On Thu, Mar 06, 2025 at 02:17:46PM +0100, Bill Allombert wrote: > On Thu, Mar 06, 2025 at 09:50:35AM +0100, Bill Allombert wrote: > > On Thu, Mar 06, 2025 at 07:02:25AM +0100, Aurelien Jarno wrote: > > > Hi Bill, > > > > > > On 2025-03-05 21:30, Bill Allombert wrote: > > > > Package: libc6 > > > > Version: 2.41-7 > > > > Severity: normal > > > > > > > > Hello Aurelien, > > > > > > > > During a test build pari FTBFS due to a test-suite failure in a test > > > > involving pthread. > > > > this failure is only reproducible with libc6 2.41. > > > > Thanks for looking into this! > > Apparently this happens after a thread does a longjmp to itself.
Maybe I was mistaken. It seems the issue is with pthread_exit, but maybe this is implemented by longjmp ? The main failure mode is a double free, but if I remove the free(), I get instead Thread 430 "gp-sta" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7ffda20c46c0 (LWP 2255037)] __longjmp_cancel () at ../sysdeps/x86_64/__longjmp.S:147 warning: 147 ../sysdeps/x86_64/__longjmp.S: Aucun fichier ou dossier de ce nom Cheers, -- Bill. <ballo...@debian.org> Imagine a large red swirl here.
