EXT4-fs (loop0): Remounting filesystem read-only EXT4-fs (loop0): mounted filesystem without journal. Opts: jqfmt=vfsv0,errors=remount-ro, EXT4-fs error (device loop0): ext4_mb_generate_buddy:747: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop0): Remounting filesystem read-only ------------[ cut here ]------------ kernel BUG at fs/ext4/inline.c:222! invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 PID: 3089 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:ext4_write_inline_data.isra.6+0x27a/0x440 fs/ext4/inline.c:222 Code: 4c 01 e7 e8 b8 ca c7 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 5d c3 47 8d 4c 01 c4 41 bd 3c 00 00 00 45 29 c5 e9 1a ff ff ff 0f 0b <0f> 0b 44 89 4d bc 4c 89 45 c0 48 89 4d c8 48 89 55 d0 48 89 75 d8 RSP: 0018:ffff8800a8c0f7a0 EFLAGS: 00010212 RAX: 000000000000003c RBX: ffff88009b098a10 RCX: ffff8800992d3000 RDX: ffff8800a8c0f848 RSI: ffff8800a8c0f840 RDI: ffff88009b098ec0 RBP: ffff8800a8c0f7e8 R08: 0000000000000020 R09: 0000000000000020 R10: 1ffff100136131d8 R11: 0000000000000001 R12: ffff8800a8c88000 R13: 0000000000000040 R14: ffff8800a8c0f840 R15: ffff8800a8c0f880 FS: 00007faa13e1c6c0(0000) GS:ffff8800bac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faa0bafb000 CR3: 00000000ab27e000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x1df/0x530 fs/ext4/inline.c:751 ext4_da_write_inline_data_end+0x19/0x200 fs/ext4/inline.c:948 ext4_da_write_end+0x367/0x980 fs/ext4/inode.c:3170 generic_perform_write+0x2ef/0x490 mm/filemap.c:3150 __generic_file_write_iter+0x2fd/0x510 mm/filemap.c:3264 ext4_file_write_iter+0x75d/0x1060 fs/ext4/file.c:266 call_write_iter include/linux/fs.h:1808 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x3cc/0x760 fs/read_write.c:487 vfs_write+0x150/0x4d0 fs/read_write.c:549 ksys_write+0xcd/0x1b0 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:607 do_syscall_64+0xd6/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7faa1429ad69 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:00007faa13e1c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007faa143c8f80 RCX: 00007faa1429ad69 RDX: 0000000000000020 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 00007faa142e749e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007faa143c8f80 R15: 00007ffd02d58208 Modules linked in: ---[ end trace bddc2abe74393ea6 ]--- RIP: 0010:ext4_write_inline_data.isra.6+0x27a/0x440 fs/ext4/inline.c:222 Code: 4c 01 e7 e8 b8 ca c7 ff 48 83 c4 28 5b 41 5c 41 5d 41 5e 5d c3 47 8d 4c 01 c4 41 bd 3c 00 00 00 45 29 c5 e9 1a ff ff ff 0f 0b <0f> 0b 44 89 4d bc 4c 89 45 c0 48 89 4d c8 48 89 55 d0 48 89 75 d8 RSP: 0018:ffff8800a8c0f7a0 EFLAGS: 00010212 RAX: 000000000000003c RBX: ffff88009b098a10 RCX: ffff8800992d3000 RDX: ffff8800a8c0f848 RSI: ffff8800a8c0f840 RDI: ffff88009b098ec0 RBP: ffff8800a8c0f7e8 R08: 0000000000000020 R09: 0000000000000020 R10: 1ffff100136131d8 R11: 0000000000000001 R12: ffff8800a8c88000 R13: 0000000000000040 R14: ffff8800a8c0f840 R15: ffff8800a8c0f880 FS: 00007faa13e1c6c0(0000) GS:ffff8800bac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faa0bafb000 CR3: 00000000ab27e000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400