] BTRFS warning (device loop2): try to load backup roots slot 3 [ 168.976518][ T6955] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 168.976548][ T6955] BTRFS info (device loop3): using crc32c checksum algorithm [ 169.046574][ T6955] BTRFS warning (device loop3): couldn't read tree root [ 169.046595][ T6955] BTRFS warning (device loop3): try to load backup roots slot 1 [ 169.075846][ T6955] BTRFS warning (device loop3): couldn't read tree root [ 169.075864][ T6955] BTRFS warning (device loop3): try to load backup roots slot 2 [ 169.083679][ T44] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 169.083778][ T6955] BTRFS warning (device loop3): couldn't read tree root [ 169.083803][ T6955] BTRFS warning (device loop3): try to load backup roots slot 3 [ 169.118339][ T6953] BTRFS info (device loop2): checking UUID tree [ 169.140653][ T6953] BTRFS info (device loop2): setting nodatasum [ 169.140674][ T6953] BTRFS info (device loop2): enabling ssd optimizations [ 169.140691][ T6953] BTRFS info (device loop2): turning on flush-on-commit [ 169.140706][ T6953] BTRFS info (device loop2): turning on async discard [ 169.140722][ T6953] BTRFS info (device loop2): enabling free space tree [ 169.140738][ T6953] BTRFS info (device loop2): trying to use backup root at mount time [ 169.140754][ T6953] BTRFS info (device loop2): max_inline set to 0 [ 169.200911][ T6955] BTRFS info (device loop3): checking UUID tree [ 169.203311][ T6955] BTRFS info (device loop3): setting nodatasum [ 169.203330][ T6955] BTRFS info (device loop3): enabling ssd optimizations [ 169.203345][ T6955] BTRFS info (device loop3): turning on flush-on-commit [ 169.203359][ T6955] BTRFS info (device loop3): turning on async discard [ 169.203373][ T6955] BTRFS info (device loop3): enabling free space tree [ 169.203388][ T6955] BTRFS info (device loop3): trying to use backup root at mount time [ 169.203404][ T6955] BTRFS info (device loop3): max_inline set to 0 [ 169.406778][ T6957] loop1: detected capacity change from 0 to 32768 [ 169.459052][ T6957] BTRFS info: device /dev/loop1 (7:1) using temp-fsid b4c6cfb5-3643-4a16-8f78-2b159c06dd18 [ 169.459107][ T6957] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.74 (6957) [ 169.514300][ T6957] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 169.514326][ T6957] BTRFS info (device loop1): using crc32c checksum algorithm [ 169.815989][ T44] btrfs_validate_extent_buffer: 2 callbacks suppressed [ 169.816006][ T44] BTRFS warning (device loop1): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 169.820171][ T6957] BTRFS warning (device loop1): couldn't read tree root [ 169.820192][ T6957] BTRFS warning (device loop1): try to load backup roots slot 1 [ 169.820487][ T5662] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 169.875159][ T6957] BTRFS warning (device loop1): couldn't read tree root [ 169.875184][ T6957] BTRFS warning (device loop1): try to load backup roots slot 2 [ 169.875499][ T67] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 169.876253][ T6957] BTRFS warning (device loop1): couldn't read tree root [ 169.876267][ T6957] BTRFS warning (device loop1): try to load backup roots slot 3 [ 170.066605][ T6957] BTRFS info (device loop1): checking UUID tree [ 170.070351][ T6957] BTRFS info (device loop1): setting nodatasum [ 170.070371][ T6957] BTRFS info (device loop1): enabling ssd optimizations [ 170.070386][ T6957] BTRFS info (device loop1): turning on flush-on-commit [ 170.070401][ T6957] BTRFS info (device loop1): turning on async discard [ 170.070415][ T6957] BTRFS info (device loop1): enabling free space tree [ 170.070430][ T6957] BTRFS info (device loop1): trying to use backup root at mount time [ 170.070446][ T6957] BTRFS info (device loop1): max_inline set to 0 [ 170.160352][ T5745] BTRFS info (device loop3): last unmount of filesystem 816979a3-e0b1-46fa-bfd8-0eccfe941a4d [ 170.162759][ T5759] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 170.270270][ T5742] BTRFS info (device loop2): last unmount of filesystem 7faccf96-6667-4e97-afa9-95cd1b623967 [ 170.655838][ T6960] loop0: detected capacity change from 0 to 32768 [ 170.746427][ T6960] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.78 (6960) [ 170.787380][ T6960] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 170.787409][ T6960] BTRFS info (device loop0): using crc32c checksum algorithm [ 170.992948][ T3108] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 170.993323][ T6960] BTRFS warning (device loop0): couldn't read tree root [ 170.993345][ T6960] BTRFS warning (device loop0): try to load backup roots slot 1 [ 170.993674][ T3108] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 171.009360][ T6960] BTRFS warning (device loop0): couldn't read tree root [ 171.009382][ T6960] BTRFS warning (device loop0): try to load backup roots slot 2 [ 171.054672][ T67] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 171.069279][ T6960] BTRFS warning (device loop0): couldn't read tree root [ 171.069302][ T6960] BTRFS warning (device loop0): try to load backup roots slot 3 [ 171.246349][ T5741] BTRFS info (device loop1): last unmount of filesystem b4c6cfb5-3643-4a16-8f78-2b159c06dd18 [ 171.337068][ T6960] BTRFS error (device loop0): open_ctree failed: -4 2026/07/30 13:15:48 executed programs: 76 [ 172.454372][ T7023] loop2: detected capacity change from 0 to 32768 [ 172.461921][ T7032] loop3: detected capacity change from 0 to 32768 [ 172.499355][ T7032] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.81 (7032) [ 172.501436][ T7023] BTRFS info: device /dev/loop2 (7:2) using temp-fsid bdb94f2d-d590-4efb-8d9e-8275ec849a12 [ 172.501490][ T7023] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.80 (7023) [ 172.571428][ T7023] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 172.571450][ T7023] BTRFS info (device loop2): using crc32c checksum algorithm [ 172.595993][ T7032] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 172.596012][ T7032] BTRFS info (device loop3): using crc32c checksum algorithm [ 172.837996][ T67] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 172.838012][ T68] BTRFS warning (device loop3): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 172.838386][ T7032] BTRFS warning (device loop3): couldn't read tree root [ 172.838401][ T7023] BTRFS warning (device loop2): couldn't read tree root [ 172.838407][ T7032] BTRFS warning (device loop3): try to load backup roots slot 1 [ 172.838419][ T7023] BTRFS warning (device loop2): try to load backup roots slot 1 [ 172.842295][ T67] BTRFS warning (device loop3): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 172.843594][ T7032] BTRFS warning (device loop3): couldn't read tree root [ 172.843615][ T7032] BTRFS warning (device loop3): try to load backup roots slot 2 [ 172.843652][ T3108] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 172.843806][ T7023] BTRFS warning (device loop2): couldn't read tree root [ 172.843823][ T7023] BTRFS warning (device loop2): try to load backup roots slot 2 [ 172.844133][ T3108] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 172.844267][ T7023] BTRFS warning (device loop2): couldn't read tree root [ 172.844285][ T7023] BTRFS warning (device loop2): try to load backup roots slot 3 [ 172.968972][ T1440] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 172.993813][ T7032] BTRFS warning (device loop3): couldn't read tree root [ 172.993867][ T7032] BTRFS warning (device loop3): try to load backup roots slot 3 [ 173.039345][ T7042] loop0: detected capacity change from 0 to 32768 [ 173.063968][ T7023] BTRFS info (device loop2): checking UUID tree [ 173.071683][ T7023] BTRFS info (device loop2): setting nodatasum [ 173.071703][ T7023] BTRFS info (device loop2): enabling ssd optimizations [ 173.071719][ T7023] BTRFS info (device loop2): turning on flush-on-commit [ 173.071735][ T7023] BTRFS info (device loop2): turning on async discard [ 173.071760][ T7023] BTRFS info (device loop2): enabling free space tree [ 173.071775][ T7023] BTRFS info (device loop2): trying to use backup root at mount time [ 173.071792][ T7023] BTRFS info (device loop2): max_inline set to 0 [ 173.086001][ T7042] BTRFS info: device /dev/loop0 (7:0) using temp-fsid 3425eafe-4c3a-42ae-a612-b609e360c4f0 [ 173.086146][ T7042] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.83 (7042) [ 173.183397][ T7032] BTRFS info (device loop3): checking UUID tree [ 173.183574][ T7042] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 173.183597][ T7042] BTRFS info (device loop0): using crc32c checksum algorithm [ 173.203537][ T7032] BTRFS info (device loop3): setting nodatasum [ 173.203555][ T7032] BTRFS info (device loop3): enabling ssd optimizations [ 173.203570][ T7032] BTRFS info (device loop3): turning on flush-on-commit [ 173.203584][ T7032] BTRFS info (device loop3): turning on async discard [ 173.203598][ T7032] BTRFS info (device loop3): enabling free space tree [ 173.203612][ T7032] BTRFS info (device loop3): trying to use backup root at mount time [ 173.203627][ T7032] BTRFS info (device loop3): max_inline set to 0 [ 173.417638][ T67] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 173.417961][ T7042] BTRFS warning (device loop0): couldn't read tree root [ 173.417980][ T7042] BTRFS warning (device loop0): try to load backup roots slot 1 [ 173.419737][ T12] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 173.419886][ T7042] BTRFS warning (device loop0): couldn't read tree root [ 173.419904][ T7042] BTRFS warning (device loop0): try to load backup roots slot 2 [ 173.422427][ T5662] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 173.422536][ T7042] BTRFS warning (device loop0): couldn't read tree root [ 173.422554][ T7042] BTRFS warning (device loop0): try to load backup roots slot 3 [ 173.470921][ T7044] loop1: detected capacity change from 0 to 32768 [ 173.524743][ T7045] loop4: detected capacity change from 0 to 32768 [ 173.531179][ T7044] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 4b8efd1f-4ff6-4d2f-b304-8c6becd4860f [ 173.531224][ T7044] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.82 (7044) [ 173.539536][ T7045] BTRFS info: device /dev/loop4 (7:4) using temp-fsid fa421e31-f57b-4d15-bc16-0605ac0b8f27 [ 173.539658][ T7045] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.79 (7045) [ 173.623199][ T7044] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 173.623224][ T7044] BTRFS info (device loop1): using crc32c checksum algorithm [ 173.733313][ T7042] BTRFS info (device loop0): checking UUID tree [ 173.742181][ T7042] BTRFS info (device loop0): setting nodatasum [ 173.742201][ T7042] BTRFS info (device loop0): enabling ssd optimizations [ 173.742217][ T7042] BTRFS info (device loop0): turning on flush-on-commit [ 173.742232][ T7042] BTRFS info (device loop0): turning on async discard [ 173.742246][ T7042] BTRFS info (device loop0): enabling free space tree [ 173.742262][ T7042] BTRFS info (device loop0): trying to use backup root at mount time [ 173.742279][ T7042] BTRFS info (device loop0): max_inline set to 0 [ 173.756260][ T7045] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 173.756287][ T7045] BTRFS info (device loop4): using crc32c checksum algorithm [ 173.849659][ T7044] BTRFS warning (device loop1): couldn't read tree root [ 173.849681][ T7044] BTRFS warning (device loop1): try to load backup roots slot 1 [ 173.851412][ T7044] BTRFS warning (device loop1): couldn't read tree root [ 173.851432][ T7044] BTRFS warning (device loop1): try to load backup roots slot 2 [ 173.868888][ T12] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 173.868993][ T7044] BTRFS warning (device loop1): couldn't read tree root [ 173.869010][ T7044] BTRFS warning (device loop1): try to load backup roots slot 3 [ 173.940442][ T7044] BTRFS info (device loop1): checking UUID tree [ 173.942957][ T7044] BTRFS info (device loop1): setting nodatasum [ 173.942975][ T7044] BTRFS info (device loop1): enabling ssd optimizations [ 173.942991][ T7044] BTRFS info (device loop1): turning on flush-on-commit [ 173.943005][ T7044] BTRFS info (device loop1): turning on async discard [ 173.943019][ T7044] BTRFS info (device loop1): enabling free space tree [ 173.943034][ T7044] BTRFS info (device loop1): trying to use backup root at mount time [ 173.943049][ T7044] BTRFS info (device loop1): max_inline set to 0 [ 174.029335][ T5742] BTRFS info (device loop2): last unmount of filesystem bdb94f2d-d590-4efb-8d9e-8275ec849a12 [ 174.132604][ T7045] BTRFS warning (device loop4): couldn't read tree root [ 174.132626][ T7045] BTRFS warning (device loop4): try to load backup roots slot 1 [ 174.146511][ T7045] BTRFS warning (device loop4): couldn't read tree root [ 174.146532][ T7045] BTRFS warning (device loop4): try to load backup roots slot 2 [ 174.168541][ T1440] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 174.186310][ T7045] BTRFS warning (device loop4): couldn't read tree root [ 174.186365][ T7045] BTRFS warning (device loop4): try to load backup roots slot 3 [ 174.380142][ T7045] BTRFS info (device loop4): checking UUID tree [ 174.402659][ T7045] BTRFS info (device loop4): setting nodatasum [ 174.402678][ T7045] BTRFS info (device loop4): enabling ssd optimizations [ 174.402691][ T7045] BTRFS info (device loop4): turning on flush-on-commit [ 174.402705][ T7045] BTRFS info (device loop4): turning on async discard [ 174.402718][ T7045] BTRFS info (device loop4): enabling free space tree [ 174.402730][ T7045] BTRFS info (device loop4): trying to use backup root at mount time [ 174.402745][ T7045] BTRFS info (device loop4): max_inline set to 0 [ 174.451478][ T5745] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 174.657721][ T5738] BTRFS info (device loop0): last unmount of filesystem 3425eafe-4c3a-42ae-a612-b609e360c4f0 [ 175.478584][ T5741] BTRFS info (device loop1): last unmount of filesystem 4b8efd1f-4ff6-4d2f-b304-8c6becd4860f [ 175.675173][ T5759] BTRFS info (device loop4): last unmount of filesystem fa421e31-f57b-4d15-bc16-0605ac0b8f27 [ 176.190114][ T7125] loop2: detected capacity change from 0 to 32768 [ 176.270988][ T7125] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.84 (7125) [ 176.401097][ T7125] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 176.401124][ T7125] BTRFS info (device loop2): using crc32c checksum algorithm [ 176.571840][ T5662] btrfs_validate_extent_buffer: 4 callbacks suppressed [ 176.571861][ T5662] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 176.624624][ T7125] BTRFS warning (device loop2): couldn't read tree root [ 176.624648][ T7125] BTRFS warning (device loop2): try to load backup roots slot 1 [ 176.648729][ T3108] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 176.649841][ T7125] BTRFS warning (device loop2): couldn't read tree root [ 176.649885][ T7125] BTRFS warning (device loop2): try to load backup roots slot 2 [ 176.661132][ T12] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 176.668056][ T7125] BTRFS warning (device loop2): couldn't read tree root [ 176.668108][ T7125] BTRFS warning (device loop2): try to load backup roots slot 3 [ 176.842720][ T7125] BTRFS info (device loop2): checking UUID tree [ 176.849237][ T7125] BTRFS info (device loop2): setting nodatasum [ 176.849284][ T7125] BTRFS info (device loop2): enabling ssd optimizations [ 176.849300][ T7125] BTRFS info (device loop2): turning on flush-on-commit [ 176.849332][ T7125] BTRFS info (device loop2): turning on async discard [ 176.849362][ T7125] BTRFS info (device loop2): enabling free space tree [ 176.849406][ T7125] BTRFS info (device loop2): trying to use backup root at mount time [ 176.849443][ T7125] BTRFS info (device loop2): max_inline set to 0 [ 176.910076][ T7129] loop0: detected capacity change from 0 to 32768 [ 176.929903][ T7129] BTRFS info: device /dev/loop0 (7:0) using temp-fsid 90df4a3e-7a29-45e9-ab24-c4ba1264d930 [ 176.929957][ T7129] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.85 (7129) [ 177.013357][ T7129] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 177.013387][ T7129] BTRFS info (device loop0): using crc32c checksum algorithm [ 177.240417][ T44] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 177.246673][ T7129] BTRFS warning (device loop0): couldn't read tree root [ 177.246725][ T7129] BTRFS warning (device loop0): try to load backup roots slot 1 [ 177.247722][ T44] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 177.251299][ T7129] BTRFS warning (device loop0): couldn't read tree root [ 177.251345][ T7129] BTRFS warning (device loop0): try to load backup roots slot 2 [ 177.252093][ T44] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 177.259191][ T7129] BTRFS warning (device loop0): couldn't read tree root [ 177.259246][ T7129] BTRFS warning (device loop0): try to load backup roots slot 3 [ 177.471001][ T7129] BTRFS info (device loop0): checking UUID tree [ 177.472608][ T7129] BTRFS info (device loop0): setting nodatasum [ 177.472627][ T7129] BTRFS info (device loop0): enabling ssd optimizations [ 177.472643][ T7129] BTRFS info (device loop0): turning on flush-on-commit [ 177.472657][ T7129] BTRFS info (device loop0): turning on async discard [ 177.472671][ T7129] BTRFS info (device loop0): enabling free space tree [ 177.472685][ T7129] BTRFS info (device loop0): trying to use backup root at mount time [ 177.472701][ T7129] BTRFS info (device loop0): max_inline set to 0 [ 177.712242][ T7127] loop3: detected capacity change from 0 to 32768 [ 177.742046][ T7127] BTRFS info: device /dev/loop3 (7:3) using temp-fsid a7be734e-45b3-451c-a12b-4e9d852f1fcd [ 177.742099][ T7127] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.86 (7127) [ 177.795912][ T7127] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 177.795950][ T7127] BTRFS info (device loop3): using crc32c checksum algorithm [ 177.896674][ T7132] loop1: detected capacity change from 0 to 32768 2026/07/30 13:15:54 executed programs: 82 [ 177.959453][ T7132] BTRFS info: device /dev/loop1 (7:1) using temp-fsid a2769a4d-ef63-4223-9173-49bc6f736571 [ 177.959511][ T7132] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.87 (7132) [ 178.062424][ T7132] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 178.062455][ T7132] BTRFS info (device loop1): using crc32c checksum algorithm [ 178.083437][ T12] BTRFS warning (device loop3): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 178.086186][ T7127] BTRFS warning (device loop3): couldn't read tree root [ 178.086241][ T7127] BTRFS warning (device loop3): try to load backup roots slot 1 [ 178.117073][ T44] BTRFS warning (device loop3): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 178.117747][ T7127] BTRFS warning (device loop3): couldn't read tree root [ 178.117958][ T7127] BTRFS warning (device loop3): try to load backup roots slot 2 [ 178.118846][ T44] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 178.119225][ T7127] BTRFS warning (device loop3): couldn't read tree root [ 178.119274][ T7127] BTRFS warning (device loop3): try to load backup roots slot 3 [ 178.306236][ T67] BTRFS warning (device loop1): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 178.306306][ T7132] BTRFS warning (device loop1): couldn't read tree root [ 178.306323][ T7132] BTRFS warning (device loop1): try to load backup roots slot 1 [ 178.306747][ T67] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 178.307242][ T7132] BTRFS warning (device loop1): couldn't read tree root [ 178.307261][ T7132] BTRFS warning (device loop1): try to load backup roots slot 2 [ 178.307575][ T67] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 178.307668][ T7132] BTRFS warning (device loop1): couldn't read tree root [ 178.307685][ T7132] BTRFS warning (device loop1): try to load backup roots slot 3 [ 178.313125][ T7127] BTRFS error (device loop3): open_ctree failed: -4 [ 178.360513][ T7132] BTRFS info (device loop1): checking UUID tree [ 178.366501][ T7132] BTRFS info (device loop1): setting nodatasum [ 178.366547][ T7132] BTRFS info (device loop1): enabling ssd optimizations [ 178.366590][ T7132] BTRFS info (device loop1): turning on flush-on-commit [ 178.366626][ T7132] BTRFS info (device loop1): turning on async discard [ 178.366667][ T7132] BTRFS info (device loop1): enabling free space tree [ 178.366715][ T7132] BTRFS info (device loop1): trying to use backup root at mount time [ 178.366768][ T7132] BTRFS info (device loop1): max_inline set to 0 [ 178.524193][ T5742] BTRFS info (device loop2): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 178.548046][ T7135] loop4: detected capacity change from 0 to 32768 [ 178.608185][ T7135] BTRFS info: device /dev/loop4 (7:4) using temp-fsid 7ba335d9-7d8a-4d00-8c8d-c0ef2a36796a [ 178.608238][ T7135] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.88 (7135) [ 178.708214][ T7135] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 178.708244][ T7135] BTRFS info (device loop4): using crc32c checksum algorithm [ 178.963834][ T44] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 178.966057][ T7135] BTRFS warning (device loop4): couldn't read tree root [ 178.966142][ T7135] BTRFS warning (device loop4): try to load backup roots slot 1 [ 178.966878][ T12] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 178.969934][ T7135] BTRFS warning (device loop4): couldn't read tree root [ 178.969979][ T7135] BTRFS warning (device loop4): try to load backup roots slot 2 [ 178.972450][ T12] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 178.986764][ T7135] BTRFS warning (device loop4): couldn't read tree root [ 178.986817][ T7135] BTRFS warning (device loop4): try to load backup roots slot 3 [ 179.126174][ T5738] BTRFS info (device loop0): last unmount of filesystem 90df4a3e-7a29-45e9-ab24-c4ba1264d930 [ 179.422356][ T7135] BTRFS error (device loop4): open_ctree failed: -4 [ 179.449542][ T5741] BTRFS info (device loop1): last unmount of filesystem a2769a4d-ef63-4223-9173-49bc6f736571 [ 179.846230][ T7195] loop3: detected capacity change from 0 to 32768 [ 179.929595][ T7195] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.90 (7195) [ 179.996182][ T7195] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 179.996210][ T7195] BTRFS info (device loop3): using crc32c checksum algorithm [ 180.245192][ T7195] BTRFS warning (device loop3): couldn't read tree root [ 180.245216][ T7195] BTRFS warning (device loop3): try to load backup roots slot 1 [ 180.245751][ T7195] BTRFS warning (device loop3): couldn't read tree root [ 180.245770][ T7195] BTRFS warning (device loop3): try to load backup roots slot 2 [ 180.246721][ T44] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 180.252139][ T7195] BTRFS warning (device loop3): couldn't read tree root [ 180.252160][ T7195] BTRFS warning (device loop3): try to load backup roots slot 3 [ 180.464342][ T7195] BTRFS info (device loop3): checking UUID tree [ 180.472313][ T7195] BTRFS info (device loop3): setting nodatasum [ 180.472332][ T7195] BTRFS info (device loop3): enabling ssd optimizations [ 180.472344][ T7195] BTRFS info (device loop3): turning on flush-on-commit [ 180.472358][ T7195] BTRFS info (device loop3): turning on async discard [ 180.472372][ T7195] BTRFS info (device loop3): enabling free space tree [ 180.472386][ T7195] BTRFS info (device loop3): trying to use backup root at mount time [ 180.472402][ T7195] BTRFS info (device loop3): max_inline set to 0 [ 180.988111][ T5745] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 181.230392][ T7229] loop0: detected capacity change from 0 to 32768 [ 181.254246][ T7229] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.91 (7229) [ 181.296383][ T7212] loop2: detected capacity change from 0 to 32768 [ 181.322147][ T7212] BTRFS info: device /dev/loop2 (7:2) using temp-fsid 58ed052e-cfff-4b61-8de1-3625e44bae20 [ 181.322202][ T7212] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.89 (7212) [ 181.379760][ T7212] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 181.379786][ T7212] BTRFS info (device loop2): using crc32c checksum algorithm [ 181.404065][ T7229] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 181.404091][ T7229] BTRFS info (device loop0): using crc32c checksum algorithm [ 181.567213][ T7229] BTRFS warning (device loop0): couldn't read tree root [ 181.567237][ T7229] BTRFS warning (device loop0): try to load backup roots slot 1 [ 181.573545][ T7229] BTRFS warning (device loop0): couldn't read tree root [ 181.573568][ T7229] BTRFS warning (device loop0): try to load backup roots slot 2 [ 181.573935][ T5662] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 181.574151][ T7229] BTRFS warning (device loop0): couldn't read tree root [ 181.574169][ T7229] BTRFS warning (device loop0): try to load backup roots slot 3 [ 181.680128][ T213] btrfs_validate_extent_buffer: 4 callbacks suppressed [ 181.680146][ T213] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 181.680226][ T7212] BTRFS warning (device loop2): couldn't read tree root [ 181.680243][ T7212] BTRFS warning (device loop2): try to load backup roots slot 1 [ 181.680649][ T213] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 181.680751][ T7212] BTRFS warning (device loop2): couldn't read tree root [ 181.680768][ T7212] BTRFS warning (device loop2): try to load backup roots slot 2 [ 181.690857][ T1143] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 181.691019][ T7212] BTRFS warning (device loop2): couldn't read tree root [ 181.691038][ T7212] BTRFS warning (device loop2): try to load backup roots slot 3 [ 181.776201][ T7214] loop4: detected capacity change from 0 to 32768 [ 181.794685][ T7214] BTRFS info: device /dev/loop4 (7:4) using temp-fsid ddc4c049-ea95-4a35-b747-153d51a5c9fa [ 181.795466][ T7214] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.93 (7214) [ 181.843751][ T7229] BTRFS info (device loop0): checking UUID tree [ 181.846419][ T7229] BTRFS info (device loop0): setting nodatasum [ 181.846434][ T7229] BTRFS info (device loop0): enabling ssd optimizations [ 181.846446][ T7229] BTRFS info (device loop0): turning on flush-on-commit [ 181.846458][ T7229] BTRFS info (device loop0): turning on async discard [ 181.846468][ T7229] BTRFS info (device loop0): enabling free space tree [ 181.846480][ T7229] BTRFS info (device loop0): trying to use backup root at mount time [ 181.846493][ T7229] BTRFS info (device loop0): max_inline set to 0 [ 181.920878][ T7216] loop1: detected capacity change from 0 to 32768 [ 181.923651][ T7212] BTRFS info (device loop2): checking UUID tree [ 181.937252][ T7212] BTRFS info (device loop2): setting nodatasum [ 181.937271][ T7212] BTRFS info (device loop2): enabling ssd optimizations [ 181.937287][ T7212] BTRFS info (device loop2): turning on flush-on-commit [ 181.937301][ T7212] BTRFS info (device loop2): turning on async discard [ 181.937315][ T7212] BTRFS info (device loop2): enabling free space tree [ 181.937329][ T7212] BTRFS info (device loop2): trying to use backup root at mount time [ 181.937345][ T7212] BTRFS info (device loop2): max_inline set to 0 [ 182.023281][ T7216] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 0f32c9c4-b097-4b67-b4f0-6ba32bf0a8d9 [ 182.023336][ T7216] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.92 (7216) [ 182.023801][ T7214] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 182.023827][ T7214] BTRFS info (device loop4): using crc32c checksum algorithm [ 182.092327][ T7216] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 182.092351][ T7216] BTRFS info (device loop1): using crc32c checksum algorithm [ 182.281292][ T213] BTRFS warning (device loop1): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 182.281419][ T7216] BTRFS warning (device loop1): couldn't read tree root [ 182.281434][ T7216] BTRFS warning (device loop1): try to load backup roots slot 1 [ 182.281661][ T213] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 182.281769][ T7216] BTRFS warning (device loop1): couldn't read tree root [ 182.281783][ T7216] BTRFS warning (device loop1): try to load backup roots slot 2 [ 182.282008][ T213] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 182.282119][ T7216] BTRFS warning (device loop1): couldn't read tree root [ 182.282133][ T7216] BTRFS warning (device loop1): try to load backup roots slot 3 [ 182.394703][ T44] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 182.396014][ T7214] BTRFS warning (device loop4): couldn't read tree root [ 182.396033][ T7214] BTRFS warning (device loop4): try to load backup roots slot 1 [ 182.397728][ T44] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 182.398423][ T7214] BTRFS warning (device loop4): couldn't read tree root [ 182.398443][ T7214] BTRFS warning (device loop4): try to load backup roots slot 2 [ 182.403204][ T213] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 182.403310][ T7214] BTRFS warning (device loop4): couldn't read tree root [ 182.403326][ T7214] BTRFS warning (device loop4): try to load backup roots slot 3 [ 182.514358][ T7216] BTRFS info (device loop1): checking UUID tree [ 182.520539][ T7216] BTRFS info (device loop1): setting nodatasum [ 182.520558][ T7216] BTRFS info (device loop1): enabling ssd optimizations [ 182.520574][ T7216] BTRFS info (device loop1): turning on flush-on-commit [ 182.520588][ T7216] BTRFS info (device loop1): turning on async discard [ 182.520603][ T7216] BTRFS info (device loop1): enabling free space tree [ 182.520617][ T7216] BTRFS info (device loop1): trying to use backup root at mount time [ 182.520633][ T7216] BTRFS info (device loop1): max_inline set to 0 [ 182.649467][ T5738] BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 182.826722][ T7235] loop3: detected capacity change from 0 to 32768 [ 182.848813][ T7235] BTRFS info: device /dev/loop3 (7:3) using temp-fsid 6dd83a8a-8858-4a68-a289-4ae5a4112b80 [ 182.848868][ T7235] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.94 (7235) 2026/07/30 13:15:59 executed programs: 89 [ 183.041229][ T7235] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 183.041259][ T7235] BTRFS info (device loop3): using crc32c checksum algorithm [ 183.102695][ T7214] BTRFS error (device loop4): open_ctree failed: -4 [ 183.240540][ T213] BTRFS warning (device loop3): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 183.243728][ T7235] BTRFS warning (device loop3): couldn't read tree root [ 183.243750][ T7235] BTRFS warning (device loop3): try to load backup roots slot 1 [ 183.247399][ T213] BTRFS warning (device loop3): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 183.252128][ T7235] BTRFS warning (device loop3): couldn't read tree root [ 183.252149][ T7235] BTRFS warning (device loop3): try to load backup roots slot 2 [ 183.255082][ T1440] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 183.281000][ T7235] BTRFS warning (device loop3): couldn't read tree root [ 183.281022][ T7235] BTRFS warning (device loop3): try to load backup roots slot 3 [ 183.351109][ T5742] BTRFS info (device loop2): last unmount of filesystem 58ed052e-cfff-4b61-8de1-3625e44bae20 [ 183.602532][ T5741] BTRFS info (device loop1): last unmount of filesystem 0f32c9c4-b097-4b67-b4f0-6ba32bf0a8d9 [ 183.626624][ T7235] BTRFS info (device loop3): checking UUID tree [ 183.626945][ T7235] BTRFS info (device loop3): setting nodatasum [ 183.626963][ T7235] BTRFS info (device loop3): enabling ssd optimizations [ 183.626978][ T7235] BTRFS info (device loop3): turning on flush-on-commit [ 183.626992][ T7235] BTRFS info (device loop3): turning on async discard [ 183.627006][ T7235] BTRFS info (device loop3): enabling free space tree [ 183.627021][ T7235] BTRFS info (device loop3): trying to use backup root at mount time [ 183.627036][ T7235] BTRFS info (device loop3): max_inline set to 0 [ 184.347580][ T5745] BTRFS info (device loop3): last unmount of filesystem 6dd83a8a-8858-4a68-a289-4ae5a4112b80 [ 184.926508][ T7310] loop4: detected capacity change from 0 to 32768 [ 184.992938][ T7310] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.97 (7310) [ 185.067807][ T7310] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 185.067838][ T7310] BTRFS info (device loop4): using crc32c checksum algorithm [ 185.282080][ T7307] loop0: detected capacity change from 0 to 32768 [ 185.375315][ T3108] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 185.375656][ T7310] BTRFS warning (device loop4): couldn't read tree root [ 185.375685][ T7310] BTRFS warning (device loop4): try to load backup roots slot 1 [ 185.375967][ T3108] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 185.377573][ T7310] BTRFS warning (device loop4): couldn't read tree root [ 185.377592][ T7310] BTRFS warning (device loop4): try to load backup roots slot 2 [ 185.381250][ T3108] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 185.381387][ T7310] BTRFS warning (device loop4): couldn't read tree root [ 185.381404][ T7310] BTRFS warning (device loop4): try to load backup roots slot 3 [ 185.437290][ T7318] loop1: detected capacity change from 0 to 32768 [ 185.524726][ T7307] BTRFS info: device /dev/loop0 (7:0) using temp-fsid 779f2e04-f593-47a5-9810-4a1e3ac30a54 [ 185.524787][ T7307] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.95 (7307) [ 185.526272][ T7318] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 54ef7889-60ec-4240-9949-5f4c91b26567 [ 185.526333][ T7318] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.98 (7318) [ 185.670425][ T7307] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 185.670449][ T7307] BTRFS info (device loop0): using crc32c checksum algorithm [ 185.689469][ T7318] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 185.689536][ T7318] BTRFS info (device loop1): using crc32c checksum algorithm [ 185.712515][ T7315] loop2: detected capacity change from 0 to 32768 [ 185.727404][ T7315] BTRFS info: device /dev/loop2 (7:2) using temp-fsid 54d75a0d-3909-43a5-b9d6-c663a1d7171b [ 185.727460][ T7315] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.96 (7315) [ 185.782402][ T7310] BTRFS info (device loop4): checking UUID tree [ 185.793539][ T7310] BTRFS info (device loop4): setting nodatasum [ 185.793559][ T7310] BTRFS info (device loop4): enabling ssd optimizations [ 185.793576][ T7310] BTRFS info (device loop4): turning on flush-on-commit [ 185.793592][ T7310] BTRFS info (device loop4): turning on async discard [ 185.793606][ T7310] BTRFS info (device loop4): enabling free space tree [ 185.793622][ T7310] BTRFS info (device loop4): trying to use backup root at mount time [ 185.793648][ T7310] BTRFS info (device loop4): max_inline set to 0 [ 185.863636][ T7315] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 185.863662][ T7315] BTRFS info (device loop2): using crc32c checksum algorithm [ 186.192335][ T7307] BTRFS warning (device loop0): couldn't read tree root [ 186.192360][ T7307] BTRFS warning (device loop0): try to load backup roots slot 1 [ 186.197947][ T7307] BTRFS warning (device loop0): couldn't read tree root [ 186.197964][ T7307] BTRFS warning (device loop0): try to load backup roots slot 2 [ 186.213176][ T43] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 186.221016][ T7307] BTRFS warning (device loop0): couldn't read tree root [ 186.221037][ T7307] BTRFS warning (device loop0): try to load backup roots slot 3 [ 186.260646][ T7318] BTRFS warning (device loop1): couldn't read tree root [ 186.260667][ T7318] BTRFS warning (device loop1): try to load backup roots slot 1 [ 186.263737][ T7318] BTRFS warning (device loop1): couldn't read tree root [ 186.263756][ T7318] BTRFS warning (device loop1): try to load backup roots slot 2 [ 186.297182][ T1143] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 186.297421][ T7318] BTRFS warning (device loop1): couldn't read tree root [ 186.297441][ T7318] BTRFS warning (device loop1): try to load backup roots slot 3 [ 186.429199][ T7315] BTRFS warning (device loop2): couldn't read tree root [ 186.429221][ T7315] BTRFS warning (device loop2): try to load backup roots slot 1 [ 186.430432][ T7315] BTRFS warning (device loop2): couldn't read tree root [ 186.430451][ T7315] BTRFS warning (device loop2): try to load backup roots slot 2 [ 186.435663][ T1143] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 186.435780][ T7315] BTRFS warning (device loop2): couldn't read tree root [ 186.435797][ T7315] BTRFS warning (device loop2): try to load backup roots slot 3 [ 186.590458][ T7318] BTRFS info (device loop1): checking UUID tree [ 186.600598][ T7318] BTRFS info (device loop1): setting nodatasum [ 186.600641][ T7318] BTRFS info (device loop1): enabling ssd optimizations [ 186.600683][ T7318] BTRFS info (device loop1): turning on flush-on-commit [ 186.600725][ T7318] BTRFS info (device loop1): turning on async discard [ 186.600759][ T7318] BTRFS info (device loop1): enabling free space tree [ 186.600777][ T7318] BTRFS info (device loop1): trying to use backup root at mount time [ 186.600825][ T7318] BTRFS info (device loop1): max_inline set to 0 [ 186.915781][ T7307] BTRFS error (device loop0): open_ctree failed: -4 [ 187.037852][ T7315] BTRFS error (device loop2): open_ctree failed: -4 [ 187.513051][ T5759] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 187.786674][ T5741] BTRFS info (device loop1): last unmount of filesystem 54ef7889-60ec-4240-9949-5f4c91b26567 [ 188.596931][ T7385] loop3: detected capacity change from 0 to 32768 [ 188.612529][ T7385] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.100 (7385) [ 188.670133][ T7385] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 188.670160][ T7385] BTRFS info (device loop3): using crc32c checksum algorithm [ 188.793232][ T3108] btrfs_validate_extent_buffer: 6 callbacks suppressed [ 188.793252][ T3108] BTRFS warning (device loop3): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 188.793364][ T7385] BTRFS warning (device loop3): couldn't read tree root [ 188.793381][ T7385] BTRFS warning (device loop3): try to load backup roots slot 1 [ 188.793710][ T3108] BTRFS warning (device loop3): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 188.794175][ T7385] BTRFS warning (device loop3): couldn't read tree root [ 188.794193][ T7385] BTRFS warning (device loop3): try to load backup roots slot 2 [ 188.798377][ T5662] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 188.798721][ T7385] BTRFS warning (device loop3): couldn't read tree root [ 188.798759][ T7385] BTRFS warning (device loop3): try to load backup roots slot 3 [ 188.986226][ T7385] BTRFS info (device loop3): checking UUID tree [ 188.988414][ T7385] BTRFS info (device loop3): setting nodatasum [ 188.988434][ T7385] BTRFS info (device loop3): enabling ssd optimizations [ 188.988449][ T7385] BTRFS info (device loop3): turning on flush-on-commit [ 188.988463][ T7385] BTRFS info (device loop3): turning on async discard [ 188.988477][ T7385] BTRFS info (device loop3): enabling free space tree [ 188.988491][ T7385] BTRFS info (device loop3): trying to use backup root at mount time [ 188.988507][ T7385] BTRFS info (device loop3): max_inline set to 0 [ 189.199043][ T7388] loop2: detected capacity change from 0 to 32768 [ 189.240645][ T7388] BTRFS info: device /dev/loop2 (7:2) using temp-fsid 1055a9bf-162b-4391-972d-abf158e50334 [ 189.240702][ T7388] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.103 (7388) [ 189.344453][ T7388] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 189.344498][ T7388] BTRFS info (device loop2): using crc32c checksum algorithm [ 189.507840][ T7391] loop0: detected capacity change from 0 to 32768 [ 189.546985][ T7391] BTRFS info: device /dev/loop0 (7:0) using temp-fsid ae09dc99-61c1-4088-8b4c-ec510ccd2761 [ 189.547048][ T7391] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.101 (7391) [ 189.581928][ T43] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 189.582317][ T7388] BTRFS warning (device loop2): couldn't read tree root [ 189.582336][ T7388] BTRFS warning (device loop2): try to load backup roots slot 1 [ 189.592233][ T43] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 189.592689][ T7388] BTRFS warning (device loop2): couldn't read tree root [ 189.592733][ T7388] BTRFS warning (device loop2): try to load backup roots slot 2 [ 189.594642][ T3108] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 189.595371][ T7388] BTRFS warning (device loop2): couldn't read tree root [ 189.595423][ T7388] BTRFS warning (device loop2): try to load backup roots slot 3 [ 189.688154][ T7391] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 189.688185][ T7391] BTRFS info (device loop0): using crc32c checksum algorithm [ 189.757849][ T7393] loop4: detected capacity change from 0 to 32768 [ 189.783857][ T7388] BTRFS info (device loop2): checking UUID tree [ 189.791139][ T7388] BTRFS info (device loop2): setting nodatasum [ 189.791158][ T7388] BTRFS info (device loop2): enabling ssd optimizations [ 189.791173][ T7388] BTRFS info (device loop2): turning on flush-on-commit [ 189.791187][ T7388] BTRFS info (device loop2): turning on async discard [ 189.791201][ T7388] BTRFS info (device loop2): enabling free space tree [ 189.791215][ T7388] BTRFS info (device loop2): trying to use backup root at mount time [ 189.791231][ T7388] BTRFS info (device loop2): max_inline set to 0 [ 189.835841][ T7393] BTRFS info: device /dev/loop4 (7:4) using temp-fsid 58c66d83-49b7-4060-9c6d-b8edb90345e7 [ 189.835888][ T7393] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.102 (7393) [ 189.888790][ T44] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 189.888906][ T7391] BTRFS warning (device loop0): couldn't read tree root [ 189.888924][ T7391] BTRFS warning (device loop0): try to load backup roots slot 1 [ 189.890121][ T44] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 189.890227][ T7391] BTRFS warning (device loop0): couldn't read tree root [ 189.890249][ T7391] BTRFS warning (device loop0): try to load backup roots slot 2 [ 189.890580][ T44] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 189.890675][ T7391] BTRFS warning (device loop0): couldn't read tree root [ 189.890691][ T7391] BTRFS warning (device loop0): try to load backup roots slot 3 [ 189.926832][ T7393] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 189.926912][ T7393] BTRFS info (device loop4): using crc32c checksum algorithm 2026/07/30 13:16:06 executed programs: 98 [ 190.100373][ T7391] BTRFS info (device loop0): checking UUID tree [ 190.111759][ T7391] BTRFS info (device loop0): setting nodatasum [ 190.111778][ T7391] BTRFS info (device loop0): enabling ssd optimizations [ 190.111794][ T7391] BTRFS info (device loop0): turning on flush-on-commit [ 190.111808][ T7391] BTRFS info (device loop0): turning on async discard [ 190.111822][ T7391] BTRFS info (device loop0): enabling free space tree [ 190.111837][ T7391] BTRFS info (device loop0): trying to use backup root at mount time [ 190.111853][ T7391] BTRFS info (device loop0): max_inline set to 0 [ 190.190276][ T12] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 190.190408][ T7393] BTRFS warning (device loop4): couldn't read tree root [ 190.190426][ T7393] BTRFS warning (device loop4): try to load backup roots slot 1 [ 190.194614][ T44] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 190.196507][ T7393] BTRFS warning (device loop4): couldn't read tree root [ 190.196559][ T7393] BTRFS warning (device loop4): try to load backup roots slot 2 [ 190.197406][ T1143] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 190.202515][ T7393] BTRFS warning (device loop4): couldn't read tree root [ 190.202560][ T7393] BTRFS warning (device loop4): try to load backup roots slot 3 [ 190.306199][ T7396] loop1: detected capacity change from 0 to 32768 [ 190.308974][ T7396] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 5071eedb-3cde-4207-aa20-1c361cc8ad0c [ 190.309038][ T7396] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.104 (7396) [ 190.423238][ T7396] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 190.423266][ T7396] BTRFS info (device loop1): using crc32c checksum algorithm [ 190.488734][ T5745] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 190.546243][ T7393] BTRFS info (device loop4): checking UUID tree [ 190.564554][ T7393] BTRFS info (device loop4): setting nodatasum [ 190.564575][ T7393] BTRFS info (device loop4): enabling ssd optimizations [ 190.564591][ T7393] BTRFS info (device loop4): turning on flush-on-commit [ 190.564607][ T7393] BTRFS info (device loop4): turning on async discard [ 190.564622][ T7393] BTRFS info (device loop4): enabling free space tree [ 190.564638][ T7393] BTRFS info (device loop4): trying to use backup root at mount time [ 190.564654][ T7393] BTRFS info (device loop4): max_inline set to 0 [ 190.653207][ T213] BTRFS warning (device loop1): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 190.654730][ T7396] BTRFS warning (device loop1): couldn't read tree root [ 190.654804][ T7396] BTRFS warning (device loop1): try to load backup roots slot 1 [ 190.705711][ T44] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 190.705882][ T7396] BTRFS warning (device loop1): couldn't read tree root [ 190.705902][ T7396] BTRFS warning (device loop1): try to load backup roots slot 2 [ 190.708869][ T43] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 190.708984][ T7396] BTRFS warning (device loop1): couldn't read tree root [ 190.709003][ T7396] BTRFS warning (device loop1): try to load backup roots slot 3 [ 190.716367][ T5742] BTRFS info (device loop2): last unmount of filesystem 1055a9bf-162b-4391-972d-abf158e50334 [ 191.507361][ T7396] BTRFS error (device loop1): open_ctree failed: -4 [ 191.525252][ T5738] BTRFS info (device loop0): last unmount of filesystem ae09dc99-61c1-4088-8b4c-ec510ccd2761 [ 191.826817][ T5759] BTRFS info (device loop4): last unmount of filesystem 58c66d83-49b7-4060-9c6d-b8edb90345e7 [ 192.703579][ T7473] loop3: detected capacity change from 0 to 32768 [ 192.731581][ T7473] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.105 (7473) [ 192.777384][ T7473] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 192.777411][ T7473] BTRFS info (device loop3): using crc32c checksum algorithm [ 192.882088][ T7473] BTRFS warning (device loop3): couldn't read tree root [ 192.882110][ T7473] BTRFS warning (device loop3): try to load backup roots slot 1 [ 192.882515][ T7473] BTRFS warning (device loop3): couldn't read tree root [ 192.882533][ T7473] BTRFS warning (device loop3): try to load backup roots slot 2 [ 192.882842][ T12] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 192.882954][ T7473] BTRFS warning (device loop3): couldn't read tree root [ 192.882971][ T7473] BTRFS warning (device loop3): try to load backup roots slot 3 [ 192.989651][ T7473] BTRFS info (device loop3): checking UUID tree [ 193.000623][ T7473] BTRFS info (device loop3): setting nodatasum [ 193.000673][ T7473] BTRFS info (device loop3): enabling ssd optimizations [ 193.000710][ T7473] BTRFS info (device loop3): turning on flush-on-commit [ 193.000748][ T7473] BTRFS info (device loop3): turning on async discard [ 193.000777][ T7473] BTRFS info (device loop3): enabling free space tree [ 193.000792][ T7473] BTRFS info (device loop3): trying to use backup root at mount time [ 193.000814][ T7473] BTRFS info (device loop3): max_inline set to 0 [ 193.416512][ T7478] loop1: detected capacity change from 0 to 32768 [ 193.446648][ T7478] BTRFS info: device /dev/loop1 (7:1) using temp-fsid d59b37b5-70bd-4a1e-8337-0b0be6c52ebe [ 193.446711][ T7478] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.109 (7478) [ 193.478734][ T7476] loop2: detected capacity change from 0 to 32768 [ 193.526157][ T7476] BTRFS info: device /dev/loop2 (7:2) using temp-fsid b0ca7f26-6d58-49fc-b656-27ac6fd3322c [ 193.526221][ T7476] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.106 (7476) [ 193.602770][ T7478] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 193.602798][ T7478] BTRFS info (device loop1): using crc32c checksum algorithm [ 193.617581][ T7476] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 193.617655][ T7476] BTRFS info (device loop2): using crc32c checksum algorithm [ 193.699082][ T7480] loop0: detected capacity change from 0 to 32768 [ 193.722189][ T7480] BTRFS info: device /dev/loop0 (7:0) using temp-fsid 98062937-1d78-4f6d-b4a6-df92b8cd4c3f [ 193.722244][ T7480] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.107 (7480) [ 193.833654][ T7480] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 193.833681][ T7480] BTRFS info (device loop0): using crc32c checksum algorithm [ 193.866953][ T1440] btrfs_validate_extent_buffer: 2 callbacks suppressed [ 193.866973][ T1440] BTRFS warning (device loop1): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 193.867100][ T7478] BTRFS warning (device loop1): couldn't read tree root [ 193.867121][ T7478] BTRFS warning (device loop1): try to load backup roots slot 1 [ 193.868434][ T1440] BTRFS warning (device loop1): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 193.868563][ T7478] BTRFS warning (device loop1): couldn't read tree root [ 193.868583][ T7478] BTRFS warning (device loop1): try to load backup roots slot 2 [ 193.869660][ T1440] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 193.869772][ T7478] BTRFS warning (device loop1): couldn't read tree root [ 193.869791][ T7478] BTRFS warning (device loop1): try to load backup roots slot 3 [ 193.934653][ T7478] BTRFS info (device loop1): checking UUID tree [ 193.943013][ T7478] BTRFS info (device loop1): setting nodatasum [ 193.943111][ T7478] BTRFS info (device loop1): enabling ssd optimizations [ 193.943128][ T7478] BTRFS info (device loop1): turning on flush-on-commit [ 193.943143][ T7478] BTRFS info (device loop1): turning on async discard [ 193.943157][ T7478] BTRFS info (device loop1): enabling free space tree [ 193.943248][ T7478] BTRFS info (device loop1): trying to use backup root at mount time [ 193.943265][ T7478] BTRFS info (device loop1): max_inline set to 0 [ 194.018026][ T1336] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.018168][ T1336] ieee802154 phy1 wpan1: encryption failed: -22 [ 194.051820][ T43] BTRFS warning (device loop2): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 194.052107][ T7476] BTRFS warning (device loop2): couldn't read tree root [ 194.052124][ T7476] BTRFS warning (device loop2): try to load backup roots slot 1 [ 194.058935][ T1440] BTRFS warning (device loop2): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 194.081368][ T7476] BTRFS warning (device loop2): couldn't read tree root [ 194.081422][ T7476] BTRFS warning (device loop2): try to load backup roots slot 2 [ 194.097310][ T1440] BTRFS error (device loop2): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 194.097705][ T7476] BTRFS warning (device loop2): couldn't read tree root [ 194.097743][ T7476] BTRFS warning (device loop2): try to load backup roots slot 3 [ 194.290963][ T7476] BTRFS info (device loop2): checking UUID tree [ 194.294657][ T7476] BTRFS info (device loop2): setting nodatasum [ 194.294702][ T7476] BTRFS info (device loop2): enabling ssd optimizations [ 194.294731][ T7476] BTRFS info (device loop2): turning on flush-on-commit [ 194.294746][ T7476] BTRFS info (device loop2): turning on async discard [ 194.294761][ T7476] BTRFS info (device loop2): enabling free space tree [ 194.294776][ T7476] BTRFS info (device loop2): trying to use backup root at mount time [ 194.294791][ T7476] BTRFS info (device loop2): max_inline set to 0 [ 194.341630][ T5745] BTRFS info (device loop3): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 194.529888][ T1440] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 194.530008][ T7480] BTRFS warning (device loop0): couldn't read tree root [ 194.530026][ T7480] BTRFS warning (device loop0): try to load backup roots slot 1 [ 194.530298][ T68] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 194.531056][ T7480] BTRFS warning (device loop0): couldn't read tree root [ 194.531072][ T7480] BTRFS warning (device loop0): try to load backup roots slot 2 [ 194.610459][ T68] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 194.698348][ T7480] BTRFS warning (device loop0): couldn't read tree root [ 194.698370][ T7480] BTRFS warning (device loop0): try to load backup roots slot 3 [ 194.743928][ T7485] loop4: detected capacity change from 0 to 32768 [ 194.830490][ T7485] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop4 (7:4) scanned by syz.4.108 (7485) [ 194.890448][ T7480] BTRFS info (device loop0): checking UUID tree [ 194.896565][ T7480] BTRFS info (device loop0): setting nodatasum [ 194.896632][ T7480] BTRFS info (device loop0): enabling ssd optimizations [ 194.896668][ T7480] BTRFS info (device loop0): turning on flush-on-commit [ 194.896697][ T7480] BTRFS info (device loop0): turning on async discard [ 194.896716][ T7480] BTRFS info (device loop0): enabling free space tree [ 194.896769][ T7480] BTRFS info (device loop0): trying to use backup root at mount time [ 194.896814][ T7480] BTRFS info (device loop0): max_inline set to 0 [ 194.954554][ T7485] BTRFS info (device loop4): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 194.954580][ T7485] BTRFS info (device loop4): using crc32c checksum algorithm 2026/07/30 13:16:11 executed programs: 104 [ 195.286629][ T44] BTRFS warning (device loop4): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 195.286972][ T7485] BTRFS warning (device loop4): couldn't read tree root [ 195.286992][ T7485] BTRFS warning (device loop4): try to load backup roots slot 1 [ 195.287298][ T213] BTRFS warning (device loop4): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 195.288358][ T7485] BTRFS warning (device loop4): couldn't read tree root [ 195.288377][ T7485] BTRFS warning (device loop4): try to load backup roots slot 2 [ 195.290721][ T44] BTRFS error (device loop4): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 195.290857][ T7485] BTRFS warning (device loop4): couldn't read tree root [ 195.290874][ T7485] BTRFS warning (device loop4): try to load backup roots slot 3 [ 195.460913][ T5741] BTRFS info (device loop1): last unmount of filesystem d59b37b5-70bd-4a1e-8337-0b0be6c52ebe [ 195.547207][ T7485] BTRFS info (device loop4): checking UUID tree [ 195.552129][ T7485] BTRFS info (device loop4): setting nodatasum [ 195.552149][ T7485] BTRFS info (device loop4): enabling ssd optimizations [ 195.552163][ T7485] BTRFS info (device loop4): turning on flush-on-commit [ 195.552178][ T7485] BTRFS info (device loop4): turning on async discard [ 195.552191][ T7485] BTRFS info (device loop4): enabling free space tree [ 195.552206][ T7485] BTRFS info (device loop4): trying to use backup root at mount time [ 195.552221][ T7485] BTRFS info (device loop4): max_inline set to 0 [ 195.633012][ T5738] BTRFS info (device loop0): last unmount of filesystem 98062937-1d78-4f6d-b4a6-df92b8cd4c3f [ 195.834177][ T5742] BTRFS info (device loop2): last unmount of filesystem b0ca7f26-6d58-49fc-b656-27ac6fd3322c [ 196.738906][ T5759] BTRFS info (device loop4): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 197.518867][ T7564] loop0: detected capacity change from 0 to 32768 [ 197.544736][ T7564] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 (7:0) scanned by syz.0.112 (7564) [ 197.551529][ T7564] BTRFS info (device loop0): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 197.551551][ T7564] BTRFS info (device loop0): using crc32c checksum algorithm [ 197.628937][ T7562] loop1: detected capacity change from 0 to 32768 [ 197.665119][ T7562] BTRFS info: device /dev/loop1 (7:1) using temp-fsid 3f314fb7-4bdb-4168-b037-ca17f9976334 [ 197.665173][ T7562] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop1 (7:1) scanned by syz.1.111 (7562) [ 197.726173][ T67] BTRFS warning (device loop0): checksum verify failed on logical 5332992 mirror 1 wanted 0x0a5e5d25 found 0xcee3a718 level 0 [ 197.726505][ T7564] BTRFS warning (device loop0): couldn't read tree root [ 197.726524][ T7564] BTRFS warning (device loop0): try to load backup roots slot 1 [ 197.726812][ T3108] BTRFS warning (device loop0): checksum verify failed on logical 5324800 mirror 1 wanted 0x9f73850b found 0xe06dfc66 level 0 [ 197.726969][ T7564] BTRFS warning (device loop0): couldn't read tree root [ 197.726986][ T7564] BTRFS warning (device loop0): try to load backup roots slot 2 [ 197.727288][ T67] BTRFS error (device loop0): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 197.727411][ T7564] BTRFS warning (device loop0): couldn't read tree root [ 197.727427][ T7564] BTRFS warning (device loop0): try to load backup roots slot 3 [ 197.731260][ T7562] BTRFS info (device loop1): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 197.731286][ T7562] BTRFS info (device loop1): using crc32c checksum algorithm [ 197.900853][ T7564] BTRFS info (device loop0): checking UUID tree [ 197.907477][ T7564] BTRFS info (device loop0): setting nodatasum [ 197.907496][ T7564] BTRFS info (device loop0): enabling ssd optimizations [ 197.907511][ T7564] BTRFS info (device loop0): turning on flush-on-commit [ 197.907525][ T7564] BTRFS info (device loop0): turning on async discard [ 197.907539][ T7564] BTRFS info (device loop0): enabling free space tree [ 197.907553][ T7564] BTRFS info (device loop0): trying to use backup root at mount time [ 197.907568][ T7564] BTRFS info (device loop0): max_inline set to 0 [ 198.092623][ T7562] BTRFS warning (device loop1): couldn't read tree root [ 198.092646][ T7562] BTRFS warning (device loop1): try to load backup roots slot 1 [ 198.111614][ T7562] BTRFS warning (device loop1): couldn't read tree root [ 198.111634][ T7562] BTRFS warning (device loop1): try to load backup roots slot 2 [ 198.129235][ T12] BTRFS error (device loop1): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 198.130006][ T7562] BTRFS warning (device loop1): couldn't read tree root [ 198.130025][ T7562] BTRFS warning (device loop1): try to load backup roots slot 3 [ 198.205156][ T7562] BTRFS info (device loop1): checking UUID tree [ 198.208643][ T7562] BTRFS info (device loop1): setting nodatasum [ 198.208662][ T7562] BTRFS info (device loop1): enabling ssd optimizations [ 198.208677][ T7562] BTRFS info (device loop1): turning on flush-on-commit [ 198.208692][ T7562] BTRFS info (device loop1): turning on async discard [ 198.208706][ T7562] BTRFS info (device loop1): enabling free space tree [ 198.208721][ T7562] BTRFS info (device loop1): trying to use backup root at mount time [ 198.208737][ T7562] BTRFS info (device loop1): max_inline set to 0 [ 198.350733][ T7567] loop3: detected capacity change from 0 to 32768 [ 198.373934][ T7567] BTRFS info: device /dev/loop3 (7:3) using temp-fsid 37e17e88-c275-4b29-b549-cff2b210a663 [ 198.373981][ T7567] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop3 (7:3) scanned by syz.3.115 (7567) [ 198.441841][ T7570] loop2: detected capacity change from 0 to 32768 [ 198.462452][ T7570] BTRFS info: device /dev/loop2 (7:2) using temp-fsid 6e2397f2-14b3-4bf4-ab5f-ea2c0ea1bebd [ 198.462575][ T7570] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop2 (7:2) scanned by syz.2.113 (7570) [ 198.570775][ T7567] BTRFS info (device loop3): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 198.570805][ T7567] BTRFS info (device loop3): using crc32c checksum algorithm [ 198.629414][ T7562] BTRFS critical (device loop1): panic in insert_ordered_extent:264: overlapping ordered extents, existing oe file_offset 32768 num_bytes 430080 flags 0x1089, new oe file_offset 32768 num_bytes 430080 flags 0x80 (errno=-17 Object already exists) [ 198.630651][ T7562] ------------[ cut here ]------------ [ 198.630661][ T7562] kernel BUG at fs/btrfs/ordered-data.c:264! [ 198.683407][ T7562] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 198.683445][ T7562] CPU: 0 UID: 0 PID: 7562 Comm: syz.1.111 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 198.683481][ T7562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 198.683497][ T7562] RIP: 0010:btrfs_alloc_ordered_extent+0x943/0xad0 [ 198.683542][ T7562] Code: 87 8d ba 08 01 00 00 b9 ef ff ff ff 49 c7 c0 e0 46 b8 8b 4d 89 f9 ff 75 00 41 54 41 55 41 56 53 e8 b2 36 1c fd 48 83 c4 28 90 <0f> 0b e8 66 d3 b7 fd 48 c7 c7 40 3e b8 8b 48 c7 c6 a0 3e b8 8b 48 [ 198.683559][ T7562] RSP: 0018:ffffc9000f09ec10 EFLAGS: 00010292 [ 198.683581][ T7562] RAX: 967a1bc1beaead00 RBX: 0000000000069000 RCX: 1ffff92001e13d60 [ 198.683596][ T7562] RDX: 0000000000000003 RSI: ffffffff8daf565b RDI: ffff8880283b5d00 [ 198.683610][ T7562] RBP: ffff88803beddc60 R08: 0000000000000000 R09: 0000000000000000 [ 198.683622][ T7562] R10: dffffc0000000000 R11: fffff52001e13cd1 R12: 0000000000069000 [ 198.683635][ T7562] R13: 0000000000008000 R14: 0000000000001089 R15: 0000000000008000 [ 198.683647][ T7562] FS: 00007f24834ce6c0(0000) GS:ffff888125c41000(0000) knlGS:0000000000000000 [ 198.683664][ T7562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 198.683676][ T7562] CR2: 00007f2b7f7fd000 CR3: 0000000036fe8000 CR4: 00000000003526f0 [ 198.683692][ T7562] Call Trace: [ 198.683699][ T7562] [ 198.683710][ T7562] cow_file_range+0x744/0x12a0 [ 198.683737][ T7562] ? __pfx_cow_file_range+0x10/0x10 [ 198.683767][ T7562] btrfs_run_delalloc_range+0x89e/0x1fd0 [ 198.683792][ T7562] ? btrfs_copy_subpage_dirty_bitmap+0x1ba/0x590 [ 198.683823][ T7562] ? __pfx_btrfs_run_delalloc_range+0x10/0x10 [ 198.683845][ T7562] ? btrfs_folio_set_lock+0x370/0x5f0 [ 198.683879][ T7562] ? __bitmap_set+0x12f/0x170 [ 198.683906][ T7562] writepage_delalloc+0x104d/0x1ba0 [ 198.683930][ T7562] ? filemap_get_folios_tag+0x118/0x720 [ 198.683963][ T7562] ? rt_spin_unlock+0x163/0x200 [ 198.683997][ T7562] ? __pfx_writepage_delalloc+0x10/0x10 [ 198.684023][ T7562] ? set_folio_extent_mapped+0x18b/0x4a0 [ 198.684043][ T7562] btrfs_writepages+0x1667/0x28b0 [ 198.684073][ [ 198.684073][ T7562] ? __pfx_btrfs_writepages+0x10/0x10 [ 198.684109][ T7562] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 198.684131][ T7562] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 198.684162][ T7562] ? __pfx_btrfs_writepages+0x10/0x10 [ 198.684181][ T7562] do_writepages+0x338/0x560 [ 198.684205][ T7562] ? rt_spin_unlock+0x157/0x200 [ 198.684237][ T7562] filemap_fdatawrite_range+0x1f2/0x300 [ 198.684261][ T7562] ? __pfx_filemap_fdatawrite_range+0x10/0x10 [ 198.684301][ T7562] ? __pfx_btrfs_buffered_write+0x10/0x10 [ 198.684323][ T7562] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 198.684347][ T7562] btrfs_fdatawrite_range+0x54/0xf0 [ 198.684376][ T7562] btrfs_direct_write+0x6a0/0xc30 [ 198.684410][ T7562] ? __pfx_btrfs_direct_write+0x10/0x10 [ 198.684441][ T7562] ? __resched_curr+0x23e/0x530 [ 198.684467][ T7562] btrfs_do_write_iter+0x329/0x790 [ 198.684493][ T7562] ? __pfx_btrfs_do_write_iter+0x10/0x10 [ 198.684514][ T7562] ? preempt_schedule_common+0x82/0xd0 [ 198.684537][ T7562] do_iter_readv_writev+0x624/0x8d0 [ 198.684563][ T7562] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 198.684596][ T7562] vfs_writev+0x34c/0x990 [ 198.684616][ T7562] ? __pfx_vfs_writev+0x10/0x10 [ 198.684640][ T7562] ? __fget_files+0x2a/0x420 [ 198.684661][ T7562] ? __fget_files+0x3a8/0x420 [ 198.684680][ T7562] ? __fget_files+0x2a/0x420 [ 198.684701][ T7562] __se_sys_pwritev2+0x17a/0x2a0 [ 198.684729][ T7562] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 198.684758][ T7562] ? __x64_sys_pwritev2+0x20/0xc0 [ 198.684782][ T7562] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 198.684801][ T7562] do_syscall_64+0x174/0x580 [ 198.684823][ T7562] ? trace_irq_disable+0x3b/0x140 [ 198.684840][ T7562] ? clear_bhb_loop+0x40/0x90 [ 198.684867][ T7562] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 198.684886][ T7562] RIP: 0033:0x7f2483e6df99 [ 198.684908][ T7562] 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 [ 198.684923][ T7562] RSP: 002b:00007f24834ce028 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 198.684941][ T7562] RAX: ffffffffffffffda RBX: 00007f24840f5fa0 RCX: 00007f2483e6df99 [ 198.684956][ T7562] RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000004 [ 198.684968][ T7562] RBP: 00007f2483f04ec4 R08: 0000000000000000 R09: 0000000000000003 [ 198.684980][ T7562] R10: 0000000000007000 R11: 0000000000000246 R12: 0000000000000000 [ 198.684991][ T7562] R13: 00007f24840f6038 R14: 00007f24840f5fa0 R15: 00007ffcc791a488 [ 198.685013][ T7562] [ 198.685019][ T7562] Modules linked in: [ 198.685074][ T7562] ---[ end trace 0000000000000000 ]--- [ 198.705499][ T7570] BTRFS info (device loop2): first mount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf [ 198.705592][ T7570] BTRFS info (device loop2): using crc32c checksum algorithm [ 198.867305][ T7567] BTRFS warning (device loop3): couldn't read tree root [ 198.867334][ T7567] BTRFS warning (device loop3): try to load backup roots slot 1 [ 198.872839][ T7567] BTRFS warning (device loop3): couldn't read tree root [ 198.872901][ T7567] BTRFS warning (device loop3): try to load backup roots slot 2 [ 198.875771][ T1440] BTRFS error (device loop3): level verify failed on logical 5255168 mirror 1 wanted 0 found 1 [ 198.878576][ T7567] BTRFS warning (device loop3): couldn't read tree root [ 198.878636][ T7567] BTRFS warning (device loop3): try to load backup roots slot 3 [ 198.890546][ T7562] RIP: 0010:btrfs_alloc_ordered_extent+0x943/0xad0 [ 198.890593][ T7562] Code: 87 8d ba 08 01 00 00 b9 ef ff ff ff 49 c7 c0 e0 46 b8 8b 4d 89 f9 ff 75 00 41 54 41 55 41 56 53 e8 b2 36 1c fd 48 83 c4 28 90 <0f> 0b e8 66 d3 b7 fd 48 c7 c7 40 3e b8 8b 48 c7 c6 a0 3e b8 8b 48 [ 198.890615][ T7562] RSP: 0018:ffffc9000f09ec10 EFLAGS: 00010292 [ 198.890637][ T7562] RAX: 967a1bc1beaead00 RBX: 0000000000069000 RCX: 1ffff92001e13d60 [ 198.890655][ T7562] RDX: 0000000000000003 RSI: ffffffff8daf565b RDI: ffff8880283b5d00 [ 198.890673][ T7562] RBP: ffff88803beddc60 R08: 0000000000000000 R09: 0000000000000000 [ 198.890688][ T7562] R10: dffffc0000000000 R11: fffff52001e13cd1 R12: 0000000000069000 [ 198.890706][ T7562] R13: 0000000000008000 R14: 0000000000001089 R15: 0000000000008000 [ 198.890722][ T7562] FS: 00007f24834ce6c0(0000) GS:ffff888125c41000(0000) knlGS:0000000000000000 [ 198.890745][ T7562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 198.890762][ T7562] CR2: 000024ad4b346000 CR3: 0000000036fe8000 CR4: 00000000003526f0 [ 198.890786][ T7562] Kernel panic - not syncing: Fatal exception [ 198.891417][ T7562] Kernel Offset: disabled