------------[ cut here ]------------
kernel BUG at fs/ext4/ext4.h:3241!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 6089 Comm: syz-executor.2 Not tainted 6.3.0-syzkaller-12423-g865fdb08197e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3241
Code: 4c ff 8b 74 24 04 48 c7 c7 c0 38 0c 8d 4c 89 f2 e8 ac fc 2d 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 07 bd 4c 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:ffffc9000a6ef2d8 EFLAGS: 00010287
RAX: ffffffff823ed269 RBX: 00000000fffff38f RCX: 0000000000040000
RDX: ffffc9000acf3000 RSI: 000000000001217d RDI: 000000000001217e
RBP: 0000000000000001 R08: ffffffff823ecf39 R09: fffffbfff1cab8d6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110073f0ccf
R13: dffffc0000000000 R14: ffff88806bd22000 R15: ffff888039f86678
FS:  00007fc035c33700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc035bf1718 CR3: 000000002b44a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_load_buddy_gfp+0xc6/0x850 fs/ext4/mballoc.c:1446
 ext4_discard_preallocations+0x744/0x1090 fs/ext4/mballoc.c:5226
 ext4_truncate+0x98b/0x1150 fs/ext4/inode.c:4148
 ext4_truncate_failed_write fs/ext4/truncate.h:22 [inline]
 ext4_write_begin+0xa20/0x10b0 fs/ext4/inode.c:1231
 ext4_da_write_begin+0x300/0xa40 fs/ext4/inode.c:2891
 generic_perform_write+0x300/0x5e0 mm/filemap.c:3923
 ext4_buffered_write_iter+0x122/0x3a0 fs/ext4/file.c:289
 ext4_file_write_iter+0x1d6/0x1930
 do_iter_write+0x7b1/0xcb0 fs/read_write.c:860
 vfs_writev fs/read_write.c:933 [inline]
 do_pwritev+0x21a/0x360 fs/read_write.c:1030
 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: 0033:0x7fc034e8c169
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:00007fc035c33168 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007fc034fabf80 RCX: 00007fc034e8c169
RDX: 0000000000000002 RSI: 0000000020000500 RDI: 0000000000000005
RBP: 00007fc034ee7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd14ca554f R14: 00007fc035c33300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_get_group_info+0x399/0x3a0 fs/ext4/ext4.h:3241
Code: 4c ff 8b 74 24 04 48 c7 c7 c0 38 0c 8d 4c 89 f2 e8 ac fc 2d 02 43 80 3c 2c 00 0f 85 23 fd ff ff e9 26 fd ff ff e8 07 bd 4c 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:ffffc9000a6ef2d8 EFLAGS: 00010287
RAX: ffffffff823ed269 RBX: 00000000fffff38f RCX: 0000000000040000
RDX: ffffc9000acf3000 RSI: 000000000001217d RDI: 000000000001217e
RBP: 0000000000000001 R08: ffffffff823ecf39 R09: fffffbfff1cab8d6
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110073f0ccf
R13: dffffc0000000000 R14: ffff88806bd22000 R15: ffff888039f86678
FS:  00007fc035c33700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4063ad988 CR3: 000000002b44a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400