BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=4096, may_use=11476992, readonly=0 ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.1/27544 is trying to acquire lock: 0000000058764b19 (&fs_info->qgroup_ioctl_lock){+.+.}, at: btrfs_del_qgroup_relation+0x45/0x70 fs/btrfs/qgroup.c:1366 but task is already holding lock: 00000000d5968393 (sb_internal#2){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] 00000000d5968393 (sb_internal#2){.+.+}, at: start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (sb_internal#2){.+.+}: sb_start_intwrite include/linux/fs.h:1626 [inline] start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528 btrfs_quota_enable+0x169/0x10b0 fs/btrfs/qgroup.c:905 btrfs_ioctl_quota_ctl fs/btrfs/ioctl.c:5233 [inline] btrfs_ioctl+0x622c/0x76d0 fs/btrfs/ioctl.c:6021 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&fs_info->qgroup_ioctl_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 btrfs_del_qgroup_relation+0x45/0x70 fs/btrfs/qgroup.c:1366 btrfs_ioctl_qgroup_assign fs/btrfs/ioctl.c:5282 [inline] btrfs_ioctl+0x6004/0x76d0 fs/btrfs/ioctl.c:6023 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_internal#2); lock(&fs_info->qgroup_ioctl_lock); lock(sb_internal#2); lock(&fs_info->qgroup_ioctl_lock); *** DEADLOCK *** 2 locks held by syz-executor.1/27544: #0: 00000000efad5ab4 (sb_writers#19){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 00000000efad5ab4 (sb_writers#19){.+.+}, at: mnt_want_write_file+0x63/0x1d0 fs/namespace.c:418 #1: 00000000d5968393 (sb_internal#2){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] #1: 00000000d5968393 (sb_internal#2){.+.+}, at: start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528 stack backtrace: CPU: 0 PID: 27544 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 btrfs_del_qgroup_relation+0x45/0x70 fs/btrfs/qgroup.c:1366 btrfs_ioctl_qgroup_assign fs/btrfs/ioctl.c:5282 [inline] btrfs_ioctl+0x6004/0x76d0 fs/btrfs/ioctl.c:6023 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f35428ca0a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3540e3c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f35429e9f80 RCX: 00007f35428ca0a9 RDX: 0000000020000480 RSI: 0000000040189429 RDI: 0000000000000004 RBP: 00007f3542925ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffc93a4b8f R14: 00007f3540e3c300 R15: 0000000000022000 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=16384, may_use=11464704, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=32768, reserved=0, may_use=11448320, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS info (device loop5): enabling inode map caching BTRFS info (device loop5): force clearing of disk cache BTRFS info (device loop5): force zlib compression, level 3 BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (27606) BTRFS info (device loop5): clearing free space tree BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (27695) BTRFS info (device loop5): clearing 1 ro feature flag BTRFS info (device loop5): clearing 2 ro feature flag BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor.1 (27666) BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=3276800, used=53248, pinned=0, reserved=0, may_use=3223552, readonly=0 BTRFS info (device loop5): creating free space tree BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=3227648, readonly=0 BTRFS info (device loop5): setting 1 ro feature flag BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (27701) BTRFS info (device loop5): setting 2 ro feature flag BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=0, reserved=16384, may_use=11464704, readonly=0 BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=32768, reserved=0, may_use=11448320, readonly=0 BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): force zlib compression, level 3 BTRFS info (device loop2): unrecognized mount option '' BTRFS error (device loop2): open_ctree failed BTRFS info (device loop1): enabling inode map caching BTRFS info (device loop1): force clearing of disk cache BTRFS info (device loop1): force zlib compression, level 3 BTRFS info (device loop1): using free space tree BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): clearing free space tree BTRFS info (device loop1): clearing 1 ro feature flag BTRFS info (device loop1): clearing 2 ro feature flag BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=3276800, used=53248, pinned=0, reserved=0, may_use=3223552, readonly=0 BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (27757) BTRFS info (device loop1): creating free space tree BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (27792) BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=3227648, readonly=0 EXT4-fs warning (device sda1): ext4_resize_begin:72: There are errors in the filesystem, so online resizing is not allowed BTRFS info (device loop1): setting 1 ro feature flag BTRFS info (device loop1): setting 2 ro feature flag BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=4096, may_use=11476992, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=16384, may_use=11464704, readonly=0 kauditd_printk_skb: 24 callbacks suppressed audit: type=1804 audit(1672715460.423:377): pid=27826 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir2510696266/syzkaller.I8XWAc/439/file0" dev="sda1" ino=14994 res=1 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=32768, reserved=0, may_use=11448320, readonly=0 audit: type=1804 audit(1672715460.473:378): pid=27826 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir2510696266/syzkaller.I8XWAc/439/file0" dev="sda1" ino=14994 res=1 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 audit: type=1804 audit(1672715460.543:379): pid=27836 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir2510696266/syzkaller.I8XWAc/440/file0" dev="sda1" ino=15428 res=1 BTRFS info (device loop2): enabling inode map caching BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (27805) BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): force zlib compression, level 3 BTRFS info (device loop2): unrecognized mount option ' ' BTRFS error (device loop2): open_ctree failed audit: type=1804 audit(1672715460.943:380): pid=27881 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir2510696266/syzkaller.I8XWAc/441/file0" dev="sda1" ino=13961 res=1 BTRFS info (device loop1): enabling inode map caching BTRFS info (device loop1): force clearing of disk cache BTRFS info (device loop1): force zlib compression, level 3 BTRFS info (device loop1): using free space tree BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (27880) BTRFS info (device loop1): has skinny extents BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (27893) BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (27883) BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (27892) EXT4-fs warning (device sda1): ext4_ioctl:814: Setting inode version is not supported with metadata_csum enabled. BTRFS info (device loop1): clearing free space tree BTRFS info (device loop1): clearing 1 ro feature flag BTRFS info (device loop1): clearing 2 ro feature flag BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=3276800, used=53248, pinned=0, reserved=0, may_use=3223552, readonly=0 BTRFS info (device loop1): creating free space tree BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=3227648, readonly=0 BTRFS info (device loop1): setting 1 ro feature flag BTRFS info (device loop1): setting 2 ro feature flag BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=16384, may_use=11464704, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=32768, reserved=0, may_use=11448320, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS info (device loop5): enabling inode map caching BTRFS info (device loop5): force clearing of disk cache BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (27944) BTRFS info (device loop5): force zlib compression, level 3 BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (28000) BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents BTRFS info (device loop5): clearing free space tree BTRFS info (device loop5): clearing 1 ro feature flag BTRFS info (device loop5): clearing 2 ro feature flag BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=3276800, used=53248, pinned=0, reserved=0, may_use=3223552, readonly=0 BTRFS info (device loop5): creating free space tree BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=3227648, readonly=0 BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (27998) BTRFS info (device loop5): setting 1 ro feature flag BTRFS info (device loop5): setting 2 ro feature flag BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor.1 (27995) BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor.1 (28041) BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (28103) BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (28084) BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (28100) BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor.1 (28141) BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (28194) BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (28178) BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (28187) btrfs_printk: 49 callbacks suppressed BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): force zlib compression, level 3 BTRFS info (device loop2): unrecognized mount option 'H' BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor.1 (28227) BTRFS error (device loop2): open_ctree failed BTRFS info (device loop5): enabling inode map caching BTRFS info (device loop5): force clearing of disk cache BTRFS info (device loop5): force zlib compression, level 3 BTRFS info (device loop5): using free space tree BTRFS info (device loop5): has skinny extents BTRFS info (device loop5): clearing free space tree BTRFS info (device loop5): clearing 1 ro feature flag BTRFS info (device loop5): clearing 2 ro feature flag BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=3276800, used=53248, pinned=0, reserved=0, may_use=3223552, readonly=0 BTRFS info (device loop5): creating free space tree BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=3227648, readonly=0 BTRFS info (device loop5): setting 1 ro feature flag BTRFS info (device loop5): setting 2 ro feature flag BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=0, reserved=4096, may_use=11476992, readonly=0 BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=0, reserved=16384, may_use=11464704, readonly=0 BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=32768, reserved=0, may_use=11448320, readonly=0 BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): force zlib compression, level 3 BTRFS info (device loop2): unrecognized mount option 'L' BTRFS error (device loop2): open_ctree failed BTRFS info (device loop1): enabling inode map caching BTRFS info (device loop1): force clearing of disk cache BTRFS info (device loop1): force zlib compression, level 3 BTRFS info (device loop1): using free space tree BTRFS info (device loop1): has skinny extents ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (28402) BTRFS info (device loop1): clearing free space tree BTRFS info (device loop1): clearing 1 ro feature flag BTRFS info (device loop1): clearing 2 ro feature flag BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=3276800, used=53248, pinned=0, reserved=0, may_use=3223552, readonly=0 BTRFS info (device loop1): creating free space tree BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=3227648, readonly=0 BTRFS info (device loop1): setting 1 ro feature flag BTRFS info (device loop1): setting 2 ro feature flag EXT4-fs warning (device sda1): ext4_resize_begin:72: There are errors in the filesystem, so online resizing is not allowed BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=4096, may_use=11476992, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=16384, may_use=11464704, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=32768, reserved=0, may_use=11448320, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (28459) BTRFS info (device loop5): enabling inode map caching BTRFS info (device loop5): force clearing of disk cache BTRFS info (device loop5): force zlib compression, level 3 BTRFS info (device loop5): using free space tree BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (28463) BTRFS info (device loop5): has skinny extents BTRFS info (device loop5): clearing free space tree BTRFS info (device loop5): clearing 1 ro feature flag BTRFS info (device loop5): clearing 2 ro feature flag BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=3276800, used=53248, pinned=0, reserved=0, may_use=3223552, readonly=0 BTRFS info (device loop5): creating free space tree BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=3227648, readonly=0 BTRFS info (device loop5): setting 1 ro feature flag BTRFS info (device loop5): setting 2 ro feature flag BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=0, reserved=16384, may_use=11464704, readonly=0 BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor.1 (28504) BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=32768, reserved=0, may_use=11448320, readonly=0 BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (28537) BTRFS info (device loop5): space_info 5 has 0 free, is not full BTRFS info (device loop5): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS info (device loop1): enabling inode map caching BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (28555) BTRFS info (device loop1): force clearing of disk cache BTRFS info (device loop1): force zlib compression, level 3 BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (28590) BTRFS info (device loop1): using free space tree BTRFS info (device loop1): has skinny extents BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (28585) BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (28588) BTRFS info (device loop1): clearing free space tree BTRFS info (device loop1): clearing 1 ro feature flag BTRFS info (device loop1): clearing 2 ro feature flag BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=3276800, used=53248, pinned=0, reserved=0, may_use=3223552, readonly=0 BTRFS info (device loop1): creating free space tree BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=3276800, used=49152, pinned=0, reserved=0, may_use=3227648, readonly=0 BTRFS info (device loop1): setting 1 ro feature flag BTRFS info (device loop1): setting 2 ro feature flag BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (28627) BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=16384, may_use=11464704, readonly=0 BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (28643) BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=20480, reserved=0, may_use=11460608, readonly=0 BTRFS info (device loop1): space_info 5 has 0 free, is not full BTRFS info (device loop1): space_info total=11534336, used=53248, pinned=0, reserved=8192, may_use=11472896, readonly=0 BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by syz-executor.2 (28653) BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 8 scanned by systemd-udevd (28706) BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by syz-executor.1 (28685) BTRFS warning (device ): duplicate device /dev/loop1 devid 1 generation 8 scanned by systemd-udevd (28717) BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): open_ctree failed BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by syz-executor.5 (28886) BTRFS warning (device ): duplicate device /dev/loop5 devid 1 generation 8 scanned by systemd-udevd (28914)