------------[ cut here ]------------
kernel BUG at fs/bcachefs/quota.c:232!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5103 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-04557-g2f27fce67173 #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_check_limit+0xd48/0xd70 fs/bcachefs/quota.c:232
Code: de e8 8c 93 b0 00 e9 9b fa ff ff e8 82 4d 56 fd 48 c7 c7 d0 0f f6 8e 48 89 de e8 73 93 b0 00 e9 d8 fa ff ff e8 69 4d 56 fd 90 <0f> 0b e8 61 4d 56 fd 90 0f 0b e8 59 4d 56 fd 90 0f 0b e8 51 4d 56
RSP: 0018:ffffc90002f8f350 EFLAGS: 00010293
RAX: ffffffff843d8be7 RBX: 0000000000000000 RCX: ffff88801cb90000
RDX: 0000000000000000 RSI: fffffffffffffff8 RDI: 0000000000000000
RBP: fffffffffffffff8 R08: ffffffff843d7f2f R09: fffffffffffffff8
R10: dffffc0000000000 R11: fffffbfff2037ba6 R12: ffff888000f4a800
R13: 0000000000000000 R14: fffffffffffffff8 R15: ffffc90002f8f480
FS:  00007f4fadaf86c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4fa13ffe00 CR3: 000000003b2e4000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_quota_acct+0x3f9/0x750 fs/bcachefs/quota.c:299
 bch2_i_sectors_acct fs/bcachefs/fs-io.h:138 [inline]
 bchfs_truncate+0x984/0xc70 fs/bcachefs/fs-io.c:484
 notify_change+0xbca/0xe90 fs/attr.c:503
 do_truncate+0x220/0x310 fs/open.c:65
 handle_truncate fs/namei.c:3395 [inline]
 do_open fs/namei.c:3778 [inline]
 path_openat+0x2e1e/0x3590 fs/namei.c:3933
 do_filp_open+0x235/0x490 fs/namei.c:3960
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415
 do_sys_open fs/open.c:1430 [inline]
 __do_sys_openat fs/open.c:1446 [inline]
 __se_sys_openat fs/open.c:1441 [inline]
 __x64_sys_openat+0x247/0x2a0 fs/open.c:1441
 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: 0033:0x7f4facd7def9
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:00007f4fadaf8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f4facf36058 RCX: 00007f4facd7def9
RDX: 0000000000104a42 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f4facdf0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000159 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4facf36058 R15: 00007ffcc44cc0e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_quota_check_limit+0xd48/0xd70 fs/bcachefs/quota.c:232
Code: de e8 8c 93 b0 00 e9 9b fa ff ff e8 82 4d 56 fd 48 c7 c7 d0 0f f6 8e 48 89 de e8 73 93 b0 00 e9 d8 fa ff ff e8 69 4d 56 fd 90 <0f> 0b e8 61 4d 56 fd 90 0f 0b e8 59 4d 56 fd 90 0f 0b e8 51 4d 56
RSP: 0018:ffffc90002f8f350 EFLAGS: 00010293
RAX: ffffffff843d8be7 RBX: 0000000000000000 RCX: ffff88801cb90000
RDX: 0000000000000000 RSI: fffffffffffffff8 RDI: 0000000000000000
RBP: fffffffffffffff8 R08: ffffffff843d7f2f R09: fffffffffffffff8
R10: dffffc0000000000 R11: fffffbfff2037ba6 R12: ffff888000f4a800
R13: 0000000000000000 R14: fffffffffffffff8 R15: ffffc90002f8f480
FS:  00007f4fadaf86c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0cdb410095 CR3: 000000003b2e4000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400