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authorRichard Guy Briggs <rgb@redhat.com>2019-01-23 13:35:00 -0500
committerPaul Moore <paul@paul-moore.com>2019-01-30 20:51:47 -0500
commit57d4657716aca81ef4d7ec23e8123d26e3d28954 (patch)
tree61af3d955d7a01767f7d1e6ede67ca6096cc8a07 /security/smack/smack_lsm.c
parentaudit: clean up AUDITSYSCALL prototypes and stubs (diff)
downloadlinux-dev-57d4657716aca81ef4d7ec23e8123d26e3d28954.tar.xz
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audit: ignore fcaps on umount
Don't fetch fcaps when umount2 is called to avoid a process hang while it waits for the missing resource to (possibly never) re-appear. Note the comment above user_path_mountpoint_at(): * A umount is a special case for path walking. We're not actually interested * in the inode in this situation, and ESTALE errors can be a problem. We * simply want track down the dentry and vfsmount attached at the mountpoint * and avoid revalidating the last component. This can happen on ceph, cifs, 9p, lustre, fuse (gluster) or NFS. Please see the github issue tracker https://github.com/linux-audit/audit-kernel/issues/100 Signed-off-by: Richard Guy Briggs <rgb@redhat.com> [PM: merge fuzz in audit_log_fcaps()] Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'security/smack/smack_lsm.c')
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