EXT4-fs warning (device loop0): ext4_update_dynamic_rev:1153: updating to rev 1 because of new feature flag, running e2fsck is recommended
EXT4-fs error (device loop0): ext4_validate_block_bitmap:432: comm syz-executor.0: bg 0: block 46: invalid block bitmap
Kernel panic - not syncing: EXT4-fs (device loop0): panic forced after error
CPU: 1 PID: 6028 Comm: syz-executor.0 Not tainted 6.8.0-rc7-syzkaller-00020-g5847c9777c30 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:291
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:298
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 dump_stack+0x1c/0x28 lib/dump_stack.c:113
 panic+0x30c/0x88c kernel/panic.c:344
 ext4_handle_error+0x750/0x798 fs/ext4/super.c:745
 __ext4_error+0x20c/0x2dc fs/ext4/super.c:845
 ext4_validate_block_bitmap+0xc58/0xfbc
 ext4_wait_block_bitmap+0x18c/0x1cc fs/ext4/balloc.c:591
 ext4_mb_init_cache+0x4a0/0x1328 fs/ext4/mballoc.c:1347
 ext4_mb_init_group+0x288/0x77c fs/ext4/mballoc.c:1536
 ext4_mb_load_buddy_gfp+0xd00/0x1204 fs/ext4/mballoc.c:1606
 ext4_mb_clear_bb fs/ext4/mballoc.c:6437 [inline]
 ext4_free_blocks+0xa0c/0x1de0 fs/ext4/mballoc.c:6631
 ext4_remove_blocks fs/ext4/extents.c:2521 [inline]
 ext4_ext_rm_leaf fs/ext4/extents.c:2686 [inline]
 ext4_ext_remove_space+0x1cc0/0x42a4 fs/ext4/extents.c:2934
 ext4_ext_truncate+0x134/0x1d4 fs/ext4/extents.c:4440
 ext4_truncate+0x9a8/0x1030 fs/ext4/inode.c:4146
 ext4_process_orphan+0x180/0x2b8 fs/ext4/orphan.c:339
 ext4_orphan_cleanup+0x974/0x1134 fs/ext4/orphan.c:474
 __ext4_fill_super fs/ext4/super.c:5582 [inline]
 ext4_fill_super+0x50c8/0x5818 fs/ext4/super.c:5703
 get_tree_bdev+0x320/0x470 fs/super.c:1614
 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5735
 vfs_get_tree+0x90/0x288 fs/super.c:1779
 do_new_mount+0x278/0x900 fs/namespace.c:3352
 path_mount+0x590/0xe04 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3875
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
SMP: stopping secondary CPUs
Kernel Offset: disabled
CPU features: 0x0,00000020,7002004a,21017203
Memory Limit: none
Rebooting in 86400 seconds..