------------[ cut here ]------------
kernel BUG at fs/bcachefs/quota.c:319!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-08291-g805ba04cb7cc #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__bch2_quota_transfer fs/bcachefs/quota.c:319 [inline]
RIP: 0010:bch2_quota_transfer+0xaaa/0xad0 fs/bcachefs/quota.c:366
Code: e6 e8 da 2d b2 00 e9 71 fb ff ff e8 10 0d 51 fd 48 c7 c7 b0 53 f7 8e 4c 89 e6 e8 c1 2d b2 00 e9 c8 fd ff ff e8 f7 0c 51 fd 90 <0f> 0b e8 ef 0c 51 fd 90 0f 0b e8 e7 0c 51 fd 90 0f 0b e8 df 0c 51
RSP: 0018:ffffc9000d3a7640 EFLAGS: 00010283
RAX: ffffffff846e5fd9 RBX: fffffffffffffff8 RCX: 0000000000100000
RDX: ffffc9000f42b000 RSI: 000000000000137e RDI: 000000000000137f
RBP: ffffc9000d3a77e8 R08: ffffffff846e5c07 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff20371cf R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000008 R15: ffff88801aa2e800
FS:  00007f418cb366c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f418cb35fe0 CR3: 0000000033f9e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_fs_quota_transfer+0x282/0x4d0 fs/bcachefs/fs.c:160
 bch2_setattr_nonsize+0x3c1/0x12a0 fs/bcachefs/fs.c:1080
 notify_change+0xbca/0xe90 fs/attr.c:552
 chown_common+0x501/0x850 fs/open.c:782
 do_fchownat+0x16a/0x240 fs/open.c:813
 __do_sys_lchown fs/open.c:838 [inline]
 __se_sys_lchown fs/open.c:836 [inline]
 __x64_sys_lchown+0x85/0xa0 fs/open.c:836
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f418bd8cda9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f418cb36038 EFLAGS: 00000246 ORIG_RAX: 000000000000005e
RAX: ffffffffffffffda RBX: 00007f418bfa6080 RCX: 00007f418bd8cda9
RDX: 0000000000000000 RSI: 00000000000081ed RDI: 0000000020000180
RBP: 00007f418be0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f418bfa6080 R15: 00007ffda06591b8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__bch2_quota_transfer fs/bcachefs/quota.c:319 [inline]
RIP: 0010:bch2_quota_transfer+0xaaa/0xad0 fs/bcachefs/quota.c:366
Code: e6 e8 da 2d b2 00 e9 71 fb ff ff e8 10 0d 51 fd 48 c7 c7 b0 53 f7 8e 4c 89 e6 e8 c1 2d b2 00 e9 c8 fd ff ff e8 f7 0c 51 fd 90 <0f> 0b e8 ef 0c 51 fd 90 0f 0b e8 e7 0c 51 fd 90 0f 0b e8 df 0c 51
RSP: 0018:ffffc9000d3a7640 EFLAGS: 00010283
RAX: ffffffff846e5fd9 RBX: fffffffffffffff8 RCX: 0000000000100000
RDX: ffffc9000f42b000 RSI: 000000000000137e RDI: 000000000000137f
RBP: ffffc9000d3a77e8 R08: ffffffff846e5c07 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff20371cf R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000008 R15: ffff88801aa2e800
FS:  00007f418cb366c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f417ffce000 CR3: 0000000033f9e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400