Warning: Permanently added '10.128.1.31' (ED25519) to the list of known hosts. 2025/09/23 10:55:16 parsed 1 programs [ 51.405897][ T1916] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 51.923291][ T42] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.933678][ T42] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.941605][ T42] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.949565][ T1043] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.958603][ T1043] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.966018][ T1043] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.029961][ T1943] chnl_net:caif_netlink_parms(): no params data found [ 52.748516][ T1943] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.164438][ T1943] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.171487][ T1052] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.179157][ T1052] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 2025/09/23 10:55:19 executed programs: 0 [ 53.946595][ T42] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 53.956803][ T42] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 53.965073][ T42] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 53.969513][ T2405] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 53.980311][ T2405] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 53.987174][ T2416] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 53.987861][ T2405] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 53.995730][ T2416] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 54.003027][ T2405] Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 [ 54.010255][ T2416] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 54.024635][ T2405] Bluetooth: hci0: command 0x0409 tx timeout [ 54.025033][ T2416] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 54.031031][ T2405] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 54.046539][ T2405] Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 [ 54.049164][ T2416] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 54.053743][ T2405] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 54.060741][ T2416] Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 [ 54.068287][ T2405] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 54.075203][ T2416] Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 [ 54.082561][ T2405] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 54.090355][ T2416] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 54.097793][ T2405] Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 [ 54.104469][ T2416] Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 [ 54.112110][ T2405] Bluetooth: hci2: unexpected cc 0x0c25 length: 249 > 3 [ 54.119359][ T2416] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 54.127012][ T1041] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 54.133619][ T2416] Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 [ 54.140511][ T1041] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 54.147790][ T2416] Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 [ 54.155510][ T1041] Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 [ 54.171157][ T2416] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 54.396563][ T2410] chnl_net:caif_netlink_parms(): no params data found [ 54.403994][ T2413] chnl_net:caif_netlink_parms(): no params data found [ 54.446370][ T38] bond0 (unregistering): Released all slaves [ 54.514644][ T2403] chnl_net:caif_netlink_parms(): no params data found [ 54.521978][ T2408] chnl_net:caif_netlink_parms(): no params data found [ 54.529751][ T2401] chnl_net:caif_netlink_parms(): no params data found [ 56.183199][ T2416] Bluetooth: hci1: command 0x0409 tx timeout [ 56.189724][ T2416] Bluetooth: hci5: command 0x0409 tx timeout [ 56.196620][ T2407] Bluetooth: hci3: command 0x0409 tx timeout [ 56.203126][ T2407] Bluetooth: hci2: command 0x0409 tx timeout [ 56.263165][ T2416] Bluetooth: hci4: command 0x0409 tx timeout [ 56.849002][ T2401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.859593][ T2410] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.924224][ T2408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.933037][ T2403] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.966793][ T2413] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.263201][ T2416] Bluetooth: hci3: command 0x041b tx timeout [ 58.269472][ T2416] Bluetooth: hci5: command 0x041b tx timeout [ 58.275692][ T2407] Bluetooth: hci2: command 0x041b tx timeout [ 58.275719][ T2417] Bluetooth: hci1: command 0x041b tx timeout [ 58.322417][ T2401] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.329628][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.337263][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.346948][ T2417] Bluetooth: hci4: command 0x041b tx timeout [ 58.469648][ T2410] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.476969][ T1027] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.484835][ T1027] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.552278][ T2403] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.560253][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.568199][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.578121][ T2408] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.609582][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.617144][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.689637][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.697388][ T38] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.705555][ T2413] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.343301][ T2417] Bluetooth: hci5: command 0x040f tx timeout [ 60.349385][ T2417] Bluetooth: hci1: command 0x040f tx timeout [ 60.355892][ T1043] Bluetooth: hci2: command 0x040f tx timeout [ 60.355911][ T2416] Bluetooth: hci3: command 0x040f tx timeout [ 60.423241][ T2416] Bluetooth: hci4: command 0x040f tx timeout 2025/09/23 10:55:26 executed programs: 10 [ 61.441311][ T4338] loop0: detected capacity change from 0 to 32768 [ 61.461981][ T4339] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop0 scanned by udevd (4339) [ 61.504993][ T4338] BTRFS info (device loop0): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 [ 61.515756][ T4338] BTRFS info (device loop0): using xxhash64 (xxhash64-generic) checksum algorithm [ 61.525293][ T4338] BTRFS info (device loop0): force clearing of disk cache [ 61.532570][ T4338] BTRFS info (device loop0): setting nodatasum [ 61.538834][ T4338] BTRFS info (device loop0): allowing degraded mounts [ 61.545698][ T4338] BTRFS info (device loop0): enabling disk space caching [ 61.553065][ T4338] BTRFS info (device loop0): disk space caching is enabled [ 61.616300][ T4367] loop3: detected capacity change from 0 to 32768 [ 61.633252][ T4367] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.19 (4367) [ 61.665348][ T4339] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4339) [ 61.739894][ T4338] BTRFS info (device loop0): enabling ssd optimizations [ 61.754934][ T4338] BTRFS info (device loop0): rebuilding free space tree [ 61.768701][ T4338] BTRFS info (device loop0): disabling free space tree [ 61.776110][ T4338] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 61.786024][ T4338] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 61.803591][ T4338] BTRFS info (device loop0): checking UUID tree [ 61.817787][ T4338] BTRFS info (device loop0): balance: start -d -m [ 61.824835][ T4338] BTRFS info (device loop0): relocating block group 6881280 flags data|metadata [ 61.855413][ T4338] BTRFS info (device loop0): relocating block group 5242880 flags data|metadata [ 61.894022][ T4338] BTRFS info (device loop0): found 9 extents, stage: move data extents [ 61.931157][ T4338] BTRFS info (device loop0): found 1 extents, stage: update data pointers [ 61.940878][ T4409] loop3: detected capacity change from 0 to 32768 [ 61.949847][ T4338] BTRFS info (device loop0): balance: ended with status: 0 [ 61.972373][ T2401] BTRFS info (device loop0): last unmount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 [ 61.980915][ T4437] loop6: detected capacity change from 0 to 32768 [ 61.992946][ T4339] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4339) [ 62.003554][ T4383] BTRFS warning: duplicate device /dev/loop6 devid 1 generation 8 scanned by udevd (4383) [ 62.014010][ T4409] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.21 (4409) [ 62.027690][ T4437] BTRFS warning: duplicate device /dev/loop6 devid 1 generation 8 scanned by syz.6.18 (4437) [ 62.050656][ T4427] loop5: detected capacity change from 0 to 32768 [ 62.058876][ T4427] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop5 scanned by syz.5.20 (4427) [ 62.064734][ T4439] loop1: detected capacity change from 0 to 32768 [ 62.082236][ T4439] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.17 (4439) [ 62.114502][ T4427] BTRFS info (device loop5): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 [ 62.124828][ T4427] BTRFS info (device loop5): using xxhash64 (xxhash64-generic) checksum algorithm [ 62.134519][ T4427] BTRFS info (device loop5): force clearing of disk cache [ 62.141710][ T4427] BTRFS info (device loop5): setting nodatasum [ 62.148054][ T4427] BTRFS info (device loop5): allowing degraded mounts [ 62.155026][ T4427] BTRFS info (device loop5): enabling disk space caching [ 62.162912][ T4427] BTRFS info (device loop5): disk space caching is enabled [ 62.192763][ T4339] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4339) [ 62.305716][ T4452] loop1: detected capacity change from 0 to 32768 [ 62.323983][ T4452] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.23 (4452) [ 62.337387][ T4444] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4444) [ 62.404467][ T4455] loop6: detected capacity change from 0 to 32768 [ 62.415479][ T4457] loop0: detected capacity change from 0 to 32768 [ 62.421645][ T4455] BTRFS warning: duplicate device /dev/loop6 devid 1 generation 8 scanned by syz.6.24 (4455) [ 62.423243][ T2416] Bluetooth: hci3: command 0x0419 tx timeout [ 62.432644][ T2417] Bluetooth: hci1: command 0x0419 tx timeout [ 62.438399][ T2407] Bluetooth: hci2: command 0x0419 tx timeout [ 62.444541][ T1043] Bluetooth: hci5: command 0x0419 tx timeout [ 62.470797][ T4444] BTRFS warning: duplicate device /dev/loop6 devid 1 generation 8 scanned by udevd (4444) [ 62.481342][ T4457] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.22 (4457) [ 62.492809][ T4339] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4339) [ 62.503572][ T1043] Bluetooth: hci4: command 0x0419 tx timeout [ 62.540715][ T4459] loop3: detected capacity change from 0 to 32768 [ 62.556609][ T4459] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.25 (4459) [ 62.591531][ T4462] loop1: detected capacity change from 0 to 32768 [ 62.613411][ T4462] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.26 (4462) [ 62.624157][ T4444] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4444) [ 62.641468][ T4339] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4339) [ 62.669101][ T4427] BTRFS info (device loop5): enabling ssd optimizations [ 62.687872][ T4427] BTRFS info (device loop5): rebuilding free space tree [ 62.699805][ T4471] loop6: detected capacity change from 0 to 32768 [ 62.715610][ T4427] BTRFS info (device loop5): disabling free space tree [ 62.722760][ T4427] BTRFS info (device loop5): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 62.732898][ T4427] BTRFS info (device loop5): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 62.737589][ T4471] BTRFS warning: duplicate device /dev/loop6 devid 1 generation 8 scanned by syz.6.27 (4471) [ 62.769475][ T4383] BTRFS warning: duplicate device /dev/loop6 devid 1 generation 8 scanned by udevd (4383) [ 62.844862][ T4427] BTRFS info (device loop5): checking UUID tree [ 62.877731][ T4485] loop0: detected capacity change from 0 to 32768 [ 62.877793][ T4427] BTRFS info (device loop5): balance: start -d -m [ 62.890989][ T4427] BTRFS info (device loop5): relocating block group 6881280 flags data|metadata [ 62.906490][ T4485] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.30 (4485) [ 62.930348][ T4339] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4339) [ 62.961361][ T4479] loop3: detected capacity change from 0 to 32768 [ 62.970515][ T4479] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.28 (4479) [ 62.982287][ T4427] BTRFS info (device loop5): relocating block group 5242880 flags data|metadata [ 62.998654][ T4383] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4383) [ 63.011473][ T4482] loop1: detected capacity change from 0 to 32768 [ 63.021886][ T4427] BTRFS info (device loop5): found 9 extents, stage: move data extents [ 63.045939][ T4449] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4449) [ 63.063949][ T4482] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.29 (4482) [ 63.075973][ T4427] BTRFS info (device loop5): found 1 extents, stage: update data pointers [ 63.094776][ T4427] BTRFS info (device loop5): balance: ended with status: 0 [ 63.125232][ T2413] BTRFS info (device loop5): last unmount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 [ 63.223705][ T4488] loop6: detected capacity change from 0 to 32768 [ 63.234890][ T4488] BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop6 scanned by syz.6.31 (4488) [ 63.268138][ T4494] loop3: detected capacity change from 0 to 32768 [ 63.277650][ T4488] BTRFS info (device loop6): first mount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 [ 63.283547][ T4494] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.33 (4494) [ 63.288327][ T4488] BTRFS info (device loop6): using xxhash64 (xxhash64-generic) checksum algorithm [ 63.308351][ T4488] BTRFS info (device loop6): force clearing of disk cache [ 63.310852][ T4492] loop0: detected capacity change from 0 to 32768 [ 63.315879][ T4488] BTRFS info (device loop6): setting nodatasum [ 63.315886][ T4488] BTRFS info (device loop6): allowing degraded mounts [ 63.315891][ T4488] BTRFS info (device loop6): enabling disk space caching [ 63.315893][ T4488] BTRFS info (device loop6): disk space caching is enabled [ 63.347351][ T4339] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4339) [ 63.362867][ T4383] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4383) [ 63.392589][ T4492] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.32 (4492) [ 63.406771][ T4383] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4383) [ 63.481035][ T4496] loop1: detected capacity change from 0 to 32768 [ 63.495013][ T4496] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.35 (4496) [ 63.513078][ T4499] loop5: detected capacity change from 0 to 32768 [ 63.519842][ T4339] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4339) [ 63.533349][ T4499] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz.5.34 (4499) [ 63.547016][ T4444] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by udevd (4444) [ 63.593640][ T4444] I/O error, dev loop5, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 63.662466][ T4503] loop3: detected capacity change from 0 to 32768 [ 63.675121][ T4505] loop0: detected capacity change from 0 to 32768 [ 63.681949][ T4505] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.37 (4505) [ 63.713365][ T4503] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.36 (4503) [ 63.731786][ T4444] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4444) [ 63.742544][ T4339] I/O error, dev loop0, sector 32640 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 63.748695][ T4509] loop1: detected capacity change from 0 to 32768 [ 63.769747][ T4509] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.38 (4509) [ 63.785628][ T4383] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4383) [ 63.846983][ T4488] BTRFS info (device loop6): enabling ssd optimizations [ 63.863392][ T4488] BTRFS info (device loop6): rebuilding free space tree [ 63.889335][ T4488] BTRFS info (device loop6): disabling free space tree [ 63.896661][ T4488] BTRFS info (device loop6): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 63.907783][ T4488] BTRFS info (device loop6): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 63.934416][ T4517] loop5: detected capacity change from 0 to 32768 [ 63.961741][ T4517] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz.5.39 (4517) [ 63.973733][ T4488] BTRFS info (device loop6): checking UUID tree [ 63.986468][ T4444] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by udevd (4444) [ 64.007721][ T4488] BTRFS info (device loop6): balance: start -d -m [ 64.014499][ T4488] BTRFS info (device loop6): relocating block group 6881280 flags data|metadata [ 64.042257][ T4523] loop3: detected capacity change from 0 to 32768 [ 64.045871][ T4528] loop0: detected capacity change from 0 to 32768 [ 64.072879][ T4383] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4383) [ 64.088020][ T4488] BTRFS info (device loop6): relocating block group 5242880 flags data|metadata [ 64.095207][ T4449] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4449) [ 64.097957][ T38] BTRFS warning (device loop6): Skipping commit of aborted transaction. [ 64.112650][ T4523] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz.3.40 (4523) [ 64.115986][ T38] ------------[ cut here ]------------ [ 64.131972][ T38] WARNING: CPU: 0 PID: 38 at fs/btrfs/transaction.c:1996 btrfs_commit_transaction+0x129a/0x1420 [ 64.143180][ T38] Modules linked in: [ 64.147243][ T38] CPU: 0 PID: 38 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 64.154798][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 64.165477][ T38] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 64.173231][ T38] RIP: 0010:btrfs_commit_transaction+0x129a/0x1420 [ 64.179708][ T38] Code: e8 eb e6 a2 ff e9 17 fa ff ff 0f 1f 44 00 00 e9 26 fa ff ff 0f 0b e9 50 fa ff ff 48 c7 c7 78 41 43 83 44 89 ee e8 16 29 0d 01 <0f> 0b e9 03 fc ff ff f0 83 44 24 fc 00 49 8b 86 c0 05 00 00 65 ff [ 64.200097][ T38] RSP: 0018:ffffc9000035bca8 EFLAGS: 00010246 [ 64.206269][ T38] RAX: 77c3ec68aa1fcc00 RBX: ffff88817c279000 RCX: 77c3ec68aa1fcc00 [ 64.214703][ T38] RDX: 0000000000000000 RSI: 00000000ffffdfff RDI: 00000000ffffffff [ 64.222840][ T38] RBP: ffff88810a3ee800 R08: 0000000000001fff R09: ffffffff83898b20 [ 64.230895][ T38] R10: 0000000000005ffd R11: 00000000ffffdfff R12: ffff88810a3ee800 [ 64.238993][ T38] R13: 00000000ffffffe4 R14: ffff88810034d280 R15: ffffffff8172c694 [ 64.242600][ T4531] loop1: detected capacity change from 0 to 32768 [ 64.247187][ T38] FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 64.247192][ T38] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.247195][ T38] CR2: 00007f1199ca5000 CR3: 0000000109243000 CR4: 00000000003506f0 [ 64.247200][ T38] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.247202][ T38] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.247205][ T38] Call Trace: [ 64.247207][ T38] [ 64.269419][ T4339] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4339) [ 64.269528][ T38] ? btrfs_commit_transaction+0x44/0x1420 [ 64.303474][ T4531] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz.1.42 (4531) [ 64.310706][ T38] ? start_transaction+0x282/0x6e0 [ 64.332126][ T38] flush_space+0x284/0x5d0 [ 64.336719][ T38] ? btrfs_async_reclaim_metadata_space+0xbe/0x1a0 [ 64.343403][ T38] btrfs_async_reclaim_metadata_space+0xd1/0x1a0 [ 64.349750][ T38] ? process_one_work+0x236/0x530 [ 64.354788][ T38] process_one_work+0x2a4/0x530 [ 64.358950][ T4534] loop5: detected capacity change from 0 to 32768 [ 64.359816][ T38] worker_thread+0x251/0x400 [ 64.371003][ T38] ? worker_clr_flags+0x50/0x50 [ 64.375399][ T4528] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz.0.41 (4528) [ 64.375931][ T38] kthread+0xd7/0xf0 [ 64.390147][ T38] ? kthread_blkcg+0x30/0x30 [ 64.394914][ T38] ret_from_fork+0x1f/0x30 [ 64.399448][ T38] [ 64.402694][ T38] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 64.408029][ T4444] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by udevd (4444) [ 64.411656][ T4534] BTRFS warning: duplicate device /dev/loop5 devid 1 generation 8 scanned by syz.5.43 (4534) [ 64.415999][ T4339] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4339) [ 64.441322][ T38] CPU: 0 PID: 38 Comm: kworker/u4:2 Not tainted syzkaller #0 [ 64.449064][ T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 64.459727][ T38] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [ 64.467523][ T38] Call Trace: [ 64.471085][ T38] [ 64.474176][ T38] dump_stack_lvl+0x74/0xbb [ 64.479181][ T38] panic+0x118/0x2c0 [ 64.483682][ T38] ? btrfs_commit_transaction+0x129a/0x1420 [ 64.489905][ T38] __warn+0x160/0x1f0 [ 64.493879][ T38] ? btrfs_commit_transaction+0x129a/0x1420 [ 64.500110][ T38] report_bug+0xc9/0x160 [ 64.502243][ T4538] loop3: detected capacity change from 0 to 32768 [ 64.511163][ T38] handle_bug+0x3a/0x70 [ 64.515371][ T38] exc_invalid_op+0x16/0x40 [ 64.519929][ T38] asm_exc_invalid_op+0x16/0x20 [ 64.524918][ T38] RIP: 0010:btrfs_commit_transaction+0x129a/0x1420 [ 64.531736][ T38] Code: e8 eb e6 a2 ff e9 17 fa ff ff 0f 1f 44 00 00 e9 26 fa ff ff 0f 0b e9 50 fa ff ff 48 c7 c7 78 41 43 83 44 89 ee e8 16 29 0d 01 <0f> 0b e9 03 fc ff ff f0 83 44 24 fc 00 49 8b 86 c0 05 00 00 65 ff [ 64.554178][ T38] RSP: 0018:ffffc9000035bca8 EFLAGS: 00010246 [ 64.560383][ T38] RAX: 77c3ec68aa1fcc00 RBX: ffff88817c279000 RCX: 77c3ec68aa1fcc00 [ 64.568765][ T38] RDX: 0000000000000000 RSI: 00000000ffffdfff RDI: 00000000ffffffff [ 64.577167][ T38] RBP: ffff88810a3ee800 R08: 0000000000001fff R09: ffffffff83898b20 [ 64.585198][ T38] R10: 0000000000005ffd R11: 00000000ffffdfff R12: ffff88810a3ee800 [ 64.593313][ T38] R13: 00000000ffffffe4 R14: ffff88810034d280 R15: ffffffff8172c694 [ 64.601446][ T38] ? btrfs_commit_transaction+0x44/0x1420 [ 64.607585][ T38] ? btrfs_commit_transaction+0x129a/0x1420 [ 64.613615][ T38] ? btrfs_commit_transaction+0x44/0x1420 [ 64.619500][ T38] ? start_transaction+0x282/0x6e0 [ 64.624854][ T38] flush_space+0x284/0x5d0 [ 64.629423][ T38] ? btrfs_async_reclaim_metadata_space+0xbe/0x1a0 [ 64.636707][ T38] btrfs_async_reclaim_metadata_space+0xd1/0x1a0 [ 64.644153][ T38] ? process_one_work+0x236/0x530 [ 64.649785][ T38] process_one_work+0x2a4/0x530 [ 64.654951][ T38] worker_thread+0x251/0x400 [ 64.660218][ T38] ? worker_clr_flags+0x50/0x50 [ 64.665316][ T38] kthread+0xd7/0xf0 [ 64.669370][ T38] ? kthread_blkcg+0x30/0x30 [ 64.674287][ T38] ret_from_fork+0x1f/0x30 [ 64.678866][ T38] [ 64.682254][ T38] Kernel Offset: disabled [ 64.686741][ T38] Rebooting in 86400 seconds..