================================================================== BUG: KASAN: user-memory-access in atomic_read include/asm-generic/atomic-instrumented.h:26 [inline] BUG: KASAN: user-memory-access in __kvmclock_cpufreq_notifier arch/x86/kvm/x86.c:7133 [inline] BUG: KASAN: user-memory-access in kvmclock_cpufreq_notifier+0x1e9/0x580 arch/x86/kvm/x86.c:7172 Read of size 4 at addr 00000000896bb8f0 by task syz-executor372/10372 CPU: 0 PID: 10372 Comm: syz-executor372 Not tainted 5.6.0-rc5-syzkaller #0 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+0x188/0x20d lib/dump_stack.c:118 __kasan_report.cold+0x5/0x32 mm/kasan/report.c:510 kasan_report+0xe/0x20 mm/kasan/common.c:641 check_memory_region_inline mm/kasan/generic.c:185 [inline] check_memory_region+0x128/0x190 mm/kasan/generic.c:192 atomic_read include/asm-generic/atomic-instrumented.h:26 [inline] __kvmclock_cpufreq_notifier arch/x86/kvm/x86.c:7133 [inline] kvmclock_cpufreq_notifier+0x1e9/0x580 arch/x86/kvm/x86.c:7172 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 10372 Comm: syz-executor372 Tainted: G B 5.6.0-rc5-syzkaller #0 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+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 end_report+0x43/0x49 mm/kasan/report.c:96 __kasan_report.cold+0xd/0x32 mm/kasan/report.c:513 kasan_report+0xe/0x20 mm/kasan/common.c:641 check_memory_region_inline mm/kasan/generic.c:185 [inline] check_memory_region+0x128/0x190 mm/kasan/generic.c:192 atomic_read include/asm-generic/atomic-instrumented.h:26 [inline] __kvmclock_cpufreq_notifier arch/x86/kvm/x86.c:7133 [inline] kvmclock_cpufreq_notifier+0x1e9/0x580 arch/x86/kvm/x86.c:7172 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..