bisecting cause commit starting from fcadab740480e0e0e9fa9bd272acd409884d431a building syzkaller on 9602ddf403bdf3cfd87efef14becc76f9a38b81d testing commit fcadab740480e0e0e9fa9bd272acd409884d431a with gcc (GCC) 8.1.0 kernel signature: 206a7bfcc4012e4ba278ca2a39bd1cb32db580e7628bbd9233cbd135a8f89e19 all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: c49da015c0b9158ee7bd6afd0b42e8c995d904b49d095efedd18146a5d46156e all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: d5e5abb4fdf67d817bf164f354d5f3e42fcaa1f8be99062491af2f83f5ffe681 all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0 kernel signature: 141e7bd352556510ee2da7ae80e3e34173bc17479eea774d3185f4b09a7bad7a all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0 kernel signature: 90180835c13804e8d564c26751e6ea098ae021f7377e0d2f96037032e7c7bf44 all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: b10ee4f4dd2fcd6b254d9ad217b93063713257cb15ef90f7db95719a11bf7593 all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: 175b9d2cdd8bb6c51ade43294ff0b3b12523a31822ec5a0d1e601a52d17dd8d4 all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 kernel signature: 13d01be9c1b84ba1463ed41dad001ca16a7df5e3332a8d08e99dcb4bc7f441d8 all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: b0bce3201bac3ef26fa6cbb11ef5bc27658082e29618d519e67149639b5268ca all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: 670ea011176540f26fb2fcb9baf478a5ccc4955e04766a83aeeaf8e4ad45e17f all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: 905cbe38138ce1b6c5fa4d490eb2ea014cb6b5ca5a6b8b6394131284463a5a98 all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: 13e91dfe066e9d72a7cf310c344675d01229cb3bdbd95b44bf3d4d52da9d4e8b all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: db808cce93f81c2c60f5812dbe02b41960e700d23a122eec7819a56550febaa2 all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: ee193cc15160664842ae857b1dc2b271d3b7b1776c33d6ba5c2937eec0bd1612 all runs: crashed: WARNING in ieee80211_bss_info_change_notify testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: 279717e19af2ffad116772a50d940d5651e352e662859048ce6f4099d1a2e78f run #0: crashed: WARNING in ieee80211_rx_napi 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 testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 kernel signature: aaa2dc768a4f4a9f25f91507b7d199e6d8ff12694547a49a940d8bc12d7aeaf3 all runs: crashed: WARNING in check_flush_dependency testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 kernel signature: e2eef3e7975614da3369bdb3ce97dcb2610f2d63faff990201df410cfe34465c 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: a630e7dc2230a9cc12e7e49502f0691d81d53dc458a46f5d8a4d3a898c248637 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: 8ddf27b892c14bcad285bdae0c299e0d40b020110436838761ca0a124853ec37 all runs: OK # git bisect good f6705bf959efac87bca76d40050d342f1d212587 Bisecting: 1936 revisions left to test after this (roughly 11 steps) [4066aa72f9f2886105c6f747d7f9bd4f14f53c12] Merge tag 'drm-fixes-for-v4.15-rc3' of git://people.freedesktop.org/~airlied/linux testing commit 4066aa72f9f2886105c6f747d7f9bd4f14f53c12 with gcc (GCC) 8.1.0 kernel signature: d4887c6a3652e0cb1cc79dcb0adab476419acc31be836aee846cc7add3d61765 all runs: crashed: WARNING in ___ieee80211_stop_tx_ba_session # git bisect bad 4066aa72f9f2886105c6f747d7f9bd4f14f53c12 Bisecting: 981 revisions left to test after this (roughly 10 steps) [3d18cbb7fd0cfdf0b2ca18139950a4b0c1a0a220] rxrpc: Fix conn expiry timers testing commit 3d18cbb7fd0cfdf0b2ca18139950a4b0c1a0a220 with gcc (GCC) 8.1.0 kernel signature: 57766558f3c9fba34b7ca66c16732854d89f6e0ead27d7555176985c140fc1a0 run #0: OK 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: crashed: general protection fault in batadv_iv_ogm_queue_add # git bisect bad 3d18cbb7fd0cfdf0b2ca18139950a4b0c1a0a220 Bisecting: 508 revisions left to test after this (roughly 9 steps) [c131187db2d3fa2f8bf32fdf4e9a4ef805168467] bpf: fix branch pruning logic testing commit c131187db2d3fa2f8bf32fdf4e9a4ef805168467 with gcc (GCC) 8.1.0 kernel signature: 146801e972070ba70ddd2fcd802a73e4e55e5d315ab9e207b8f25b7e0dcdc1b8 all runs: OK # git bisect good c131187db2d3fa2f8bf32fdf4e9a4ef805168467 Bisecting: 253 revisions left to test after this (roughly 8 steps) [9ed33805cdf81eadcc6ef54a81a8448e80e19f54] Merge branch 'ipvlan-Fix-insufficient-skb-linear-check' testing commit 9ed33805cdf81eadcc6ef54a81a8448e80e19f54 with gcc (GCC) 8.1.0 kernel signature: ca36b0351d5ba69ce0b4440cb2d6d15e9418280519ca094d06d464841b2d5185 all runs: OK # git bisect good 9ed33805cdf81eadcc6ef54a81a8448e80e19f54 Bisecting: 105 revisions left to test after this (roughly 7 steps) [1b8c5cd890e274781a8ef61585ae03614be9ccd8] Merge tag 'rtc-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux testing commit 1b8c5cd890e274781a8ef61585ae03614be9ccd8 with gcc (GCC) 8.1.0 kernel signature: 39eb6c3ad7b60afc1c7dca146023d64b4b32dcca4855abe3e63b5fc3f2a607ad all runs: OK # git bisect good 1b8c5cd890e274781a8ef61585ae03614be9ccd8 Bisecting: 66 revisions left to test after this (roughly 6 steps) [98ecf1a308977505381b5c360b039a84cf67513c] dt-bindings: remove file that was added accidentally testing commit 98ecf1a308977505381b5c360b039a84cf67513c with gcc (GCC) 8.1.0 kernel signature: 6c0252a695cd7ae722b6d0ebed636e0c045be31d043e51f4a9fda7e06d4eccbb run #0: crashed: KASAN: use-after-free Read in fsnotify 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 98ecf1a308977505381b5c360b039a84cf67513c Bisecting: 19 revisions left to test after this (roughly 4 steps) [d5a480b44b189bad1d67df5d4c5ed9e6c750e8f2] drm/amdgpu: fix kernel hang when starting VNC server testing commit d5a480b44b189bad1d67df5d4c5ed9e6c750e8f2 with gcc (GCC) 8.1.0 kernel signature: ab4a990043e8ac0bade6a0055d9ebab66b8acc761fa8223353acf7e899403181 run #0: OK 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: crashed: unregister_netdevice: waiting for DEV to become free # git bisect bad d5a480b44b189bad1d67df5d4c5ed9e6c750e8f2 Bisecting: 9 revisions left to test after this (roughly 3 steps) [c5066129af4436ab0da8eefe4289774a5409706d] drm/amdgpu: Properly allocate VM invalidate eng v2 testing commit c5066129af4436ab0da8eefe4289774a5409706d with gcc (GCC) 8.1.0 kernel signature: 2c41f2e0f484630b74ab7cd569ff4f983ddf5a33dc9b7d4c7610bd92397205a6 all runs: OK # git bisect good c5066129af4436ab0da8eefe4289774a5409706d Bisecting: 4 revisions left to test after this (roughly 2 steps) [fd78e6af810377363a2b3439b942840fa4f4ea86] drm/amd/powerplay: fix unfreeze level smc message for smu7 testing commit fd78e6af810377363a2b3439b942840fa4f4ea86 with gcc (GCC) 8.1.0 kernel signature: 726ca2d793187ea4166bfef639992324ab67f5be47b52bac687d386fbe6b663a all runs: OK # git bisect good fd78e6af810377363a2b3439b942840fa4f4ea86 Bisecting: 2 revisions left to test after this (roughly 1 step) [18c437caa5b18a235dd65cec224eab54bebcee65] Revert "drm/radeon: dont switch vt on suspend" testing commit 18c437caa5b18a235dd65cec224eab54bebcee65 with gcc (GCC) 8.1.0 kernel signature: 6890ca2be3c7d0e89d92abc329565fcebae0eaf796cd5191fc1010b939ee6668 all runs: OK # git bisect good 18c437caa5b18a235dd65cec224eab54bebcee65 Bisecting: 0 revisions left to test after this (roughly 1 step) [135f971181d779c96ff3725c1a350a721785cc66] drm/amdgpu: don't skip attributes when powerplay is enabled testing commit 135f971181d779c96ff3725c1a350a721785cc66 with gcc (GCC) 8.1.0 kernel signature: 31ee6ecc59d9dd8512f0e48e1eecea6b7aa8d0525203fed6e36849a0c6b4f9d8 run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: crashed: general protection fault in batadv_iv_ogm_queue_add run #7: OK run #8: OK run #9: crashed: unregister_netdevice: waiting for DEV to become free # git bisect bad 135f971181d779c96ff3725c1a350a721785cc66 Bisecting: 0 revisions left to test after this (roughly 0 steps) [8d8258bdab735d9f3c4b78e091ecfbb2b2b1f2ca] drm/amd/pp: fix typecast error in powerplay. testing commit 8d8258bdab735d9f3c4b78e091ecfbb2b2b1f2ca with gcc (GCC) 8.1.0 kernel signature: 6a511f049919be409180037ebed814df796831721ad114148f0f1b79fb1dcefe all runs: OK # git bisect good 8d8258bdab735d9f3c4b78e091ecfbb2b2b1f2ca 135f971181d779c96ff3725c1a350a721785cc66 is the first bad commit commit 135f971181d779c96ff3725c1a350a721785cc66 Author: Alex Deucher Date: Mon Nov 20 17:49:53 2017 -0500 drm/amdgpu: don't skip attributes when powerplay is enabled The function checks non-powerplay structures so regressed when the pp_enabled check was removed. This should ideally be implemented similarly for powerplay. Fixes: 6d07fe7bcae57 ("drm/amdgpu: delete pp_enable in adev") Tested-by: Dieter Nützel Signed-off-by: Alex Deucher drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 4 ++++ 1 file changed, 4 insertions(+) culprit signature: 31ee6ecc59d9dd8512f0e48e1eecea6b7aa8d0525203fed6e36849a0c6b4f9d8 parent signature: 6a511f049919be409180037ebed814df796831721ad114148f0f1b79fb1dcefe revisions tested: 31, total time: 6h46m40.406164908s (build: 3h17m24.852276347s, test: 3h25m20.920375459s) first bad commit: 135f971181d779c96ff3725c1a350a721785cc66 drm/amdgpu: don't skip attributes when powerplay is enabled recipients (to): ["airlied@linux.ie" "alexander.deucher@amd.com" "alexander.deucher@amd.com" "amd-gfx@lists.freedesktop.org" "christian.koenig@amd.com" "dieter@nuetzel-hh.de" "dri-devel@lists.freedesktop.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: unregister_netdevice: waiting for DEV to become free team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves unregister_netdevice: waiting for veth1_macvtap to become free. Usage count = 2