On Thu, Aug 27, 2020 at 05:26:46AM +0700, Robert Elz wrote: > 28469 28469 xkbcomp CALL unlink(0x7f7fffffec7b) > 28469 28469 xkbcomp NAMI "/dev/stdout" > 28469 28469 xkbcomp RET unlink -1 errno 13 Permission denied > 28469 28469 xkbcomp CALL open(0x7f7fffffec7b,0xa01,0x1b6) > 28469 28469 xkbcomp NAMI "/dev/stdout" > 28469 28469 xkbcomp RET open -1 errno 17 File exists
Ahh. Then I revise my guess to "an attempt to prevent someone sneaking in a symlink between the unlink and the open", i.e. classic race condition security for publically writable directories like /tmp.