bisecting cause commit starting from 0d5b8d7055652fd6b079671d00fa78fcd0e2cd7c building syzkaller on bd2a74a31f07d383be203bcd77dfbecbc1205dd3 testing commit 0d5b8d7055652fd6b079671d00fa78fcd0e2cd7c with gcc (GCC) 8.1.0 kernel signature: 62f82879915ecf178e5a26479f0990ca9812bafe188b789879cd2d43bb81f5ad run #0: crashed: possible deadlock in bond_get_stats run #1: crashed: possible deadlock in bond_get_stats run #2: crashed: possible deadlock in bond_get_stats run #3: crashed: possible deadlock in bond_get_stats run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0 kernel signature: 85c3e06171cc0a356bc746dc360cdb2810df84c192826ea90856b11a7b24ad0b run #0: crashed: possible deadlock in bond_get_stats run #1: crashed: possible deadlock in bond_get_stats run #2: crashed: possible deadlock in bond_get_stats run #3: crashed: possible deadlock in bond_get_stats run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: cf35e88aa2123d908d341773bf3ea5f97c9f32727a3929c413daa982dab9cdc7 run #0: crashed: possible deadlock in bond_get_stats run #1: crashed: possible deadlock in bond_get_stats run #2: crashed: possible deadlock in bond_get_stats run #3: crashed: possible deadlock in bond_get_stats run #4: crashed: possible deadlock in bond_get_stats run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: 3579b952c131ab027861c3d635d4b30d001f5733bc2a9034702054a7afbc81a9 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 with gcc (GCC) 8.1.0 kernel signature: c4f2a22bb1186432413399fff4141ff74b26b9d73723a76994b90da5a134136b run #0: crashed: possible deadlock in bond_get_stats run #1: crashed: possible deadlock in bond_get_stats run #2: crashed: possible deadlock in bond_get_stats run #3: crashed: possible deadlock in bond_get_stats run #4: crashed: possible deadlock in bond_get_stats run #5: crashed: possible deadlock in bond_get_stats run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad a9f8b38a071b468276a243ea3ea5a0636e848cf2 Bisecting: 3920 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 with gcc (GCC) 8.1.0 kernel signature: 693c245cda26a4774fdedb5234ecf6292e8b5f58de13c41f6b0a1032a56e8417 all runs: OK # git bisect good fe38bd6862074c0a2b9be7f31f043aaa70b2af5f Bisecting: 1962 revisions left to test after this (roughly 11 steps) [069841ef8293697e951c34f9a45601b77fb541d7] Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue testing commit 069841ef8293697e951c34f9a45601b77fb541d7 with gcc (GCC) 8.1.0 kernel signature: 29a51dfdad79e7e2b805a430899100baeaeb953b45dcad4ba9433e3590949607 run #0: crashed: possible deadlock in bond_get_stats run #1: crashed: possible deadlock in bond_get_stats run #2: crashed: possible deadlock in bond_get_stats run #3: crashed: possible deadlock in bond_get_stats run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 069841ef8293697e951c34f9a45601b77fb541d7 Bisecting: 978 revisions left to test after this (roughly 10 steps) [f33bf6b00f20c9d26c42dfdaf8b83c2b0c1e6f71] net: stmmac: dwmac-meson: use devm_platform_ioremap_resource() to simplify code testing commit f33bf6b00f20c9d26c42dfdaf8b83c2b0c1e6f71 with gcc (GCC) 8.1.0 kernel signature: 3521509da1c33da51cd3798043f6f1cd96407f4cfa15f021b0068b70b881fae0 run #0: crashed: possible deadlock in bond_get_stats run #1: crashed: possible deadlock in bond_get_stats run #2: crashed: possible deadlock in bond_get_stats run #3: crashed: possible deadlock in bond_get_stats run #4: crashed: possible deadlock in bond_get_stats run #5: crashed: possible deadlock in bond_get_stats run #6: crashed: possible deadlock in bond_get_stats run #7: crashed: possible deadlock in bond_get_stats run #8: crashed: possible deadlock in bond_get_stats run #9: OK # git bisect bad f33bf6b00f20c9d26c42dfdaf8b83c2b0c1e6f71 Bisecting: 489 revisions left to test after this (roughly 9 steps) [16e9b481e988b1f7e6df2243bb510e1c9b581272] nfp: no need to check return value of debugfs_create functions testing commit 16e9b481e988b1f7e6df2243bb510e1c9b581272 with gcc (GCC) 8.1.0 kernel signature: df96095bc907aeb62a2e98803bf7e411132dc00716c2dda9b718f1feb4f71c76 all runs: OK # git bisect good 16e9b481e988b1f7e6df2243bb510e1c9b581272 Bisecting: 244 revisions left to test after this (roughly 8 steps) [a4d2113e46c1d2ded1bfed9a19fe17b5ab2d584c] ipvlan: set hw_enc_features like macvlan testing commit a4d2113e46c1d2ded1bfed9a19fe17b5ab2d584c with gcc (GCC) 8.1.0 kernel signature: 370a6a3308e70c572505f9d650113b8772ca09a80c92c798dd85884c643634c3 run #0: crashed: possible deadlock in bond_get_stats run #1: crashed: possible deadlock in bond_get_stats run #2: crashed: possible deadlock in bond_get_stats run #3: crashed: possible deadlock in bond_get_stats run #4: crashed: possible deadlock in bond_get_stats run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad a4d2113e46c1d2ded1bfed9a19fe17b5ab2d584c Bisecting: 122 revisions left to test after this (roughly 7 steps) [043b8413e8c0c0ffbf8be268eb73716e05a96064] net: devlink: remove redundant rtnl lock assert testing commit 043b8413e8c0c0ffbf8be268eb73716e05a96064 with gcc (GCC) 8.1.0 kernel signature: ba5db1b3be620ccd63a734bd13bda17363b283f711f520c587f6186d01ec7914 all runs: OK # git bisect good 043b8413e8c0c0ffbf8be268eb73716e05a96064 Bisecting: 68 revisions left to test after this (roughly 6 steps) [8d73f8f23e6b869b726cb01dd4747f56dc88660a] page_pool: fix logic in __page_pool_get_cached testing commit 8d73f8f23e6b869b726cb01dd4747f56dc88660a with gcc (GCC) 8.1.0 kernel signature: 617238206dfbf2c99d5d839e5131b1102112c34f6725f3d8d18db0cfee7e4c8a run #0: crashed: possible deadlock in bond_get_stats run #1: crashed: possible deadlock in bond_get_stats run #2: crashed: possible deadlock in bond_get_stats run #3: crashed: possible deadlock in bond_get_stats run #4: crashed: possible deadlock in bond_get_stats run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 8d73f8f23e6b869b726cb01dd4747f56dc88660a Bisecting: 25 revisions left to test after this (roughly 5 steps) [c162610c7db2e9611a7b3ec806f9c97fcfec0b0b] Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next testing commit c162610c7db2e9611a7b3ec806f9c97fcfec0b0b with gcc (GCC) 8.1.0 kernel signature: cf02c6dad5afa8a3df344e83398e1f3ace08bb450dbfe707130fd0a76151620a run #0: crashed: possible deadlock in bond_get_stats run #1: crashed: possible deadlock in bond_get_stats run #2: crashed: possible deadlock in bond_get_stats run #3: crashed: possible deadlock in bond_get_stats run #4: crashed: possible deadlock in bond_get_stats run #5: crashed: possible deadlock in bond_get_stats run #6: crashed: possible deadlock in bond_get_stats run #7: OK run #8: OK run #9: OK # git bisect bad c162610c7db2e9611a7b3ec806f9c97fcfec0b0b Bisecting: 13 revisions left to test after this (roughly 4 steps) [2a475c409fe81a76fb26a6b023509d648237bbe6] kbuild: remove all netfilter headers from header-test blacklist. testing commit 2a475c409fe81a76fb26a6b023509d648237bbe6 with gcc (GCC) 8.1.0 kernel signature: dc213f317bf231fc406a8514586102b4514020588ddb6664e92d01f181e23c56 all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 2a475c409fe81a76fb26a6b023509d648237bbe6 Bisecting: 13 revisions left to test after this (roughly 4 steps) [65b27995a4ab8fc51b4adc6b4dcdca20f7a595bb] net: phy: let phy_speed_down/up support speeds >1Gbps testing commit 65b27995a4ab8fc51b4adc6b4dcdca20f7a595bb with gcc (GCC) 8.1.0 kernel signature: 5870075ef7d61bcbe98e79e87f005dab90d77d23c834893708c7de22dc9bdc6c all runs: OK # git bisect good 65b27995a4ab8fc51b4adc6b4dcdca20f7a595bb Bisecting: 11 revisions left to test after this (roughly 4 steps) [20a9379d9a03ee0712d225035308973ecc5f6783] netfilter: remove "#ifdef __KERNEL__" guards from some headers. testing commit 20a9379d9a03ee0712d225035308973ecc5f6783 with gcc (GCC) 8.1.0 kernel signature: b36e14b67c1a89e4b1268e718e0a5fe152a6bafeb1e9d14015cbd35372ad5972 all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 20a9379d9a03ee0712d225035308973ecc5f6783 Bisecting: 11 revisions left to test after this (roughly 4 steps) [1b90af292e71b20d03b837d39406acfbdc5d4b2a] ipvs: Improve robustness to the ipvs sysctl testing commit 1b90af292e71b20d03b837d39406acfbdc5d4b2a with gcc (GCC) 8.1.0 kernel signature: 8d8c93d4751376594dc844723c15871500d13ea2be7c375974aa7ea86d103c5b all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 1b90af292e71b20d03b837d39406acfbdc5d4b2a Bisecting: 11 revisions left to test after this (roughly 4 steps) [5785cf15fd74ec3b1a076fd39bc67382a8455fe7] netfilter: nf_tables: add missing prototypes. testing commit 5785cf15fd74ec3b1a076fd39bc67382a8455fe7 with gcc (GCC) 8.1.0 kernel signature: 72d6918157e9c89faa5b392f719b98ff86b235d5d7b8a3c62c8591d6794d261a all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 5785cf15fd74ec3b1a076fd39bc67382a8455fe7 Bisecting: 11 revisions left to test after this (roughly 4 steps) [d55d70894c6d4709b9ae61109a9fa7c319586b53] r8152: use alloc_pages for rx buffer testing commit d55d70894c6d4709b9ae61109a9fa7c319586b53 with gcc (GCC) 8.1.0 kernel signature: f718a80366cd48e71ca6e7aa49161b93d74637911043366c611a010aeda4cd58 all runs: OK # git bisect good d55d70894c6d4709b9ae61109a9fa7c319586b53 Bisecting: 9 revisions left to test after this (roughly 3 steps) [0abc8bf4f2842e409926096f0fa009b468cbd855] netfilter: add missing IS_ENABLED(CONFIG_NF_CONNTRACK) checks to some header-files. testing commit 0abc8bf4f2842e409926096f0fa009b468cbd855 with gcc (GCC) 8.1.0 kernel signature: 20bcbb76f18ea1afb14e7d72c91173f8cfec893b7af379c1a9c2fa295634c04d all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 0abc8bf4f2842e409926096f0fa009b468cbd855 Bisecting: 9 revisions left to test after this (roughly 3 steps) [78458e3e08cda2aacaec9fde8c295dfc2f88618a] netfilter: add missing IS_ENABLED(CONFIG_NETFILTER) checks to some header-files. testing commit 78458e3e08cda2aacaec9fde8c295dfc2f88618a with gcc (GCC) 8.1.0 kernel signature: 598d80011c2cd0dd00229ae730dce280f523bcb27e29314b7758a3581bd79e4a all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 78458e3e08cda2aacaec9fde8c295dfc2f88618a Bisecting: 9 revisions left to test after this (roughly 3 steps) [7e59b3fea2a2510b52761c20ccc71d3e9f6b7db8] netfilter: remove unnecessary spaces testing commit 7e59b3fea2a2510b52761c20ccc71d3e9f6b7db8 with gcc (GCC) 8.1.0 kernel signature: 121e2e1408d6f7f1ac134c6fb28f434661899ce7ea49f4c4bf77ec9166fd2937 all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 7e59b3fea2a2510b52761c20ccc71d3e9f6b7db8 Bisecting: 9 revisions left to test after this (roughly 3 steps) [47e640af2e492cc28778dd6f894d50313f7fba75] netfilter: add missing IS_ENABLED(CONFIG_NF_TABLES) check to header-file. testing commit 47e640af2e492cc28778dd6f894d50313f7fba75 with gcc (GCC) 8.1.0 kernel signature: c402394fe873f528d0e2ea350821c1725fe6231ad600adfbc007add6db4753e9 all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 47e640af2e492cc28778dd6f894d50313f7fba75 Bisecting: 9 revisions left to test after this (roughly 3 steps) [105333435b4f3b21ffc325f32fae17719310db64] netfilter: connlabels: prefer static lock initialiser testing commit 105333435b4f3b21ffc325f32fae17719310db64 with gcc (GCC) 8.1.0 kernel signature: 1904bab4486baf2c6fa15d591154a31e6dc8a3852a0e9492188f4c07eb6a56ce all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 105333435b4f3b21ffc325f32fae17719310db64 Bisecting: 9 revisions left to test after this (roughly 3 steps) [9211bfbff80a7604273086fec5685efcdc10be2b] netfilter: add missing IS_ENABLED(CONFIG_BRIDGE_NETFILTER) checks to header-file. testing commit 9211bfbff80a7604273086fec5685efcdc10be2b with gcc (GCC) 8.1.0 kernel signature: bd946df2cf65ca37440a53afd18089abde3fdf6fba4563f3593f2d5fb1165e4b all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 9211bfbff80a7604273086fec5685efcdc10be2b Bisecting: 9 revisions left to test after this (roughly 3 steps) [b753c5a7f99f390fc100de18647ce0dcacdceafc] Merge branch 'r8152-RX-improve' testing commit b753c5a7f99f390fc100de18647ce0dcacdceafc with gcc (GCC) 8.1.0 kernel signature: 4761921ae66857f45043cdb72bb71648681d83abac932cc8241a93797c7355dd all runs: OK # git bisect good b753c5a7f99f390fc100de18647ce0dcacdceafc Bisecting: 8 revisions left to test after this (roughly 3 steps) [a1b2f04ea527397fcacacd09e0d690927feef429] netfilter: add missing includes to a number of header-files. testing commit a1b2f04ea527397fcacacd09e0d690927feef429 with gcc (GCC) 8.1.0 kernel signature: 252a8e57bfe5bf1656d58897acf98edff3a33276cb05cd76a4752270c6e8b616 all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip a1b2f04ea527397fcacacd09e0d690927feef429 Bisecting: 8 revisions left to test after this (roughly 3 steps) [0a30ba509fdeea740bedb81ce3bee4f74a759654] netfilter: nf_nat_proto: make tables static testing commit 0a30ba509fdeea740bedb81ce3bee4f74a759654 with gcc (GCC) 8.1.0 kernel signature: 91b667f91344cefa56f11c7ee4d480e3aaa0838e4e3298f8563967a92bfa6f20 all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 0a30ba509fdeea740bedb81ce3bee4f74a759654 Bisecting: 8 revisions left to test after this (roughly 3 steps) [bd96b4c75675e616eefef6d85d163530eef9c5e5] netfilter: inline four headers files into another one. testing commit bd96b4c75675e616eefef6d85d163530eef9c5e5 with gcc (GCC) 8.1.0 kernel signature: 1e9f7bfb78d7599e53a96f893ce0c5108347b74a5e8c27c188a42f82ce15af83 all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip bd96b4c75675e616eefef6d85d163530eef9c5e5 Bisecting: 8 revisions left to test after this (roughly 3 steps) [bd8699e9e29287b5571b32b68c3dcd05985fa9b1] netfilter: nft_bitwise: add offload support testing commit bd8699e9e29287b5571b32b68c3dcd05985fa9b1 with gcc (GCC) 8.1.0 kernel signature: 1ff8192a7b95825cd114b4e319c2688fa178365af5390f569cb03a0821a46e0a all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip bd8699e9e29287b5571b32b68c3dcd05985fa9b1 Bisecting: 8 revisions left to test after this (roughly 3 steps) [43dd16efc7f235f153804500a4363769bd2276fc] netfilter: nf_tables: store data in offload context registers testing commit 43dd16efc7f235f153804500a4363769bd2276fc with gcc (GCC) 8.1.0 kernel signature: fd1c637768f5a16b9f4437ad75793b3edeef90cc3b9bfe1ae8ed386dc8dc3496 all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 43dd16efc7f235f153804500a4363769bd2276fc Bisecting: 8 revisions left to test after this (roughly 3 steps) [e84fb4b3666dabd3917952fb33588daa891a6ad3] netfilter: conntrack: use shared sysctl constants testing commit e84fb4b3666dabd3917952fb33588daa891a6ad3 with gcc (GCC) 8.1.0 kernel signature: 4605c3df3f3781fdc222ba794042648f375e9811528f9005a0d8b6b99ed1e9d0 all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip e84fb4b3666dabd3917952fb33588daa891a6ad3 Bisecting: 8 revisions left to test after this (roughly 3 steps) [8c0bb7873815bf8c3c4dfb24e8ebf4fefb4c35d2] netfilter: synproxy: rename mss synproxy_options field testing commit 8c0bb7873815bf8c3c4dfb24e8ebf4fefb4c35d2 with gcc (GCC) 8.1.0 kernel signature: db09b9cec0f336d53631decef7448d79db081a7a3b22585edef3aaf94236ad5b all runs: boot failed: general protection fault in dma_direct_max_mapping_size # git bisect skip 8c0bb7873815bf8c3c4dfb24e8ebf4fefb4c35d2 There are only 'skip'ped commits left to test. The first bad commit could be any of: 9211bfbff80a7604273086fec5685efcdc10be2b 47e640af2e492cc28778dd6f894d50313f7fba75 a1b2f04ea527397fcacacd09e0d690927feef429 0abc8bf4f2842e409926096f0fa009b468cbd855 bd96b4c75675e616eefef6d85d163530eef9c5e5 43dd16efc7f235f153804500a4363769bd2276fc 78458e3e08cda2aacaec9fde8c295dfc2f88618a 20a9379d9a03ee0712d225035308973ecc5f6783 bd8699e9e29287b5571b32b68c3dcd05985fa9b1 2a475c409fe81a76fb26a6b023509d648237bbe6 7e59b3fea2a2510b52761c20ccc71d3e9f6b7db8 1b90af292e71b20d03b837d39406acfbdc5d4b2a 5785cf15fd74ec3b1a076fd39bc67382a8455fe7 0a30ba509fdeea740bedb81ce3bee4f74a759654 e84fb4b3666dabd3917952fb33588daa891a6ad3 105333435b4f3b21ffc325f32fae17719310db64 8c0bb7873815bf8c3c4dfb24e8ebf4fefb4c35d2 c162610c7db2e9611a7b3ec806f9c97fcfec0b0b We cannot bisect more! revisions tested: 33, total time: 9h38m34.021549231s (build: 3h35m13.521662613s, test: 6h1m0.856400689s) bisection is inconclusive, the first bad commit could be any of: 9211bfbff80a7604273086fec5685efcdc10be2b 47e640af2e492cc28778dd6f894d50313f7fba75 a1b2f04ea527397fcacacd09e0d690927feef429 0abc8bf4f2842e409926096f0fa009b468cbd855 bd96b4c75675e616eefef6d85d163530eef9c5e5 43dd16efc7f235f153804500a4363769bd2276fc 78458e3e08cda2aacaec9fde8c295dfc2f88618a 20a9379d9a03ee0712d225035308973ecc5f6783 bd8699e9e29287b5571b32b68c3dcd05985fa9b1 2a475c409fe81a76fb26a6b023509d648237bbe6 7e59b3fea2a2510b52761c20ccc71d3e9f6b7db8 1b90af292e71b20d03b837d39406acfbdc5d4b2a 5785cf15fd74ec3b1a076fd39bc67382a8455fe7 0a30ba509fdeea740bedb81ce3bee4f74a759654 e84fb4b3666dabd3917952fb33588daa891a6ad3 105333435b4f3b21ffc325f32fae17719310db64 8c0bb7873815bf8c3c4dfb24e8ebf4fefb4c35d2 c162610c7db2e9611a7b3ec806f9c97fcfec0b0b