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Close kernel epoll fd in ff_hook_close when using FF_KERNEL_EVENT 

This commit fixes kernel fd leakage when using epoll in FF_KERNEL_EVENT.
This commit is contained in:
zhaozihanzzh 2024-07-16 21:45:54 +08:00
parent 4bac6dea1e
commit 8d5557ef7d
1 changed files with 12 additions and 0 deletions
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12
adapter/syscall/ff_hook_syscall.c
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@ -1542,6 +1542,18 @@ ff_hook_close(int fd)
SYSCALL(FF_SO_CLOSE, args); SYSCALL(FF_SO_CLOSE, args);
#ifdef FF_KERNEL_EVENT
if (ret == 0 && fstack_kernel_fd_map[fd]) {
int kernel_fd_ret = ff_linux_close(fstack_kernel_fd_map[fd]);
if (kernel_fd_ret < 0) {
ERR_LOG("fstack_kernel_fd_map[%d]=%d, ff_linux_close returns %d, errno=%d\n",
fd, fstack_kernel_fd_map[fd], kernel_fd_ret, errno);
} else {
fstack_kernel_fd_map[fd] = 0;
}
}
#endif
RETURN_NOFREE(); RETURN_NOFREE();
} }