EXT4-fs (loop5): Remounting filesystem read-only
EXT4-fs error (device loop5): ext4_dirty_inode:6045: inode #16: comm syz-executor.5: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19676 Comm: syz-executor.5 Not tainted 6.1.25-syzkaller-00339-g7b1489746079 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
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 ba 39 7f ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 a6 39 7f ff e9 51 f7 ff ff e8 9c 39 7f ff <0f> 0b e8 d5 ec 0f 03 e8 90 39 7f ff 0f 0b e8 89 39 7f ff 0f 0b e8
RSP: 0018:ffffc90004eceb00 EFLAGS: 00010293
RAX: ffffffff81f475f4 RBX: 0000000000000001 RCX: ffff88810fa75f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90004ecec10 R08: ffffffff81f4692b R09: ffffed102d70e6a5
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11022cb8475
R13: 0000000000000001 R14: 1ffff920009d9d70 R15: ffff8881165c23a8
FS:  00007f16b0bca700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005642d40f2538 CR3: 000000011cb58000 CR4: 00000000003526a0
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_iomap_alloc fs/ext4/inode.c:3422 [inline]
 ext4_iomap_begin+0x824/0xd10 fs/ext4/inode.c:3472
 iomap_iter+0x5b1/0xbe0 fs/iomap/iter.c:74
 __iomap_dio_rw+0xdec/0x20b0 fs/iomap/direct-io.c:601
 iomap_dio_rw+0x41/0x90 fs/iomap/direct-io.c:690
 ext4_dio_write_iter fs/ext4/file.c:587 [inline]
 ext4_file_write_iter+0x1123/0x1cf0 fs/ext4/file.c:698
 call_write_iter include/linux/fs.h:2212 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x8d1/0xe80 fs/read_write.c:584
 ksys_write+0x199/0x2c0 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:646
 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: 0033:0x7f16afe8c169
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:00007f16b0bca168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f16affabf80 RCX: 00007f16afe8c169
RDX: 0000000000000009 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f16afee7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe5d35994f R14: 00007f16b0bca300 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 ba 39 7f ff 49 bc 00 00 00 00 00 fc ff df e9 6f f7 ff ff e8 a6 39 7f ff e9 51 f7 ff ff e8 9c 39 7f ff <0f> 0b e8 d5 ec 0f 03 e8 90 39 7f ff 0f 0b e8 89 39 7f ff 0f 0b e8
RSP: 0018:ffffc90004eceb00 EFLAGS: 00010293
RAX: ffffffff81f475f4 RBX: 0000000000000001 RCX: ffff88810fa75f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90004ecec10 R08: ffffffff81f4692b R09: ffffed102d70e6a5
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11022cb8475
R13: 0000000000000001 R14: 1ffff920009d9d70 R15: ffff8881165c23a8
FS:  00007f16b0bca700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33523000 CR3: 000000011cb58000 CR4: 00000000003526b0