===================================================== BUG: KMSAN: uninit-value in irqtime_account_irq+0x387/0x520 kernel/sched/cputime.c:70 irqtime_account_irq+0x387/0x520 kernel/sched/cputime.c:70 account_softirq_exit include/linux/vtime.h:147 [inline] __do_softirq+0x707/0x7c5 kernel/softirq.c:585 invoke_softirq+0xa4/0x130 kernel/softirq.c:432 __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0x76/0x130 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0xa2/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 smap_restore arch/x86/include/asm/smap.h:67 [inline] get_shadow_origin_ptr mm/kmsan/instrumentation.c:36 [inline] __msan_metadata_ptr_for_load_8+0x28/0x30 mm/kmsan/instrumentation.c:77 update_stack_state+0x809/0xa60 arch/x86/kernel/unwind_frame.c:242 unwind_next_frame+0x6d0/0xe50 arch/x86/kernel/unwind_frame.c:304 arch_stack_walk+0x320/0x3c0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x117/0x1a0 kernel/stacktrace.c:122 kmsan_save_stack_with_flags mm/kmsan/core.c:80 [inline] kmsan_internal_poison_memory+0x45/0x90 mm/kmsan/core.c:65 kmsan_slab_alloc+0xdb/0x150 mm/kmsan/hooks.c:69 slab_post_alloc_hook mm/slab.h:754 [inline] slab_alloc_node mm/slub.c:3231 [inline] kmem_cache_alloc_node+0x9ca/0x12c0 mm/slub.c:3281 alloc_vmap_area+0x31d/0x43f0 mm/vmalloc.c:1576 __get_vm_area_node+0x478/0x800 mm/vmalloc.c:2471 __vmalloc_node_range+0x94a/0x2e00 mm/vmalloc.c:3143 __vmalloc_node mm/vmalloc.c:3248 [inline] vmalloc+0xe0/0xf0 mm/vmalloc.c:3281 xt_compat_init_offsets+0x26c/0x3f0 net/netfilter/x_tables.c:733 ebt_compat_init_offsets net/bridge/netfilter/ebtables.c:1832 [inline] compat_table_info+0x16a/0x14e0 net/bridge/netfilter/ebtables.c:1843 compat_do_ebt_get_ctl net/bridge/netfilter/ebtables.c:2396 [inline] do_ebt_get_ctl+0xcd7/0x3d90 net/bridge/netfilter/ebtables.c:2459 nf_getsockopt+0x577/0x5d0 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x252a/0x29e0 net/ipv4/ip_sockglue.c:1786 tcp_getsockopt+0x1de/0x220 net/ipv4/tcp.c:4295 sock_common_getsockopt+0x13a/0x170 net/core/sock.c:3478 __sys_getsockopt+0x60b/0xb10 net/socket.c:2224 __do_compat_sys_socketcall net/compat.c:495 [inline] __se_compat_sys_socketcall net/compat.c:424 [inline] __ia32_compat_sys_socketcall+0xcf4/0x1560 net/compat.c:424 do_syscall_32_irqs_on arch/x86/entry/common.c:113 [inline] __do_fast_syscall_32+0x96/0xf0 arch/x86/entry/common.c:179 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:204 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:247 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Local variable regs created at: __bpf_prog_run32+0x84/0x180 kernel/bpf/core.c:2073 bpf_dispatcher_nop_func include/linux/bpf.h:804 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2022 [inline] bpf_trace_run1+0xda/0x310 kernel/trace/bpf_trace.c:2058 CPU: 1 PID: 3500 Comm: syz-executor.4 Not tainted 5.18.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================