On Sat, Feb 22, 2025 at 10:02 PM syzbot <syzbot+06fd1a3613c50d36129e@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following issue on: > > HEAD commit: d4b0fd87ff0d Add linux-next specific files for 20250221 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=17a5bae4580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=76d7299d72819017 > dashboard link: https://syzkaller.appspot.com/bug?extid=06fd1a3613c50d36129e > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+06fd1a3613c50d36129e@xxxxxxxxxxxxxxxxxxxxxxxxx > > <stdin>:4:15: error: use of undeclared identifier '__ref_stack_chk_guard' Manual bisection pointed to the commits from this patch series: [PATCH v5 00/16] x86-64: Stack protector and percpu improvements https://lore.kernel.org/lkml/20241105155801.1779119-1-brgerst@xxxxxxxxx/ Brian, could you please take a look at this syzbot report? The latest build log (for next-20250318) is here: https://syzkaller.appspot.com/text?tag=CrashLog&x=10a745e4580000 It failed with the following error: <stdin>:4:15: error: use of undeclared identifier '__ref_stack_chk_guard' EXPORT_SYMBOL(__ref_stack_chk_guard); ^ 1 error generated. make[4]: *** [scripts/Makefile.build:335: arch/x86/entry/entry.o] Error 1 make[4]: *** Deleting file 'arch/x86/entry/entry.o' make[4]: *** Waiting for unfinished jobs.... -- Aleksandr > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > > If the report is already addressed, let syzbot know by replying with: > #syz fix: exact-commit-title > > If you want to overwrite report's subsystems, reply with: > #syz set subsystems: new-subsystem > (See the list of subsystem names on the web dashboard) > > If the report is a duplicate of another one, reply with: > #syz dup: exact-subject-of-another-report > > If you want to undo deduplication, reply with: > #syz undup > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion visit https://groups.google.com/d/msgid/syzkaller-bugs/67bab9f0.050a0220.bbfd1.000e.GAE%40google.com.
