8021q: adding VLAN 0 to HW filter on device batadv0 8021q: adding VLAN 0 to HW filter on device batadv0 kasan: CONFIG_KASAN_INLINE enabled kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: printk+0xde/0xed kernel/printk/printk.c:1995 CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0+ #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 panic+0x2cb/0x589 kernel/panic.c:189 put_dec+0x3b/0xd0 lib/vsprintf.c:259 number+0x956/0xc80 lib/vsprintf.c:531 ================================================================== BUG: KASAN: use-after-scope in __read_once_size include/linux/compiler.h:191 [inline] BUG: KASAN: use-after-scope in update_stack_state+0x62d/0x680 arch/x86/kernel/unwind_frame.c:270 Read of size 8 at addr ffff8880a94651c8 by task ksoftirqd/0/9 CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0+ #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:135 __read_once_size include/linux/compiler.h:191 [inline] update_stack_state+0x62d/0x680 arch/x86/kernel/unwind_frame.c:270 unwind_next_frame.part.0+0x1ae/0xa90 arch/x86/kernel/unwind_frame.c:329 unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:287 show_trace_log_lvl+0x1f6/0x28c arch/x86/kernel/dumpstack.c:269 show_stack+0x39/0x3b arch/x86/kernel/dumpstack.c:293 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 panic+0x2cb/0x589 kernel/panic.c:189 put_dec+0x3b/0xd0 lib/vsprintf.c:259 number+0x956/0xc80 lib/vsprintf.c:531 vsnprintf+0x368/0x1b10 lib/vsprintf.c:2469 ? check_preemption_disa Lost 83 message(s)! Kernel Offset: disabled