bisecting cause commit starting from 719bbd4a509f403f537adcaefd8ce17532be2e84 building syzkaller on fcc6d71be2c3ce7d9305c04fc2e87af554571bac testing commit 719bbd4a509f403f537adcaefd8ce17532be2e84 with gcc (GCC) 10.2.1 20210217 kernel signature: 60d5808334b784345c0c9385f0dfb822846573a6b6b92f48b2392d94c56b5c4c all runs: crashed: general protection fault in ftdi_sio_port_remove testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b with gcc (GCC) 10.2.1 20210217 kernel signature: 5f2af3a74c59565f4cfdc698bfdf35fed0e9380755adec8b727c0715f494a560 all runs: OK # git bisect start 719bbd4a509f403f537adcaefd8ce17532be2e84 f40ddce88593482919761f74910f42f4b84c004b Bisecting: 5503 revisions left to test after this (roughly 12 steps) [66f73fb3facd42d0a7c899d7f4c712332b28499a] Merge tag 'for-linus-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs testing commit 66f73fb3facd42d0a7c899d7f4c712332b28499a with gcc (GCC) 10.2.1 20210217 kernel signature: 8c37e02977c7f200a14d7a1dc5ecc8226970463a39ad56d1b146dc799fe371eb all runs: OK # git bisect good 66f73fb3facd42d0a7c899d7f4c712332b28499a Bisecting: 2758 revisions left to test after this (roughly 12 steps) [05a6fb94a6e1774eb529e1365ddc2783de614e88] Merge tag 'regmap-v5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap testing commit 05a6fb94a6e1774eb529e1365ddc2783de614e88 with gcc (GCC) 10.2.1 20210217 kernel signature: e93bfaadbba851a0933a6f3cc671bb959e078b2484d75ecdd297fdeb35e53d29 all runs: OK # git bisect good 05a6fb94a6e1774eb529e1365ddc2783de614e88 Bisecting: 1379 revisions left to test after this (roughly 11 steps) [20bf195e9391195925dac4a50e4c2c8165c1b9c5] Merge tag 'ceph-for-5.12-rc1' of git://github.com/ceph/ceph-client testing commit 20bf195e9391195925dac4a50e4c2c8165c1b9c5 with gcc (GCC) 10.2.1 20210217 kernel signature: 77207b9eea3b3cf1c99e03917a119c1fb6d02ea2e5a5ca5102ff7db4131e0714 all runs: OK # git bisect good 20bf195e9391195925dac4a50e4c2c8165c1b9c5 Bisecting: 695 revisions left to test after this (roughly 10 steps) [c3476d2f2b1dcda2f089412e5844bf4f93c19229] scripts/dtc: Add missing fdtoverlay to gitignore testing commit c3476d2f2b1dcda2f089412e5844bf4f93c19229 with gcc (GCC) 10.2.1 20210217 kernel signature: 1fe95ba8c83563d4efff987ca67cc40d56d67189a2de214a00fe3dd1374d3653 all runs: OK # git bisect good c3476d2f2b1dcda2f089412e5844bf4f93c19229 Bisecting: 368 revisions left to test after this (roughly 9 steps) [d19db80a366576d3ffadf2508ed876b4c1faf959] spmi: spmi-pmic-arb: Fix hw_irq overflow testing commit d19db80a366576d3ffadf2508ed876b4c1faf959 with gcc (GCC) 10.2.1 20210217 kernel signature: 00052f9f36d53687219cf882eec74cabcfb18d1945907386c79a15de40348b52 all runs: OK # git bisect good d19db80a366576d3ffadf2508ed876b4c1faf959 Bisecting: 184 revisions left to test after this (roughly 8 steps) [143983e585073f18fbe3b7d30ed0f92cfc218cef] Merge tag 'dmaengine-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine testing commit 143983e585073f18fbe3b7d30ed0f92cfc218cef with gcc (GCC) 10.2.1 20210217 kernel signature: 9f1c580e6907a4185c412b83a507701f87457ed22957f24fa13653271b49c50f all runs: OK # git bisect good 143983e585073f18fbe3b7d30ed0f92cfc218cef Bisecting: 86 revisions left to test after this (roughly 7 steps) [b817c931233b24129ac8d2c858669ee656a473dd] Merge tag 'mailbox-v5.12' of git://git.linaro.org/landing-teams/working/fujitsu/integration testing commit b817c931233b24129ac8d2c858669ee656a473dd with gcc (GCC) 10.2.1 20210217 kernel signature: 09ce7e4767c2ee647b1ca2d0f8123e1e73e5f28796a566659b8b7092609a49d9 run #0: crashed: SYZFAIL: wrong response packet 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 reproducer seems to be flaky # git bisect bad b817c931233b24129ac8d2c858669ee656a473dd Bisecting: 57 revisions left to test after this (roughly 6 steps) [414eece95b98b209cef0f49cfcac108fd00b8ced] Merge tag 'clang-lto-v5.12-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux testing commit 414eece95b98b209cef0f49cfcac108fd00b8ced with gcc (GCC) 10.2.1 20210217 kernel signature: 6a308098f9dad8ce6050b8c7faa4e1946817981c3c79fd8596ec4648509c89d0 all runs: OK # git bisect good 414eece95b98b209cef0f49cfcac108fd00b8ced Bisecting: 32 revisions left to test after this (roughly 5 steps) [b866bc5fe0f9626e557fc011048cdb1811451960] Merge tag 'nios2-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2 testing commit b866bc5fe0f9626e557fc011048cdb1811451960 with gcc (GCC) 10.2.1 20210217 kernel signature: c8cdc63769e3f2163c1e36b6d325eb155426bb80bd607edefe99f2680516fc2b all runs: OK # git bisect good b866bc5fe0f9626e557fc011048cdb1811451960 Bisecting: 11 revisions left to test after this (roughly 4 steps) [825d1508750c0cad13e5da564d47a6d59c7612d6] Merge tag 'cxl-for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm testing commit 825d1508750c0cad13e5da564d47a6d59c7612d6 with gcc (GCC) 10.2.1 20210217 kernel signature: 09ce7e4767c2ee647b1ca2d0f8123e1e73e5f28796a566659b8b7092609a49d9 all runs: OK # git bisect good 825d1508750c0cad13e5da564d47a6d59c7612d6 Bisecting: 5 revisions left to test after this (roughly 3 steps) [c319f78cba83bb0475cbcbf221492c651bd35b2b] mailbox: qcom: Add support for SDX55 APCS IPC testing commit c319f78cba83bb0475cbcbf221492c651bd35b2b with gcc (GCC) 10.2.1 20210217 kernel signature: 5fa115800b5c521e3cc5ab24a077f4e83af3767b719d42ffa3a0973c940f3725 all runs: OK # git bisect good c319f78cba83bb0475cbcbf221492c651bd35b2b Bisecting: 2 revisions left to test after this (roughly 2 steps) [4450f128c51160bfded6b483eba37d0628d7adb2] mailbox: sprd: correct definition of SPRD_OUTBOX_FIFO_FULL testing commit 4450f128c51160bfded6b483eba37d0628d7adb2 with gcc (GCC) 10.2.1 20210217 kernel signature: 5fa115800b5c521e3cc5ab24a077f4e83af3767b719d42ffa3a0973c940f3725 all runs: OK # git bisect good 4450f128c51160bfded6b483eba37d0628d7adb2 Bisecting: 0 revisions left to test after this (roughly 1 step) [6b50df2b8c208a04d44b8df5b7baaf668ceb8fc3] mailbox: arm_mhuv2: Skip calling kfree() with invalid pointer testing commit 6b50df2b8c208a04d44b8df5b7baaf668ceb8fc3 with gcc (GCC) 10.2.1 20210217 kernel signature: 5fa115800b5c521e3cc5ab24a077f4e83af3767b719d42ffa3a0973c940f3725 all runs: OK # git bisect good 6b50df2b8c208a04d44b8df5b7baaf668ceb8fc3 b817c931233b24129ac8d2c858669ee656a473dd is the first bad commit commit b817c931233b24129ac8d2c858669ee656a473dd Merge: 825d1508750c 6b50df2b8c20 Author: Linus Torvalds Date: Wed Feb 24 09:47:43 2021 -0800 Merge tag 'mailbox-v5.12' of git://git.linaro.org/landing-teams/working/fujitsu/integration Pull mailbox updates from Jassi Brar: - sprd: fix a macro value - omap: support for K3 AM64x - tegra: fix lockdep warnings - qcom: support for SDX55 and SC8180X - arm: fixes for sparse, kfree and void return * tag 'mailbox-v5.12' of git://git.linaro.org/landing-teams/working/fujitsu/integration: mailbox: arm_mhuv2: Skip calling kfree() with invalid pointer mailbox: tegra-hsp: Set lockdep class dynamically mailbox: sprd: correct definition of SPRD_OUTBOX_FIFO_FULL mailbox: arm_mhuv2: make remove callback return void mailbox: arm_mhuv2: Fix sparse warnings mailbox: qcom: Add support for SDX55 APCS IPC dt-bindings: mailbox: Add binding for SDX55 APCS mailbox: omap: Add support for K3 AM64x SoCs dt-bindings: mailbox: omap: Update binding for AM64x SoCs mailbox: qcom: Add SC8180X apcs compatible dt-bindings: mailbox: qcom: Add SC8180X APCS compatible .../devicetree/bindings/mailbox/omap-mailbox.txt | 4 +++ .../bindings/mailbox/qcom,apcs-kpss-global.yaml | 34 ++++++++++++++++++++++ drivers/mailbox/arm_mhuv2.c | 26 +++++++++-------- drivers/mailbox/omap-mailbox.c | 6 +++- drivers/mailbox/qcom-apcs-ipc-mailbox.c | 8 ++++- drivers/mailbox/sprd-mailbox.c | 2 +- drivers/mailbox/tegra-hsp.c | 15 ++++++++++ 7 files changed, 80 insertions(+), 15 deletions(-) Reproducer flagged being flaky revisions tested: 15, total time: 3h57m47.190838857s (build: 1h44m48.329039737s, test: 2h11m16.220289126s) first bad commit: b817c931233b24129ac8d2c858669ee656a473dd Merge tag 'mailbox-v5.12' of git://git.linaro.org/landing-teams/working/fujitsu/integration recipients (to): ["torvalds@linux-foundation.org"] recipients (cc): [] crash: SYZFAIL: wrong response packet 2021/02/25 10:49:05 result: hanged=false err=executor 2: failed to write control pipe: write |1: broken pipe (errno 16: Device or resource busy) SYZFAIL: wrong response packet loop exited with status 67 2021/02/25 10:49:05 executed programs: 6 2021/02/25 10:49:12 executed programs: 17