=====================================================
BUG: KMSAN: uninit-value in __flush_smp_call_function_queue+0x362/0x18e0 kernel/smp.c:535
 __flush_smp_call_function_queue+0x362/0x18e0 kernel/smp.c:535
 generic_smp_call_function_single_interrupt+0x1c/0x30 kernel/smp.c:463
 __sysvec_call_function_single+0x4b/0x3e0 arch/x86/kernel/smp.c:271
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
 sysvec_call_function_single+0x7c/0x90 arch/x86/kernel/smp.c:266
 asm_sysvec_call_function_single+0x1f/0x30 arch/x86/include/asm/idtentry.h:704
 kmsan_get_metadata+0x12e/0x160 mm/kmsan/shadow.c:148
 kmsan_get_shadow_origin_ptr+0x4a/0xb0 mm/kmsan/shadow.c:102
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:38 [inline]
 __msan_metadata_ptr_for_load_1+0x24/0x40 mm/kmsan/instrumentation.c:91
 strlen+0x3a/0x80 lib/string.c:420
 __fortify_strlen include/linux/fortify-string.h:266 [inline]
 find_entry+0x138/0x410 fs/proc/proc_sysctl.c:133
 find_subdir fs/proc/proc_sysctl.c:950 [inline]
 xlate_dir+0x19c/0x330 fs/proc/proc_sysctl.c:1055
 xlate_dir+0x68/0x330 fs/proc/proc_sysctl.c:1051
 xlate_dir+0x68/0x330 fs/proc/proc_sysctl.c:1051
 insert_links fs/proc/proc_sysctl.c:1267 [inline]
 insert_header+0x21d/0x1eb0 fs/proc/proc_sysctl.c:248
 get_subdir fs/proc/proc_sysctl.c:1024 [inline]
 sysctl_mkdir_p fs/proc/proc_sysctl.c:1320 [inline]
 __register_sysctl_table+0x2176/0x2bb0 fs/proc/proc_sysctl.c:1395
 register_net_sysctl_sz+0x3ec/0x400 net/sysctl_net.c:171
 __devinet_sysctl_register+0x4f9/0x6a0 net/ipv4/devinet.c:2677
 devinet_sysctl_register+0x2e4/0x420 net/ipv4/devinet.c:2717
 inetdev_init+0x532/0x8f0 net/ipv4/devinet.c:291
 inetdev_event+0x128d/0x24b0 net/ipv4/devinet.c:1590
 notifier_call_chain kernel/notifier.c:85 [inline]
 raw_notifier_call_chain+0x106/0x480 kernel/notifier.c:453
 call_netdevice_notifiers_info net/core/dev.c:2249 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
 call_netdevice_notifiers+0x191/0x260 net/core/dev.c:2301
 register_netdevice+0x24c8/0x28a0 net/core/dev.c:11479
 geneve_configure+0xa3b/0xf20 drivers/net/geneve.c:1884
 geneve_newlink+0x200/0x2e0 drivers/net/geneve.c:2160
 rtnl_newlink_create+0x41c/0x1250 net/core/rtnetlink.c:3862
 __rtnl_newlink net/core/rtnetlink.c:3979 [inline]
 rtnl_newlink+0x2b3c/0x39a0 net/core/rtnetlink.c:4094
 rtnetlink_rcv_msg+0x106f/0x14b0 net/core/rtnetlink.c:6980
 netlink_rcv_skb+0x54d/0x680 net/netlink/af_netlink.c:2550
 rtnetlink_rcv+0x35/0x40 net/core/rtnetlink.c:7007
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0xf04/0x12b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x10b2/0x1250 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 __sys_sendto+0xa08/0xae0 net/socket.c:2206
 __do_sys_sendto net/socket.c:2213 [inline]
 __se_sys_sendto net/socket.c:2209 [inline]
 __x64_sys_sendto+0x130/0x200 net/socket.c:2209
 x64_sys_call+0x39a0/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:45
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x134/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable reuse.i created at:
 mas_wr_node_store lib/maple_tree.c:3495 [inline]
 mas_wr_store_entry+0x14bd/0x96d0 lib/maple_tree.c:3764
 mas_store_prealloc+0x1834/0x1e60 lib/maple_tree.c:5169

CPU: 1 UID: 0 PID: 13260 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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