inet_csk_listen_start+0x172/0x380 net/ipv4/inet_connection_sock.c:1205
 inet_listen+0x538/0x990 net/ipv4/af_inet.c:228
 __sys_listen+0x312/0x4e0 net/socket.c:1810
 __do_sys_listen net/socket.c:1819 [inline]
 __se_sys_listen net/socket.c:1817 [inline]
 __x64_sys_listen+0x67/0xb0 net/socket.c:1817
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f66cba8b5f9
=====================================================
BUG: KMSAN: uninit-value in show_opcodes+0x2c1/0x2e0 arch/x86/kernel/dumpstack.c:123
 show_opcodes+0x2c1/0x2e0 arch/x86/kernel/dumpstack.c:123
 show_ip arch/x86/kernel/dumpstack.c:144 [inline]
 show_iret_regs+0xe3/0x230 arch/x86/kernel/dumpstack.c:149
 __show_regs+0x31/0xc90 arch/x86/kernel/process_64.c:74
 show_regs_if_on_stack+0x45e/0x530 arch/x86/kernel/dumpstack.c:167
 show_trace_log_lvl+0x392/0x490 arch/x86/kernel/dumpstack.c:298
 show_regs+0xad/0xd0 arch/x86/kernel/dumpstack.c:475
 __warn+0x242/0x580 kernel/panic.c:618
 report_bug+0x7ff/0xa10 lib/bug.c:198
 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:317
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:338
 asm_exc_invalid_op+0x1b/0x20 arch/x86/include/asm/idtentry.h:568
 inet_csk_get_port+0x2bed/0x3380
 inet_csk_listen_start+0x172/0x380 net/ipv4/inet_connection_sock.c:1205
 inet_listen+0x538/0x990 net/ipv4/af_inet.c:228
 __sys_listen+0x312/0x4e0 net/socket.c:1810
 __do_sys_listen net/socket.c:1819 [inline]
 __se_sys_listen net/socket.c:1817 [inline]
 __x64_sys_listen+0x67/0xb0 net/socket.c:1817
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Local variable opcodes created at:
 show_opcodes+0x49/0x2e0 arch/x86/kernel/dumpstack.c:118
 show_ip arch/x86/kernel/dumpstack.c:144 [inline]
 show_iret_regs+0xe3/0x230 arch/x86/kernel/dumpstack.c:149

CPU: 1 PID: 7801 Comm: syz-executor.5 Not tainted 6.1.0-rc2-syzkaller-61955-g4a3e741a3d6a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
=====================================================