ci starts bisection 2023-06-26 17:30:43.395198322 +0000 UTC m=+3343.765715381
bisecting cause commit starting from a92b7d26c743b9dc06d520f863d624e94978a1d9
building syzkaller on 09ffe269727719aad37ea8145eb57fefb0097165
ensuring issue is reproducible on original commit a92b7d26c743b9dc06d520f863d624e94978a1d9

testing commit a92b7d26c743b9dc06d520f863d624e94978a1d9 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 990b1db5740b60c401984051a27f6f58821455b1e66a668c3aeee5ff2094f081
run #0: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #1: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #2: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #3: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #4: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #5: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #6: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #7: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #8: crashed: KASAN: slab-use-after-free Read in iommufd_access_unpin_pages
run #9: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #10: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #11: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #12: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #13: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #14: crashed: KASAN: slab-use-after-free Read in iommufd_access_unpin_pages
run #15: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #16: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #17: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #18: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #19: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
testing release v6.3
testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 7a557def2d7c084f6c97af4f0ca6c01ec20c140ab9c42e4876ed49f001c23e33
run #0: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #1: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #2: crashed: KASAN: slab-use-after-free Read in iommufd_access_unpin_pages
run #3: crashed: KASAN: slab-use-after-free Read in iommufd_access_unpin_pages
run #4: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #5: crashed: KASAN: slab-use-after-free Read in iommufd_access_unpin_pages
run #6: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #7: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #8: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
run #9: crashed: KASAN: slab-use-after-free Read in iopt_unmap_iova_range
testing release v6.2
testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 502047e316ea28c3b54c2d486d64b41b426d6a382d5f42fba9f2cef0fafd94e3
run #0: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #1: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #2: crashed: KASAN: use-after-free Read in iommufd_access_unpin_pages
run #3: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #4: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #5: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #6: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #7: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #8: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #9: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1fa45f7858ab6484b676fb051b2c1115f74f8feb15b8b5b152844a6871e27a3f
all runs: OK
too many neither good nor bad results, skipping this commit
# 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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d882ff8a789068c5dc79cbda462ba040f68d148d897fc895103d68ac5df1a172
all runs: OK
too many neither good nor bad results, skipping this commit
# 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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 709b340efb80fbeba641f565c3893a924f06172b6b211ba542050965a748f408
run #0: crashed: KASAN: use-after-free Read in iommufd_access_unpin_pages
run #1: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #2: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #3: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #4: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #5: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #6: crashed: KASAN: use-after-free Read in iommufd_access_unpin_pages
run #7: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #8: crashed: KASAN: use-after-free Read in iommufd_access_unpin_pages
run #9: crashed: KASAN: use-after-free Read in iommufd_access_unpin_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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f8dad487081c126ebca116abbbfb79a79f331cbdc4deb2e1f038098f7ccc09e4
all runs: OK
too many neither good nor bad results, skipping this commit
# 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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f35e486955afe03b3d667cab313943a38db644b7fc9debf2a48a92f93575d594
all runs: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
# 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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 33d72062a812c6dbdd842f4f7997f35ce17305dfbbf9e5e9ad25eb2a90e3dc0d
run #0: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #1: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #2: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #3: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #4: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #5: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #6: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #7: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #8: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #9: crashed: KASAN: use-after-free Read in iommufd_access_unpin_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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c63aef15614cc4248b4d82e41fc0303ae6e5af40daee8372830b4cd1fa6db2c8
all runs: OK
too many neither good nor bad results, skipping this commit
# 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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c662549a682c284313e81d9a3d9813338071b67799ff913803db35c5756ecf9c
all runs: OK
too many neither good nor bad results, skipping this commit
# 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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: eddcc2095225345776fa2dad5e112b219c1c3390d1cbc93784f9c6e68a665af6
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0d3c7fce046f0fc3061a516a540391685afba722e9b56cd98e625f40d192119b
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ac3808cf3f261e3e7ffad650e177ac4c8fae19eb879a09c62874b29a56b1e1b8
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 7475dbd7cf639b2c4376318435d8307f83e54475d76697dfd38497c9e6e34c6c
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1af057871be7ba09936677dc3aefb1d9abafdedf282335eab2b696256804d866
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b9343cb03280dab0c3df6fa746159c2fddb6a9f310e7dbc216ddeb5aefd7af71
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 5b5584affc9d14af3c7bb804efd9355796cbbe28eaaa91dbd918b399c57eb54a
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 641c2a9a24efef586c69d469775771bc25a82fa28e00f74911f02d02d653d094
run #0: crashed: KASAN: use-after-free Read in iommufd_access_unpin_pages
run #1: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #2: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #3: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #4: crashed: KASAN: use-after-free Read in iommufd_access_unpin_pages
run #5: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #6: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #7: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #8: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
run #9: crashed: KASAN: use-after-free Read in iopt_unmap_iova_range
# 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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: cc53939d0d8863132faec0604043ef85d1e218f2c8f81370cc3d71883e29159b
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9114f5cb040d0aca015186ce66dd99bb6f0d4cd59ec0e57c6e2a2aa28a0d6814
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ecac89032265d3c75ad00c1edf79f62aa5ff4217d031ff0b32b5b9ee1e543db0
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b6d00d89ad2741903547eba0b1644b642333408c14380e4d6f1850366b95c43e
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ab277571d7c53089f1e6cf6441e3f2b8554e6f3b72060953e1cfe5c20bc3ce4d
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ce02603631e3d587d4d9e71bfdc652edd9d5e657f0a7a5f917d09bc010629559
run #0: boot failed: can't ssh into the instance
run #1: boot failed: WARNING in genl_register_family
run #2: boot failed: WARNING in genl_register_family
run #3: boot failed: WARNING in genl_register_family
run #4: boot failed: WARNING in genl_register_family
run #5: boot failed: WARNING in genl_register_family
run #6: boot failed: WARNING in genl_register_family
run #7: boot failed: WARNING in genl_register_family
run #8: boot failed: WARNING in genl_register_family
run #9: 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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: a8d901845b5d726415979bdf05c533103cdba29a93543b76888348a21edb9934
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: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 806203d54cc2ab69dba872b2d524e6f68350bf13d1c6167cfcba474fb4dd2290
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

testing commit ce5a23c835aa0f0a931b5bcde1e7811f951b0146 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9a5c8bcc842bb36752b7af76c5082367ad14a513a72eb186a5b47b53ce4aad42
all runs: boot failed: WARNING in genl_register_family
# git bisect skip ce5a23c835aa0f0a931b5bcde1e7811f951b0146
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[4bb4211e48fbfb392bb07168b75b1a92832b62f5] iommu: Per-domain I/O page fault handling

testing commit 4bb4211e48fbfb392bb07168b75b1a92832b62f5 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: a2c91a9e94ed22ae82595f8521db219f7345e696bb2276c336ccf3dd80c976e7
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 4bb4211e48fbfb392bb07168b75b1a92832b62f5
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[aad37e71d5c4dc1d3c25734f0bcd51c324f94b5e] iommufd: IOCTLs for the io_pagetable

testing commit aad37e71d5c4dc1d3c25734f0bcd51c324f94b5e gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1fa1179996bd03808ac23ca7b2bb949160c71479c63570e86b842b4f156e1d32
all runs: boot failed: WARNING in genl_register_family
# git bisect skip aad37e71d5c4dc1d3c25734f0bcd51c324f94b5e
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[294aaccb50130f596943be892c5d3a3568b76c57] vfio: Move vfio_device driver open/close code to a function

testing commit 294aaccb50130f596943be892c5d3a3568b76c57 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 99cee7a5686b623315c5997140e043376662a7901a4883f81bb8df7afbae528e
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 294aaccb50130f596943be892c5d3a3568b76c57
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[8d160cd4d5066f864ec0f2c981470e55ac03ac27] iommufd: Algorithms for PFN storage

testing commit 8d160cd4d5066f864ec0f2c981470e55ac03ac27 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9327c0a53f65cf3ea204634393e1a616b2f9c88223bebaba5c0c16d8c5148f94
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 8d160cd4d5066f864ec0f2c981470e55ac03ac27
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[757636ed2607a3269cd2764e3e4a0480384c6c26] iommu: Rename iommu-sva-lib.{c,h}

testing commit 757636ed2607a3269cd2764e3e4a0480384c6c26 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 119de7416d0ee4e7e1d24dda7605b382cc56cc68d7e9833c8dc11bb9111441d2
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 757636ed2607a3269cd2764e3e4a0480384c6c26
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[632ce1377dbbdabff575d33bec9c79d75ef0395a] scripts/kernel-doc: support EXPORT_SYMBOL_NS_GPL() with -export

testing commit 632ce1377dbbdabff575d33bec9c79d75ef0395a gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c9028dfd0951a4126e9943daa7562d2e598794b672c54ca2fa417407a2bb6b5b
all runs: boot failed: WARNING in genl_register_family
# git bisect skip 632ce1377dbbdabff575d33bec9c79d75ef0395a
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[2a54e347d990574ceb047b71ea0b03979232b85e] vfio/ap: Validate iova during dma_unmap and trigger irq disable

revisions tested: 34, total time: 12h7m20.084348567s (build: 6h38m38.65858974s, test: 5h18m57.548142826s)
error: bisection is taking too long (>12h0m0s), aborting