bisecting cause commit starting from d2b6f8a179194de0ffc4886ffc2c4358d86047b8
building syzkaller on bc5434be1a615eca6d901c20b026712bd9697fd4
testing commit d2b6f8a179194de0ffc4886ffc2c4358d86047b8 with gcc (GCC) 10.2.1 20210217
kernel signature: b7253b0050d1f751d90ce6b983fb4a7e7bf11d4a50d7f907247a56a5adb8f87d
run #0: crashed: possible deadlock in process_measurement
run #1: crashed: possible deadlock in process_measurement
run #2: crashed: possible deadlock in process_measurement
run #3: crashed: possible deadlock in process_measurement
run #4: crashed: possible deadlock in process_measurement
run #5: crashed: possible deadlock in process_measurement
run #6: crashed: possible deadlock in process_measurement
run #7: crashed: possible deadlock in ovl_maybe_copy_up
run #8: crashed: possible deadlock in process_measurement
run #9: crashed: possible deadlock in process_measurement
run #10: crashed: possible deadlock in process_measurement
run #11: crashed: possible deadlock in process_measurement
run #12: crashed: possible deadlock in process_measurement
run #13: crashed: possible deadlock in process_measurement
run #14: crashed: possible deadlock in process_measurement
run #15: crashed: possible deadlock in process_measurement
run #16: crashed: possible deadlock in process_measurement
run #17: crashed: possible deadlock in process_measurement
run #18: crashed: possible deadlock in process_measurement
run #19: crashed: possible deadlock in process_measurement
testing release v5.12
testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 with gcc (GCC) 10.2.1 20210217
kernel signature: 6d40b6f5a7f53d09bcc7ad172c8408bec51ae18bb9bd92c662d0f974261d6325
all runs: crashed: possible deadlock in process_measurement
testing release v5.11
testing commit f40ddce88593482919761f74910f42f4b84c004b with gcc (GCC) 10.2.1 20210217
kernel signature: 293e6579f0d65cbda46b2d20e15f30555f6e4ea292502f9356c74a1affb84b2f
all runs: crashed: possible deadlock in process_measurement
testing release v5.10
testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 with gcc (GCC) 10.2.1 20210217
kernel signature: aa5dbcb7b6350e128566df7b79649d445731318f591bef7c95206222f351bb67
all runs: crashed: possible deadlock in process_measurement
testing release v5.9
testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 10.2.1 20210217
kernel signature: 5c24f3f4b62492843caa7e7e852285d332e09df8819536e003a2c6149fac4abc
all runs: crashed: possible deadlock in process_measurement
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.4.1 20210217
kernel signature: e064f1b90e3cfa434cb136ae367ce886a75f83b37d3f635477c7b19461094f39
all runs: crashed: possible deadlock in process_measurement
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.4.1 20210217
kernel signature: 0c3b42a2623ff57e7e764989f96f47d87aded95e87d9e48275f1a3c8bd52969b
all runs: crashed: possible deadlock in process_measurement
testing release v5.6
testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.4.1 20210217
kernel signature: d9f64012349e0d74c7c908ab911c6276e4b0f83458da87d57127cd8708aa9c37
all runs: crashed: possible deadlock in mnt_want_write
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.4.1 20210217
kernel signature: ba676d29733da0c4728588193fbc641be89b273270ae57d0f4d0c16812a703ca
all runs: crashed: possible deadlock in mnt_want_write
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.4.1 20210217
kernel signature: 949001b74ebcba9a4ee8693b8e891d0971c58010c6cfc40dc44eae5156602299
all runs: crashed: possible deadlock in mnt_want_write
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.4.1 20210217
kernel signature: 27db41da572d7dda09afa86fde3174208da7993bb7e612668a1cfabfaa835453
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) 8.4.1 20210217
kernel signature: 78dfc9b6ef27c187a091b8855ae079146e48c6911d549ccf9d350a1be5ff7d8c
all runs: crashed: possible deadlock in mnt_want_write
# 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) 8.4.1 20210217
kernel signature: 1bc346388b0e19b37f73da15ba3dca037514276fa2d64bb54b6b206723b4f196
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) 8.4.1 20210217
kernel signature: 251c97ced7abe5e8f655a1b85e000dc519c1b6639a8b2cf5247ece6779beef54
all runs: crashed: possible deadlock in mnt_want_write
# 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) 8.4.1 20210217
kernel signature: 0587fefad9fad77fb86468a04992dd76f3624aa7139ee712b751cf03d2995ef8
all runs: crashed: possible deadlock in mnt_want_write
# 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) 8.4.1 20210217
kernel signature: 0b5673ed8be001c110ebd9e5777d2b83684a0190a81099df7f8b98b5323cc34c
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) 8.4.1 20210217
kernel signature: cba866266b5cf44f5d79be1a494b8a42582a8d8562615b32dbcc346b1876e640
all runs: crashed: possible deadlock in mnt_want_write
# 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) 8.4.1 20210217
kernel signature: d14dab15c13b63b40a56ea146f3d6eda2c496af8bcf5c09a423b4c6d308111cb
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) 8.4.1 20210217
kernel signature: 367a5e76a29f563f5480278118e7869d84818a10bdc3fdfa8bd545bbda4ba5bc
run #0: basic kernel testing failed: general protection fault in batadv_iv_ogm_queue_add
run #1: crashed: possible deadlock in mnt_want_write
run #2: crashed: possible deadlock in mnt_want_write
run #3: crashed: possible deadlock in mnt_want_write
run #4: crashed: possible deadlock in mnt_want_write
run #5: crashed: possible deadlock in mnt_want_write
run #6: crashed: possible deadlock in mnt_want_write
run #7: crashed: possible deadlock in mnt_want_write
run #8: crashed: possible deadlock in mnt_want_write
run #9: crashed: possible deadlock in mnt_want_write
# 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) 8.4.1 20210217
kernel signature: 31893c6d44b62edcf80166cb4c76fc52166d477425ad64f10b2442730097655f
all runs: crashed: possible deadlock in mnt_want_write
# 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) 8.4.1 20210217
kernel signature: c96f74474f468f3067549be18ec0fa1b7eb152d42e1e053905fb4736b5eedbe2
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) 8.4.1 20210217
kernel signature: 268c4408e78a7c9a072817138261ddfe90ff645b748cf22f70f76d1522342afc
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) 8.4.1 20210217
kernel signature: c96f74474f468f3067549be18ec0fa1b7eb152d42e1e053905fb4736b5eedbe2
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) 8.4.1 20210217
kernel signature: 14858a7bbaff719ae16020799d5a63dfb32a5c86f36e599976ab431e379487c0
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) 8.4.1 20210217
kernel signature: c96f74474f468f3067549be18ec0fa1b7eb152d42e1e053905fb4736b5eedbe2
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) 8.4.1 20210217
kernel signature: ec61b3764583fd08e63493c45e2fcb58fa507fecb8dad243c37d7c6f6d00e5bc
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) 8.4.1 20210217
kernel signature: a28ace2379028ac257e0ef3c7cbe0c075ee77eba6a9515bfb692bfc763dc0167
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) 8.4.1 20210217
kernel signature: c96f74474f468f3067549be18ec0fa1b7eb152d42e1e053905fb4736b5eedbe2
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) 8.4.1 20210217
kernel signature: 14858a7bbaff719ae16020799d5a63dfb32a5c86f36e599976ab431e379487c0
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) 8.4.1 20210217
kernel signature: 5e7a5d18559c50b327bcfa1109cd8b6fa42933117f70ee4c3769e6bc98d180e3
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) 8.4.1 20210217
kernel signature: 94a620c0b2adbe0c1f5a2a598715d5df99ff1ad42971a8f31369e2c53cb650f3
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) 8.4.1 20210217
kernel signature: 5e7a5d18559c50b327bcfa1109cd8b6fa42933117f70ee4c3769e6bc98d180e3
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) 8.4.1 20210217
kernel signature: 14d4ca03a51b93e490cdfbe38495285c0e9e42d81b4c9cb791a81f0aa65c1adb
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) 8.4.1 20210217
kernel signature: 5e7a5d18559c50b327bcfa1109cd8b6fa42933117f70ee4c3769e6bc98d180e3
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) 8.4.1 20210217
kernel signature: 051f07729703bddbc6b7789a4ad1c6af47228c742639af85a76a7c5cbba8a939
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.

revisions tested: 35, total time: 8h13m58.591314526s (build: 3h57m52.285235606s, test: 4h11m21.963416159s)
error: bisection is taking too long (>8h0m0s), aborting