ci starts bisection 2023-05-01 04:36:38.44379484 +0000 UTC m=+199267.005869372
bisecting cause commit starting from 825a0714d2b3883d4f8ff64f6933fb73ee3f1834
building syzkaller on 62df2017e3b1edd786a4c737bd4ccba2b4581d88
ensuring issue is reproducible on original commit 825a0714d2b3883d4f8ff64f6933fb73ee3f1834

testing commit 825a0714d2b3883d4f8ff64f6933fb73ee3f1834 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ceaaa5cb8028b280f8ea1ccfb8aea7d4d8046e33f6c0e4ff0664837f82ccb492
all runs: crashed: WARNING in iommufd_test_check_pages
testing release v6.3
testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 34d7d1102dccffacf0b48d3dcffd1b0b3e622a5002cea8848e9161fc56a8c64d
all runs: crashed: WARNING in iommufd_test_check_pages
testing release v6.2
testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 11d8b3ee5ce3018dbffbf8c8b0365716925653b32d575bd17f326749950de820
all runs: crashed: WARNING in iommufd_test_check_pages
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 678de7428301100664d0dd9cad28b182632216640811946debc37da89f0e3484
all runs: OK
# git bisect start c9c3395d5e3dcc6daee66c6908354d47bf98cb0c 830b3c68c1fb1e9176028d02ef86f3cf76aa2476
Bisecting: 9429 revisions left to test after this (roughly 13 steps)
[1ca06f1c1acecbe02124f14a37cce347b8c1a90c] Merge tag 'xtensa-20221213' of https://github.com/jcmvbkbc/linux-xtensa

testing commit 1ca06f1c1acecbe02124f14a37cce347b8c1a90c gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f7556dc3c3fe5a12d5ac109102df34f172991868892dabf315e66cc584b8df70
all runs: OK
# git bisect good 1ca06f1c1acecbe02124f14a37cce347b8c1a90c
Bisecting: 4752 revisions left to test after this (roughly 12 steps)
[b83a7080d30032cf70832bc2bb04cc342e203b88] Merge tag 'staging-6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

testing commit b83a7080d30032cf70832bc2bb04cc342e203b88 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: cdfe83ae4e971ccc1fc23a29d4c6a3f4acb4b077e794a7a9eb69f03ad8ea3b73
all runs: crashed: WARNING in iommufd_test_check_pages
# git bisect bad b83a7080d30032cf70832bc2bb04cc342e203b88
Bisecting: 2462 revisions left to test after this (roughly 11 steps)
[7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91] Merge tag 'net-next-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

testing commit 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6ca9f95c79d25aae581fc2dc319bbcb6c6a9215eeb22d0d414b4989e5c62020f
all runs: OK
# git bisect good 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91
Bisecting: 1244 revisions left to test after this (roughly 10 steps)
[94a855111ed9106971ca2617c5d075269e6aefde] Merge tag 'x86_core_for_v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit 94a855111ed9106971ca2617c5d075269e6aefde gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 50d4938664532da78df66338a1e9e6c7161d2217fec13c39b6bbe28b41c289bc
all runs: crashed: WARNING in iommufd_test_check_pages
# git bisect bad 94a855111ed9106971ca2617c5d075269e6aefde
Bisecting: 569 revisions left to test after this (roughly 9 steps)
[ab425febda94c7d287ea3433cbd0971771d6aeb4] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

testing commit ab425febda94c7d287ea3433cbd0971771d6aeb4 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 816917f7f326facbe131412a5593f4910e883ab4b21c45045e8ba250772bf4f9
all runs: crashed: WARNING in iommufd_test_check_pages
# git bisect bad ab425febda94c7d287ea3433cbd0971771d6aeb4
Bisecting: 331 revisions left to test after this (roughly 8 steps)
[e2ca6ba6ba0152361aa4fcbf6067db71b2c7a770] Merge tag 'mm-stable-2022-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

testing commit e2ca6ba6ba0152361aa4fcbf6067db71b2c7a770 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d6122f292dea08132b1e5f1484cd4c85d5e39bf6c0609a3e285119d7b5f7255c
all runs: OK
# git bisect good e2ca6ba6ba0152361aa4fcbf6067db71b2c7a770
Bisecting: 192 revisions left to test after this (roughly 7 steps)
[aa5ad10f6cca6d42f3fef6cb862e03b220ea19a6] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

testing commit aa5ad10f6cca6d42f3fef6cb862e03b220ea19a6 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f6edc9c38c74aa44a808ff86417acc578952ecf31f236f873c0d52bc5c50af2b
all runs: OK
# git bisect good aa5ad10f6cca6d42f3fef6cb862e03b220ea19a6
Bisecting: 96 revisions left to test after this (roughly 7 steps)
[4cd9f1d320f905e7bc60f030566d15003745ba91] RDMA/rxe: Enable atomic write capability for rxe device

testing commit 4cd9f1d320f905e7bc60f030566d15003745ba91 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: bda209c1afb6c8e692580fa08243ecb99bd0b6e4a95f98bd75a4a9ff8215326b
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 4cd9f1d320f905e7bc60f030566d15003745ba91
Bisecting: 95 revisions left to test after this (roughly 7 steps)
[323a74fc20f53c0d0e13a16aee703a30d9751235] RDMA: Disable IB HW for UML

testing commit 323a74fc20f53c0d0e13a16aee703a30d9751235 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 325d0120c7b2d3a3b64b3054105467fcc76eb1af8b72523af5f95d408c71af87
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 323a74fc20f53c0d0e13a16aee703a30d9751235
Bisecting: 95 revisions left to test after this (roughly 7 steps)
[3ff81e827b8d5cea36ff374a11c200b4306f45d2] RDMA: Extend RDMA kernel ABI to support atomic write

testing commit 3ff81e827b8d5cea36ff374a11c200b4306f45d2 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0b11c09617e0b0dd706a369e370ad8bae9060d49312e521877f143eeb90cc159
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 3ff81e827b8d5cea36ff374a11c200b4306f45d2
Bisecting: 95 revisions left to test after this (roughly 7 steps)
[a4d1f91db5021c57e14721ac090616c90386ac70] vfio-iommufd: Support iommufd for physical VFIO devices

testing commit a4d1f91db5021c57e14721ac090616c90386ac70 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b03834d52eff088ce0fadc559f4104d40673f915d9180f750fa4f3c041911be6
all runs: boot failed: WARNING in genl_register_family
# git bisect skip a4d1f91db5021c57e14721ac090616c90386ac70
Bisecting: 95 revisions left to test after this (roughly 7 steps)
[d074f0aebde5649f7a9f1807551efc019b8e81c4] RDMA/hfi1: use sysfs_emit() to instead of scnprintf()

testing commit d074f0aebde5649f7a9f1807551efc019b8e81c4 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2d2e3455904dc167923d0a7a040f7d1c90f72c9377a2a1335f4ebe76ca299c39
all runs: boot failed: WARNING in genl_register_family
# git bisect skip d074f0aebde5649f7a9f1807551efc019b8e81c4
Bisecting: 95 revisions left to test after this (roughly 7 steps)
[1ec5617432abc3efeec36c4e584a700f6c7e46f9] Merge branch 'mana-shared-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

testing commit 1ec5617432abc3efeec36c4e584a700f6c7e46f9 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: cc13240b5428ee2e6ac591b44bebea394cc89e81dd74c4dd04e70881b3e8d5bb
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 1ec5617432abc3efeec36c4e584a700f6c7e46f9
Bisecting: 95 revisions left to test after this (roughly 7 steps)
[abb633cf28049e6a7c37c44f83a8584f7dbded7d] RDMA/rxe: Make requester support atomic write on RC service

testing commit abb633cf28049e6a7c37c44f83a8584f7dbded7d gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 3bf368689eaffe6cdbc63d49c6629f9e512ec7d78704e6d9eb8668641481c7bf
all runs: boot failed: WARNING in genl_register_family
# git bisect skip abb633cf28049e6a7c37c44f83a8584f7dbded7d
Bisecting: 95 revisions left to test after this (roughly 7 steps)
[f794eec86c7cd9a340a66109e6f32f8659ff30fa] vfio: Simplify vfio_create_group()

testing commit f794eec86c7cd9a340a66109e6f32f8659ff30fa gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 65cd4509fd819eceaa28a16d385f5c9046d3dba04c72fc56c872205a85fc3542
all runs: crashed: WARNING in iommufd_test_check_pages
# git bisect bad f794eec86c7cd9a340a66109e6f32f8659ff30fa
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[f394576eb11dbcd3a740fa41e577b97f0720d26e] iommufd: PFN handling for iopt_pages

testing commit f394576eb11dbcd3a740fa41e577b97f0720d26e gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0610ee2bcbc83139163e49066f41427df9486c50da905abd446cacec48f1c42f
all runs: boot failed: WARNING in genl_register_family
# git bisect skip f394576eb11dbcd3a740fa41e577b97f0720d26e
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[2a3dab19a0a6c1823645764188776f271de1b3cf] vfio-iommufd: Allow iommufd to be used in place of a container fd

testing commit 2a3dab19a0a6c1823645764188776f271de1b3cf gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f0fcba8249e5e3168b755555251099e59843ea7ad6a5559aaefc832162a72ce5
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 2a3dab19a0a6c1823645764188776f271de1b3cf
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[658234de0d2ed3a1b86d793f4772e38a2e039b35] iommufd: Document overview of iommufd

testing commit 658234de0d2ed3a1b86d793f4772e38a2e039b35 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 21aec12cb41fb086cbd026be6b1ca04aaa1b5f0c65c137a45d3b9f33580da359
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 658234de0d2ed3a1b86d793f4772e38a2e039b35
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[0d8227b622f3529661ad6a9702a52932e149a30d] vfio: Use IOMMU_CAP_ENFORCE_CACHE_COHERENCY for vfio_file_enforced_coherent()

testing commit 0d8227b622f3529661ad6a9702a52932e149a30d gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: cc0c1f0202e6fccd3b6082d2c80bc8852ce93c55d962fa373ec64a5bc0fa5064
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 0d8227b622f3529661ad6a9702a52932e149a30d
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[51fe6141f0f64ae0bbc096a41a07572273e8c0ef] iommufd: Data structure to provide IOVA to PFN mapping

testing commit 51fe6141f0f64ae0bbc096a41a07572273e8c0ef gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 5068e81494219ced7f6efd61710f669f4e2fb3de3f73be3fd4b08e0e3f3ad8db
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 51fe6141f0f64ae0bbc096a41a07572273e8c0ef
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[04f930c3e44bb9010bba8521f970d00d95a94eb0] vfio: Rename vfio_device_assign/unassign_container()

testing commit 04f930c3e44bb9010bba8521f970d00d95a94eb0 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: bfe599bd90c06aaea8ddc5868aa1c0a788c906cc986155a9c6112ad7690c3765
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 04f930c3e44bb9010bba8521f970d00d95a94eb0
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[2ff4bed7fee72ba1abfcff5f11ae8f8e570353f2] iommufd: File descriptor, context, kconfig and makefiles

testing commit 2ff4bed7fee72ba1abfcff5f11ae8f8e570353f2 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8f1551a8239436d313494085a9b2b74def68325a5859cdff684617e5d4c3dfcc
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 2ff4bed7fee72ba1abfcff5f11ae8f8e570353f2
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[bab6fabc01d99c7e0293807e835231740379b692] vfio: Move vfio_device_assign_container() into vfio_device_first_open()

testing commit bab6fabc01d99c7e0293807e835231740379b692 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c067a323b9c74feeea8499564c6fd186b9fa4ca012b2ab1f513aa34dc10e7447
all runs: boot failed: WARNING in genl_register_family
# git bisect skip bab6fabc01d99c7e0293807e835231740379b692
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[ce5a23c835aa0f0a931b5bcde1e7811f951b0146] kernel/user: Allow user_struct::locked_vm to be usable for iommufd

revisions tested: 27, total time: 8h14m17.197509034s (build: 4h28m43.288097171s, test: 3h41m58.073268035s)
error: bisection is taking too long (>8h0m0s), aborting