bisecting cause commit starting from 454c576c3f5e51d60f00a4ac0dde07f4f9d70e9d building syzkaller on 6a81331a1d4c744da9204d02ec88d558f7eea9c9 testing commit 454c576c3f5e51d60f00a4ac0dde07f4f9d70e9d with gcc (GCC) 10.2.1 20210217 kernel signature: 44fae4a790f4a92799ed1d897d816c5af0849c8a4b92356deb41508b677804b5 all runs: crashed: unexpected kernel reboot testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b with gcc (GCC) 10.2.1 20210217 kernel signature: 0f3c1837f4dfe64969c4bc941acbd990cc700391e4774b889e5ff798e68c350c all runs: crashed: unexpected kernel reboot testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 with gcc (GCC) 10.2.1 20210217 kernel signature: 45351986ab4f7e2ffa588cbb8002553c0f0ffc0f4804c7e8ea1b1e1189dabf4b all runs: crashed: unexpected kernel reboot testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 10.2.1 20210217 kernel signature: ad0b0b6275b4c2025aff33985cc5dc977cd00c80a45c0b559be390554afd3106 all runs: crashed: unexpected kernel reboot testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.4.1 20210217 kernel signature: be3bf64685d71e06c920ec95ed5cadd9d0988b73683d12046579ee967c67df02 all runs: crashed: unexpected kernel reboot testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.4.1 20210217 kernel signature: 82224589df8468e91bb0a65ee3ae9007a07ca00d4aef33b388c095fe0639fdc5 all runs: crashed: unexpected kernel reboot testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.4.1 20210217 kernel signature: 5f1162f9ff6551d73fe13756d6bb60095ae747e14c3ebfe30b34b85fe7b2f1c8 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: boot failed: can't ssh into the instance # git bisect start 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 7111951b8d4973bda27ff663f2cf18b663d15b48 Bisecting: 7542 revisions left to test after this (roughly 13 steps) [50a5de895dbe5df947b3a695777db5b2c313e065] Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma testing commit 50a5de895dbe5df947b3a695777db5b2c313e065 with gcc (GCC) 8.4.1 20210217 kernel signature: 4b4a9d1e7ab5cad0571a8e1ea08c0a8192f6e987044b651ff2a93cf3c39f8ea0 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 50a5de895dbe5df947b3a695777db5b2c313e065 Bisecting: 7542 revisions left to test after this (roughly 13 steps) [422c032afcf57d5e8109a54912e22ffc53d99068] netfilter: flowtable: Use rw sem as flow block lock testing commit 422c032afcf57d5e8109a54912e22ffc53d99068 with gcc (GCC) 8.4.1 20210217 kernel signature: f74220d4ff580b7f1ddc99b4b4c3b7d7f8494c85bdc7c7fed0e983794545cf3d all runs: OK # git bisect good 422c032afcf57d5e8109a54912e22ffc53d99068 Bisecting: 6728 revisions left to test after this (roughly 13 steps) [8c1b724ddb218f221612d4c649bc9c7819d8d7a6] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm testing commit 8c1b724ddb218f221612d4c649bc9c7819d8d7a6 with gcc (GCC) 8.4.1 20210217 kernel signature: aa3672ceaeed1ca6f75e5edae2e7d7297d913296aef531762b53ffa99afafc22 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 8c1b724ddb218f221612d4c649bc9c7819d8d7a6 Bisecting: 6728 revisions left to test after this (roughly 13 steps) [88d7fcfa3b1fe670f0412b95be785aafca63352b] net: inet_csk: Fix so_reuseport bind-address cache in tb->fast* testing commit 88d7fcfa3b1fe670f0412b95be785aafca63352b with gcc (GCC) 8.4.1 20210217 kernel signature: 7fab75a9cf3c8d74685a62c92ca7886864f9a008feb2536634c350e2d2203913 all runs: crashed: unexpected kernel reboot # git bisect bad 88d7fcfa3b1fe670f0412b95be785aafca63352b Bisecting: 6383 revisions left to test after this (roughly 13 steps) [6cad420cc695867b4ca710bac21fde21a4102e4b] Merge branch 'akpm' (patches from Andrew) testing commit 6cad420cc695867b4ca710bac21fde21a4102e4b with gcc (GCC) 8.4.1 20210217 kernel signature: 344e9d3ab68b6d67b7a491d060bf9d80bff154ade4a62976fbbfdf64ff596f5e all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 6cad420cc695867b4ca710bac21fde21a4102e4b Bisecting: 6383 revisions left to test after this (roughly 13 steps) [77a36a3ab4ff17fad23831192e3694a3c5a1750d] HID: Add driver fixing Glorious PC Gaming Race mouse report descriptor testing commit 77a36a3ab4ff17fad23831192e3694a3c5a1750d with gcc (GCC) 8.4.1 20210217 kernel signature: 08aeaada723946a8d9df9d4be600a56c2f0aec9e09787303fb12367034bb0458 all runs: OK # git bisect good 77a36a3ab4ff17fad23831192e3694a3c5a1750d Bisecting: 6383 revisions left to test after this (roughly 13 steps) [8ec91c0fce1500306a858d0c35d1383fd9eb6ba6] Merge tag 'gpio-v5.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio testing commit 8ec91c0fce1500306a858d0c35d1383fd9eb6ba6 with gcc (GCC) 8.4.1 20210217 kernel signature: 43f298356e3268870a9c39cdb108279c48a4bbe6c604a43403c5d557ee255b87 run #0: crashed: unexpected kernel reboot run #1: crashed: unexpected kernel reboot run #2: crashed: unexpected kernel reboot run #3: crashed: unexpected kernel reboot run #4: crashed: unexpected kernel reboot run #5: crashed: unexpected kernel reboot run #6: crashed: unexpected kernel reboot run #7: crashed: unexpected kernel reboot run #8: crashed: unexpected kernel reboot run #9: OK # git bisect bad 8ec91c0fce1500306a858d0c35d1383fd9eb6ba6 Bisecting: 6337 revisions left to test after this (roughly 13 steps) [7be97138e7276c71cc9ad1752dcb502d28f4400d] Merge tag 'xfs-5.7-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux testing commit 7be97138e7276c71cc9ad1752dcb502d28f4400d with gcc (GCC) 8.4.1 20210217 kernel signature: f5bff4ee44e339c9286486e9d31a6fd3214af3400fdbe28ff1a7b9237baf6d3c all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 7be97138e7276c71cc9ad1752dcb502d28f4400d Bisecting: 6337 revisions left to test after this (roughly 13 steps) [f5637d3b42ab0465ef71d5fb8461bce97fba95e8] mm/memory_hotplug: rename mhp_restrictions to mhp_params testing commit f5637d3b42ab0465ef71d5fb8461bce97fba95e8 with gcc (GCC) 8.4.1 20210217 kernel signature: aef4fdcb17b05cae446e867dbe05ead257460cbfca94e32af7b39da92f211b8c all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip f5637d3b42ab0465ef71d5fb8461bce97fba95e8 Bisecting: 6337 revisions left to test after this (roughly 13 steps) [1592c4b9935fa8a3b7c297955bb872a357e5a3b6] pinctrl: sprd: Add pin high impedance mode support testing commit 1592c4b9935fa8a3b7c297955bb872a357e5a3b6 with gcc (GCC) 8.4.1 20210217 kernel signature: 47919382c552faf32a5e305253056aa68e222b1a8ae5ad5916ca9f96caf72805 all runs: OK # git bisect good 1592c4b9935fa8a3b7c297955bb872a357e5a3b6 Bisecting: 6274 revisions left to test after this (roughly 13 steps) [763dafc520add02a1f4639b500c509acc0ea8e5b] audit: check the length of userspace generated audit records testing commit 763dafc520add02a1f4639b500c509acc0ea8e5b with gcc (GCC) 8.4.1 20210217 kernel signature: 5390dfc03233a0de42f8523399f8b7f9dd482dd49529fb7fd8c20c4b8dbbd862 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 763dafc520add02a1f4639b500c509acc0ea8e5b Bisecting: 6274 revisions left to test after this (roughly 13 steps) [377f16ac67237c8cda05daf363bcbea95212b000] xfs: factor out a xfs_attr_match helper testing commit 377f16ac67237c8cda05daf363bcbea95212b000 with gcc (GCC) 8.4.1 20210217 kernel signature: 960bb27eb0d06154161f0eaf27564892d0587343603c2bb4142511223cac4341 all runs: OK # git bisect good 377f16ac67237c8cda05daf363bcbea95212b000 Bisecting: 6274 revisions left to test after this (roughly 13 steps) [a72d2401f54b7db41c77ab971238a06eafe929fb] gfs2: Allow some glocks to be used during withdraw testing commit a72d2401f54b7db41c77ab971238a06eafe929fb with gcc (GCC) 8.4.1 20210217 kernel signature: 081dc3aba2d49c570e89a2ef70d2fd6005281bd59a4a8608ca775aa6f5e93475 all runs: OK # git bisect good a72d2401f54b7db41c77ab971238a06eafe929fb Bisecting: 6274 revisions left to test after this (roughly 13 steps) [5fc0df93fccd4dc8412bfc488ba4ba8268aa12dc] Merge v5.6 into drm-next testing commit 5fc0df93fccd4dc8412bfc488ba4ba8268aa12dc with gcc (GCC) 8.4.1 20210217 kernel signature: 7020e3230d38f994adb5d322cf01aa267c39760bbfe7d90a75a4dd77432d188d all runs: OK # git bisect good 5fc0df93fccd4dc8412bfc488ba4ba8268aa12dc Bisecting: 5319 revisions left to test after this (roughly 13 steps) [848960e576dafc8ed54c691b2f70b92e1fdea9ba] Merge tag 'sound-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 848960e576dafc8ed54c691b2f70b92e1fdea9ba with gcc (GCC) 8.4.1 20210217 kernel signature: e256bcb86422546cf81cc932791f71b2404bc27786bc5120cdff0c2e8814c882 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 848960e576dafc8ed54c691b2f70b92e1fdea9ba Bisecting: 5319 revisions left to test after this (roughly 13 steps) [2f5ab6225fa2bd1435a65e9a2c5503e5b5cf4b45] Merge tag 'docs-5.6-fixes' into docs-next testing commit 2f5ab6225fa2bd1435a65e9a2c5503e5b5cf4b45 with gcc (GCC) 8.4.1 20210217 kernel signature: 97249cc3e058d506aa274b422b735cb1cd8dfc6745e53cdc5aa3da1006771a46 all runs: OK # git bisect good 2f5ab6225fa2bd1435a65e9a2c5503e5b5cf4b45 Bisecting: 5319 revisions left to test after this (roughly 13 steps) [0830c0a4891f9de009dfaa585dfecefa4c67795b] Bluetooth: hci_h5: Move variable into local scope testing commit 0830c0a4891f9de009dfaa585dfecefa4c67795b with gcc (GCC) 8.4.1 20210217 kernel signature: 17855a102a8f7746183b6a3ee5ff78a1253b331a033cd2367b80c93e3ac0b58d all runs: OK # git bisect good 0830c0a4891f9de009dfaa585dfecefa4c67795b Bisecting: 5319 revisions left to test after this (roughly 13 steps) [7f218319caaaf6f2a43b22d8c82b898f32b4ec70] Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity testing commit 7f218319caaaf6f2a43b22d8c82b898f32b4ec70 with gcc (GCC) 8.4.1 20210217 kernel signature: ac0db66d375870554cf14f11c11781dd5f7738c91dabd0f8597f05f47c92616a all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 7f218319caaaf6f2a43b22d8c82b898f32b4ec70 Bisecting: 5319 revisions left to test after this (roughly 13 steps) [ec06dc15c358d3f41e9fd05872d772ed0f9fa32a] ASoC: dapm: select sleep_state when initializing PINCTRL widget testing commit ec06dc15c358d3f41e9fd05872d772ed0f9fa32a with gcc (GCC) 8.4.1 20210217 kernel signature: 5b90fd4fced6cfeb54544bb073c2893b52f5d9ad76aafdce73408f7949001440 all runs: OK # git bisect good ec06dc15c358d3f41e9fd05872d772ed0f9fa32a Bisecting: 5319 revisions left to test after this (roughly 12 steps) [d84edddc447df2d87e6ce9fbf94d95225504ab32] iommu/omap: Fix -Woverflow warnings when compiling on 64-bit architectures testing commit d84edddc447df2d87e6ce9fbf94d95225504ab32 with gcc (GCC) 8.4.1 20210217 kernel signature: 5e6f5ab0b154696ef0cf5ef4aeede79207d03ff3768b1a4730d6f6b0edaa2a07 all runs: OK # git bisect good d84edddc447df2d87e6ce9fbf94d95225504ab32 Bisecting: 5316 revisions left to test after this (roughly 12 steps) [a3434a497a2f33324e0f47bc1500a400959b4b25] ASoC: jz4740-i2s: Add support for the JZ4770 testing commit a3434a497a2f33324e0f47bc1500a400959b4b25 with gcc (GCC) 8.4.1 20210217 kernel signature: 636cd41ec2e07e09b875ba3a642d19c48872961273427976e56e0283e4f35301 all runs: OK # git bisect good a3434a497a2f33324e0f47bc1500a400959b4b25 Bisecting: 5316 revisions left to test after this (roughly 12 steps) [0be44352071dc87a4f9bf879642b1d44876971d9] KVM: x86/mmu: Reuse the current root if possible for fast switch testing commit 0be44352071dc87a4f9bf879642b1d44876971d9 with gcc (GCC) 8.4.1 20210217 kernel signature: 79a5934693af3a3dc9e6598f4f52e919a934d1f70193c0fc6f964ceb5a33189a all runs: OK # git bisect good 0be44352071dc87a4f9bf879642b1d44876971d9 Bisecting: 5279 revisions left to test after this (roughly 12 steps) [5c8db3eb381745c010ba746373a279e92502bdc8] Merge branch 'i2c/for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux testing commit 5c8db3eb381745c010ba746373a279e92502bdc8 with gcc (GCC) 8.4.1 20210217 kernel signature: 3ff70fd9f38754afd6d02cae28d57eda90634dddafa5c3b54112a2d01d0c14b8 all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip 5c8db3eb381745c010ba746373a279e92502bdc8 Bisecting: 5279 revisions left to test after this (roughly 12 steps) [4ed59504fbfbf3f9ceb957bc3a309bfd85f6cea3] net: ethernet: ti: ale: am65: add support for default thread cfg testing commit 4ed59504fbfbf3f9ceb957bc3a309bfd85f6cea3 with gcc (GCC) 8.4.1 20210217 kernel signature: 282dbe3c516a62cd83d4338071f06224391b3fa407f764cab063efd965a517f9 all runs: OK # git bisect good 4ed59504fbfbf3f9ceb957bc3a309bfd85f6cea3 Bisecting: 5081 revisions left to test after this (roughly 12 steps) [e109f506074152b7241bcbd3949a099e776cb802] Merge tag 'mtd/for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux testing commit e109f506074152b7241bcbd3949a099e776cb802 with gcc (GCC) 8.4.1 20210217 kernel signature: 55187c6f748211836bdb292f5b7169236293efc3a67d5b3164b10279571963fd all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1) # git bisect skip e109f506074152b7241bcbd3949a099e776cb802 Bisecting: 5081 revisions left to test after this (roughly 12 steps) [a5fb8b918920c6f7706a8b5b8ea535a7f077a7f6] drm/msm/a6xx: Use the DMA API for GMU memory objects revisions tested: 32, total time: 8h10m21.640283777s (build: 3h35m42.45416593s, test: 4h29m48.707690208s) error: bisection is taking too long (>8h0m0s), aborting