ops_init+0x31a/0x6e0 net/core/net_namespace.c:134
 setup_net+0x4fb/0x1320 net/core/net_namespace.c:325
 copy_net_ns+0x51e/0xa80 net/core/net_namespace.c:471
 create_new_namespaces+0x717/0xdb0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x176/0x2a0 kernel/nsproxy.c:226
 ksys_unshare+0x851/0x1210 kernel/fork.c:3188
 __do_sys_unshare kernel/fork.c:3259 [inline]
 __se_sys_unshare kernel/fork.c:3257 [inline]
 __x64_sys_unshare+0x44/0x70 kernel/fork.c:3257
 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: 0033:0x7f21da48b5f9
=====================================================
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_stack+0x55/0x60 arch/x86/kernel/dumpstack.c:318
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1c8/0x256 lib/dump_stack.c:106
 dump_stack+0x1a/0x23 lib/dump_stack.c:113
 __register_sysctl_table+0x2855/0x2880 fs/proc/proc_sysctl.c:1385
 register_net_sysctl+0x411/0x420 net/sysctl_net.c:169
 netfilter_log_sysctl_init net/netfilter/nf_log.c:490 [inline]
 nf_log_net_init+0x548/0x7b0 net/netfilter/nf_log.c:539
 ops_init+0x31a/0x6e0 net/core/net_namespace.c:134
 setup_net+0x4fb/0x1320 net/core/net_namespace.c:325
 copy_net_ns+0x51e/0xa80 net/core/net_namespace.c:471
 create_new_namespaces+0x717/0xdb0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x176/0x2a0 kernel/nsproxy.c:226
 ksys_unshare+0x851/0x1210 kernel/fork.c:3188
 __do_sys_unshare kernel/fork.c:3259 [inline]
 __se_sys_unshare kernel/fork.c:3257 [inline]
 __x64_sys_unshare+0x44/0x70 kernel/fork.c:3257
 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: 0 PID: 31871 Comm: syz-executor.0 Not tainted 6.1.0-rc2-syzkaller-61955-g4a3e741a3d6a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
=====================================================