bisecting cause commit starting from 1e1b28b936aed946122b4e0991e7144fdbbfd77e
building syzkaller on 107f6434d376c0f6f108e7b1dccfedea7f0fcfa0
testing commit 1e1b28b936aed946122b4e0991e7144fdbbfd77e
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9ba497d81dd35025ada9aa62b0e30743178a256272e1cc0d7b47405af615479b
all runs: crashed: WARNING in follow_hugetlb_page
testing release v5.17
testing commit f443e374ae131c168a065ea1748feac6b2e76613
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f3aed6e258c8825849300ac4d87ae2e69193115ff61144ee7782564d3f57e833
all runs: OK
# git bisect start 1e1b28b936aed946122b4e0991e7144fdbbfd77e f443e374ae131c168a065ea1748feac6b2e76613
Bisecting: 13745 revisions left to test after this (roughly 14 steps)
[6a34fdcca452457a530980be2561dab06da3627f] Merge tag 'rtc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

testing commit 6a34fdcca452457a530980be2561dab06da3627f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6f383629b44cd64a977ae9a18f757fcb51d5d3162af4ce760c2664c9fdcf1b1f
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 6a34fdcca452457a530980be2561dab06da3627f
Bisecting: 6692 revisions left to test after this (roughly 13 steps)
[0bb07dcc1cb1d31559f9c88c88a075f36b0abc79] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git

testing commit 0bb07dcc1cb1d31559f9c88c88a075f36b0abc79
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8f1c9c3492e5e9a22bb4f58a17842e64e3f28447d108642ffe7fdc5a8d03b4ca
all runs: OK
# git bisect good 0bb07dcc1cb1d31559f9c88c88a075f36b0abc79
Bisecting: 3419 revisions left to test after this (roughly 12 steps)
[4ac5b2ee4896c8c8642fbcd3a51bef6d340008e0] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git

testing commit 4ac5b2ee4896c8c8642fbcd3a51bef6d340008e0
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 5c7f0114189cf6ffd4021ff02e731ee1cd6786fa250f6e9e337eae4ffef8c0fa
all runs: OK
# git bisect good 4ac5b2ee4896c8c8642fbcd3a51bef6d340008e0
Bisecting: 1641 revisions left to test after this (roughly 11 steps)
[727c95e0b6089d942943a5930c445817ffeda5f7] Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git

testing commit 727c95e0b6089d942943a5930c445817ffeda5f7
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 269e4e453b75714de00355162387db7d5c5a63754cc31e6756844201a952dc66
all runs: OK
# git bisect good 727c95e0b6089d942943a5930c445817ffeda5f7
Bisecting: 819 revisions left to test after this (roughly 10 steps)
[4e4a627322750fedb35552fa7fdee273a6c68f4d] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux.git

testing commit 4e4a627322750fedb35552fa7fdee273a6c68f4d
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 978cbe3ea884c0a8e3c33ea9f4760d31d10f57fb4413db2b5364c30c5f625d4a
all runs: OK
# git bisect good 4e4a627322750fedb35552fa7fdee273a6c68f4d
Bisecting: 409 revisions left to test after this (roughly 9 steps)
[a00b390c298e0a14baa6216a1f37f88ade6a1912] mm/swap: print bad swap offset entry in get_swap_device

testing commit a00b390c298e0a14baa6216a1f37f88ade6a1912
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f55b39c09ca2c639fc21d8c203e312dc2f446c2102b9be43dd7cc5f20ff0b05c
all runs: OK
# git bisect good a00b390c298e0a14baa6216a1f37f88ade6a1912
Bisecting: 192 revisions left to test after this (roughly 8 steps)
[2ceea568b8d5453273b85ff4b167bdf68bca5a88] Merge branch 'bitmap-for-next' of https://github.com/norov/linux.git

testing commit 2ceea568b8d5453273b85ff4b167bdf68bca5a88
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 853ba739e58be3ef0b25561a5b5f9840097e33b4a962f9700027ea30237176dd
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 2ceea568b8d5453273b85ff4b167bdf68bca5a88
Bisecting: 73 revisions left to test after this (roughly 7 steps)
[a8853fdc76f400571fe43802eb81bdd7b94a475b] Merge branch 'mm-nonmm-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

testing commit a8853fdc76f400571fe43802eb81bdd7b94a475b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c40af2a1a684da052c25ae89a8f2a4b315019082a0f4b0b8c9a9573e13a1801f
all runs: OK
# git bisect good a8853fdc76f400571fe43802eb81bdd7b94a475b
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[f459498b60d0db861290c48c88e970cd480ff314] mm-change-huge_ptep_clear_flush-to-return-the-original-pte-fix-2

testing commit f459498b60d0db861290c48c88e970cd480ff314
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d4e13df5de581a24d19524b201771ef054563ee688ae81b2dfca0f0a48c9d04f
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM
run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good f459498b60d0db861290c48c88e970cd480ff314
Bisecting: 18 revisions left to test after this (roughly 4 steps)
[6002b23b6c654ce4bde33ed809a8022e3b59d3b7] mm/page_alloc: add page->buddy_list and page->pcp_list

testing commit 6002b23b6c654ce4bde33ed809a8022e3b59d3b7
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6d2e436a1958e7271382283964141cc91ebc23a5947f2403a1bd65745dd80e42
all runs: crashed: WARNING in follow_hugetlb_page
# git bisect bad 6002b23b6c654ce4bde33ed809a8022e3b59d3b7
Bisecting: 8 revisions left to test after this (roughly 3 steps)
[adf1d963d3ae0589940c8b84f6fb1fe5982efc74] mm: fix is_pinnable_page against on cma page

testing commit adf1d963d3ae0589940c8b84f6fb1fe5982efc74
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 641b35818624df8a50ed391cc8e720ba91682d33e66e85814e96d373255aeec3
all runs: OK
# git bisect good adf1d963d3ae0589940c8b84f6fb1fe5982efc74
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[b59d99beadc60cb6b45c23129aadf879ee52135d] mm/damon: add documentation for Enum value

testing commit b59d99beadc60cb6b45c23129aadf879ee52135d
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 78a55e8b7d6a7fdf8500ffda081cf104bf3abeda18dd7dc36bf0611a1957fcfd
all runs: crashed: WARNING in follow_hugetlb_page
# git bisect bad b59d99beadc60cb6b45c23129aadf879ee52135d
Bisecting: 1 revision left to test after this (roughly 1 step)
[4ac671b210944bd9f6d2a70336d2fe30f1b98285] mm-fix-is_pinnable_page-against-on-cma-page-v5-fix

testing commit 4ac671b210944bd9f6d2a70336d2fe30f1b98285
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c9308d94e56dc51961d4efd85ba4611b3098a2fb9879a1bebae39adc86e531b7
all runs: crashed: WARNING in follow_hugetlb_page
# git bisect bad 4ac671b210944bd9f6d2a70336d2fe30f1b98285
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[14e72bb50c9010730ae135fd02a58f5a4b964d1f] mm-fix-is_pinnable_page-against-on-cma-page-v5

testing commit 14e72bb50c9010730ae135fd02a58f5a4b964d1f
compiler: gcc (GCC) 10.2.1 20210217
./include/linux/mm.h:1635:23: error: '__mt' undeclared (first use in this function); did you mean 'mt'?
# git bisect skip 14e72bb50c9010730ae135fd02a58f5a4b964d1f
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
14e72bb50c9010730ae135fd02a58f5a4b964d1f
4ac671b210944bd9f6d2a70336d2fe30f1b98285
We cannot bisect more!

revisions tested: 15, total time: 3h23m46.702521771s (build: 1h31m46.653722653s, test: 1h50m25.183012243s)
bisection is inconclusive, the first bad commit could be any of:
14e72bb50c9010730ae135fd02a58f5a4b964d1f
4ac671b210944bd9f6d2a70336d2fe30f1b98285