[moderation/CI] Re: hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list

[moderation/CI] Re: hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list

[syzbot ci]

syzbot ci has tested the following series

[v1] hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list
https://lore.kernel.org/all/20250925143312.149623-1-kartikey406@gmail.com
* [PATCH] hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list

and found the following issue:
WARNING: lock held when returning to user space in hugetlb_vmdelete_list

Full report is available here:
https://ci.syzbot.org/series/f0860e54-5be0-4511-bb04-fbd5a7d7a4c7

***

WARNING: lock held when returning to user space in hugetlb_vmdelete_list

tree:      torvalds
URL:       https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
base:      07e27ad16399afcd693be20211b0dfae63e0615f
arch:      amd64
compiler:  Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
config:    https://ci.syzbot.org/builds/f58f7b55-7489-4b00-ae8d-a748a39e1223/config
C repro:   https://ci.syzbot.org/findings/7a1b33ec-cf07-4a12-8dd6-bd9edef58501/c_repro
syz repro: https://ci.syzbot.org/findings/7a1b33ec-cf07-4a12-8dd6-bd9edef58501/syz_repro

================================================
WARNING: lock held when returning to user space!
syzkaller #0 Not tainted
------------------------------------------------
syz.0.17/5990 is leaving the kernel with locks still held!
1 lock held by syz.0.17/5990:
 #0: ffff8880218488e8 (&resv_map->rw_sema){+.+.}-{4:4}, at: hugetlb_vmdelete_list+0x67/0x230 fs/hugetlbfs/inode.c:490


***

If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
  Tested-by: syzbot@syzkaller.appspotmail.com

---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.

The email will later be sent to:
[akpm@linux-foundation.org david@redhat.com kartikey406@gmail.com linux-kernel@vger.kernel.org linux-mm@kvack.org mike.kravetz@oracle.com muchun.song@linux.dev osalvador@suse.de syzbot@syzkaller.appspotmail.com]

If the report looks fine to you, reply with:
#syz upstream

[moderation/CI] Re: hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list

[syzbot ci]

syzbot ci has tested the following series

[v1] hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list
https://lore.kernel.org/all/20250925144934.150299-1-kartikey406@gmail.com
* [PATCH] hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list

and found the following issue:
WARNING: lock held when returning to user space in hugetlb_vmdelete_list

Full report is available here:
https://ci.syzbot.org/series/7d3a090c-ec8f-4d0c-8f7b-8797e63f1fde

***

WARNING: lock held when returning to user space in hugetlb_vmdelete_list

tree:      torvalds
URL:       https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
base:      07e27ad16399afcd693be20211b0dfae63e0615f
arch:      amd64
compiler:  Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
config:    https://ci.syzbot.org/builds/06671e7c-eebd-4d11-9f0d-d9dae5637c0a/config
C repro:   https://ci.syzbot.org/findings/75fcdb87-67fc-45ee-a70d-3064e8c1126c/c_repro
syz repro: https://ci.syzbot.org/findings/75fcdb87-67fc-45ee-a70d-3064e8c1126c/syz_repro

================================================
WARNING: lock held when returning to user space!
syzkaller #0 Not tainted
------------------------------------------------
syz.0.17/5991 is leaving the kernel with locks still held!
1 lock held by syz.0.17/5991:
 #0: ffff88801f7dcce8 (&resv_map->rw_sema){+.+.}-{4:4}, at: hugetlb_vmdelete_list+0x67/0x230 fs/hugetlbfs/inode.c:490


***

If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
  Tested-by: syzbot@syzkaller.appspotmail.com

---
This report is generated by a bot. It may contain errors.
syzbot ci engineers can be reached at syzkaller@googlegroups.com.

The email will later be sent to:
[akpm@linux-foundation.org david@redhat.com kartikey406@gmail.com linux-kernel@vger.kernel.org linux-mm@kvack.org muchun.song@linux.dev osalvador@suse.de syzbot@syzkaller.appspotmail.com]

If the report looks fine to you, reply with:
#syz upstream

Re: [moderation/CI] Re: hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list

[Aleksandr Nogikh]

#syz upstream

On Thu, Sep 25, 2025 at 9:23 PM syzbot ci
<syzbot+cibb3944405c273c2d@syzkaller.appspotmail.com> wrote:
>
> syzbot ci has tested the following series
>
> [v1] hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list
> https://lore.kernel.org/all/20250925144934.150299-1-kartikey406@gmail.com
> * [PATCH] hugetlbfs: skip VMAs without shareable locks in hugetlb_vmdelete_list
>
> and found the following issue:
> WARNING: lock held when returning to user space in hugetlb_vmdelete_list
>
> Full report is available here:
> https://ci.syzbot.org/series/7d3a090c-ec8f-4d0c-8f7b-8797e63f1fde
>
> ***
>
> WARNING: lock held when returning to user space in hugetlb_vmdelete_list
>
> tree:      torvalds
> URL:       https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
> base:      07e27ad16399afcd693be20211b0dfae63e0615f
> arch:      amd64
> compiler:  Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
> config:    https://ci.syzbot.org/builds/06671e7c-eebd-4d11-9f0d-d9dae5637c0a/config
> C repro:   https://ci.syzbot.org/findings/75fcdb87-67fc-45ee-a70d-3064e8c1126c/c_repro
> syz repro: https://ci.syzbot.org/findings/75fcdb87-67fc-45ee-a70d-3064e8c1126c/syz_repro
>
> ================================================
> WARNING: lock held when returning to user space!
> syzkaller #0 Not tainted
> ------------------------------------------------
> syz.0.17/5991 is leaving the kernel with locks still held!
> 1 lock held by syz.0.17/5991:
>  #0: ffff88801f7dcce8 (&resv_map->rw_sema){+.+.}-{4:4}, at: hugetlb_vmdelete_list+0x67/0x230 fs/hugetlbfs/inode.c:490
>
>
> ***
>
> If these findings have caused you to resend the series or submit a
> separate fix, please add the following tag to your commit message:
>   Tested-by: syzbot@syzkaller.appspotmail.com
>
> ---
> This report is generated by a bot. It may contain errors.
> syzbot ci engineers can be reached at syzkaller@googlegroups.com.
>
> The email will later be sent to:
> [akpm@linux-foundation.org david@redhat.com kartikey406@gmail.com linux-kernel@vger.kernel.org linux-mm@kvack.org muchun.song@linux.dev osalvador@suse.de syzbot@syzkaller.appspotmail.com]
>
> If the report looks fine to you, reply with:
> #syz upstream
>
> --
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