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Enhance mount::umount2 to support UMOUNT_NOFOLLOW flag #1631

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jiangliu opened this issue Jan 12, 2022 · 0 comments · Fixed by #1634
Closed

Enhance mount::umount2 to support UMOUNT_NOFOLLOW flag #1631

jiangliu opened this issue Jan 12, 2022 · 0 comments · Fixed by #1634
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@rtzoeller

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jiangliu commented Jan 12, 2022 •
edited by rtzoeller

It would be great to enhance mount::umount2 to support UMOUNT_NOFOLLOW flag, so it could be used to defend some symlink based attacks.
@jiangliu jiangliu mentioned this issue Jan 12, 2022
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@rtzoeller rtzoeller mentioned this issue Jan 13, 2022
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bors added a commit to rust-lang/libc that referenced this issue Jan 13, 2022
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Auto merge of #2624 - rtzoeller:umount_nofollow, r=Amanieu
e470e3b 
Define UMOUNT_NOFOLLOW on Linux-like platforms

Requested-by: nix-rust/nix#1631
@rtzoeller rtzoeller self-assigned this Jan 14, 2022
@rtzoeller rtzoeller mentioned this issue Jan 14, 2022
Merged
@rtzoeller rtzoeller changed the title Enhance mount::umount2 to support UMOUNT_FOLLOW flag Enhance mount::umount2 to support UMOUNT_NOFOLLOW flag Jan 18, 2022
@bors bors bot closed this as completed in c3731f1 Jan 18, 2022
@bors bors bot closed this as completed in #1634 Jan 18, 2022
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Define UMOUNT_NOFOLLOW, FUSE_SUPER_MAGIC rtzoeller/nix
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