===================================================== BUG: KMSAN: uninit-value in ax25_connect+0x12aa/0x21f0 net/ax25/af_ax25.c:1205 CPU: 0 PID: 12983 Comm: syz-executor.5 Not tainted 5.8.0-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+0x21c/0x280 lib/dump_stack.c:118 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215 ax25_connect+0x12aa/0x21f0 net/ax25/af_ax25.c:1205 __sys_connect_file net/socket.c:1854 [inline] __sys_connect+0x7a3/0x8a0 net/socket.c:1871 __do_sys_connect net/socket.c:1882 [inline] __se_sys_connect+0x8d/0xb0 net/socket.c:1879 __ia32_sys_connect+0x4a/0x70 net/socket.c:1879 do_syscall_32_irqs_on arch/x86/entry/common.c:430 [inline] __do_fast_syscall_32+0x2af/0x480 arch/x86/entry/common.c:477 do_fast_syscall_32+0x6b/0xd0 arch/x86/entry/common.c:505 do_SYSENTER_32+0x73/0x90 arch/x86/entry/common.c:554 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7fb2549 Code: Bad RIP value. RSP: 002b:00000000f558b0cc EFLAGS: 00000296 ORIG_RAX: 000000000000016a RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000180 RDX: 000000000000003e RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Local variable ----address@__sys_connect created at: __sys_connect+0x118/0x8a0 net/socket.c:1867 __sys_connect+0x118/0x8a0 net/socket.c:1867 =====================================================