arc-setup: blocked syscall 273 |
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Issue descriptionThis is seen in the kernel log with recent 3.18 and 4.4 kernels: "[3191] arc-setup: blocked syscall 273" syscall appears to be arch/x86/syscalls/syscall_64.tbl:273 64 set_robust_list sys_set_robust_list I didn't research when exactly the problem started. Additional info from yusukes@: "Starting M63-10032.0.0 (built Oct 13 pm PT), arc-setup sometimes forks and executes a new minijail'ed process to run Android's /system/bin/dex2oat host-side (https://chrome-internal-review.googlesource.com/c/chromeos/cheets-scripts/+/474652 ), which might be related to the message."
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Oct 19 2017
if we want to whitelist the syscall, update security/chromiumos/alt-syscall.c in the kernel to add the syscall to the android tables
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Oct 19 2017
... and don't forget to export the syscall symbol.
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Nov 18 2017
Still seen with chromeos-4.14.
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Nov 20 2017
We can add that to the white list. It could be needed by other apps too.
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Nov 20 2017
set_robust_list is probably OK to be added.
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Nov 20 2017
comment #5 Does this mean that the patchoat container is not working properly?
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Nov 30 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/2a9570c6b88c653090a6449b0b3610c7f4878dca commit 2a9570c6b88c653090a6449b0b3610c7f4878dca Author: Xiaoyong Zhou <xzhou@chromium.org> Date: Thu Nov 30 02:05:05 2017 CHROMIUM: Whitelist set_robust_list ARC need to call android patchoat to relocate boot.art images and patchoat needs set_robust_list. Signed-off-by: Xiaoyong Zhou <xzhou@chromium.org> BUG= chromium:776385 TEST=start ARC and 'dmesg | grep blocked' Change-Id: I9161d1a4d87802f13355279edc1d3baec2bb5b85 Reviewed-on: https://chromium-review.googlesource.com/794898 Commit-Ready: Xiaoyong Zhou <xzhou@chromium.org> Tested-by: Xiaoyong Zhou <xzhou@chromium.org> Reviewed-by: Yusuke Sato <yusukes@chromium.org> Reviewed-by: Guenter Roeck <groeck@chromium.org> [modify] https://crrev.com/2a9570c6b88c653090a6449b0b3610c7f4878dca/security/chromiumos/alt-syscall.c [modify] https://crrev.com/2a9570c6b88c653090a6449b0b3610c7f4878dca/kernel/futex.c
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Dec 1 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/9b27c40e7e998c701b4a72b3a744c5dc3a1ed548 commit 9b27c40e7e998c701b4a72b3a744c5dc3a1ed548 Author: Xiaoyong Zhou <xzhou@chromium.org> Date: Fri Dec 01 04:30:22 2017 CHROMIUM: Whitelist set_robust_list ARC need to call android patchoat to relocate boot.art images and patchoat needs set_robust_list. Signed-off-by: Xiaoyong Zhou <xzhou@chromium.org> BUG= chromium:776385 TEST=start ARC and 'dmesg | grep blocked' Change-Id: I9161d1a4d87802f13355279edc1d3baec2bb5b85 Reviewed-on: https://chromium-review.googlesource.com/794898 Commit-Ready: Xiaoyong Zhou <xzhou@chromium.org> Tested-by: Xiaoyong Zhou <xzhou@chromium.org> Reviewed-by: Yusuke Sato <yusukes@chromium.org> Reviewed-by: Guenter Roeck <groeck@chromium.org> (cherry picked from commit 2a9570c6b88c653090a6449b0b3610c7f4878dca) Reviewed-on: https://chromium-review.googlesource.com/802250 Commit-Ready: Guenter Roeck <groeck@chromium.org> Tested-by: Guenter Roeck <groeck@chromium.org> Reviewed-by: Xiaoyong Zhou <xzhou@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org> [modify] https://crrev.com/9b27c40e7e998c701b4a72b3a744c5dc3a1ed548/security/chromiumos/alt-syscall.c [modify] https://crrev.com/9b27c40e7e998c701b4a72b3a744c5dc3a1ed548/kernel/futex.c
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Dec 1 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/1f7b2f1595470255686c5246a7232d5155ed8244 commit 1f7b2f1595470255686c5246a7232d5155ed8244 Author: Xiaoyong Zhou <xzhou@chromium.org> Date: Fri Dec 01 04:30:21 2017 CHROMIUM: Whitelist set_robust_list ARC need to call android patchoat to relocate boot.art images and patchoat needs set_robust_list. Signed-off-by: Xiaoyong Zhou <xzhou@chromium.org> BUG= chromium:776385 TEST=start ARC and 'dmesg | grep blocked' Change-Id: I9161d1a4d87802f13355279edc1d3baec2bb5b85 Reviewed-on: https://chromium-review.googlesource.com/794898 Commit-Ready: Xiaoyong Zhou <xzhou@chromium.org> Tested-by: Xiaoyong Zhou <xzhou@chromium.org> Reviewed-by: Yusuke Sato <yusukes@chromium.org> Reviewed-by: Guenter Roeck <groeck@chromium.org> (cherry picked from commit 2a9570c6b88c653090a6449b0b3610c7f4878dca) Reviewed-on: https://chromium-review.googlesource.com/801254 Commit-Ready: Guenter Roeck <groeck@chromium.org> Tested-by: Guenter Roeck <groeck@chromium.org> Reviewed-by: Xiaoyong Zhou <xzhou@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org> [modify] https://crrev.com/1f7b2f1595470255686c5246a7232d5155ed8244/security/chromiumos/alt-syscall.c [modify] https://crrev.com/1f7b2f1595470255686c5246a7232d5155ed8244/kernel/futex.c
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Dec 1 2017
The following revision refers to this bug: https://chromium.googlesource.com/chromiumos/third_party/kernel/+/aa8bc0aca8ab62d9efb5eaaa63096a3d4c17a364 commit aa8bc0aca8ab62d9efb5eaaa63096a3d4c17a364 Author: Xiaoyong Zhou <xzhou@chromium.org> Date: Fri Dec 01 04:30:19 2017 CHROMIUM: Whitelist set_robust_list ARC need to call android patchoat to relocate boot.art images and patchoat needs set_robust_list. Signed-off-by: Xiaoyong Zhou <xzhou@chromium.org> BUG= chromium:776385 TEST=start ARC and 'dmesg | grep blocked' Change-Id: I9161d1a4d87802f13355279edc1d3baec2bb5b85 Reviewed-on: https://chromium-review.googlesource.com/794898 Commit-Ready: Xiaoyong Zhou <xzhou@chromium.org> Tested-by: Xiaoyong Zhou <xzhou@chromium.org> Reviewed-by: Yusuke Sato <yusukes@chromium.org> Reviewed-by: Guenter Roeck <groeck@chromium.org> (cherry picked from commit 2a9570c6b88c653090a6449b0b3610c7f4878dca) Reviewed-on: https://chromium-review.googlesource.com/801105 Commit-Ready: Guenter Roeck <groeck@chromium.org> Tested-by: Guenter Roeck <groeck@chromium.org> Reviewed-by: Xiaoyong Zhou <xzhou@chromium.org> Reviewed-by: Dylan Reid <dgreid@chromium.org> [modify] https://crrev.com/aa8bc0aca8ab62d9efb5eaaa63096a3d4c17a364/security/chromiumos/alt-syscall.c [modify] https://crrev.com/aa8bc0aca8ab62d9efb5eaaa63096a3d4c17a364/kernel/futex.c
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Dec 4 2017
Patched. |
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Comment 1 by vapier@chromium.org
, Oct 19 2017