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BUG: KMSAN: uninit-value in __flush_smp_call_function_queue+0x343/0x1810 kernel/smp.c:549
 __flush_smp_call_function_queue+0x343/0x1810 kernel/smp.c:549
 generic_smp_call_function_single_interrupt+0x1c/0x30 kernel/smp.c:477
 __sysvec_call_function_single+0x48/0x350 arch/x86/kernel/smp.c:272
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:267 [inline]
 sysvec_call_function_single+0x7c/0x90 arch/x86/kernel/smp.c:267
 asm_sysvec_call_function_single+0x1f/0x30 arch/x86/include/asm/idtentry.h:704
 smap_save arch/x86/include/asm/smap.h:85 [inline]
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:35 [inline]
 __msan_metadata_ptr_for_load_4+0x18/0x40 mm/kmsan/instrumentation.c:93
 stack_trace_consume_entry+0x182/0x220 kernel/stacktrace.c:94
 arch_stack_walk+0x18e/0x280 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0xc2/0x100 kernel/stacktrace.c:122
 kmsan_save_stack_with_flags mm/kmsan/core.c:73 [inline]
 kmsan_internal_chain_origin+0x5d/0xd0 mm/kmsan/core.c:179
 kmsan_internal_memmove_metadata+0x181/0x230 mm/kmsan/core.c:135
 __msan_memcpy+0x105/0x1c0 mm/kmsan/instrumentation.c:200
 pskb_expand_head+0x594/0x1a40 net/core/skbuff.c:2313
 netlink_trim+0x3a3/0x450 net/netlink/af_netlink.c:1299
 netlink_broadcast_filtered+0x80/0x28a0 net/netlink/af_netlink.c:1512
 nlmsg_multicast_filtered include/net/netlink.h:1165 [inline]
 nlmsg_multicast include/net/netlink.h:1184 [inline]
 nlmsg_notify+0x15b/0x2f0 net/netlink/af_netlink.c:2593
 rtnl_notify net/core/rtnetlink.c:964 [inline]
 rtmsg_ifinfo_send net/core/rtnetlink.c:4474 [inline]
 rtmsg_ifinfo_event net/core/rtnetlink.c:4490 [inline]
 rtmsg_ifinfo+0x1aa/0x250 net/core/rtnetlink.c:4496
 netif_open+0xf9/0x370 net/core/dev.c:1729
 dev_open+0x185/0x320 net/core/dev_api.c:202
 team_port_add drivers/net/team/team_core.c:1281 [inline]
 team_add_slave+0xeda/0x3f70 drivers/net/team/team_core.c:2092
 do_set_master+0x8c8/0xad0 net/core/rtnetlink.c:2986
 do_setlink+0x17c2/0x7990 net/core/rtnetlink.c:3188
 rtnl_changelink net/core/rtnetlink.c:3800 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3973 [inline]
 rtnl_newlink+0x3148/0x3cc0 net/core/rtnetlink.c:4110
 rtnetlink_rcv_msg+0x106f/0x14b0 net/core/rtnetlink.c:6997
 netlink_rcv_skb+0x54d/0x680 net/netlink/af_netlink.c:2550
 rtnetlink_rcv+0x35/0x40 net/core/rtnetlink.c:7024
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0xee2/0x1290 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x10b2/0x1250 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:787 [inline]
 __sock_sendmsg net/socket.c:802 [inline]
 __sys_sendto+0xa08/0xae0 net/socket.c:2265
 __do_sys_sendto net/socket.c:2272 [inline]
 __se_sys_sendto net/socket.c:2268 [inline]
 __x64_sys_sendto+0x130/0x200 net/socket.c:2268
 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+0x134/0x390 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable warn created at:
 __dquot_alloc_space+0x4d/0x1cd0 fs/quota/dquot.c:1709
 dquot_alloc_space_nodirty include/linux/quotaops.h:292 [inline]
 dquot_alloc_block_nodirty include/linux/quotaops.h:319 [inline]
 shmem_inode_acct_blocks+0x376/0x5d0 mm/shmem.c:242

CPU: 1 UID: 0 PID: 6357 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
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