EXT4-fs error (device loop1): ext4_validate_block_bitmap:429: comm syz-executor.1: bg 0: block 46: invalid block bitmap
Kernel panic - not syncing: EXT4-fs (device loop1): panic forced after error
CPU: 0 PID: 485 Comm: syz-executor.1 Not tainted 5.15.173-syzkaller-1077948-gb4bd207b0380 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 panic+0x287/0x760 kernel/panic.c:309
 ext4_handle_error+0x76b/0x770 fs/ext4/super.c:667
 __ext4_error+0x1ae/0x3d0 fs/ext4/super.c:757
 ext4_validate_block_bitmap+0x1075/0x1410
 ext4_wait_block_bitmap+0x1b2/0x1d0 fs/ext4/balloc.c:579
 ext4_read_block_bitmap+0x41/0x80 fs/ext4/balloc.c:591
 ext4_mb_clear_bb fs/ext4/mballoc.c:6040 [inline]
 ext4_free_blocks+0xf32/0x2ab0 fs/ext4/mballoc.c:6286
 ext4_remove_blocks fs/ext4/extents.c:2523 [inline]
 ext4_ext_rm_leaf fs/ext4/extents.c:2689 [inline]
 ext4_ext_remove_space+0x267c/0x4a60 fs/ext4/extents.c:2937
 ext4_ext_truncate+0x19a/0x240 fs/ext4/extents.c:4471
 ext4_truncate+0x96c/0xfa0 fs/ext4/inode.c:4280
 ext4_process_orphan+0x1d3/0x2f0 fs/ext4/orphan.c:339
 ext4_orphan_cleanup+0x909/0x1060 fs/ext4/orphan.c:474
 ext4_fill_super+0x8dc8/0x96e0 fs/ext4/super.c:4966
 mount_bdev+0x282/0x3b0 fs/super.c:1400
 ext4_mount+0x34/0x40 fs/ext4/super.c:6594
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
 vfs_get_tree+0x88/0x290 fs/super.c:1530
 do_new_mount+0x2ba/0xb30 fs/namespace.c:3012
 path_mount+0x671/0x1070 fs/namespace.c:3342
 do_mount fs/namespace.c:3355 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540
 x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f899fa51ae9
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:00007f899f5d40c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f899fb70f80 RCX: 00007f899fa51ae9
RDX: 00000000200001c0 RSI: 00000000200006c0 RDI: 0000000020000640
RBP: 00007f899fa9d47a R08: 0000000000000000 R09: 0000000000000000
R10: 000000003f000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f899fb70f80 R15: 00007ffd1eba7878
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..