EXT4-fs error (device loop3): __ext4_get_inode_loc:4436: comm syz-executor.3: Invalid inode table block 0 in block_group 0
EXT4-fs (loop3): Remounting filesystem read-only
EXT4-fs error (device loop3) in ext4_reserve_inode_write:5877: Corrupt filesystem
EXT4-fs error (device loop3): ext4_dirty_inode:6087: inode #18: comm syz-executor.3: mark_inode_dirty error
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kernel BUG at fs/ext4/ext4.h:3247!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 13451 Comm: syz-executor.3 Not tainted 5.10.178-syzkaller-00238-g8a30c9beebe8 #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:3247 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xe18/0xe50 fs/ext4/mballoc.c:1885
Code: 24 30 e9 be fb ff ff e8 06 c1 89 ff 48 bb 00 00 00 00 00 fc ff df e9 23 f7 ff ff e8 f2 c0 89 ff e9 05 f7 ff ff e8 e8 c0 89 ff <0f> 0b e8 81 c7 c8 02 e8 dc c0 89 ff 0f 0b e8 d5 c0 89 ff 0f 0b e8
RSP: 0018:ffffc90000fa6720 EFLAGS: 00010293
RAX: ffffffff81e0b8c8 RBX: 0000000000000001 RCX: ffff888117050000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000fa6830 R08: ffffffff81e0abdf R09: ffffed102e195536
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810dcb23c8
R13: 0000000000000001 R14: 1ffff11021b96479 R15: 1ffff920001f4cf4
FS:  00007f2926162700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c03a2d1000 CR3: 000000010e157000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_mb_regular_allocator+0x249/0x2030 fs/ext4/mballoc.c:2321
 ext4_mb_new_blocks+0xfb1/0x4430 fs/ext4/mballoc.c:5038
 ext4_ext_map_blocks+0x190e/0x6be0 fs/ext4/extents.c:4281
 ext4_map_blocks+0xaa7/0x1f00 fs/ext4/inode.c:646
 _ext4_get_block+0x21b/0x610 fs/ext4/inode.c:803
 ext4_get_block+0x39/0x50 fs/ext4/inode.c:820
 ext4_block_write_begin+0x61e/0x13b0 fs/ext4/inode.c:1087
 ext4_write_begin+0x6fa/0x1730
 ext4_da_write_begin+0x49d/0xf60 fs/ext4/inode.c:3031
 generic_perform_write+0x2cd/0x570 mm/filemap.c:3506
 ext4_buffered_write_iter+0x47d/0x610 fs/ext4/file.c:272
 ext4_file_write_iter+0x193/0x1ca0 fs/ext4/file.c:689
 call_write_iter include/linux/fs.h:1976 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0xb55/0xe70 fs/read_write.c:605
 ksys_write+0x199/0x2c0 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f292f7d0389
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:00007f2926162168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f292f8f0050 RCX: 00007f292f7d0389
RDX: 0000000000000007 RSI: 0000000020000000 RDI: 0000000000000006
RBP: 00007f292f81b493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde22eb09f R14: 00007f2926162300 R15: 0000000000022000
Modules linked in:
---[ end trace 130c173a3cd9bd76 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline]
RIP: 0010:ext4_mb_find_by_goal+0xe18/0xe50 fs/ext4/mballoc.c:1885
Code: 24 30 e9 be fb ff ff e8 06 c1 89 ff 48 bb 00 00 00 00 00 fc ff df e9 23 f7 ff ff e8 f2 c0 89 ff e9 05 f7 ff ff e8 e8 c0 89 ff <0f> 0b e8 81 c7 c8 02 e8 dc c0 89 ff 0f 0b e8 d5 c0 89 ff 0f 0b e8
RSP: 0018:ffffc90000fa6720 EFLAGS: 00010293
RAX: ffffffff81e0b8c8 RBX: 0000000000000001 RCX: ffff888117050000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90000fa6830 R08: ffffffff81e0abdf R09: ffffed102e195536
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810dcb23c8
R13: 0000000000000001 R14: 1ffff11021b96479 R15: 1ffff920001f4cf4
FS:  00007f2926162700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020161030 CR3: 000000010e157000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400