EXT4-fs (loop4): Remounting filesystem read-only
EXT4-fs error (device loop4) in ext4_reserve_inode_write:5841: Corrupt filesystem
EXT4-fs error (device loop4): ext4_dirty_inode:6045: inode #16: comm syz-executor.4: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 14711 Comm: syz-executor.4 Not tainted 6.1.25-syzkaller-00110-gd28f02c47b77 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162
Code: c4 ff e9 b5 fb ff ff e8 9a 9f 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 86 9f 7e ff e9 51 f7 ff ff e8 7c 9f 7e ff <0f> 0b e8 35 be 10 03 e8 70 9f 7e ff 0f 0b e8 69 9f 7e ff 0f 0b e8
RSP: 0018:ffffc9000c866c80 EFLAGS: 00010287
RAX: ffffffff81f52434 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000370d000 RSI: 000000000000138d RDI: 000000000000138e
RBP: ffffc9000c866d90 R08: ffffffff81f5176b R09: ffffed102b7d12e7
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102380de79
R13: 0000000000000001 R14: 1ffff9200190cda0 R15: ffff88811c06f3c8
FS:  00007feb038d1700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555564f728 CR3: 000000011a8e2000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_regular_allocator+0x24c/0x3610 fs/ext4/mballoc.c:2614
 ext4_mb_new_blocks+0xfd3/0x48f0 fs/ext4/mballoc.c:5611
 ext4_ext_map_blocks+0x19ca/0x71e0 fs/ext4/extents.c:4287
 ext4_map_blocks+0xa42/0x1ce0 fs/ext4/inode.c:651
 ext4_alloc_file_blocks+0x3d5/0xcd0 fs/ext4/extents.c:4471
 ext4_zero_range+0x45d/0xcf0 fs/ext4/extents.c:4588
 ext4_fallocate+0x5e1/0x1e90 fs/ext4/extents.c:4723
 vfs_fallocate+0x492/0x570 fs/open.c:324
 do_vfs_ioctl+0x2150/0x29a0 fs/ioctl.c:849
 __do_sys_ioctl fs/ioctl.c:868 [inline]
 __se_sys_ioctl+0x99/0x190 fs/ioctl.c:856
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7feb02a8c389
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007feb038d1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007feb02babf80 RCX: 00007feb02a8c389
RDX: 0000000020000080 RSI: 0000000040305839 RDI: 0000000000000004
RBP: 00007feb02ad7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff5ebbb1bf R14: 00007feb038d1300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3331 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xdf4/0xe30 fs/ext4/mballoc.c:2162
Code: c4 ff e9 b5 fb ff ff e8 9a 9f 7e ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 86 9f 7e ff e9 51 f7 ff ff e8 7c 9f 7e ff <0f> 0b e8 35 be 10 03 e8 70 9f 7e ff 0f 0b e8 69 9f 7e ff 0f 0b e8
RSP: 0018:ffffc9000c866c80 EFLAGS: 00010287
RAX: ffffffff81f52434 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc9000370d000 RSI: 000000000000138d RDI: 000000000000138e
RBP: ffffc9000c866d90 R08: ffffffff81f5176b R09: ffffed102b7d12e7
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102380de79
R13: 0000000000000001 R14: 1ffff9200190cda0 R15: ffff88811c06f3c8
FS:  00007feb038d1700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2282986058 CR3: 000000011a8e2000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400