------------[ cut here ]------------
kernel BUG at fs/bcachefs/quota.c:319!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5324 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+0xaba/0xad0 fs/bcachefs/quota.c:367
Code: 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 fd 90 0f 0b e8 c7 59 86 07 0f 1f 80 00 00 00 00
RSP: 0018:ffffc9000d4476c0 EFLAGS: 00010287
RAX: ffffffff846e5fe9 RBX: ffff888032c148a0 RCX: 0000000000100000
RDX: ffffc9000e923000 RSI: 0000000000000987 RDI: 0000000000000988
RBP: ffffc9000d447868 R08: ffffffff846e5cb9 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff20371cf R12: 0000000000000001
R13: 0000000000000000 R14: 1ffff1100a542705 R15: ffff888052a13828
FS:  00007f00eb92e6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f00eb92dfe0 CR3: 000000004363a000 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
 vfs_fchown fs/open.c:850 [inline]
 ksys_fchown+0xe2/0x150 fs/open.c:862
 __do_sys_fchown fs/open.c:867 [inline]
 __se_sys_fchown fs/open.c:865 [inline]
 __x64_sys_fchown+0x7a/0x90 fs/open.c:865
 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: 0033:0x7f00eab8cda9
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:00007f00eb92e038 EFLAGS: 00000246 ORIG_RAX: 000000000000005d
RAX: ffffffffffffffda RBX: 00007f00eada6080 RCX: 00007f00eab8cda9
RDX: 0000000027b9fe0a RSI: 000000003a736e6f RDI: 0000000000000004
RBP: 00007f00eac0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f00eada6080 R15: 00007fff0a5023f8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__bch2_quota_transfer fs/bcachefs/quota.c:319 [inline]
RIP: 0010:bch2_quota_transfer+0xaba/0xad0 fs/bcachefs/quota.c:367
Code: 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 fd 90 0f 0b e8 c7 59 86 07 0f 1f 80 00 00 00 00
RSP: 0018:ffffc9000d4476c0 EFLAGS: 00010287
RAX: ffffffff846e5fe9 RBX: ffff888032c148a0 RCX: 0000000000100000
RDX: ffffc9000e923000 RSI: 0000000000000987 RDI: 0000000000000988
RBP: ffffc9000d447868 R08: ffffffff846e5cb9 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff20371cf R12: 0000000000000001
R13: 0000000000000000 R14: 1ffff1100a542705 R15: ffff888052a13828
FS:  00007f00eb92e6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f00df5d2000 CR3: 000000004363a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400