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Author SHA1 Message Date
Christopher Ferris
f78486f40e Mangle the pointers stored in PointerData. 
The libmemunreachable library looks through memory to determine
if pointers are leaked. Unfortunately, the malloc debug code
stores the original pointer in data structures, so it looks like
pointers are still in use. The fix is to mangle the pointers
stored in memory so that it doesn't trick the library into thinking
they are live.

Test: All unit/system tests pass.
Test: Ran libmemunreachable and verified leaks show up.
Change-Id: Ic40a0a5ae73857cde936fd76895d88829686a643
 2022-05-04 17:07:40 -07:00
Elliott Hughes
082b9290d0 Merge "seccomp: allow stat() for ubsan." 2022-05-04 16:35:26 +00:00
Treehugger Robot
0f6d493d28 Merge "Properly fix heap_tagging_helper for HWASan." 2022-05-03 05:34:16 +00:00
Florian Mayer
e2d50fe622 Properly fix heap_tagging_helper for HWASan. 
Test: atest bionic-unit-tests
Change-Id: Ia9fbb436676257810d1c379d5d65dd7ccfcf90ac
 2022-05-02 18:35:50 +00:00
Elliott Hughes
a0745cea5f seccomp: allow stat() for ubsan. 
We've had complaints about ubsan issues for years, but never got to the
bottom of them, or saw them ourselves in testing. For some reason (still
not understood) we've started to see this ourselves in T and downstream
branches. So for now, let's just punch that extra hole.

Longer term, ubsan should stop needing any of this, so once
https://reviews.llvm.org/D124212 is in an LTS NDK, we should be able to
get rid of this _and_ the existing sanitizer-related holes.

Bug: https://github.com/android/ndk/issues/1298
Bug: http://b/229989971
Test: treehugger
Change-Id: Id42cb29c4e943c0080c0d34ce4e5d6d1b32da9e8
 2022-04-29 15:48:08 -07:00
Maciej Żenczykowski
668c061986 Merge "allowlist new Linux close_range() system call, use it in posix_spawn()" 2022-04-29 07:07:16 +00:00
Maciej Żenczykowski
c9c0ebde3c allowlist new Linux close_range() system call, use it in posix_spawn() 
Linux kernel's close_range() system call (currently) allows:
  close() unshare() fcntl(F_SETFD, FD_CLOEXEC)
to be performed on ranges of fds.

All 3 of these are already allowed by seccomp bpf:
as such this doesn't allow you to do anything you can't already do.

We can't add close_range() properly to bionic because we'd need to
fiddle about with ltp and it's too late to add new T API anyway,
so let's just make the direct syscall() call.

We'll add proper support in U.

See also:
  https://man7.org/linux/man-pages/man2/close_range.2.html

Test: TreeHugger
Bug: 229913920
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I85586d544fc23bed6aee59f00bdb79ee7a8150d1
 2022-04-28 23:33:38 +00:00
Automerger Merge Worker
966a778a24 Merge "Merge "Merge "Fix unistd.exec_argv0_null for new kernels." into android12-tests-dev am: b4cee37d7d" into android12L-tests-dev am: eec0b88f15" 2022-04-27 21:44:05 +00:00
Automerger Merge Worker
994ccab13e Merge "Merge "Fix unistd.exec_argv0_null for new kernels." into android12-tests-dev am: b4cee37d7d" into android12L-tests-dev am: eec0b88f15 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/2078360

Change-Id: I763aa2e4672e54a4fe3df9517b3935740653237e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
 2022-04-27 21:44:02 +00:00
Treehugger Robot
069a25fe57 Merge "Improve the "how to add a system call" documentation." 2022-04-27 21:40:34 +00:00
Automerger Merge Worker
eec0b88f15 Merge "Merge "Fix unistd.exec_argv0_null for new kernels." into android12-tests-dev am: b4cee37d7d" into android12L-tests-dev 2022-04-27 21:26:56 +00:00
Treehugger Robot
7f7994cd16 Merge "Fix unistd.exec_argv0_null for new kernels." into android12-tests-dev am: b4cee37d7d 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/2078360

Change-Id: Ia864567dea05116f0b92edd31f5645edbc82e483
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
 2022-04-27 21:26:53 +00:00
Treehugger Robot
b4cee37d7d Merge "Fix unistd.exec_argv0_null for new kernels." into android12-tests-dev 2022-04-27 21:07:54 +00:00
Automerger Merge Worker
83e70ab7f3 Merge "Merge "Merge "Merge "Fix unistd.exec_argv0_null for new kernels." into android11-tests-dev am: 9d0912a7b2" into android12-tests-dev am: f14019cf61" into android12L-tests-dev am: dc8f5f7d3a" 2022-04-27 19:51:26 +00:00
Automerger Merge Worker
7294f4a88c Merge "Merge "Merge "Fix unistd.exec_argv0_null for new kernels." into android11-tests-dev am: 9d0912a7b2" into android12-tests-dev am: f14019cf61" into android12L-tests-dev am: dc8f5f7d3a 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/2078359

Change-Id: I594cefad36406ac8ff97528f11c7100b212637ae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
 2022-04-27 19:51:23 +00:00
Automerger Merge Worker
dc8f5f7d3a Merge "Merge "Merge "Fix unistd.exec_argv0_null for new kernels." into android11-tests-dev am: 9d0912a7b2" into android12-tests-dev am: f14019cf61" into android12L-tests-dev 2022-04-27 19:30:39 +00:00
Automerger Merge Worker
f4b7c1ecc2 Merge "Merge "Fix unistd.exec_argv0_null for new kernels." into android11-tests-dev am: 9d0912a7b2" into android12-tests-dev am: f14019cf61 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/2078359

Change-Id: I162c86e60a34a50eef6079bcab78172c69c76f00
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
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Automerger Merge Worker
112a717077 Merge "Merge "Merge "Merge "Merge "Fix unistd.exec_argv0_null for new kernels." into android10-tests-dev am: 16457fd9d0" into android11-tests-dev am: ede618aef2" into android12-tests-dev am: ba0f5b9195" into android12L-tests-dev am: 19dce61545" 2022-04-27 19:22:07 +00:00
Automerger Merge Worker
4f61022f30 Merge "Merge "Merge "Merge "Fix unistd.exec_argv0_null for new kernels." into android10-tests-dev am: 16457fd9d0" into android11-tests-dev am: ede618aef2" into android12-tests-dev am: ba0f5b9195" into android12L-tests-dev am: 19dce61545 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/2078358

Change-Id: I0f6ee716bba94d903dae26c11aa6163bcc07e322
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
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Automerger Merge Worker
3e8dfcebfb Merge "Merge "Merge "Regression test for scudo crash in resizeTaggedChunk." into android12-tests-dev am: d8fa0f64af" into android12L-tests-dev am: 6c73a7ac6f" 2022-04-27 19:21:53 +00:00
Automerger Merge Worker
f93ff759bf Merge "Merge "Regression test for scudo crash in resizeTaggedChunk." into android12-tests-dev am: d8fa0f64af" into android12L-tests-dev am: 6c73a7ac6f 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1901121

Change-Id: I55008be651749df05318012445d36b228c517af0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
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Automerger Merge Worker
cf1733aceb Merge "Merge "Merge "Skip the malloc_slack test on native bridge." into android12-tests-dev am: 1623704319" into android12L-tests-dev am: 9ca3b55cc1" 2022-04-27 19:21:44 +00:00
Automerger Merge Worker
1a55dd91ee Merge "Merge "Skip the malloc_slack test on native bridge." into android12-tests-dev am: 1623704319" into android12L-tests-dev am: 9ca3b55cc1 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1854022

Change-Id: Ic97a53d86d458f56249e5e3d9b90cf1abeed74a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
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Automerger Merge Worker
a7e8b92de6 Merge "Merge "Merge "Merge "Merge "Fix possible issue with cfi_basic test." into android10-tests-dev am: 3144bf7b69" into android11-tests-dev am: 9ef57feced" into android12-tests-dev am: 05f451ff40" into android12L-tests-dev am: 68fd586b3a" 2022-04-27 19:21:35 +00:00
Automerger Merge Worker
89839f9169 Merge "Merge "Merge "Merge "Fix possible issue with cfi_basic test." into android10-tests-dev am: 3144bf7b69" into android11-tests-dev am: 9ef57feced" into android12-tests-dev am: 05f451ff40" into android12L-tests-dev am: 68fd586b3a 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1450415

Change-Id: Ic655861445d6bfb675db4c53996f46ed901fac65
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Automerger Merge Worker
99eb475597 Merge changes from topic "am-492299fff56f41ea80d26768bcc5c005" 
* changes:
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1371143

Change-Id: Id2cae79161d56e746802540fa1d73b90cba3de1c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
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Treehugger Robot
8560b4b39f [automerger skipped] Merge "Remove stack address check in cfi_basic test." into android10-tests-dev am: c9608ab2e2 -s ours am: 83dd5914ae -s ours am: f1f4c02d31 -s ours am: ef543c40bc -s ours 
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1371143

Change-Id: I1eb3213dbf6f5e1581f13cc2257c97a952247ca0
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3286b39941 Merge changes from topic "am-c6b8230339e24a95948ea129db34cb0d" 
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1183110

Change-Id: I33b3747e7b6b80ddc842d9290dedfdcc7a188a8c
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Treehugger Robot
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1183110

Change-Id: Ib30b4c4fd82e0bddb7d3593b4186d138c043a6c0
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1164119

Change-Id: I1b5be9950586cad96957de88fbecae469184bd70
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1164119

Change-Id: I09c01dc8314caf9cc56d23e5f5f2756fab2945d8
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Automerger Merge Worker
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1126826

Change-Id: Ie4640cc893719dcccafb1612bf6efd7f3cabf7f9
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Automerger Merge Worker
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1466626

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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1431308

Change-Id: I991356aa821b36600a86b30f5a2ab613001e2844
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1431308

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Original change: https://android-review.googlesource.com/c/platform/bionic/+/2078359

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Original change: https://android-review.googlesource.com/c/platform/bionic/+/2078358

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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1901121

Change-Id: I49830085e20d8aa627b9322672aaaa4770ac5515
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Original change: https://android-review.googlesource.com/c/platform/bionic/+/1854022

Change-Id: Id50dd0d3a8060ad7943a9f08401e88b05c75be4b
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