bisecting cause commit starting from f02ac5c95dfd45d2f50ecc68d79177de326c668c
building syzkaller on 1fa34c1b4ca31728acc7dfc7ec2f221443b8d40f
testing commit f02ac5c95dfd45d2f50ecc68d79177de326c668c
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b2f17736c63d888210f60971178a1dbed4ebaec19e9b0ad056cf41bc1248422b
all runs: crashed: KASAN: use-after-free Read in mas_next_nentry
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: cf693bfc5d1e413d6975c59a8d4bc536484dd21fb2ae353abd3aeca0cccafd2e
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
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 start f02ac5c95dfd45d2f50ecc68d79177de326c668c f443e374ae131c168a065ea1748feac6b2e76613
Bisecting: 11219 revisions left to test after this (roughly 14 steps)
[88b3be5c6391a5b4be1dcdc4bb8dca8438105438] Merge tag 'for-linus' of https://github.com/openrisc/linux

testing commit 88b3be5c6391a5b4be1dcdc4bb8dca8438105438
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 163257708095e01ad53848ec63706c2fa8f7647084c35b4f1f9f372deb4b5ade
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 88b3be5c6391a5b4be1dcdc4bb8dca8438105438
Bisecting: 5552 revisions left to test after this (roughly 13 steps)
[deac1a9570ba6bae6f2bb9077cf0dbd702356dd5] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git

testing commit deac1a9570ba6bae6f2bb9077cf0dbd702356dd5
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 800bb8f04b070354a94732962485098c61bf04e816b39e30c4de1032a64d48ef
all runs: OK
# git bisect good deac1a9570ba6bae6f2bb9077cf0dbd702356dd5
Bisecting: 2660 revisions left to test after this (roughly 12 steps)
[27db7d07d7b1e5229ff85eefef1b32c2d3dc9757] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git

testing commit 27db7d07d7b1e5229ff85eefef1b32c2d3dc9757
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ac561947350d1ecbed6c325982abdd55bd034d109a74c10adf2b40379309ff73
all runs: OK
# git bisect good 27db7d07d7b1e5229ff85eefef1b32c2d3dc9757
Bisecting: 1342 revisions left to test after this (roughly 10 steps)
[9fb0672e8566f7f44a3ba1cc82874f516c13da9d] Merge branch 'extcon-next' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon.git

testing commit 9fb0672e8566f7f44a3ba1cc82874f516c13da9d
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ad8261aaff9fda38aa07b2c7acfe280d41267ceb86d2563bc04e4be9831444ec
all runs: OK
# git bisect good 9fb0672e8566f7f44a3ba1cc82874f516c13da9d
Bisecting: 671 revisions left to test after this (roughly 9 steps)
[1d13ec35a011e3fdabc220ece6a4493158897e30] Merge branch 'ntb-next' of https://github.com/jonmason/ntb.git

testing commit 1d13ec35a011e3fdabc220ece6a4493158897e30
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e3af01faed093335804d46d2a8e9242f74190d60e37417018911e8f0d85ce024
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
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 1d13ec35a011e3fdabc220ece6a4493158897e30
Bisecting: 335 revisions left to test after this (roughly 8 steps)
[33ba7c74b2a7eae5951b825ea21f1ef6096d112f] i915: use the VMA iterator

testing commit 33ba7c74b2a7eae5951b825ea21f1ef6096d112f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 33ba7c74b2a7eae5951b825ea21f1ef6096d112f
Bisecting: 335 revisions left to test after this (roughly 8 steps)
[47273118cff27efafcd1f0eb34b05af096ddfbef] mm: rework calculation of bdi_min_ratio in bdi_set_min_ratio

testing commit 47273118cff27efafcd1f0eb34b05af096ddfbef
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 532be7cb36a5eb491624289f8884efe239142903402b4d08937c65cde8720d02
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 47273118cff27efafcd1f0eb34b05af096ddfbef
Bisecting: 327 revisions left to test after this (roughly 8 steps)
[5c434823e072f004217174d055460108fb39e89a] mm/damon/sysfs: add a file for listing available monitoring ops

testing commit 5c434823e072f004217174d055460108fb39e89a
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2a0b42fff121a7a4d451ebafb68d57b44ae30f1e7772094fc8149cafa53d6fcf
all runs: crashed: KASAN: use-after-free Read in mas_next_nentry
# git bisect bad 5c434823e072f004217174d055460108fb39e89a
Bisecting: 164 revisions left to test after this (roughly 7 steps)
[2c267b7e20be879f97a6de75c45b2986e93a53fc] mm/vmscan: sc->reclaim_idx must be a valid zone index

testing commit 2c267b7e20be879f97a6de75c45b2986e93a53fc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0d017a801e2389035f9e2f76c97a285856d3a5adddab03f1d77dcbb847e60b03
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 2c267b7e20be879f97a6de75c45b2986e93a53fc
Bisecting: 82 revisions left to test after this (roughly 6 steps)
[22c9dfac0a02f3e3d74192cb3519edb6d264c7ab] mm/vmscan: introduce helper function reclaim_page_list()

testing commit 22c9dfac0a02f3e3d74192cb3519edb6d264c7ab
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: bcbc923d3a7a755f853d912b71a1f723680c892129f6cf7ddff6b99c53657497
all runs: OK
# git bisect good 22c9dfac0a02f3e3d74192cb3519edb6d264c7ab
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[93fc72398f4b4a351ad1ad575ce17470781200f4] arm64: change elfcore for_each_mte_vma() to use VMA iterator

testing commit 93fc72398f4b4a351ad1ad575ce17470781200f4
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 93fc72398f4b4a351ad1ad575ce17470781200f4
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[63b5eb8f7ff04d99c195ac2db891095ab6d0c77e] mm/gup: use maple tree navigation instead of linked list

testing commit 63b5eb8f7ff04d99c195ac2db891095ab6d0c77e
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 63b5eb8f7ff04d99c195ac2db891095ab6d0c77e
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[8916262d2a5273a48288092ad678490d604df8b5] mm/mmap: change do_brk_munmap() to use do_mas_align_munmap()

testing commit 8916262d2a5273a48288092ad678490d604df8b5
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 8916262d2a5273a48288092ad678490d604df8b5
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[95b388a9e8fe67e7b91ecd75d57b03c76f373923] bpf: remove VMA linked list

testing commit 95b388a9e8fe67e7b91ecd75d57b03c76f373923
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 95b388a9e8fe67e7b91ecd75d57b03c76f373923
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[103121f8fc6aa78ebda7eb7f2d9aa677d4ca5281] parisc: remove mmap linked list from cache handling

testing commit 103121f8fc6aa78ebda7eb7f2d9aa677d4ca5281
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 103121f8fc6aa78ebda7eb7f2d9aa677d4ca5281
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[394b95973bc7b6f4d801a79a6a12b3b597241336] sched: use maple tree iterator to walk VMAs

testing commit 394b95973bc7b6f4d801a79a6a12b3b597241336
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 394b95973bc7b6f4d801a79a6a12b3b597241336
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[fcfd95dc44a46ee061efd607f079acc03883514d] arm64: remove mmap linked list from vdso

testing commit fcfd95dc44a46ee061efd607f079acc03883514d
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip fcfd95dc44a46ee061efd607f079acc03883514d
Bisecting: 40 revisions left to test after this (roughly 5 steps)
[fc396d29c3315a5211ed50d6b3ad8c105b072734] kernel/fork: use maple tree for dup_mmap() during forking

testing commit fc396d29c3315a5211ed50d6b3ad8c105b072734
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d647ac127ad3bf64f5805ae8e2174974c68699b42857682d6f82832e24613653
all runs: OK
# git bisect good fc396d29c3315a5211ed50d6b3ad8c105b072734
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[62a8f1157592f6ed4e14fe2bb2e65e604ed7b109] fs/proc/task_mmu: stop using linked list and highest_vm_end

testing commit 62a8f1157592f6ed4e14fe2bb2e65e604ed7b109
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 62a8f1157592f6ed4e14fe2bb2e65e604ed7b109
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[72b7a7ea71a9cb141ec327883a3587dc8f0c96d9] ipc/shm: use VMA iterator instead of linked list

testing commit 72b7a7ea71a9cb141ec327883a3587dc8f0c96d9
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 72b7a7ea71a9cb141ec327883a3587dc8f0c96d9
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[db3473bdef7e0077736f5d050d5252bfe117d5d1] mm/msync: use vma_find() instead of vma linked list

testing commit db3473bdef7e0077736f5d050d5252bfe117d5d1
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip db3473bdef7e0077736f5d050d5252bfe117d5d1
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[4a40ee70d69a794405db8dfd743216bf15eb5215] exec: use VMA iterator instead of linked list

testing commit 4a40ee70d69a794405db8dfd743216bf15eb5215
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 4a40ee70d69a794405db8dfd743216bf15eb5215
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[6a2696f0e7aac0c13a5e2693cd1832682227d855] mm: convert vma_lookup() to use mtree_load()

testing commit 6a2696f0e7aac0c13a5e2693cd1832682227d855
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:1811:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 6a2696f0e7aac0c13a5e2693cd1832682227d855
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[752833c496330d4151602d7926f06b2f6b31d782] fs/proc/base: use maple tree iterators in place of linked list

testing commit 752833c496330d4151602d7926f06b2f6b31d782
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 752833c496330d4151602d7926f06b2f6b31d782
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[1c8d45b39ec9ac34cad7b27fec8ee75fde10d655] mm/mremap: use vma_find_intersection() instead of vma linked list

testing commit 1c8d45b39ec9ac34cad7b27fec8ee75fde10d655
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 1c8d45b39ec9ac34cad7b27fec8ee75fde10d655
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[aca2e4e0d0e0cc932b42b247bcead000659ee868] acct: use VMA iterator instead of linked list

testing commit aca2e4e0d0e0cc932b42b247bcead000659ee868
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip aca2e4e0d0e0cc932b42b247bcead000659ee868
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[6f9eeb3de329e0f25fa631aa87b6ea018e2a0825] mm/mprotect: use maple tree navigation instead of vma linked list

testing commit 6f9eeb3de329e0f25fa631aa87b6ea018e2a0825
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 6f9eeb3de329e0f25fa631aa87b6ea018e2a0825
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[2740788ead0bb3cee7a3bad2eaa9cc3b18b91fca] userfaultfd: use maple tree iterator to iterate VMAs

testing commit 2740788ead0bb3cee7a3bad2eaa9cc3b18b91fca
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 2740788ead0bb3cee7a3bad2eaa9cc3b18b91fca
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[080f0c105ca9980c4da249c62439a7bd932e595d] mm/mmap: reorganize munmap to use maple states

testing commit 080f0c105ca9980c4da249c62439a7bd932e595d
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 080f0c105ca9980c4da249c62439a7bd932e595d
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[f768d08a7fce83880ade0339dd9fd5f0d62acdf4] coredump: remove vma linked list walk

testing commit f768d08a7fce83880ade0339dd9fd5f0d62acdf4
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip f768d08a7fce83880ade0339dd9fd5f0d62acdf4
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[35dc2c3e9edd1b656a0b8862406d7202933906de] mm/mlock: use vma iterator and instead of vma linked list

testing commit 35dc2c3e9edd1b656a0b8862406d7202933906de
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 35dc2c3e9edd1b656a0b8862406d7202933906de
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[2824839e391047b06b21f46896f6ed5210250390] perf: use VMA iterator

testing commit 2824839e391047b06b21f46896f6ed5210250390
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 2824839e391047b06b21f46896f6ed5210250390
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[e49a273c8e70bd7655f62cb2eeeab6d25697f11e] mm/memcontrol: stop using mm->highest_vm_end

testing commit e49a273c8e70bd7655f62cb2eeeab6d25697f11e
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip e49a273c8e70bd7655f62cb2eeeab6d25697f11e
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[c9c5cc510b9f641e11e63dcea34008de2b17ca6d] mm/damon/core: add a function for damon_operations registration checks

testing commit c9c5cc510b9f641e11e63dcea34008de2b17ca6d
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ae876566ec8180ab4f8fe3fba3de9740252030d815e8c3fb5efc6f6e3b17bae0
all runs: crashed: KASAN: use-after-free Read in mas_next_nentry
# git bisect bad c9c5cc510b9f641e11e63dcea34008de2b17ca6d
Bisecting: 27 revisions left to test after this (roughly 5 steps)
[6b6ed03a686d6679f48a7e9260e83ab03326187f] mm/madvise: use vma_find() instead of vma linked list

testing commit 6b6ed03a686d6679f48a7e9260e83ab03326187f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 6b6ed03a686d6679f48a7e9260e83ab03326187f
Bisecting: 27 revisions left to test after this (roughly 5 steps)
[4d876e14b86044e4f1f5a02924e68910629ef960] damon: Convert __damon_va_three_regions to use the VMA iterator

testing commit 4d876e14b86044e4f1f5a02924e68910629ef960
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 218589a42cacf429f0c8a735fa054478ab60056c0fe275a1d8e7664b940ca131
failed: failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'disks/ci-upstream-linux-next-kasan-gce-root-bisect-job-bisect-job-image.tar.gz' ForceSendFields:[] NullFields:[]}.
# git bisect skip 4d876e14b86044e4f1f5a02924e68910629ef960
Bisecting: 27 revisions left to test after this (roughly 5 steps)
[ddfd643d935dc174f8986f2676e977939f320c84] mm/ksm: use vma iterators instead of vma linked list

testing commit ddfd643d935dc174f8986f2676e977939f320c84
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip ddfd643d935dc174f8986f2676e977939f320c84
Bisecting: 27 revisions left to test after this (roughly 5 steps)
[4993ce402b77c0d7c5647712cdab932f1b78488e] mm/mmap: drop range_has_overlap() function

testing commit 4993ce402b77c0d7c5647712cdab932f1b78488e
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2595:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 4993ce402b77c0d7c5647712cdab932f1b78488e
Bisecting: 27 revisions left to test after this (roughly 5 steps)
[0fd26d9bc73205bea76f33cb6101bdfff7691eb2] mm/khugepaged: stop using vma linked list

testing commit 0fd26d9bc73205bea76f33cb6101bdfff7691eb2
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
mm/mmap.c:2699:3: error: implicit declaration of function 'khugepaged_enter_vma_merge'; did you mean 'khugepaged_enter_vma'? [-Werror=implicit-function-declaration]
# git bisect skip 0fd26d9bc73205bea76f33cb6101bdfff7691eb2
Bisecting: 27 revisions left to test after this (roughly 5 steps)
[26caa5eb6ea5d620b5807d2f8d8e3517c273a97e] mm: remove rb tree.

testing commit 26caa5eb6ea5d620b5807d2f8d8e3517c273a97e
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0e0d3714bafe53b6f38f59ae78af3ac8c7e8d2907d1d09d4ccf57f593af1492b
all runs: OK
# git bisect good 26caa5eb6ea5d620b5807d2f8d8e3517c273a97e
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[539344c082ff34c8ee203392271b955d69631ab5] mm: optimize find_exact_vma() to use vma_lookup()

revisions tested: 15, total time: 8h9m31.499036962s (build: 6h24m13.890881805s, test: 1h42m34.000227035s)
error: bisection is taking too long (>8h0m0s), aborting