Package: ltrace
Version: 0.7.91~git20230705.8eabf68-3
Severity: normal

Dear Maintainer,

$ </dev/zero /bin/dd status=progress > /dev/null
1756444160 bytes (1.8 GB, 1.6 GiB) copied, 4 s, 439 MB/s^Z
[3]+ Stopped /bin/dd status=progress < /dev/zero > /dev/null
$ jobs -p %3
3049318
$ ltrace -p 3049318 -o /dev/null
2147149312 bytes (2.1 GB, 2.0 GiB) copied, 25 s, 85.9 MB/s^C

ltrace shouldn't do this at all; strace doesn't.

-- System Information:
Debian Release: 12.11
APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable-debug'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.1.0-27-amd64 (SMP w/24 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_FIRMWARE_WORKAROUND, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages ltrace depends on:
ii libc6 2.36-9+deb12u10
ii libelf1 0.188-2.1
ii libselinux1 3.4-1+b6

ltrace recommends no packages.

ltrace suggests no packages.

-- Configuration Files:
/etc/ltrace.conf changed:
typedef dlsym_arg = enum[long](RTLD_DEFAULT=0,RTLD_NEXT=-1);
addr dlsym(dlsym_arg, string);
addr dlvsym(dlsym_arg, string, string);
int __cxa_atexit(addr, addr, addr);
void _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1Ev()
void _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6resizeEm(addr) string _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(addr)
ulong _ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(addr) string _ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(addr) void _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED1Ev(addr)
addr _ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEPKc(addr, string) void _ZdlPvm(addr, ulong); # delete
int getprotoent_r(addr, string3, ulong, addr*)
int getprotobyname_r(string, addr, string4, ulong, addr*)
int getprotobynumber_r(int, addr, string4, ulong, addr*)
int archive_read_set_options(addr, string)


-- no debconf information

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--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)

--lk77yox7xuk5vmpf
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Control: retitle -1 ltrace: -p $pid SIGCONTs $pid and makes SIGTSTPping $pid ineffective

Actually, if you attach ltrace -p then you can ^Z and it instantly resumes.
You can then fg, ^Z and this repeats.

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--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)