bisecting cause commit starting from e69ec487b2c7c82ef99b4b15122f58a2a99289a3 building syzkaller on 4de4e9f01d7139b72102ae0b8a1e810730467774 testing commit e69ec487b2c7c82ef99b4b15122f58a2a99289a3 with gcc (GCC) 8.1.0 kernel signature: 68112b9236b6a621cfb10dd9e25030067eb27bdc run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #9: crashed: INFO: rcu detected stall in corrupted testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: 85cc42fe94b9e8913920339752d16c2b58b7a7cf run #0: crashed: BUG: unable to handle kernel paging request in srcu_invoke_callbacks run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #9: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: 671904e741f0a3f38dc456d95a61b70dbb016944 run #0: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #3: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #4: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 kernel signature: 463b6264d83ea05c977e174a80aad14bacb6e6b2 all runs: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: 81846145787e11d08b001380cad4bfab887e36f0 run #0: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #3: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #9: crashed: INFO: rcu detected stall in corrupted testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: e1e38e6e6763800509da3b8bab3cf06d04eb1c6a run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #9: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: 47b4fb62dd241f5e016fb8c1a0446290130c34b8 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #3: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #4: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #9: crashed: INFO: rcu detected stall in corrupted testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: 09f5fa3d884653ba59cc130f15d16d3c74eba71e run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #3: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #4: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #9: crashed: INFO: rcu detected stall in corrupted testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: 9247f9d574518163763f84db337deb8df7074cc8 run #0: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #3: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #4: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: 783eddf029470e40daf2acb062aad723246730a6 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #9: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: a4fb162ed9f6c2ff4e9323e255e609b342b2ef06 run #0: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #1: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #3: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #4: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #9: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 kernel signature: de4e8b1594af2269415148f1070654c8b84ca047 run #0: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #3: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #4: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #5: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #6: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #7: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #8: crashed: INFO: rcu detected stall in kvm_vcpu_ioctl run #9: crashed: no output from test machine testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 kernel signature: 4689d7caaee2e0e0a18cdc73144fe47b392bb10a all runs: OK # git bisect start d8a5b80568a9cb66810e75b182018e9edb68e8ff bebc6082da0a9f5d47a1ea2edc099bf671058bd4 Bisecting: 8497 revisions left to test after this (roughly 13 steps) [5d352e69c60e54b5f04d6e337a1d2bf0dbf3d94a] Merge tag 'media/v4.15-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit 5d352e69c60e54b5f04d6e337a1d2bf0dbf3d94a with gcc (GCC) 8.1.0 kernel signature: 8df7e0fe40d794854d099e274ad0948a5a27552d all runs: OK # git bisect good 5d352e69c60e54b5f04d6e337a1d2bf0dbf3d94a Bisecting: 3900 revisions left to test after this (roughly 12 steps) [f6705bf959efac87bca76d40050d342f1d212587] Merge tag 'drm-for-v4.15-amd-dc' of git://people.freedesktop.org/~airlied/linux testing commit f6705bf959efac87bca76d40050d342f1d212587 with gcc (GCC) 8.1.0 kernel signature: 95dbcd25e7875231ecec156386e5b592c9b58553 run #0: crashed: WARNING in __x86_set_memory_region run #1: crashed: WARNING in __x86_set_memory_region run #2: crashed: WARNING in __x86_set_memory_region run #3: crashed: WARNING in __x86_set_memory_region run #4: crashed: WARNING in __x86_set_memory_region run #5: crashed: WARNING in __x86_set_memory_region run #6: crashed: WARNING in __x86_set_memory_region run #7: crashed: WARNING in __x86_set_memory_region run #8: OK run #9: OK # git bisect bad f6705bf959efac87bca76d40050d342f1d212587 Bisecting: 2234 revisions left to test after this (roughly 11 steps) [8c609698569578913ad40bb160b97c3f6cfa15ec] Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc testing commit 8c609698569578913ad40bb160b97c3f6cfa15ec with gcc (GCC) 8.1.0 kernel signature: 3e29e5d4d9d1ffcf1794d9c076a86d728a6b1cc2 run #0: crashed: WARNING in __x86_set_memory_region run #1: crashed: WARNING in __x86_set_memory_region run #2: crashed: WARNING in __x86_set_memory_region run #3: crashed: WARNING in __x86_set_memory_region run #4: crashed: WARNING in __x86_set_memory_region run #5: crashed: WARNING in __x86_set_memory_region run #6: crashed: WARNING in __x86_set_memory_region run #7: OK run #8: OK run #9: OK # git bisect bad 8c609698569578913ad40bb160b97c3f6cfa15ec Bisecting: 1174 revisions left to test after this (roughly 10 steps) [87331c83797b5d5763a82f09f26fbb6e1a7e6661] Merge tag 'drm-msm-next-2017-11-01' of git://people.freedesktop.org/~robclark/linux into drm-next testing commit 87331c83797b5d5763a82f09f26fbb6e1a7e6661 with gcc (GCC) 8.1.0 kernel signature: 269a0ac84dfdbcae875a677f9f544b964f724fe4 run #0: crashed: WARNING in __x86_set_memory_region run #1: crashed: WARNING in __x86_set_memory_region run #2: crashed: WARNING in __x86_set_memory_region run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 87331c83797b5d5763a82f09f26fbb6e1a7e6661 Bisecting: 593 revisions left to test after this (roughly 9 steps) [26eedf6daec4e7937c8f0f1dde5e9b8e3dcebfd3] drm/amdgpu: Fix extra call to amdgpu_ctx_put. testing commit 26eedf6daec4e7937c8f0f1dde5e9b8e3dcebfd3 with gcc (GCC) 8.1.0 kernel signature: 32ee23cfc6712e021198b5d89e97aeabfb751ce0 run #0: crashed: WARNING in __x86_set_memory_region run #1: crashed: WARNING in __x86_set_memory_region run #2: crashed: WARNING in __x86_set_memory_region run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 26eedf6daec4e7937c8f0f1dde5e9b8e3dcebfd3 Bisecting: 296 revisions left to test after this (roughly 8 steps) [648bc3574716400acc06f99915815f80d9563783] drm/ttm: add transparent huge page support for DMA allocations v2 testing commit 648bc3574716400acc06f99915815f80d9563783 with gcc (GCC) 8.1.0 kernel signature: a27ddf20b590afe412af51d963b943756bab4142 run #0: crashed: WARNING in __x86_set_memory_region run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 648bc3574716400acc06f99915815f80d9563783 Bisecting: 147 revisions left to test after this (roughly 7 steps) [cf2623d951c1c52923a776e01cf2e2afc9d042a0] drm/amd/powerplay: refine powerplay code for RV testing commit cf2623d951c1c52923a776e01cf2e2afc9d042a0 with gcc (GCC) 8.1.0 kernel signature: 597d2272f17d42d6f174c683358e4fd3e12df068 run #0: crashed: WARNING in __x86_set_memory_region run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad cf2623d951c1c52923a776e01cf2e2afc9d042a0 Bisecting: 73 revisions left to test after this (roughly 6 steps) [ae6d1416fa1624a6a2e4f2d392b3c0bdcc570712] drm/amd/amdgpu: Simplify gmc_v9_0_vm_fault_interrupt_state() testing commit ae6d1416fa1624a6a2e4f2d392b3c0bdcc570712 with gcc (GCC) 8.1.0 kernel signature: debb40dc4a4249ebd9ae4d3f7bdcddc0c3aef891 run #0: crashed: WARNING: suspicious RCU usage in kvm_dev_ioctl run #1: crashed: WARNING in __x86_set_memory_region run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad ae6d1416fa1624a6a2e4f2d392b3c0bdcc570712 Bisecting: 36 revisions left to test after this (roughly 5 steps) [ffe6d881e99413f3ebdfebf99570c2e840879e68] drm/amdgpu/gfx9: adjust mqd allocation size testing commit ffe6d881e99413f3ebdfebf99570c2e840879e68 with gcc (GCC) 8.1.0 kernel signature: 1b9d7e4436f75ef5f342810604f28d1d719029dc all runs: OK # git bisect good ffe6d881e99413f3ebdfebf99570c2e840879e68 Bisecting: 18 revisions left to test after this (roughly 4 steps) [fd8bf087dffc0bce047c5aea2afcb8f821e48db1] drm/amdgpu: bump version for support of local BOs testing commit fd8bf087dffc0bce047c5aea2afcb8f821e48db1 with gcc (GCC) 8.1.0 kernel signature: 1550e3d94cfb89cf5cc980dc34e393df074d33c6 run #0: crashed: WARNING: suspicious RCU usage in kvm_dev_ioctl run #1: crashed: WARNING in __x86_set_memory_region run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad fd8bf087dffc0bce047c5aea2afcb8f821e48db1 Bisecting: 8 revisions left to test after this (roughly 3 steps) [c5927537dd5706b17affa8aeea28c7b19c8fbb42] drm/amd: Remove null check before kfree testing commit c5927537dd5706b17affa8aeea28c7b19c8fbb42 with gcc (GCC) 8.1.0 kernel signature: 12394853ad2361de1c1b07ac1b1bd2c2560bee17 all runs: OK # git bisect good c5927537dd5706b17affa8aeea28c7b19c8fbb42 Bisecting: 4 revisions left to test after this (roughly 2 steps) [705e519e0ef1d1824c28ced3b1857a8608853dfb] drm/amdgpu: move hw generation check into amdgpu_doorbell_init v2 testing commit 705e519e0ef1d1824c28ced3b1857a8608853dfb with gcc (GCC) 8.1.0 kernel signature: 051551ee8b744f4a8912e4b465eed1e329bf5503 run #0: crashed: WARNING: suspicious RCU usage in kvm_dev_ioctl run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 705e519e0ef1d1824c28ced3b1857a8608853dfb Bisecting: 1 revision left to test after this (roughly 1 step) [ea09729c930223edf492d0ca647c27e7eb0ccb12] drm/amdgpu: rework page directory filling v2 testing commit ea09729c930223edf492d0ca647c27e7eb0ccb12 with gcc (GCC) 8.1.0 kernel signature: 77d021a29cbced8d7875b4b418e572aee8778a9d run #0: crashed: WARNING in __x86_set_memory_region run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor214980411" "root@10.128.10.8:./syz-executor214980411"]: exit status 1 ssh: connect to host 10.128.10.8 port 22: Connection timed out lost connection run #9: OK # git bisect bad ea09729c930223edf492d0ca647c27e7eb0ccb12 Bisecting: 0 revisions left to test after this (roughly 0 steps) [ebe02de2c60caa3ee5a1b39c7c8b2a40e1fda2d8] drm/amd/powerplay/hwmgr: Remove null check before kfree testing commit ebe02de2c60caa3ee5a1b39c7c8b2a40e1fda2d8 with gcc (GCC) 8.1.0 kernel signature: 2d6ea3a962dafaab742d83b5502237ee0ccd9694 run #0: crashed: WARNING in __x86_set_memory_region run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad ebe02de2c60caa3ee5a1b39c7c8b2a40e1fda2d8 ebe02de2c60caa3ee5a1b39c7c8b2a40e1fda2d8 is the first bad commit commit ebe02de2c60caa3ee5a1b39c7c8b2a40e1fda2d8 Author: Himanshu Jha Date: Tue Aug 29 18:42:27 2017 +0530 drm/amd/powerplay/hwmgr: Remove null check before kfree kfree on NULL pointer is a no-op and therefore checking is redundant. Reviewed-by: Harry Wentland Reviewed-by: Rex Zhu Reviewed-by: Christian König Signed-off-by: Himanshu Jha Signed-off-by: Alex Deucher drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 6 +- .../gpu/drm/amd/powerplay/hwmgr/processpptables.c | 96 ++++++++-------------- drivers/gpu/drm/amd/powerplay/hwmgr/rv_hwmgr.c | 44 ++++------ drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 12 +-- 4 files changed, 53 insertions(+), 105 deletions(-) culprit signature: 2d6ea3a962dafaab742d83b5502237ee0ccd9694 parent signature: 12394853ad2361de1c1b07ac1b1bd2c2560bee17 revisions tested: 27, total time: 6h5m55.040290814s (build: 2h28m34.252537737s, test: 3h35m16.23224578s) first bad commit: ebe02de2c60caa3ee5a1b39c7c8b2a40e1fda2d8 drm/amd/powerplay/hwmgr: Remove null check before kfree cc: ["alexander.deucher@amd.com" "christian.koenig@amd.com" "harry.wentland@amd.com" "himanshujha199640@gmail.com" "rex.zhu@amd.com"] crash: WARNING in __x86_set_memory_region kobject: 'kvm' (ffff88012788d4d0): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff88012788d4d0): kobject_uevent_env kobject: 'kvm' (ffff88012788d4d0): fill_kobj_path: path = '/devices/virtual/misc/kvm' ------------[ cut here ]------------ WARNING: CPU: 0 PID: 14443 at arch/x86/kvm/x86.c:8156 __x86_set_memory_region+0x5cd/0x7b0 arch/x86/kvm/x86.c:8156 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 14443 Comm: syz-executor.1 Not tainted 4.13.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 panic+0x1a9/0x34e kernel/panic.c:180 __warn.cold.8+0x11a/0x156 kernel/panic.c:541 report_bug+0x1a3/0x227 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:190 [inline] do_trap_no_signal arch/x86/kernel/traps.c:224 [inline] do_trap+0x1ef/0x2d0 arch/x86/kernel/traps.c:273 do_error_trap+0x11f/0x390 arch/x86/kernel/traps.c:310 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:323 invalid_op+0x1e/0x30 arch/x86/entry/entry_64.S:846 RIP: 0010:__x86_set_memory_region+0x5cd/0x7b0 arch/x86/kvm/x86.c:8156 RSP: 0018:ffff8801098df1b0 EFLAGS: 00010286 RAX: 00000000fffffffc RBX: 00000000000101ff RCX: 1ffff10021e16d72 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000286 RBP: ffff8801098df2e8 R08: 0000000000000001 R09: 0000000000000000 R10: ffff88010f0b6bc8 R11: ffff88010f0b6300 R12: ffff8800ba924980 R13: ffff8801098df2c0 R14: ffff8801098df280 R15: 00007f9c4f25d000 x86_set_memory_region+0x38/0x60 arch/x86/kvm/x86.c:8168 kvm_arch_destroy_vm+0x731/0xa90 arch/x86/kvm/x86.c:8184 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:768 [inline] kvm_put_kvm+0x59a/0xd50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:789 kvm_vcpu_release+0x77/0xa0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2409 __fput+0x2cf/0x900 fs/file_table.c:210 ____fput+0x9/0x10 fs/file_table.c:246 task_work_run+0x14e/0x230 kernel/task_work.c:116 get_signal+0x1211/0x15f0 kernel/signal.c:2160 do_signal+0x94/0x2210 arch/x86/kernel/signal.c:808 exit_to_usermode_loop+0x1bc/0x280 arch/x86/entry/common.c:157 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline] syscall_return_slowpath+0x2cb/0x360 arch/x86/entry/common.c:263 entry_SYSCALL_64_fastpath+0xc0/0xc2 RIP: 0033:0x45af49 RSP: 002b:00007f9c4f23ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 000000000045af49 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9c4f23b6d4 R13: 00000000004c4905 R14: 00000000004db298 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..