bisecting cause commit starting from 28e8c4bc8eb483c22d977e147a0b98fc63efadf7 building syzkaller on 3d85f48c1449a8fe6db5cef827592f56ee6dcf26 testing commit 28e8c4bc8eb483c22d977e147a0b98fc63efadf7 with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in __smc_diag_dump run #1: crashed: general protection fault in __smc_diag_dump run #2: crashed: general protection fault in __smc_diag_dump run #3: crashed: general protection fault in __smc_diag_dump run #4: crashed: general protection fault in __smc_diag_dump run #5: crashed: general protection fault in __smc_diag_dump run #6: crashed: general protection fault in __smc_diag_dump run #7: crashed: general protection fault in __smc_diag_dump run #8: crashed: general protection fault in __smc_diag_dump run #9: crashed: KASAN: use-after-free Read in __smc_diag_dump testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in __smc_diag_dump run #1: crashed: general protection fault in __smc_diag_dump run #2: crashed: general protection fault in __smc_diag_dump run #3: crashed: general protection fault in __smc_diag_dump run #4: crashed: general protection fault in __smc_diag_dump run #5: crashed: general protection fault in __smc_diag_dump run #6: crashed: general protection fault in __smc_diag_dump run #7: crashed: general protection fault in __smc_diag_dump run #8: crashed: KASAN: use-after-free Read in __smc_diag_dump run #9: crashed: general protection fault in __smc_diag_dump testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in __smc_diag_dump run #1: crashed: general protection fault in __smc_diag_dump run #2: crashed: general protection fault in __smc_diag_dump run #3: crashed: KASAN: use-after-free Read in __smc_diag_dump run #4: crashed: general protection fault in __smc_diag_dump run #5: crashed: KASAN: use-after-free Read in __smc_diag_dump run #6: crashed: general protection fault in __smc_diag_dump run #7: crashed: general protection fault in __smc_diag_dump run #8: crashed: general protection fault in __smc_diag_dump run #9: crashed: general protection fault in __smc_diag_dump testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in __smc_diag_dump run #1: crashed: general protection fault in __smc_diag_dump run #2: crashed: general protection fault in __smc_diag_dump run #3: crashed: general protection fault in __smc_diag_dump run #4: crashed: general protection fault in __smc_diag_dump run #5: crashed: general protection fault in __smc_diag_dump run #6: crashed: KASAN: use-after-free Read in __smc_diag_dump run #7: crashed: general protection fault in __smc_diag_dump run #8: crashed: general protection fault in __smc_diag_dump run #9: crashed: KASAN: use-after-free Read in __smc_diag_dump testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in __smc_diag_dump run #1: crashed: general protection fault in __smc_diag_dump run #2: crashed: general protection fault in __smc_diag_dump run #3: crashed: KASAN: use-after-free Read in __smc_diag_dump run #4: crashed: general protection fault in __smc_diag_dump run #5: crashed: general protection fault in __smc_diag_dump run #6: crashed: general protection fault in __smc_diag_dump run #7: crashed: general protection fault in __smc_diag_dump run #8: crashed: general protection fault in __smc_diag_dump run #9: crashed: general protection fault in __smc_diag_dump testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 all runs: crashed: general protection fault in __smc_diag_dump testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in __smc_diag_dump run #1: crashed: KASAN: use-after-free Read in __smc_diag_dump run #2: crashed: general protection fault in __smc_diag_dump run #3: crashed: general protection fault in __smc_diag_dump run #4: crashed: general protection fault in __smc_diag_dump run #5: crashed: general protection fault in __smc_diag_dump run #6: crashed: general protection fault in __smc_diag_dump run #7: crashed: general protection fault in __smc_diag_dump run #8: crashed: general protection fault in __smc_diag_dump run #9: crashed: general protection fault in __smc_diag_dump testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in __smc_diag_dump run #1: crashed: general protection fault in __smc_diag_dump run #2: crashed: general protection fault in __smc_diag_dump run #3: crashed: KASAN: use-after-free Read in __smc_diag_dump run #4: crashed: general protection fault in __smc_diag_dump run #5: crashed: general protection fault in __smc_diag_dump run #6: crashed: general protection fault in __smc_diag_dump run #7: crashed: general protection fault in __smc_diag_dump run #8: crashed: general protection fault in __smc_diag_dump run #9: crashed: general protection fault in __smc_diag_dump testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 run #0: crashed: KASAN: use-after-free Read in __smc_diag_dump run #1: crashed: general protection fault in __smc_diag_dump run #2: crashed: general protection fault in __smc_diag_dump run #3: crashed: general protection fault in __smc_diag_dump run #4: crashed: general protection fault in __smc_diag_dump run #5: crashed: general protection fault in __smc_diag_dump run #6: crashed: general protection fault in __smc_diag_dump run #7: crashed: general protection fault in __smc_diag_dump run #8: crashed: general protection fault in __smc_diag_dump run #9: crashed: general protection fault in __smc_diag_dump testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 run #0: crashed: general protection fault in __smc_diag_dump run #1: crashed: general protection fault in __smc_diag_dump run #2: crashed: general protection fault in __smc_diag_dump run #3: crashed: general protection fault in __smc_diag_dump run #4: crashed: general protection fault in __smc_diag_dump run #5: crashed: KASAN: use-after-free Read in __smc_diag_dump run #6: crashed: general protection fault in __smc_diag_dump run #7: crashed: general protection fault in __smc_diag_dump run #8: crashed: general protection fault in __smc_diag_dump run #9: crashed: general protection fault in __smc_diag_dump testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0 all runs: OK # git bisect start v4.12 v4.11 Bisecting: 7831 revisions left to test after this (roughly 13 steps) [2bd80401743568ced7d303b008ae5298ce77e695] Merge tag 'gpio-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio testing commit 2bd80401743568ced7d303b008ae5298ce77e695 with gcc (GCC) 7.3.0 all runs: OK # git bisect good 2bd80401743568ced7d303b008ae5298ce77e695 Bisecting: 3830 revisions left to test after this (roughly 12 steps) [85d604902eb28eaea4f9e0f3a655ae986fa4bd2e] Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc testing commit 85d604902eb28eaea4f9e0f3a655ae986fa4bd2e with gcc (GCC) 7.3.0 all runs: OK # git bisect good 85d604902eb28eaea4f9e0f3a655ae986fa4bd2e Bisecting: 1914 revisions left to test after this (roughly 11 steps) [b16c4c48390eb14a1bb4a06702a8c65b837c4566] Merge branch 'mlxsw-fixes' testing commit b16c4c48390eb14a1bb4a06702a8c65b837c4566 with gcc (GCC) 7.3.0 all runs: OK # git bisect good b16c4c48390eb14a1bb4a06702a8c65b837c4566 Bisecting: 935 revisions left to test after this (roughly 10 steps) [b29794ec95c6856b316c2295904208bf11ffddd9] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit b29794ec95c6856b316c2295904208bf11ffddd9 with gcc (GCC) 7.3.0 all runs: OK # git bisect good b29794ec95c6856b316c2295904208bf11ffddd9 Bisecting: 459 revisions left to test after this (roughly 9 steps) [a090bd4ff8387c409732a8e059fbf264ea0bdd56] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit a090bd4ff8387c409732a8e059fbf264ea0bdd56 with gcc (GCC) 7.3.0 all runs: OK # git bisect good a090bd4ff8387c409732a8e059fbf264ea0bdd56 Bisecting: 229 revisions left to test after this (roughly 8 steps) [8d829b9bb878904f3419af8003176a12910b94e8] Merge branch 'for-linus' of git://git.kernel.dk/linux-block testing commit 8d829b9bb878904f3419af8003176a12910b94e8 with gcc (GCC) 7.3.0 all runs: OK # git bisect good 8d829b9bb878904f3419af8003176a12910b94e8 Bisecting: 114 revisions left to test after this (roughly 7 steps) [da8b14e45c8b8234cb9a609c947f7e4d15f8dbef] Merge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming testing commit da8b14e45c8b8234cb9a609c947f7e4d15f8dbef with gcc (GCC) 7.3.0 all runs: OK # git bisect good da8b14e45c8b8234cb9a609c947f7e4d15f8dbef Bisecting: 69 revisions left to test after this (roughly 6 steps) [d58299a478c416c0b48e4b31c6332fe7beb63000] sfc: fix attempt to translate invalid filter ID testing commit d58299a478c416c0b48e4b31c6332fe7beb63000 with gcc (GCC) 7.3.0 all runs: OK # git bisect good d58299a478c416c0b48e4b31c6332fe7beb63000 Bisecting: 35 revisions left to test after this (roughly 5 steps) [4adc6b9382d5a2c1f39fa44b1e6ff29467e844e5] Merge tag 'sound-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 4adc6b9382d5a2c1f39fa44b1e6ff29467e844e5 with gcc (GCC) 7.3.0 all runs: OK # git bisect good 4adc6b9382d5a2c1f39fa44b1e6ff29467e844e5 Bisecting: 16 revisions left to test after this (roughly 4 steps) [a527bf61404cd36fedd81dc165a03b6f5529092e] Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit a527bf61404cd36fedd81dc165a03b6f5529092e with gcc (GCC) 7.3.0 all runs: OK # git bisect good a527bf61404cd36fedd81dc165a03b6f5529092e Bisecting: 8 revisions left to test after this (roughly 3 steps) [3a61a54cd72c93afa3b7246e3ed06f26ed37fde7] Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm testing commit 3a61a54cd72c93afa3b7246e3ed06f26ed37fde7 with gcc (GCC) 7.3.0 all runs: OK # git bisect good 3a61a54cd72c93afa3b7246e3ed06f26ed37fde7 Bisecting: 4 revisions left to test after this (roughly 2 steps) [d8550860d910c6b7b70f830f59003b33daaa52c9] MIPS: Fix IRQ tracing & lockdep when rescheduling testing commit d8550860d910c6b7b70f830f59003b33daaa52c9 with gcc (GCC) 7.3.0 all runs: OK # git bisect good d8550860d910c6b7b70f830f59003b33daaa52c9 Bisecting: 2 revisions left to test after this (roughly 1 step) [854236363370995a609a10b03e35fd3dc5e9e4a1] MIPS: Avoid accidental raw backtrace testing commit 854236363370995a609a10b03e35fd3dc5e9e4a1 with gcc (GCC) 7.3.0 all runs: OK # git bisect good 854236363370995a609a10b03e35fd3dc5e9e4a1 Bisecting: 0 revisions left to test after this (roughly 1 step) [401e000ab90d7b81d8ea0735e3ff909548754876] moduleparam: fix doc: hwparam_irq configures an IRQ testing commit 401e000ab90d7b81d8ea0735e3ff909548754876 with gcc (GCC) 7.3.0 all runs: OK # git bisect good 401e000ab90d7b81d8ea0735e3ff909548754876 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c is the first bad commit commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c Author: Linus Torvalds Date: Sun Jul 2 16:07:02 2017 -0700 Linux 4.12 :100644 100644 6d8a984ed9c975e8867b151e8e6e9424f85dea87 283c6236438e09ea62455b0bd6a19c9cbdd2f835 M Makefile revisions tested: 25, total time: 5h50m3.86789243s (build: 2h9m10.714813492s, test: 3h33m55.969807597s) first bad commit: 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c Linux 4.12 cc: ["linux-kbuild@vger.kernel.org" "linux-kernel@vger.kernel.org" "mmarek@suse.com" "torvalds@linux-foundation.org" "yamada.masahiro@socionext.com"]