http://bugzilla.opensuse.org/show_bug.cgi?id=1167632 Bug ID: 1167632 Summary: GCC 10: kernel-default and other flavors are miscompiled Classification: openSUSE Product: openSUSE Tumbleweed Version: Current Hardware: Other OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: martin.liska@suse.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- The root cause is -fstack-protector which results in: [ 6s] ### VM INTERACTION START ### [ 6s] /usr/bin/qemu-kvm -nodefaults -no-reboot -nographic -vga none -cpu host -object rng-random,filename=/dev/random,id=rng0 -device virtio-rng-pci,rng=rng0 -runas qemu -net none -kernel /var/cache/obs/worker/root_7/.mount/boot/kernel -initrd /var/cache/obs/worker/root_7/.mount/boot/initrd -append root=/dev/disk/by-id/virtio-0 rootfstype=ext4 rootflags=noatime ext4.allow_unsupported=1 kpti=off pti=off spectre_v2=off panic=1 quiet no-kvmclock elevator=noop nmi_watchdog=0 rw rd.driver.pre=binfmt_misc console=ttyS0 init=/.build/build -m 8192 -drive file=/var/cache/obs/worker/root_7/root,format=raw,if=none,id=disk,cache=unsafe -device virtio-blk-pci,drive=disk,serial=0 -drive file=/var/cache/obs/worker/root_7/swap,format=raw,if=none,id=swap,cache=unsafe -device virtio-blk-pci,drive=swap,serial=1 -serial stdio -chardev socket,id=monitor,server,nowait,path=/var/cache/obs/worker/root_7/root.qemu/monitor -mon chardev=monitor,mode=readline -smp 8 [ 7s] c[?7l[2J[0mSeaBIOS (version rel-1.12.0-0-ga698c89-rebuilt.opensuse.org) [ 8s] Booting from ROM..c[?7l[2J[ 0.002473] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: start_secondary+0x12b/0x130 [ 8s] [ 0.002473] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.11-5-default #1 openSUSE Tumbleweed (unreleased) [ 8s] [ 0.002473] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-0-ga698c89-rebuilt.opensuse.org 04/01/2014 [ 8s] [ 0.002473] Call Trace: [ 8s] [ 0.002473] dump_stack+0x8b/0xc8 [ 8s] [ 0.002473] panic+0x106/0x2ed [ 8s] [ 0.002473] ? start_secondary+0x12b/0x130 [ 8s] [ 0.002473] __stack_chk_fail+0x15/0x20 [ 8s] [ 0.002473] start_secondary+0x12b/0x130 [ 8s] [ 0.002473] secondary_startup_64+0xb6/0xc0 [ 8s] [ 0.002473] Rebooting in 1 seconds.. Can be seen for example here: https://build.opensuse.org/package/live_build_log/openSUSE:Factory:Staging:G... Apparently it's a known issue and some basic analysis can be seen here: https://bugzilla.redhat.com/show_bug.cgi?id=1796780 -- You are receiving this mail because: You are on the CC list for the bug.