bisecting cause commit starting from 85a90500f9a1717c4e142ce92e6c1cb1a339ec78
building syzkaller on 6972b10616d785401dea17cec890cca8916424a7
testing commit 85a90500f9a1717c4e142ce92e6c1cb1a339ec78
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 28e193c7fb8e5bc75a6610a308753542ba2a1f2a48fb880f80232176e5ea956d
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 909f5b513362d755e99068620c19525cb2afd91ca8725228219fd46574a48866
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.12
testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: bb4e26dd8f4a005b0fd76547575ef29621d4d502b5251ddaf0a5696974104629
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.11
testing commit f40ddce88593482919761f74910f42f4b84c004b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 3222e6ed80513dd888ba5df1ed0bb0fed90b38311471a07f8ebfef14f678fd42
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.10
testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 35c88fb67e0626f0232c5254d6e9f188ff33bdc5ecf75a2e20b39b0354577e82
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.9
testing commit bbf5c979011a099af5dc76498918ed7df445635b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 4753fc6113ccf19b73886623e431f1d42203e5df7900561c23ce4babeaf8f756
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 64bef9c619e4f9660afe7c971d6b25d7fe2654ae1e3be1137534ef774e1b1619
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: f76fe31c01316385978519b5b4e89add706a0c3d5fe63afc28097ce825bd70af
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.6
testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ce1c40f29ea7dac1ab1efcb8a4c28e91d707e6db2dd3c7ba2f4d3ff05339b929
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 52e3d19b3dd1254ec0fc70d5e850d8b373790b6a1ce2b4832bb7a2a2d3945561
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: aaf25273084462a2ad615141adb1da70de0e843313526173854dc50400e6d06c
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6a118b86ece6a00ec309dfe958551a7e37b62c5a38c74bfffbdf71d5ff2118cf
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: a8b09745890ddadb1e696e98ce86db8cb71ae7781fc60aeefb063885a9d17401
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
# 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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 21ce64d313b2d9fd75229dad5d01a5ebfa5da3ffd20e29a321c7587361d37d75
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9e6ff30f4f786ae1eb56cc1ec20720ec7a4a7b9c1f0f2492e137268213ca9385
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
# 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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 45628bf861be021bed236de048c3bd549ddaf238d5493d5b479f642770b7b8bf
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
# 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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9a4840389b4f4dd5e067b56c1a73b3053def1d0bbe222118768048b176a5cefe
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 49e84a9e782660a69f961e60c31e1ee06b87f6464d0f6d26e233dd2091c3c15e
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
# 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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: fbe3da23c2740811ebe57ee0eba729a7a9a2fd588eb079f94a0fce3a94575e0d
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0379ea025619a7f963a63d4de7cb1057d398229ca125d22bfdef80ef66500f24
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
# 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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2dce9b56cf93aee3f585f06596ee032058f18281c74f3be7239259b6be45d2e9
all runs: crashed: possible deadlock in fuse_reverse_inval_entry
# 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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b40ea385d685edbbae4f5c26487e51afb764af6ac02c0405c4942c1e096a463b
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ac3e1b2f63868d4eee0d832c4a255d13593974befdd46b7c36d3ad3824519ac7
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b40ea385d685edbbae4f5c26487e51afb764af6ac02c0405c4942c1e096a463b
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: acf6ba3f8470b3ae9d0f2e2e5cbba95b8ee4808b5056203c116ba1359f6d7b13
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b40ea385d685edbbae4f5c26487e51afb764af6ac02c0405c4942c1e096a463b
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a05407d021fa345c005a18000cd57076ca9e2cdc559bb0c97cd23a9d37c98a0e
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e49cf8a3b0a570688f3ee730c8508ce37597a62604caed2a26591f8530a09c24
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b40ea385d685edbbae4f5c26487e51afb764af6ac02c0405c4942c1e096a463b
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: acf6ba3f8470b3ae9d0f2e2e5cbba95b8ee4808b5056203c116ba1359f6d7b13
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 031e3f8387c550f02b65ad1180f2623087293db4e5d4fb0e5f162bddd39c85f1
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4cab5a133c196faf79440663b4f20a986ccf5a6da9b5bf7b7568a19b732751e9
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 031e3f8387c550f02b65ad1180f2623087293db4e5d4fb0e5f162bddd39c85f1
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d81997e43424dd0fb97bb8d9d979d7cbcc8b0d8e30c3fc44bf3e9151496d0f23
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 031e3f8387c550f02b65ad1180f2623087293db4e5d4fb0e5f162bddd39c85f1
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1a4f7f1ee48afe861185ef099546698964dc6bdffc749a3bc562ae6ad5c17500
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
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 76ad6f02bf0903b3fc4b8f54f35f286892a5e994a1f54368af31d040e82051ec
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

revisions tested: 37, total time: 8h7m23.352859441s (build: 3h52m13.229311752s, test: 4h11m19.897893362s)
error: bisection is taking too long (>8h0m0s), aborting