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8cd40d1d41
linux_dsm_epyc7002/tools/testing/selftests/proc
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Alexey Dobriyan 8cd40d1d41 proc: fix map_files test on F29 
F29 bans mapping first 64KB even for root making test fail.  Iterate
from address 0 until mmap() works.

Gentoo (root):

	openat(AT_FDCWD, "/dev/zero", O_RDONLY) = 3
	mmap(NULL, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0

Gentoo (non-root):

	openat(AT_FDCWD, "/dev/zero", O_RDONLY) = 3
	mmap(NULL, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EPERM (Operation not permitted)
	mmap(0x1000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x1000

F29 (root):

	openat(AT_FDCWD, "/dev/zero", O_RDONLY) = 3
	mmap(NULL, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x1000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x2000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x3000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x4000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x5000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x6000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x7000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x8000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x9000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0xa000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0xb000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0xc000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0xd000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0xe000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0xf000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
	mmap(0x10000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x10000

Now all proc tests succeed on F29 if run as root, at last!

Link: http://lkml.kernel.org/r/20190414123612.GB12971@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-04-19 09:46:04 -07:00
..
.gitignore proc: test /proc/*/maps, smaps, smaps_rollup, statm 2019-03-05 21:07:22 -08:00
config proc: test /proc/self/wchan 2018-04-11 10:28:34 -07:00
fd-001-lookup.c selftests: fix warning: "_GNU_SOURCE" redefined 2018-10-24 14:49:37 -06:00
fd-002-posix-eq.c tools/testing/selftests/proc: test /proc/*/fd a bit (+ PF_KTHREAD is ABI!) 2018-06-07 17:34:38 -07:00
fd-003-kthread.c selftests: fix warning: "_GNU_SOURCE" redefined 2018-10-24 14:49:37 -06:00
Makefile proc: test /proc/*/maps, smaps, smaps_rollup, statm 2019-03-05 21:07:22 -08:00
proc-loadavg-001.c proc: return exit code 4 for skipped tests 2019-03-05 21:07:21 -08:00
proc-pid-vm.c tools/testing/selftests/proc/proc-pid-vm.c: test with vsyscall in mind 2019-03-14 14:36:20 -07:00
proc-self-map-files-001.c proc: fixup copyright sign 2018-04-12 20:52:25 -07:00
proc-self-map-files-002.c proc: fix map_files test on F29 2019-04-19 09:46:04 -07:00
proc-self-syscall.c tools/testing/selftests/proc/proc-self-syscall.c: remove duplicate include 2019-03-05 21:07:22 -08:00
proc-self-wchan.c proc: return exit code 4 for skipped tests 2019-03-05 21:07:21 -08:00
proc-uptime-001.c proc: fixup copyright sign 2018-04-12 20:52:25 -07:00
proc-uptime-002.c proc: fixup copyright sign 2018-04-12 20:52:25 -07:00
proc-uptime.h tools/testing/selftests/proc: test /proc/*/fd a bit (+ PF_KTHREAD is ABI!) 2018-06-07 17:34:38 -07:00
proc.h proc: test /proc/thread-self symlink 2018-08-22 10:52:45 -07:00
read.c proc: more robust bulk read test 2019-03-05 21:07:22 -08:00
self.c proc: test /proc/self symlink 2018-08-22 10:52:45 -07:00
setns-dcache.c proc: fix /proc/net/* after setns(2) 2019-02-01 15:46:22 -08:00
thread-self.c proc: test /proc/thread-self symlink 2018-08-22 10:52:45 -07:00