===================================================== BUG: KMSAN: uninit-value in vmacache_find+0x928/0xa10 mm/vmacache.c:79 vmacache_find+0x928/0xa10 mm/vmacache.c:79 find_vma+0x7b/0x380 mm/mmap.c:2276 do_user_addr_fault+0xc27/0x1f20 arch/x86/mm/fault.c:1379 handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x61/0x140 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x1e/0x30 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_run2+0x129/0x380 kernel/trace/bpf_trace.c:2059 CPU: 1 PID: 9819 Comm: syz-executor.0 Not tainted 5.18.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ===================================================== Kernel panic - not syncing: kmsan.panic set ... CPU: 1 PID: 9819 Comm: syz-executor.0 Tainted: G B 5.18.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1ff/0x28e lib/dump_stack.c:106 dump_stack+0x25/0x28 lib/dump_stack.c:113 panic+0x4fe/0xc73 kernel/panic.c:250 kmsan_report+0x2cd/0x2d0 mm/kmsan/report.c:208 __msan_warning+0x94/0x110 mm/kmsan/instrumentation.c:256 vmacache_find+0x928/0xa10 mm/vmacache.c:79 find_vma+0x7b/0x380 mm/mmap.c:2276 do_user_addr_fault+0xc27/0x1f20 arch/x86/mm/fault.c:1379 handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x61/0x140 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x1e/0x30 RIP: 0023:0xf6e62520 Code: Unable to access opcode bytes at RIP 0xf6e624f6. RSP: 002b:00000000f7fe95ec EFLAGS: 00010206 RAX: fffffffffffffff7 RBX: 00000000f6f36000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..