EXT4-fs error (device loop5): ext4_mb_generate_buddy:744: group 0, block bitmap and bg descriptor inconsistent: 8192 vs 206 free clusters
WARNING: CPU: 0 PID: 26563 at fs/ext4/xattr.c:1661 ext4_xattr_set_entry+0x2910/0x3690 fs/ext4/xattr.c:1661
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 26563 Comm: syz-executor.5 Not tainted 4.19.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x61 kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:ext4_xattr_set_entry+0x2910/0x3690 fs/ext4/xattr.c:1661
Code: e8 b5 1a 72 ff 48 8b 7c 24 20 e8 5b e5 ce ff 4c 8b b4 24 20 01 00 00 48 c7 44 24 18 00 00 00 00 e9 b2 db ff ff e8 90 1a 72 ff <0f> 0b e9 fb e7 ff ff e8 84 1a 72 ff 48 8b 7c 24 18 e8 9a 8c f0 ff
RSP: 0018:ffff88809256f3a8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff8880a2d424e0 RCX: ffffc9001066e000
RDX: 0000000000022b8c RSI: ffffffff81f2b680 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000023f37d17 R12: 00000000000003dc
R13: 0000000000000000 R14: 00000000ffffffc3 R15: 0000000000000001
 ext4_xattr_block_set+0xf44/0x2eb0 fs/ext4/xattr.c:1963
 ext4_xattr_set_handle+0x9c1/0xfa0 fs/ext4/xattr.c:2411
 ext4_xattr_set+0x135/0x2a0 fs/ext4/xattr.c:2511
 __vfs_setxattr+0x10e/0x170 fs/xattr.c:149
 __vfs_setxattr_noperm+0x11a/0x420 fs/xattr.c:180
 __vfs_setxattr_locked+0x176/0x250 fs/xattr.c:238
 vfs_setxattr+0xe5/0x270 fs/xattr.c:255
 setxattr+0x23d/0x330 fs/xattr.c:520
 path_setxattr+0x170/0x190 fs/xattr.c:539
 __do_sys_lsetxattr fs/xattr.c:561 [inline]
 __se_sys_lsetxattr fs/xattr.c:557 [inline]
 __x64_sys_lsetxattr+0xbd/0x150 fs/xattr.c:557
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45e219
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8bc0d8fc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045e219
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 00000000200000c0
RBP: 000000000119bfd0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007fff3809f89f R14: 00007f8bc0d909c0 R15: 000000000119bf8c
Kernel Offset: disabled
Rebooting in 86400 seconds..