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    SubjectRe: mount on tmpfs failing to parse context option
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    On 9/30/19 12:07 PM, Laura Abbott wrote:
    > Hi,
    >
    > Fedora got a bug report https://bugzilla.redhat.com/show_bug.cgi?id=1757104
    > of a failure to parse options with the context mount option. From the reporter:
    >
    >
    > $ unshare -rm mount -t tmpfs tmpfs /tmp -o 'context="system_u:object_r:container_file_t:s0:c475,c690"'
    > mount: /tmp: wrong fs type, bad option, bad superblock on tmpfs, missing codepage or helper program, or other error.
    >
    >
    > Sep 30 16:50:42 kernel: tmpfs: Unknown parameter 'c690"'
    >
    > I haven't asked the reporter to bisect yet but I'm suspecting one of the
    > conversion to the new mount API:
    >
    > $ git log --oneline v5.3..origin/master mm/shmem.c
    > edf445ad7c8d Merge branch 'hugepage-fallbacks' (hugepatch patches from David Rientjes)
    > 19deb7695e07 Revert "Revert "Revert "mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask""
    > 28eb3c808719 shmem: fix obsolete comment in shmem_getpage_gfp()
    > 4101196b19d7 mm: page cache: store only head pages in i_pages
    > d8c6546b1aea mm: introduce compound_nr()
    > f32356261d44 vfs: Convert ramfs, shmem, tmpfs, devtmpfs, rootfs to use the new mount API
    > 626c3920aeb4 shmem_parse_one(): switch to use of fs_parse()
    > e04dc423ae2c shmem_parse_options(): take handling a single option into a helper
    > f6490b7fbb82 shmem_parse_options(): don't bother with mpol in separate variable
    > 0b5071dd323d shmem_parse_options(): use a separate structure to keep the results
    > 7e30d2a5eb0b make shmem_fill_super() static
    >
    >
    > I didn't find another report or a fix yet. Is it worth asking the reporter to bisect?
    >
    > Thanks,
    > Laura

    Ping again, I never heard anything back and I didn't see anything come in with
    -rc2

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