EXT4-fs error (device loop1): __ext4_get_inode_loc:4560: comm syz-executor.1: Invalid inode table block 4 in block_group 0
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kernel BUG at fs/ext4/ext4.h:3331!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 16621 Comm: syz-executor.1 Not tainted 6.2.0-rc2-syzkaller-00203-g1f5abbd77e2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:ext4_get_group_info+0x34d/0x350 fs/ext4/ext4.h:3331
Code: 4e ff 8b 74 24 04 48 c7 c7 20 04 4c 8d 4c 89 f2 e8 38 a1 42 02 43 80 3c 2c 00 0f 85 6d fd ff ff e9 70 fd ff ff e8 f3 42 4e ff <0f> 0b 90 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00 00 00 00 fc
RSP: 0018:ffffc90003baf168 EFLAGS: 00010293
RAX: ffffffff823d986d RBX: 00000000ffffee24 RCX: ffff888027223a80
RDX: 0000000000000000 RSI: 00000000ffffee24 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff823d9588 R09: ffffed100e74f238
R10: ffffed100e74f238 R11: 1ffff1100e74f237 R12: 1ffff1100f860ccf
R13: dffffc0000000000 R14: ffff88807c424000 R15: ffff88807c306678
FS:  00007ff5b9baf700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8292345000 CR3: 0000000021327000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_load_buddy_gfp+0xc5/0x1900 fs/ext4/mballoc.c:1448
 ext4_discard_preallocations+0x7cd/0xeb0 fs/ext4/mballoc.c:5021
 ext4_truncate+0x9fe/0xea0 fs/ext4/inode.c:4339
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_handle_inode_extension+0x6a1/0x8e0 fs/ext4/file.c:373
 ext4_dio_write_iter fs/ext4/file.c:594 [inline]
 ext4_file_write_iter+0x157d/0x18f0 fs/ext4/file.c:698
 do_iter_write+0x6c2/0xc20 fs/read_write.c:861
 iter_file_splice_write+0x7fc/0xfc0 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0xe6/0x1c0 fs/splice.c:931
 splice_direct_to_actor+0x4e4/0xc00 fs/splice.c:886
 do_splice_direct+0x279/0x3d0 fs/splice.c:974
 do_sendfile+0x5fb/0xf80 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1323 [inline]
 __se_sys_sendfile64+0x14f/0x1b0 fs/read_write.c:1309
 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: 0033:0x7ff5b8e8c0c9
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:00007ff5b9baf168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007ff5b8fabf80 RCX: 00007ff5b8e8c0c9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007ff5b8ee7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff2076490f R14: 00007ff5b9baf300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info+0x34d/0x350 fs/ext4/ext4.h:3331
Code: 4e ff 8b 74 24 04 48 c7 c7 20 04 4c 8d 4c 89 f2 e8 38 a1 42 02 43 80 3c 2c 00 0f 85 6d fd ff ff e9 70 fd ff ff e8 f3 42 4e ff <0f> 0b 90 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00 00 00 00 fc
RSP: 0018:ffffc90003baf168 EFLAGS: 00010293
RAX: ffffffff823d986d RBX: 00000000ffffee24 RCX: ffff888027223a80
RDX: 0000000000000000 RSI: 00000000ffffee24 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff823d9588 R09: ffffed100e74f238
R10: ffffed100e74f238 R11: 1ffff1100e74f237 R12: 1ffff1100f860ccf
R13: dffffc0000000000 R14: ffff88807c424000 R15: ffff88807c306678
FS:  00007ff5b9baf700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557380848 CR3: 0000000021327000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400