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Jinjie Ruandavem330
Jinjie Ruan
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davem330
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net/handshake: Fix memory leak in __sock_create() and sock_alloc_file()
When making CONFIG_DEBUG_KMEMLEAK=y and CONFIG_DEBUG_KMEMLEAK_AUTO_SCAN=y, modprobe handshake-test and then rmmmod handshake-test, the below memory leak is detected. The struct socket_alloc which is allocated by alloc_inode_sb() in __sock_create() is not freed. And the struct dentry which is allocated by __d_alloc() in sock_alloc_file() is not freed. Since fput() will call file->f_op->release() which is sock_close() here and it will call __sock_release(). and fput() will call dput(dentry) to free the struct dentry. So replace sock_release() with fput() to fix the below memory leak. After applying this patch, the following memory leak is never detected. unreferenced object 0xffff888109165840 (size 768): comm "kunit_try_catch", pid 1852, jiffies 4294685807 (age 976.262s) hex dump (first 32 bytes): 01 00 00 00 01 00 5a 5a 20 00 00 00 00 00 00 00 ......ZZ ....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff8397993f>] sock_alloc_inode+0x1f/0x1b0 [<ffffffff81a2cb5b>] alloc_inode+0x5b/0x1a0 [<ffffffff81a32bed>] new_inode_pseudo+0xd/0x70 [<ffffffff8397889c>] sock_alloc+0x3c/0x260 [<ffffffff83979b46>] __sock_create+0x66/0x3d0 [<ffffffffa0209ba2>] 0xffffffffa0209ba2 [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810f472008 (size 192): comm "kunit_try_catch", pid 1852, jiffies 4294685808 (age 976.261s) hex dump (first 32 bytes): 00 00 50 40 02 00 00 00 00 00 00 00 00 00 00 00 ..P@............ 00 00 00 00 00 00 00 00 08 20 47 0f 81 88 ff ff ......... G..... backtrace: [<ffffffff81a1ff11>] __d_alloc+0x31/0x8a0 [<ffffffff81a2910e>] d_alloc_pseudo+0xe/0x50 [<ffffffff819d549e>] alloc_file_pseudo+0xce/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa0209bbb>] 0xffffffffa0209bbb [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810958e580 (size 224): comm "kunit_try_catch", pid 1852, jiffies 4294685808 (age 976.261s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 03 00 2e 08 01 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff819d4b90>] alloc_empty_file+0x50/0x160 [<ffffffff819d4cf9>] alloc_file+0x59/0x730 [<ffffffff819d5524>] alloc_file_pseudo+0x154/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa0209bbb>] 0xffffffffa0209bbb [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810926dc88 (size 192): comm "kunit_try_catch", pid 1854, jiffies 4294685809 (age 976.271s) hex dump (first 32 bytes): 00 00 50 40 02 00 00 00 00 00 00 00 00 00 00 00 ..P@............ 00 00 00 00 00 00 00 00 88 dc 26 09 81 88 ff ff ..........&..... backtrace: [<ffffffff81a1ff11>] __d_alloc+0x31/0x8a0 [<ffffffff81a2910e>] d_alloc_pseudo+0xe/0x50 [<ffffffff819d549e>] alloc_file_pseudo+0xce/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa0208fdc>] 0xffffffffa0208fdc [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810a241380 (size 224): comm "kunit_try_catch", pid 1854, jiffies 4294685809 (age 976.271s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 03 00 2e 08 01 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff819d4b90>] alloc_empty_file+0x50/0x160 [<ffffffff819d4cf9>] alloc_file+0x59/0x730 [<ffffffff819d5524>] alloc_file_pseudo+0x154/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa0208fdc>] 0xffffffffa0208fdc [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff888109165040 (size 768): comm "kunit_try_catch", pid 1856, jiffies 4294685811 (age 976.269s) hex dump (first 32 bytes): 01 00 00 00 01 00 5a 5a 20 00 00 00 00 00 00 00 ......ZZ ....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff8397993f>] sock_alloc_inode+0x1f/0x1b0 [<ffffffff81a2cb5b>] alloc_inode+0x5b/0x1a0 [<ffffffff81a32bed>] new_inode_pseudo+0xd/0x70 [<ffffffff8397889c>] sock_alloc+0x3c/0x260 [<ffffffff83979b46>] __sock_create+0x66/0x3d0 [<ffffffffa0208860>] 0xffffffffa0208860 [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810926d568 (size 192): comm "kunit_try_catch", pid 1856, jiffies 4294685811 (age 976.269s) hex dump (first 32 bytes): 00 00 50 40 02 00 00 00 00 00 00 00 00 00 00 00 ..P@............ 00 00 00 00 00 00 00 00 68 d5 26 09 81 88 ff ff ........h.&..... backtrace: [<ffffffff81a1ff11>] __d_alloc+0x31/0x8a0 [<ffffffff81a2910e>] d_alloc_pseudo+0xe/0x50 [<ffffffff819d549e>] alloc_file_pseudo+0xce/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa0208879>] 0xffffffffa0208879 [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810a240580 (size 224): comm "kunit_try_catch", pid 1856, jiffies 4294685811 (age 976.347s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 03 00 2e 08 01 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff819d4b90>] alloc_empty_file+0x50/0x160 [<ffffffff819d4cf9>] alloc_file+0x59/0x730 [<ffffffff819d5524>] alloc_file_pseudo+0x154/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa0208879>] 0xffffffffa0208879 [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff888109164c40 (size 768): comm "kunit_try_catch", pid 1858, jiffies 4294685816 (age 976.342s) hex dump (first 32 bytes): 01 00 00 00 01 00 5a 5a 20 00 00 00 00 00 00 00 ......ZZ ....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff8397993f>] sock_alloc_inode+0x1f/0x1b0 [<ffffffff81a2cb5b>] alloc_inode+0x5b/0x1a0 [<ffffffff81a32bed>] new_inode_pseudo+0xd/0x70 [<ffffffff8397889c>] sock_alloc+0x3c/0x260 [<ffffffff83979b46>] __sock_create+0x66/0x3d0 [<ffffffffa0208541>] 0xffffffffa0208541 [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810926cd18 (size 192): comm "kunit_try_catch", pid 1858, jiffies 4294685816 (age 976.342s) hex dump (first 32 bytes): 00 00 50 40 02 00 00 00 00 00 00 00 00 00 00 00 ..P@............ 00 00 00 00 00 00 00 00 18 cd 26 09 81 88 ff ff ..........&..... backtrace: [<ffffffff81a1ff11>] __d_alloc+0x31/0x8a0 [<ffffffff81a2910e>] d_alloc_pseudo+0xe/0x50 [<ffffffff819d549e>] alloc_file_pseudo+0xce/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa020855a>] 0xffffffffa020855a [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810a240200 (size 224): comm "kunit_try_catch", pid 1858, jiffies 4294685816 (age 976.342s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 03 00 2e 08 01 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff819d4b90>] alloc_empty_file+0x50/0x160 [<ffffffff819d4cf9>] alloc_file+0x59/0x730 [<ffffffff819d5524>] alloc_file_pseudo+0x154/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa020855a>] 0xffffffffa020855a [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff888109164840 (size 768): comm "kunit_try_catch", pid 1860, jiffies 4294685817 (age 976.416s) hex dump (first 32 bytes): 01 00 00 00 01 00 5a 5a 20 00 00 00 00 00 00 00 ......ZZ ....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff8397993f>] sock_alloc_inode+0x1f/0x1b0 [<ffffffff81a2cb5b>] alloc_inode+0x5b/0x1a0 [<ffffffff81a32bed>] new_inode_pseudo+0xd/0x70 [<ffffffff8397889c>] sock_alloc+0x3c/0x260 [<ffffffff83979b46>] __sock_create+0x66/0x3d0 [<ffffffffa02093e2>] 0xffffffffa02093e2 [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810926cab8 (size 192): comm "kunit_try_catch", pid 1860, jiffies 4294685817 (age 976.416s) hex dump (first 32 bytes): 00 00 50 40 02 00 00 00 00 00 00 00 00 00 00 00 ..P@............ 00 00 00 00 00 00 00 00 b8 ca 26 09 81 88 ff ff ..........&..... backtrace: [<ffffffff81a1ff11>] __d_alloc+0x31/0x8a0 [<ffffffff81a2910e>] d_alloc_pseudo+0xe/0x50 [<ffffffff819d549e>] alloc_file_pseudo+0xce/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa02093fb>] 0xffffffffa02093fb [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810a240040 (size 224): comm "kunit_try_catch", pid 1860, jiffies 4294685817 (age 976.416s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 03 00 2e 08 01 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff819d4b90>] alloc_empty_file+0x50/0x160 [<ffffffff819d4cf9>] alloc_file+0x59/0x730 [<ffffffff819d5524>] alloc_file_pseudo+0x154/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa02093fb>] 0xffffffffa02093fb [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff888109166440 (size 768): comm "kunit_try_catch", pid 1862, jiffies 4294685819 (age 976.489s) hex dump (first 32 bytes): 01 00 00 00 01 00 5a 5a 20 00 00 00 00 00 00 00 ......ZZ ....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff8397993f>] sock_alloc_inode+0x1f/0x1b0 [<ffffffff81a2cb5b>] alloc_inode+0x5b/0x1a0 [<ffffffff81a32bed>] new_inode_pseudo+0xd/0x70 [<ffffffff8397889c>] sock_alloc+0x3c/0x260 [<ffffffff83979b46>] __sock_create+0x66/0x3d0 [<ffffffffa02097c1>] 0xffffffffa02097c1 [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810926c398 (size 192): comm "kunit_try_catch", pid 1862, jiffies 4294685819 (age 976.489s) hex dump (first 32 bytes): 00 00 50 40 02 00 00 00 00 00 00 00 00 00 00 00 ..P@............ 00 00 00 00 00 00 00 00 98 c3 26 09 81 88 ff ff ..........&..... backtrace: [<ffffffff81a1ff11>] __d_alloc+0x31/0x8a0 [<ffffffff81a2910e>] d_alloc_pseudo+0xe/0x50 [<ffffffff819d549e>] alloc_file_pseudo+0xce/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa02097da>] 0xffffffffa02097da [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff888107e0b8c0 (size 224): comm "kunit_try_catch", pid 1862, jiffies 4294685819 (age 976.489s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 03 00 2e 08 01 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff819d4b90>] alloc_empty_file+0x50/0x160 [<ffffffff819d4cf9>] alloc_file+0x59/0x730 [<ffffffff819d5524>] alloc_file_pseudo+0x154/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa02097da>] 0xffffffffa02097da [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff888109164440 (size 768): comm "kunit_try_catch", pid 1864, jiffies 4294685821 (age 976.487s) hex dump (first 32 bytes): 01 00 00 00 01 00 5a 5a 20 00 00 00 00 00 00 00 ......ZZ ....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff8397993f>] sock_alloc_inode+0x1f/0x1b0 [<ffffffff81a2cb5b>] alloc_inode+0x5b/0x1a0 [<ffffffff81a32bed>] new_inode_pseudo+0xd/0x70 [<ffffffff8397889c>] sock_alloc+0x3c/0x260 [<ffffffff83979b46>] __sock_create+0x66/0x3d0 [<ffffffffa020824e>] 0xffffffffa020824e [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff88810f4cf698 (size 192): comm "kunit_try_catch", pid 1864, jiffies 4294685821 (age 976.501s) hex dump (first 32 bytes): 00 00 50 40 02 00 00 00 00 00 00 00 00 00 00 00 ..P@............ 00 00 00 00 00 00 00 00 98 f6 4c 0f 81 88 ff ff ..........L..... backtrace: [<ffffffff81a1ff11>] __d_alloc+0x31/0x8a0 [<ffffffff81a2910e>] d_alloc_pseudo+0xe/0x50 [<ffffffff819d549e>] alloc_file_pseudo+0xce/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa0208267>] 0xffffffffa0208267 [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff888107e0b000 (size 224): comm "kunit_try_catch", pid 1864, jiffies 4294685821 (age 976.501s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 03 00 2e 08 01 00 00 00 00 00 00 00 ................ backtrace: [<ffffffff819d4b90>] alloc_empty_file+0x50/0x160 [<ffffffff819d4cf9>] alloc_file+0x59/0x730 [<ffffffff819d5524>] alloc_file_pseudo+0x154/0x210 [<ffffffff83978582>] sock_alloc_file+0x42/0x1b0 [<ffffffffa0208267>] 0xffffffffa0208267 [<ffffffff829cf03a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81236fc6>] kthread+0x2b6/0x380 [<ffffffff81096afd>] ret_from_fork+0x2d/0x70 [<ffffffff81003511>] ret_from_fork_asm+0x11/0x20 Fixes: 88232ec ("net/handshake: Add Kunit tests for the handshake consumer API") Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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‎net/handshake/handshake-test.c

Lines changed: 7 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -235,7 +235,7 @@ static void handshake_req_submit_test4(struct kunit *test)
235235
KUNIT_EXPECT_PTR_EQ(test, req, result);
236236

237237
handshake_req_cancel(sock->sk);
238-
sock_release(sock);
238+
fput(filp);
239239
}
240240

241241
static void handshake_req_submit_test5(struct kunit *test)
@@ -272,7 +272,7 @@ static void handshake_req_submit_test5(struct kunit *test)
272272
/* Assert */
273273
KUNIT_EXPECT_EQ(test, err, -EAGAIN);
274274

275-
sock_release(sock);
275+
fput(filp);
276276
hn->hn_pending = saved;
277277
}
278278

@@ -306,7 +306,7 @@ static void handshake_req_submit_test6(struct kunit *test)
306306
KUNIT_EXPECT_EQ(test, err, -EBUSY);
307307

308308
handshake_req_cancel(sock->sk);
309-
sock_release(sock);
309+
fput(filp);
310310
}
311311

312312
static void handshake_req_cancel_test1(struct kunit *test)
@@ -340,7 +340,7 @@ static void handshake_req_cancel_test1(struct kunit *test)
340340
/* Assert */
341341
KUNIT_EXPECT_TRUE(test, result);
342342

343-
sock_release(sock);
343+
fput(filp);
344344
}
345345

346346
static void handshake_req_cancel_test2(struct kunit *test)
@@ -382,7 +382,7 @@ static void handshake_req_cancel_test2(struct kunit *test)
382382
/* Assert */
383383
KUNIT_EXPECT_TRUE(test, result);
384384

385-
sock_release(sock);
385+
fput(filp);
386386
}
387387

388388
static void handshake_req_cancel_test3(struct kunit *test)
@@ -427,7 +427,7 @@ static void handshake_req_cancel_test3(struct kunit *test)
427427
/* Assert */
428428
KUNIT_EXPECT_FALSE(test, result);
429429

430-
sock_release(sock);
430+
fput(filp);
431431
}
432432

433433
static struct handshake_req *handshake_req_destroy_test;
@@ -471,7 +471,7 @@ static void handshake_req_destroy_test1(struct kunit *test)
471471
handshake_req_cancel(sock->sk);
472472

473473
/* Act */
474-
sock_release(sock);
474+
fput(filp);
475475

476476
/* Assert */
477477
KUNIT_EXPECT_PTR_EQ(test, handshake_req_destroy_test, req);

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