PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [mem 0xc0000000-0xfffbbfff] available for PCI devices Booting paravirtualized kernel on KVM clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 percpu: Embedded 54 pages/cpu s184136 r8192 d28856 u1048576 kvm-guest: PV spinlocks enabled PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) Built 2 zonelists, mobility grouping on. Total pages: 1935237 Policy zone: Normal Kernel command line: BOOT_IMAGE=/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 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor,bpf ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 mem auto-init: stack:off, heap alloc:on, heap free:off Memory: 7528780K/7863916K available (83973K kernel code, 5642K rwdata, 22364K rodata, 2136K init, 11672K bss, 334880K reserved, 0K cma-reserved) rcu: Preemptible hierarchical RCU implementation. rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. rcu: RCU debug extended QS entry/exit. All grace periods are expedited (rcu_expedited). Trampoline variant of Tasks RCU enabled. rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 random: get_random_bytes called from boot_init_stack_canary arch/x86/include/asm/stackprotector.h:80 [inline] with crng_init=0 random: get_random_bytes called from start_kernel+0x2cc/0x6d0 init/main.c:957 with crng_init=0 Console: colour VGA+ 80x25 printk: console [ttyS0] enabled printk: console [ttyS0] enabled printk: bootconsole [earlyser0] disabled printk: bootconsole [earlyser0] disabled mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl ACPI: Core revision 20200717 APIC: Switch to symmetric I/O mode setup x2apic enabled Switched APIC routing to physical x2apic. ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) pid_max: default: 32768 minimum: 301 LSM: Security Framework initializing LSM: security= is ignored because it is superseded by lsm= Yama: becoming mindful. TOMOYO Linux initialized AppArmor: AppArmor initialized LSM support for eBPF active Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at mm/memcontrol.c:5226 memalloc_use_memcg include/linux/sched/mm.h:319 [inline] WARNING: CPU: 0 PID: 0 at mm/memcontrol.c:5226 mem_cgroup_css_alloc+0xc4a/0xc90 mm/memcontrol.c:5283 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.8.0-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+0x10f/0x19d lib/dump_stack.c:118 panic+0x207/0x64a kernel/panic.c:231 __warn+0x209/0x240 kernel/panic.c:600 report_bug+0x2b4/0x350 lib/bug.c:198 handle_bug+0x4d/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x18/0xd0 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:mem_cgroup_alloc include/linux/sched/mm.h:319 [inline] RIP: 0010:mem_cgroup_css_alloc+0xc4a/0xc90 mm/memcontrol.c:5284 Code: e8 9b 81 59 fb 44 89 a3 08 0a 00 00 4c 89 ff e8 8c 81 59 fb c7 83 0c 0a 00 00 02 00 00 00 e9 a5 fd ff ff 0f 0b e9 ed f3 ff ff <0f> 0b e9 72 f4 ff ff 0f 1f 44 00 00 48 c7 c7 60 5c f6 87 e8 ee 82 RSP: 0000:ffffffff87a03e20 EFLAGS: 00010246 RAX: ffffffff87a320d8 RBX: 0000000000000001 RCX: 00000000000005a8 RDX: 0000ffff87a32150 RSI: fffffffffffffffd RDI: ffffffff87a32150 RBP: ffff88812b78c0f0 R08: 0000000000000000 R09: 0000ffff87a32157 R10: 0000ffffffffffff R11: ffffffff87a316c0 R12: ffffffff87a32150 R13: 0000000000000000 R14: ffff88812b78c000 R15: 0000000000000020 cgroup_init_subsys+0xf0/0x3dd kernel/cgroup/cgroup.c:5587 cgroup_init+0x57e/0x83c kernel/cgroup/cgroup.c:5713 start_kernel+0x5e0/0x6d0 init/main.c:1035 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 Rebooting in 86400 seconds..