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Diffstat (limited to 'results/classifier/user-mode-bugs/577')
| -rw-r--r-- | results/classifier/user-mode-bugs/577 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/results/classifier/user-mode-bugs/577 b/results/classifier/user-mode-bugs/577 new file mode 100644 index 00000000..7d365639 --- /dev/null +++ b/results/classifier/user-mode-bugs/577 @@ -0,0 +1,27 @@ + + +getdtablesize() returns wrong value in qemu user mode on Linux/alpha +Description of problem: +The `getdtablesize()` function returns a value that is too large. Namely, `getdtablesize() - 1` ought to be a valid file descriptor, but is not. +Steps to reproduce: +[foo.c](/uploads/7a9e99d3811fe4a7eef183ed98c966a4/foo.c) + +1. +``` +# apt install g++-10-alpha-linux-gnu +``` +2. +``` +$ alpha-linux-gnu-gcc-10 -Wall -static foo.c +``` +[a.out](/uploads/4fffa6dd2332885f51e4030dcbe25644/a.out) + +3. Transfer the a.out file to a Linux/alpha machine; execute it there. The return code is 0. +4. +``` +$ QEMU_LD_PREFIX=/usr/alpha-linux-gnu ~/inst-qemu/6.1.0/bin/qemu-alpha ./a.out ; echo $? +``` +Expected: `0` +Actual: `1` +Additional information: + |