EXT4-fs (loop0): Unrecognized mount option "ÿÿÿÿ" or missing value
EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended
EXT4-fs (loop0): warning: checktime reached, running e2fsck is recommended
EXT4-fs warning (device loop0): ext4_update_dynamic_rev:1047: updating to rev 1 because of new feature flag, running e2fsck is recommended
EXT4-fs error (device loop0): ext4_validate_block_bitmap:429: comm syz-executor.0: bg 0: block 46: invalid block bitmap
Kernel panic - not syncing: EXT4-fs (device loop0): panic forced after error
CPU: 0 PID: 367 Comm: syz-executor.0 Not tainted 5.10.219-syzkaller-1002945-g6f692bec5d53 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 dump_stack+0x15/0x17 lib/dump_stack.c:135
 panic+0x2cf/0x812 kernel/panic.c:308
 ext4_handle_error+0x30e/0x310 fs/ext4/super.c:673
 __ext4_error+0x203/0x420 fs/ext4/super.c:703
 ext4_validate_block_bitmap+0xe5b/0x1010
 ext4_wait_block_bitmap+0x1ac/0x1d0 fs/ext4/balloc.c:579
 ext4_read_block_bitmap+0x41/0x80 fs/ext4/balloc.c:591
 ext4_mb_clear_bb fs/ext4/mballoc.c:5507 [inline]
 ext4_free_blocks+0xe58/0x2890 fs/ext4/mballoc.c:5751
 ext4_remove_blocks fs/ext4/extents.c:2514 [inline]
 ext4_ext_rm_leaf fs/ext4/extents.c:2680 [inline]
 ext4_ext_remove_space+0x260f/0x4e10 fs/ext4/extents.c:2928
 ext4_ext_truncate+0x17f/0x200 fs/ext4/extents.c:4443
 ext4_truncate+0xb19/0x1220 fs/ext4/inode.c:4338
 ext4_orphan_cleanup+0x8e4/0xd50 fs/ext4/super.c:3100
 ext4_fill_super+0x888c/0x9150 fs/ext4/super.c:5075
 mount_bdev+0x262/0x370 fs/super.c:1429
 ext4_mount+0x34/0x40 fs/ext4/super.c:6638
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:593
 vfs_get_tree+0x88/0x290 fs/super.c:1559
 do_new_mount+0x2ba/0xb30 fs/namespace.c:2910
 path_mount+0x56f/0xcb0 fs/namespace.c:3240
 do_mount fs/namespace.c:3253 [inline]
 __do_sys_mount fs/namespace.c:3461 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3438
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3438
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f6dee2fbae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6dede7e0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6dee41af80 RCX: 00007f6dee2fbae9
RDX: 00000000200001c0 RSI: 00000000200006c0 RDI: 0000000020000640
RBP: 00007f6dee34747a R08: 0000000000000000 R09: 0000000000000000
R10: 000000003f000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f6dee41af80 R15: 00007ffdcfaea388
Kernel Offset: disabled
Rebooting in 86400 seconds..