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-rw-r--r--results/classifier/118/user-level/2170104
1 files changed, 104 insertions, 0 deletions
diff --git a/results/classifier/118/user-level/2170 b/results/classifier/118/user-level/2170
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index 000000000..8f483848d
--- /dev/null
+++ b/results/classifier/118/user-level/2170
@@ -0,0 +1,104 @@
+user-level: 0.813
+graphic: 0.758
+KVM: 0.730
+TCG: 0.726
+x86: 0.714
+register: 0.710
+performance: 0.705
+semantic: 0.690
+i386: 0.686
+device: 0.686
+ppc: 0.685
+arm: 0.683
+mistranslation: 0.681
+permissions: 0.675
+debug: 0.672
+vnc: 0.667
+architecture: 0.667
+virtual: 0.654
+VMM: 0.652
+PID: 0.636
+peripherals: 0.634
+assembly: 0.627
+hypervisor: 0.614
+socket: 0.602
+network: 0.599
+kernel: 0.594
+risc-v: 0.582
+boot: 0.568
+files: 0.515
+--------------------
+x86: 0.990
+user-level: 0.896
+debug: 0.745
+TCG: 0.528
+virtual: 0.091
+files: 0.079
+performance: 0.072
+PID: 0.053
+register: 0.029
+assembly: 0.026
+kernel: 0.021
+hypervisor: 0.018
+semantic: 0.009
+architecture: 0.008
+device: 0.007
+ppc: 0.005
+network: 0.004
+risc-v: 0.004
+socket: 0.003
+VMM: 0.002
+graphic: 0.002
+permissions: 0.002
+boot: 0.002
+peripherals: 0.002
+vnc: 0.001
+KVM: 0.001
+mistranslation: 0.001
+arm: 0.000
+i386: 0.000
+
+qemu-x86_64 crashes when the application calls pthread_getattr_np()
+Description of problem:
+QEMU user emulation crashes with this program:
+```
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <pthread.h>
+
+int main()
+{
+        pthread_attr_t attr;
+        int error = pthread_getattr_np(pthread_self(), &attr);
+
+        printf("%d\n", error);
+        return 0;
+}
+```
+Steps to reproduce:
+1. Compile the program above
+2. Run QEMU
+Additional information:
+QEMU crashes with:
+```
+qemu-x86_64: QEMU internal SIGSEGV {code=MAPERR, addr=0x20}
+Segmentation fault (core dumped)
+
+```
+
+In gdb I get this backtrace:
+```
+#0  0x0000555555627d6d in open_self_maps_2 (opaque=0x7fffffffc020, guest_start=18446744073699065856, guest_end=<optimized out>, flags=12) at ../linux-user/syscall.c:8089
+#1  0x000055555560ce67 in walk_memory_regions (priv=priv@entry=0x7fffffffc020, fn=fn@entry=0x555555627d30 <open_self_maps_2>) at ../accel/tcg/user-exec.c:176
+#2  0x0000555555628b3a in open_self_maps_1 (smaps=<optimized out>, fd=<optimized out>, env=<optimized out>) at ../linux-user/syscall.c:8112
+#3  open_self_maps (cpu_env=<optimized out>, fd=3) at ../linux-user/syscall.c:8122
+#4  0x0000555555631e24 in do_guest_openat (cpu_env=cpu_env@entry=0x55555583ae20, dirfd=dirfd@entry=-100, fname=fname@entry=0x2aaaab496eb4 "/proc/self/maps", flags=524288, mode=mode@entry=0, safe=safe@entry=true) at ../linux-user/syscall.c:8381
+#5  0x0000555555638f71 in do_syscall1 (cpu_env=cpu_env@entry=0x55555583ae20, num=num@entry=257, arg1=arg1@entry=4294967196, arg2=arg2@entry=46912506523316, arg3=arg3@entry=524288, arg4=arg4@entry=0, arg5=<optimized out>, arg6=<optimized out>, arg8=0, arg7=0) at ../linux-user/syscall.c:9075
+#6  0x000055555563b659 in do_syscall (cpu_env=cpu_env@entry=0x55555583ae20, num=257, arg1=4294967196, arg2=46912506523316, arg3=524288, arg4=0, arg5=8, arg6=1, arg7=0, arg8=0) at ../linux-user/syscall.c:13658
+#7  0x000055555558db19 in cpu_loop (env=env@entry=0x55555583ae20) at ../linux-user/x86_64/../i386/cpu_loop.c:242
+#8  0x00005555555898d8 in main (argc=<optimized out>, argv=0x7fffffffdd38, envp=<optimized out>) at ../linux-user/main.c:1012
+
+```
+
+This bug was introduced in the rewrite of `open_self_maps` in 7b7a3366e142d3baeb3fd1d3660a50e7956c19eb.
+The current master (5767815218efd3cbfd409505ed824d5f356044ae) is still affected.