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Fix: pass LINUX_O_CLOEXEC
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src/kernel/mach_server/client/lkm.c
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src/kernel/mach_server/client/lkm.c
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#include <fcntl.h>
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#include <unistd.h>
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#define LINUX_O_CLOEXEC 02000000
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int driver_fd = -1;
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extern int __real_ioctl(int fd, int cmd, void* arg);
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// Ensure we get the same fd number, even if lower ones are available
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if (driver_fd != -1 && driver_fd != new_driver_fd)
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{
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dup3(new_driver_fd, driver_fd, O_CLOEXEC);
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dup3(new_driver_fd, driver_fd, LINUX_O_CLOEXEC); // native Linux syscall
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close(new_driver_fd);
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}
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else