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tools/create-gce-image.sh: fix sysctl.kernel.hung_task_all_cpu_backtrace=1

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Turns out this is not a sysctl, even though it's prefixed with sysctl:
https://groups.google.com/d/msg/syzkaller/EJP7uvY4O-c/XLrhrBqGAQAJ
This commit is contained in:
Dmitry Vyukov 2020-03-31 13:09:47 +02:00
parent 46105100bf
commit 22968402ee
1 changed files with 1 additions and 2 deletions
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3
tools/create-gce-image.sh
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@ -148,7 +148,6 @@ done
# sysctls
echo "kernel.printk = 7 4 1 3" | sudo tee -a disk.mnt/etc/sysctl.conf
echo "debug.exception-trace = 0" | sudo tee -a disk.mnt/etc/sysctl.conf
echo "sysctl.kernel.hung_task_all_cpu_backtrace = 1" | sudo tee -a disk.mnt/etc/sysctl.conf
SYZ_SYSCTL_FILE="${SYZ_SYSCTL_FILE:-}"
if [ "$SYZ_SYSCTL_FILE" != "" ]; then
cat $SYZ_SYSCTL_FILE | sudo tee -a disk.mnt/etc/sysctl.conf
@ -191,7 +190,7 @@ menuentry 'linux' --class gnu-linux --class gnu --class os {
insmod part_msdos
insmod ext2
set root='(hd0,1)'
linux /vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 $CMDLINE
linux /vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 $CMDLINE
}
EOF
sudo grub-install --target=i386-pc --boot-directory=disk.mnt/boot --no-floppy $DISKDEV