enabling auto defrag [ 473.575863][T13057] BTRFS info (device loop1): doing ref verification [ 473.576856][T13057] BTRFS info (device loop1): use no compression [ 473.577891][T13057] BTRFS info (device loop1): force clearing of disk cache [ 473.578983][T13057] BTRFS info (device loop1): disabling free space tree [ 473.641229][T13062] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2086 (13062) [ 473.701778][T13057] BTRFS info (device loop1): enabling ssd optimizations [ 473.703504][T13057] BTRFS info (device loop1): rebuilding free space tree [ 473.706775][T13057] BTRFS info (device loop1): disabling free space tree [ 473.707856][T13057] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 473.720210][T13057] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 473.735328][T13057] BTRFS info (device loop1): balance: start -d -m [ 473.755572][T13057] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 473.758291][T13060] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2085 (13060) 1970/01/01 00:07:53 executed programs: 2081 [ 473.847792][T13057] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 473.879474][T13064] set_capacity_and_notify: 34 callbacks suppressed [ 473.879484][T13064] loop4: detected capacity change from 0 to 32768 [ 473.885239][T13057] BTRFS info (device loop1): found 9 extents, stage: move data extents [ 473.900438][T13064] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2087 (13064) [ 473.912477][T13057] BTRFS info (device loop1): found 1 extents, stage: update data pointers [ 473.939524][T13057] BTRFS info (device loop1): balance: ended with status: 0 [ 473.986224][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 474.147114][T13090] loop0: detected capacity change from 0 to 32768 [ 474.161131][T13090] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.2089 (13090) [ 474.171012][T13090] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 474.175553][T13090] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 474.177215][T13090] BTRFS info (device loop0): enabling auto defrag [ 474.178235][T13090] BTRFS info (device loop0): doing ref verification [ 474.179276][T13090] BTRFS info (device loop0): use no compression [ 474.180261][T13090] BTRFS info (device loop0): force clearing of disk cache [ 474.193347][T13090] BTRFS info (device loop0): disabling free space tree [ 474.258795][ T4401] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4401) [ 474.273097][T13096] loop4: detected capacity change from 0 to 32768 [ 474.325558][T13096] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2092 (13096) [ 474.441333][T13090] BTRFS info (device loop0): enabling ssd optimizations [ 474.443189][T13090] BTRFS info (device loop0): rebuilding free space tree [ 474.446861][T13090] BTRFS info (device loop0): disabling free space tree [ 474.448086][T13090] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 474.449941][T13090] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 474.503020][T13098] loop3: detected capacity change from 0 to 32768 [ 474.504865][T13098] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2093 (13098) [ 474.609534][T13106] loop2: detected capacity change from 0 to 32768 [ 474.616651][T13106] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2094 (13106) [ 474.764196][T13123] loop1: detected capacity change from 0 to 32768 [ 474.839975][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop0 scanned by udevd (4662) [ 474.842291][T13123] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 474.882953][ T4663] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 474.953694][T13128] loop2: detected capacity change from 0 to 32768 [ 474.961448][T13128] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 474.962701][T13126] loop3: detected capacity change from 0 to 32768 [ 474.976183][T13126] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 475.025629][ T4403] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 475.058432][T13132] loop4: detected capacity change from 0 to 32768 [ 475.179174][T13132] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 475.334753][ T4664] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 475.371299][T13141] loop3: detected capacity change from 0 to 32768 [ 475.417119][T13141] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 475.435471][T13143] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 475.533178][T13145] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 475.639339][T13149] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2108 (13149) [ 475.685131][ T4401] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4401) [ 475.816030][T13153] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2110 (13153) [ 475.842284][T13165] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2112 (13165) [ 475.887705][ T4664] blk_print_req_error: 3 callbacks suppressed [ 475.887720][ T4664] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 475.984604][T13161] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2111 (13161) [ 476.156161][T13171] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.2113 (13171) [ 476.210148][ T4663] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4663) [ 476.284703][T13177] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2114 (13177) [ 476.289104][T13180] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2115 (13180) [ 476.327652][ T4662] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 476.355231][T13186] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2117 (13186) [ 476.362835][ T4401] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4401) [ 476.413201][T13171] _btrfs_printk: 33 callbacks suppressed [ 476.413217][T13171] BTRFS info (device loop4): enabling ssd optimizations [ 476.415850][ T4664] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 476.418986][T13171] BTRFS info (device loop4): rebuilding free space tree [ 476.422139][T13171] BTRFS info (device loop4): disabling free space tree [ 476.423440][T13171] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 476.425020][T13171] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 476.460121][T13171] BTRFS info (device loop4): balance: start -d -m [ 476.461492][T13171] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata [ 476.468138][T13171] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata [ 476.502628][T13171] BTRFS info (device loop4): found 9 extents, stage: move data extents [ 476.582353][T13171] BTRFS info (device loop4): found 1 extents, stage: update data pointers [ 476.600254][T13171] BTRFS info (device loop4): balance: ended with status: 0 [ 476.623108][ T4502] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 476.704450][T13205] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2119 (13205) [ 476.714739][T13205] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 476.722894][T13205] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 476.724286][T13205] BTRFS info (device loop1): enabling auto defrag [ 476.731093][ T4663] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4663) [ 476.735632][T13205] BTRFS info (device loop1): doing ref verification [ 476.737134][T13205] BTRFS info (device loop1): use no compression [ 476.738282][T13205] BTRFS info (device loop1): force clearing of disk cache [ 476.739492][T13205] BTRFS info (device loop1): disabling free space tree [ 476.748983][T13209] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2120 (13209) [ 476.775960][T13211] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2121 (13211) [ 476.934847][T13214] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2123 (13214) [ 476.945153][T13205] BTRFS info (device loop1): enabling ssd optimizations [ 476.947293][T13205] BTRFS info (device loop1): rebuilding free space tree [ 476.950339][T13205] BTRFS info (device loop1): disabling free space tree [ 476.951533][T13205] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 476.953161][T13205] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 476.993986][T13205] BTRFS info (device loop1): balance: start -d -m [ 476.995372][T13205] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 477.018317][ T4403] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 477.026787][T13205] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 477.104563][T13205] BTRFS info (device loop1): 1 enospc errors during balance [ 477.106259][T13205] BTRFS info (device loop1): balance: ended with status: -28 [ 477.142658][T13224] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2125 (13224) [ 477.145843][T13225] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2124 (13225) [ 477.168623][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 477.216752][ T4401] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 477.247254][T13236] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.2126 (13236) [ 477.250281][T13236] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 477.254838][T13236] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm [ 477.256863][T13236] BTRFS info (device loop4): enabling auto defrag [ 477.260520][T13236] BTRFS info (device loop4): doing ref verification [ 477.261673][T13236] BTRFS info (device loop4): use no compression [ 477.274021][T13236] BTRFS info (device loop4): force clearing of disk cache [ 477.275177][T13236] BTRFS info (device loop4): disabling free space tree [ 477.408600][ T4663] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4663) [ 477.438526][T13244] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2127 (13244) [ 477.460258][T13246] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2129 (13246) [ 477.515403][ T4401] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 477.566546][T13236] BTRFS info (device loop4): enabling ssd optimizations [ 477.568780][T13236] BTRFS info (device loop4): rebuilding free space tree [ 477.572308][T13236] BTRFS info (device loop4): disabling free space tree [ 477.573602][T13236] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 477.575237][T13236] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 477.657046][T13251] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2130 (13251) [ 477.660730][T13236] BTRFS info (device loop4): balance: start -d -m [ 477.662146][T13236] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata [ 477.667864][T13236] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata [ 477.690981][T13236] BTRFS info (device loop4): found 9 extents, stage: move data extents [ 477.736697][T13236] BTRFS info (device loop4): found 1 extents, stage: update data pointers [ 477.790604][T13236] BTRFS info (device loop4): balance: ended with status: 0 [ 477.812944][ T4502] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 477.946085][T13274] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2132 (13274) [ 477.950299][T13274] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 477.951952][T13274] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 477.953530][T13272] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2133 (13272) [ 477.955817][T13274] BTRFS info (device loop1): enabling auto defrag [ 477.956116][ T4403] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4403) [ 477.956821][T13274] BTRFS info (device loop1): doing ref verification [ 477.959635][T13274] BTRFS info (device loop1): use no compression [ 477.960696][T13274] BTRFS info (device loop1): force clearing of disk cache [ 477.961886][T13274] BTRFS info (device loop1): disabling free space tree [ 478.122191][T13280] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2135 (13280) [ 478.230974][T13289] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2138 (13289) [ 478.232849][T13274] BTRFS info (device loop1): enabling ssd optimizations [ 478.234607][T13274] BTRFS info (device loop1): rebuilding free space tree [ 478.238829][T13274] BTRFS info (device loop1): disabling free space tree [ 478.240173][T13274] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 478.241814][T13274] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 478.310616][T13274] BTRFS info (device loop1): balance: start -d -m [ 478.312004][T13274] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 478.320892][T13274] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 478.339941][T13274] BTRFS info (device loop1): found 9 extents, stage: move data extents [ 478.359939][T13274] BTRFS info (device loop1): found 1 extents, stage: update data pointers [ 478.440105][T13274] BTRFS info (device loop1): balance: ended with status: 0 [ 478.496650][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 478.630825][ T4401] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by udevd (4401) [ 478.691986][T13316] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 478.693722][T13316] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm [ 478.695063][T13316] BTRFS info (device loop4): enabling auto defrag [ 478.696473][T13316] BTRFS info (device loop4): doing ref verification [ 478.697626][T13316] BTRFS info (device loop4): use no compression [ 478.698745][T13316] BTRFS info (device loop4): force clearing of disk cache [ 478.700010][T13316] BTRFS info (device loop4): disabling free space tree [ 478.707546][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4662) [ 478.761927][ T4403] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4403) [ 478.879308][T13319] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2146 (13319) [ 478.899668][T13316] BTRFS info (device loop4): enabling ssd optimizations [ 478.901580][T13316] BTRFS info (device loop4): rebuilding free space tree [ 478.904832][T13316] BTRFS info (device loop4): disabling free space tree [ 478.908606][T13316] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 478.910287][T13316] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) 1970/01/01 00:07:58 executed programs: 2142 [ 478.933655][T13316] BTRFS info (device loop4): balance: start -d -m [ 478.934939][T13316] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata [ 479.009415][T13316] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata [ 479.047945][T13326] set_capacity_and_notify: 27 callbacks suppressed [ 479.047955][T13326] loop0: detected capacity change from 0 to 32768 [ 479.054179][T13326] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2148 (13326) [ 479.078545][T13316] BTRFS info (device loop4): found 9 extents, stage: move data extents [ 479.116909][T13316] BTRFS info (device loop4): found 1 extents, stage: update data pointers [ 479.138348][T13316] BTRFS info (device loop4): balance: ended with status: 0 [ 479.158753][ T4502] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 479.257844][T13348] loop1: detected capacity change from 0 to 32768 [ 479.264576][T13348] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2150 (13348) [ 479.270871][T13348] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 479.272654][T13348] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 479.274150][T13348] BTRFS info (device loop1): enabling auto defrag [ 479.279997][T13348] BTRFS info (device loop1): doing ref verification [ 479.281247][T13348] BTRFS info (device loop1): use no compression [ 479.282278][T13348] BTRFS info (device loop1): force clearing of disk cache [ 479.283438][T13348] BTRFS info (device loop1): disabling free space tree [ 479.356480][T13354] loop0: detected capacity change from 0 to 32768 [ 479.360099][T13354] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2153 (13354) [ 479.376757][ T4664] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 25 scanned by udevd (4664) [ 479.398517][T13350] loop3: detected capacity change from 0 to 32768 [ 479.406971][T13350] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2151 (13350) [ 479.445570][T13356] loop4: detected capacity change from 0 to 32768 [ 479.496726][T13356] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2154 (13356) [ 479.513924][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 479.532423][T13348] BTRFS info (device loop1): enabling ssd optimizations [ 479.534173][T13348] BTRFS info (device loop1): rebuilding free space tree [ 479.540238][T13373] loop0: detected capacity change from 0 to 32768 [ 479.541239][T13348] BTRFS info (device loop1): disabling free space tree [ 479.542651][T13373] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2156 (13373) [ 479.547526][T13348] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 479.549043][T13348] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 479.564877][T13348] BTRFS info (device loop1): balance: start -d -m [ 479.796760][T13369] loop2: detected capacity change from 0 to 32768 [ 479.798512][T13369] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.2155 (13369) [ 479.815393][T13380] loop3: detected capacity change from 0 to 32768 [ 479.820187][T13380] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2158 (13380) [ 479.923270][T13385] loop4: detected capacity change from 0 to 32768 [ 479.928643][T13385] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2159 (13385) [ 479.948028][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4662) [ 480.006799][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 480.128311][T13387] loop1: detected capacity change from 0 to 32768 [ 480.130474][T13387] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2160 (13387) [ 480.201103][ T4403] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by udevd (4403) [ 480.420480][T13411] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2163 (13411) [ 480.472215][ T4401] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 25 scanned by udevd (4401) [ 480.581575][T13413] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2165 (13413) [ 480.585804][T13415] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2164 (13415) [ 480.709150][T13438] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2168 (13438) [ 480.748950][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 480.836660][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop0 scanned by udevd (4662) [ 480.844588][T13443] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 480.860240][ T4401] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 480.946517][T13444] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 481.059837][T13450] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 481.097440][T13453] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 481.199080][ T4664] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 481.309032][T13456] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 481.458916][T13461] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 481.485183][T13463] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 481.555777][ T4403] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 481.608343][ T4663] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 481.724004][T13467] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 481.736306][T13469] _btrfs_printk: 44 callbacks suppressed [ 481.736317][T13469] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 481.738998][T13469] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 481.740381][T13469] BTRFS info (device loop0): enabling auto defrag [ 481.741444][T13469] BTRFS info (device loop0): doing ref verification [ 481.742542][T13469] BTRFS info (device loop0): use no compression [ 481.743530][T13469] BTRFS info (device loop0): force clearing of disk cache [ 481.744677][T13469] BTRFS info (device loop0): disabling free space tree [ 481.763840][T13465] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2180 (13465) [ 481.813101][ T4401] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4401) [ 481.818105][T13473] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2184 (13473) [ 481.846232][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 481.889255][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 481.966928][T13485] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2186 (13485) [ 482.003886][T13480] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2185 (13480) [ 482.008560][T13469] BTRFS info (device loop0): enabling ssd optimizations [ 482.010760][T13469] BTRFS info (device loop0): rebuilding free space tree [ 482.013901][T13469] BTRFS info (device loop0): disabling free space tree [ 482.015126][T13469] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 482.019444][T13469] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 482.100021][T13469] BTRFS info (device loop0): balance: start -d -m [ 482.101438][T13469] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 482.109614][T13469] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 482.128282][T13469] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 482.140833][T13469] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 482.153451][T13469] BTRFS info (device loop0): balance: ended with status: 0 [ 482.183901][ T4663] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4663) [ 482.233471][T13486] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2187 (13486) [ 482.236252][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 482.276151][T13493] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2188 (13493) [ 482.336580][ T4403] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 482.363620][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop0 scanned by udevd (4662) [ 482.379779][ T4401] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 482.457171][T13499] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 482.670554][ T4664] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 482.705845][T13510] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 482.712820][T13512] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 482.775857][ T4403] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 482.905848][T13516] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 482.918105][T13518] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 482.992328][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 483.063725][T13522] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 483.113392][T13520] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 483.178085][ T4401] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 483.183757][T13524] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 483.185993][T13524] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 483.187362][T13524] BTRFS info (device loop0): enabling auto defrag [ 483.188389][T13524] BTRFS info (device loop0): doing ref verification [ 483.189437][T13524] BTRFS info (device loop0): use no compression [ 483.200957][T13524] BTRFS info (device loop0): force clearing of disk cache [ 483.202258][T13524] BTRFS info (device loop0): disabling free space tree [ 483.325046][T13527] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2202 (13527) [ 483.349994][T13530] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2201 (13530) [ 483.408810][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 483.421819][ T4662] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4662) [ 483.455857][T13524] BTRFS info (device loop0): enabling ssd optimizations [ 483.457574][T13524] BTRFS info (device loop0): rebuilding free space tree [ 483.460592][T13524] BTRFS info (device loop0): disabling free space tree [ 483.461849][T13524] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 483.463461][T13524] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 483.467906][ T4663] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4663) [ 483.492927][T13524] BTRFS info (device loop0): balance: start -d -m [ 483.494392][T13524] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 483.504174][T13524] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 483.535890][T13524] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 483.561420][T13524] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 483.573376][T13538] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2204 (13538) [ 483.605051][T13524] BTRFS info (device loop0): balance: ended with status: 0 [ 483.605067][T13544] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2205 (13544) [ 483.623184][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 483.749163][ T4403] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop0 scanned by udevd (4403) [ 483.751317][T13551] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 483.814440][ T4664] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 483.871104][T13555] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 1970/01/01 00:08:03 executed programs: 2204 [ 483.948652][T13562] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 483.975192][ T4401] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 484.035571][ T4662] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 484.152788][T13567] set_capacity_and_notify: 35 callbacks suppressed [ 484.152798][T13567] loop2: detected capacity change from 0 to 32768 [ 484.163858][T13567] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 484.173148][T13565] loop3: detected capacity change from 0 to 32768 [ 484.176073][T13565] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 484.339777][T13571] loop1: detected capacity change from 0 to 32768 [ 484.345186][T13571] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 484.354799][T13573] loop4: detected capacity change from 0 to 32768 [ 484.369271][T13573] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 484.510338][T13575] loop2: detected capacity change from 0 to 32768 [ 484.516479][T13575] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 484.552746][T13579] loop0: detected capacity change from 0 to 32768 [ 484.570507][T13579] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 484.572165][T13579] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 484.573477][T13579] BTRFS info (device loop0): enabling auto defrag [ 484.574471][T13579] BTRFS info (device loop0): doing ref verification [ 484.575448][T13579] BTRFS info (device loop0): use no compression [ 484.588350][T13579] BTRFS info (device loop0): force clearing of disk cache [ 484.589809][T13579] BTRFS info (device loop0): disabling free space tree [ 484.619250][T13577] loop3: detected capacity change from 0 to 32768 [ 484.624775][T13577] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2217 (13577) [ 484.710278][T13583] loop4: detected capacity change from 0 to 32768 [ 484.712242][T13583] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2220 (13583) [ 484.724597][T13581] loop1: detected capacity change from 0 to 32768 [ 484.738551][T13581] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2219 (13581) [ 484.822368][T13579] BTRFS info (device loop0): enabling ssd optimizations [ 484.824059][T13579] BTRFS info (device loop0): rebuilding free space tree [ 484.828001][T13579] BTRFS info (device loop0): disabling free space tree [ 484.829209][T13579] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 484.830809][T13579] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 484.914499][T13579] BTRFS info (device loop0): balance: start -d -m [ 484.916412][T13579] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 484.924089][T13579] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 484.960094][T13579] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 484.998626][T13593] loop2: detected capacity change from 0 to 32768 [ 485.001184][T13579] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 485.005395][T13593] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2221 (13593) [ 485.036088][T13579] BTRFS info (device loop0): balance: ended with status: 0 [ 485.085845][T13608] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2224 (13608) [ 485.124122][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 485.421149][ T4664] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by udevd (4664) [ 485.467421][T13620] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 485.469227][T13620] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 485.470718][T13620] BTRFS info (device loop3): enabling auto defrag [ 485.471885][T13620] BTRFS info (device loop3): doing ref verification [ 485.489534][ T4403] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4403) [ 485.493754][T13620] BTRFS info (device loop3): use no compression [ 485.494951][T13620] BTRFS info (device loop3): force clearing of disk cache [ 485.503866][T13620] BTRFS info (device loop3): disabling free space tree [ 485.657992][T13624] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2231 (13624) [ 485.694859][T13635] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2233 (13635) [ 485.706063][T13620] BTRFS info (device loop3): enabling ssd optimizations [ 485.707722][T13620] BTRFS info (device loop3): rebuilding free space tree [ 485.713128][T13620] BTRFS info (device loop3): disabling free space tree [ 485.714346][T13620] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 485.718623][T13620] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 485.749672][T13620] BTRFS info (device loop3): balance: start -d -m [ 485.751195][T13620] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata [ 485.758712][T13620] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata [ 485.794782][T13620] BTRFS info (device loop3): found 9 extents, stage: move data extents [ 485.806657][T13649] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2234 (13649) [ 485.819758][T13620] BTRFS info (device loop3): found 1 extents, stage: update data pointers [ 485.850710][T13620] BTRFS info (device loop3): 1 enospc errors during balance [ 485.852118][T13620] BTRFS info (device loop3): balance: ended with status: -28 [ 485.974449][ T4500] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 486.079086][ T4663] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop3 scanned by udevd (4663) [ 486.121167][T13654] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 486.234591][T13658] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 486.246692][T13656] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 486.382221][T13664] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 486.501324][ T4664] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 486.608177][T13669] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 486.659482][T13667] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 486.766043][T13673] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 486.841349][T13675] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 486.897400][T13677] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 486.965805][T13680] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 486.967512][T13680] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 486.968861][T13680] BTRFS info (device loop3): enabling auto defrag [ 486.969894][T13680] BTRFS info (device loop3): doing ref verification [ 486.970960][T13680] BTRFS info (device loop3): use no compression [ 486.971964][T13680] BTRFS info (device loop3): force clearing of disk cache [ 486.973247][T13680] BTRFS info (device loop3): disabling free space tree [ 487.087284][ T4403] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4403) [ 487.101035][T13680] BTRFS info (device loop3): enabling ssd optimizations [ 487.102635][T13680] BTRFS info (device loop3): rebuilding free space tree [ 487.106402][T13680] BTRFS info (device loop3): disabling free space tree [ 487.107610][T13680] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 487.109316][T13680] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 487.167009][T13680] BTRFS info (device loop3): balance: start -d -m [ 487.168440][T13680] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata [ 487.179659][T13680] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata [ 487.222786][T13680] BTRFS info (device loop3): found 9 extents, stage: move data extents [ 487.295272][T13680] BTRFS info (device loop3): found 1 extents, stage: update data pointers [ 487.318955][T13680] BTRFS info (device loop3): balance: ended with status: 0 [ 487.334676][T13685] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2251 (13685) [ 487.338848][ T4500] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 487.375846][T13689] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2252 (13689) [ 487.411611][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by udevd (4662) [ 487.445817][ T4663] blk_print_req_error: 10 callbacks suppressed [ 487.446107][ T4663] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 487.463715][T13696] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 487.465313][T13696] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 487.466850][T13696] BTRFS info (device loop2): enabling auto defrag [ 487.467908][T13696] BTRFS info (device loop2): doing ref verification [ 487.469003][T13696] BTRFS info (device loop2): use no compression [ 487.470007][T13696] BTRFS info (device loop2): force clearing of disk cache [ 487.471146][T13696] BTRFS info (device loop2): disabling free space tree [ 487.635911][ T4664] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 25 scanned by udevd (4664) [ 487.681941][T13696] BTRFS info (device loop2): enabling ssd optimizations [ 487.684428][T13696] BTRFS info (device loop2): rebuilding free space tree [ 487.688832][T13696] BTRFS info (device loop2): disabling free space tree [ 487.690047][T13696] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 487.705745][T13696] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 487.747945][T13696] BTRFS info (device loop2): balance: start -d -m [ 487.749248][T13696] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 487.755035][T13696] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 487.796606][T13696] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 487.824548][T13719] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2258 (13719) [ 487.873248][T13734] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2259 (13734) [ 487.873354][T13696] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 487.901231][T13696] BTRFS info (device loop2): balance: ended with status: 0 [ 487.914421][ T4403] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4403) [ 487.953178][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 487.978706][ T4664] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 488.335090][T13749] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2265 (13749) [ 488.340861][T13749] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 488.342642][T13749] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 488.344053][T13749] BTRFS info (device loop1): enabling auto defrag [ 488.345118][T13749] BTRFS info (device loop1): doing ref verification [ 488.348148][T13749] BTRFS info (device loop1): use no compression [ 488.349306][T13749] BTRFS info (device loop1): force clearing of disk cache [ 488.350705][T13749] BTRFS info (device loop1): disabling free space tree [ 488.350765][ T4663] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4663) [ 488.389276][T13753] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2266 (13753) [ 488.543105][T13749] BTRFS info (device loop1): enabling ssd optimizations [ 488.544795][T13749] BTRFS info (device loop1): rebuilding free space tree [ 488.554519][T13749] BTRFS info (device loop1): disabling free space tree [ 488.563986][T13749] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 488.565575][T13749] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 488.608227][T13776] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2271 (13776) [ 488.621658][T13757] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2268 (13757) [ 488.680278][T13749] BTRFS info (device loop1): balance: start -d -m [ 488.681830][T13749] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 488.689245][T13749] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 488.704579][T13782] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2272 (13782) [ 488.714332][T13749] BTRFS info (device loop1): found 9 extents, stage: move data extents [ 488.720205][ T4662] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 488.732850][T13749] BTRFS info (device loop1): found 1 extents, stage: update data pointers [ 488.744303][T13749] BTRFS info (device loop1): balance: ended with status: 0 [ 488.798931][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 488.803271][ T4401] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 488.884343][ T4664] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by udevd (4664) [ 489.089019][T13789] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 489.091966][T13789] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 489.096116][T13787] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2275 (13787) [ 489.098644][T13789] BTRFS info (device loop0): enabling auto defrag [ 489.113773][T13789] BTRFS info (device loop0): doing ref verification [ 489.115006][T13789] BTRFS info (device loop0): use no compression [ 489.125821][T13789] BTRFS info (device loop0): force clearing of disk cache [ 489.127255][T13789] BTRFS info (device loop0): disabling free space tree 1970/01/01 00:08:09 executed programs: 2271 [ 489.199010][T13791] set_capacity_and_notify: 27 callbacks suppressed [ 489.199019][T13791] loop2: detected capacity change from 0 to 32768 [ 489.225384][T13791] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2277 (13791) [ 489.364661][T13789] BTRFS info (device loop0): enabling ssd optimizations [ 489.366586][T13789] BTRFS info (device loop0): rebuilding free space tree [ 489.370469][T13789] BTRFS info (device loop0): disabling free space tree [ 489.371690][T13789] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 489.373559][T13789] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 489.423440][ T4662] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4662) [ 489.430181][T13801] loop3: detected capacity change from 0 to 32768 [ 489.493242][T13789] BTRFS info (device loop0): balance: start -d -m [ 489.494582][T13789] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 489.501332][T13801] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2279 (13801) [ 489.512248][T13789] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 489.549410][T13789] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 489.583123][T13789] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 489.626811][T13789] BTRFS info (device loop0): balance: ended with status: 0 [ 489.666659][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 489.701097][T13821] loop4: detected capacity change from 0 to 32768 [ 489.718609][T13821] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2282 (13821) [ 489.767640][ T4663] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 26 /dev/loop0 scanned by udevd (4663) [ 489.867478][ T4401] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 26 [ 489.905268][ T4664] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 26 [ 489.912044][T13829] loop1: detected capacity change from 0 to 32768 [ 489.980089][T13829] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 26 [ 490.001220][T13833] loop2: detected capacity change from 0 to 32768 [ 490.006718][T13833] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 26 [ 490.080275][T13836] loop4: detected capacity change from 0 to 32768 [ 490.090579][T13836] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 26 [ 490.093165][T13838] loop3: detected capacity change from 0 to 32768 [ 490.098883][T13838] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 26 [ 490.311924][ T4403] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 26 [ 490.369155][T13842] loop2: detected capacity change from 0 to 32768 [ 490.396007][T13842] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 26 [ 490.405604][T13844] loop0: detected capacity change from 0 to 32768 [ 490.432418][T13844] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 490.434259][T13844] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 490.435681][T13844] BTRFS info (device loop0): enabling auto defrag [ 490.440837][T13844] BTRFS info (device loop0): doing ref verification [ 490.441971][T13844] BTRFS info (device loop0): use no compression [ 490.443074][T13844] BTRFS info (device loop0): force clearing of disk cache [ 490.444379][T13844] BTRFS info (device loop0): disabling free space tree [ 490.469602][T13846] loop3: detected capacity change from 0 to 32768 [ 490.481613][T13846] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2293 (13846) [ 490.565328][T13848] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2294 (13848) [ 490.577681][T13852] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2296 (13852) [ 490.628180][T13844] BTRFS info (device loop0): enabling ssd optimizations [ 490.629916][T13850] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2295 (13850) [ 490.632242][T13844] BTRFS info (device loop0): rebuilding free space tree [ 490.635296][T13844] BTRFS info (device loop0): disabling free space tree [ 490.639043][T13844] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 490.640978][T13844] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 490.643559][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 490.697599][T13844] BTRFS info (device loop0): balance: start -d -m [ 490.699006][T13844] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 490.704878][T13844] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 490.771290][T13844] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 490.840390][T13844] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 490.844817][T13874] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2298 (13874) [ 490.849771][T13844] BTRFS info (device loop0): balance: ended with status: 0 [ 490.926344][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 490.985692][T13875] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.2299 (13875) [ 490.989946][T13875] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 490.999529][T13875] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 491.001072][T13875] BTRFS info (device loop2): enabling auto defrag [ 491.002274][T13875] BTRFS info (device loop2): doing ref verification [ 491.003460][T13875] BTRFS info (device loop2): use no compression [ 491.093718][ T4664] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4664) [ 491.169381][T13880] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2302 (13880) [ 491.239601][T13878] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2300 (13878) [ 491.340075][ T4403] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 491.562048][ T4401] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop2 scanned by udevd (4401) [ 491.564369][T13905] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 491.619804][T13912] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 491.642648][ T4663] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 491.675295][ T4664] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 491.681568][ T4403] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 491.723345][T13914] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 491.888105][T13919] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 491.983791][T13924] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 491.993592][T13921] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 492.001657][ T4662] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 492.104742][ T4403] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 492.145840][ T4664] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 492.151817][T13927] _btrfs_printk: 14 callbacks suppressed [ 492.151824][T13927] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 492.154520][T13927] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 492.169029][T13927] BTRFS info (device loop2): enabling auto defrag [ 492.170108][T13927] BTRFS info (device loop2): doing ref verification [ 492.171182][T13927] BTRFS info (device loop2): use no compression [ 492.178210][T13927] BTRFS info (device loop2): force clearing of disk cache [ 492.179529][T13927] BTRFS info (device loop2): disabling free space tree [ 492.267743][T13931] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2316 (13931) [ 492.343606][T13938] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2317 (13938) [ 492.379266][T13927] BTRFS info (device loop2): enabling ssd optimizations [ 492.379759][T13929] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2315 (13929) [ 492.382671][T13927] BTRFS info (device loop2): rebuilding free space tree [ 492.385647][T13927] BTRFS info (device loop2): disabling free space tree [ 492.387007][T13927] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 492.388735][T13927] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 492.400574][T13937] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2318 (13937) [ 492.414165][T13927] BTRFS info (device loop2): balance: start -d -m [ 492.415624][T13927] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 492.428628][T13927] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 492.456263][ T4663] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 492.517965][T13927] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 492.545145][T13927] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 492.571467][T13927] BTRFS info (device loop2): balance: ended with status: 0 [ 492.585875][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 492.647025][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by udevd (4662) [ 492.827956][T13961] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 26 [ 492.886879][ T4403] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 26 [ 492.973578][ T4664] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 26 [ 493.139793][T13972] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 26 [ 493.243423][ T4663] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 26 [ 493.380088][T13979] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 26 [ 493.462010][T13982] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 26 [ 493.485883][T13983] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 26 [ 493.512517][ T4664] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 493.645964][T13987] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 26 [ 493.705814][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 493.817946][T13989] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 26 [ 493.865955][T13991] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 26 [ 493.878724][T13995] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 26 [ 493.882023][T13994] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 493.883671][T13994] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 493.884914][T13994] BTRFS info (device loop2): enabling auto defrag [ 493.892462][T13994] BTRFS info (device loop2): doing ref verification [ 493.893484][T13994] BTRFS info (device loop2): use no compression [ 493.894466][T13994] BTRFS info (device loop2): force clearing of disk cache [ 493.895615][T13994] BTRFS info (device loop2): disabling free space tree [ 493.929383][ T4663] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 493.987549][T13997] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2339 (13997) [ 494.093701][T13994] BTRFS info (device loop2): enabling ssd optimizations [ 494.095304][T13994] BTRFS info (device loop2): rebuilding free space tree [ 494.101383][T13994] BTRFS info (device loop2): disabling free space tree [ 494.102581][T13994] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 494.104404][T13994] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 494.105869][T13999] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2340 (13999) [ 494.129782][T13994] BTRFS info (device loop2): balance: start -d -m [ 494.131195][T13994] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 494.144459][T13994] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 494.165212][T13994] BTRFS info (device loop2): found 9 extents, stage: move data extents 1970/01/01 00:08:14 executed programs: 2336 [ 494.181979][T13994] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 494.207226][T13994] BTRFS info (device loop2): balance: ended with status: 0 [ 494.236798][T14009] set_capacity_and_notify: 30 callbacks suppressed [ 494.236807][T14009] loop3: detected capacity change from 0 to 32768 [ 494.243183][T14009] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2342 (14009) [ 494.265047][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 494.415663][T14022] loop0: detected capacity change from 0 to 32768 [ 494.423258][ T4401] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop2 scanned by udevd (4401) [ 494.425371][ T4664] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 494.436141][T14022] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 494.491753][T14029] loop3: detected capacity change from 0 to 32768 [ 494.504152][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 494.505994][T14029] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 494.556219][ T2063] ieee802154 phy0 wpan0: encryption failed: -22 [ 494.557375][ T2063] ieee802154 phy1 wpan1: encryption failed: -22 [ 494.578813][T14027] loop1: detected capacity change from 0 to 32768 [ 494.586671][T14027] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 494.733521][T14033] loop4: detected capacity change from 0 to 32768 [ 494.735542][T14033] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 494.865034][T14036] loop0: detected capacity change from 0 to 32768 [ 494.878885][T14036] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 494.894071][T14040] loop3: detected capacity change from 0 to 32768 [ 494.916220][T14040] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 494.998655][ T4403] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 495.105015][T14044] loop4: detected capacity change from 0 to 32768 [ 495.145932][T14044] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 495.186882][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 495.228287][T14050] loop1: detected capacity change from 0 to 32768 [ 495.237241][T14050] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 495.311336][T14052] loop2: detected capacity change from 0 to 32768 [ 495.329733][T14052] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 495.331736][T14052] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 495.333117][T14052] BTRFS info (device loop2): enabling auto defrag [ 495.334113][T14052] BTRFS info (device loop2): doing ref verification [ 495.335148][T14052] BTRFS info (device loop2): use no compression [ 495.342261][T14052] BTRFS info (device loop2): force clearing of disk cache [ 495.343541][T14052] BTRFS info (device loop2): disabling free space tree [ 495.352543][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4662) [ 495.371802][ T4663] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4663) [ 495.536034][T14056] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2359 (14056) [ 495.575840][T14058] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2360 (14058) [ 495.601597][T14070] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2362 (14070) [ 495.603720][T14052] BTRFS info (device loop2): enabling ssd optimizations [ 495.605238][T14061] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2361 (14061) [ 495.614773][T14052] BTRFS info (device loop2): rebuilding free space tree [ 495.618024][T14052] BTRFS info (device loop2): disabling free space tree [ 495.619315][T14052] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 495.620988][T14052] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 495.630475][T14052] BTRFS info (device loop2): balance: start -d -m [ 495.631742][T14052] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 495.650233][T14052] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 495.662964][ T4403] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 495.666394][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 495.677361][T14052] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 495.699272][T14052] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 495.729050][T14052] BTRFS info (device loop2): balance: ended with status: 0 [ 495.731842][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 495.836303][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 495.956504][T14083] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.2363 (14083) [ 495.969177][T14083] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 495.970948][T14083] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 495.972298][T14083] BTRFS info (device loop0): enabling auto defrag [ 495.973340][T14083] BTRFS info (device loop0): doing ref verification [ 495.974447][T14083] BTRFS info (device loop0): use no compression [ 495.985018][T14085] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2365 (14085) [ 495.985843][T14083] BTRFS info (device loop0): force clearing of disk cache [ 495.988154][T14083] BTRFS info (device loop0): disabling free space tree [ 496.029863][ T4664] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 496.064278][T14089] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2367 (14089) [ 496.069474][T14087] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2364 (14087) [ 496.223332][T14083] BTRFS info (device loop0): enabling ssd optimizations [ 496.225130][T14083] BTRFS info (device loop0): rebuilding free space tree [ 496.229205][T14083] BTRFS info (device loop0): disabling free space tree [ 496.230467][T14083] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 496.232021][T14083] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 496.279868][T14083] BTRFS info (device loop0): balance: start -d -m [ 496.281279][T14083] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 496.287863][T14083] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 496.305118][T14083] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 496.319659][T14083] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 496.365441][T14083] BTRFS info (device loop0): balance: ended with status: 0 [ 496.430010][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 496.515805][T14104] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2368 (14104) [ 496.529858][T14104] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 496.531753][T14104] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 496.533170][T14104] BTRFS info (device loop1): enabling auto defrag [ 496.534211][T14104] BTRFS info (device loop1): doing ref verification [ 496.535304][T14104] BTRFS info (device loop1): use no compression [ 496.540334][T14104] BTRFS info (device loop1): force clearing of disk cache [ 496.541467][T14104] BTRFS info (device loop1): disabling free space tree [ 496.588638][T14114] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2370 (14114) [ 496.590798][T14116] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2371 (14116) [ 496.615215][ T4403] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4403) [ 496.662599][T14126] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2373 (14126) [ 496.725205][T14104] BTRFS info (device loop1): enabling ssd optimizations [ 496.737317][T14104] BTRFS info (device loop1): rebuilding free space tree [ 496.743025][T14104] BTRFS info (device loop1): disabling free space tree [ 496.744274][T14104] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 496.746108][T14104] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 496.767966][T14104] BTRFS info (device loop1): balance: start -d -m [ 496.769274][T14104] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 496.789036][T14104] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 496.818735][T14104] BTRFS info (device loop1): found 9 extents, stage: move data extents [ 496.873684][T14121] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2372 (14121) [ 496.877378][T14104] BTRFS info (device loop1): found 1 extents, stage: update data pointers [ 496.883116][T14104] BTRFS info (device loop1): balance: ended with status: 0 [ 496.902767][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 497.049519][T14143] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.2374 (14143) [ 497.059424][T14143] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 497.066112][T14143] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 497.067484][T14143] BTRFS info (device loop2): enabling auto defrag [ 497.068546][T14143] BTRFS info (device loop2): doing ref verification [ 497.069701][T14143] BTRFS info (device loop2): use no compression [ 497.108604][T14142] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2375 (14142) [ 497.114619][T14145] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2376 (14145) [ 497.139431][ T4664] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 25 scanned by udevd (4664) [ 497.263136][T14143] _btrfs_printk: 2 callbacks suppressed [ 497.263151][T14143] BTRFS info (device loop2): enabling ssd optimizations [ 497.272928][T14143] BTRFS info (device loop2): rebuilding free space tree [ 497.280966][T14143] BTRFS info (device loop2): disabling free space tree [ 497.282146][T14143] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 497.286766][T14143] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 497.307791][T14148] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2377 (14148) [ 497.360420][T14143] BTRFS info (device loop2): balance: start -d -m [ 497.361770][T14143] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 497.392693][T14150] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2378 (14150) [ 497.392949][T14143] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 497.430145][T14143] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 497.490670][T14143] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 497.503737][T14143] BTRFS info (device loop2): balance: ended with status: 0 [ 497.572468][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 497.697108][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by udevd (4662) [ 497.849345][T14181] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 497.851152][T14181] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 497.852520][T14181] BTRFS info (device loop0): enabling auto defrag [ 497.853545][T14181] BTRFS info (device loop0): doing ref verification [ 497.854664][T14181] BTRFS info (device loop0): use no compression [ 497.855681][T14181] BTRFS info (device loop0): force clearing of disk cache [ 497.868400][T14181] BTRFS info (device loop0): disabling free space tree [ 497.874453][ T4664] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4664) [ 497.957685][T14183] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2385 (14183) [ 497.999456][T14181] BTRFS info (device loop0): enabling ssd optimizations [ 498.001182][T14181] BTRFS info (device loop0): rebuilding free space tree [ 498.004360][T14181] BTRFS info (device loop0): disabling free space tree [ 498.005619][T14181] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 498.011177][T14188] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2387 (14188) [ 498.020021][T14181] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 498.056655][T14181] BTRFS info (device loop0): balance: start -d -m [ 498.058072][T14181] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 498.102050][T14181] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 498.108117][T14190] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2388 (14190) [ 498.161500][T14209] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2389 (14209) [ 498.178185][T14181] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 498.198712][T14181] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 498.204241][T14181] BTRFS info (device loop0): balance: ended with status: 0 [ 498.279479][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 498.445608][T14215] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2391 (14215) [ 498.462812][T14215] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 498.464694][T14215] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 498.472977][T14215] BTRFS info (device loop1): enabling auto defrag [ 498.474143][T14215] BTRFS info (device loop1): doing ref verification [ 498.475325][T14215] BTRFS info (device loop1): use no compression [ 498.483109][T14215] BTRFS info (device loop1): force clearing of disk cache [ 498.484325][T14215] BTRFS info (device loop1): disabling free space tree [ 498.510172][ T4401] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4401) [ 498.533153][T14217] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2393 (14217) [ 498.602864][T14219] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2394 (14219) [ 498.669835][T14224] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2395 (14224) [ 498.720869][T14215] BTRFS info (device loop1): enabling ssd optimizations [ 498.722692][T14215] BTRFS info (device loop1): rebuilding free space tree [ 498.727644][T14215] BTRFS info (device loop1): disabling free space tree [ 498.728830][T14215] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 498.730367][T14215] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 498.733410][ T4401] blk_print_req_error: 5 callbacks suppressed [ 498.733421][ T4401] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 498.848532][T14215] BTRFS info (device loop1): balance: start -d -m [ 498.849957][T14215] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 498.855079][T14215] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 498.884144][T14215] BTRFS info (device loop1): found 9 extents, stage: move data extents [ 498.918277][T14215] BTRFS info (device loop1): found 1 extents, stage: update data pointers [ 498.926564][ T4403] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4403) [ 498.970250][T14215] BTRFS info (device loop1): balance: ended with status: 0 [ 498.985100][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 498.989061][T14249] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2398 (14249) [ 499.006738][T14241] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2397 (14241) [ 499.065871][ T4662] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 499.065984][ T4663] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 499.093070][T14250] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.2399 (14250) [ 499.104782][T14250] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 499.110991][T14250] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 499.112413][T14250] BTRFS info (device loop2): enabling auto defrag [ 499.122974][T14250] BTRFS info (device loop2): doing ref verification [ 499.124362][T14250] BTRFS info (device loop2): use no compression [ 499.125506][T14250] BTRFS info (device loop2): force clearing of disk cache [ 499.127420][T14250] BTRFS info (device loop2): disabling free space tree [ 499.266433][ T4664] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 26 scanned by udevd (4664) 1970/01/01 00:08:19 executed programs: 2397 [ 499.326687][T14260] set_capacity_and_notify: 30 callbacks suppressed [ 499.326698][T14260] loop4: detected capacity change from 0 to 32768 [ 499.335211][T14250] BTRFS info (device loop2): enabling ssd optimizations [ 499.337380][T14250] BTRFS info (device loop2): rebuilding free space tree [ 499.340520][T14250] BTRFS info (device loop2): disabling free space tree [ 499.341737][T14250] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 499.343343][T14250] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 499.359310][T14260] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2403 (14260) [ 499.420970][T14250] BTRFS info (device loop2): balance: start -d -m [ 499.422379][T14250] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 499.422578][ T4403] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4403) [ 499.437353][T14250] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 499.485487][T14259] loop0: detected capacity change from 0 to 32768 [ 499.489252][T14250] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 499.528781][T14250] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 499.537744][T14259] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2402 (14259) [ 499.557298][T14250] BTRFS info (device loop2): balance: ended with status: 0 [ 499.670717][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 499.695280][T14282] loop1: detected capacity change from 0 to 32768 [ 499.698790][T14282] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2404 (14282) [ 499.762572][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by udevd (4662) [ 499.777555][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 499.933434][T14287] loop3: detected capacity change from 0 to 32768 [ 499.948276][T14287] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 499.949984][T14287] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 499.951296][T14287] BTRFS info (device loop3): enabling auto defrag [ 499.962575][T14287] BTRFS info (device loop3): doing ref verification [ 499.963739][T14287] BTRFS info (device loop3): use no compression [ 499.964941][T14287] BTRFS info (device loop3): force clearing of disk cache [ 499.967509][ T4664] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4664) [ 499.975842][T14287] BTRFS info (device loop3): disabling free space tree [ 500.202631][T14295] loop1: detected capacity change from 0 to 32768 [ 500.207189][T14287] BTRFS info (device loop3): enabling ssd optimizations [ 500.207290][T14295] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2412 (14295) [ 500.208873][T14287] BTRFS info (device loop3): rebuilding free space tree [ 500.213666][T14287] BTRFS info (device loop3): disabling free space tree [ 500.214888][T14287] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 500.230732][T14290] loop2: detected capacity change from 0 to 32768 [ 500.240596][T14290] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2408 (14290) [ 500.243217][T14287] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 500.260541][T14287] BTRFS info (device loop3): balance: start -d -m [ 500.262037][T14287] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata [ 500.279435][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 500.282234][T14287] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata [ 500.306581][T14297] loop0: detected capacity change from 0 to 32768 [ 500.311528][T14287] BTRFS info (device loop3): found 9 extents, stage: move data extents [ 500.323375][T14297] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2411 (14297) [ 500.339317][T14308] loop4: detected capacity change from 0 to 32768 [ 500.346012][T14308] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2413 (14308) [ 500.370550][T14287] BTRFS info (device loop3): found 1 extents, stage: update data pointers [ 500.391108][T14287] BTRFS info (device loop3): balance: ended with status: 0 [ 500.435625][ T4500] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 500.517434][T14319] loop1: detected capacity change from 0 to 32768 [ 500.538842][T14319] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2414 (14319) [ 500.542880][T14319] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 500.545907][T14319] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 500.547388][T14319] BTRFS info (device loop1): enabling auto defrag [ 500.548621][T14319] BTRFS info (device loop1): doing ref verification [ 500.549751][T14319] BTRFS info (device loop1): use no compression [ 500.550856][T14319] BTRFS info (device loop1): force clearing of disk cache [ 500.585597][T14319] BTRFS info (device loop1): disabling free space tree [ 500.674243][T14321] loop2: detected capacity change from 0 to 32768 [ 500.696004][T14321] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2415 (14321) [ 500.700817][T14327] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2417 (14327) [ 500.736064][ T4662] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4662) [ 500.832456][T14319] BTRFS info (device loop1): enabling ssd optimizations [ 500.834150][T14319] BTRFS info (device loop1): rebuilding free space tree [ 500.841129][T14319] BTRFS info (device loop1): disabling free space tree [ 500.842237][T14319] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 500.843925][T14319] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 500.914365][ T4403] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 25 scanned by udevd (4403) [ 500.975606][T14340] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2419 (14340) [ 501.018514][T14325] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2418 (14325) [ 501.039691][ T4662] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 501.077143][T14350] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.2421 (14350) [ 501.210076][T14348] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2420 (14348) [ 501.247249][T14361] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2424 (14361) [ 501.289732][ T4401] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 501.333111][T14359] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2423 (14359) [ 501.462075][ T4663] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 26 scanned by udevd (4663) [ 501.597906][ T4403] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop3 scanned by udevd (4403) [ 501.640905][T14376] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 501.642974][T14379] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 501.695877][ T4401] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 501.758014][T14383] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 501.840185][T14386] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 501.852296][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 501.977462][ T4664] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 502.047483][T14391] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 502.168222][T14397] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 502.244124][ T4663] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 502.319755][T14399] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 502.388455][T14403] _btrfs_printk: 26 callbacks suppressed [ 502.388474][T14403] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 502.398768][T14403] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 502.400263][T14403] BTRFS info (device loop3): enabling auto defrag [ 502.401558][T14403] BTRFS info (device loop3): doing ref verification [ 502.402642][T14403] BTRFS info (device loop3): use no compression [ 502.403671][T14403] BTRFS info (device loop3): force clearing of disk cache [ 502.404835][T14403] BTRFS info (device loop3): disabling free space tree [ 502.414646][ T4401] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4401) [ 502.460492][T14407] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2439 (14407) [ 502.490424][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4662) [ 502.561374][T14409] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2440 (14409) [ 502.662586][T14403] BTRFS info (device loop3): enabling ssd optimizations [ 502.664074][T14418] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2441 (14418) [ 502.666323][T14403] BTRFS info (device loop3): rebuilding free space tree [ 502.670669][T14403] BTRFS info (device loop3): disabling free space tree [ 502.671939][T14403] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 502.673806][T14403] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 502.681493][T14403] BTRFS info (device loop3): balance: start -d -m [ 502.682811][T14403] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata [ 502.697469][T14403] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata [ 502.740221][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 502.790775][T14403] BTRFS info (device loop3): found 9 extents, stage: move data extents [ 502.807071][T14403] BTRFS info (device loop3): found 1 extents, stage: update data pointers [ 502.842377][T14403] BTRFS info (device loop3): balance: ended with status: 0 [ 502.881507][ T4500] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 502.945836][T14423] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by syz.0.2442 (14423) [ 502.970585][T14423] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 502.972719][T14423] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 502.974086][T14423] BTRFS info (device loop0): enabling auto defrag [ 502.975145][T14423] BTRFS info (device loop0): doing ref verification [ 502.977594][T14432] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2443 (14432) [ 502.986921][T14423] BTRFS info (device loop0): use no compression [ 502.988026][T14423] BTRFS info (device loop0): force clearing of disk cache [ 502.989220][T14423] BTRFS info (device loop0): disabling free space tree [ 503.025508][T14437] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2445 (14437) [ 503.043841][T14434] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2444 (14434) [ 503.190608][T14423] BTRFS info (device loop0): enabling ssd optimizations [ 503.192217][T14423] BTRFS info (device loop0): rebuilding free space tree [ 503.193598][T14452] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2449 (14452) [ 503.200304][T14423] BTRFS info (device loop0): disabling free space tree [ 503.201532][T14423] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 503.202967][T14423] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 503.224860][T14443] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2447 (14443) [ 503.286906][T14423] BTRFS info (device loop0): balance: start -d -m [ 503.288287][T14423] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 503.293223][T14423] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 503.334218][T14423] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 503.373409][T14448] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2448 (14448) [ 503.400728][T14423] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 503.407081][T14423] BTRFS info (device loop0): balance: ended with status: 0 [ 503.418519][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 503.578058][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop0 scanned by udevd (4662) [ 503.675262][ T4401] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 503.766041][T14472] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 503.768266][T14469] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 503.782170][T14476] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 503.885835][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 503.999471][ T4403] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 504.037010][T14479] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 504.139608][ T4663] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 504.185887][T14487] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 504.188508][T14481] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 504.245921][ T4662] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 504.336358][T14489] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 504.344719][T14491] set_capacity_and_notify: 32 callbacks suppressed [ 504.344727][T14491] loop0: detected capacity change from 0 to 32768 1970/01/01 00:08:24 executed programs: 2457 [ 504.366819][T14491] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 504.368566][T14491] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 504.369965][T14491] BTRFS info (device loop0): enabling auto defrag [ 504.379815][T14491] BTRFS info (device loop0): doing ref verification [ 504.381012][T14491] BTRFS info (device loop0): use no compression [ 504.386336][T14491] BTRFS info (device loop0): force clearing of disk cache [ 504.387523][T14491] BTRFS info (device loop0): disabling free space tree [ 504.392930][T14493] loop2: detected capacity change from 0 to 32768 [ 504.422956][T14493] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2463 (14493) [ 504.478693][T14497] loop4: detected capacity change from 0 to 32768 [ 504.505820][ T4403] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 504.518238][T14497] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2464 (14497) [ 504.560385][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 504.601929][T14495] loop3: detected capacity change from 0 to 32768 [ 504.608544][T14495] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2465 (14495) [ 504.608641][T14491] BTRFS info (device loop0): enabling ssd optimizations [ 504.612598][T14491] BTRFS info (device loop0): rebuilding free space tree [ 504.621586][T14491] BTRFS info (device loop0): disabling free space tree [ 504.622884][T14491] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 504.624572][T14491] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 504.639543][T14502] loop1: detected capacity change from 0 to 32768 [ 504.660677][T14502] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2466 (14502) [ 504.664905][T14491] BTRFS info (device loop0): balance: start -d -m [ 504.668193][T14491] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 504.674666][T14491] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 504.709260][T14491] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 504.748446][T14491] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 504.770521][T14521] loop4: detected capacity change from 0 to 32768 [ 504.775692][T14521] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2469 (14521) [ 504.790594][T14491] BTRFS info (device loop0): balance: ended with status: 0 [ 504.810105][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 504.816909][T14509] loop2: detected capacity change from 0 to 32768 [ 504.822091][T14509] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2467 (14509) [ 504.836220][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 504.907616][ T4403] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 504.968027][T14524] loop1: detected capacity change from 0 to 32768 [ 504.975483][T14524] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2470 (14524) [ 504.986579][T14524] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 504.988582][T14524] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 504.989156][T14522] loop3: detected capacity change from 0 to 32768 [ 504.989987][T14524] BTRFS info (device loop1): enabling auto defrag [ 504.992130][T14524] BTRFS info (device loop1): doing ref verification [ 504.993224][T14524] BTRFS info (device loop1): use no compression [ 504.994266][T14524] BTRFS info (device loop1): force clearing of disk cache [ 504.995435][T14524] BTRFS info (device loop1): disabling free space tree [ 504.995874][T14522] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2468 (14522) [ 505.171693][T14530] loop4: detected capacity change from 0 to 32768 [ 505.173434][T14530] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2472 (14530) [ 505.179618][T14524] BTRFS info (device loop1): enabling ssd optimizations [ 505.181342][T14524] BTRFS info (device loop1): rebuilding free space tree [ 505.184739][T14524] BTRFS info (device loop1): disabling free space tree [ 505.189574][T14524] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 505.191260][T14532] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2473 (14532) [ 505.193947][T14524] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 505.235553][T14524] BTRFS info (device loop1): balance: start -d -m [ 505.240554][T14524] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 505.258872][T14524] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 505.283196][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 505.324007][ T4403] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 505.336736][T14524] BTRFS info (device loop1): 1 enospc errors during balance [ 505.337947][T14524] BTRFS info (device loop1): balance: ended with status: -28 [ 505.352437][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 505.424991][T14553] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2475 (14553) [ 505.450329][ T4663] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 21 /dev/loop1 scanned by udevd (4663) [ 505.495801][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 505.498763][T14549] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 21 [ 505.557089][ T4401] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 505.596467][T14557] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 21 [ 505.660392][T14558] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 21 [ 505.785989][T14563] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 21 [ 505.893309][ T4403] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 21 [ 505.926366][T14567] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 21 [ 506.045888][T14569] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 21 [ 506.157268][T14573] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 21 [ 506.207254][T14575] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 21 [ 506.345950][T14577] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 21 [ 506.406587][T14579] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 21 [ 506.458759][T14583] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 506.460468][T14583] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 506.461838][T14583] BTRFS info (device loop1): enabling auto defrag [ 506.462918][T14583] BTRFS info (device loop1): doing ref verification [ 506.463918][T14583] BTRFS info (device loop1): use no compression [ 506.464940][T14583] BTRFS info (device loop1): force clearing of disk cache [ 506.480752][T14583] BTRFS info (device loop1): disabling free space tree [ 506.520229][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4662) [ 506.552429][T14585] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2490 (14585) [ 506.704435][T14583] BTRFS info (device loop1): enabling ssd optimizations [ 506.706294][T14583] BTRFS info (device loop1): rebuilding free space tree [ 506.709614][T14583] BTRFS info (device loop1): disabling free space tree [ 506.710835][T14583] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 506.712529][T14583] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 506.815074][T14583] BTRFS info (device loop1): balance: start -d -m [ 506.816863][T14583] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 506.822504][T14583] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 506.864340][T14583] BTRFS info (device loop1): found 9 extents, stage: move data extents [ 506.918265][T14587] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2491 (14587) [ 506.919035][T14583] BTRFS info (device loop1): 1 enospc errors during balance [ 506.921416][T14583] BTRFS info (device loop1): balance: ended with status: -28 [ 506.924354][T14610] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2494 (14610) [ 506.934694][T14596] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2493 (14596) [ 506.937942][T14593] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2492 (14593) [ 506.939421][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 507.321378][ T4403] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by udevd (4403) [ 507.338140][T14617] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 507.339786][T14617] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 507.341198][T14617] BTRFS info (device loop3): enabling auto defrag [ 507.352174][T14617] BTRFS info (device loop3): doing ref verification [ 507.353321][T14617] BTRFS info (device loop3): use no compression [ 507.354388][T14617] BTRFS info (device loop3): force clearing of disk cache [ 507.375935][T14621] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2498 (14621) [ 507.388983][T14622] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2499 (14622) [ 507.571926][T14617] _btrfs_printk: 1 callbacks suppressed [ 507.571940][T14617] BTRFS info (device loop3): enabling ssd optimizations [ 507.574672][T14617] BTRFS info (device loop3): rebuilding free space tree [ 507.580622][T14617] BTRFS info (device loop3): disabling free space tree [ 507.581815][T14617] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 507.584091][T14617] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 507.639022][ T4401] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4401) [ 507.659179][T14617] BTRFS info (device loop3): balance: start -d -m [ 507.660496][T14617] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata [ 507.669374][T14617] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata [ 507.707552][T14617] BTRFS info (device loop3): found 9 extents, stage: move data extents [ 507.753455][T14617] BTRFS info (device loop3): found 1 extents, stage: update data pointers [ 507.761680][T14617] BTRFS info (device loop3): balance: ended with status: 0 [ 507.791402][ T4500] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 507.853927][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by udevd (4662) [ 508.070153][T14658] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 508.186206][ T4401] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 508.350102][T14667] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 508.372214][T14665] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 508.415928][T14669] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 508.490312][T14673] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 508.725583][T14675] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 508.773519][T14677] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 508.807481][T14681] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 508.814382][T14680] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 508.816401][T14680] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 508.817776][T14680] BTRFS info (device loop3): enabling auto defrag [ 508.829546][T14680] BTRFS info (device loop3): doing ref verification [ 508.830690][T14680] BTRFS info (device loop3): use no compression [ 508.831923][T14680] BTRFS info (device loop3): force clearing of disk cache [ 508.833007][T14680] BTRFS info (device loop3): disabling free space tree [ 508.917576][T14683] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2519 (14683) [ 508.992996][T14690] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2522 (14690) [ 509.056012][T14680] BTRFS info (device loop3): enabling ssd optimizations [ 509.057803][T14680] BTRFS info (device loop3): rebuilding free space tree [ 509.060771][T14680] BTRFS info (device loop3): disabling free space tree [ 509.062027][T14680] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 509.064185][T14680] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 509.085627][ T4401] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4401) [ 509.110067][T14680] BTRFS info (device loop3): balance: start -d -m [ 509.111528][T14680] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata [ 509.122975][T14680] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata [ 509.147529][T14680] BTRFS info (device loop3): found 9 extents, stage: move data extents [ 509.171096][T14680] BTRFS info (device loop3): found 1 extents, stage: update data pointers [ 509.212966][T14680] BTRFS info (device loop3): balance: ended with status: 0 [ 509.240076][ T4500] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 509.359756][ T4664] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop3 scanned by udevd (4664) [ 509.361929][T14702] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 509.364122][T14710] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 509.368634][ T4403] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 1970/01/01 00:08:29 executed programs: 2521 [ 509.448399][T14713] set_capacity_and_notify: 34 callbacks suppressed [ 509.448409][T14713] loop2: detected capacity change from 0 to 32768 [ 509.451377][T14713] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 509.506878][T14715] loop1: detected capacity change from 0 to 32768 [ 509.516239][T14715] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 509.733231][ T4662] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 509.768487][ T4663] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 509.824699][T14724] loop2: detected capacity change from 0 to 32768 [ 509.838178][T14724] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 509.892803][T14728] loop1: detected capacity change from 0 to 32768 [ 509.921414][T14728] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 509.974187][T14732] loop4: detected capacity change from 0 to 32768 [ 509.982097][T14732] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 509.987996][ T4401] blk_print_req_error: 11 callbacks suppressed [ 509.988012][ T4401] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 510.024028][T14730] loop0: detected capacity change from 0 to 32768 [ 510.026545][T14730] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 510.212180][T14736] loop3: detected capacity change from 0 to 32768 [ 510.236781][T14736] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 510.238613][T14736] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 510.240011][T14736] BTRFS info (device loop3): enabling auto defrag [ 510.241073][T14736] BTRFS info (device loop3): doing ref verification [ 510.242151][T14736] BTRFS info (device loop3): use no compression [ 510.243158][T14736] BTRFS info (device loop3): force clearing of disk cache [ 510.244301][T14736] BTRFS info (device loop3): disabling free space tree [ 510.301655][T14738] loop1: detected capacity change from 0 to 32768 [ 510.306329][T14738] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2537 (14738) [ 510.313330][T14740] loop4: detected capacity change from 0 to 32768 [ 510.315356][T14740] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2538 (14740) [ 510.339180][ T4403] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4403) [ 510.353614][T14744] loop2: detected capacity change from 0 to 32768 [ 510.355496][T14744] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2540 (14744) [ 510.365408][ T4664] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 510.485204][T14736] BTRFS info (device loop3): enabling ssd optimizations [ 510.488821][T14736] BTRFS info (device loop3): rebuilding free space tree [ 510.492554][T14736] BTRFS info (device loop3): disabling free space tree [ 510.493784][T14736] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 510.495600][T14736] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 510.524463][T14736] BTRFS info (device loop3): balance: start -d -m [ 510.531606][T14736] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata [ 510.541863][T14742] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2539 (14742) [ 510.543656][ T4403] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 510.546012][T14762] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2541 (14762) [ 510.558852][T14736] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata [ 510.622969][T14736] BTRFS info (device loop3): 1 enospc errors during balance [ 510.624290][T14736] BTRFS info (device loop3): balance: ended with status: -28 [ 510.643213][ T4401] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 510.679625][ T4500] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 510.888432][T14764] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by syz.4.2542 (14764) [ 510.891408][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4662) [ 510.891422][T14764] BTRFS info (device loop4): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 510.895040][T14764] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm [ 510.896910][T14764] BTRFS info (device loop4): enabling auto defrag [ 510.897969][T14764] BTRFS info (device loop4): doing ref verification [ 510.899091][T14764] BTRFS info (device loop4): use no compression [ 510.900277][T14764] BTRFS info (device loop4): force clearing of disk cache [ 510.901474][T14764] BTRFS info (device loop4): disabling free space tree [ 510.959983][T14770] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2544 (14770) [ 511.018160][T14773] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2546 (14773) [ 511.090947][T14775] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2545 (14775) [ 511.095367][T14764] BTRFS info (device loop4): enabling ssd optimizations [ 511.099585][T14764] BTRFS info (device loop4): rebuilding free space tree [ 511.103322][T14764] BTRFS info (device loop4): disabling free space tree [ 511.104556][T14764] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 511.107287][T14764] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 511.132890][T14764] BTRFS info (device loop4): balance: start -d -m [ 511.134161][T14764] BTRFS info (device loop4): relocating block group 6881280 flags data|metadata [ 511.142160][T14764] BTRFS info (device loop4): relocating block group 5242880 flags data|metadata [ 511.171819][T14764] BTRFS info (device loop4): found 9 extents, stage: move data extents [ 511.206867][T14764] BTRFS info (device loop4): found 1 extents, stage: update data pointers [ 511.250637][T14764] BTRFS info (device loop4): balance: ended with status: 0 [ 511.274222][ T4502] BTRFS info (device loop4): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 511.360596][T14784] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.2548 (14784) [ 511.374583][T14784] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 511.377759][T14784] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 511.379233][T14784] BTRFS info (device loop2): enabling auto defrag [ 511.380363][T14784] BTRFS info (device loop2): doing ref verification [ 511.385145][T14784] BTRFS info (device loop2): use no compression [ 511.386670][T14784] BTRFS info (device loop2): force clearing of disk cache [ 511.387957][T14784] BTRFS info (device loop2): disabling free space tree [ 511.395013][ T4401] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4401) [ 511.441502][T14793] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2549 (14793) [ 511.444252][ T4663] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4663) [ 511.468408][ T4664] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 25 scanned by udevd (4664) [ 511.566311][T14784] BTRFS info (device loop2): enabling ssd optimizations [ 511.568353][T14784] BTRFS info (device loop2): rebuilding free space tree [ 511.571222][T14784] BTRFS info (device loop2): disabling free space tree [ 511.572534][T14784] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 511.574108][T14784] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 511.580972][T14820] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2554 (14820) [ 511.619756][T14784] BTRFS info (device loop2): balance: start -d -m [ 511.621069][T14784] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 511.629368][T14784] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 511.652551][T14784] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 511.662369][T14784] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 511.671145][T14784] BTRFS info (device loop2): balance: ended with status: 0 [ 511.704272][ T4663] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 511.715477][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 511.782194][T14805] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2552 (14805) [ 511.837900][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 scanned by udevd (4662) [ 511.853421][T14825] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 511.855213][T14825] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 511.856692][T14825] BTRFS info (device loop1): enabling auto defrag [ 511.857730][T14825] BTRFS info (device loop1): doing ref verification [ 511.858810][T14825] BTRFS info (device loop1): use no compression [ 511.859770][T14825] BTRFS info (device loop1): force clearing of disk cache [ 511.860817][T14825] BTRFS info (device loop1): disabling free space tree [ 511.920383][ T4664] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4664) [ 511.969896][T14825] BTRFS info (device loop1): enabling ssd optimizations [ 511.972027][T14825] BTRFS info (device loop1): rebuilding free space tree [ 511.975647][T14825] BTRFS info (device loop1): disabling free space tree [ 511.977601][T14825] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 511.984767][T14834] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2557 (14834) [ 511.990880][T14825] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 512.049174][T14825] BTRFS info (device loop1): balance: start -d -m [ 512.052561][ T4663] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 512.202525][T14833] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2558 (14833) [ 512.243577][T14842] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2559 (14842) [ 512.271852][T14836] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.2556 (14836) [ 512.434062][T14859] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2560 (14859) [ 512.610712][T14864] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2561 (14864) [ 512.643648][ T4664] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4664) [ 512.646778][ T4501] _btrfs_printk: 24 callbacks suppressed [ 512.646789][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 512.680165][ T4401] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 512.717789][ T4403] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop2 scanned by udevd (4403) [ 512.748758][T14881] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 512.768299][T14878] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 512.850889][ T4663] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 513.097360][T14891] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 513.108296][T14898] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 513.127304][T14896] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 513.145904][T14897] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 513.149613][ T4664] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 513.228072][ T4401] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 513.454721][T14904] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 513.483909][T14903] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 513.528229][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 513.532637][T14908] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 513.536050][T14907] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 513.569899][T14910] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 513.571607][T14910] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 513.573101][T14910] BTRFS info (device loop2): enabling auto defrag [ 513.574142][T14910] BTRFS info (device loop2): doing ref verification [ 513.575294][T14910] BTRFS info (device loop2): use no compression [ 513.576841][T14910] BTRFS info (device loop2): force clearing of disk cache [ 513.578153][T14910] BTRFS info (device loop2): disabling free space tree [ 513.769964][T14910] BTRFS info (device loop2): enabling ssd optimizations [ 513.771163][T14928] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2579 (14928) [ 513.773371][T14910] BTRFS info (device loop2): rebuilding free space tree [ 513.778507][T14910] BTRFS info (device loop2): disabling free space tree [ 513.779682][T14910] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 513.781396][T14910] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 513.852455][T14910] BTRFS info (device loop2): balance: start -d -m [ 513.853792][T14910] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 513.868986][T14910] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 513.893633][T14910] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 513.900097][T14920] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2578 (14920) [ 513.941306][T14910] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 513.970921][ T4664] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4664) [ 514.009197][T14929] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2580 (14929) [ 514.012646][T14910] BTRFS info (device loop2): balance: ended with status: 0 [ 514.047008][T14937] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2581 (14937) [ 514.076954][T14939] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2582 (14939) [ 514.082652][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 514.124030][ T4401] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop2 scanned by udevd (4401) [ 514.377125][ T4662] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 514.461360][T14952] set_capacity_and_notify: 33 callbacks suppressed [ 514.461373][T14952] loop4: detected capacity change from 0 to 32768 [ 514.465138][T14952] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 514.469664][T14953] loop1: detected capacity change from 0 to 32768 [ 514.471945][T14953] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 514.475183][T14947] loop3: detected capacity change from 0 to 32768 [ 514.480360][T14947] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 514.489237][T14949] loop0: detected capacity change from 0 to 32768 [ 514.493176][T14949] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 1970/01/01 00:08:34 executed programs: 2582 [ 514.867645][T14961] loop2: detected capacity change from 0 to 32768 [ 514.881296][T14961] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 514.882950][T14961] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 514.884217][T14961] BTRFS info (device loop2): enabling auto defrag [ 514.895468][T14961] BTRFS info (device loop2): doing ref verification [ 514.897042][T14961] BTRFS info (device loop2): use no compression [ 514.898094][T14961] BTRFS info (device loop2): force clearing of disk cache [ 514.899140][T14961] BTRFS info (device loop2): disabling free space tree [ 514.931079][ T4664] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4664) [ 514.946307][T14963] loop0: detected capacity change from 0 to 32768 [ 514.952888][ T4663] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4663) [ 514.962816][ T4403] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4403) [ 514.970476][T14963] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2593 (14963) [ 515.133933][T14965] loop3: detected capacity change from 0 to 32768 [ 515.163222][T14961] BTRFS info (device loop2): enabling ssd optimizations [ 515.165017][T14961] BTRFS info (device loop2): rebuilding free space tree [ 515.172638][T14961] BTRFS info (device loop2): disabling free space tree [ 515.174040][T14961] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 515.175664][T14961] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 515.193580][T14983] loop4: detected capacity change from 0 to 32768 [ 515.196133][T14965] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2594 (14965) [ 515.198493][T14983] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2598 (14983) [ 515.225180][T14961] BTRFS info (device loop2): balance: start -d -m [ 515.237868][T14961] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 515.286552][T14961] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 515.288591][T14961] BTRFS warning (device loop2): Skipping commit of aborted transaction. [ 515.290098][T14961] ------------[ cut here ]------------ [ 515.291049][T14961] WARNING: CPU: 0 PID: 14961 at fs/btrfs/transaction.c:2013 cleanup_transaction+0x664/0x750 [ 515.292663][T14961] Modules linked in: [ 515.293323][T14961] CPU: 0 PID: 14961 Comm: syz.2.2592 Not tainted syzkaller #0 [ 515.294624][T14961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 [ 515.296343][T14961] pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 515.297621][T14961] pc : cleanup_transaction+0x664/0x750 [ 515.298572][T14961] lr : cleanup_transaction+0x664/0x750 [ 515.299491][T14961] sp : ffff800022e173a0 [ 515.300212][T14961] x29: ffff800022e17460 x28: ffff7000045c2e78 x27: 1fffe0001c33bc73 [ 515.301557][T14961] x26: ffff0000e19de398 x25: dfff800000000000 x24: 0000000000000000 [ 515.302850][T14961] x23: 0000000000000000 x22: 00000000ffffffe4 x21: ffff0000d99e0000 [ 515.304235][T14961] x20: ffff0000dd3f4000 x19: ffff0000e19de348 x18: 0000000000000000 [ 515.305582][T14961] x17: 0000000000000000 x16: ffff800011b8ee98 x15: 0000000000000000 [ 515.306949][T14961] x14: 0000000000000001 x13: 1fffe00033e727a3 x12: 0000000000000000 [ 515.308261][T14961] x11: ff00800008195f70 x10: 0000000000000000 x9 : 7c05c2df1d9dd800 [ 515.309702][T14961] x8 : 7c05c2df1d9dd800 x7 : fffffffffffd3840 x6 : fffffffffffd37e0 [ 515.311111][T14961] x5 : ffff800022e16e38 x4 : ffff80001543c090 x3 : ffff800008540378 [ 515.312509][T14961] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 [ 515.313846][T14961] Call trace: [ 515.314402][T14961] cleanup_transaction+0x664/0x750 [ 515.315299][T14961] btrfs_commit_transaction+0x2008/0x28e4 [ 515.316311][T14961] prepare_to_relocate+0x310/0x3ec [ 515.317218][T14961] relocate_block_group+0xfc/0xa18 [ 515.318131][T14961] btrfs_relocate_block_group+0x66c/0x964 [ 515.319088][T14961] btrfs_relocate_chunk+0x108/0x36c [ 515.320011][T14961] __btrfs_balance+0x13e0/0x1b84 [ 515.320911][T14961] btrfs_balance+0x9f8/0xdd4 [ 515.321713][T14961] btrfs_ioctl_balance+0x3c8/0x600 [ 515.322542][T14961] btrfs_ioctl+0x95c/0xb38 [ 515.323275][T14961] __arm64_sys_ioctl+0x14c/0x1c8 [ 515.324096][T14961] invoke_syscall+0x98/0x290 [ 515.324879][T14961] el0_svc_common+0x13c/0x258 [ 515.325703][T14961] do_el0_svc+0x5c/0x134 [ 515.326461][T14961] el0_svc+0x58/0x128 [ 515.327179][T14961] el0t_64_sync_handler+0x84/0xf0 [ 515.328075][T14961] el0t_64_sync+0x18c/0x190 [ 515.328862][T14961] irq event stamp: 76130 [ 515.329540][T14961] hardirqs last enabled at (76129): [] __up_console_sem+0xb4/0xfc [ 515.331074][T14961] hardirqs last disabled at (76130): [] el1_dbg+0x24/0x80 [ 515.332525][T14961] softirqs last enabled at (75482): [] local_bh_enable+0x10/0x34 [ 515.334042][T14961] softirqs last disabled at (75480): [] local_bh_disable+0x10/0x34 [ 515.335590][T14961] ---[ end trace 0000000000000000 ]--- [ 515.465770][T14961] BTRFS info (device loop2: state A): dumping space info: [ 515.467082][T14961] BTRFS info (device loop2: state A): space_info DATA+METADATA (sub-group id 0) has 6225920 free, is full [ 515.468055][T14989] loop1: detected capacity change from 0 to 32768 [ 515.468967][T14961] BTRFS info (device loop2: state A): space_info total=9895936, used=49152, pinned=12288, reserved=0, may_use=2031616, readonly=1576960 zone_unusable=0 [ 515.472361][T14961] BTRFS info (device loop2: state A): space_info SYSTEM (sub-group id 0) has 4186112 free, is not full [ 515.474291][T14961] BTRFS info (device loop2: state A): space_info total=4194304, used=4096, pinned=4096, reserved=0, may_use=0, readonly=0 zone_unusable=0 [ 515.476152][T14989] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2599 (14989) [ 515.490819][T14961] BTRFS info (device loop2: state A): global_block_rsv: size 983040 reserved 983040 [ 515.492410][T14961] BTRFS info (device loop2: state A): trans_block_rsv: size 0 reserved 0 [ 515.493836][T14961] BTRFS info (device loop2: state A): chunk_block_rsv: size 0 reserved 0 [ 515.495218][T14961] BTRFS info (device loop2: state A): delayed_block_rsv: size 0 reserved 0 [ 515.514232][T14961] BTRFS info (device loop2: state A): delayed_refs_rsv: size 0 reserved 0 [ 515.515669][T14961] BTRFS: error (device loop2: state A) in cleanup_transaction:2013: errno=-28 No space left [ 515.520937][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4662) [ 515.526305][T14961] BTRFS info (device loop2: state EA): forced readonly [ 515.534869][T14961] BTRFS info (device loop2: state EA): 1 enospc errors during balance [ 515.536742][T14961] BTRFS info (device loop2: state EA): balance: ended with status: -28 [ 515.578815][ T4501] BTRFS info (device loop2: state EA): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 515.615212][ T4663] blk_print_req_error: 2 callbacks suppressed [ 515.615228][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 515.649949][ T4403] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop4 scanned by udevd (4403) [ 515.781784][T14999] loop0: detected capacity change from 0 to 32768 [ 515.789334][T14999] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 515.791020][T14999] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 515.792442][T14999] BTRFS info (device loop0): enabling auto defrag [ 515.793476][T14999] BTRFS info (device loop0): doing ref verification [ 515.809340][T14999] BTRFS info (device loop0): use no compression [ 515.810403][T14999] BTRFS info (device loop0): force clearing of disk cache [ 515.811556][T14999] BTRFS info (device loop0): disabling free space tree [ 515.950826][T15007] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2603 (15007) [ 515.987062][T14999] BTRFS info (device loop0): enabling ssd optimizations [ 515.988888][T14999] BTRFS info (device loop0): rebuilding free space tree [ 515.992186][T14999] BTRFS info (device loop0): disabling free space tree [ 515.993444][T14999] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 515.995040][T14999] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 516.007761][T14999] BTRFS info (device loop0): balance: start -d -m [ 516.009147][T14999] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 516.023736][T14999] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 516.052498][T15009] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2606 (15009) [ 516.054594][T14999] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 516.100257][ T4663] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 516.139186][T14999] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 516.151111][T14999] BTRFS info (device loop0): balance: ended with status: 0 [ 516.167668][ T4495] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 516.356015][T15034] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.2609 (15034) [ 516.364073][T15034] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 516.366308][T15034] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 516.367719][T15034] BTRFS info (device loop2): enabling auto defrag [ 516.368886][T15034] BTRFS info (device loop2): doing ref verification [ 516.369985][T15034] BTRFS info (device loop2): use no compression [ 516.370969][T15034] BTRFS info (device loop2): force clearing of disk cache [ 516.372119][T15034] BTRFS info (device loop2): disabling free space tree [ 516.429815][T15036] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2611 (15036) [ 516.476332][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 25 scanned by udevd (4662) [ 516.542743][T15038] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2610 (15038) [ 516.545843][T15034] BTRFS info (device loop2): enabling ssd optimizations [ 516.552662][T15034] BTRFS info (device loop2): rebuilding free space tree [ 516.555605][T15034] BTRFS info (device loop2): disabling free space tree [ 516.557172][T15034] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 516.558942][T15034] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 516.581527][T15034] BTRFS info (device loop2): balance: start -d -m [ 516.582869][T15034] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 516.597129][T15034] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 516.617858][T15034] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 516.639108][T15034] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 516.640007][T15040] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2612 (15040) [ 516.663534][T15034] BTRFS info (device loop2): balance: ended with status: 0 [ 516.719900][T15044] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2613 (15044) [ 516.722158][ T4663] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 516.722254][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 516.900880][ T4401] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop2 scanned by udevd (4401) [ 516.903126][T15061] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 516.932546][T15064] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 516.983045][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 517.019415][ T4664] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 517.040986][T15066] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 517.127280][T15070] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 517.238758][T15072] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 517.362225][ T4663] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 517.364091][ T4403] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 517.462910][T15074] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 517.606201][T15083] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 517.710912][T15091] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 517.729171][T15087] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 517.730938][T15087] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 517.732370][T15087] BTRFS info (device loop2): enabling auto defrag [ 517.733433][T15087] BTRFS info (device loop2): doing ref verification [ 517.734498][T15087] BTRFS info (device loop2): use no compression [ 517.735430][T15087] BTRFS info (device loop2): force clearing of disk cache [ 517.743403][T15087] BTRFS info (device loop2): disabling free space tree [ 517.748403][T15086] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2627 (15086) [ 517.782459][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4662) [ 517.940986][T15099] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2630 (15099) [ 517.953337][T15103] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2632 (15103) [ 518.003823][ T4403] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 518.010630][T15087] BTRFS info (device loop2): enabling ssd optimizations [ 518.013919][T15087] BTRFS info (device loop2): rebuilding free space tree [ 518.021383][T15087] BTRFS info (device loop2): disabling free space tree [ 518.022649][T15087] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 518.024211][T15087] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 518.072524][T15087] BTRFS info (device loop2): balance: start -d -m [ 518.073987][T15087] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 518.091817][T15087] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 518.121965][T15118] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2633 (15118) [ 518.173340][T15087] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 518.197242][T15087] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 518.208206][T15105] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2631 (15105) [ 518.212393][T15087] BTRFS info (device loop2): balance: ended with status: 0 [ 518.226053][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 518.243954][ T4664] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4664) [ 518.473912][T15124] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2635 (15124) [ 518.483198][T15124] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 518.484827][T15124] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 518.497997][T15124] BTRFS info (device loop1): enabling auto defrag [ 518.499166][T15124] BTRFS info (device loop1): doing ref verification [ 518.500291][T15124] BTRFS info (device loop1): use no compression [ 518.501313][T15124] BTRFS info (device loop1): force clearing of disk cache [ 518.502527][T15124] BTRFS info (device loop1): disabling free space tree [ 518.527136][T15122] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2634 (15122) [ 518.553914][T15126] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2637 (15126) [ 518.577006][T15130] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2638 (15130) [ 518.639879][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 518.682964][T15124] BTRFS info (device loop1): enabling ssd optimizations [ 518.684762][T15124] BTRFS info (device loop1): rebuilding free space tree [ 518.691058][T15124] BTRFS info (device loop1): disabling free space tree [ 518.692209][T15124] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 518.693817][T15124] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 518.767500][T15124] BTRFS info (device loop1): balance: start -d -m [ 518.768871][T15124] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 518.774678][T15124] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 518.798847][T15124] BTRFS info (device loop1): found 9 extents, stage: move data extents [ 518.821237][T15124] BTRFS info (device loop1): found 1 extents, stage: update data pointers [ 518.910206][T15124] BTRFS info (device loop1): balance: ended with status: 0 [ 518.913129][ T4663] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4663) [ 518.933389][T15142] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2640 (15142) [ 518.956865][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 519.015061][T15155] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop2 scanned by syz.2.2641 (15155) [ 519.030516][T15155] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 519.032206][T15155] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 519.033661][T15155] BTRFS info (device loop2): enabling auto defrag [ 519.034695][T15155] BTRFS info (device loop2): doing ref verification [ 519.045605][T15158] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2643 (15158) [ 519.052223][T15155] BTRFS info (device loop2): use no compression [ 519.053309][T15155] BTRFS info (device loop2): force clearing of disk cache [ 519.054531][T15155] BTRFS info (device loop2): disabling free space tree [ 519.163879][ T4664] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 25 scanned by udevd (4664) [ 519.197919][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 519.218056][T15155] BTRFS info (device loop2): enabling ssd optimizations [ 519.220007][T15155] BTRFS info (device loop2): rebuilding free space tree [ 519.223327][T15155] BTRFS info (device loop2): disabling free space tree [ 519.224545][T15155] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 519.240129][T15155] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 519.248552][ T4403] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4403) [ 519.278660][T15155] BTRFS info (device loop2): balance: start -d -m [ 519.279954][T15155] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 519.292283][T15155] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 519.309536][T15155] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 519.310054][T15165] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2644 (15165) [ 519.329275][T15155] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 519.343558][T15155] BTRFS info (device loop2): balance: ended with status: 0 [ 519.400524][T15171] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2646 (15171) [ 519.421101][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 519.459748][ T4664] I/O error, dev loop1, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 519.537304][T15185] set_capacity_and_notify: 30 callbacks suppressed [ 519.537314][T15185] loop4: detected capacity change from 0 to 32768 1970/01/01 00:08:39 executed programs: 2644 [ 519.568526][ T4401] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop2 scanned by udevd (4401) [ 519.571406][T15185] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 519.650497][T15189] loop0: detected capacity change from 0 to 32768 [ 519.658389][T15189] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 519.767086][T15196] loop1: detected capacity change from 0 to 32768 [ 519.772188][T15196] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 519.868905][ T4663] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 519.928032][T15200] loop4: detected capacity change from 0 to 32768 [ 519.935985][T15200] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 519.961195][T15202] loop0: detected capacity change from 0 to 32768 [ 519.984893][T15202] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 520.039656][T15204] loop1: detected capacity change from 0 to 32768 [ 520.043364][T15204] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 520.057708][T15207] loop3: detected capacity change from 0 to 32768 [ 520.059367][ T4403] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 520.066055][T15207] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 25 [ 520.124549][T15208] loop2: detected capacity change from 0 to 32768 [ 520.147703][T15208] BTRFS info (device loop2): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 520.149509][T15208] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 520.150938][T15208] BTRFS info (device loop2): enabling auto defrag [ 520.152025][T15208] BTRFS info (device loop2): doing ref verification [ 520.153164][T15208] BTRFS info (device loop2): use no compression [ 520.154209][T15208] BTRFS info (device loop2): force clearing of disk cache [ 520.155387][T15208] BTRFS info (device loop2): disabling free space tree [ 520.370743][ T4664] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4664) [ 520.379368][T15214] loop0: detected capacity change from 0 to 32768 [ 520.385463][T15214] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2659 (15214) [ 520.403358][T15208] BTRFS info (device loop2): enabling ssd optimizations [ 520.405533][T15208] BTRFS info (device loop2): rebuilding free space tree [ 520.409481][T15208] BTRFS info (device loop2): disabling free space tree [ 520.410908][T15208] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 520.412681][T15208] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 520.420070][T15212] loop4: detected capacity change from 0 to 32768 [ 520.421788][T15212] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2658 (15212) [ 520.480525][ T4403] I/O error, dev loop4, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 520.490126][T15208] BTRFS info (device loop2): balance: start -d -m [ 520.491632][T15208] BTRFS info (device loop2): relocating block group 6881280 flags data|metadata [ 520.537229][T15208] BTRFS info (device loop2): relocating block group 5242880 flags data|metadata [ 520.593048][T15208] BTRFS info (device loop2): found 9 extents, stage: move data extents [ 520.613339][T15224] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2660 (15224) [ 520.623746][T15208] BTRFS info (device loop2): found 1 extents, stage: update data pointers [ 520.656919][T15208] BTRFS info (device loop2): balance: ended with status: 0 [ 520.699080][ T4501] BTRFS info (device loop2): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 520.813067][T15239] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop1 scanned by syz.1.2662 (15239) [ 520.819583][T15239] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 520.821388][T15239] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 520.822847][T15239] BTRFS info (device loop1): enabling auto defrag [ 520.838246][T15239] BTRFS info (device loop1): doing ref verification [ 520.839277][T15239] BTRFS info (device loop1): use no compression [ 520.840252][T15239] BTRFS info (device loop1): force clearing of disk cache [ 520.841407][T15239] BTRFS info (device loop1): disabling free space tree [ 520.850096][T15242] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2663 (15242) [ 520.860293][ T4662] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4662) [ 520.912755][T15244] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2664 (15244) [ 521.089533][T15239] BTRFS info (device loop1): enabling ssd optimizations [ 521.091915][T15239] BTRFS info (device loop1): rebuilding free space tree [ 521.095479][T15239] BTRFS info (device loop1): disabling free space tree [ 521.097055][T15239] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 521.098835][T15239] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 521.135870][T15250] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2666 (15250) [ 521.138076][T15246] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2665 (15246) [ 521.155194][T15239] BTRFS info (device loop1): balance: start -d -m [ 521.157134][T15239] BTRFS info (device loop1): relocating block group 6881280 flags data|metadata [ 521.162170][T15239] BTRFS info (device loop1): relocating block group 5242880 flags data|metadata [ 521.195911][T15264] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2668 (15264) [ 521.199311][ T4401] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 521.208303][ T4662] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 521.248965][T15239] BTRFS info (device loop1): 1 enospc errors during balance [ 521.250402][T15239] BTRFS info (device loop1): balance: ended with status: -28 [ 521.273758][ T4403] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4403) [ 521.314866][ T4493] BTRFS info (device loop1): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 521.318297][ T4664] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 521.428060][ T4663] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 21 /dev/loop1 scanned by udevd (4663) [ 521.465697][T15272] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 21 [ 521.583750][T15275] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 21 [ 521.610331][T15277] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 21 [ 521.647125][ T4664] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 521.668999][ T4401] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 521.694052][T15279] BTRFS error: device /dev/loop3 already registered with a higher generation, found 8 expect 21 [ 521.820774][ T4403] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 21 [ 521.825802][ T4662] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 521.979461][T15286] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 21 [ 522.005994][T15288] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 21 [ 522.039049][ T4664] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 522.057761][T15290] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 21 [ 522.101434][T15292] BTRFS info (device loop1): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 522.103407][T15292] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 522.104781][T15292] BTRFS info (device loop1): enabling auto defrag [ 522.109751][T15294] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.2679 (15294) [ 522.115778][T15292] BTRFS info (device loop1): doing ref verification [ 522.116973][T15292] BTRFS info (device loop1): use no compression [ 522.118018][T15292] BTRFS info (device loop1): force clearing of disk cache [ 522.218162][ T4662] I/O error, dev loop3, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 522.258099][T15298] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2680 (15298) [ 522.361451][T15296] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2681 (15296) [ 522.376787][ T4664] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 522.503138][T15316] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2682 (15316) [ 522.628236][T15318] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop3 scanned by syz.3.2683 (15318) [ 522.760794][T15325] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2685 (15325) [ 522.903609][ T4401] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4401) [ 522.938001][T15318] _btrfs_printk: 20 callbacks suppressed [ 522.938012][T15318] BTRFS info (device loop3): enabling ssd optimizations [ 522.940988][T15318] BTRFS info (device loop3): rebuilding free space tree [ 522.944603][T15318] BTRFS info (device loop3): disabling free space tree [ 522.946640][T15318] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 522.948364][T15318] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 523.020008][T15318] BTRFS info (device loop3): balance: start -d -m [ 523.021425][T15318] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata [ 523.028182][T15318] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata [ 523.054361][T15318] BTRFS info (device loop3): found 9 extents, stage: move data extents [ 523.075671][T15318] BTRFS info (device loop3): found 1 extents, stage: update data pointers [ 523.079703][ T4403] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4403) [ 523.108675][T15318] BTRFS info (device loop3): balance: ended with status: 0 [ 523.158290][T15341] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2689 (15341) [ 523.160473][T15356] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2692 (15356) [ 523.167714][ T4500] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 523.357263][ T4662] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 25 /dev/loop3 scanned by udevd (4662) [ 523.377383][T15358] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 523.489711][T15363] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 523.541871][T15367] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 523.683232][ T4664] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 25 [ 523.747821][ T4401] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 523.853968][ T4663] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 523.978984][T15376] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 25 [ 524.066791][T15382] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 25 [ 524.078977][T15380] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 25 [ 524.180929][T15386] BTRFS info (device loop3): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 524.186610][T15386] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 524.189302][T15386] BTRFS info (device loop3): enabling auto defrag [ 524.190333][T15386] BTRFS info (device loop3): doing ref verification [ 524.206293][T15386] BTRFS info (device loop3): use no compression [ 524.207446][T15386] BTRFS info (device loop3): force clearing of disk cache [ 524.208731][T15386] BTRFS info (device loop3): disabling free space tree [ 524.260274][T15384] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2705 (15384) [ 524.361968][T15392] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz.2.2709 (15392) [ 524.367137][ T4401] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4401) [ 524.426405][ T4403] I/O error, dev loop2, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 524.455864][T15386] BTRFS info (device loop3): enabling ssd optimizations [ 524.457629][T15386] BTRFS info (device loop3): rebuilding free space tree [ 524.460493][T15386] BTRFS info (device loop3): disabling free space tree [ 524.461634][T15386] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 524.463211][T15386] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 524.513313][T15386] BTRFS info (device loop3): balance: start -d -m [ 524.514668][T15386] BTRFS info (device loop3): relocating block group 6881280 flags data|metadata [ 524.522733][T15386] BTRFS info (device loop3): relocating block group 5242880 flags data|metadata [ 524.551772][T15386] BTRFS info (device loop3): found 9 extents, stage: move data extents [ 524.561749][T15390] set_capacity_and_notify: 32 callbacks suppressed [ 524.561757][T15390] loop1: detected capacity change from 0 to 32768 [ 524.577015][T15390] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.2708 (15390) [ 524.577262][T15386] BTRFS info (device loop3): found 1 extents, stage: update data pointers [ 524.581622][T15398] loop4: detected capacity change from 0 to 32768 [ 524.586363][T15398] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz.4.2711 (15398) [ 524.622743][T15386] BTRFS info (device loop3): balance: ended with status: 0 1970/01/01 00:08:44 executed programs: 2706 [ 524.649904][ T4500] BTRFS info (device loop3): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d [ 524.664346][T15400] loop0: detected capacity change from 0 to 32768 [ 524.674074][T15400] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.2710 (15400) [ 524.841843][T15415] loop2: detected capacity change from 0 to 32768 [ 524.891188][ T4664] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 26 /dev/loop3 scanned by udevd (4664) [ 524.893560][T15415] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 26 [ 524.963242][T15422] loop1: detected capacity change from 0 to 32768 [ 524.983434][T15422] BTRFS error: device /dev/loop1 already registered with a higher generation, found 8 expect 26 [ 525.055225][ T4401] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 26 [ 525.148710][ T4663] BTRFS error: device /dev/loop0 already registered with a higher generation, found 8 expect 26 [ 525.224221][T15429] loop4: detected capacity change from 0 to 32768 [ 525.245824][T15429] BTRFS error: device /dev/loop4 already registered with a higher generation, found 8 expect 26 [ 525.273110][ T4403] BTRFS error: device /dev/loop2 already registered with a higher generation, found 8 expect 26