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I get the error "Unable to request new process from fork server" when running the cxxfilt example.
dmesg shows that pt-proxy-fast is crashing:
[ 113.654569] Cannot allocate proxy vma
[ 113.654584] pt-proxy-fast[2194]: segfault at 1 ip 00007ffff787a183 sp 00007fffffffe1a8 error 4 in libc-2.19.so[7ffff77f3000+1be000]
I am running 14.04.05 with kernel 4.4.0-148-generic (native, no docker or VM).
ldd on cxxfilt shows the right ld.so in the afl-.../pt_mode/glibc/build directory and it exists.
full dmesg output:
[ 49.997764] ptmodule: loading out-of-tree module taints kernel.
[ 49.997803] ptmodule: module verification failed: signature and/or required key missing - tainting kernel
[ 49.998075] The PT supports 36 ToPA entries and 2 address ranges for filtering
[ 109.626931] Unsafe core_pattern used with suid_dumpable=2. Pipe handler or fully qualified core dump path required.
[ 113.340476] Unsafe core_pattern used with suid_dumpable=2. Pipe handler or fully qualified core dump path required.
[ 113.554696] Proxy start with PID 2194
[ 113.582989] Target confirmed: ./test_progs/binutils-2.29/build/binutils/cxxfilt, ptm ffff88021f634000
[ 113.645876] Fork server path ./test_progs/binutils-2.29/build/binutils/cxxfilt and pid 2195
[ 113.645878] The CPU ID for fork server is 0
[ 113.654569] Cannot allocate proxy vma
[ 113.654584] pt-proxy-fast[2194]: segfault at 1 ip 00007ffff787a183 sp 00007fffffffe1a8 error 4 in libc-2.19.so[7ffff77f3000+1be000]
[ 113.654619] Exit of the proxy process
[ 113.654619] In total 0 runs
[ 113.654620] Release trace point
The text was updated successfully, but these errors were encountered:
I get the error "Unable to request new process from fork server" when running the cxxfilt example.
dmesg shows that pt-proxy-fast is crashing:
I am running 14.04.05 with kernel 4.4.0-148-generic (native, no docker or VM).
ldd on cxxfilt shows the right ld.so in the afl-.../pt_mode/glibc/build directory and it exists.
full dmesg output:
The text was updated successfully, but these errors were encountered: