bisecting cause commit starting from 7c8ca8129ee9724cb1527895fe6dec942ef07f19 building syzkaller on bd2a760b69f2df56a20577ba8c0665105766f3bd testing commit 7c8ca8129ee9724cb1527895fe6dec942ef07f19 with gcc (GCC) 8.1.0 kernel signature: 93ebc89aa22096de38b049c5e1948e8c813b69e7504718df766a7260a515d232 all runs: crashed: kernel BUG at include/linux/highmem.h:LINE! testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 8.1.0 kernel signature: a82b63d060ceb014a456a27cdef2f1ec1d15fc82de1427bc4784201d6479e67b all runs: OK # git bisect start 7c8ca8129ee9724cb1527895fe6dec942ef07f19 bbf5c979011a099af5dc76498918ed7df445635b Bisecting: 11201 revisions left to test after this (roughly 14 steps) [49dc6fbce33011733601e4e81c551e066f1682fc] Merge tag 'kgdb-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux testing commit 49dc6fbce33011733601e4e81c551e066f1682fc with gcc (GCC) 8.1.0 kernel signature: ce8ea1b7ea31644fcf1ba40afc1ed247f9ed23bf439675cc41a5152ef6bdbe39 all runs: OK # git bisect good 49dc6fbce33011733601e4e81c551e066f1682fc Bisecting: 5600 revisions left to test after this (roughly 13 steps) [bd644f61c7323181eaf72855baa4ec76ad15d7a3] Merge remote-tracking branch 'mvebu/for-next' into master testing commit bd644f61c7323181eaf72855baa4ec76ad15d7a3 with gcc (GCC) 8.1.0 kernel signature: 1b3b1d26d071d3ddc02d0220e201f851d00d9c6af257eaf78e8d6fb467107399 all runs: OK # git bisect good bd644f61c7323181eaf72855baa4ec76ad15d7a3 Bisecting: 2377 revisions left to test after this (roughly 12 steps) [f777d84e1bdfd1d4068394947a8e1bf35ff91850] Merge remote-tracking branch 'drm/drm-next' into master testing commit f777d84e1bdfd1d4068394947a8e1bf35ff91850 with gcc (GCC) 8.1.0 kernel signature: 8aac4d98967aea2b6824372c6bb362cf80d1d9de5e1e79a17427171068bb48fd all runs: OK # git bisect good f777d84e1bdfd1d4068394947a8e1bf35ff91850 Bisecting: 1119 revisions left to test after this (roughly 10 steps) [9b9dd344663d3c3245692b7fd9e083a9e5dfce92] Merge remote-tracking branch 'rcu/rcu/next' into master testing commit 9b9dd344663d3c3245692b7fd9e083a9e5dfce92 with gcc (GCC) 8.1.0 kernel signature: ec0bfc9af9749fb0ea6446a1d1c49cc2553c61c1970beeee06f385fb41668965 all runs: OK # git bisect good 9b9dd344663d3c3245692b7fd9e083a9e5dfce92 Bisecting: 565 revisions left to test after this (roughly 9 steps) [24dcfd50db66569c52f9c4450ddba04c3ebd89f0] Merge remote-tracking branch 'pinctrl-samsung/for-next' into master testing commit 24dcfd50db66569c52f9c4450ddba04c3ebd89f0 with gcc (GCC) 8.1.0 kernel signature: 022002ce5b72d93ad2b4a161158a0b3d3eadf84bdb9111e3fbdbe7d3c20e5b95 all runs: OK # git bisect good 24dcfd50db66569c52f9c4450ddba04c3ebd89f0 Bisecting: 282 revisions left to test after this (roughly 8 steps) [76e9eea400bf1ad27c7f175c5cbbc7c20a83737d] lib/lzo/lzo1x_compress.c: make lzogeneric1x_1_compress() static testing commit 76e9eea400bf1ad27c7f175c5cbbc7c20a83737d with gcc (GCC) 8.1.0 kernel signature: 1a00c9147a30bcd7f194007818d988ba6c80e255dc92eefe244d2a70b0678e1b all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 76e9eea400bf1ad27c7f175c5cbbc7c20a83737d Bisecting: 282 revisions left to test after this (roughly 8 steps) [e92e24588cae02c974c6df07b075fcb377659c1a] iomap: use mapping_seek_hole_data testing commit e92e24588cae02c974c6df07b075fcb377659c1a with gcc (GCC) 8.1.0 kernel signature: 4e7a708de5cd52257fd8dcd53327af86b2849e5c9ff1ce4a51577629603ccca3 all runs: boot failed: WARNING in ___slab_alloc # git bisect skip e92e24588cae02c974c6df07b075fcb377659c1a Bisecting: 282 revisions left to test after this (roughly 8 steps) [0d14de5ef1b41fc898bb26fde19a4d17521cb49b] pwm: bcm-kona: Convert to devm_platform_ioremap_resource() testing commit 0d14de5ef1b41fc898bb26fde19a4d17521cb49b with gcc (GCC) 8.1.0 kernel signature: 7cc1be0a38bd7a9d9d635620de709c6cadcaae31d39b195b47c59cccd64c5886 all runs: OK # git bisect good 0d14de5ef1b41fc898bb26fde19a4d17521cb49b Bisecting: 276 revisions left to test after this (roughly 8 steps) [4a6ee3e9a369a0cd6cd8b6d2d74dd547b93d32b3] kernel/resource.c: fix kernel-doc markups testing commit 4a6ee3e9a369a0cd6cd8b6d2d74dd547b93d32b3 with gcc (GCC) 8.1.0 kernel signature: b1232c815cb88ce9ec89748189b170030c3c1c90d5b55b4920b805b4f59ae92a all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 4a6ee3e9a369a0cd6cd8b6d2d74dd547b93d32b3 Bisecting: 276 revisions left to test after this (roughly 8 steps) [df6535bf3077a9ab1bc79db44bd0eb5308a35523] lib/test_bitmap.c: add for_each_set_clump test cases testing commit df6535bf3077a9ab1bc79db44bd0eb5308a35523 with gcc (GCC) 8.1.0 kernel signature: e26c0e896edd42643ab94240055ab38984d22002c390950def69bd543631119e all runs: boot failed: WARNING in ___slab_alloc # git bisect skip df6535bf3077a9ab1bc79db44bd0eb5308a35523 Bisecting: 276 revisions left to test after this (roughly 8 steps) [59fc1e476962eff9ef259355a9daf912b563aac0] Merge branch 'for-5.10/flive-patching' into for-next testing commit 59fc1e476962eff9ef259355a9daf912b563aac0 with gcc (GCC) 8.1.0 kernel signature: e22f73964b95e8f8d375153df8ba08c4fb207c07d6ed106affcf86fc356c869a all runs: OK # git bisect good 59fc1e476962eff9ef259355a9daf912b563aac0 Bisecting: 257 revisions left to test after this (roughly 8 steps) [4f64da9e957b49613a2ec81feba20eaf4032f921] checkpatch: fix false positives in REPEATED_WORD warning testing commit 4f64da9e957b49613a2ec81feba20eaf4032f921 with gcc (GCC) 8.1.0 kernel signature: e26c0e896edd42643ab94240055ab38984d22002c390950def69bd543631119e all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 4f64da9e957b49613a2ec81feba20eaf4032f921 Bisecting: 257 revisions left to test after this (roughly 8 steps) [212c968dfcdf654fc81301aeaf237528123728ba] mm/shmem: use kmem_cache_zalloc in shmem_alloc_inode() testing commit 212c968dfcdf654fc81301aeaf237528123728ba with gcc (GCC) 8.1.0 kernel signature: 4ef6dc3d6e0d883c045ca2d9d58f7b910106983d7db0c89a2a3eae195f0338b6 all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 212c968dfcdf654fc81301aeaf237528123728ba Bisecting: 257 revisions left to test after this (roughly 8 steps) [5dc45eae8b9422e3b4b641e1f62138f1fb188987] checkpatch: update __attribute__((section("name"))) quote removal testing commit 5dc45eae8b9422e3b4b641e1f62138f1fb188987 with gcc (GCC) 8.1.0 kernel signature: e26c0e896edd42643ab94240055ab38984d22002c390950def69bd543631119e all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 5dc45eae8b9422e3b4b641e1f62138f1fb188987 Bisecting: 257 revisions left to test after this (roughly 8 steps) [c3054f9f5dbb5d0569e915a91a1b72120d858ad1] cgroup: remove obsoleted broken_hierarchy and warned_broken_hierarchy testing commit c3054f9f5dbb5d0569e915a91a1b72120d858ad1 with gcc (GCC) 8.1.0 kernel signature: 3a141fa4084cadde10cbd6e942871a9c2a3a396e0eb6c3560f2c147f31056352 all runs: boot failed: WARNING in ___slab_alloc # git bisect skip c3054f9f5dbb5d0569e915a91a1b72120d858ad1 Bisecting: 257 revisions left to test after this (roughly 8 steps) [b0aa0021d75b9412e9eaec8261a261a403a86c53] gpio: thunderx: utilize for_each_set_clump macro testing commit b0aa0021d75b9412e9eaec8261a261a403a86c53 with gcc (GCC) 8.1.0 kernel signature: e26c0e896edd42643ab94240055ab38984d22002c390950def69bd543631119e all runs: boot failed: WARNING in ___slab_alloc # git bisect skip b0aa0021d75b9412e9eaec8261a261a403a86c53 Bisecting: 257 revisions left to test after this (roughly 8 steps) [ebeb1e1d865498f3d7f6b063fcba21929d19ad0d] mm/mlock: remove __munlock_isolate_lru_page() testing commit ebeb1e1d865498f3d7f6b063fcba21929d19ad0d with gcc (GCC) 8.1.0 kernel signature: 7beb5719fe731dd76e2aa23279f9741d5a0c788befe28cd1320a0507066f1cab all runs: boot failed: WARNING in ___slab_alloc # git bisect skip ebeb1e1d865498f3d7f6b063fcba21929d19ad0d Bisecting: 257 revisions left to test after this (roughly 8 steps) [326ad55f87dbbbba88412efb45edac2220eba2c0] checkpatch: add new exception to repeated word check testing commit 326ad55f87dbbbba88412efb45edac2220eba2c0 with gcc (GCC) 8.1.0 kernel signature: e26c0e896edd42643ab94240055ab38984d22002c390950def69bd543631119e all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 326ad55f87dbbbba88412efb45edac2220eba2c0 Bisecting: 257 revisions left to test after this (roughly 8 steps) [06ffe51a3990d875cabf08c9b01862bb78888a12] Merge remote-tracking branch 'slimbus/for-next' into master testing commit 06ffe51a3990d875cabf08c9b01862bb78888a12 with gcc (GCC) 8.1.0 kernel signature: 1f6b14256a6e41e140e96ae41dd7b2efe9e16ed3213ab4d56dfbdc35c31b3de9 all runs: OK # git bisect good 06ffe51a3990d875cabf08c9b01862bb78888a12 Bisecting: 205 revisions left to test after this (roughly 8 steps) [1b70a2f8cf5437c391424cccf4f3471d74a037ee] mm: use sysfs_emit for struct kobject * uses testing commit 1b70a2f8cf5437c391424cccf4f3471d74a037ee with gcc (GCC) 8.1.0 kernel signature: 5c399b77c81f9f67e096dcb50175e74cf69f4a76244fdfb3540121eb914b4d0d all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 1b70a2f8cf5437c391424cccf4f3471d74a037ee Bisecting: 205 revisions left to test after this (roughly 8 steps) [f79b0317082c31c9e04a14123acf9a751b6ed14b] mm: fix kernel-doc markups testing commit f79b0317082c31c9e04a14123acf9a751b6ed14b with gcc (GCC) 8.1.0 kernel signature: c2770d9a208ed54ddf0665146e880e396d800934d275c06933f93f34bc87fd3f all runs: boot failed: WARNING in ___slab_alloc # git bisect skip f79b0317082c31c9e04a14123acf9a751b6ed14b Bisecting: 205 revisions left to test after this (roughly 8 steps) [495c75f422e1f79747f7f6e0344f871ddcce1851] alpha: switch from DISCONTIGMEM to SPARSEMEM testing commit 495c75f422e1f79747f7f6e0344f871ddcce1851 with gcc (GCC) 8.1.0 kernel signature: c812d55f57f92bb9db9d45363646eb0c646b12aed6c2559c5654567ddcb114ed all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 495c75f422e1f79747f7f6e0344f871ddcce1851 Bisecting: 205 revisions left to test after this (roughly 8 steps) [4bf2ada386d35399e08c7efdde4212902dba373a] mm: huge_memory: convert remaining use of sprintf to sysfs_emit and neatening testing commit 4bf2ada386d35399e08c7efdde4212902dba373a with gcc (GCC) 8.1.0 kernel signature: 17c3f0e9bccfbfd38b8f8bde49c2331d7e5a856f1094421bd9d60a9f45867b33 all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 4bf2ada386d35399e08c7efdde4212902dba373a Bisecting: 205 revisions left to test after this (roughly 8 steps) [d22ce0e65c2aae00b95e94a793f1b92494517e37] arm: remove CONFIG_ARCH_HAS_HOLES_MEMORYMODEL testing commit d22ce0e65c2aae00b95e94a793f1b92494517e37 with gcc (GCC) 8.1.0 kernel signature: 60ad8427fdf455375e2e7de471a326a04d301b10468054f6046aa5b62de21cf4 all runs: boot failed: WARNING in ___slab_alloc # git bisect skip d22ce0e65c2aae00b95e94a793f1b92494517e37 Bisecting: 205 revisions left to test after this (roughly 8 steps) [718e05ed92ecac0d9d3954bcc8064527c3ce7565] auxdisplay: Introduce hd44780_common.[ch] testing commit 718e05ed92ecac0d9d3954bcc8064527c3ce7565 with gcc (GCC) 8.1.0 kernel signature: 323cc9beb607dd81715eca0d906481201e30456884c050cbfb518f272bc61665 all runs: OK # git bisect good 718e05ed92ecac0d9d3954bcc8064527c3ce7565 Bisecting: 203 revisions left to test after this (roughly 8 steps) [a72f4f5028f46552de40102419ea465690b3c8d4] fpga: fpga-mgr: ice40-spi: Simplify registration testing commit a72f4f5028f46552de40102419ea465690b3c8d4 with gcc (GCC) 8.1.0 kernel signature: a69fdd9a1c553a4c4d89e2608ad657ae56cd5398d67540dc2513b8ef3d26cdc3 all runs: OK # git bisect good a72f4f5028f46552de40102419ea465690b3c8d4 Bisecting: 201 revisions left to test after this (roughly 8 steps) [2eb38f29473e5cbc15d2a79c864cfb4d5ab27298] zram: support page writeback testing commit 2eb38f29473e5cbc15d2a79c864cfb4d5ab27298 with gcc (GCC) 8.1.0 kernel signature: b522995190a5b612968f8ddeebd1561bd69a66e46e94f780c535f2c7e7e12422 all runs: boot failed: WARNING in ___slab_alloc # git bisect skip 2eb38f29473e5cbc15d2a79c864cfb4d5ab27298 Bisecting: 201 revisions left to test after this (roughly 8 steps) [a125d43e2cf9ce69d29acbda749c14ddf8b1eaa6] lib/cmdline_kunit: type of expected returned values should be int testing commit a125d43e2cf9ce69d29acbda749c14ddf8b1eaa6 with gcc (GCC) 8.1.0 kernel signature: 8416b3f841e91a3622882247935a0c063b7c72c79eb9525fa225dc07bfd1e924 all runs: boot failed: WARNING in ___slab_alloc # git bisect skip a125d43e2cf9ce69d29acbda749c14ddf8b1eaa6 Bisecting: 201 revisions left to test after this (roughly 8 steps) [cbadbf5a53b5ca892132ca91dc60b24c80dc6fa8] Merge branch 'dfl_modularization' into for-next testing commit cbadbf5a53b5ca892132ca91dc60b24c80dc6fa8 with gcc (GCC) 8.1.0 kernel signature: 4be74a757fdee69b4264ce6009e1c741876f3466fccbdf19be2c96e41b54286d all runs: OK # git bisect good cbadbf5a53b5ca892132ca91dc60b24c80dc6fa8 Bisecting: 195 revisions left to test after this (roughly 8 steps) [af9622bce98fb196d9c8f29523ecd012196fe0d2] mm-vmstat-fix-proc-sys-vm-stat_refresh-generating-false-warnings-fix testing commit af9622bce98fb196d9c8f29523ecd012196fe0d2 with gcc (GCC) 8.1.0 kernel signature: 8ea4dd11fad226ee556d19acd3a49114ec40c7bd7240446a787f19f5847b00e8 all runs: boot failed: WARNING in ___slab_alloc # git bisect skip af9622bce98fb196d9c8f29523ecd012196fe0d2 Bisecting: 195 revisions left to test after this (roughly 8 steps) [c93b0199dba0d7bf15798e2411880926d60fe38b] mm: remove pagevec_lookup_range_nr_tag() testing commit c93b0199dba0d7bf15798e2411880926d60fe38b with gcc (GCC) 8.1.0 kernel signature: d7aa854288845cba0cbe8ffd021d28b2990b215c70703ae1736d2cbf6c33ad9e run #0: crashed: BUG: sleeping function called from invalid context in sta_info_move_state 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 c93b0199dba0d7bf15798e2411880926d60fe38b Bisecting: 30 revisions left to test after this (roughly 5 steps) [4255bd1c84b0a6e9e55cc4f5c72b59fdec1ef1f2] edac: ghes: use krealloc_array() Reproducer flagged being flaky revisions tested: 33, total time: 8h2m26.086358432s (build: 2h32m17.744132166s, test: 5h26m52.930866001s) error: bisection is taking too long (>8h0m0s), aborting