bisecting cause commit starting from 614cb2751d3150850d459bee596c397f344a7936
building syzkaller on a2fe1cb58994e43fb14f141ecd6e6dcce9bb697a
testing commit 614cb2751d3150850d459bee596c397f344a7936
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 1acfa40464f89737014dfd9aaf076fcf8353341f13e0302d1ec153501088ab50
all runs: crashed: kernel BUG in ext4_get_group_info
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: eaab50170f966c8b3eb39852b91e95d9bc7e454d96827a490e5a435720d1ffbe
all runs: crashed: kernel BUG in ext4_get_group_info
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: a2c67d0aa4cd9031fb2dccc0e9429d13c38be324308c26aa1ef6b084265ddb79
all runs: crashed: kernel BUG in ext4_get_group_info
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: 760afc9eb3d03287b34ea942b7a411382f5645571be3e022de43df2d69784b74
all runs: crashed: kernel BUG in ext4_get_group_info
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: ed87a01106570e960457a093defc61da2463f8df499a22d92a19e05b34bca040
all runs: crashed: kernel BUG in ext4_get_group_info
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: a6ff38e82dd9e7b72f8594f21d4456e9f130fed2d0baffe8f9a1ac831a8846b8
all runs: crashed: kernel BUG in ext4_get_group_info
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: 148af9454d2419d8c534f359dc0ada77e2a0b73e26499bd1d569517b33bb77e1
run #0: crashed: WARNING in add_dirent_to_buf
run #1: crashed: KASAN: out-of-bounds Read in ext4_ext_insert_extent
run #2: crashed: kernel BUG in ext4_get_group_info
run #3: crashed: kernel BUG in ext4_get_group_info
run #4: crashed: kernel BUG in ext4_get_group_info
run #5: crashed: kernel BUG in ext4_get_group_info
run #6: crashed: kernel BUG in ext4_get_group_info
run #7: crashed: kernel BUG in ext4_get_group_info
run #8: crashed: kernel BUG in ext4_get_group_info
run #9: crashed: kernel BUG in ext4_get_group_info
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: c39813ac1b4cf9ee17cd9581d29834c9312d7a9e2d37c5149682cd29e326d445
all runs: crashed: kernel BUG in ext4_get_group_info
testing release v5.6
testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 65e9f41c1707ffe281e68adea77024db743fc3aec52e15a3092851b775aa1091
run #0: crashed: kernel BUG in ext4_get_group_info
run #1: crashed: kernel BUG in ext4_get_group_info
run #2: crashed: kernel BUG in ext4_get_group_info
run #3: crashed: kernel BUG in ext4_get_group_info
run #4: crashed: kernel BUG in ext4_get_group_info
run #5: crashed: kernel BUG in ext4_get_group_info
run #6: crashed: kernel BUG in ext4_get_group_info
run #7: crashed: kernel BUG in ext4_get_group_info
run #8: crashed: kernel BUG in ext4_get_group_info
run #9: boot failed: can't ssh into the instance
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: df229a265ef77d7ea04c00e82025c3f1c0476396510a270bc6ec4e905f5dd17e
all runs: crashed: kernel BUG in ext4_get_group_info
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4db262e20e001154554aacba8ee069cf005e1d0d472bd35a6ff08601ed7ef2f2
all runs: crashed: kernel BUG in ext4_get_group_info
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 8a03cb69477372e7c3f6c0fee23e5ea1b68880d5ca37439f59113cf3c4eda96e
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: ceeaa8b0cfd529302ba500b7667f68e052337f4d182c21133fad9a5ec409b8b0
all runs: crashed: kernel BUG in ext4_mb_load_buddy_gfp
# 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: 3d0d4a9da4bc7c928f19ca21482e2c6d6e64a677674bf2710088819cd7d655b2
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: e1ad679bd3d60852318c2347b12cb72c53a3758b904e5a22707caefc8e2c8acc
all runs: crashed: kernel BUG in ext4_mb_load_buddy_gfp
# 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: 05e1fe7c870764985c5267bfb1874062ca3ab2146f0edb5489938d5feaf5d514
all runs: crashed: kernel BUG in ext4_mb_load_buddy_gfp
# 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: 82e0fd31f5ec138a12e6ed2f1b5713379a8c488bd44241e4edf41bbdb8bd5d6f
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: b452cfb363904ab8f8a625cc427744d202a7fc4abca3d2d9ccac04e97d4014a9
all runs: crashed: kernel BUG in ext4_mb_load_buddy_gfp
# 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: 87429e289e13f2491fa94ae7a5fc2c3ff172f6eb38194164598fa5b475de89b4
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: 78ece6382c9fc59a92e6cbd72d027ba62f942bef9fd9fcc7b3af0185c8efd970
all runs: crashed: kernel BUG in ext4_mb_load_buddy_gfp
# 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: 035bdbe9bc3728d361b7e1ac0789f9010fae8d3680230711689403ab77497aac
all runs: crashed: kernel BUG in ext4_mb_load_buddy_gfp
# 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: e72ddbd445ed41f7c0252e91647ff5961e8bfc3b3b993b5415c65157b3c39e6d
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: 23504fe7cc12d12ac77677e0b53b764892a4b7c700417b0dee9f238847c50825
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: e72ddbd445ed41f7c0252e91647ff5961e8bfc3b3b993b5415c65157b3c39e6d
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: 54e112eccbfe46bad00d4c3115c516fcf2a1ca8f650f9307f2c7d50c9ca53af9
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: e72ddbd445ed41f7c0252e91647ff5961e8bfc3b3b993b5415c65157b3c39e6d
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: 1288d54a88bc60d0b0034635732b6a04e4a238e13edf3143b26749138150a127
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: 766adba439735d50c9255fdde0cc735a9b98fefc15c2a8beb3c95bb804f9027e
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: e72ddbd445ed41f7c0252e91647ff5961e8bfc3b3b993b5415c65157b3c39e6d
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: 54e112eccbfe46bad00d4c3115c516fcf2a1ca8f650f9307f2c7d50c9ca53af9
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: 8090f06df07be4817e3d4b8f16f893dadde5e34d45400901f9b3a742ae6e4fdc
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: 0a87a2958877c4dbc5bf9f36967cc78fe774994fc48268b90665e4a4cacf1ca8
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: 8090f06df07be4817e3d4b8f16f893dadde5e34d45400901f9b3a742ae6e4fdc
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: f82a81bf839cf773f9878857d38f2166d0d03e04e74e05c2594ee1f86906da5e
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: 8090f06df07be4817e3d4b8f16f893dadde5e34d45400901f9b3a742ae6e4fdc
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

revisions tested: 35, total time: 8h1m12.305096837s (build: 3h39m25.349302599s, test: 4h18m3.037771722s)
error: bisection is taking too long (>8h0m0s), aborting