------------[ cut here ]------------ kernel BUG at fs/gfs2/quota.c:333! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5104 Comm: syz-executor Not tainted 6.10.0-rc7-next-20240712-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:qd_put+0x192/0x1a0 fs/gfs2/quota.c:333 Code: ef e8 62 f6 17 fe e9 f2 fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 7c 82 48 89 ef e8 39 f7 17 fe e9 75 ff ff ff e8 2f 70 b0 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003ce7c08 EFLAGS: 00010293 RAX: ffffffff83e35ac1 RBX: 00000000ffffff80 RCX: ffff888069c6da00 RDX: 0000000000000000 RSI: 00000000ffffff80 RDI: 0000000000000000 RBP: ffff888066ba0070 R08: ffffffff83e359a1 R09: fffff5200079cf6c R10: dffffc0000000000 R11: fffff5200079cf6c R12: ffff888066ba0000 R13: ffff88802c556000 R14: ffff888066ba0030 R15: 1ffff1100cd7400e FS: 0000555566297500(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3d1752 CR3: 000000002ee84000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_quota_sync+0x41b/0x4a0 fs/gfs2/quota.c:1363 gfs2_sync_fs+0x4d/0xc0 fs/gfs2/super.c:670 sync_filesystem+0xed/0x230 fs/sync.c:56 generic_shutdown_super+0x72/0x2d0 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1685 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1372 task_work_run+0x24f/0x310 kernel/task_work.c:222 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd9e5576f07 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007fff1fe7af58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd9e5576f07 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1fe7b010 RBP: 00007fff1fe7b010 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff1fe7c0d0 R13: 00007fd9e55e3515 R14: 000000000002350a R15: 000000000002350a Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:qd_put+0x192/0x1a0 fs/gfs2/quota.c:333 Code: ef e8 62 f6 17 fe e9 f2 fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 7c 82 48 89 ef e8 39 f7 17 fe e9 75 ff ff ff e8 2f 70 b0 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003ce7c08 EFLAGS: 00010293 RAX: ffffffff83e35ac1 RBX: 00000000ffffff80 RCX: ffff888069c6da00 RDX: 0000000000000000 RSI: 00000000ffffff80 RDI: 0000000000000000 RBP: ffff888066ba0070 R08: ffffffff83e359a1 R09: fffff5200079cf6c R10: dffffc0000000000 R11: fffff5200079cf6c R12: ffff888066ba0000 R13: ffff88802c556000 R14: ffff888066ba0030 R15: 1ffff1100cd7400e FS: 0000555566297500(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3d1752 CR3: 000000002ee84000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400