ext2: Unknown parameter 'ÿÿÿÿ' 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:1086: 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: 1 PID: 359 Comm: syz-executor.0 Not tainted 6.1.112-syzkaller-1151961-gdefe0024cfb0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x1e lib/dump_stack.c:113 panic+0x283/0x667 kernel/panic.c:339 ext4_handle_error+0x83e/0x890 fs/ext4/super.c:687 __ext4_error+0x260/0x480 fs/ext4/super.c:778 ext4_validate_block_bitmap+0x106d/0x1400 ext4_wait_block_bitmap+0x144/0x1d0 fs/ext4/balloc.c:580 ext4_read_block_bitmap+0x41/0x80 fs/ext4/balloc.c:592 ext4_mb_clear_bb fs/ext4/mballoc.c:6030 [inline] ext4_free_blocks+0xf2b/0x2a90 fs/ext4/mballoc.c:6275 ext4_remove_blocks fs/ext4/extents.c:2521 [inline] ext4_ext_rm_leaf fs/ext4/extents.c:2687 [inline] ext4_ext_remove_space+0x248b/0x4f50 fs/ext4/extents.c:2935 ext4_ext_truncate+0x1f4/0x320 fs/ext4/extents.c:4448 ext4_truncate+0x96c/0xfb0 fs/ext4/inode.c:4290 ext4_process_orphan+0x1d3/0x2f0 fs/ext4/orphan.c:339 ext4_orphan_cleanup+0xa50/0x11b0 fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5520 [inline] ext4_fill_super+0x7d46/0x8460 fs/ext4/super.c:5651 get_tree_bdev+0x440/0x680 fs/super.c:1368 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5681 vfs_get_tree+0x88/0x290 fs/super.c:1575 do_new_mount+0x2ba/0xb30 fs/namespace.c:3051 path_mount+0x671/0x1070 fs/namespace.c:3381 do_mount fs/namespace.c:3394 [inline] __do_sys_mount fs/namespace.c:3602 [inline] __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3579 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3579 x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fd74b47cae9 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:00007fd74c0ee0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fd74b59bf80 RCX: 00007fd74b47cae9 RDX: 00000000200001c0 RSI: 00000000200006c0 RDI: 0000000020000640 RBP: 00007fd74b4c847a R08: 0000000000000000 R09: 0000000000000000 R10: 000000003f000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd74b59bf80 R15: 00007ffd51cd8378 Kernel Offset: disabled Rebooting in 86400 seconds..