BTRFS info (device loop0): balance: start -d -m BTRFS info (device loop0): relocating block group 6881280 flags data|metadata BTRFS info (device loop0): relocating block group 5242880 flags data|metadata BTRFS error (device loop0): bdev /dev/loop0 errs: wr 0, rd 1, flush 0, corrupt 0, gen 0 BTRFS error (device loop0 state A): Transaction aborted (error -5) BTRFS: error (device loop0 state A) in prepare_to_merge:1780: errno=-5 IO failure BTRFS info (device loop0 state EA): forced readonly BTRFS error (device loop0 state EA): nocow_one_range failed, root=-9 inode=258 start=53248 len=12288: -5 BTRFS error (device loop0 state EA): run_delalloc_nocow failed, root=18446744073709551607 inode=258 start=53248 len=12288 cur_offset=53248 oe_cleanup=53248 oe_cleanup_len=0 untouched_start=65536 untouched_len=0: -5 BTRFS error (device loop0 state EA): failed to run delalloc range, root=-9 ino=258 folio=53248 submit_bitmap=0 start=53248 len=12288: -5 ------------[ cut here ]------------ WARNING: fs/btrfs/inode.c:7995 at btrfs_destroy_inode+0x7c9/0x910 fs/btrfs/inode.c:7995, CPU#0: syz.0.0/5338 Modules linked in: CPU: 0 UID: 0 PID: 5338 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:btrfs_destroy_inode+0x7c9/0x910 fs/btrfs/inode.c:7995 Code: 42 fd ff e9 03 ff ff ff e8 44 9a ec fd 90 0f 0b 90 e9 c4 f8 ff ff e8 36 9a ec fd 90 0f 0b 90 e9 ee f8 ff ff e8 28 9a ec fd 90 <0f> 0b 90 e9 1f f9 ff ff e8 1a 9a ec fd 90 0f 0b 90 e9 47 f9 ff ff RSP: 0018:ffffc9000c77f860 EFLAGS: 00010287 RAX: ffffffff83d52668 RBX: 0000000000028000 RCX: 0000000000100000 RDX: ffffc90021012000 RSI: 0000000000059c21 RDI: 0000000000059c22 RBP: ffff888047d72280 R08: ffff88804277a777 R09: 1ffff110084ef4ee R10: dffffc0000000000 R11: ffffffff83d51ea0 R12: ffff888047d724f0 R13: dffffc0000000000 R14: ffff888047d72628 R15: ffff888042a8a000 FS: 00007f560d5d76c0(0000) GS:ffff88808d239000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561b34897a70 CR3: 00000000441d0000 CR4: 0000000000352ef0 Call Trace: destroy_inode fs/inode.c:396 [inline] evict+0x8aa/0xae0 fs/inode.c:861 btrfs_relocate_block_group+0xb53/0xc70 fs/btrfs/relocation.c:4009 btrfs_relocate_chunk+0x12f/0x5c0 fs/btrfs/volumes.c:3424 __btrfs_balance+0x18ff/0x24e0 fs/btrfs/volumes.c:4197 btrfs_balance+0xac2/0x11b0 fs/btrfs/volumes.c:4571 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3525 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f560c78f7c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f560d5d7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f560c9e6090 RCX: 00007f560c78f7c9 RDX: 0000200000000180 RSI: 00000000c4009420 RDI: 0000000000000006 RBP: 00007f560c813f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f560c9e6128 R14: 00007f560c9e6090 R15: 00007ffd73e5e7e8