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authorElliott Hughes <enh@google.com>2019-12-13 16:15:26 -0800
committerRob Landley <rob@landley.net>2019-12-14 17:36:43 -0600
commit08b5330e2bbdfe5b79e7571c3bf242c7befe96bd (patch)
tree85e5d47cea0be1c41041917d1e63e509d3d4c915 /tests/echo.test
parentb9e621e86b2b6e40c6d7b83e7fe6cd110433f498 (diff)
downloadtoybox-08b5330e2bbdfe5b79e7571c3bf242c7befe96bd.tar.gz
dirtree.c: avoid spurious EINVAL warnings.
An Android engineer complained that they were seeing this when not running as root: $ adb shell ls ls: ./postinstall: Invalid argument ls: ./init: Permission denied ls: ./data_mirror: Invalid argument ls: ./init.environ.rc: Invalid argument ls: ./metadata: Invalid argument acct adb_keys apex From strace, it was here: newfstatat(4, "adb_keys", 0x7fc67eca88, AT_SYMLINK_NOFOLLOW) = -1 EACCES (Permission denied) readlinkat(4, "adb_keys", 0x5e843c7720, 4095) = -1 EINVAL (Invalid argument) So stop looking at st.st_mode (and then deciding to do a readlinkat()) if we didn't actually successfully stat().
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