Date: Mon, 13 Jan 2025 05:49:56 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Yuri <yuri@freebsd.org> Cc: Freebsd hackers list <freebsd-hackers@freebsd.org> Subject: Re: pthread_mutex_trylock crashes because _get_curthread() returns null Message-ID: <Z4SNZC-aSm_Y0JfP@kib.kiev.ua> In-Reply-To: <ceabbb86-cbab-4f82-9a9b-b8e7068cd6b7@freebsd.org> References: <cf547d6a-fcee-4629-87d4-41e0da63dd79@FreeBSD.org> <Z4On_KSHfMRpi4RU@kib.kiev.ua> <ceabbb86-cbab-4f82-9a9b-b8e7068cd6b7@freebsd.org>
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On Sun, Jan 12, 2025 at 06:27:52PM -0800, Yuri wrote: > With this patch the original crash is gone, but now it crashes in calloc > with this stack: > > > #0 0x0000000003b2b1cc in calloc () > #1 0x000000002fda34e7 in _thr_alloc (curthread=curthread@entry=0x0) at > /disk-samsung/freebsd-src/lib/libthr/thread/thr_list.c:154 > #2 0x000000002fda2522 in _libpthread_init (curthread=curthread@entry=0x0) > at /disk-samsung/freebsd-src/lib/libthr/thread/thr_init.c:336 > #3 0x000000002fda5265 in _thr_check_init () at > /disk-samsung/freebsd-src/lib/libthr/thread/thr_private.h:927 > #4 __Tthr_mutex_trylock (mutex=0x415e440 <_rjem_je_arenas_lock+64>) at > /disk-samsung/freebsd-src/lib/libthr/thread/thr_mutex.c:622 > #5 0x0000000003b29674 in _rjem_je_arena_choose_hard () > #6 0x0000000003b335da in arena_choose () > #7 0x0000000003b2b5b3 in calloc () > #8 0x000000002fda34e7 in _thr_alloc (curthread=curthread@entry=0x0) at > /disk-samsung/freebsd-src/lib/libthr/thread/thr_list.c:154 > #9 0x000000002fda2522 in _libpthread_init (curthread=curthread@entry=0x0) > at /disk-samsung/freebsd-src/lib/libthr/thread/thr_init.c:336 > #10 0x000000002fda5265 in _thr_check_init () at > /disk-samsung/freebsd-src/lib/libthr/thread/thr_private.h:927 > #11 __Tthr_mutex_trylock (mutex=0x415e440 <_rjem_je_arenas_lock+64>) at > /disk-samsung/freebsd-src/lib/libthr/thread/thr_mutex.c:622 > #12 0x0000000003b29674 in _rjem_je_arena_choose_hard () > #13 0x0000000003b335da in arena_choose () > #14 0x0000000003b2b5b3 in calloc () > #15 0x000000002fda34e7 in _thr_alloc (curthread=curthread@entry=0x0) at > /disk-samsung/freebsd-src/lib/libthr/thread/thr_list.c:154 > #16 0x000000002fda2522 in _libpthread_init (curthread=curthread@entry=0x0) > at /disk-samsung/freebsd-src/lib/libthr/thread/thr_init.c:336 > #17 0x000000002fda5265 in _thr_check_init () at > /disk-samsung/freebsd-src/lib/libthr/thread/thr_private.h:927 > #18 __Tthr_mutex_trylock (mutex=0x415e440 <_rjem_je_arenas_lock+64>) at > /disk-samsung/freebsd-src/lib/libthr/thread/thr_mutex.c:622 There must be more frames after #18.
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