------------[ cut here ]------------ kernel BUG at fs/bcachefs/quota.c:319! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5318 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:ffffc9000d387640 EFLAGS: 00010287 RAX: ffffffff846e5fe9 RBX: ffff888040acf190 RCX: 0000000000100000 RDX: ffffc9000f791000 RSI: 0000000000000a21 RDI: 0000000000000a22 RBP: ffffc9000d3877e8 R08: ffffffff846e5cb9 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff20371cf R12: 0000000000000001 R13: 0000000000000000 R14: 1ffff11002437605 R15: ffff8880121bb028 FS: 00007f2a87c5a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2a7ac3f000 CR3: 000000004170c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_chown fs/open.c:833 [inline] __se_sys_chown fs/open.c:831 [inline] __x64_sys_chown+0x82/0x90 fs/open.c:831 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: 0033:0x7f2a86d8cd29 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:00007f2a87c5a038 EFLAGS: 00000246 ORIG_RAX: 000000000000005c RAX: ffffffffffffffda RBX: 00007f2a86fa6080 RCX: 00007f2a86d8cd29 RDX: 000000000000ee01 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007f2a86e0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2a86fa6080 R15: 00007ffc923ce498 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:ffffc9000d387640 EFLAGS: 00010287 RAX: ffffffff846e5fe9 RBX: ffff888040acf190 RCX: 0000000000100000 RDX: ffffc9000f791000 RSI: 0000000000000a21 RDI: 0000000000000a22 RBP: ffffc9000d3877e8 R08: ffffffff846e5cb9 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff20371cf R12: 0000000000000001 R13: 0000000000000000 R14: 1ffff11002437605 R15: ffff8880121bb028 FS: 00007f2a87c5a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2a7b3e0000 CR3: 000000004170c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400