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89b57fcf01
silent NULL pointer dereference in the i386 and sparc64 pmap_pinit() when the kmem_alloc_nofault() failed to allocate address space. Both functions now return error instead of panicing or dereferencing NULL. As consequence, vmspace_exec() and vmspace_unshare() returns the errno int. struct vmspace arg was added to vm_forkproc() to avoid dealing with failed allocation when most of the fork1() job is already done. The kernel stack for the thread is now set up in the thread_alloc(), that itself may return NULL. Also, allocation of the first process thread is performed in the fork1() to properly deal with stack allocation failure. proc_linkup() is separated into proc_linkup() called from fork1(), and proc_linkup0(), that is used to set up the kernel process (was known as swapper). In collaboration with: Peter Holm Reviewed by: jhb |
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.. | ||
imgact_svr4.c | ||
Makefile | ||
svr4_acl.h | ||
svr4_dirent.h | ||
svr4_errno.h | ||
svr4_exec.h | ||
svr4_fcntl.c | ||
svr4_fcntl.h | ||
svr4_filio.c | ||
svr4_filio.h | ||
svr4_fuser.h | ||
svr4_hrt.h | ||
svr4_ioctl.c | ||
svr4_ioctl.h | ||
svr4_ipc.c | ||
svr4_ipc.h | ||
svr4_misc.c | ||
svr4_mman.h | ||
svr4_proto.h | ||
svr4_resource.c | ||
svr4_resource.h | ||
svr4_siginfo.h | ||
svr4_signal.c | ||
svr4_signal.h | ||
svr4_socket.c | ||
svr4_socket.h | ||
svr4_sockio.c | ||
svr4_sockio.h | ||
svr4_sockmod.h | ||
svr4_stat.c | ||
svr4_stat.h | ||
svr4_statvfs.h | ||
svr4_stream.c | ||
svr4_stropts.h | ||
svr4_syscall.h | ||
svr4_syscallnames.c | ||
svr4_sysconfig.h | ||
svr4_sysent.c | ||
svr4_systeminfo.h | ||
svr4_sysvec.c | ||
svr4_termios.c | ||
svr4_termios.h | ||
svr4_time.h | ||
svr4_timod.h | ||
svr4_ttold.c | ||
svr4_ttold.h | ||
svr4_types.h | ||
svr4_ucontext.h | ||
svr4_ulimit.h | ||
svr4_ustat.h | ||
svr4_util.h | ||
svr4_utsname.h | ||
svr4_wait.h | ||
svr4.h | ||
syscalls.conf | ||
syscalls.master |