Control: tags -1 + moreinfo unreproducible Hi Jörg,
On Wed, Nov 26, 2025 at 05:54:39PM +0100, Jörg Sommer wrote: > Package: linux-kbuild-6.18 > Version: 6.18~rc7-1~exp1 > Severity: normal > File: /usr/lib/linux-kbuild-6.18/tools/objtool/objtool > > Dear Maintainer, > > I'm trying to install the package *nvidia-kernel-dkms* (550.163.01-4) on my > system which triggers dkms. This fails, because objtool crashes. Here is the > core dump: > > PID: 219805 (objtool.real-x8) > UID: 1000 (joerg) > GID: 1000 (joerg) > Signal: 11 (SEGV) > Timestamp: Wed 2025-11-26 14:11:01 CET (3min 37s ago) > Command Line: /usr/src/linux-headers-6.18-amd64/tools/objtool/objtool > --hacks=jump_label --hacks=noinstr --hacks=skylake --ibt --orc --retpoline > --rethunk --sls --static-call --uaccess --prefix=16 --link --module nvidia.o > Executable: /usr/lib/linux-kbuild-6.18/tools/objtool/objtool.real-x86 > Control Group: > /user.slice/user-1000.slice/[email protected]/app.slice/app-gnome-xterm-31934.scope > Unit: [email protected] > User Unit: app-gnome-xterm-31934.scope > Slice: user-1000.slice > Owner UID: 1000 (joerg) > Boot ID: 31de29b563df4019b7e2ab8c62b9f795 > Machine ID: 523cb54753234ed08c13ec497d0d3b64 > Hostname: zenbook > Storage: > /var/lib/systemd/coredump/core.objtool\x2ereal-x8.1000.31de29b563df4019b7e2ab8c62b9f795.219805.1764162661000000.zst > (present) > Size on Disk: 110M > Message: Process 219805 (objtool.real-x8) of user 1000 dumped core. > > [New LWP 219805] > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". > Core was generated by > `/usr/src/linux-headers-6.18-amd64/tools/objtool/objtool --hacks=jump_label > --ha'. > Program terminated with signal SIGSEGV, Segmentation fault. > Download failed: Invalid argument. Continuing without source file > ./tools/objtool/./tools/objtool/elf.c. > #0 find_reloc_by_dest_range (elf=0x5b04b9247c70, > sec=sec@entry=0x5b04b924b820, offset=24, len=<optimized out>) at > ./tools/objtool/elf.c:285 > > warning: 285 ./tools/objtool/elf.c: No such file or directory > > Thread 1 (Thread 0x7941780f8f00 (LWP 219805)): > #0 find_reloc_by_dest_range (elf=0x5b04b9247c70, > sec=sec@entry=0x5b04b924b820, offset=24, len=<optimized out>) at > ./tools/objtool/elf.c:285 > reloc = 0xaaaaaaaaaaaaaaaa > r = 0x7941727b3010 > rsec = 0x5b04b924b8e0 > o = 16 > #1 0x00005b04b2253187 in insn_reloc (file=<optimized out>, > insn=0x5b04b92bac40) at ./tools/objtool/check.c:1268 > reloc = <optimized out> > #2 add_jump_destinations (file=<optimized out>) at > ./tools/objtool/check.c:1503 > func = 0x79417366fcd0 > __sec = 0x5b04b924b820 > __fake = <optimized out> > insn = 0x5b04b92bac40 > jump_dest = <optimized out> > reloc = <optimized out> > dest_sec = <optimized out> > dest_off = <optimized out> > ret = <optimized out> > #3 decode_sections (file=file@entry=0x5b04b2279e80 <file>) at > ./tools/objtool/check.c:2573 > ret = <optimized out> > #4 0x00005b04b2254c70 in check (file=file@entry=0x5b04b2279e80 <file>) at > ./tools/objtool/check.c:4773 > ret = 0 > warnings = 0 > #5 0x00005b04b225891a in objtool_run (argc=<optimized out>, > argv=0x7fff8147cc08) at ./tools/objtool/builtin-check.c:328 > file = 0x5b04b2279e80 <file> > ret = 0 > #6 0x000079417820dca8 in __libc_start_call_main > (main=main@entry=0x5b04b22456f0 <main>, argc=argc@entry=15, > argv=argv@entry=0x7fff8147cc08) at ../sysdeps/nptl/libc_start_call_main.h:58 > self = <optimized out> > result = <optimized out> > unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140735362354184, > 2401228595235890281, 0, 140735362354312, 133322097692672, 100075726927544, > -2401014395131550615, -3184026318482856855}, mask_was_saved = 0}}, priv = > {pad = {0x0, 0x0, 0x7fff8147cc08, 0xf}, data = {prev = 0x0, cleanup = 0x0, > canceltype = -2126001144}}} > not_first_call = <optimized out> > #7 0x000079417820dd65 in __libc_start_main_impl (main=0x5b04b22456f0 <main>, > argc=15, argv=0x7fff8147cc08, init=<optimized out>, fini=<optimized out>, > rtld_fini=<optimized out>, stack_end=0x7fff8147cbf8) at > ../csu/libc-start.c:360 > No locals. > #8 0x00005b04b2245761 in _start () > No symbol table info available. > --- END --- I cannot reproduce this issue right now. Are you by chance while having the packages already updates running yet with the 6.18~rc6-1~exp1 kernel? That one had the issue fixed with updating to 6.18~rc7, cf. https://bugs.debian.org/1121013 Regards, Salvatore
