bisecting cause commit starting from a42a7bb6f5362c77f38cdc5e2d05e9fe0c2ade2c
building syzkaller on 749688d22abef3f3cb9a0480e15c19a3f2ed8e13
testing commit a42a7bb6f5362c77f38cdc5e2d05e9fe0c2ade2c with gcc (GCC) 8.1.0
kernel signature: daf8c2d06d679279675e9955a9ef473be3f191cf4301d110deb4fd0f6a16ddc4
all runs: crashed: possible deadlock in lock_trace
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0
kernel signature: 75318375383cf2b6fe92b22c56790f2652bfa6ee7424ac09bb550dbc0c203398
all runs: crashed: possible deadlock in lock_trace
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0
kernel signature: c197f7b45fa7276a29c318f8bc1e77b0f9ef90bfd44cf760d5cb8dae3dbc2731
all runs: crashed: possible deadlock in lock_trace
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0
kernel signature: 1d5561108475bad3e197fc211aff111a2a7dcb5f46305582c542673ecc4427ea
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: afc806674391abb2bdf78cbf78970bbf4ec3a66e6a5fa8408001c0fe614e8f68
run #0: crashed: possible deadlock in lock_trace
run #1: crashed: possible deadlock in seq_read
run #2: crashed: possible deadlock in lock_trace
run #3: crashed: possible deadlock in lock_trace
run #4: crashed: possible deadlock in lock_trace
run #5: crashed: possible deadlock in lock_trace
run #6: crashed: possible deadlock in lock_trace
run #7: crashed: possible deadlock in lock_trace
run #8: crashed: possible deadlock in seq_read
run #9: crashed: possible deadlock in lock_trace
# 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: a6c9da54aa6cde9a90a2ec229bd5f77214db2d2510a876b1e28a4c86ea46decd
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: 58ec833c8fd4b57ceb1ded6b8e3c169d1e4161b217511b68c9a4bf9adffec423
run #0: crashed: possible deadlock in lock_trace
run #1: crashed: possible deadlock in lock_trace
run #2: crashed: possible deadlock in lock_trace
run #3: crashed: possible deadlock in seq_read
run #4: crashed: possible deadlock in lock_trace
run #5: crashed: possible deadlock in lock_trace
run #6: crashed: possible deadlock in lock_trace
run #7: crashed: possible deadlock in lock_trace
run #8: crashed: possible deadlock in lock_trace
run #9: crashed: possible deadlock in lock_trace
# 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: 33eeae14d3dab090d91649553b71285f1f9676f1eceb60ea52fe30fb23ff36f8
run #0: crashed: possible deadlock in seq_read
run #1: crashed: possible deadlock in seq_read
run #2: crashed: possible deadlock in lock_trace
run #3: crashed: possible deadlock in lock_trace
run #4: crashed: possible deadlock in lock_trace
run #5: crashed: possible deadlock in lock_trace
run #6: crashed: possible deadlock in lock_trace
run #7: crashed: possible deadlock in lock_trace
run #8: crashed: possible deadlock in lock_trace
run #9: crashed: possible deadlock in lock_trace
# 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: 9b2b4049bb7677bc7e94be06aec61185f93427fd65b93166b44dddae349b7fde
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: 89f11eee3688c0b192fb026c069944bd17d57f2062cfe78dbd1b153b0bd11d77
run #0: crashed: possible deadlock in lock_trace
run #1: crashed: possible deadlock in lock_trace
run #2: crashed: possible deadlock in lock_trace
run #3: crashed: possible deadlock in lock_trace
run #4: crashed: possible deadlock in seq_read
run #5: crashed: possible deadlock in lock_trace
run #6: crashed: possible deadlock in lock_trace
run #7: crashed: possible deadlock in lock_trace
run #8: crashed: possible deadlock in lock_trace
run #9: crashed: possible deadlock in lock_trace
# 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: ec4ec457a89ec7518ec6f626d5320052016a837204aed86479fe8fabce0b2070
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: 4b854f956a2d3ee2dd4dae446ea57fb7244657096f1344d4cb3409437ae65cb2
all runs: crashed: possible deadlock in lock_trace
# 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: dceb39dfd982c7ba281627dbd7a875efdbb963f38eaa9e7b16011e5a69add49a
run #0: crashed: possible deadlock in lock_trace
run #1: crashed: possible deadlock in lock_trace
run #2: crashed: possible deadlock in seq_read
run #3: crashed: possible deadlock in lock_trace
run #4: crashed: possible deadlock in lock_trace
run #5: crashed: possible deadlock in lock_trace
run #6: crashed: possible deadlock in lock_trace
run #7: crashed: possible deadlock in lock_trace
run #8: crashed: possible deadlock in lock_trace
run #9: crashed: possible deadlock in lock_trace
# 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: e53f72afaf1078dfed0e9aa143dfb6b1a2b8b8e9b220b085b7c4200d427c950a
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: a8315e98f0fa59671323a6cb0900caf3d26b5484277e51009e3d9986c3e540f5
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: 9a334977a21c932db7429730130138c360966bb1b38914fc434cb6660c0f19a0
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: c3e9b0289f4df35878eef06ab6c2d9c766e9d24a35b8604346035dd13944753b
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: 9b5989ddac2c91dd2de6601e85057fad61b8aae09ab8caebf81be5b5c955badf
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: 350f21f66561ddfc954370f86352946c5780039533c776b8ba0c5fda4d0f5b95
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: f33c52ce6207b6aaf5852db07b1c9ad10c15788f23e4ab2c1ede69df7e171ac6
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: 0fe8f7ecea35d6618917b58a9264806d4bb47b6ca8ae426737907a6c2ec5662f
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: 29dbb250b5688167c8adf44d3337d3ce9b84d1605a5d1dca3d0447d6e0c0a6f3
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: bef813306b8658fd4838a4aeda69929981f482ac37a7866c42b84149a467041c
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: 621729ce2ac012508a1a0af355eb81556487172438d8cb91a550b46b3c72c0e2
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: f0ebf6d8fc77eefc8d9ee8055f5020c3c060796adb19dd162e028f6f4948de1a
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: 013169440cc8d8328d52cbf6b4dc397b3aba3d6df3bb49f3055daded1c1cd55d
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: 79045a6346adc08eeddb11dbdad33a4537d502c871c4200d3bc4dd8880662221
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: bdaab8aa3b9a4ffcf3611e0e4da97be5db06e26fed3d704a3bbd68c4cdcf264a
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: 630da2a895f985fc0ad565213254455024c11de1c818e6e3d8cd5112d3e4c9c7
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: 5e97d543786d1136babde2af861b0951d8d5ef5947ae926236196aa13f438d37
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: 038a5663e18b26bbba1f6799f5e63bf89e1bb5a7d9b9f5fe448fa75d75353d62
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: d708ed04111b8989344ad906a34b2d9fe6a7f5a2399af9d73acdd83b9621ad0c
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: be7233fa4d2fe27bcc97c560b18e704e7ba921f99be550df2d6316f63feebf61
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: 8h31m9.458652958s (build: 3h24m13.401327226s, test: 5h5m3.97755889s)
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