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.h files to pull it in, if needed
ok tedu
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yield between operations. Re-grab the vnode every operation,
so that multiple coredumps can be saved at the same time.
ok guenther beck etc
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by the Go linker) as native executables even if they don't contain an
OpenBSD PT_NOTE segment.
Confirmed to fix Go by sthen
ok kettenis, deraadt
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for all the compat layers which are now gone. Linux compat still works
because it always used another method in any case, and nothing looks at
p_os anymore.
ok jsing
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segments to the kernel, ld (2.15), and ld.so. Tested on alpha, amd64,
i386, macppc, and sparc64 (thanks naddy, mpi, and okan!).
Idea discussed for some time; committing now for further testing.
ok deraadt
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no oks (it is really a pain to review properly)
extensively tested, I'm confident it'll be stable
'now is the time' from several icb inhabitants
Diff provides:
- ability to specify different allocators for different regions/maps
- a simpler implementation of the current allocator
- currently in compatibility mode: it will generate similar addresses
as the old allocator
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problem has been tracked down. This fixes the sharing of the signal
handling state: shared bits go in sigacts, per-rthread bits goes in
struct proc.
ok deraadt@
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outside the tree.
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vmmap is designed to perform address space randomized allocations,
without letting fragmentation of the address space go through the roof.
Some highlights:
- kernel address space randomization
- proper implementation of guardpages
- roughly 10% system time reduction during kernel build
Tested by alot of people on tech@ and developers.
Theo's machines are still happy.
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until they're zombies and then send them signals (for intr mounts). Until
that is untangled, the sigacts change is unsafe. sthen@ was the victim
for this one
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be shared (p_sigignore, p_sigcatch, P_NOCLDSTOP, P_NOCLDWAIT) moves
to struct sigacts, wihle stuff that should be per rthread (ps_oldmask,
SAS_OLDMASK, ps_sigstk) moves to struct proc. Treat the coredumping
state bits (ps_sig, ps_code, ps_type, ps_sigval) as per-rthread
until our locking around coredumping is better.
Oh, and remove the old SunOS-compat ps_usertramp member.
"I like the sound of this" tedu@
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one has been weeding it, and it makes life harder.
Toasts of Brennivin for its passing from many; diff ok henning@
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heap gap from max data size. nothing else changes yet. ok deraadt
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core files. fixes a local DoS that can be carried out by
an unprivileged user.
ok kettenis
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so that the process-level stuff is to/from struct process and not
struct proc. This fixes a bunch of problem cases in rthreads.
Based on earlier work by blambert and myself, but mostly written
at c2k10.
Tested by many: deraadt, sthen, krw, ray, and in snapshots
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sizeof(char *), not in bytes, so we've been allocating and copying around
four or eight times as many bytes as we needed to
ok kettenis@ deraadt@
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(not done) hasn't changed, but now it's less work to test things.
ok art deraadt
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gcc4 from complaining about casting a pointer to an integer type of different
size.
ok guenther@, jsg@
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from Brad Tilley <brad at 16systems dot com>;
ok oga@
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do that and, given the security issues it exacerbates, never will.
So document it and delete the disabled support.
ok deraadt@ tedu@
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media just a wee bit too much.
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unconditionally.
ok miod@
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NetBSD.
ok kurt@, drahn@, miod@
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independent executables using the uvm_map_pie() function to
randomize the load address. okay miod@, kettenis@, drahn@
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marker; found the hard way by sturm@
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end. Makes static linux binaries run again.
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ok deraadt@
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activity for anyone. Bye bye COMPAT_NETBSD. ok tedu@, deraadt@, and many others
in the hackathon room.
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ok pedro@
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kern_descrip.c change ok deraadt
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ok drahn@
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take interp[MAXPATHLEN] off the stack. from mickey, ok otto
while here, switch above from malloc to pool, remove stupid casts
tedu@ miod@ ok
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to see; page fault trap in linux_elf_probe (char *itp is being passed as NULL
and then "if (itp[0])" attempts to dereference it). deraadt@ "trash it asap"
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while here, switch above from malloc to pool, remove stupid casts
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(some unusual linux binaries), ok deraadt.
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add e_flags to struct emul. this stores on/off and native flags.
check for emul enabled in check_exec(). gather all the emuls into a
emulsw so a sysctl can find them. create sysctl. move maxhdrsiz calcualation
into init_main so it cleans up sys_execve codepath. teach sysctl utility
to grok kern.emul hierarchy.
requested and ok deraadt@ some comments from mickey@
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Close PR 3262
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not already used. limit nphdr to 32. ok tedu@
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