strace up to 4.5.13 mount options deparser is somewhat incomplete. Steps to Reproduce: strace -e trace=mount mount /dev/pts Actual results: mount("devpts", "/dev/pts", "devpts", MS_POSIXACL|MS_ACTIVE|MS_NOUSER|0xec0000, 0x805eff0) = -1 EPERM (Operation not permitted) Expected results: mount("devpts", "/dev/pts", "devpts", MS_MGC_VAL, "gid=5,mode=0620") = -1 EPERM (Operation not permitted)
Created attachment 117550 [details] strace-4.5.13-alt-mount.patch Proposed fix.
I've put this in upstream. Thanks for the fix.
Fixed in fc4 update and in fc5.