Control: tags 1140167 +patch On 2026-06-16, Vagrant Cascadian wrote: > On 2026-06-16, Kris Van Hees wrote: >> The reproduced reports failure for the dtrace-tests deb due to the kernel >> version string that is included in the USDT ELF notes. The kernel versions >> on the two systems (orginal and comparison system) are not the same, and >> thus this is flagged as a failure and it also affects the build-id which is >> therefore different. >> >> 6.12.88+deb13-arm64 >> #1 SMP Debian 6.12.88-1 (2026-05-15) >> >> vs >> >> 6.12.90+deb13-cloud-arm64 >> #1 SMP Debian 6.12.90-1 (2026-05-22) > > This is highly unlikely to be arm specific, just you happened to get the > same kernel on the other tested architectures. > > Most likely this is due to > > GNUmakefile:KERNELS ?= $(shell uname -r) > > ... or various other calls to "uname -r" which somehow get embedded in > the binaries.
Those were all false leads. It seems embedding some utsname data is the culprit... > Ideally this can be patched out of your package, as relying on the > kernel version matching is unlikely to be the same over the course of > days, months or years as security updates for the kernel come out. > > I will take a quick stab at patches... The attached patch seems to fix this issue as well as embedded hostname and domainname as a side-benefit! Not sure if there are unintended consequences to removing this information; not very familiar with dtrace to be able to evaluate that. live well, vagrant
From: Vagrant Cascadian <[email protected]> Date: Tue, 16 Jun 2026 13:32:29 -0700 X-Dgit-Generated: 2.0.7-1.1~5 32b0b6c474637eb38dc93b315f833b0f58bf5c25 Subject: libdtrace/dt_link.c: Do not call note_add_utsname. --- diff --git a/libdtrace/dt_link.c b/libdtrace/dt_link.c index 6d73388..d3675f2 100644 --- a/libdtrace/dt_link.c +++ b/libdtrace/dt_link.c @@ -398,8 +398,6 @@ create_elf64(dtrace_hdl_t *dtp, dtrace_prog_t *pgp, int fd, uint_t flags) if (!(flags & DTRACE_D_STRIP)) { if (note_add_version(usdt) == -1) goto fail; - if (note_add_utsname(usdt) == -1) - goto fail; } dt_free(dtp, usdt);
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