Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program syzkaller login: [ 46.396102][ T4026] loop2: detected capacity change from 0 to 32768 [ 46.433165][ T4028] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop2 scanned by udevd (4028) [ 46.439362][ T4026] ======================================================= [ 46.439362][ T4026] WARNING: The mand mount option has been deprecated and [ 46.439362][ T4026] and is ignored by this kernel. Remove the mand [ 46.439362][ T4026] option from the mount to silence this warning. [ 46.439362][ T4026] ======================================================= [ 46.491529][ T4026] BTRFS info (device loop2): using sha256 (sha256-ce) checksum algorithm [ 46.493317][ T4026] BTRFS info (device loop2): enabling ssd optimizations [ 46.494589][ T4026] BTRFS info (device loop2): using spread ssd allocation scheme [ 46.496221][ T4026] BTRFS info (device loop2): not using spread ssd allocation scheme [ 46.497780][ T4026] BTRFS info (device loop2): disabling tree log [ 46.528370][ T4026] BTRFS info (device loop2): turning on sync discard [ 46.529762][ T4026] BTRFS info (device loop2): setting nodatacow, compression disabled [ 46.531435][ T4026] BTRFS info (device loop2): force clearing of disk cache [ 46.532853][ T4026] BTRFS info (device loop2): using spread ssd allocation scheme [ 46.534487][ T4026] BTRFS info (device loop2): setting datasum, datacow enabled [ 46.535901][ T4026] BTRFS info (device loop2): using free space tree [ 46.537146][ T4026] BTRFS info (device loop2): has skinny extents [ 46.624922][ T4025] loop3: detected capacity change from 0 to 32768 [ 46.661154][ T4028] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4028) [ 46.681811][ T4027] loop1: detected capacity change from 0 to 32768 [ 46.696459][ T4029] loop4: detected capacity change from 0 to 32768 [ 46.706981][ T4028] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4028) [ 46.711621][ T4027] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4027) [ 46.721257][ T4025] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4025) [ 46.744095][ T4024] loop0: detected capacity change from 0 to 32768 [ 46.749295][ T4029] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4029) [ 46.754722][ T4030] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4030) executing program [ 46.771784][ T4026] BTRFS info (device loop2): clearing free space tree [ 46.773371][ T4026] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 46.775339][ T4026] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 46.788544][ T4026] BTRFS info (device loop2): creating free space tree [ 46.791614][ T4026] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 46.793665][ T4026] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 46.857428][ T4024] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4024) executing program executing program executing program executing program [ 47.283981][ T4053] loop1: detected capacity change from 0 to 32768 [ 47.363250][ T4048] loop4: detected capacity change from 0 to 32768 [ 47.369225][ T4053] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop1 scanned by syz-executor212 (4053) [ 47.428310][ T4053] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 47.430009][ T4053] BTRFS info (device loop1): enabling ssd optimizations [ 47.431407][ T4053] BTRFS info (device loop1): using spread ssd allocation scheme [ 47.432898][ T4053] BTRFS info (device loop1): not using spread ssd allocation scheme [ 47.434478][ T4053] BTRFS info (device loop1): disabling tree log [ 47.435763][ T4053] BTRFS info (device loop1): turning on sync discard [ 47.437620][ T4048] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4048) executing program [ 47.478699][ T4054] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4054) [ 47.481028][ T4053] BTRFS info (device loop1): setting nodatacow, compression disabled [ 47.482727][ T4053] BTRFS info (device loop1): force clearing of disk cache [ 47.484102][ T4053] BTRFS info (device loop1): using spread ssd allocation scheme [ 47.485641][ T4053] BTRFS info (device loop1): setting datasum, datacow enabled [ 47.487248][ T4053] BTRFS info (device loop1): using free space tree [ 47.525610][ T4053] BTRFS info (device loop1): has skinny extents [ 47.592657][ T4069] loop3: detected capacity change from 0 to 32768 [ 47.633229][ T4070] loop2: detected capacity change from 0 to 32768 [ 47.652510][ T4067] loop0: detected capacity change from 0 to 32768 [ 47.668432][ T4069] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4069) [ 47.682110][ T4054] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4054) executing program [ 47.698829][ T4053] BTRFS info (device loop1): clearing free space tree [ 47.700237][ T4053] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 47.702412][ T4053] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 47.709317][ T4053] BTRFS info (device loop1): creating free space tree [ 47.711246][ T4053] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 47.713119][ T4053] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 47.730433][ T4070] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4070) [ 47.788770][ T4067] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4067) [ 47.809212][ T4072] loop4: detected capacity change from 0 to 32768 [ 47.908236][ T4072] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop4 scanned by syz-executor212 (4072) [ 47.968390][ T4072] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm [ 47.970529][ T4072] BTRFS info (device loop4): enabling ssd optimizations [ 47.972067][ T4072] BTRFS info (device loop4): using spread ssd allocation scheme [ 47.973583][ T4072] BTRFS info (device loop4): not using spread ssd allocation scheme [ 47.975232][ T4072] BTRFS info (device loop4): disabling tree log [ 47.976430][ T4072] BTRFS info (device loop4): turning on sync discard executing program [ 47.990615][ T4072] BTRFS info (device loop4): setting nodatacow, compression disabled [ 48.008303][ T4072] BTRFS info (device loop4): force clearing of disk cache [ 48.009795][ T4072] BTRFS info (device loop4): using spread ssd allocation scheme [ 48.011190][ T4072] BTRFS info (device loop4): setting datasum, datacow enabled [ 48.023363][ T4072] BTRFS info (device loop4): using free space tree [ 48.024628][ T4072] BTRFS info (device loop4): has skinny extents executing program executing program [ 48.178145][ T4072] BTRFS info (device loop4): clearing free space tree [ 48.179693][ T4072] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.181930][ T4072] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.195376][ T4072] BTRFS info (device loop4): creating free space tree [ 48.198082][ T4072] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.200348][ T4072] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.403505][ T4089] loop3: detected capacity change from 0 to 32768 executing program [ 48.463392][ T4028] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop3 scanned by udevd (4028) [ 48.521258][ T4089] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 48.522935][ T4089] BTRFS info (device loop3): enabling ssd optimizations [ 48.524366][ T4089] BTRFS info (device loop3): using spread ssd allocation scheme [ 48.525920][ T4089] BTRFS info (device loop3): not using spread ssd allocation scheme [ 48.527555][ T4089] BTRFS info (device loop3): disabling tree log [ 48.548369][ T4089] BTRFS info (device loop3): turning on sync discard [ 48.549814][ T4089] BTRFS info (device loop3): setting nodatacow, compression disabled [ 48.551446][ T4089] BTRFS info (device loop3): force clearing of disk cache [ 48.552897][ T4089] BTRFS info (device loop3): using spread ssd allocation scheme [ 48.554563][ T4089] BTRFS info (device loop3): setting datasum, datacow enabled [ 48.556122][ T4089] BTRFS info (device loop3): using free space tree [ 48.557507][ T4089] BTRFS info (device loop3): has skinny extents [ 48.565082][ T4098] loop1: detected capacity change from 0 to 32768 [ 48.627631][ T4054] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4054) [ 48.629974][ T4093] loop2: detected capacity change from 0 to 32768 [ 48.667642][ T4100] loop0: detected capacity change from 0 to 32768 [ 48.698845][ T4098] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4098) [ 48.749762][ T4093] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4093) executing program [ 48.772811][ T4089] BTRFS info (device loop3): clearing free space tree [ 48.774497][ T4089] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.776306][ T4089] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.788363][ T4117] loop4: detected capacity change from 0 to 32768 [ 48.791578][ T4089] BTRFS info (device loop3): creating free space tree [ 48.793428][ T4089] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 48.795504][ T4089] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 48.807377][ T4100] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4100) [ 48.838913][ T4028] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4028) executing program [ 48.889125][ T4117] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4117) executing program executing program executing program [ 49.255429][ T4138] loop1: detected capacity change from 0 to 32768 [ 49.339025][ T4138] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop1 scanned by syz-executor212 (4138) [ 49.392241][ T4138] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 49.394136][ T4138] BTRFS info (device loop1): enabling ssd optimizations [ 49.395427][ T4138] BTRFS info (device loop1): using spread ssd allocation scheme [ 49.397061][ T4138] BTRFS info (device loop1): not using spread ssd allocation scheme [ 49.408340][ T4138] BTRFS info (device loop1): disabling tree log [ 49.409698][ T4138] BTRFS info (device loop1): turning on sync discard [ 49.411107][ T4138] BTRFS info (device loop1): setting nodatacow, compression disabled [ 49.412858][ T4138] BTRFS info (device loop1): force clearing of disk cache [ 49.414310][ T4138] BTRFS info (device loop1): using spread ssd allocation scheme [ 49.419036][ T4135] loop2: detected capacity change from 0 to 32768 [ 49.436291][ T4138] BTRFS info (device loop1): setting datasum, datacow enabled [ 49.437797][ T4138] BTRFS info (device loop1): using free space tree [ 49.446446][ T4138] BTRFS info (device loop1): has skinny extents [ 49.468260][ T4135] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4135) [ 49.512880][ T4139] loop0: detected capacity change from 0 to 32768 [ 49.535923][ T4139] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4139) [ 49.573708][ T4030] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4030) [ 49.595725][ T4141] loop4: detected capacity change from 0 to 32768 [ 49.643608][ T4141] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4141) executing program executing program [ 49.686778][ T4140] loop3: detected capacity change from 0 to 32768 [ 49.714025][ T4138] BTRFS info (device loop1): clearing free space tree [ 49.715466][ T4138] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 49.717810][ T4138] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 49.731588][ T4138] BTRFS info (device loop1): creating free space tree [ 49.733506][ T4138] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 49.735381][ T4138] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 49.747915][ T4140] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4140) [ 49.778783][ T4138] [ 49.779300][ T4138] ====================================================== [ 49.780816][ T4138] WARNING: possible circular locking dependency detected [ 49.782387][ T4138] 5.15.173-syzkaller #0 Not tainted [ 49.783381][ T4138] ------------------------------------------------------ [ 49.784772][ T4138] syz-executor212/4138 is trying to acquire lock: [ 49.786052][ T4138] ffff0000dc07c650 (sb_internal#2){.+.+}-{0:0}, at: btrfs_join_transaction+0x30/0x40 [ 49.788075][ T4138] [ 49.788075][ T4138] but task is already holding lock: [ 49.789614][ T4138] ffff0000d353a398 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x15c/0x2b4 [ 49.791449][ T4138] [ 49.791449][ T4138] which lock already depends on the new lock. [ 49.791449][ T4138] [ 49.793481][ T4138] [ 49.793481][ T4138] the existing dependency chain (in reverse order) is: [ 49.795591][ T4138] [ 49.795591][ T4138] -> #4 (&mm->mmap_lock){++++}-{3:3}: [ 49.797154][ T4138] __might_fault+0xc8/0x128 [ 49.798226][ T4138] filldir64+0x2bc/0x9e4 [ 49.799182][ T4138] ext4_readdir+0x2ab4/0x32b4 [ 49.800186][ T4138] iterate_dir+0x1f4/0x4ec [ 49.801245][ T4138] __arm64_sys_getdents64+0x1c4/0x4c4 [ 49.802511][ T4138] invoke_syscall+0x98/0x2b8 [ 49.803507][ T4138] el0_svc_common+0x138/0x258 [ 49.804510][ T4138] do_el0_svc+0x58/0x14c [ 49.805452][ T4138] el0_svc+0x7c/0x1f0 [ 49.806330][ T4138] el0t_64_sync_handler+0x84/0xe4 [ 49.807442][ T4138] el0t_64_sync+0x1a0/0x1a4 [ 49.808390][ T4138] [ 49.808390][ T4138] -> #3 (&type->i_mutex_dir_key#3){++++}-{3:3}: [ 49.810052][ T4138] down_read+0xc0/0x398 [ 49.811004][ T4138] lookup_slow+0x50/0x84 [ 49.811929][ T4138] walk_component+0x394/0x4cc [ 49.813027][ T4138] path_lookupat+0x13c/0x3d0 [ 49.814009][ T4138] filename_lookup+0x1c4/0x4c8 [ 49.815122][ T4138] kern_path+0x4c/0x194 [ 49.816057][ T4138] lookup_bdev+0xc0/0x25c [ 49.816990][ T4138] btrfs_free_stale_devices+0x658/0x9ec [ 49.818312][ T4138] btrfs_forget_devices+0x5c/0x98 [ 49.819389][ T4138] btrfs_control_ioctl+0x12c/0x248 [ 49.820621][ T4138] __arm64_sys_ioctl+0x14c/0x1c8 [ 49.821640][ T4138] invoke_syscall+0x98/0x2b8 [ 49.822682][ T4138] el0_svc_common+0x138/0x258 [ 49.823678][ T4138] do_el0_svc+0x58/0x14c [ 49.824689][ T4138] el0_svc+0x7c/0x1f0 [ 49.825608][ T4138] el0t_64_sync_handler+0x84/0xe4 [ 49.826734][ T4138] el0t_64_sync+0x1a0/0x1a4 [ 49.827859][ T4138] [ 49.827859][ T4138] -> #2 (&fs_devs->device_list_mutex){+.+.}-{3:3}: [ 49.829690][ T4138] __mutex_lock_common+0x194/0x2154 [ 49.830823][ T4138] mutex_lock_nested+0xa4/0xf8 [ 49.831934][ T4138] btrfs_run_dev_stats+0xe4/0xe24 [ 49.833082][ T4138] commit_cowonly_roots+0x17c/0x808 [ 49.834300][ T4138] btrfs_commit_transaction+0xef4/0x30f0 [ 49.835467][ T4138] btrfs_clear_free_space_tree+0x5d0/0x9bc [ 49.836766][ T4138] btrfs_start_pre_rw_mount+0x24c/0x578 [ 49.837972][ T4138] open_ctree+0x2290/0x28f4 [ 49.838960][ T4138] btrfs_fill_super+0x1b4/0x2c8 [ 49.840107][ T4138] btrfs_mount_root+0x6f8/0x7f8 [ 49.841322][ T4138] legacy_get_tree+0xd4/0x16c [ 49.842362][ T4138] vfs_get_tree+0x90/0x274 [ 49.843508][ T4138] vfs_kern_mount+0xdc/0x178 [ 49.844535][ T4138] btrfs_mount+0x328/0x9b8 [ 49.845520][ T4138] legacy_get_tree+0xd4/0x16c [ 49.846606][ T4138] vfs_get_tree+0x90/0x274 [ 49.847583][ T4138] do_new_mount+0x278/0x8fc [ 49.848615][ T4138] path_mount+0x594/0x101c [ 49.849583][ T4138] __arm64_sys_mount+0x510/0x5e0 [ 49.850772][ T4138] invoke_syscall+0x98/0x2b8 [ 49.851710][ T4138] el0_svc_common+0x138/0x258 [ 49.852807][ T4138] do_el0_svc+0x58/0x14c [ 49.853892][ T4138] el0_svc+0x7c/0x1f0 [ 49.854703][ T4138] el0t_64_sync_handler+0x84/0xe4 [ 49.855917][ T4138] el0t_64_sync+0x1a0/0x1a4 [ 49.856978][ T4138] [ 49.856978][ T4138] -> #1 (&fs_info->tree_log_mutex){+.+.}-{3:3}: [ 49.858844][ T4138] lock_release+0x340/0xa1c [ 49.859853][ T4138] __mutex_unlock_slowpath+0xe0/0x6d4 [ 49.861025][ T4138] mutex_unlock+0x8c/0xe0 [ 49.862089][ T4138] btrfs_commit_transaction+0x1650/0x30f0 [ 49.863276][ T4138] btrfs_clear_free_space_tree+0x5d0/0x9bc [ 49.864543][ T4138] btrfs_start_pre_rw_mount+0x24c/0x578 [ 49.865890][ T4138] open_ctree+0x2290/0x28f4 [ 49.866854][ T4138] btrfs_fill_super+0x1b4/0x2c8 [ 49.867906][ T4138] btrfs_mount_root+0x6f8/0x7f8 [ 49.868955][ T4138] legacy_get_tree+0xd4/0x16c [ 49.870057][ T4138] vfs_get_tree+0x90/0x274 [ 49.871088][ T4138] vfs_kern_mount+0xdc/0x178 [ 49.872145][ T4138] btrfs_mount+0x328/0x9b8 [ 49.873224][ T4138] legacy_get_tree+0xd4/0x16c [ 49.874361][ T4138] vfs_get_tree+0x90/0x274 [ 49.875377][ T4138] do_new_mount+0x278/0x8fc [ 49.876357][ T4138] path_mount+0x594/0x101c [ 49.877264][ T4138] __arm64_sys_mount+0x510/0x5e0 [ 49.878341][ T4138] invoke_syscall+0x98/0x2b8 [ 49.879419][ T4138] el0_svc_common+0x138/0x258 [ 49.880416][ T4138] do_el0_svc+0x58/0x14c [ 49.881418][ T4138] el0_svc+0x7c/0x1f0 [ 49.882316][ T4138] el0t_64_sync_handler+0x84/0xe4 [ 49.883504][ T4138] el0t_64_sync+0x1a0/0x1a4 [ 49.884521][ T4138] [ 49.884521][ T4138] -> #0 (sb_internal#2){.+.+}-{0:0}: [ 49.886068][ T4138] __lock_acquire+0x32d4/0x7638 [ 49.887233][ T4138] lock_acquire+0x240/0x77c [ 49.888262][ T4138] start_transaction+0x644/0x1480 [ 49.889349][ T4138] btrfs_join_transaction+0x30/0x40 [ 49.890519][ T4138] btrfs_dirty_inode+0xb4/0x1c0 [ 49.891563][ T4138] btrfs_update_time+0x248/0x270 [ 49.892696][ T4138] touch_atime+0x434/0xa4c [ 49.893595][ T4138] btrfs_file_mmap+0xb0/0x11c [ 49.894783][ T4138] mmap_region+0xcb4/0x12f0 [ 49.895754][ T4138] do_mmap+0x6c0/0xcec [ 49.896644][ T4138] vm_mmap_pgoff+0x1a4/0x2b4 [ 49.897631][ T4138] ksys_mmap_pgoff+0x458/0x668 [ 49.898628][ T4138] __arm64_sys_mmap+0xf8/0x110 [ 49.899735][ T4138] invoke_syscall+0x98/0x2b8 [ 49.900770][ T4138] el0_svc_common+0x138/0x258 [ 49.901804][ T4138] do_el0_svc+0x58/0x14c [ 49.902792][ T4138] el0_svc+0x7c/0x1f0 [ 49.903748][ T4138] el0t_64_sync_handler+0x84/0xe4 [ 49.904899][ T4138] el0t_64_sync+0x1a0/0x1a4 [ 49.905953][ T4138] [ 49.905953][ T4138] other info that might help us debug this: [ 49.905953][ T4138] [ 49.908019][ T4138] Chain exists of: [ 49.908019][ T4138] sb_internal#2 --> &type->i_mutex_dir_key#3 --> &mm->mmap_lock [ 49.908019][ T4138] [ 49.910846][ T4138] Possible unsafe locking scenario: [ 49.910846][ T4138] [ 49.912339][ T4138] CPU0 CPU1 [ 49.913489][ T4138] ---- ---- [ 49.914621][ T4138] lock(&mm->mmap_lock); [ 49.915493][ T4138] lock(&type->i_mutex_dir_key#3); [ 49.916980][ T4138] lock(&mm->mmap_lock); [ 49.918464][ T4138] lock(sb_internal#2); [ 49.919386][ T4138] [ 49.919386][ T4138] *** DEADLOCK *** [ 49.919386][ T4138] [ 49.921034][ T4138] 2 locks held by syz-executor212/4138: [ 49.922091][ T4138] #0: ffff0000d353a398 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x15c/0x2b4 [ 49.924144][ T4138] #1: ffff0000dc07c460 (sb_writers#8){.+.+}-{0:0}, at: btrfs_file_mmap+0xb0/0x11c [ 49.926053][ T4138] [ 49.926053][ T4138] stack backtrace: [ 49.927274][ T4138] CPU: 1 PID: 4138 Comm: syz-executor212 Not tainted 5.15.173-syzkaller #0 [ 49.929075][ T4138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 49.931041][ T4138] Call trace: [ 49.931679][ T4138] dump_backtrace+0x0/0x530 [ 49.932539][ T4138] show_stack+0x2c/0x3c [ 49.933422][ T4138] dump_stack_lvl+0x108/0x170 [ 49.934366][ T4138] dump_stack+0x1c/0x58 [ 49.935163][ T4138] print_circular_bug+0x150/0x1b8 [ 49.936090][ T4138] check_noncircular+0x2cc/0x378 [ 49.937146][ T4138] __lock_acquire+0x32d4/0x7638 [ 49.937665][ T4160] loop0: detected capacity change from 0 to 32768 [ 49.938172][ T4138] lock_acquire+0x240/0x77c [ 49.938185][ T4138] start_transaction+0x644/0x1480 [ 49.938196][ T4138] btrfs_join_transaction+0x30/0x40 [ 49.938205][ T4138] btrfs_dirty_inode+0xb4/0x1c0 [ 49.938214][ T4138] btrfs_update_time+0x248/0x270 [ 49.938222][ T4138] touch_atime+0x434/0xa4c [ 49.945661][ T4138] btrfs_file_mmap+0xb0/0x11c [ 49.946660][ T4138] mmap_region+0xcb4/0x12f0 [ 49.947545][ T4138] do_mmap+0x6c0/0xcec [ 49.948360][ T4138] vm_mmap_pgoff+0x1a4/0x2b4 [ 49.949374][ T4138] ksys_mmap_pgoff+0x458/0x668 [ 49.950410][ T4138] __arm64_sys_mmap+0xf8/0x110 [ 49.951445][ T4138] invoke_syscall+0x98/0x2b8 [ 49.952391][ T4138] el0_svc_common+0x138/0x258 [ 49.953266][ T4138] do_el0_svc+0x58/0x14c [ 49.954075][ T4138] el0_svc+0x7c/0x1f0 [ 49.954873][ T4138] el0t_64_sync_handler+0x84/0xe4 [ 49.955928][ T4138] el0t_64_sync+0x1a0/0x1a4 executing program [ 49.985787][ T4159] loop2: detected capacity change from 0 to 32768 [ 50.023121][ T4160] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor212 (4160) [ 50.049434][ T4159] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4159) [ 50.078183][ T4160] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 50.080021][ T4160] BTRFS info (device loop0): enabling ssd optimizations [ 50.081525][ T4160] BTRFS info (device loop0): using spread ssd allocation scheme [ 50.083080][ T4160] BTRFS info (device loop0): not using spread ssd allocation scheme [ 50.084641][ T4160] BTRFS info (device loop0): disabling tree log [ 50.085765][ T4160] BTRFS info (device loop0): turning on sync discard [ 50.087060][ T4160] BTRFS info (device loop0): setting nodatacow, compression disabled [ 50.108184][ T4160] BTRFS info (device loop0): force clearing of disk cache [ 50.111908][ T4160] BTRFS info (device loop0): using spread ssd allocation scheme [ 50.113473][ T4160] BTRFS info (device loop0): setting datasum, datacow enabled [ 50.149948][ T4030] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4030) executing program [ 50.192352][ T4163] loop4: detected capacity change from 0 to 32768 executing program executing program [ 50.237441][ T4163] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4163) [ 50.249805][ T4054] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4054) executing program executing program [ 50.528614][ T4184] loop4: detected capacity change from 0 to 32768 [ 50.568199][ T4184] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop4 scanned by syz-executor212 (4184) [ 50.690252][ T4181] loop3: detected capacity change from 0 to 32768 [ 50.697308][ T4167] loop2: detected capacity change from 0 to 32768 [ 50.716889][ T4192] loop0: detected capacity change from 0 to 32768 [ 50.747333][ T4181] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4181) [ 50.752903][ T4179] loop1: detected capacity change from 0 to 32768 executing program [ 50.801057][ T4167] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4167) [ 50.840064][ T4054] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4054) [ 50.842222][ T4192] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4192) executing program executing program [ 50.886073][ T4179] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop1 scanned by syz-executor212 (4179) [ 50.924325][ T4171] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4171) [ 50.932718][ T4028] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4028) executing program [ 51.093281][ T4226] loop3: detected capacity change from 0 to 32768 [ 51.161870][ T4226] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4226) [ 51.226883][ T4227] loop2: detected capacity change from 0 to 32768 executing program [ 51.290741][ T4228] loop0: detected capacity change from 0 to 32768 executing program [ 51.329637][ T4227] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop2 scanned by syz-executor212 (4227) [ 51.376725][ T4231] loop4: detected capacity change from 0 to 32768 [ 51.388497][ T4228] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4228) [ 51.478705][ T4231] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4231) executing program [ 51.560867][ T4250] loop3: detected capacity change from 0 to 32768 [ 51.618823][ T4227] btrfs_printk: 56 callbacks suppressed [ 51.618837][ T4227] BTRFS info (device loop2): clearing free space tree [ 51.621536][ T4227] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.623456][ T4227] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.631268][ T4227] BTRFS info (device loop2): creating free space tree [ 51.631813][ T4249] loop1: detected capacity change from 0 to 32768 [ 51.633084][ T4227] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 51.636268][ T4227] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 51.651934][ T4250] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4250) executing program [ 51.717022][ T4249] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4249) [ 51.745711][ T4054] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4054) executing program executing program [ 51.898550][ T4266] loop0: detected capacity change from 0 to 32768 executing program [ 51.958397][ T4266] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor212 (4266) [ 51.978467][ T4271] loop4: detected capacity change from 0 to 32768 [ 52.009442][ T4266] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 52.011578][ T4266] BTRFS info (device loop0): enabling ssd optimizations [ 52.013198][ T4266] BTRFS info (device loop0): using spread ssd allocation scheme [ 52.014818][ T4266] BTRFS info (device loop0): not using spread ssd allocation scheme [ 52.016283][ T4266] BTRFS info (device loop0): disabling tree log [ 52.017614][ T4266] BTRFS info (device loop0): turning on sync discard [ 52.019416][ T4266] BTRFS info (device loop0): setting nodatacow, compression disabled [ 52.021225][ T4266] BTRFS info (device loop0): force clearing of disk cache [ 52.023910][ T4271] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4271) [ 52.027743][ T4266] BTRFS info (device loop0): using spread ssd allocation scheme [ 52.037937][ T4266] BTRFS info (device loop0): setting datasum, datacow enabled [ 52.039564][ T4266] BTRFS info (device loop0): using free space tree [ 52.040874][ T4266] BTRFS info (device loop0): has skinny extents [ 52.048741][ T4028] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4028) executing program [ 52.180690][ T4273] loop3: detected capacity change from 0 to 32768 [ 52.202162][ T4272] loop1: detected capacity change from 0 to 32768 [ 52.252283][ T4274] loop2: detected capacity change from 0 to 32768 [ 52.264191][ T4277] loop4: detected capacity change from 0 to 32768 [ 52.266952][ T4273] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4273) [ 52.274460][ T4266] BTRFS info (device loop0): clearing free space tree [ 52.278423][ T4266] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) executing program [ 52.280525][ T4266] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.284831][ T4266] BTRFS info (device loop0): creating free space tree [ 52.286515][ T4266] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 52.289552][ T4266] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 52.293379][ T4272] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4272) [ 52.328474][ T4171] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4171) [ 52.338354][ T4274] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4274) [ 52.378795][ T4277] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4277) [ 52.435690][ T4030] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 12 /dev/loop0 scanned by udevd (4030) executing program executing program executing program [ 52.572371][ T4295] loop3: detected capacity change from 0 to 32768 executing program [ 52.759451][ T4296] loop1: detected capacity change from 0 to 32768 [ 52.902419][ T4299] loop4: detected capacity change from 0 to 32768 executing program [ 52.905921][ T4297] loop0: detected capacity change from 0 to 32768 executing program [ 52.950702][ T4300] loop2: detected capacity change from 0 to 32768 [ 53.085157][ T4297] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 53.086866][ T4297] BTRFS info (device loop0): enabling ssd optimizations [ 53.095188][ T4297] BTRFS info (device loop0): using spread ssd allocation scheme [ 53.096743][ T4297] BTRFS info (device loop0): not using spread ssd allocation scheme [ 53.102172][ T4301] loop1: detected capacity change from 0 to 32768 [ 53.125393][ T4297] BTRFS info (device loop0): disabling tree log [ 53.126819][ T4297] BTRFS info (device loop0): turning on sync discard [ 53.140339][ T4297] BTRFS info (device loop0): setting nodatacow, compression disabled [ 53.142158][ T4297] BTRFS info (device loop0): force clearing of disk cache [ 53.143838][ T4297] BTRFS info (device loop0): using spread ssd allocation scheme [ 53.145444][ T4297] BTRFS info (device loop0): setting datasum, datacow enabled [ 53.147040][ T4297] BTRFS info (device loop0): using free space tree [ 53.159163][ T4301] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4301) [ 53.160926][ T4302] loop3: detected capacity change from 0 to 32768 [ 53.161532][ T4054] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4054) [ 53.163215][ T4297] BTRFS info (device loop0): has skinny extents executing program [ 53.210511][ T4302] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4302) executing program executing program [ 53.274301][ T4297] BTRFS info (device loop0): clearing free space tree [ 53.275716][ T4297] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.277680][ T4297] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.327407][ T4297] BTRFS info (device loop0): creating free space tree [ 53.347103][ T4297] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.355929][ T4297] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.419130][ T4317] loop2: detected capacity change from 0 to 32768 [ 53.487180][ T4306] loop4: detected capacity change from 0 to 32768 executing program [ 53.508410][ T4317] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4317) [ 53.518621][ T4028] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop2 scanned by udevd (4028) executing program executing program [ 53.650871][ T4315] loop1: detected capacity change from 0 to 32768 [ 53.679051][ T4306] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm [ 53.680982][ T4306] BTRFS info (device loop4): enabling ssd optimizations [ 53.682381][ T4306] BTRFS info (device loop4): using spread ssd allocation scheme [ 53.683955][ T4306] BTRFS info (device loop4): not using spread ssd allocation scheme [ 53.685774][ T4306] BTRFS info (device loop4): disabling tree log [ 53.687120][ T4306] BTRFS info (device loop4): turning on sync discard [ 53.698316][ T4315] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4315) [ 53.706573][ T4306] BTRFS info (device loop4): setting nodatacow, compression disabled [ 53.708433][ T4306] BTRFS info (device loop4): force clearing of disk cache [ 53.709762][ T4306] BTRFS info (device loop4): using spread ssd allocation scheme [ 53.711247][ T4306] BTRFS info (device loop4): setting datasum, datacow enabled [ 53.712873][ T4306] BTRFS info (device loop4): using free space tree [ 53.714194][ T4306] BTRFS info (device loop4): has skinny extents [ 53.838738][ T4329] loop2: detected capacity change from 0 to 32768 [ 53.848766][ T4327] loop0: detected capacity change from 0 to 32768 [ 53.857898][ T4306] BTRFS info (device loop4): clearing free space tree [ 53.859898][ T4306] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.861766][ T4306] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 53.868887][ T4306] BTRFS info (device loop4): creating free space tree [ 53.870651][ T4306] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 53.872592][ T4306] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) executing program [ 53.916787][ T4326] loop3: detected capacity change from 0 to 32768 [ 53.932900][ T4327] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4327) [ 53.971853][ T4329] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4329) [ 54.078952][ T4326] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop3 scanned by syz-executor212 (4326) [ 54.083446][ T4326] BTRFS info (device loop3): using sha256 (sha256-ce) checksum algorithm [ 54.085296][ T4326] BTRFS info (device loop3): enabling ssd optimizations [ 54.086747][ T4326] BTRFS info (device loop3): using spread ssd allocation scheme [ 54.098629][ T4326] BTRFS info (device loop3): not using spread ssd allocation scheme [ 54.100282][ T4326] BTRFS info (device loop3): disabling tree log [ 54.101592][ T4326] BTRFS info (device loop3): turning on sync discard executing program [ 54.103102][ T4326] BTRFS info (device loop3): setting nodatacow, compression disabled [ 54.104950][ T4326] BTRFS info (device loop3): force clearing of disk cache [ 54.106280][ T4326] BTRFS info (device loop3): using spread ssd allocation scheme [ 54.107933][ T4326] BTRFS info (device loop3): setting datasum, datacow enabled [ 54.148224][ T4326] BTRFS info (device loop3): using free space tree [ 54.149559][ T4326] BTRFS info (device loop3): has skinny extents executing program executing program [ 54.278739][ T4326] BTRFS info (device loop3): clearing free space tree [ 54.280209][ T4326] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 54.282246][ T4326] BTRFS info (device loop3): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 54.298926][ T4326] BTRFS info (device loop3): creating free space tree [ 54.300716][ T4326] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 54.313047][ T4326] BTRFS info (device loop3): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 54.318001][ T4351] loop0: detected capacity change from 0 to 32768 [ 54.407533][ T4351] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor212 (4351) [ 54.428122][ T4351] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 54.429859][ T4351] BTRFS info (device loop0): enabling ssd optimizations [ 54.431380][ T4351] BTRFS info (device loop0): using spread ssd allocation scheme [ 54.432934][ T4351] BTRFS info (device loop0): not using spread ssd allocation scheme [ 54.434413][ T4351] BTRFS info (device loop0): disabling tree log [ 54.435648][ T4351] BTRFS info (device loop0): turning on sync discard [ 54.437046][ T4351] BTRFS info (device loop0): setting nodatacow, compression disabled [ 54.450535][ T4362] loop2: detected capacity change from 0 to 32768 [ 54.460708][ T4349] loop1: detected capacity change from 0 to 32768 executing program [ 54.484171][ T4351] BTRFS info (device loop0): force clearing of disk cache [ 54.485900][ T4351] BTRFS info (device loop0): using spread ssd allocation scheme [ 54.487348][ T4351] BTRFS info (device loop0): setting datasum, datacow enabled [ 54.504801][ T4351] BTRFS info (device loop0): using free space tree [ 54.504863][ T4362] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4362) [ 54.506128][ T4351] BTRFS info (device loop0): has skinny extents executing program [ 54.549139][ T4349] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4349) [ 54.610110][ T4363] loop4: detected capacity change from 0 to 32768 [ 54.631349][ T4363] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4363) [ 54.633659][ T4028] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4028) [ 54.638201][ T4171] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4171) executing program [ 54.647926][ T4054] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4054) [ 54.673256][ T4373] loop3: detected capacity change from 0 to 32768 executing program [ 54.716071][ T4351] BTRFS info (device loop0): clearing free space tree [ 54.717483][ T4351] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 54.729617][ T4373] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4373) [ 54.731999][ T4351] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 54.749303][ T4351] BTRFS info (device loop0): creating free space tree [ 54.751118][ T4351] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 54.753081][ T4351] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 54.768573][ T4030] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4030) executing program executing program [ 54.961829][ T4388] loop1: detected capacity change from 0 to 32768 [ 55.023700][ T4388] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop1 scanned by syz-executor212 (4388) [ 55.062032][ T4388] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 55.063801][ T4388] BTRFS info (device loop1): enabling ssd optimizations [ 55.065082][ T4388] BTRFS info (device loop1): using spread ssd allocation scheme [ 55.066522][ T4388] BTRFS info (device loop1): not using spread ssd allocation scheme [ 55.137688][ T4374] loop2: detected capacity change from 0 to 32768 [ 55.163832][ T4391] loop4: detected capacity change from 0 to 32768 [ 55.231192][ T4397] loop0: detected capacity change from 0 to 32768 [ 55.255583][ T4395] loop3: detected capacity change from 0 to 32768 [ 55.255929][ T4374] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4374) executing program [ 55.280707][ T4391] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4391) [ 55.368149][ T4171] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop2 scanned by udevd (4171) executing program [ 55.439688][ T4395] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4395) [ 55.444615][ T4170] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4170) executing program executing program executing program [ 55.876254][ T4423] loop4: detected capacity change from 0 to 32768 [ 55.887132][ T4428] loop3: detected capacity change from 0 to 32768 [ 55.892316][ T4418] loop2: detected capacity change from 0 to 32768 [ 55.915751][ T4420] loop1: detected capacity change from 0 to 32768 [ 55.937330][ T4428] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop3 scanned by syz-executor212 (4428) [ 55.993816][ T4443] loop0: detected capacity change from 0 to 32768 [ 55.999128][ T4418] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4418) [ 56.028338][ T4423] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4423) [ 56.030763][ T4443] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4443) executing program [ 56.096863][ T4420] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4420) executing program [ 56.131024][ T4171] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4171) [ 56.137460][ T4028] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4028) executing program executing program executing program [ 56.453198][ T4464] loop2: detected capacity change from 0 to 32768 [ 56.454966][ T4461] loop0: detected capacity change from 0 to 32768 [ 56.472564][ T4464] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop2 scanned by syz-executor212 (4464) [ 56.484650][ T4461] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4461) [ 56.620096][ T4460] loop4: detected capacity change from 0 to 32768 [ 56.649136][ T4464] btrfs_printk: 62 callbacks suppressed [ 56.649150][ T4464] BTRFS info (device loop2): clearing free space tree [ 56.651600][ T4464] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.653527][ T4464] BTRFS info (device loop2): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.676732][ T4464] BTRFS info (device loop2): creating free space tree [ 56.678595][ T4464] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 56.680648][ T4464] BTRFS info (device loop2): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 56.698862][ T4460] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4460) [ 56.713881][ T4467] loop1: detected capacity change from 0 to 32768 executing program [ 56.744025][ T4466] loop3: detected capacity change from 0 to 32768 [ 56.787391][ T4467] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop1 scanned by syz-executor212 (4467) executing program [ 56.848338][ T4466] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4466) [ 56.857215][ T4467] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 56.859225][ T4467] BTRFS info (device loop1): enabling ssd optimizations [ 56.860649][ T4467] BTRFS info (device loop1): using spread ssd allocation scheme [ 56.862279][ T4467] BTRFS info (device loop1): not using spread ssd allocation scheme [ 56.863881][ T4467] BTRFS info (device loop1): disabling tree log [ 56.865077][ T4467] BTRFS info (device loop1): turning on sync discard [ 56.866436][ T4467] BTRFS info (device loop1): setting nodatacow, compression disabled [ 56.909482][ T4467] BTRFS info (device loop1): force clearing of disk cache [ 56.910983][ T4467] BTRFS info (device loop1): using spread ssd allocation scheme [ 56.912452][ T4467] BTRFS info (device loop1): setting datasum, datacow enabled [ 56.913945][ T4467] BTRFS info (device loop1): using free space tree [ 56.915193][ T4467] BTRFS info (device loop1): has skinny extents executing program [ 57.078530][ T4492] loop4: detected capacity change from 0 to 32768 [ 57.089845][ T4492] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4492) [ 57.101192][ T4487] loop0: detected capacity change from 0 to 32768 [ 57.104875][ T4171] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4171) executing program [ 57.128829][ T4467] BTRFS info (device loop1): clearing free space tree [ 57.130280][ T4467] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.132142][ T4467] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.137993][ T4467] BTRFS info (device loop1): creating free space tree executing program [ 57.141915][ T4467] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.143929][ T4467] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.152409][ T4489] loop2: detected capacity change from 0 to 32768 [ 57.160382][ T4487] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4487) [ 57.209598][ T4489] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4489) [ 57.219334][ T4054] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4054) [ 57.237462][ T4028] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by udevd (4028) executing program executing program [ 57.381486][ T4508] loop4: detected capacity change from 0 to 32768 executing program [ 57.430365][ T4508] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop4 scanned by syz-executor212 (4508) [ 57.455627][ T4508] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm [ 57.457300][ T4508] BTRFS info (device loop4): enabling ssd optimizations [ 57.462589][ T4508] BTRFS info (device loop4): using spread ssd allocation scheme [ 57.464283][ T4508] BTRFS info (device loop4): not using spread ssd allocation scheme [ 57.466091][ T4508] BTRFS info (device loop4): disabling tree log [ 57.467355][ T4508] BTRFS info (device loop4): turning on sync discard [ 57.508065][ T4508] BTRFS info (device loop4): setting nodatacow, compression disabled [ 57.509992][ T4508] BTRFS info (device loop4): force clearing of disk cache [ 57.511396][ T4508] BTRFS info (device loop4): using spread ssd allocation scheme [ 57.512996][ T4508] BTRFS info (device loop4): setting datasum, datacow enabled [ 57.518799][ T4508] BTRFS info (device loop4): using free space tree [ 57.541479][ T4508] BTRFS info (device loop4): has skinny extents [ 57.591531][ T4514] loop2: detected capacity change from 0 to 32768 [ 57.651949][ T4514] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4514) [ 57.665118][ T4054] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by udevd (4054) executing program [ 57.700904][ T4511] loop3: detected capacity change from 0 to 32768 [ 57.708915][ T4508] BTRFS info (device loop4): clearing free space tree [ 57.717377][ T4171] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4171) [ 57.719509][ T4508] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.721500][ T4508] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.732779][ T4517] loop1: detected capacity change from 0 to 32768 [ 57.740342][ T4508] BTRFS info (device loop4): creating free space tree [ 57.742029][ T4508] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 57.743975][ T4508] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 57.761475][ T4028] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by udevd (4028) [ 57.768987][ T4511] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4511) executing program [ 57.830835][ T4517] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4517) [ 57.868190][ T4512] loop0: detected capacity change from 0 to 32768 executing program [ 57.938629][ T4512] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor212 (4512) [ 58.005908][ T4512] BTRFS info (device loop0): using sha256 (sha256-ce) checksum algorithm [ 58.007981][ T4512] BTRFS info (device loop0): enabling ssd optimizations [ 58.018169][ T4512] BTRFS info (device loop0): using spread ssd allocation scheme [ 58.019783][ T4512] BTRFS info (device loop0): not using spread ssd allocation scheme [ 58.021407][ T4512] BTRFS info (device loop0): disabling tree log [ 58.022705][ T4512] BTRFS info (device loop0): turning on sync discard [ 58.024056][ T4512] BTRFS info (device loop0): setting nodatacow, compression disabled [ 58.025539][ T4512] BTRFS info (device loop0): force clearing of disk cache [ 58.026999][ T4512] BTRFS info (device loop0): using spread ssd allocation scheme [ 58.108136][ T4512] BTRFS info (device loop0): setting datasum, datacow enabled [ 58.109713][ T4512] BTRFS info (device loop0): using free space tree [ 58.110990][ T4512] BTRFS info (device loop0): has skinny extents executing program [ 58.178746][ T4540] loop4: detected capacity change from 0 to 32768 [ 58.202473][ T4540] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4540) [ 58.209662][ T4533] loop2: detected capacity change from 0 to 32768 [ 58.216459][ T4171] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4171) executing program [ 58.240949][ T4538] loop3: detected capacity change from 0 to 32768 [ 58.315295][ T4533] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4533) [ 58.349138][ T4542] loop1: detected capacity change from 0 to 32768 [ 58.350469][ T4538] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4538) [ 58.359183][ T4054] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4054) [ 58.369762][ T4512] BTRFS info (device loop0): clearing free space tree [ 58.371083][ T4512] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 58.372922][ T4512] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 58.377714][ T4512] BTRFS info (device loop0): creating free space tree [ 58.412238][ T4553] loop4: detected capacity change from 0 to 32768 [ 58.414111][ T4512] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 58.416137][ T4512] BTRFS info (device loop0): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) executing program [ 58.438455][ T4542] BTRFS warning: duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor212 (4542) executing program [ 58.490692][ T4553] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4553) [ 58.509572][ T4171] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop4 scanned by udevd (4171) executing program executing program executing program [ 58.880608][ T4564] loop4: detected capacity change from 0 to 32768 [ 58.940314][ T4564] BTRFS info (device loop4): using sha256 (sha256-ce) checksum algorithm [ 58.942120][ T4564] BTRFS info (device loop4): enabling ssd optimizations [ 58.943549][ T4564] BTRFS info (device loop4): using spread ssd allocation scheme [ 58.945026][ T4564] BTRFS info (device loop4): not using spread ssd allocation scheme [ 58.946499][ T4564] BTRFS info (device loop4): disabling tree log [ 58.947775][ T4564] BTRFS info (device loop4): turning on sync discard [ 58.957742][ T4562] loop3: detected capacity change from 0 to 32768 [ 58.978292][ T4564] BTRFS info (device loop4): setting nodatacow, compression disabled [ 58.980097][ T4564] BTRFS info (device loop4): force clearing of disk cache [ 58.981496][ T4564] BTRFS info (device loop4): using spread ssd allocation scheme [ 58.983034][ T4564] BTRFS info (device loop4): setting datasum, datacow enabled [ 58.984528][ T4564] BTRFS info (device loop4): using free space tree [ 58.985833][ T4564] BTRFS info (device loop4): has skinny extents [ 59.017299][ T4563] loop2: detected capacity change from 0 to 32768 [ 59.026451][ T4562] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by syz-executor212 (4562) [ 59.034980][ T4028] BTRFS warning: duplicate device /dev/loop3 devid 1 generation 8 scanned by udevd (4028) [ 59.044158][ T4566] loop0: detected capacity change from 0 to 32768 [ 59.054532][ T4564] BTRFS info (device loop4): clearing free space tree [ 59.056030][ T4564] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 59.059381][ T4564] BTRFS info (device loop4): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 59.063053][ T4568] loop1: detected capacity change from 0 to 32768 [ 59.063750][ T4564] BTRFS info (device loop4): creating free space tree [ 59.066014][ T4564] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 59.067897][ T4564] BTRFS info (device loop4): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 59.119694][ T4563] BTRFS warning: duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor212 (4563) executing program [ 59.159381][ T4566] BTRFS warning: duplicate device /dev/loop0 devid 1 generation 8 scanned by syz-executor212 (4566) executing program [ 59.225471][ T4568] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop1 scanned by syz-executor212 (4568) [ 59.236798][ T4030] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 12 scanned by udevd (4030) [ 59.239503][ T4568] BTRFS info (device loop1): using sha256 (sha256-ce) checksum algorithm [ 59.241257][ T4568] BTRFS info (device loop1): enabling ssd optimizations [ 59.242551][ T4568] BTRFS info (device loop1): using spread ssd allocation scheme [ 59.244009][ T4568] BTRFS info (device loop1): not using spread ssd allocation scheme [ 59.264557][ T4568] BTRFS info (device loop1): disabling tree log [ 59.265833][ T4568] BTRFS info (device loop1): turning on sync discard [ 59.267159][ T4568] BTRFS info (device loop1): setting nodatacow, compression disabled [ 59.274682][ T4568] BTRFS info (device loop1): force clearing of disk cache [ 59.276152][ T4568] BTRFS info (device loop1): using spread ssd allocation scheme [ 59.277595][ T4568] BTRFS info (device loop1): setting datasum, datacow enabled [ 59.279092][ T4568] BTRFS info (device loop1): using free space tree [ 59.280784][ T4568] BTRFS info (device loop1): has skinny extents [ 59.455897][ T4589] loop4: detected capacity change from 0 to 32768 executing program [ 59.464475][ T4568] BTRFS info (device loop1): clearing free space tree [ 59.466055][ T4568] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 59.468154][ T4568] BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 59.472631][ T4568] BTRFS info (device loop1): creating free space tree [ 59.474600][ T4568] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 59.476471][ T4568] BTRFS info (device loop1): setting compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 59.486976][ T4589] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by syz-executor212 (4589) [ 59.497996][ T4171] BTRFS warning: duplicate device /dev/loop4 devid 1 generation 8 scanned by udevd (4171) executing program executing program [ 59.644344][ T4608] loop2: detected capacity change from 0 to 32768 executing program [ 59.672528][ T4608] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop2 scanned by syz-executor212 (4608)