EXT4-fs warning (device loop4): ext4_da_release_space:1534: ext4_da_release_space: ino 16, to_free 1 with only 0 reserved data blocks ------------[ cut here ]------------ WARNING: CPU: 1 PID: 20728 at fs/ext4/inode.c:1535 ext4_da_release_space+0x3d6/0x6b0 fs/ext4/inode.c:1531 Modules linked in: CPU: 1 PID: 20728 Comm: syz-executor.4 Not tainted 6.2.0-rc7-syzkaller-00208-gd12aca5c0cee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:ext4_da_release_space+0x3d6/0x6b0 fs/ext4/inode.c:1535 Code: a7 ff 48 8b 3c 24 4c 8b 03 48 c7 c6 7b c0 82 8c ba fe 05 00 00 48 c7 c1 20 3a fc 8a 45 89 f1 41 57 e8 6e ca 0e 00 48 83 c4 08 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 0f b6 44 05 00 84 c0 0f 85 1b RSP: 0018:ffffc900039ef448 EFLAGS: 00010286 RAX: e75d7414bca34c00 RBX: ffff8880782282f0 RCX: e75d7414bca34c00 RDX: ffffc900072e3000 RSI: 00000000000076fa RDI: 00000000000076fb RBP: 1ffff1100f04510c R08: ffffffff816ef9ec R09: fffff5200073de19 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880782282b0 R13: ffff888078228860 R14: 0000000000000001 R15: 0000000000000000 FS: 00007fb1cfb09700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020008000 CR3: 0000000029d2b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_es_remove_extent+0x2dd/0x5c0 fs/ext4/extents_status.c:1460 ext4_ext_truncate+0x141/0x210 fs/ext4/extents.c:4407 ext4_truncate+0xafa/0x1450 fs/ext4/inode.c:4342 ext4_setattr+0x1196/0x1ad0 fs/ext4/inode.c:5622 notify_change+0xdd1/0x1080 fs/attr.c:482 do_truncate+0x220/0x300 fs/open.c:65 handle_truncate fs/namei.c:3216 [inline] do_open fs/namei.c:3561 [inline] path_openat+0x27a1/0x2e40 fs/namei.c:3714 do_filp_open+0x234/0x490 fs/namei.c:3741 do_sys_openat2+0x13f/0x500 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_creat fs/open.c:1402 [inline] __se_sys_creat fs/open.c:1396 [inline] __x64_sys_creat+0x123/0x160 fs/open.c:1396 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb1cee8c0f9 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:00007fb1cfb09168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fb1cefac120 RCX: 00007fb1cee8c0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 RBP: 00007fb1ceee7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe1e1bcf7f R14: 00007fb1cfb09300 R15: 0000000000022000