[ T4865] BTRFS info (device loop3): balance: ended with status: 0
[  124.343730][ T4913] BTRFS info (device loop3): scrub: started on devid 1
[  124.371495][ T4892] loop2: detected capacity change from 0 to 32768
[  124.449721][ T4913] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  124.466317][ T4892] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.95 (4892)
[  124.614026][ T4400] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  124.678344][ T4514] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4514)
[  124.751797][ T4539] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4539)
[  124.849279][ T4907] loop1: detected capacity change from 0 to 32768
[  124.908817][ T4907] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.96 (4907)
[  125.007562][ T4907] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  125.063838][ T4907] BTRFS info (device loop1): using sha256 (sha256-avx2) checksum algorithm
[  125.064042][ T4429] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4429)
[  125.133925][ T4907] BTRFS info (device loop1): setting nodatacow, compression disabled
[  125.142062][ T4907] BTRFS info (device loop1): setting datasum, datacow enabled
[  125.241207][ T4907] BTRFS info (device loop1): force clearing of disk cache
[  125.302168][ T4907] BTRFS info (device loop1): turning on sync discard
[  125.343064][ T4907] BTRFS warning (device loop1): excessive commit interval 43283
[  125.391844][ T4907] BTRFS info (device loop1): enabling ssd optimizations
[  125.426185][ T4907] BTRFS info (device loop1): using spread ssd allocation scheme
[  125.467433][ T4907] BTRFS info (device loop1): not using ssd optimizations
[  125.495750][ T4907] BTRFS info (device loop1): not using spread ssd allocation scheme
[  125.543758][ T4907] BTRFS info (device loop1): using free space tree
[  125.671448][ T4920] loop2: detected capacity change from 0 to 32768
[  125.703308][ T4918] loop0: detected capacity change from 0 to 32768
[  125.703917][ T4920] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.99 (4920)
[  125.745443][ T4918] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.98 (4918)
[  125.867745][ T4916] loop4: detected capacity change from 0 to 32768
[  125.891891][ T4907] BTRFS info (device loop1): rebuilding free space tree
[  125.960181][   T26] audit: type=1800 audit(1788762518.535:14): pid=4907 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.96" name="file1" dev="loop1" ino=260 res=0 errno=0
[  125.989228][ T4916] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.97 (4916)
[  126.013438][ T4945] BTRFS info (device loop1): scrub: started on devid 1
[  126.087687][ T4922] loop3: detected capacity change from 0 to 32768
[  126.104817][ T4945] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  126.153565][ T4430] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4430)
[  126.226768][ T4922] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.100 (4922)
[  126.258855][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  126.344732][ T4429] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4429)
[  126.442103][ T4393] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  126.654402][ T4644] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by udevd (4644)
[  127.034682][ T4944] loop2: detected capacity change from 0 to 32768
[  127.114900][ T4944] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  127.180713][ T4944] BTRFS info (device loop2): using sha256 (sha256-avx2) checksum algorithm
[  127.220833][ T4944] BTRFS info (device loop2): setting nodatacow, compression disabled
[  127.238203][ T4941] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.101 (4941)
[  127.282427][ T4944] BTRFS info (device loop2): setting datasum, datacow enabled
[  127.330574][ T4944] BTRFS info (device loop2): force clearing of disk cache
[  127.365509][ T4944] BTRFS info (device loop2): turning on sync discard
[  127.420818][ T4944] BTRFS warning (device loop2): excessive commit interval 43283
[  127.463823][ T4944] BTRFS info (device loop2): enabling ssd optimizations
[  127.514229][ T4947] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.103 (4947)
[  127.514756][ T4944] BTRFS info (device loop2): using spread ssd allocation scheme
[  127.562851][ T4944] BTRFS info (device loop2): not using ssd optimizations
[  127.627109][ T4944] BTRFS info (device loop2): not using spread ssd allocation scheme
[  127.663451][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  127.705321][ T4944] BTRFS info (device loop2): using free space tree
[  127.819770][ T4950] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.105 (4950)
[  127.947992][ T4429] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4429)
2026/09/07 06:28:40 executed programs: 101
[  128.087551][ T4953] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.104 (4953)
[  128.144749][ T4944] BTRFS info (device loop2): rebuilding free space tree
[  128.237460][   T26] audit: type=1800 audit(1788762520.815:15): pid=4944 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.102" name="file1" dev="loop2" ino=260 res=0 errno=0
[  128.303804][ T4944] BTRFS info (device loop2): balance: start -f -sconvert=raid0,usage=0..1342177280
[  128.362482][ T4944] BTRFS info (device loop2): relocating block group 1048576 flags system
[  128.438178][ T4539] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4539)
[  128.540913][ T4980] BTRFS info (device loop2): scrub: started on devid 1
[  128.555738][ T4955] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.106 (4955)
[  128.595763][ T4944] BTRFS info (device loop2): balance: ended with status: 0
[  128.606263][ T4514] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4514)
[  128.657483][ T4974] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.108 (4974)
[  128.689122][ T4980] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  128.809386][ T4394] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  128.994133][ T4430] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by udevd (4430)
[  129.041992][ T4959] set_capacity_and_notify: 6 callbacks suppressed
[  129.042007][ T4959] loop4: detected capacity change from 0 to 32768
[  129.172504][ T4959] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  129.283208][ T4959] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm
[  129.325891][ T4959] BTRFS info (device loop4): setting nodatacow, compression disabled
[  129.363738][ T4959] BTRFS info (device loop4): setting datasum, datacow enabled
[  129.381814][ T4979] loop1: detected capacity change from 0 to 32768
[  129.401807][ T4959] BTRFS info (device loop4): force clearing of disk cache
[  129.434571][ T4959] BTRFS info (device loop4): turning on sync discard
[  129.441562][ T4979] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.109 (4979)
[  129.443125][ T4959] BTRFS warning (device loop4): excessive commit interval 43283
[  129.549836][ T4959] BTRFS info (device loop4): enabling ssd optimizations
[  129.563777][ T4959] BTRFS info (device loop4): using spread ssd allocation scheme
[  129.603822][ T4959] BTRFS info (device loop4): not using ssd optimizations
[  129.610963][ T4959] BTRFS info (device loop4): not using spread ssd allocation scheme
[  129.639636][ T4959] BTRFS info (device loop4): using free space tree
[  129.802384][ T4982] loop0: detected capacity change from 0 to 32768
[  129.883479][ T4959] BTRFS info (device loop4): rebuilding free space tree
[  129.919079][ T4982] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.110 (4982)
[  129.940625][   T26] audit: type=1800 audit(1788762522.515:16): pid=4959 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.107" name="file1" dev="loop4" ino=260 res=0 errno=0
[  130.047786][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  130.064102][ T4959] BTRFS info (device loop4): balance: start -f -sconvert=raid0,usage=0..1342177280
[  130.078584][ T5008] BTRFS info (device loop4): scrub: started on devid 1
[  130.140237][ T4959] BTRFS info (device loop4): relocating block group 1048576 flags system
[  130.183487][ T4987] loop2: detected capacity change from 0 to 32768
[  130.243313][ T4987] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.111 (4987)
[  130.309268][ T5008] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  130.316078][ T4959] BTRFS info (device loop4): balance: ended with status: 0
[  130.484612][ T4399] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  130.542063][ T4985] loop3: detected capacity change from 0 to 32768
[  130.606227][ T4985] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.112 (4985)
[  130.668648][ T4429] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4429)
[  130.917948][ T4989] loop1: detected capacity change from 0 to 32768
[  130.973813][ T4989] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.113 (4989)
[  131.036693][ T4539] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4539)
[  131.048814][ T4989] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  131.103860][ T4989] BTRFS info (device loop1): using sha256 (sha256-avx2) checksum algorithm
[  131.112556][ T4989] BTRFS info (device loop1): setting nodatacow, compression disabled
[  131.194147][ T4989] BTRFS info (device loop1): setting datasum, datacow enabled
[  131.201669][ T4989] BTRFS info (device loop1): force clearing of disk cache
[  131.263753][ T4989] BTRFS info (device loop1): turning on sync discard
[  131.271516][ T4989] BTRFS warning (device loop1): excessive commit interval 43283
[  131.321781][ T4989] BTRFS info (device loop1): enabling ssd optimizations
[  131.373876][ T4989] BTRFS info (device loop1): using spread ssd allocation scheme
[  131.381640][ T4989] BTRFS info (device loop1): not using ssd optimizations
[  131.423195][ T4989] BTRFS info (device loop1): not using spread ssd allocation scheme
[  131.458721][ T4989] BTRFS info (device loop1): using free space tree
[  131.589068][ T5013] loop0: detected capacity change from 0 to 32768
[  131.608710][ T5013] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.115 (5013)
[  131.649058][ T5010] loop2: detected capacity change from 0 to 32768
[  131.678735][ T5010] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.114 (5010)
[  131.751049][ T4989] BTRFS info (device loop1): rebuilding free space tree
[  131.782315][ T5015] loop3: detected capacity change from 0 to 32768
[  131.821764][   T26] audit: type=1800 audit(1788762524.395:17): pid=4989 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.113" name="file1" dev="loop1" ino=260 res=0 errno=0
[  131.871887][ T5015] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.117 (5015)
[  131.872839][ T4989] BTRFS info (device loop1): balance: start -f -sconvert=raid0,usage=0..1342177280
[  131.956053][ T5040] BTRFS info (device loop1): scrub: started on devid 1
[  132.017327][ T4989] BTRFS info (device loop1): relocating block group 1048576 flags system
[  132.059402][ T5017] loop4: detected capacity change from 0 to 32768
[  132.071769][ T4514] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4514)
[  132.119731][ T4539] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4539)
[  132.166765][ T5017] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.116 (5017)
[  132.190249][ T5040] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  132.250422][ T4989] BTRFS info (device loop1): balance: ended with status: 0
[  132.306805][ T4429] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4429)
[  132.464574][ T4393] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  132.584510][ T4644] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4644)
[  132.661940][ T4430] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 15 /dev/loop1 scanned by udevd (4430)
[  132.728108][ T1280] ieee802154 phy0 wpan0: encryption failed: -22
[  132.734841][ T1280] ieee802154 phy1 wpan1: encryption failed: -22
[  132.986381][ T5031] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15
2026/09/07 06:28:45 executed programs: 116
[  133.201662][ T5039] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15
[  133.339521][ T4514] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 15
[  133.394307][ T5042] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15
[  133.616872][ T4539] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 15
[  133.696541][ T5044] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15
[  133.863976][ T4429] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 15
[  133.989318][ T4644] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 15
[  134.155249][ T5047] set_capacity_and_notify: 4 callbacks suppressed
[  134.155263][ T5047] loop1: detected capacity change from 0 to 32768
[  134.243123][ T5047] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  134.313848][ T5047] BTRFS info (device loop1): using sha256 (sha256-avx2) checksum algorithm
[  134.343423][ T5047] BTRFS info (device loop1): setting nodatacow, compression disabled
[  134.389899][ T5047] BTRFS info (device loop1): setting datasum, datacow enabled
[  134.405818][ T5049] loop0: detected capacity change from 0 to 32768
[  134.423781][ T5047] BTRFS info (device loop1): force clearing of disk cache
[  134.430946][ T5047] BTRFS info (device loop1): turning on sync discard
[  134.451960][ T5049] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.123 (5049)
[  134.512863][ T5051] loop2: detected capacity change from 0 to 32768
[  134.514966][ T5047] BTRFS warning (device loop1): excessive commit interval 43283
[  134.524271][ T5051] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.124 (5051)
[  134.589755][ T5047] BTRFS info (device loop1): enabling ssd optimizations
[  134.643403][ T5047] BTRFS info (device loop1): using spread ssd allocation scheme
[  134.689437][ T5047] BTRFS info (device loop1): not using ssd optimizations
[  134.733761][ T5047] BTRFS info (device loop1): not using spread ssd allocation scheme
[  134.773970][ T5047] BTRFS info (device loop1): using free space tree
[  134.825645][ T5053] loop3: detected capacity change from 0 to 32768
[  134.847350][ T4539] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4539)
[  134.959445][ T5053] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.125 (5053)
[  135.001038][ T4430] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4430)
[  135.224401][ T5047] BTRFS info (device loop1): rebuilding free space tree
[  135.227602][ T5055] loop4: detected capacity change from 0 to 32768
[  135.291199][ T5055] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.126 (5055)
[  135.347878][   T26] audit: type=1800 audit(1788762527.925:18): pid=5047 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.122" name="file1" dev="loop1" ino=260 res=0 errno=0
[  135.380458][ T5047] BTRFS info (device loop1): balance: start -f -sconvert=raid0,usage=0..1342177280
[  135.409005][ T4429] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4429)
[  135.427093][ T5047] BTRFS info (device loop1): relocating block group 1048576 flags system
[  135.587450][ T5081] BTRFS info (device loop1): scrub: started on devid 1
[  135.613846][ T5081] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  135.631147][ T5047] BTRFS info (device loop1): balance: ended with status: 0
[  135.670661][ T4539] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4539)
[  135.788276][ T5076] loop3: detected capacity change from 0 to 32768
[  135.795636][ T4393] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  135.862146][ T5076] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.129 (5076)
[  135.959409][ T5058] loop0: detected capacity change from 0 to 32768
[  136.004414][ T5058] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.127 (5058)
[  136.025456][ T4430] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  136.090939][ T5060] loop2: detected capacity change from 0 to 32768
[  136.099278][ T5058] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  136.151184][ T5060] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.128 (5060)
[  136.179094][ T5058] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
[  136.212868][ T5058] BTRFS info (device loop0): setting nodatacow, compression disabled
[  136.263261][ T5058] BTRFS info (device loop0): setting datasum, datacow enabled
[  136.312195][ T5058] BTRFS info (device loop0): force clearing of disk cache
[  136.344098][ T5058] BTRFS info (device loop0): turning on sync discard
[  136.383054][ T5058] BTRFS warning (device loop0): excessive commit interval 43283
[  136.440500][ T5058] BTRFS info (device loop0): enabling ssd optimizations
[  136.474371][ T5058] BTRFS info (device loop0): using spread ssd allocation scheme
[  136.513797][ T5058] BTRFS info (device loop0): not using ssd optimizations
[  136.571028][ T4644] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4644)
[  136.581115][ T5058] BTRFS info (device loop0): not using spread ssd allocation scheme
[  136.623809][ T5058] BTRFS info (device loop0): using free space tree
[  136.679616][ T5082] loop4: detected capacity change from 0 to 32768
[  136.732056][ T5082] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.130 (5082)
[  136.871027][ T5087] loop2: detected capacity change from 0 to 32768
[  136.916634][ T5087] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.132 (5087)
[  136.985381][ T5058] BTRFS info (device loop0): rebuilding free space tree
[  137.056849][   T26] audit: type=1800 audit(1788762529.635:19): pid=5058 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.127" name="file1" dev="loop0" ino=260 res=0 errno=0
[  137.087883][ T5058] BTRFS info (device loop0): balance: start -f -sconvert=raid0,usage=0..1342177280
[  137.137089][ T5058] BTRFS info (device loop0): relocating block group 1048576 flags system
[  137.240667][ T5110] BTRFS info (device loop0): scrub: started on devid 1
[  137.241722][ T5058] BTRFS info (device loop0): balance: ended with status: 0
[  137.279595][ T4430] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4430)
[  137.320944][ T5110] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  137.431051][ T4389] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  137.470366][ T5085] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.131 (5085)
[  137.739261][ T5089] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.133 (5089)
[  137.823268][ T5089] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  137.845079][ T5107] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.134 (5107)
[  137.878397][ T5089] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
[  137.908734][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  137.950323][ T5089] BTRFS info (device loop3): setting nodatacow, compression disabled
[  138.001304][ T5089] BTRFS info (device loop3): setting datasum, datacow enabled
[  138.049533][ T5089] BTRFS info (device loop3): force clearing of disk cache
[  138.084245][ T5089] BTRFS info (device loop3): turning on sync discard
[  138.123754][ T5089] BTRFS warning (device loop3): excessive commit interval 43283
[  138.172335][ T5089] BTRFS info (device loop3): enabling ssd optimizations
[  138.214014][ T5089] BTRFS info (device loop3): using spread ssd allocation scheme
[  138.221711][ T5089] BTRFS info (device loop3): not using ssd optimizations
[  138.246324][ T4430] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4430)
[  138.273705][ T5089] BTRFS info (device loop3): not using spread ssd allocation scheme
[  138.302058][ T5089] BTRFS info (device loop3): using free space tree
[  138.520633][ T5112] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.136 (5112)
2026/09/07 06:28:51 executed programs: 132
[  138.659080][ T5114] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.137 (5114)
[  138.752592][ T5089] BTRFS info (device loop3): rebuilding free space tree
[  138.815515][   T26] audit: type=1800 audit(1788762531.395:20): pid=5089 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.133" name="file1" dev="loop3" ino=260 res=0 errno=0
[  138.867147][ T5089] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  138.895069][ T5141] BTRFS info (device loop3): scrub: started on devid 1
[  138.962782][ T5089] BTRFS info (device loop3): relocating block group 1048576 flags system
[  139.019593][ T4539] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4539)
[  139.069514][ T4429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4429)
[  139.146515][ T5089] BTRFS info (device loop3): balance: ended with status: 0
[  139.148938][ T5116] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.138 (5116)
[  139.223193][ T5141] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  139.241657][ T5118] set_capacity_and_notify: 6 callbacks suppressed
[  139.241671][ T5118] loop0: detected capacity change from 0 to 32768
[  139.383972][ T5118] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.135 (5118)
[  139.419298][ T4400] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  139.449220][ T5133] loop2: detected capacity change from 0 to 32768
[  139.496449][ T5133] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.139 (5133)
[  139.659913][ T4514] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by udevd (4514)
[  140.215216][ T5140] loop1: detected capacity change from 0 to 32768
[  140.277519][ T5140] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  140.323980][ T5140] BTRFS info (device loop1): using sha256 (sha256-avx2) checksum algorithm
[  140.393450][ T5140] BTRFS info (device loop1): setting nodatacow, compression disabled
[  140.433856][ T5140] BTRFS info (device loop1): setting datasum, datacow enabled
[  140.441378][ T5140] BTRFS info (device loop1): force clearing of disk cache
[  140.499822][ T5140] BTRFS info (device loop1): turning on sync discard
[  140.531650][ T5140] BTRFS warning (device loop1): excessive commit interval 43283
[  140.563723][ T5140] BTRFS info (device loop1): enabling ssd optimizations
[  140.601143][ T5140] BTRFS info (device loop1): using spread ssd allocation scheme
[  140.650927][ T5140] BTRFS info (device loop1): not using ssd optimizations
[  140.676154][ T5140] BTRFS info (device loop1): not using spread ssd allocation scheme
[  140.716937][ T5145] loop0: detected capacity change from 0 to 32768
[  140.724998][ T5140] BTRFS info (device loop1): using free space tree
[  140.816963][ T5145] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.143 (5145)
[  140.828808][ T5143] loop4: detected capacity change from 0 to 32768
[  140.861856][ T5143] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.141 (5143)
[  140.887619][ T5148] loop3: detected capacity change from 0 to 32768
[  140.927214][ T5148] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.142 (5148)
[  140.984508][ T4429] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  141.182277][ T5140] BTRFS info (device loop1): rebuilding free space tree
[  141.313484][ T5152] loop2: detected capacity change from 0 to 32768
[  141.328577][   T26] audit: type=1800 audit(1788762533.905:21): pid=5140 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.140" name="file1" dev="loop1" ino=260 res=0 errno=0
[  141.370929][ T5152] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.144 (5152)
[  141.387978][ T5140] BTRFS info (device loop1): balance: start -f -sconvert=raid0,usage=0..1342177280
[  141.388440][ T5176] BTRFS info (device loop1): scrub: started on devid 1
[  141.492394][ T4430] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4430)
[  141.541485][ T5140] BTRFS info (device loop1): relocating block group 1048576 flags system
[  141.694262][ T5140] BTRFS: error (device loop1) in btrfs_relocate_chunk:3387: errno=-4 unknown
[  141.703105][ T5140] BTRFS info (device loop1: state E): forced readonly
[  141.711470][ T5176] BTRFS info (device loop1: state E): scrub: finished on devid 1 with status: 0
[  141.769872][ T5140] BTRFS info (device loop1: state E): balance: canceled
[  141.849519][ T4539] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4539)
[  141.887268][ T4393] BTRFS info (device loop1: state E): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  142.224036][ T5164] loop4: detected capacity change from 0 to 32768
[  142.265703][ T5164] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.145 (5164)
[  142.325745][ T5164] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  142.381327][ T5164] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm
[  142.419568][ T5174] loop0: detected capacity change from 0 to 32768
[  142.441144][ T5164] BTRFS info (device loop4): setting nodatacow, compression disabled
[  142.457050][ T5174] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.147 (5174)
[  142.483304][ T5164] BTRFS info (device loop4): setting datasum, datacow enabled
[  142.513352][ T5164] BTRFS info (device loop4): force clearing of disk cache
[  142.537756][ T5164] BTRFS info (device loop4): turning on sync discard
[  142.581694][ T5177] loop3: detected capacity change from 0 to 32768
[  142.588182][ T5164] BTRFS warning (device loop4): excessive commit interval 43283
[  142.588213][ T5164] BTRFS info (device loop4): enabling ssd optimizations
[  142.588227][ T5164] BTRFS info (device loop4): using spread ssd allocation scheme
[  142.588246][ T5164] BTRFS info (device loop4): not using ssd optimizations
[  142.588259][ T5164] BTRFS info (device loop4): not using spread ssd allocation scheme
[  142.588273][ T5164] BTRFS info (device loop4): using free space tree
[  142.734116][ T5179] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.148 (5179)
[  142.842492][ T5177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.146 (5177)
[  142.921818][ T4539] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4539)
[  143.063344][ T5164] BTRFS info (device loop4): rebuilding free space tree
[  143.156324][   T26] audit: type=1800 audit(1788762535.735:22): pid=5164 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.145" name="file1" dev="loop4" ino=260 res=0 errno=0
[  143.226789][ T5164] BTRFS info (device loop4): balance: start -f -sconvert=raid0,usage=0..1342177280
[  143.286774][ T5164] BTRFS info (device loop4): relocating block group 1048576 flags system
[  143.356526][ T4644] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4644)
[  143.444805][ T4429] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4429)
[  143.456580][ T5207] BTRFS info (device loop4): scrub: started on devid 1
[  143.470184][ T5207] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  143.475638][ T5164] BTRFS info (device loop4): balance: ended with status: 0
[  143.509330][ T5182] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.149 (5182)
2026/09/07 06:28:56 executed programs: 147
[  143.714436][ T4399] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  143.836792][ T4539] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by udevd (4539)
[  144.154312][ T5185] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  144.204618][ T5185] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
[  144.219102][ T5185] BTRFS info (device loop0): setting nodatacow, compression disabled
[  144.239879][ T5185] BTRFS info (device loop0): setting datasum, datacow enabled
[  144.283951][ T5185] BTRFS info (device loop0): force clearing of disk cache
[  144.320769][ T5185] BTRFS info (device loop0): turning on sync discard
[  144.341918][ T5200] set_capacity_and_notify: 3 callbacks suppressed
[  144.341933][ T5200] loop3: detected capacity change from 0 to 32768
[  144.366631][ T5185] BTRFS warning (device loop0): excessive commit interval 43283
[  144.390225][ T5204] loop2: detected capacity change from 0 to 32768
[  144.423799][ T5185] BTRFS info (device loop0): enabling ssd optimizations
[  144.466843][ T5200] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.151 (5200)
[  144.488859][ T5185] BTRFS info (device loop0): using spread ssd allocation scheme
[  144.528774][ T5185] BTRFS info (device loop0): not using ssd optimizations
[  144.549928][ T5204] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.152 (5204)
[  144.603355][ T5185] BTRFS info (device loop0): not using spread ssd allocation scheme
[  144.650155][ T5185] BTRFS info (device loop0): using free space tree
[  144.808495][ T5209] loop1: detected capacity change from 0 to 32768
[  144.840489][ T5209] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.153 (5209)
[  144.934143][ T4429] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4429)
[  144.954027][ T4644] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4644)
[  145.121813][ T5213] loop4: detected capacity change from 0 to 32768
[  145.160934][ T5185] BTRFS info (device loop0): rebuilding free space tree
[  145.218725][ T5213] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.154 (5213)
[  145.238284][   T26] audit: type=1800 audit(1788762537.815:23): pid=5185 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.150" name="file1" dev="loop0" ino=260 res=0 errno=0
[  145.282907][ T5185] BTRFS info (device loop0): balance: start -f -sconvert=raid0,usage=0..1342177280
[  145.312553][ T5185] BTRFS info (device loop0): relocating block group 1048576 flags system
[  145.419429][ T5237] BTRFS info (device loop0): scrub: started on devid 1
[  145.470583][ T5185] BTRFS info (device loop0): balance: ended with status: 0
[  145.523805][ T5237] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  145.628772][ T4430] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4430)
[  145.663572][ T4389] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  145.965822][ T5218] loop2: detected capacity change from 0 to 32768
[  146.001964][ T5218] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.156 (5218)
[  146.031008][ T5217] loop3: detected capacity change from 0 to 32768
[  146.053978][ T5218] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  146.106878][ T5217] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.155 (5217)
[  146.119942][ T5218] BTRFS info (device loop2): using sha256 (sha256-avx2) checksum algorithm
[  146.149571][ T5218] BTRFS info (device loop2): setting nodatacow, compression disabled
[  146.180656][ T5218] BTRFS info (device loop2): setting datasum, datacow enabled
[  146.212415][ T5218] BTRFS info (device loop2): force clearing of disk cache
[  146.241012][ T5218] BTRFS info (device loop2): turning on sync discard
[  146.282306][ T5218] BTRFS warning (device loop2): excessive commit interval 43283
[  146.315375][ T5218] BTRFS info (device loop2): enabling ssd optimizations
[  146.347958][ T5218] BTRFS info (device loop2): using spread ssd allocation scheme
[  146.358128][ T5218] BTRFS info (device loop2): not using ssd optimizations
[  146.400587][ T5218] BTRFS info (device loop2): not using spread ssd allocation scheme
[  146.416284][ T4539] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4539)
[  146.441445][ T5218] BTRFS info (device loop2): using free space tree
[  146.455865][ T5239] loop4: detected capacity change from 0 to 32768
[  146.493081][ T5239] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.157 (5239)
[  146.504703][ T5241] loop1: detected capacity change from 0 to 32768
[  146.609879][ T5241] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.158 (5241)
[  146.937797][ T5245] loop0: detected capacity change from 0 to 32768
[  146.974575][ T5245] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.159 (5245)
[  147.015775][ T5218] BTRFS info (device loop2): rebuilding free space tree
[  147.035879][ T5243] loop3: detected capacity change from 0 to 32768
[  147.056826][ T4430] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4430)
[  147.081512][ T5243] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.160 (5243)
[  147.096287][   T26] audit: type=1800 audit(1788762539.675:24): pid=5218 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.156" name="file1" dev="loop2" ino=260 res=0 errno=0
[  147.155794][ T5218] BTRFS info (device loop2): balance: start -f -sconvert=raid0,usage=0..1342177280
[  147.170778][ T4429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4429)
[  147.192112][ T5271] BTRFS info (device loop2): scrub: started on devid 1
[  147.256339][ T5218] BTRFS info (device loop2): relocating block group 8519680 flags system|raid0
[  147.400261][ T5218] BTRFS info (device loop2): balance: canceled
[  147.441786][ T5271] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  147.449336][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  147.623606][ T4539] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4539)
[  147.641092][ T4394] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  147.963433][ T5259] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.162 (5259)
[  148.038663][ T5254] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.161 (5254)
[  148.059345][ T5259] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  148.126688][ T5259] BTRFS info (device loop1): using sha256 (sha256-avx2) checksum algorithm
[  148.185194][ T5259] BTRFS info (device loop1): setting nodatacow, compression disabled
[  148.193404][ T5259] BTRFS info (device loop1): setting datasum, datacow enabled
[  148.288216][ T5259] BTRFS info (device loop1): force clearing of disk cache
[  148.333755][ T5259] BTRFS info (device loop1): turning on sync discard
[  148.340559][ T5259] BTRFS warning (device loop1): excessive commit interval 43283
[  148.442355][ T5259] BTRFS info (device loop1): enabling ssd optimizations
[  148.454812][ T4429] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4429)
[  148.463696][ T5259] BTRFS info (device loop1): using spread ssd allocation scheme
[  148.472842][ T5259] BTRFS info (device loop1): not using ssd optimizations
[  148.547484][ T5259] BTRFS info (device loop1): not using spread ssd allocation scheme
[  148.572078][ T5270] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.163 (5270)
[  148.582695][ T5259] BTRFS info (device loop1): using free space tree
[  148.640774][ T5273] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.164 (5273)
2026/09/07 06:29:01 executed programs: 160
[  148.893996][ T5276] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.165 (5276)
[  149.038268][ T5259] BTRFS info (device loop1): rebuilding free space tree
[  149.054227][ T5278] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.166 (5278)
[  149.075748][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  149.103755][ T4644] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  149.160247][   T26] audit: type=1800 audit(1788762541.735:25): pid=5259 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.162" name="file1" dev="loop1" ino=260 res=0 errno=0
[  149.214684][ T5259] BTRFS info (device loop1): balance: start -f -sconvert=raid0,usage=0..1342177280
[  149.222092][ T4539] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4539)
[  149.236053][ T5301] BTRFS info (device loop1): scrub: started on devid 1
[  149.294551][ T5259] BTRFS info (device loop1): relocating block group 1048576 flags system
[  149.460487][ T5259] BTRFS: error (device loop1) in btrfs_relocate_chunk:3387: errno=-4 unknown
[  149.544660][ T5259] BTRFS info (device loop1: state E): forced readonly
[  149.551509][ T5259] BTRFS info (device loop1: state E): balance: canceled
[  149.599923][ T5301] BTRFS info (device loop1: state E): scrub: finished on devid 1 with status: 0
[  149.714377][ T4393] BTRFS info (device loop1: state E): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  149.930841][ T5289] set_capacity_and_notify: 6 callbacks suppressed
[  149.930855][ T5289] loop0: detected capacity change from 0 to 32768
[  149.960263][ T5289] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.167 (5289)
[  150.002440][ T5289] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  150.031175][ T5292] loop3: detected capacity change from 0 to 32768
[  150.033482][ T5289] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
[  150.074361][ T5289] BTRFS info (device loop0): setting nodatacow, compression disabled
[  150.093964][ T5292] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.168 (5292)
[  150.134671][ T5289] BTRFS info (device loop0): setting datasum, datacow enabled
[  150.175853][ T5289] BTRFS info (device loop0): force clearing of disk cache
[  150.183031][ T5289] BTRFS info (device loop0): turning on sync discard
[  150.237513][ T5289] BTRFS warning (device loop0): excessive commit interval 43283
[  150.263732][ T5289] BTRFS info (device loop0): enabling ssd optimizations
[  150.291092][ T5289] BTRFS info (device loop0): using spread ssd allocation scheme
[  150.342501][ T5289] BTRFS info (device loop0): not using ssd optimizations
[  150.383023][ T5289] BTRFS info (device loop0): not using spread ssd allocation scheme
[  150.419983][ T4514] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4514)
[  150.423706][ T5289] BTRFS info (device loop0): using free space tree
[  150.542407][ T5305] loop4: detected capacity change from 0 to 32768
[  150.611004][ T5305] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.170 (5305)
[  150.652049][ T5303] loop2: detected capacity change from 0 to 32768
[  150.739402][ T5289] BTRFS info (device loop0): rebuilding free space tree
[  150.739448][ T5303] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.169 (5303)
[  150.837532][   T26] audit: type=1800 audit(1788762543.415:26): pid=5289 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.167" name="file1" dev="loop0" ino=260 res=0 errno=0
[  150.883855][ T5289] BTRFS info (device loop0): balance: start -f -sconvert=raid0,usage=0..1342177280
[  150.922119][ T5289] BTRFS info (device loop0): relocating block group 1048576 flags system
[  151.044553][ T5332] BTRFS info (device loop0): scrub: started on devid 1
[  151.064602][ T5307] loop1: detected capacity change from 0 to 32768
[  151.076876][ T5289] BTRFS info (device loop0): balance: ended with status: 0
[  151.111936][ T5307] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.171 (5307)
[  151.138526][ T5332] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  151.163989][ T4539] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4539)
[  151.201665][ T4514] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4514)
[  151.288569][ T4389] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  151.382857][ T5309] loop3: detected capacity change from 0 to 32768
[  151.500977][ T5309] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.172 (5309)
[  151.554304][ T4429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4429)
[  151.558705][ T5309] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  151.647982][ T5309] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
[  151.697437][ T5309] BTRFS info (device loop3): setting nodatacow, compression disabled
[  151.768903][ T5309] BTRFS info (device loop3): setting datasum, datacow enabled
[  151.805306][ T5329] loop2: detected capacity change from 0 to 32768
[  151.806936][ T5309] BTRFS info (device loop3): force clearing of disk cache
[  151.860748][ T5329] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.174 (5329)
[  151.879111][ T5309] BTRFS info (device loop3): turning on sync discard
[  151.908440][ T5309] BTRFS warning (device loop3): excessive commit interval 43283
[  151.970969][ T5309] BTRFS info (device loop3): enabling ssd optimizations
[  152.010167][ T5309] BTRFS info (device loop3): using spread ssd allocation scheme
[  152.053558][ T5309] BTRFS info (device loop3): not using ssd optimizations
[  152.075190][ T5331] loop4: detected capacity change from 0 to 32768
[  152.103806][ T5309] BTRFS info (device loop3): not using spread ssd allocation scheme
[  152.111857][ T5309] BTRFS info (device loop3): using free space tree
[  152.138844][ T5331] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.173 (5331)
[  152.215585][ T4514] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4514)
[  152.335087][ T4539] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4539)
[  152.431131][ T5309] BTRFS info (device loop3): rebuilding free space tree
[  152.512627][ T5339] loop2: detected capacity change from 0 to 32768
[  152.529254][ T5339] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.177 (5339)
[  152.541083][ T5334] loop1: detected capacity change from 0 to 32768
[  152.570003][ T5334] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.175 (5334)
[  152.581950][   T26] audit: type=1800 audit(1788762545.155:27): pid=5309 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.172" name="file1" dev="loop3" ino=260 res=0 errno=0
[  152.625635][ T5309] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  152.665698][ T5309] BTRFS info (device loop3): relocating block group 1048576 flags system
[  152.873272][ T5359] BTRFS info (device loop3): scrub: started on devid 1
[  152.903016][ T5309] BTRFS info (device loop3): balance: ended with status: 0
[  152.994766][ T4429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4429)
[  153.030559][ T5359] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  153.175578][ T4400] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  153.258726][ T5337] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.176 (5337)
[  153.703398][ T5349] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.178 (5349)
[  153.768045][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  153.784585][ T5349] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  153.838263][ T5349] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm
[  153.890079][ T5349] BTRFS info (device loop4): setting nodatacow, compression disabled
[  153.950800][ T5349] BTRFS info (device loop4): setting datasum, datacow enabled
[  153.975697][ T5361] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.179 (5361)
[  153.981149][ T5349] BTRFS info (device loop4): force clearing of disk cache
2026/09/07 06:29:06 executed programs: 176
[  154.037200][ T5349] BTRFS info (device loop4): turning on sync discard
[  154.074712][ T5349] BTRFS warning (device loop4): excessive commit interval 43283
[  154.125852][ T5349] BTRFS info (device loop4): enabling ssd optimizations
[  154.163598][ T5349] BTRFS info (device loop4): using spread ssd allocation scheme
[  154.183738][ T5349] BTRFS info (device loop4): not using ssd optimizations
[  154.213759][ T5349] BTRFS info (device loop4): not using spread ssd allocation scheme
[  154.268606][ T5349] BTRFS info (device loop4): using free space tree
[  154.277381][ T5364] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.181 (5364)
[  154.338721][ T4429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4429)
[  154.551981][ T5368] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.180 (5368)
[  154.641482][ T5366] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.182 (5366)
[  154.696975][ T5349] BTRFS info (device loop4): rebuilding free space tree
[  154.788095][   T26] audit: type=1800 audit(1788762547.365:28): pid=5349 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.178" name="file1" dev="loop4" ino=260 res=0 errno=0
[  154.818048][ T5349] BTRFS info (device loop4): balance: start -f -sconvert=raid0,usage=0..1342177280
[  154.841249][ T4514] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4514)
[  154.897259][ T5349] BTRFS info (device loop4): relocating block group 1048576 flags system
[  155.012378][ T4430] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4430)
[  155.045421][ T5395] BTRFS info (device loop4): scrub: started on devid 1
[  155.065115][ T5349] BTRFS info (device loop4): balance: ended with status: 0
[  155.100830][ T4644] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4644)
[  155.199039][ T5395] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  155.250257][ T5377] set_capacity_and_notify: 6 callbacks suppressed
[  155.250272][ T5377] loop2: detected capacity change from 0 to 32768
[  155.334164][ T5377] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.184 (5377)
[  155.395270][ T4399] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  155.420100][ T4514] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  155.600365][ T5390] loop3: detected capacity change from 0 to 32768
[  155.637895][ T5371] loop1: detected capacity change from 0 to 32768
[  155.655507][ T5390] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.185 (5390)
[  155.736367][ T5371] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.183 (5371)
[  155.749807][ T5390] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  155.844896][ T5390] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
[  155.901368][ T5390] BTRFS info (device loop3): setting nodatacow, compression disabled
[  155.993249][ T5390] BTRFS info (device loop3): setting datasum, datacow enabled
[  156.001513][ T5394] loop0: detected capacity change from 0 to 32768
[  156.012172][ T5390] BTRFS info (device loop3): force clearing of disk cache
[  156.042300][ T5394] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.186 (5394)
[  156.072096][ T5390] BTRFS info (device loop3): turning on sync discard
[  156.083355][ T4429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4429)
[  156.111015][ T5390] BTRFS warning (device loop3): excessive commit interval 43283
[  156.147159][ T5390] BTRFS info (device loop3): enabling ssd optimizations
[  156.180852][ T5390] BTRFS info (device loop3): using spread ssd allocation scheme
[  156.231470][ T5390] BTRFS info (device loop3): not using ssd optimizations
[  156.248963][ T5390] BTRFS info (device loop3): not using spread ssd allocation scheme
[  156.287961][ T5390] BTRFS info (device loop3): using free space tree
[  156.418944][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  156.621901][ T5390] BTRFS info (device loop3): rebuilding free space tree
[  156.728292][   T26] audit: type=1800 audit(1788762549.305:29): pid=5390 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.185" name="file1" dev="loop3" ino=260 res=0 errno=0
[  156.779680][ T5390] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  156.782294][ T5404] loop0: detected capacity change from 0 to 32768
[  156.813519][ T5422] BTRFS info (device loop3): scrub: started on devid 1
[  156.851141][ T5390] BTRFS info (device loop3): relocating block group 1048576 flags system
[  156.872771][ T5399] loop2: detected capacity change from 0 to 32768
[  156.903220][ T5404] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.190 (5404)
[  156.932256][ T5401] loop4: detected capacity change from 0 to 32768
[  156.952654][ T5399] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.189 (5399)
[  156.999351][ T5401] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.187 (5401)
[  157.031450][ T5397] loop1: detected capacity change from 0 to 32768
[  157.052626][ T5390] BTRFS info (device loop3): balance: ended with status: 0
[  157.056474][ T5422] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  157.129162][ T5397] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.188 (5397)
[  157.261916][ T4400] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  157.480316][ T4539] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by udevd (4539)
[  158.481609][ T5426] loop4: detected capacity change from 0 to 32768
[  158.527598][ T5424] loop2: detected capacity change from 0 to 32768
[  158.565209][ T5426] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  158.598362][ T5424] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.191 (5424)
[  158.603939][ T5426] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm
[  158.676800][ T5426] BTRFS info (device loop4): setting nodatacow, compression disabled
[  158.709634][ T5426] BTRFS info (device loop4): setting datasum, datacow enabled
[  158.717337][ T4430] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  158.719337][ T5426] BTRFS info (device loop4): force clearing of disk cache
[  158.736459][ T5426] BTRFS info (device loop4): turning on sync discard
[  158.746167][ T5426] BTRFS warning (device loop4): excessive commit interval 43283
[  158.749873][ T5432] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.194 (5432)
[  158.756459][ T5426] BTRFS info (device loop4): enabling ssd optimizations
[  158.790120][ T5426] BTRFS info (device loop4): using spread ssd allocation scheme
[  158.803507][ T5426] BTRFS info (device loop4): not using ssd optimizations
[  158.823792][ T5426] BTRFS info (device loop4): not using spread ssd allocation scheme
[  158.830157][ T5429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.193 (5429)
[  158.867437][ T5433] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.195 (5433)
[  158.882261][ T5426] BTRFS info (device loop4): using free space tree
[  159.248001][ T5426] BTRFS info (device loop4): rebuilding free space tree
[  159.284634][ T4429] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4429)
2026/09/07 06:29:11 executed programs: 192
[  159.369210][ T4644] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4644)
[  159.373912][   T26] audit: type=1800 audit(1788762551.945:30): pid=5426 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.192" name="file1" dev="loop4" ino=260 res=0 errno=0
[  159.400128][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  159.446611][ T5463] BTRFS info (device loop4): scrub: started on devid 1
[  159.446615][ T5426] BTRFS info (device loop4): balance: start -f -sconvert=raid0,usage=0..1342177280
[  159.469532][ T5426] BTRFS info (device loop4): relocating block group 1048576 flags system
[  159.678278][ T5442] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.197 (5442)
[  159.720066][ T5463] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  159.722431][ T5426] BTRFS info (device loop4): balance: ended with status: 0
[  159.894281][ T4399] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  160.278196][ T4430] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 18 /dev/loop4 scanned by udevd (4430)
[  160.353315][ T5446] set_capacity_and_notify: 4 callbacks suppressed
[  160.353331][ T5446] loop0: detected capacity change from 0 to 32768
[  160.389394][ T5439] loop3: detected capacity change from 0 to 32768
[  160.412358][ T5446] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 18
[  160.444251][ T5439] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 18
[  160.492053][ T5462] loop2: detected capacity change from 0 to 32768
[  160.552875][ T5462] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 18
[  160.798883][ T4539] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 18
[  160.863012][ T4514] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 18
[  160.966808][ T4429] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 18
[  161.405137][ T5466] loop1: detected capacity change from 0 to 32768
[  161.444317][ T5466] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 18
[  161.462049][ T5467] loop4: detected capacity change from 0 to 32768
[  161.531478][ T5467] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  161.583808][ T5467] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm
[  161.622057][ T5467] BTRFS info (device loop4): setting nodatacow, compression disabled
[  161.643445][ T5467] BTRFS info (device loop4): setting datasum, datacow enabled
[  161.684120][ T5467] BTRFS info (device loop4): force clearing of disk cache
[  161.691297][ T5467] BTRFS info (device loop4): turning on sync discard
[  161.699326][ T5472] loop3: detected capacity change from 0 to 32768
[  161.713160][ T5471] loop0: detected capacity change from 0 to 32768
[  161.740416][ T5467] BTRFS warning (device loop4): excessive commit interval 43283
[  161.740646][ T5474] loop2: detected capacity change from 0 to 32768
[  161.765391][ T5472] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.203 (5472)
[  161.803285][ T4430] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4430)
[  161.809356][ T5467] BTRFS info (device loop4): enabling ssd optimizations
[  161.865900][ T5471] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.202 (5471)
[  161.896825][ T5467] BTRFS info (device loop4): using spread ssd allocation scheme
[  161.914456][ T5474] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.204 (5474)
[  161.959089][ T5467] BTRFS info (device loop4): not using ssd optimizations
[  162.001539][ T5467] BTRFS info (device loop4): not using spread ssd allocation scheme
[  162.055371][ T5467] BTRFS info (device loop4): using free space tree
[  162.311121][ T4429] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4429)
[  162.332259][ T5467] BTRFS info (device loop4): rebuilding free space tree
[  162.404118][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  162.406869][   T26] audit: type=1800 audit(1788762554.985:31): pid=5467 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.200" name="file1" dev="loop4" ino=260 res=0 errno=0
[  162.453901][ T4644] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4644)
[  162.475848][ T5467] BTRFS info (device loop4): balance: start -f -sconvert=raid0,usage=0..1342177280
[  162.515815][ T5467] BTRFS info (device loop4): relocating block group 1048576 flags system
[  162.645243][ T5501] BTRFS info (device loop4): scrub: started on devid 1
[  162.671064][ T5501] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  162.682030][ T5467] BTRFS info (device loop4): balance: ended with status: 0
[  162.692001][ T5476] loop1: detected capacity change from 0 to 32768
[  162.764372][ T5476] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.205 (5476)
[  162.846313][ T4399] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  163.099711][ T5481] loop0: detected capacity change from 0 to 32768
[  163.153909][ T5481] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.207 (5481)
[  163.206605][ T5481] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  163.237944][ T5481] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
[  163.245324][ T4539] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 15 scanned by udevd (4539)
[  163.270924][ T4430] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4430)
[  163.270974][ T5481] BTRFS info (device loop0): setting nodatacow, compression disabled
[  163.313099][ T5478] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.206 (5478)
[  163.386819][ T5481] BTRFS info (device loop0): setting datasum, datacow enabled
[  163.430153][ T5481] BTRFS info (device loop0): force clearing of disk cache
[  163.476999][ T5481] BTRFS info (device loop0): turning on sync discard
[  163.485500][ T5483] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.208 (5483)
[  163.520054][ T5481] BTRFS warning (device loop0): excessive commit interval 43283
[  163.604331][ T5481] BTRFS info (device loop0): enabling ssd optimizations
[  163.622667][ T4514] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4514)
[  163.641555][ T5481] BTRFS info (device loop0): using spread ssd allocation scheme
[  163.698699][ T5481] BTRFS info (device loop0): not using ssd optimizations
[  163.753879][ T5481] BTRFS info (device loop0): not using spread ssd allocation scheme
[  163.761919][ T5481] BTRFS info (device loop0): using free space tree
[  163.866459][ T4429] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4429)
[  164.137991][ T5481] BTRFS info (device loop0): rebuilding free space tree
[  164.272277][   T26] audit: type=1800 audit(1788762556.845:32): pid=5481 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.207" name="file1" dev="loop0" ino=260 res=0 errno=0
[  164.322878][ T5507] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.211 (5507)
[  164.346161][ T5481] BTRFS info (device loop0): balance: start -f -sconvert=raid0,usage=0..1342177280
[  164.347045][ T5528] BTRFS info (device loop0): scrub: started on devid 1
[  164.391434][ T5503] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.210 (5503)
2026/09/07 06:29:17 executed programs: 206
[  164.459684][ T5481] BTRFS info (device loop0): relocating block group 1048576 flags system
[  164.527450][ T5481] BTRFS info (device loop0): balance: canceled
[  164.538624][ T5528] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  164.584833][ T5505] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.209 (5505)
[  164.680627][ T4514] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4514)
[  164.764985][ T4389] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  164.840561][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  164.977390][ T5509] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.212 (5509)
[  165.054213][ T4429] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by udevd (4429)
[  165.751794][ T5532] set_capacity_and_notify: 6 callbacks suppressed
[  165.751810][ T5532] loop1: detected capacity change from 0 to 32768
[  165.784229][ T5531] loop3: detected capacity change from 0 to 32768
[  165.843141][ T5531] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  165.856358][ T5532] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.214 (5532)
[  165.910922][ T5531] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
[  165.953816][ T5531] BTRFS info (device loop3): setting nodatacow, compression disabled
[  165.982396][ T5531] BTRFS info (device loop3): setting datasum, datacow enabled
[  166.033737][ T5531] BTRFS info (device loop3): force clearing of disk cache
[  166.061416][ T5531] BTRFS info (device loop3): turning on sync discard
[  166.083029][ T5534] loop4: detected capacity change from 0 to 32768
[  166.112670][ T5531] BTRFS warning (device loop3): excessive commit interval 43283
[  166.136128][ T5534] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.215 (5534)
[  166.171615][ T5531] BTRFS info (device loop3): enabling ssd optimizations
[  166.189210][ T5531] BTRFS info (device loop3): using spread ssd allocation scheme
[  166.223781][ T5531] BTRFS info (device loop3): not using ssd optimizations
[  166.269654][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  166.284061][ T5531] BTRFS info (device loop3): not using spread ssd allocation scheme
[  166.292531][ T5531] BTRFS info (device loop3): using free space tree
[  166.324290][ T4430] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2
[  166.347004][ T5539] loop2: detected capacity change from 0 to 32768
[  166.382592][ T5538] loop0: detected capacity change from 0 to 32768
[  166.453977][ T5539] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.217 (5539)
[  166.503381][ T5538] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.216 (5538)
[  166.713628][ T5531] BTRFS info (device loop3): rebuilding free space tree
[  166.725416][ T4429] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4429)
[  166.906039][   T26] audit: type=1800 audit(1788762559.485:33): pid=5531 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.213" name="file1" dev="loop3" ino=260 res=0 errno=0
[  166.951751][ T5531] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  166.995932][ T5569] BTRFS info (device loop3): scrub: started on devid 1
[  167.055113][ T5531] BTRFS info (device loop3): relocating block group 1048576 flags system
[  167.067303][ T4644] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4644)
[  167.208754][ T5531] BTRFS: error (device loop3) in btrfs_relocate_chunk:3387: errno=-4 unknown
[  167.249395][ T5569] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  167.301335][ T5531] BTRFS info (device loop3: state E): forced readonly
[  167.350711][ T5531] BTRFS info (device loop3: state E): balance: canceled
[  167.400442][ T4400] BTRFS info (device loop3: state E): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  167.418189][ T5543] loop1: detected capacity change from 0 to 32768
[  167.476107][ T5543] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.218 (5543)
[  167.588624][ T4430] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 13 /dev/loop3 scanned by udevd (4430)
[  167.651695][ T5558] loop0: detected capacity change from 0 to 32768
[  167.703487][ T5558] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 13
[  167.820044][ T5562] loop2: detected capacity change from 0 to 32768
[  167.874727][ T4514] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 13
[  167.924778][ T5562] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 13
[  168.060146][ T4539] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 13
[  168.097982][ T5568] loop4: detected capacity change from 0 to 32768
[  168.165568][ T5568] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 13
[  168.370863][ T4429] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 13
[  168.603569][ T4644] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 13
[  168.910543][ T5571] loop1: detected capacity change from 0 to 32768
[  168.961419][ T5571] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.223 (5571)
[  168.977002][ T5573] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  169.033985][ T5573] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
[  169.082328][ T5573] BTRFS info (device loop3): setting nodatacow, compression disabled
[  169.108770][ T5576] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.224 (5576)
[  169.129427][ T5573] BTRFS info (device loop3): setting datasum, datacow enabled
[  169.163714][ T5573] BTRFS info (device loop3): force clearing of disk cache
[  169.196995][ T5573] BTRFS info (device loop3): turning on sync discard
[  169.239608][ T5573] BTRFS warning (device loop3): excessive commit interval 43283
[  169.268956][ T5573] BTRFS info (device loop3): enabling ssd optimizations
[  169.276784][ T5578] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.225 (5578)
[  169.296428][ T5573] BTRFS info (device loop3): using spread ssd allocation scheme
[  169.326380][ T5573] BTRFS info (device loop3): not using ssd optimizations
[  169.379842][ T5573] BTRFS info (device loop3): not using spread ssd allocation scheme
[  169.400104][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  169.424075][ T5573] BTRFS info (device loop3): using free space tree
[  169.617897][ T4429] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4429)
[  169.725510][ T5580] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.226 (5580)
[  169.833324][ T4430] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4430)
2026/09/07 06:29:22 executed programs: 223
[  170.035633][ T5573] BTRFS info (device loop3): rebuilding free space tree
[  170.102655][   T26] audit: type=1800 audit(1788762562.675:34): pid=5573 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.222" name="file1" dev="loop3" ino=260 res=0 errno=0
[  170.165880][ T5573] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  170.187561][ T4644] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4644)
[  170.217392][ T5573] BTRFS info (device loop3): relocating block group 1048576 flags system
[  170.357188][ T5573] BTRFS info (device loop3): balance: ended with status: 0
[  170.358692][ T5607] BTRFS info (device loop3): scrub: started on devid 1
[  170.422792][ T5607] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  170.434329][ T5584] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.228 (5584)
[  170.564519][ T4400] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  170.614703][ T5582] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.227 (5582)
[  170.876974][ T4514] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by udevd (4514)
[  171.102880][ T5604] set_capacity_and_notify: 6 callbacks suppressed
[  171.102896][ T5604] loop4: detected capacity change from 0 to 32768
[  171.207464][ T5604] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  171.263540][ T5604] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm
[  171.324539][ T5604] BTRFS info (device loop4): setting nodatacow, compression disabled
[  171.332677][ T5604] BTRFS info (device loop4): setting datasum, datacow enabled
[  171.411917][ T5604] BTRFS info (device loop4): force clearing of disk cache
[  171.464190][ T5604] BTRFS info (device loop4): turning on sync discard
[  171.470991][ T5604] BTRFS warning (device loop4): excessive commit interval 43283
[  171.535544][ T5604] BTRFS info (device loop4): enabling ssd optimizations
[  171.583308][ T5604] BTRFS info (device loop4): using spread ssd allocation scheme
[  171.602960][ T5609] loop2: detected capacity change from 0 to 32768
[  171.624721][ T5604] BTRFS info (device loop4): not using ssd optimizations
[  171.654509][ T5609] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.231 (5609)
[  171.673802][ T5604] BTRFS info (device loop4): not using spread ssd allocation scheme
[  171.681968][ T5604] BTRFS info (device loop4): using free space tree
[  171.779709][ T5612] loop0: detected capacity change from 0 to 32768
[  171.874674][ T5612] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.232 (5612)
[  171.956623][ T4644] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4644)
[  172.062849][ T5614] loop1: detected capacity change from 0 to 32768
[  172.169415][ T5614] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.234 (5614)
[  172.206863][ T5604] BTRFS info (device loop4): rebuilding free space tree
[  172.217444][ T5616] loop3: detected capacity change from 0 to 32768
[  172.271191][ T5616] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.233 (5616)
[  172.298743][   T26] audit: type=1800 audit(1788762564.875:35): pid=5604 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.230" name="file1" dev="loop4" ino=260 res=0 errno=0
[  172.353208][ T5604] BTRFS info (device loop4): balance: start -f -sconvert=raid0,usage=0..1342177280
[  172.371670][ T5642] BTRFS info (device loop4): scrub: started on devid 1
[  172.433441][ T5604] BTRFS info (device loop4): relocating block group 1048576 flags system
[  172.619602][ T5604] BTRFS info (device loop4): balance: ended with status: 0
[  172.634559][ T5642] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  172.689938][ T4430] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4430)
[  172.752942][ T4399] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  173.157679][ T5629] loop2: detected capacity change from 0 to 32768
[  173.189295][ T5629] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.235 (5629)
[  173.260174][ T5644] loop0: detected capacity change from 0 to 32768
[  173.280592][ T5629] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  173.299849][ T5629] BTRFS info (device loop2): using sha256 (sha256-avx2) checksum algorithm
[  173.329997][ T5644] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.236 (5644)
[  173.363942][ T5629] BTRFS info (device loop2): setting nodatacow, compression disabled
[  173.393936][ T5629] BTRFS info (device loop2): setting datasum, datacow enabled
[  173.403327][ T5629] BTRFS info (device loop2): force clearing of disk cache
[  173.439301][ T5629] BTRFS info (device loop2): turning on sync discard
[  173.468930][ T5629] BTRFS warning (device loop2): excessive commit interval 43283
[  173.502050][ T5629] BTRFS info (device loop2): enabling ssd optimizations
[  173.507812][ T5646] loop3: detected capacity change from 0 to 32768
[  173.542590][ T5629] BTRFS info (device loop2): using spread ssd allocation scheme
[  173.569850][ T5646] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.237 (5646)
[  173.581720][ T5629] BTRFS info (device loop2): not using ssd optimizations
[  173.626048][ T5629] BTRFS info (device loop2): not using spread ssd allocation scheme
[  173.660897][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  173.677960][ T5629] BTRFS info (device loop2): using free space tree
[  173.696946][ T5648] loop1: detected capacity change from 0 to 32768
[  173.751255][ T5648] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.238 (5648)
[  173.911676][ T5653] loop0: detected capacity change from 0 to 32768
[  173.944767][ T5653] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.240 (5653)
[  174.086628][ T4539] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4539)
[  174.207412][ T5629] BTRFS info (device loop2): rebuilding free space tree
[  174.303300][   T26] audit: type=1800 audit(1788762566.875:36): pid=5629 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.235" name="file1" dev="loop2" ino=260 res=0 errno=0
[  174.345309][ T5629] BTRFS info (device loop2): balance: start -f -sconvert=raid0,usage=0..1342177280
[  174.377886][ T5678] BTRFS info (device loop2): scrub: started on devid 1
[  174.451748][ T5650] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.239 (5650)
[  174.467455][ T5629] BTRFS info (device loop2): relocating block group 1048576 flags system
[  174.503295][ T4429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4429)
[  174.611789][ T5629] BTRFS: error (device loop2) in btrfs_relocate_chunk:3387: errno=-4 unknown
[  174.642877][ T5678] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  174.661470][ T5629] BTRFS info (device loop2: state E): forced readonly
[  174.694144][ T5629] BTRFS info (device loop2: state E): balance: canceled
[  174.816635][ T4394] BTRFS info (device loop2: state E): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  174.871971][ T4644] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4644)
[  175.151999][ T5657] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.241 (5657)
[  175.251351][ T5671] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.242 (5671)
[  175.264080][ T5657] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  175.319151][ T5657] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
2026/09/07 06:29:27 executed programs: 239
[  175.383919][ T5657] BTRFS info (device loop3): setting nodatacow, compression disabled
[  175.392052][ T5657] BTRFS info (device loop3): setting datasum, datacow enabled
[  175.477142][ T5657] BTRFS info (device loop3): force clearing of disk cache
[  175.502963][ T5677] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.243 (5677)
[  175.509693][ T5657] BTRFS info (device loop3): turning on sync discard
[  175.562897][ T5657] BTRFS warning (device loop3): excessive commit interval 43283
[  175.589230][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  175.626302][ T5657] BTRFS info (device loop3): enabling ssd optimizations
[  175.653632][ T5657] BTRFS info (device loop3): using spread ssd allocation scheme
[  175.681437][ T5657] BTRFS info (device loop3): not using ssd optimizations
[  175.709379][ T5657] BTRFS info (device loop3): not using spread ssd allocation scheme
[  175.763297][ T5657] BTRFS info (device loop3): using free space tree
[  175.900889][ T5681] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.244 (5681)
[  176.007537][ T4429] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4429)
[  176.069080][ T5684] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.245 (5684)
[  176.173130][ T5657] BTRFS info (device loop3): rebuilding free space tree
[  176.303490][   T26] audit: type=1800 audit(1788762568.875:37): pid=5657 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.241" name="file1" dev="loop3" ino=260 res=0 errno=0
[  176.345606][ T5657] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  176.378194][ T4430] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4430)
[  176.396675][ T5657] BTRFS info (device loop3): relocating block group 1048576 flags system
[  176.444845][ T4644] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4644)
[  176.521705][ T5712] BTRFS info (device loop3): scrub: started on devid 1
[  176.559552][ T5657] BTRFS info (device loop3): balance: ended with status: 0
[  176.592889][ T5689] set_capacity_and_notify: 6 callbacks suppressed
[  176.592904][ T5689] loop0: detected capacity change from 0 to 32768
[  176.659909][ T5687] loop1: detected capacity change from 0 to 32768
[  176.681325][ T5712] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  176.723823][ T5687] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.246 (5687)
[  176.790923][ T5689] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.247 (5689)
[  176.869841][ T4400] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  177.269235][ T4539] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by udevd (4539)
[  177.372058][ T5710] loop2: detected capacity change from 0 to 32768
[  177.482437][ T5710] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  177.487487][ T5711] loop4: detected capacity change from 0 to 32768
[  177.534838][ T5710] BTRFS info (device loop2): using sha256 (sha256-avx2) checksum algorithm
[  177.543552][ T5710] BTRFS info (device loop2): setting nodatacow, compression disabled
[  177.591608][ T5711] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.248 (5711)
[  177.658958][ T5710] BTRFS info (device loop2): setting datasum, datacow enabled
[  177.720481][ T5710] BTRFS info (device loop2): force clearing of disk cache
[  177.772341][ T5710] BTRFS info (device loop2): turning on sync discard
[  177.829984][ T5710] BTRFS warning (device loop2): excessive commit interval 43283
[  177.879438][ T5710] BTRFS info (device loop2): enabling ssd optimizations
[  177.913992][ T5710] BTRFS info (device loop2): using spread ssd allocation scheme
[  177.956523][ T5710] BTRFS info (device loop2): not using ssd optimizations
[  178.000889][ T4644] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4644)
[  178.021311][ T5710] BTRFS info (device loop2): not using spread ssd allocation scheme
[  178.050325][ T5710] BTRFS info (device loop2): using free space tree
[  178.165687][ T5714] loop1: detected capacity change from 0 to 32768
[  178.228884][ T5714] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.250 (5714)
[  178.288493][ T5716] loop0: detected capacity change from 0 to 32768
[  178.376063][ T5716] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.252 (5716)
[  178.474500][ T5719] loop3: detected capacity change from 0 to 32768
[  178.494538][ T5719] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.251 (5719)
[  178.755162][ T5710] BTRFS info (device loop2): rebuilding free space tree
[  178.877503][   T26] audit: type=1800 audit(1788762571.455:38): pid=5710 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.249" name="file1" dev="loop2" ino=260 res=0 errno=0
[  178.882378][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  178.925969][ T5710] BTRFS info (device loop2): balance: start -f -sconvert=raid0,usage=0..1342177280
[  178.960691][ T5748] BTRFS info (device loop2): scrub: started on devid 1
[  179.004702][ T5710] BTRFS info (device loop2): relocating block group 1048576 flags system
[  179.013774][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  179.040943][ T4429] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4429)
[  179.070148][ T5723] loop4: detected capacity change from 0 to 32768
[  179.123878][ T5723] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.253 (5723)
[  179.224384][ T5710] BTRFS info (device loop2): balance: ended with status: 0
[  179.228149][ T5748] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  179.416335][ T4394] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  179.530771][ T4644] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4644)
[  179.881022][ T5743] loop0: detected capacity change from 0 to 32768
[  179.929617][ T5743] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.255 (5743)
[  180.000327][ T5743] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  180.052805][ T5743] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
[  180.084713][ T5743] BTRFS info (device loop0): setting nodatacow, compression disabled
[  180.153856][ T5743] BTRFS info (device loop0): setting datasum, datacow enabled
[  180.174068][ T5747] loop3: detected capacity change from 0 to 32768
[  180.181750][ T5743] BTRFS info (device loop0): force clearing of disk cache
[  180.205635][ T5743] BTRFS info (device loop0): turning on sync discard
[  180.206198][ T5747] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.256 (5747)
[  180.243583][ T5743] BTRFS warning (device loop0): excessive commit interval 43283
[  180.280090][ T5743] BTRFS info (device loop0): enabling ssd optimizations
[  180.306480][ T5743] BTRFS info (device loop0): using spread ssd allocation scheme
[  180.336418][ T5743] BTRFS info (device loop0): not using ssd optimizations
[  180.343501][ T5743] BTRFS info (device loop0): not using spread ssd allocation scheme
[  180.403052][ T5743] BTRFS info (device loop0): using free space tree
[  180.510627][ T5752] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.258 (5752)
[  180.583384][ T5750] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.257 (5750)
2026/09/07 06:29:33 executed programs: 254
[  180.719988][ T4539] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4539)
[  180.786356][ T5755] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.259 (5755)
[  180.919800][ T5743] BTRFS info (device loop0): rebuilding free space tree
[  180.992457][   T26] audit: type=1800 audit(1788762573.565:39): pid=5743 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.255" name="file1" dev="loop0" ino=260 res=0 errno=0
[  181.012022][ T5743] BTRFS info (device loop0): balance: start -f -sconvert=raid0,usage=0..1342177280
[  181.082857][ T5743] BTRFS info (device loop0): relocating block group 1048576 flags system
[  181.106044][ T4429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4429)
[  181.180779][ T4644] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4644)
[  181.270469][ T4430] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4430)
[  181.281558][ T5782] BTRFS info (device loop0): scrub: started on devid 1
[  181.282526][ T5743] BTRFS info (device loop0): balance: ended with status: 0
[  181.353390][ T5782] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  181.558711][ T4389] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  181.831991][ T5758] set_capacity_and_notify: 3 callbacks suppressed
[  181.832008][ T5758] loop3: detected capacity change from 0 to 32768
[  181.900547][ T5758] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.260 (5758)
[  181.947307][ T5758] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  181.981921][ T5758] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
[  182.024896][ T5758] BTRFS info (device loop3): setting nodatacow, compression disabled
[  182.053504][ T5758] BTRFS info (device loop3): setting datasum, datacow enabled
[  182.113027][ T5758] BTRFS info (device loop3): force clearing of disk cache
[  182.143456][ T5758] BTRFS info (device loop3): turning on sync discard
[  182.155214][ T5777] loop4: detected capacity change from 0 to 32768
[  182.181141][ T5758] BTRFS warning (device loop3): excessive commit interval 43283
[  182.208720][ T5777] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.262 (5777)
[  182.229134][ T5781] loop2: detected capacity change from 0 to 32768
[  182.230399][ T5758] BTRFS info (device loop3): enabling ssd optimizations
[  182.291957][ T5781] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.263 (5781)
[  182.324108][ T5758] BTRFS info (device loop3): using spread ssd allocation scheme
[  182.394739][ T5758] BTRFS info (device loop3): not using ssd optimizations
[  182.401829][ T5758] BTRFS info (device loop3): not using spread ssd allocation scheme
[  182.472452][ T5758] BTRFS info (device loop3): using free space tree
[  182.624978][ T5785] loop1: detected capacity change from 0 to 32768
[  182.657364][ T5785] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.265 (5785)
[  182.722030][ T4430] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4430)
[  182.751906][ T5758] BTRFS info (device loop3): rebuilding free space tree
[  182.847582][   T26] audit: type=1800 audit(1788762575.425:40): pid=5758 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.260" name="file1" dev="loop3" ino=260 res=0 errno=0
[  182.870171][ T4429] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4429)
[  182.952407][ T5758] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  183.005795][ T5758] BTRFS info (device loop3): relocating block group 1048576 flags system
[  183.105607][ T5758] BTRFS info (device loop3): balance: canceled
[  183.105617][ T5812] BTRFS info (device loop3): scrub: started on devid 1
[  183.219320][ T4514] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4514)
[  183.239195][ T5812] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  183.270713][ T5787] loop0: detected capacity change from 0 to 32768
[  183.340696][ T5787] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.264 (5787)
[  183.364179][ T4400] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  183.796763][ T4644] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by udevd (4644)
[  183.817593][ T5792] loop2: detected capacity change from 0 to 32768
[  183.893561][ T5792] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  183.952396][ T5792] BTRFS info (device loop2): using sha256 (sha256-avx2) checksum algorithm
[  183.975117][ T5811] loop1: detected capacity change from 0 to 32768
[  184.012128][ T5811] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.268 (5811)
[  184.013816][ T5792] BTRFS info (device loop2): setting nodatacow, compression disabled
[  184.099754][ T5792] BTRFS info (device loop2): setting datasum, datacow enabled
[  184.146674][ T5792] BTRFS info (device loop2): force clearing of disk cache
[  184.207038][ T5792] BTRFS info (device loop2): turning on sync discard
[  184.228254][ T5792] BTRFS warning (device loop2): excessive commit interval 43283
[  184.273844][ T5792] BTRFS info (device loop2): enabling ssd optimizations
[  184.280847][ T5792] BTRFS info (device loop2): using spread ssd allocation scheme
[  184.389103][ T4514] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4514)
[  184.398547][ T5792] BTRFS info (device loop2): not using ssd optimizations
[  184.438818][ T5792] BTRFS info (device loop2): not using spread ssd allocation scheme
[  184.458810][ T5792] BTRFS info (device loop2): using free space tree
[  184.590782][ T5815] loop4: detected capacity change from 0 to 32768
[  184.642468][ T5815] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.269 (5815)
[  184.751671][ T5819] loop3: detected capacity change from 0 to 32768
[  184.767484][ T5817] loop0: detected capacity change from 0 to 32768
[  184.840354][ T5817] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.271 (5817)
[  184.855830][ T5792] BTRFS info (device loop2): rebuilding free space tree
[  184.928421][ T5819] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.270 (5819)
[  184.943189][   T26] audit: type=1800 audit(1788762577.525:41): pid=5792 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.267" name="file1" dev="loop2" ino=260 res=0 errno=0
[  184.998986][ T5792] BTRFS info (device loop2): balance: start -f -sconvert=raid0,usage=0..1342177280
[  185.025132][ T5845] BTRFS info (device loop2): scrub: started on devid 1
[  185.086553][ T5792] BTRFS info (device loop2): relocating block group 1048576 flags system
[  185.144451][ T4539] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4539)
[  185.283979][ T5822] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.272 (5822)
[  185.289190][ T5792] BTRFS info (device loop2): balance: ended with status: 0
[  185.346939][ T4429] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4429)
[  185.368456][ T5845] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  185.384931][ T4644] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4644)
[  185.489817][ T4394] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  185.696800][ T4514] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by udevd (4514)
[  186.190727][ T5837] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  186.254962][ T5844] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.274 (5844)
[  186.266065][ T5837] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm
[  186.283761][ T5837] BTRFS info (device loop4): setting nodatacow, compression disabled
[  186.291887][ T5837] BTRFS info (device loop4): setting datasum, datacow enabled
[  186.354028][ T5837] BTRFS info (device loop4): force clearing of disk cache
2026/09/07 06:29:38 executed programs: 271
[  186.403768][ T5837] BTRFS info (device loop4): turning on sync discard
[  186.411268][ T5837] BTRFS warning (device loop4): excessive commit interval 43283
[  186.454767][ T5837] BTRFS info (device loop4): enabling ssd optimizations
[  186.462222][ T5837] BTRFS info (device loop4): using spread ssd allocation scheme
[  186.504733][ T5847] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.275 (5847)
[  186.546240][ T5837] BTRFS info (device loop4): not using ssd optimizations
[  186.553329][ T5837] BTRFS info (device loop4): not using spread ssd allocation scheme
[  186.623878][ T5837] BTRFS info (device loop4): using free space tree
[  186.688913][ T5849] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.276 (5849)
[  186.789269][ T4644] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4644)
[  186.801224][ T4429] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4429)
[  186.987507][ T5852] set_capacity_and_notify: 5 callbacks suppressed
[  186.987523][ T5852] loop2: detected capacity change from 0 to 32768
[  187.018284][ T5852] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.277 (5852)
[  187.106557][ T5837] BTRFS info (device loop4): rebuilding free space tree
[  187.186956][ T5855] loop0: detected capacity change from 0 to 32768
[  187.222255][   T26] audit: type=1800 audit(1788762579.795:42): pid=5837 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.273" name="file1" dev="loop4" ino=260 res=0 errno=0
[  187.249378][ T5855] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.278 (5855)
[  187.270813][ T5837] BTRFS info (device loop4): balance: start -f -sconvert=raid0,usage=0..1342177280
[  187.305512][ T5837] BTRFS info (device loop4): relocating block group 1048576 flags system
[  187.465784][ T5878] BTRFS info (device loop4): scrub: started on devid 1
[  187.491325][ T5837] BTRFS info (device loop4): balance: ended with status: 0
[  187.563273][ T4644] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4644)
[  187.579785][ T5878] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  187.660591][ T4399] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  187.940310][ T5862] loop3: detected capacity change from 0 to 32768
[  188.005552][ T5862] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.279 (5862)
[  188.094001][ T5862] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  188.125750][ T5862] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
[  188.165239][ T5862] BTRFS info (device loop3): setting nodatacow, compression disabled
[  188.194355][ T5862] BTRFS info (device loop3): setting datasum, datacow enabled
[  188.232642][ T5862] BTRFS info (device loop3): force clearing of disk cache
[  188.263023][ T5862] BTRFS info (device loop3): turning on sync discard
[  188.296933][ T5862] BTRFS warning (device loop3): excessive commit interval 43283
[  188.323719][ T5862] BTRFS info (device loop3): enabling ssd optimizations
[  188.331894][ T5877] loop2: detected capacity change from 0 to 32768
[  188.340497][ T5880] loop1: detected capacity change from 0 to 32768
[  188.353696][ T5862] BTRFS info (device loop3): using spread ssd allocation scheme
[  188.373800][ T5862] BTRFS info (device loop3): not using ssd optimizations
[  188.380882][ T5862] BTRFS info (device loop3): not using spread ssd allocation scheme
[  188.387940][ T5877] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.280 (5877)
[  188.433694][ T5862] BTRFS info (device loop3): using free space tree
[  188.471941][ T5880] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.281 (5880)
[  188.758921][ T4430] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4430)
[  188.840537][ T5862] BTRFS info (device loop3): rebuilding free space tree
[  188.938433][   T26] audit: type=1800 audit(1788762581.515:43): pid=5862 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.279" name="file1" dev="loop3" ino=260 res=0 errno=0
[  188.944445][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  188.991089][ T5882] loop0: detected capacity change from 0 to 32768
[  189.001200][ T5862] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  189.011526][ T5907] BTRFS info (device loop3): scrub: started on devid 1
[  189.090489][ T5862] BTRFS info (device loop3): relocating block group 1048576 flags system
[  189.110791][ T5882] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.283 (5882)
[  189.119586][ T5892] loop2: detected capacity change from 0 to 32768
[  189.187963][ T5884] loop4: detected capacity change from 0 to 32768
[  189.207397][ T5892] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.284 (5892)
[  189.268165][ T5862] BTRFS info (device loop3): balance: ended with status: 0
[  189.287369][ T5884] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.282 (5884)
[  189.334314][ T5907] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  189.464013][ T4400] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  189.479965][ T4429] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4429)
[  189.686096][ T4430] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by udevd (4430)
[  189.960777][ T5902] loop1: detected capacity change from 0 to 32768
[  190.039236][ T5902] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  190.098984][ T5902] BTRFS info (device loop1): using sha256 (sha256-avx2) checksum algorithm
[  190.158575][ T5902] BTRFS info (device loop1): setting nodatacow, compression disabled
[  190.233614][ T5902] BTRFS info (device loop1): setting datasum, datacow enabled
[  190.287215][ T5902] BTRFS info (device loop1): force clearing of disk cache
[  190.333813][ T5902] BTRFS info (device loop1): turning on sync discard
[  190.373816][ T5902] BTRFS warning (device loop1): excessive commit interval 43283
[  190.418835][ T5902] BTRFS info (device loop1): enabling ssd optimizations
[  190.463794][ T5902] BTRFS info (device loop1): using spread ssd allocation scheme
[  190.504070][ T5902] BTRFS info (device loop1): not using ssd optimizations
[  190.511153][ T5902] BTRFS info (device loop1): not using spread ssd allocation scheme
[  190.580337][ T5902] BTRFS info (device loop1): using free space tree
[  190.747693][ T5914] loop4: detected capacity change from 0 to 32768
[  190.791398][ T5911] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.287 (5911)
[  190.837918][ T5909] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.286 (5909)
[  190.883011][ T5914] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.288 (5914)
[  190.934769][ T5916] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.289 (5916)
[  191.110723][ T5902] BTRFS info (device loop1): rebuilding free space tree
[  191.202131][   T26] audit: type=1800 audit(1788762583.775:44): pid=5902 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.285" name="file1" dev="loop1" ino=260 res=0 errno=0
[  191.262431][ T5902] BTRFS info (device loop1): balance: start -f -sconvert=raid0,usage=0..1342177280
[  191.313133][ T5945] BTRFS info (device loop1): scrub: started on devid 1
[  191.336649][ T4514] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4514)
[  191.409121][ T5902] BTRFS info (device loop1): balance: canceled
[  191.434241][ T4429] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4429)
[  191.513473][ T4644] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4644)
[  191.534575][ T5945] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
2026/09/07 06:29:44 executed programs: 287
[  191.679701][ T4393] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  192.187386][ T5944] set_capacity_and_notify: 3 callbacks suppressed
[  192.187403][ T5944] loop2: detected capacity change from 0 to 32768
[  192.229635][ T5944] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.293 (5944)
[  192.324874][ T5937] loop4: detected capacity change from 0 to 32768
[  192.336132][ T5944] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  192.350879][ T5941] loop3: detected capacity change from 0 to 32768
[  192.371874][ T5937] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.291 (5937)
[  192.385603][ T5944] BTRFS info (device loop2): using sha256 (sha256-avx2) checksum algorithm
[  192.437581][ T5944] BTRFS info (device loop2): setting nodatacow, compression disabled
[  192.438523][ T5941] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.292 (5941)
[  192.465277][ T5938] loop0: detected capacity change from 0 to 32768
[  192.505260][ T5944] BTRFS info (device loop2): setting datasum, datacow enabled
[  192.529541][ T5944] BTRFS info (device loop2): force clearing of disk cache
[  192.543194][ T5938] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.290 (5938)
[  192.577570][ T5944] BTRFS info (device loop2): turning on sync discard
[  192.618146][ T5944] BTRFS warning (device loop2): excessive commit interval 43283
[  192.657297][ T5944] BTRFS info (device loop2): enabling ssd optimizations
[  192.693770][ T5944] BTRFS info (device loop2): using spread ssd allocation scheme
[  192.743739][ T5944] BTRFS info (device loop2): not using ssd optimizations
[  192.750824][ T5944] BTRFS info (device loop2): not using spread ssd allocation scheme
[  192.768407][ T4514] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4514)
[  192.829428][ T5944] BTRFS info (device loop2): using free space tree
[  192.863282][ T4429] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4429)
[  192.923240][ T4644] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4644)
[  193.330492][ T5950] loop4: detected capacity change from 0 to 32768
[  193.338620][ T5948] loop1: detected capacity change from 0 to 32768
[  193.340247][ T5944] BTRFS info (device loop2): rebuilding free space tree
[  193.359812][ T5950] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.295 (5950)
[  193.409976][ T5948] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.294 (5948)
[  193.426042][   T26] audit: type=1800 audit(1788762586.005:45): pid=5944 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.2.293" name="file1" dev="loop2" ino=260 res=0 errno=0
[  193.487768][ T5944] BTRFS info (device loop2): balance: start -f -sconvert=raid0,usage=0..1342177280
[  193.501690][ T5974] BTRFS info (device loop2): scrub: started on devid 1
[  193.578132][ T5944] BTRFS info (device loop2): relocating block group 1048576 flags system
[  193.621921][ T5953] loop3: detected capacity change from 0 to 32768
[  193.655588][ T5953] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.296 (5953)
[  193.691180][ T5944] BTRFS info (device loop2): balance: canceled
[  193.694452][ T5974] BTRFS info (device loop2): scrub: finished on devid 1 with status: 0
[  193.735044][ T4514] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4514)
[  193.811198][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  193.853302][ T5955] loop0: detected capacity change from 0 to 32768
[  193.870053][ T4394] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  193.929001][ T5955] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.297 (5955)
[  194.091993][ T4430] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by udevd (4430)
[  194.156614][ T1280] ieee802154 phy0 wpan0: encryption failed: -22
[  194.162958][ T1280] ieee802154 phy1 wpan1: encryption failed: -22
[  194.813016][ T5976] loop4: detected capacity change from 0 to 32768
[  194.823534][ T5977] loop1: detected capacity change from 0 to 32768
[  194.874519][ T5976] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  194.885617][ T5977] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.299 (5977)
[  194.939604][ T5976] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm
[  194.982213][ T5979] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.300 (5979)
[  194.993973][ T5976] BTRFS info (device loop4): setting nodatacow, compression disabled
[  195.022545][ T5976] BTRFS info (device loop4): setting datasum, datacow enabled
[  195.055753][ T5976] BTRFS info (device loop4): force clearing of disk cache
[  195.098084][ T5976] BTRFS info (device loop4): turning on sync discard
[  195.128614][ T5976] BTRFS warning (device loop4): excessive commit interval 43283
[  195.159042][ T5976] BTRFS info (device loop4): enabling ssd optimizations
[  195.203746][ T5976] BTRFS info (device loop4): using spread ssd allocation scheme
[  195.261190][ T4514] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4514)
[  195.276992][ T5976] BTRFS info (device loop4): not using ssd optimizations
[  195.307505][ T5976] BTRFS info (device loop4): not using spread ssd allocation scheme
[  195.348857][ T5976] BTRFS info (device loop4): using free space tree
[  195.370859][ T5981] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.302 (5981)
[  195.514136][ T5985] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.301 (5985)
[  195.809668][ T5976] BTRFS info (device loop4): rebuilding free space tree
[  195.954996][   T26] audit: type=1800 audit(1788762588.535:46): pid=5976 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.298" name="file1" dev="loop4" ino=260 res=0 errno=0
[  196.013968][ T5976] BTRFS info (device loop4): balance: start -f -sconvert=raid0,usage=0..1342177280
[  196.029659][ T6012] BTRFS info (device loop4): scrub: started on devid 1
[  196.107248][ T5976] BTRFS info (device loop4): relocating block group 1048576 flags system
[  196.152382][ T4430] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4430)
[  196.251549][ T5987] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.303 (5987)
[  196.273760][ T6012] BTRFS info (device loop4): scrub: finished on devid 1 with status: 0
[  196.275535][ T5976] BTRFS info (device loop4): balance: ended with status: 0
[  196.493184][ T4399] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  196.648817][ T4514] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4514)
[  196.823804][ T5999] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.304 (5999)
[  196.911947][ T4539] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 15 scanned by udevd (4539)
[  196.927651][ T5999] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  196.941756][ T6004] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.306 (6004)
[  196.973253][ T5999] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
2026/09/07 06:29:49 executed programs: 303
[  197.018827][ T5999] BTRFS info (device loop3): setting nodatacow, compression disabled
[  197.070694][ T5999] BTRFS info (device loop3): setting datasum, datacow enabled
[  197.111191][ T5999] BTRFS info (device loop3): force clearing of disk cache
[  197.163978][ T5999] BTRFS info (device loop3): turning on sync discard
[  197.177435][ T5999] BTRFS warning (device loop3): excessive commit interval 43283
[  197.207524][ T5999] BTRFS info (device loop3): enabling ssd optimizations
[  197.246863][ T4644] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4644)
[  197.263743][ T5999] BTRFS info (device loop3): using spread ssd allocation scheme
[  197.291840][ T5999] BTRFS info (device loop3): not using ssd optimizations
[  197.339270][ T5999] BTRFS info (device loop3): not using spread ssd allocation scheme
[  197.380927][ T5999] BTRFS info (device loop3): using free space tree
[  197.480927][ T6015] set_capacity_and_notify: 6 callbacks suppressed
[  197.480943][ T6015] loop1: detected capacity change from 0 to 32768
[  197.553943][ T6015] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.308 (6015)
[  197.606701][ T6016] loop2: detected capacity change from 0 to 32768
[  197.650619][ T6016] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.307 (6016)
[  197.732098][ T6018] loop4: detected capacity change from 0 to 32768
[  197.777119][ T6018] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.309 (6018)
[  197.892965][ T5999] BTRFS info (device loop3): rebuilding free space tree
[  197.952960][ T4430] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4430)
[  198.003877][ T6020] loop0: detected capacity change from 0 to 32768
[  198.035492][   T26] audit: type=1800 audit(1788762590.615:47): pid=5999 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.304" name="file1" dev="loop3" ino=260 res=0 errno=0
[  198.060915][ T5999] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  198.070662][ T6020] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.310 (6020)
[  198.117561][ T5999] BTRFS info (device loop3): relocating block group 1048576 flags system
[  198.213890][ T4514] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4514)
[  198.301607][ T6045] BTRFS info (device loop3): scrub: started on devid 1
[  198.302739][ T5999] BTRFS info (device loop3): balance: ended with status: 0
[  198.335586][ T4539] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4539)
[  198.394971][ T6045] BTRFS info (device loop3): scrub: finished on devid 1 with status: 0
[  198.566720][ T4400] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  198.598106][ T4644] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4644)
[  199.028971][ T6037] loop1: detected capacity change from 0 to 32768
[  199.073906][ T6037] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.311 (6037)
[  199.128962][ T6044] loop4: detected capacity change from 0 to 32768
[  199.171914][ T6037] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  199.196402][ T6044] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.313 (6044)
[  199.221636][ T6037] BTRFS info (device loop1): using sha256 (sha256-avx2) checksum algorithm
[  199.282923][ T6043] loop2: detected capacity change from 0 to 32768
[  199.289861][ T6037] BTRFS info (device loop1): setting nodatacow, compression disabled
[  199.331946][ T6043] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.312 (6043)
[  199.353820][ T6037] BTRFS info (device loop1): setting datasum, datacow enabled
[  199.375606][ T6037] BTRFS info (device loop1): force clearing of disk cache
[  199.389232][ T6037] BTRFS info (device loop1): turning on sync discard
[  199.410238][ T6037] BTRFS warning (device loop1): excessive commit interval 43283
[  199.453923][ T6037] BTRFS info (device loop1): enabling ssd optimizations
[  199.460923][ T6037] BTRFS info (device loop1): using spread ssd allocation scheme
[  199.510318][ T6047] loop0: detected capacity change from 0 to 32768
[  199.529860][ T6037] BTRFS info (device loop1): not using ssd optimizations
[  199.592397][ T6037] BTRFS info (device loop1): not using spread ssd allocation scheme
[  199.602008][ T6047] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.314 (6047)
[  199.623972][ T6037] BTRFS info (device loop1): using free space tree
[  199.663753][ T4539] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4539)
[  199.816911][ T4514] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4514)
[  199.914683][ T4644] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4644)
[  200.124793][ T6037] BTRFS info (device loop1): rebuilding free space tree
[  200.169297][ T6050] loop3: detected capacity change from 0 to 32768
[  200.192671][   T26] audit: type=1800 audit(1788762592.765:48): pid=6037 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.1.311" name="file1" dev="loop1" ino=260 res=0 errno=0
[  200.199482][ T6050] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.315 (6050)
[  200.274104][ T6037] BTRFS info (device loop1): balance: start -f -sconvert=raid0,usage=0..1342177280
[  200.311832][ T6075] BTRFS info (device loop1): scrub: started on devid 1
[  200.347392][ T6037] BTRFS info (device loop1): relocating block group 1048576 flags system
[  200.515736][ T6037] BTRFS: error (device loop1) in btrfs_relocate_chunk:3387: errno=-4 unknown
[  200.522131][ T6075] BTRFS info (device loop1): scrub: finished on devid 1 with status: 0
[  200.553515][ T6037] BTRFS info (device loop1: state E): forced readonly
[  200.585213][ T6052] loop4: detected capacity change from 0 to 32768
[  200.587999][ T4514] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4514)
[  200.632519][ T6037] BTRFS info (device loop1: state E): balance: canceled
[  200.671909][ T4393] BTRFS info (device loop1: state E): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  200.684275][ T6054] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.317 (6054)
[  200.714344][ T6052] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.316 (6052)
[  201.048656][ T4429] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by udevd (4429)
[  201.128303][ T4539] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4539)
[  201.139518][ T6066] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  201.191006][ T6066] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
[  201.247807][ T6066] BTRFS info (device loop0): setting nodatacow, compression disabled
[  201.300803][ T6066] BTRFS info (device loop0): setting datasum, datacow enabled
[  201.339017][ T6066] BTRFS info (device loop0): force clearing of disk cache
[  201.397415][ T6066] BTRFS info (device loop0): turning on sync discard
[  201.431164][ T6066] BTRFS warning (device loop0): excessive commit interval 43283
[  201.469720][ T6066] BTRFS info (device loop0): enabling ssd optimizations
[  201.523913][ T6066] BTRFS info (device loop0): using spread ssd allocation scheme
[  201.531615][ T6066] BTRFS info (device loop0): not using ssd optimizations
[  201.589578][ T6066] BTRFS info (device loop0): not using spread ssd allocation scheme
[  201.643749][ T6066] BTRFS info (device loop0): using free space tree
[  201.726003][ T6077] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.319 (6077)
[  201.990516][ T6066] BTRFS info (device loop0): rebuilding free space tree
[  202.044114][ T6082] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.322 (6082)
[  202.132070][ T4539] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4539)
[  202.162091][   T26] audit: type=1800 audit(1788762594.735:49): pid=6066 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.318" name="file1" dev="loop0" ino=260 res=0 errno=0
[  202.196061][ T6066] BTRFS info (device loop0): balance: start -f -sconvert=raid0,usage=0..1342177280
[  202.206996][ T6080] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.321 (6080)
[  202.219996][ T6066] BTRFS info (device loop0): relocating block group 1048576 flags system
[  202.240266][ T6084] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.320 (6084)
2026/09/07 06:29:54 executed programs: 317
[  202.405392][ T6106] BTRFS info (device loop0): scrub: started on devid 1
[  202.406333][ T6066] BTRFS info (device loop0): balance: ended with status: 0
[  202.492972][ T6106] BTRFS info (device loop0): scrub: finished on devid 1 with status: 0
[  202.551579][ T4430] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4430)
[  202.712378][ T4514] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4514)
[  202.735724][ T4389] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  202.861304][ T6104] set_capacity_and_notify: 6 callbacks suppressed
[  202.861320][ T6104] loop3: detected capacity change from 0 to 32768
[  202.944267][ T6104] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.323 (6104)
[  203.065366][ T6104] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  203.103746][ T6104] BTRFS info (device loop3): using sha256 (sha256-avx2) checksum algorithm
[  203.114134][ T6104] BTRFS info (device loop3): setting nodatacow, compression disabled
[  203.122251][ T6104] BTRFS info (device loop3): setting datasum, datacow enabled
[  203.184170][ T6104] BTRFS info (device loop3): force clearing of disk cache
[  203.223703][ T6104] BTRFS info (device loop3): turning on sync discard
[  203.283759][ T6104] BTRFS warning (device loop3): excessive commit interval 43283
[  203.321896][ T6104] BTRFS info (device loop3): enabling ssd optimizations
[  203.342115][ T6104] BTRFS info (device loop3): using spread ssd allocation scheme
[  203.372473][ T6104] BTRFS info (device loop3): not using ssd optimizations
[  203.392691][ T6104] BTRFS info (device loop3): not using spread ssd allocation scheme
[  203.421246][ T6104] BTRFS info (device loop3): using free space tree
[  203.548847][ T6108] loop4: detected capacity change from 0 to 32768
[  203.605626][ T6108] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.324 (6108)
[  203.703316][ T6113] loop2: detected capacity change from 0 to 32768
[  203.729037][ T6113] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.327 (6113)
[  203.811895][ T6110] loop1: detected capacity change from 0 to 32768
[  203.897462][ T6115] loop0: detected capacity change from 0 to 32768
[  203.900306][ T6110] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.325 (6110)
[  203.924612][ T6104] BTRFS info (device loop3): rebuilding free space tree
[  203.957373][ T6115] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.326 (6115)
[  204.011357][   T26] audit: type=1800 audit(1788762596.585:50): pid=6104 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.3.323" name="file1" dev="loop3" ino=260 res=0 errno=0
[  204.086809][ T6104] BTRFS info (device loop3): balance: start -f -sconvert=raid0,usage=0..1342177280
[  204.091437][ T6140] BTRFS info (device loop3): scrub: started on devid 1
[  204.140743][ T4514] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4514)
[  204.167279][ T6104] BTRFS info (device loop3): relocating block group 1048576 flags system
[  204.204006][ T4430] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4430)
[  204.309367][ T6104] BTRFS: error (device loop3) in btrfs_relocate_chunk:3387: errno=-4 unknown
[  204.361545][ T4429] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4429)
[  204.372716][ T6104] BTRFS info (device loop3: state E): forced readonly
[  204.403122][ T6140] BTRFS info (device loop3: state E): scrub: finished on devid 1 with status: 0
[  204.425041][ T4644] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4644)
[  204.466812][ T6104] BTRFS info (device loop3: state E): balance: canceled
[  204.589552][ T4400] BTRFS info (device loop3: state E): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  205.044863][ T6132] loop4: detected capacity change from 0 to 32768
[  205.110301][ T6132] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.328 (6132)
[  205.190000][ T6132] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[  205.224621][ T6132] BTRFS info (device loop4): using sha256 (sha256-avx2) checksum algorithm
[  205.271434][ T6132] BTRFS info (device loop4): setting nodatacow, compression disabled
[  205.313574][ T6137] loop2: detected capacity change from 0 to 32768
[  205.333986][ T6132] BTRFS info (device loop4): setting datasum, datacow enabled
[  205.341509][ T6132] BTRFS info (device loop4): force clearing of disk cache
[  205.365652][ T6139] loop1: detected capacity change from 0 to 32768
[  205.389944][ T6137] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.329 (6137)
[  205.392519][ T6132] BTRFS info (device loop4): turning on sync discard
[  205.451438][ T6139] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.330 (6139)
[  205.484650][ T6132] BTRFS warning (device loop4): excessive commit interval 43283
[  205.532453][ T6142] loop0: detected capacity change from 0 to 32768
[  205.559586][ T6132] BTRFS info (device loop4): enabling ssd optimizations
[  205.639881][ T6142] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.331 (6142)
[  205.653731][ T6132] BTRFS info (device loop4): using spread ssd allocation scheme
[  205.693630][ T6132] BTRFS info (device loop4): not using ssd optimizations
[  205.747640][ T6132] BTRFS info (device loop4): not using spread ssd allocation scheme
[  205.804086][ T6132] BTRFS info (device loop4): using free space tree
[  205.817351][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  205.868255][ T4514] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4514)
[  206.189188][ T4429] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4429)
[  206.293472][ T6149] loop1: detected capacity change from 0 to 32768
[  206.327024][ T6149] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.334 (6149)
[  206.360697][ T6132] BTRFS info (device loop4): rebuilding free space tree
[  206.456889][   T26] audit: type=1800 audit(1788762599.035:51): pid=6132 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.4.328" name="file1" dev="loop4" ino=260 res=0 errno=0
[  206.497885][ T6132] BTRFS info (device loop4): balance: start -f -sconvert=raid0,usage=0..1342177280
[  206.541343][ T6132] BTRFS info (device loop4): relocating block group 1048576 flags system
[  206.695292][ T6170] BTRFS info (device loop4): scrub: started on devid 1
[  206.747293][ T6132] ------------[ cut here ]------------
[  206.754302][ T4539] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4539)
[  206.759175][ T6170] BTRFS info (device loop4: state A): scrub: finished on devid 1 with status: 0
[  206.786049][ T6132] WARNING: CPU: 1 PID: 6132 at fs/btrfs/volumes.c:3265 btrfs_remove_chunk+0x1502/0x1a10
[  206.795978][ T6132] Modules linked in:
[  206.799911][ T6132] CPU: 1 PID: 6132 Comm: syz.4.328 Not tainted syzkaller #0
[  206.807383][ T6132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  206.817543][ T6132] RIP: 0010:btrfs_remove_chunk+0x1502/0x1a10
[  206.823559][ T6132] Code: 48 c7 c7 20 6f d0 8a 44 89 f6 e8 69 2e d4 fd 0f 0b e9 76 fe ff ff e8 0d a7 08 fe 48 c7 c7 20 6f d0 8a 44 89 f6 e8 4e 2e d4 fd <0f> 0b e9 95 fe ff ff e8 f2 a6 08 fe 48 c7 c7 20 6f d0 8a 44 89 f6
[  206.843724][ T6132] RSP: 0018:ffffc90005acf900 EFLAGS: 00010246
[  206.849829][ T6132] RAX: 4e0c5f3d47ccad00 RBX: 0000000000000000 RCX: ffff88802a34bc00
[  206.858088][ T6132] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[  206.866127][ T6132] RBP: ffffc90005acfab0 R08: ffff8880b8f279db R09: 1ffff110171e4f3b
[  206.874152][ T6132] R10: dffffc0000000000 R11: ffffed10171e4f3c R12: 1ffff11003966960
[  206.882152][ T6132] R13: dffffc0000000000 R14: ffffffffffffffe4 R15: ffff8880788d4001
[  206.890195][ T6132] FS:  00007fd4ac3c46c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  206.899182][ T6132] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  206.905856][ T6132] CR2: 00007f837d14b000 CR3: 0000000027439000 CR4: 00000000003506e0
[  206.913895][ T6132] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  206.921917][ T6132] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  206.929968][ T6132] Call Trace:
[  206.933269][ T6132]  <TASK>
[  206.936278][ T6132]  ? btrfs_get_chunk_map+0x160/0x160
[  206.941615][ T6132]  ? start_transaction+0x421/0x1190
[  206.946899][ T6132]  ? start_transaction+0x720/0x1190
[  206.952144][ T6132]  btrfs_relocate_chunk+0x296/0x3b0
[  206.952922][ T6144] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.332 (6144)
[  206.957395][ T6132]  __btrfs_balance+0x187d/0x2200
[  206.957486][ T6132]  ? __mutex_unlock_slowpath+0x1b0/0x6c0
[  206.978359][ T6132]  ? describe_balance_start_or_resume+0x540/0x540
[  206.984844][ T6132]  ? mutex_unlock+0x10/0x10
[  206.989383][ T6132]  ? __rwlock_init+0xf0/0x140
[  206.994120][ T6132]  ? do_raw_spin_unlock+0x11d/0x230
[  206.999344][ T6132]  btrfs_balance+0xc53/0x1120
[  207.004109][ T6132]  btrfs_ioctl_balance+0x489/0x710
[  207.009255][ T6132]  ? btrfs_ioctl_get_supported_features+0x40/0x40
[  207.015750][ T6132]  __se_sys_ioctl+0xfa/0x170
[  207.020395][ T6132]  do_syscall_64+0x4c/0xa0
[  207.024887][ T6132]  ? clear_bhb_loop+0x60/0xb0
[  207.029593][ T6132]  ? clear_bhb_loop+0x60/0xb0
[  207.034344][ T6132]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  207.040264][ T6132] RIP: 0033:0x7fd4ab59e159
[  207.044770][ T6132] 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
[  207.064439][ T6132] RSP: 002b:00007fd4ac3c4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  207.072884][ T6132] RAX: ffffffffffffffda RBX: 00007fd4ab825fa0 RCX: 00007fd4ab59e159
[  207.075653][ T6146] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.333 (6146)
[  207.080901][ T6132] RDX: 0000200000000780 RSI: 00000000c4009420 RDI: 0000000000000005
[  207.099172][ T6132] RBP: 00007fd4ab635024 R08: 0000000000000000 R09: 0000000000000000
[  207.107202][ T6132] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  207.115225][ T6132] R13: 00007fd4ab826038 R14: 00007fd4ab825fa0 R15: 00007ffdaeb4d038
[  207.123234][ T6132]  </TASK>
[  207.126326][ T6132] Kernel panic - not syncing: kernel: panic_on_warn set ...
[  207.133614][ T6132] CPU: 1 PID: 6132 Comm: syz.4.328 Not tainted syzkaller #0
[  207.140924][ T6132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  207.151186][ T6132] Call Trace:
[  207.154488][ T6132]  <TASK>
[  207.157440][ T6132]  dump_stack_lvl+0x188/0x24e
[  207.162140][ T6132]  ? memcpy+0x3c/0x60
[  207.166128][ T6132]  ? show_regs_print_info+0x12/0x12
[  207.171324][ T6132]  ? load_image+0x410/0x410
[  207.175837][ T6132]  panic+0x2d3/0x710
[  207.179745][ T6132]  ? bpf_jit_dump+0xd0/0xd0
[  207.184273][ T6132]  __warn+0x2f8/0x4f0
[  207.188253][ T6132]  ? btrfs_remove_chunk+0x1502/0x1a10
[  207.193624][ T6132]  ? btrfs_remove_chunk+0x1502/0x1a10
[  207.199003][ T6132]  report_bug+0x2ba/0x4f0
[  207.203343][ T6132]  ? btrfs_remove_chunk+0x1502/0x1a10
[  207.208719][ T6132]  handle_bug+0x3a/0x70
[  207.212877][ T6132]  exc_invalid_op+0x16/0x40
[  207.217404][ T6132]  asm_exc_invalid_op+0x16/0x20
[  207.222251][ T6132] RIP: 0010:btrfs_remove_chunk+0x1502/0x1a10
[  207.228242][ T6132] Code: 48 c7 c7 20 6f d0 8a 44 89 f6 e8 69 2e d4 fd 0f 0b e9 76 fe ff ff e8 0d a7 08 fe 48 c7 c7 20 6f d0 8a 44 89 f6 e8 4e 2e d4 fd <0f> 0b e9 95 fe ff ff e8 f2 a6 08 fe 48 c7 c7 20 6f d0 8a 44 89 f6
[  207.247840][ T6132] RSP: 0018:ffffc90005acf900 EFLAGS: 00010246
[  207.253912][ T6132] RAX: 4e0c5f3d47ccad00 RBX: 0000000000000000 RCX: ffff88802a34bc00
[  207.261885][ T6132] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
[  207.269898][ T6132] RBP: ffffc90005acfab0 R08: ffff8880b8f279db R09: 1ffff110171e4f3b
[  207.277890][ T6132] R10: dffffc0000000000 R11: ffffed10171e4f3c R12: 1ffff11003966960
[  207.285856][ T6132] R13: dffffc0000000000 R14: ffffffffffffffe4 R15: ffff8880788d4001
[  207.293853][ T6132]  ? btrfs_get_chunk_map+0x160/0x160
[  207.299152][ T6132]  ? start_transaction+0x421/0x1190
[  207.304347][ T6132]  ? start_transaction+0x720/0x1190
[  207.309588][ T6132]  btrfs_relocate_chunk+0x296/0x3b0
[  207.314811][ T6132]  __btrfs_balance+0x187d/0x2200
[  207.319772][ T6132]  ? __mutex_unlock_slowpath+0x1b0/0x6c0
[  207.325402][ T6132]  ? describe_balance_start_or_resume+0x540/0x540
[  207.331812][ T6132]  ? mutex_unlock+0x10/0x10
[  207.336312][ T6132]  ? __rwlock_init+0xf0/0x140
[  207.340984][ T6132]  ? do_raw_spin_unlock+0x11d/0x230
[  207.346181][ T6132]  btrfs_balance+0xc53/0x1120
[  207.350871][ T6132]  btrfs_ioctl_balance+0x489/0x710
[  207.355981][ T6132]  ? btrfs_ioctl_get_supported_features+0x40/0x40
[  207.362399][ T6132]  __se_sys_ioctl+0xfa/0x170
[  207.366989][ T6132]  do_syscall_64+0x4c/0xa0
[  207.371403][ T6132]  ? clear_bhb_loop+0x60/0xb0
[  207.376075][ T6132]  ? clear_bhb_loop+0x60/0xb0
[  207.380749][ T6132]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[  207.386639][ T6132] RIP: 0033:0x7fd4ab59e159
[  207.391048][ T6132] 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
[  207.410661][ T6132] RSP: 002b:00007fd4ac3c4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  207.419072][ T6132] RAX: ffffffffffffffda RBX: 00007fd4ab825fa0 RCX: 00007fd4ab59e159
[  207.427038][ T6132] RDX: 0000200000000780 RSI: 00000000c4009420 RDI: 0000000000000005
[  207.435005][ T6132] RBP: 00007fd4ab635024 R08: 0000000000000000 R09: 0000000000000000
[  207.442970][ T6132] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[  207.450957][ T6132] R13: 00007fd4ab826038 R14: 00007fd4ab825fa0 R15: 00007ffdaeb4d038
[  207.458939][ T6132]  </TASK>
[  207.462206][ T6132] Kernel Offset: disabled
[  207.466567][ T6132] Rebooting in 86400 seconds..