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netlink: export policy on validation failures #185

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netlink: export policy on validation failures #185

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Pull request for series with
subject: netlink: export policy on validation failures
version: 2
url: https://patchwork.kernel.org/project/bpf/list/?series=360463

@kernel-patches-bot
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Master branch: d82a532
series: https://patchwork.kernel.org/project/bpf/list/?series=360463
version: 2

Pull request is NOT updated. Failed to apply https://patchwork.kernel.org/project/bpf/list/?series=360463
error message:

Cmd('git') failed due to: exit code(128)
  cmdline: git am -3
  stdout: 'Applying: netlink: policy: refactor per-attr policy writing
Patch failed at 0001 netlink: policy: refactor per-attr policy writing
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".'
  stderr: 'error: sha1 information is lacking or useless (net/netlink/policy.c).
error: could not build fake ancestor
hint: Use 'git am --show-current-patch' to see the failed patch'

conflict:

@kernel-patches-bot kernel-patches-bot deleted the series/360463=>bpf branch October 7, 2020 01:45
kernel-patches-bot pushed a commit that referenced this pull request Jun 23, 2021
@sean-jc @bonzini
KVM: x86/mmu: Calculate and check "full" mmu_role for nested MMU
654430e 
Calculate and check the full mmu_role when initializing the MMU context
for the nested MMU, where "full" means the bits and pieces of the role
that aren't handled by kvm_calc_mmu_role_common().  While the nested MMU
isn't used for shadow paging, things like the number of levels in the
guest's page tables are surprisingly important when walking the guest
page tables.  Failure to reinitialize the nested MMU context if L2's
paging mode changes can result in unexpected and/or missed page faults,
and likely other explosions.

E.g. if an L1 vCPU is running both a 32-bit PAE L2 and a 64-bit L2, the
"common" role calculation will yield the same role for both L2s.  If the
64-bit L2 is run after the 32-bit PAE L2, L0 will fail to reinitialize
the nested MMU context, ultimately resulting in a bad walk of L2's page
tables as the MMU will still have a guest root_level of PT32E_ROOT_LEVEL.

  WARNING: CPU: 4 PID: 167334 at arch/x86/kvm/vmx/vmx.c:3075 ept_save_pdptrs+0x15/0xe0 [kvm_intel]
  Modules linked in: kvm_intel]
  CPU: 4 PID: 167334 Comm: CPU 3/KVM Not tainted 5.13.0-rc1-d849817d5673-reqs #185
  Hardware name: ASUS Q87M-E/Q87M-E, BIOS 1102 03/03/2014
  RIP: 0010:ept_save_pdptrs+0x15/0xe0 [kvm_intel]
  Code: <0f> 0b c3 f6 87 d8 02 00f
  RSP: 0018:ffffbba702dbba00 EFLAGS: 00010202
  RAX: 0000000000000011 RBX: 0000000000000002 RCX: ffffffff810a2c08
  RDX: ffff91d7bc30acc0 RSI: 0000000000000011 RDI: ffff91d7bc30a600
  RBP: ffff91d7bc30a600 R08: 0000000000000010 R09: 0000000000000007
  R10: 0000000000000000 R11: 0000000000000000 R12: ffff91d7bc30a600
  R13: ffff91d7bc30acc0 R14: ffff91d67c123460 R15: 0000000115d7e005
  FS:  00007fe8e9ffb700(0000) GS:ffff91d90fb00000(0000) knlGS:0000000000000000
  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  CR2: 0000000000000000 CR3: 000000029f15a001 CR4: 00000000001726e0
  Call Trace:
   kvm_pdptr_read+0x3a/0x40 [kvm]
   paging64_walk_addr_generic+0x327/0x6a0 [kvm]
   paging64_gva_to_gpa_nested+0x3f/0xb0 [kvm]
   kvm_fetch_guest_virt+0x4c/0xb0 [kvm]
   __do_insn_fetch_bytes+0x11a/0x1f0 [kvm]
   x86_decode_insn+0x787/0x1490 [kvm]
   x86_decode_emulated_instruction+0x58/0x1e0 [kvm]
   x86_emulate_instruction+0x122/0x4f0 [kvm]
   vmx_handle_exit+0x120/0x660 [kvm_intel]
   kvm_arch_vcpu_ioctl_run+0xe25/0x1cb0 [kvm]
   kvm_vcpu_ioctl+0x211/0x5a0 [kvm]
   __x64_sys_ioctl+0x83/0xb0
   do_syscall_64+0x40/0xb0
   entry_SYSCALL_64_after_hwframe+0x44/0xae

Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: stable@vger.kernel.org
Fixes: bf627a9 ("x86/kvm/mmu: check if MMU reconfiguration is needed in init_kvm_nested_mmu()")
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210610220026.1364486-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 12, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
99daec7 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 12, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
cf44b8a 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 12, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
4166ab8 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 12, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
28c2f25 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 12, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
211411a 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 15, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
8c7ec84 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 15, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
1edd327 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 16, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
0b69e3d 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 16, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
cecf38a 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 16, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
7afbb35 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 16, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
5c348e7 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 16, 2021
@thefallentree
selftests/bpf: Add timing to tests_progs
fd7b6ad 
This patch adds '--timing' to test_progs. It tracks and print timing
information for each tests, it also prints top 10 slowest tests in the
summary.

Example output:
  $./test_progs --timing -j
  #1 align:OK (16 ms)
  ...
  #203 xdp_bonding:OK (2019 ms)
  #206 xdp_cpumap_attach:OK (3 ms)
  #207 xdp_devmap_attach:OK (4 ms)
  #208 xdp_info:OK (4 ms)
  #209 xdp_link:OK (4 ms)

  Top 10 Slowest tests:
  #48 fexit_stress: 34356 ms
  #160 test_lsm: 29602 ms
  #161 test_overhead: 29190 ms
  #159 test_local_storage: 28959 ms
  #158 test_ima: 28521 ms
  #185 verif_scale_pyperf600: 19524 ms
  #199 vmlinux: 17310 ms
  #154 tc_redirect: 11491 ms (serial)
  #147 task_local_storage: 7612 ms
  #183 verif_scale_pyperf180: 7186 ms
  Summary: 212/973 PASSED, 3 SKIPPED, 0 FAILED

Signed-off-by: Yucong Sun <sunyucong@gmail.com>
kernel-patches-bot pushed a commit that referenced this pull request Nov 29, 2022
@kdave
btrfs: use kvcalloc in btrfs_get_dev_zone_info
8fe97d4 
Otherwise the kernel memory allocator seems to be unhappy about failing
order 6 allocations for the zones array, that cause 100% reproducible
mount failures in my qemu setup:

  [26.078981] mount: page allocation failure: order:6, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null)
  [26.079741] CPU: 0 PID: 2965 Comm: mount Not tainted 6.1.0-rc5+ #185
  [26.080181] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
  [26.080950] Call Trace:
  [26.081132]  <TASK>
  [26.081291]  dump_stack_lvl+0x56/0x6f
  [26.081554]  warn_alloc+0x117/0x140
  [26.081808]  ? __alloc_pages_direct_compact+0x1b5/0x300
  [26.082174]  __alloc_pages_slowpath.constprop.0+0xd0e/0xde0
  [26.082569]  __alloc_pages+0x32a/0x340
  [26.082836]  __kmalloc_large_node+0x4d/0xa0
  [26.083133]  ? trace_kmalloc+0x29/0xd0
  [26.083399]  kmalloc_large+0x14/0x60
  [26.083654]  btrfs_get_dev_zone_info+0x1b9/0xc00
  [26.083980]  ? _raw_spin_unlock_irqrestore+0x28/0x50
  [26.084328]  btrfs_get_dev_zone_info_all_devices+0x54/0x80
  [26.084708]  open_ctree+0xed4/0x1654
  [26.084974]  btrfs_mount_root.cold+0x12/0xde
  [26.085288]  ? lock_is_held_type+0xe2/0x140
  [26.085603]  legacy_get_tree+0x28/0x50
  [26.085876]  vfs_get_tree+0x1d/0xb0
  [26.086139]  vfs_kern_mount.part.0+0x6c/0xb0
  [26.086456]  btrfs_mount+0x118/0x3a0
  [26.086728]  ? lock_is_held_type+0xe2/0x140
  [26.087043]  legacy_get_tree+0x28/0x50
  [26.087323]  vfs_get_tree+0x1d/0xb0
  [26.087587]  path_mount+0x2ba/0xbe0
  [26.087850]  ? _raw_spin_unlock_irqrestore+0x38/0x50
  [26.088217]  __x64_sys_mount+0xfe/0x140
  [26.088506]  do_syscall_64+0x35/0x80
  [26.088776]  entry_SYSCALL_64_after_hwframe+0x63/0xcd

Fixes: 5b31646 ("btrfs: get zone information of zoned block devices")
CC: stable@vger.kernel.org # 5.15+
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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