gfs2: fsid=syz:syz.0: fatal assertion failed ------------[ cut here ]------------ kernel BUG at fs/gfs2/quota.c:320! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 5838 Comm: syz-executor Not tainted 6.16.0-rc3-syzkaller-00329-gdfba48a70cb6 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__qd_hold fs/gfs2/quota.c:320 [inline] RIP: 0010:do_qc+0x5c1/0x5e0 fs/gfs2/quota.c:705 Code: 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 74 0a 48 8b 7c 24 10 e8 ad 9d 2d fe 48 8b 44 24 10 48 8b 38 e8 c0 00 34 fd 90 <0f> 0b e8 48 1a ca fd 48 8b 7c 24 10 e8 ae 00 34 fd 90 0f 0b 66 66 RSP: 0018:ffffc90003caf8f0 EFLAGS: 00010246 RAX: 000000000000002c RBX: 1ffff1100a557534 RCX: 548d8f7aa4cf8200 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffffffffffff R08: ffffc90003caf607 R09: 1ffff92000795ec0 R10: dffffc0000000000 R11: fffff52000795ec1 R12: ffff888052aba930 R13: ffff888052aba9a0 R14: ffff888052aba9c0 R15: 0000000000000000 FS: 00005555910bb500(0000) GS:ffff888125d50000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2c7907 CR3: 000000005c030000 CR4: 0000000000350ef0 Call Trace: gfs2_quota_change+0x394/0x800 fs/gfs2/quota.c:1304 gfs2_free_di+0x2db/0x3f0 fs/gfs2/rgrp.c:2592 gfs2_dinode_dealloc+0x30d/0x3e0 fs/gfs2/inode.c:497 evict_unlinked_inode fs/gfs2/super.c:1332 [inline] gfs2_evict_inode+0xe0b/0x1000 fs/gfs2/super.c:1429 evict+0x504/0x9c0 fs/inode.c:810 d_delete_notify include/linux/fsnotify.h:402 [inline] vfs_rmdir+0x3ec/0x520 fs/namei.c:4483 do_rmdir+0x2ac/0x630 fs/namei.c:4525 __do_sys_unlinkat fs/namei.c:4699 [inline] __se_sys_unlinkat fs/namei.c:4693 [inline] __x64_sys_unlinkat+0xc2/0xf0 fs/namei.c:4693 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c0858df07 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 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:00007ffed66e7cd8 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f9c0858df07 RDX: 0000000000000200 RSI: 00007ffed66e8e80 RDI: 00000000ffffff9c RBP: 00007f9c08610925 R08: 00005555910de66b R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007ffed66e8e80 R13: 00007f9c08610925 R14: 000000000006288c R15: 00007ffed66eb040 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__qd_hold fs/gfs2/quota.c:320 [inline] RIP: 0010:do_qc+0x5c1/0x5e0 fs/gfs2/quota.c:705 Code: 00 00 00 00 00 fc ff df 48 8b 0c 24 80 3c 01 00 74 0a 48 8b 7c 24 10 e8 ad 9d 2d fe 48 8b 44 24 10 48 8b 38 e8 c0 00 34 fd 90 <0f> 0b e8 48 1a ca fd 48 8b 7c 24 10 e8 ae 00 34 fd 90 0f 0b 66 66 RSP: 0018:ffffc90003caf8f0 EFLAGS: 00010246 RAX: 000000000000002c RBX: 1ffff1100a557534 RCX: 548d8f7aa4cf8200 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffffffffffff R08: ffffc90003caf607 R09: 1ffff92000795ec0 R10: dffffc0000000000 R11: fffff52000795ec1 R12: ffff888052aba930 R13: ffff888052aba9a0 R14: ffff888052aba9c0 R15: 0000000000000000 FS: 00005555910bb500(0000) GS:ffff888125d50000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2c7907 CR3: 000000005c030000 CR4: 0000000000350ef0