bisecting cause commit starting from b75dba7f472ca6c2dd0b8ee41f5a4b5a45539306 building syzkaller on 2ce644fcea660c78bc6a3ce7e05079a730743671 testing commit b75dba7f472ca6c2dd0b8ee41f5a4b5a45539306 with gcc (GCC) 10.2.1 20210217 kernel signature: d8237be919ffd5b64ea3bf83330d24ba480a6d13f48714a46eeb6739616c6e9d run #0: crashed: KASAN: use-after-free Read in em28xx_close_extension run #1: crashed: KASAN: use-after-free Read in em28xx_init_extension run #2: crashed: KASAN: use-after-free Read in em28xx_init_extension run #3: crashed: KASAN: use-after-free Read in em28xx_close_extension run #4: crashed: KASAN: use-after-free Read in em28xx_init_extension run #5: crashed: KASAN: use-after-free Read in em28xx_close_extension run #6: crashed: BUG: corrupted list in em28xx_close_extension run #7: crashed: BUG: corrupted list in em28xx_init_extension run #8: crashed: KASAN: use-after-free Read in em28xx_init_extension run #9: crashed: KASAN: use-after-free Read in em28xx_close_extension run #10: crashed: KASAN: use-after-free Read in em28xx_close_extension run #11: crashed: BUG: corrupted list in em28xx_close_extension run #12: crashed: BUG: corrupted list in em28xx_init_extension run #13: crashed: KASAN: use-after-free Read in em28xx_close_extension run #14: crashed: BUG: corrupted list in em28xx_close_extension run #15: crashed: KASAN: use-after-free Read in em28xx_close_extension run #16: crashed: KASAN: use-after-free Read in em28xx_close_extension run #17: crashed: KASAN: use-after-free Read in em28xx_init_extension run #18: crashed: KASAN: use-after-free Read in em28xx_close_extension run #19: crashed: KASAN: use-after-free Read in em28xx_close_extension testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 with gcc (GCC) 10.2.1 20210217 kernel signature: 023084790012a2dae24637c36cb931cab146c3de9ad59118796efbd7f8485088 run #0: crashed: KASAN: use-after-free Read in em28xx_init_extension run #1: crashed: KASAN: use-after-free Read in em28xx_init_extension run #2: crashed: KASAN: use-after-free Read in em28xx_close_extension run #3: crashed: BUG: corrupted list in em28xx_init_extension run #4: crashed: KASAN: use-after-free Read in em28xx_close_extension run #5: crashed: KASAN: use-after-free Read in em28xx_init_extension run #6: crashed: BUG: corrupted list in em28xx_close_extension run #7: crashed: BUG: corrupted list in em28xx_close_extension run #8: crashed: BUG: corrupted list in em28xx_close_extension run #9: crashed: KASAN: use-after-free Read in em28xx_close_extension testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 10.2.1 20210217 kernel signature: fd8adb4da0cb7aaf02efbf01b0e65caa24d5c450f9f93290c1188a5eaf2fbd53 run #0: crashed: KASAN: use-after-free Read in em28xx_close_extension run #1: crashed: KASAN: use-after-free Read in em28xx_close_extension run #2: crashed: KASAN: out-of-bounds Read in em28xx_init_extension run #3: crashed: KASAN: slab-out-of-bounds Read in em28xx_init_extension run #4: crashed: KASAN: use-after-free Read in em28xx_close_extension run #5: crashed: KASAN: use-after-free Read in em28xx_init_extension run #6: crashed: BUG: corrupted list in em28xx_close_extension run #7: crashed: KASAN: use-after-free Read in em28xx_close_extension run #8: crashed: BUG: corrupted list in em28xx_init_extension run #9: crashed: KASAN: use-after-free Read in em28xx_close_extension testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.4.1 20210217 kernel signature: bc15835df41e22b71ee025c396837d9813d60b777c72f202512d1172a53ddcef run #0: crashed: KASAN: use-after-free Read in em28xx_close_extension run #1: crashed: BUG: corrupted list in em28xx_close_extension run #2: crashed: KASAN: use-after-free Read in em28xx_init_extension run #3: crashed: KASAN: use-after-free Read in em28xx_close_extension run #4: crashed: BUG: corrupted list in em28xx_init_extension run #5: crashed: BUG: corrupted list in em28xx_init_extension run #6: crashed: BUG: corrupted list in em28xx_init_extension run #7: crashed: KASAN: use-after-free Read in em28xx_close_extension run #8: crashed: KASAN: use-after-free Read in em28xx_close_extension run #9: crashed: KASAN: use-after-free Read in em28xx_init_extension testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.4.1 20210217 kernel signature: b1c6b1d85af457a0b0dc2d9d092f5cc25cca921a7be4fa2a26887b6a8b7ea6b7 run #0: crashed: KASAN: use-after-free Read in em28xx_init_extension run #1: crashed: BUG: corrupted list in em28xx_close_extension run #2: crashed: KASAN: slab-out-of-bounds Read in em28xx_init_extension run #3: crashed: KASAN: use-after-free Read in em28xx_close_extension run #4: crashed: KASAN: use-after-free Read in em28xx_init_extension run #5: crashed: BUG: corrupted list in em28xx_close_extension run #6: crashed: BUG: corrupted list in em28xx_init_extension run #7: crashed: BUG: corrupted list in em28xx_init_extension run #8: crashed: KASAN: use-after-free Read in em28xx_close_extension run #9: crashed: KASAN: use-after-free Read in em28xx_close_extension testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.4.1 20210217 kernel signature: 4f807b324a7864428478741fb07e524a909538aab034f03c9042c733c6b7fa37 all runs: OK # 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: 66394c820dd42a8fc37bb24f90992b2e1d0b4b462cd431b2000fe0adaeb3ba82 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: bcbd740788a755250093d7a97eb2719942c4a8cccec31d961119db63a308ec81 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: 6a72d093fbf1822d4f175b2381a0f00b3d25759d9ad0c6d85f0b9e5182304ede 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: d0f3243d7ca8ff10a65e57f32be9373ec9b8cd75ff35b8561144f9bc9be7c59f run #0: crashed: BUG: corrupted list in em28xx_init_extension run #1: crashed: BUG: corrupted list in em28xx_init_extension run #2: crashed: KASAN: use-after-free Read in em28xx_init_extension run #3: crashed: KASAN: use-after-free Read in em28xx_init_extension run #4: crashed: KASAN: use-after-free Read in em28xx_close_extension run #5: crashed: BUG: corrupted list in em28xx_close_extension run #6: crashed: KASAN: use-after-free Read in em28xx_close_extension run #7: crashed: BUG: corrupted list in em28xx_init_extension run #8: crashed: KASAN: use-after-free Read in em28xx_init_extension run #9: crashed: KASAN: use-after-free Read in em28xx_init_extension # 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: b6aa7b0d171ce2375e99b26a3b408d35b04c721f7e585ead9e869af6fad0c618 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: 16321dad71384b8ea130500e8e490347e07dfed8260a923204bb5e3ab8a344db 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: 3b520a5f1f46c215bb1a5de6bbfed5ef8225ecc540f687a98319d2f4432a21b6 run #0: crashed: KASAN: use-after-free Read in em28xx_close_extension run #1: crashed: KASAN: use-after-free Read in em28xx_close_extension run #2: crashed: KASAN: use-after-free Read in em28xx_init_extension run #3: crashed: BUG: corrupted list in em28xx_init_extension run #4: crashed: KASAN: use-after-free Read in em28xx_close_extension run #5: crashed: KASAN: use-after-free Read in em28xx_close_extension run #6: crashed: KASAN: use-after-free Read in em28xx_close_extension run #7: crashed: KASAN: use-after-free Read in em28xx_close_extension run #8: crashed: BUG: corrupted list in em28xx_init_extension run #9: crashed: KASAN: use-after-free Read in em28xx_close_extension # 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: 9ea6e09efb672cd65ebb0cbd9051a0f89a5fd23eac66dc72ff383e2099f89dad 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: d8e854879347c58f870043e726136b7b5e7384cbcd76b1ba6df8c21801437253 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: 104555bfc48a5cb78d343f703f06eec31e6a50de140cb7da0b23f913deab8bcc 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: 7d020513607dff8a080aca78a52125936bfb4af521ba73d85af8aacf889799e5 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: f81efe8e83e7d947a2f7e2dc066f79537e0b9f1c0d6ba744ee448cb19695119d 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: f062129ff8d3f2abab4402dac1406662083d678e1f0757e20a45ddc7390d7ba7 run #0: boot failed: can't ssh into the instance 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 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: 6e93b95b945311c6e37ea7887df85faccd6b1df108c8ab08e0d50cd5a7609f94 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: 4aa24db9b4e8a8917864b8d91ca731ed1b05f40fb32879773cf9bb0dca30ea81 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: e7344630392f456b53dcf3df741692044bd9693e4a4d602d9b44605e633b2ea0 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: 919b1863fe340a7769a4b188902b76b6571ab00e5fa47e2793989813e73a79da 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: 26c225cf3b38800ef65bacb98637e69b8ee0be6494f87d7e5daf8939ce54db85 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: 3853a8cfd603c77df91e12e1e2186ad16320bcb57284f94a934cfad1c8a9bfce 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: caee1c7c3ec151f12948e3274433addc73eb6aa6a9e6d32c58b27eae0cbbf8db 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: 74a840d90dcd922e1e241627a68f476dceece242c1ccafed44afa09c352b6d74 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: 59f1f407831d136373da4782f385f8c6c4cae2c6cf4f23c937f86fd6642c6523 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: 7039b5be39833b8b9a721d09ef075887b801db20ba3e2d6b343497fb14793211 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: 63535a72623ce91b4b13b38474c68f9910190e0154b301ecdb2da9450f11d972 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 revisions tested: 30, total time: 8h5m24.466706706s (build: 3h26m8.159362289s, test: 4h34m17.793235554s) error: bisection is taking too long (>8h0m0s), aborting