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Diffstat (limited to 'results/classifier/user-mode-bugs/1808563')
| -rw-r--r-- | results/classifier/user-mode-bugs/1808563 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/user-mode-bugs/1808563 b/results/classifier/user-mode-bugs/1808563 new file mode 100644 index 000000000..8f299b338 --- /dev/null +++ b/results/classifier/user-mode-bugs/1808563 @@ -0,0 +1,19 @@ + + +Listing the contents of / lists QEMU_LD_PREFIX instead + +Seeing this in qemu-user version 3.1.0 + +Demo: +$ QEMU_LD_PREFIX=$(pwd)/usr/armv7a-cros-linux-gnueabi ../run/qemu-arm /tmp/coreutils --coreutils-prog=ls / +etc lib usr +$ ls / +boot etc lib lib64 lost+found mnt root sbin sys usr +bin dev export home lib32 net proc run tmp var +$ ls usr/armv7a-cros-linux-gnueabi +etc lib usr + +In strace, the openat for "/" is remapped to the directory specified in QEMU_LD_PREFIX: +[pid 5302] openat(AT_FDCWD, "/tmp/qemu/usr/armv7a-cros-linux-gnueabi", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3 + +As an aside, if I change the code to do chdir("/"); opendir("."); it works fine. \ No newline at end of file |