Wang Hai
fa6882c636
tipc: fix memory leak in tipc_topsrv_start() ...
kmemleak report a memory leak as follows:
unreferenced object 0xffff88810a596800 (size 512):
comm "ip", pid 21558, jiffies 4297568990 (age 112.120s)
hex dump (first 32 bytes):
00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........
ff ff ff ff ff ff ff ff 00 83 60 b0 ff ff ff ff ..........`.....
backtrace:
[<0000000022bbe21f>] tipc_topsrv_init_net+0x1f3/0xa70
[<00000000fe15ddf7>] ops_init+0xa8/0x3c0
[<00000000138af6f2>] setup_net+0x2de/0x7e0
[<000000008c6807a3>] copy_net_ns+0x27d/0x530
[<000000006b21adbd>] create_new_namespaces+0x382/0xa30
[<00000000bb169746>] unshare_nsproxy_namespaces+0xa1/0x1d0
[<00000000fe2e42bc>] ksys_unshare+0x39c/0x780
[<0000000009ba3b19>] __x64_sys_unshare+0x2d/0x40
[<00000000614ad866>] do_syscall_64+0x56/0xa0
[<00000000a1b5ca3c>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
'srv' is malloced in tipc_topsrv_start() but not free before
leaving from the error handling cases. We need to free it.
Fixes: 5c45ab24ac77 ("tipc: make struct tipc_server private for server.c")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Link: https://lore.kernel.org/r/20201109140913.47370-1-wanghai38@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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fa6882c636