bisecting cause commit starting from 02d5e016800d082058b3d3b7c3ede136cdc6ddcb building syzkaller on be530f6c7e0a2e1f66d03a5ad71d209302219d37 testing commit 02d5e016800d082058b3d3b7c3ede136cdc6ddcb compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ea45a2d4086f0666dfc4d043f5026db7f880532489be50fba9cabfcfc265206a run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #10: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #11: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #12: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #13: OK run #14: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #15: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #16: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #17: OK run #18: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #19: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8c219514f33cf5f7e995cffb6643e798eb9f0e406da2dbcbb7423680d5a3f503 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f0d89eb8f9d4c9864735171e2eb3e5feeaf7d26439e5a7bae1ef45fb8f9578ab run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f3685dd148c0d7f62ec2c26b6ccd338a86cdce80e434ce6a225cc94922f0c2db all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1f5c2551444cc5a9717d44acd7d59dea64de831f0ec6d140c76c393b1a8be7b9 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 6fadf1b92bad0f2eefaa047034d1044e5b34f9c1872d7811646aed5049f137a7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 79f11e7a8eed3e447672927cef5561c2ba920551ad72927757519c7fec1a8d58 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3a10be75bbfb45817efdf085ef0d7bb7934a9655779dbb5140e82be0f1d7e80e all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 6c15458155203600f9eead46349048b82bfa958d35a9c08152de83a646393e6d run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #7: OK run #8: OK run #9: OK testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 3ec8f747eafa1b5378a4cc37ea09f1a8798bfd8f4ee7c3e4b1f24c42b3888ba2 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 1e50721387abc6962be73a376a0e25993de05554e109369a0cf0059deb740472 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 9746f3b655633436e9e0647dfbf6f8cc6036487689cc04d539ee7143aa30fdd9 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 54920ccfe5023ac1310b5de92553c4d02e1b7ef19a40c59ae996f8f35d0795ad all runs: OK # git bisect start 219d54332a09e8d8741c1e1982f5eae56099de85 4d856f72c10ecb060868ed10ff1b1453943fc6c8 Bisecting: 7882 revisions left to test after this (roughly 13 steps) [a9f8b38a071b468276a243ea3ea5a0636e848cf2] Merge tag 'for-linus-5.4-1' of git://github.com/cminyard/linux-ipmi testing commit a9f8b38a071b468276a243ea3ea5a0636e848cf2 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 4a7bb487bb1c5e526c779c5f3a64fc5dfe5b71cb16ec5b3cbc2ef2127fff7850 failed: failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'disks/ci-upstream-kasan-gce-bisect-job-bisect-job-image.tar.gz' ForceSendFields:[] NullFields:[]}. # git bisect skip a9f8b38a071b468276a243ea3ea5a0636e848cf2 Bisecting: 7882 revisions left to test after this (roughly 13 steps) [e3a008ac1213d99f5f1210adc9d2a1f60da10c3b] Merge tag 'devicetree-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux testing commit e3a008ac1213d99f5f1210adc9d2a1f60da10c3b compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 4a7bb487bb1c5e526c779c5f3a64fc5dfe5b71cb16ec5b3cbc2ef2127fff7850 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #2: crashed: general protection fault in batadv_iv_ogm_queue_add run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad e3a008ac1213d99f5f1210adc9d2a1f60da10c3b Bisecting: 3895 revisions left to test after this (roughly 12 steps) [fe38bd6862074c0a2b9be7f31f043aaa70b2af5f] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm testing commit fe38bd6862074c0a2b9be7f31f043aaa70b2af5f compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: fb5d4a47dbb615c11cbf50b8c7c5f63881cfc723dea3e90da74132a290350a61 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit 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 run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad fe38bd6862074c0a2b9be7f31f043aaa70b2af5f Bisecting: 1970 revisions left to test after this (roughly 11 steps) [fc6fd1392a8f3d5f3d722ad9c92314477c1a2a35] Merge branch 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit fc6fd1392a8f3d5f3d722ad9c92314477c1a2a35 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: db5fea287e8c0304bc00e8e0268d26567c0da98944e82812f465bc0e42d96a77 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad fc6fd1392a8f3d5f3d722ad9c92314477c1a2a35 Bisecting: 1024 revisions left to test after this (roughly 10 steps) [d47ebd684229f0048be5def6027bfcfbfe2db0d6] Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit d47ebd684229f0048be5def6027bfcfbfe2db0d6 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 7b05fd2ef43c5a051613a7085d352d32af10ed8c70e8906f7bd68083e943c6bc all runs: OK # git bisect good d47ebd684229f0048be5def6027bfcfbfe2db0d6 Bisecting: 511 revisions left to test after this (roughly 9 steps) [a480222f4c7cdafad22540f44487f009e359dfb8] Merge branch 'core-headers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit a480222f4c7cdafad22540f44487f009e359dfb8 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: bd513cdaf62a5935d203c2e18ceaf943a728ac758da2ee81f27b8448eaeb60ea run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit 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 run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad a480222f4c7cdafad22540f44487f009e359dfb8 Bisecting: 250 revisions left to test after this (roughly 8 steps) [0c89d4dab3a574ddbda2bf84671cdc3e975a2a8d] Merge tag 'imx-bindings-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt testing commit 0c89d4dab3a574ddbda2bf84671cdc3e975a2a8d compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 66463e29b302401bfeb3705322984c9d1711f06d70fac21c0a37976963200327 run #0: crashed: general protection fault in batadv_iv_ogm_queue_add run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 0c89d4dab3a574ddbda2bf84671cdc3e975a2a8d Bisecting: 116 revisions left to test after this (roughly 7 steps) [1c92b32649f950c78c36d15b2e7ecbed1dcf024c] Merge tag 'amlogic-dt64' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/dt testing commit 1c92b32649f950c78c36d15b2e7ecbed1dcf024c compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 66463e29b302401bfeb3705322984c9d1711f06d70fac21c0a37976963200327 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit 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 run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 1c92b32649f950c78c36d15b2e7ecbed1dcf024c Bisecting: 74 revisions left to test after this (roughly 6 steps) [5ba78afff92a76270f9eddbf591108ae91f6f4cb] Merge tag 'samsung-dt-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/dt testing commit 5ba78afff92a76270f9eddbf591108ae91f6f4cb compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: aa031c3ae4cd9c2163d9d9080399635d5558347fe4ec6cafe5fb1ca7d2cbd5f1 all runs: OK # git bisect good 5ba78afff92a76270f9eddbf591108ae91f6f4cb Bisecting: 37 revisions left to test after this (roughly 5 steps) [2fd10e6d4eb77796e21aa1b1493b24198f660227] dt-bindings: arm: amlogic: add SM1 bindings testing commit 2fd10e6d4eb77796e21aa1b1493b24198f660227 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 70c77234571f571f17c09e0bbcf44668da0a3b5b00dce92e4d2d7196a21b2b3f all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 2fd10e6d4eb77796e21aa1b1493b24198f660227 Bisecting: 37 revisions left to test after this (roughly 5 steps) [effdd8a6b6ecb30b088f36ed0a1fb67cdc7610a9] dt-bindings: arm: amlogic: add SEI Robotics SEI610 bindings testing commit effdd8a6b6ecb30b088f36ed0a1fb67cdc7610a9 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 70c77234571f571f17c09e0bbcf44668da0a3b5b00dce92e4d2d7196a21b2b3f all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip effdd8a6b6ecb30b088f36ed0a1fb67cdc7610a9 Bisecting: 37 revisions left to test after this (roughly 5 steps) [4be247f79ff4e21ba2ae8f94e8a8b4d6956e6be6] arm64: dts: meson: add video decoder entries testing commit 4be247f79ff4e21ba2ae8f94e8a8b4d6956e6be6 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ec0b08043ddc2464c2ac4dfa094de5a88af5d199b40eee220757709c5a54057c all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 4be247f79ff4e21ba2ae8f94e8a8b4d6956e6be6 Bisecting: 37 revisions left to test after this (roughly 5 steps) [b6297d9e078a4127fb608ede4d0944855dde667d] clk: meson: g12a: fix hifi typo in mali parent_names testing commit b6297d9e078a4127fb608ede4d0944855dde667d compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ec0b08043ddc2464c2ac4dfa094de5a88af5d199b40eee220757709c5a54057c all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip b6297d9e078a4127fb608ede4d0944855dde667d Bisecting: 37 revisions left to test after this (roughly 5 steps) [4b5b85c0e6505c50d4a986f75effe5b88d923737] clk: meson: meson8b: migrate to the new parent description method testing commit 4b5b85c0e6505c50d4a986f75effe5b88d923737 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ec0b08043ddc2464c2ac4dfa094de5a88af5d199b40eee220757709c5a54057c all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 4b5b85c0e6505c50d4a986f75effe5b88d923737 Bisecting: 37 revisions left to test after this (roughly 5 steps) [4f0303d43973a4086d6355db0c653a5a369b5dbe] ARM: dts: meson8b: add ethernet fifo sizes testing commit 4f0303d43973a4086d6355db0c653a5a369b5dbe compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: ec0b08043ddc2464c2ac4dfa094de5a88af5d199b40eee220757709c5a54057c all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 4f0303d43973a4086d6355db0c653a5a369b5dbe Bisecting: 37 revisions left to test after this (roughly 5 steps) [3a36044e7f3909c7ddb7ddfc727ab8104a563439] clk: meson: clk-regmap: migrate to new parent description method Reproducer flagged being flaky revisions tested: 28, total time: 8h9m59.848624676s (build: 3h1m30.291090388s, test: 5h4m12.887331037s) error: bisection is taking too long (>8h0m0s), aborting