EXT4-fs error (device loop4) in ext4_reserve_inode_write:5909: Corrupt filesystem
EXT4-fs error (device loop4): __ext4_ext_dirty:202: inode #19: comm syz-executor213: mark_inode_dirty error
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kernel BUG at fs/ext4/ext4.h:3332!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5112 Comm: syz-executor213 Not tainted 6.3.0-rc4-syzkaller-00195-g5a57b48fdfcb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3332
Code: 4f ff 8b 74 24 04 48 c7 c7 a0 ab 0b 8d 4c 89 f2 e8 0c f9 2d 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 e7 3f 4f ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc90003e7f3b0 EFLAGS: 00010293
RAX: ffffffff823b1299 RBX: 00000000ffffe6f1 RCX: ffff8880272e3a80
RDX: 0000000000000000 RSI: 00000000ffffe6f1 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff823b0f69 R09: ffffed100e89cd81
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110052b0ccf
R13: dffffc0000000000 R14: ffff888029584000 R15: ffff888029586678
FS:  00007f6693544700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002011b000 CR3: 00000000220e7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_load_buddy_gfp+0xc3/0x820 fs/ext4/mballoc.c:1448
 ext4_discard_preallocations+0x84d/0x10e0 fs/ext4/mballoc.c:5021
 ext4_truncate+0x98b/0x1150 fs/ext4/inode.c:4339
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_write_begin+0xaa6/0xee0 fs/ext4/inode.c:1262
 ext4_da_write_begin+0x42c/0x960 fs/ext4/inode.c:3057
 generic_perform_write+0x300/0x5e0 mm/filemap.c:3926
 ext4_buffered_write_iter+0x122/0x3a0 fs/ext4/file.c:289
 ext4_file_write_iter+0x1d6/0x1930
 call_write_iter include/linux/fs.h:1851 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x7b2/0xbb0 fs/read_write.c:584
 ksys_write+0x1a0/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f66935a0429
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 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:00007f6693544208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f669361d788 RCX: 00007f66935a0429
RDX: 000000000208e24b RSI: 0000000020000000 RDI: 0000000000000006
RBP: 00007f669361d780 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f669361d78c
R13: 00007ffe59f2712f R14: 00007f6693544300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3332
Code: 4f ff 8b 74 24 04 48 c7 c7 a0 ab 0b 8d 4c 89 f2 e8 0c f9 2d 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 e7 3f 4f ff <0f> 0b 0f 1f 44 00 00 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00
RSP: 0018:ffffc90003e7f3b0 EFLAGS: 00010293
RAX: ffffffff823b1299 RBX: 00000000ffffe6f1 RCX: ffff8880272e3a80
RDX: 0000000000000000 RSI: 00000000ffffe6f1 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff823b0f69 R09: ffffed100e89cd81
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110052b0ccf
R13: dffffc0000000000 R14: ffff888029584000 R15: ffff888029586678
FS:  00007f6693544700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f668b223000 CR3: 00000000220e7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400