bisecting cause commit starting from c1b13fe76e95c0f64c9dba9876dfbdb0bd862d99
building syzkaller on 7eb7e15259fddd67759f90feb2b016da878f76c7
testing commit c1b13fe76e95c0f64c9dba9876dfbdb0bd862d99
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 02fd0ec196c8f5d6498737cd663120e824fddc442913b92a8a6ce57711212498
all runs: crashed: WARNING in sco_sock_sendmsg
testing release v5.14
testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 92e7ebdbf2fb523cffb3c9b265055e5b0deccc61334a1c71eee4b4a23f798170
all runs: OK
# git bisect start c1b13fe76e95c0f64c9dba9876dfbdb0bd862d99 7d2a07b769330c34b4deabeed939325c77a7ec2f
Bisecting: 5870 revisions left to test after this (roughly 13 steps)
[8c650d3ba759b0f4e00f8701101bfe2e7aaeec43] Merge remote-tracking branch 'rdma/for-next'

testing commit 8c650d3ba759b0f4e00f8701101bfe2e7aaeec43
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 0cdba266d42dce4bff4519caf4d9998781975d95c88c22059046ab6923825ee0
all runs: OK
# git bisect good 8c650d3ba759b0f4e00f8701101bfe2e7aaeec43
Bisecting: 2545 revisions left to test after this (roughly 12 steps)
[cde659d9720bd810b8638477408ea2b217499c16] Merge remote-tracking branch 'drm/drm-next'

testing commit cde659d9720bd810b8638477408ea2b217499c16
arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]
# git bisect skip cde659d9720bd810b8638477408ea2b217499c16
Bisecting: 2545 revisions left to test after this (roughly 12 steps)
[81162f4bdeca7cedd4176f61cfec778af3fa5dc1] drm/panel: simple: add Multi-Innotechnology MI1010AIT-1CP1

testing commit 81162f4bdeca7cedd4176f61cfec778af3fa5dc1
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 0497034eca147af45a5a7cb546d12cfce6787ed8b8527313e698f6ce62c4c0e4
all runs: OK
# git bisect good 81162f4bdeca7cedd4176f61cfec778af3fa5dc1
Bisecting: 2545 revisions left to test after this (roughly 11 steps)
[246b184fffdcead3710228e3bff744ce8c9828a3] pktgen: document the latest pktgen usage options

testing commit 246b184fffdcead3710228e3bff744ce8c9828a3
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: e4e07276f2915b65226cebb9c9685889748ac6dacf2e0184c7b75033b47378e5
all runs: OK
# git bisect good 246b184fffdcead3710228e3bff744ce8c9828a3
Bisecting: 1836 revisions left to test after this (roughly 11 steps)
[60bbdff873253d9199311c8573f2e16562cf7401] Merge remote-tracking branch 'kvm-arm/next'

testing commit 60bbdff873253d9199311c8573f2e16562cf7401
arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]
# git bisect skip 60bbdff873253d9199311c8573f2e16562cf7401
Bisecting: 1836 revisions left to test after this (roughly 11 steps)
[ca49bfd90a9dde175d2929dc1544b54841e33804] sch_htb: Fix inconsistency when leaf qdisc creation fails

testing commit ca49bfd90a9dde175d2929dc1544b54841e33804
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: b0e6ea4459862cb5892a66ae530bd032b57490fdb48e73c23bcfbb02087cd6c1
all runs: OK
# git bisect good ca49bfd90a9dde175d2929dc1544b54841e33804
Bisecting: 1747 revisions left to test after this (roughly 11 steps)
[76c8e7692b85c0fbeb87f3a8a706dde7ef248558] Merge remote-tracking branch 'ipmi/for-next'

testing commit 76c8e7692b85c0fbeb87f3a8a706dde7ef248558
arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]
# git bisect skip 76c8e7692b85c0fbeb87f3a8a706dde7ef248558
Bisecting: 1747 revisions left to test after this (roughly 11 steps)
[49c4959f04b587c8909b33adca4066995c768d60] dmaengine: idxd: fix sequence for pci driver remove() and shutdown()

testing commit 49c4959f04b587c8909b33adca4066995c768d60
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 035e15eec34370d025903c2c6f6f9578e4471c320c1c91a0ff95624442e47665
run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in stack_depot_save
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 49c4959f04b587c8909b33adca4066995c768d60
Bisecting: 1739 revisions left to test after this (roughly 11 steps)
[a4f94eca32e039880cc2f3a5fcac8f1270e6850b] Merge remote-tracking branch 'chrome-platform/for-next'

testing commit a4f94eca32e039880cc2f3a5fcac8f1270e6850b
arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]
# git bisect skip a4f94eca32e039880cc2f3a5fcac8f1270e6850b
Bisecting: 1739 revisions left to test after this (roughly 11 steps)
[69dc8010b8fca475170650a4ebbc0074541df859] Merge branch 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

testing commit 69dc8010b8fca475170650a4ebbc0074541df859
arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]
# git bisect skip 69dc8010b8fca475170650a4ebbc0074541df859
Bisecting: 1739 revisions left to test after this (roughly 11 steps)
[2dbf7cde53bec4f4d197b9d9af6f0fd6c37e5959] scsi: lpfc: Update lpfc version to 14.0.0.1

testing commit 2dbf7cde53bec4f4d197b9d9af6f0fd6c37e5959
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: d1ae057eb56406a1e0df69939206bdb1e20e182e92c317812249e75cc01155c4
all runs: OK
# git bisect good 2dbf7cde53bec4f4d197b9d9af6f0fd6c37e5959
Bisecting: 1618 revisions left to test after this (roughly 11 steps)
[72d626dc6d1be2591d7066a5155d8fbc1fd3c0bd] Merge remote-tracking branch 'kvm/next'

testing commit 72d626dc6d1be2591d7066a5155d8fbc1fd3c0bd
arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]
# git bisect skip 72d626dc6d1be2591d7066a5155d8fbc1fd3c0bd
Bisecting: 1618 revisions left to test after this (roughly 11 steps)
[6d01cb2324d0cf1272062cf0d08cc8cd34e968d0] checkpatch: make email address check case insensitive

testing commit 6d01cb2324d0cf1272062cf0d08cc8cd34e968d0
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 5889d82146e96b0e9850a131143cb273519d0ffec3d5d1abb22ba1e0a3c3e1e7
all runs: OK
# git bisect good 6d01cb2324d0cf1272062cf0d08cc8cd34e968d0
Bisecting: 1405 revisions left to test after this (roughly 11 steps)
[1d9e7e9e6d4141f24748bc68c83b2ff719d2e815] Merge remote-tracking branch 'rcu/rcu/next'

testing commit 1d9e7e9e6d4141f24748bc68c83b2ff719d2e815
arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]
# git bisect skip 1d9e7e9e6d4141f24748bc68c83b2ff719d2e815
Bisecting: 1405 revisions left to test after this (roughly 11 steps)
[5e70a09c54c4d7ce8c8a573005889a5301cda4c4] dmaengine: ti: k3-psil-j721e: Add entry for CSI2RX

testing commit 5e70a09c54c4d7ce8c8a573005889a5301cda4c4
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: f086d788646790cf0db882bf313711538e8587fd36d24e9060d1c7867b98a60e
all runs: OK
# git bisect good 5e70a09c54c4d7ce8c8a573005889a5301cda4c4
Bisecting: 1426 revisions left to test after this (roughly 11 steps)
[2f691d9b9c7c96dd74d67cbd576873ac77461f09] Merge remote-tracking branch 'ftrace/for-next'

testing commit 2f691d9b9c7c96dd74d67cbd576873ac77461f09
arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]
# git bisect skip 2f691d9b9c7c96dd74d67cbd576873ac77461f09
Bisecting: 1426 revisions left to test after this (roughly 11 steps)
[d7ab8e67aa52e27837aefdc0d67af93ae0931abc] Merge branch 'for-4.18/upstream' into for-next

testing commit d7ab8e67aa52e27837aefdc0d67af93ae0931abc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e29eff8eecb61c06be9baa982bed2bc808984380fdb25fa72c26967c23dd6bd5
run #0: OK
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: crashed: general protection fault in batadv_iv_ogm_queue_add
reproducer seems to be flaky
# git bisect bad d7ab8e67aa52e27837aefdc0d67af93ae0931abc
Bisecting: 0 revisions left to test after this (roughly 1 step)
[3beed9bf1e3d1ca7a8c6a4f626dce447ab40d5d1] Merge branch 'for-4.17/upstream-fixes' into for-next

testing commit 3beed9bf1e3d1ca7a8c6a4f626dce447ab40d5d1
orc_dump.c:106:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
orc_dump.c:111:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
elf.c:135:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:140:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
pager.c:36:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
/bin/sh: 1: tools/objtool//fixdep: Permission denied
# git bisect skip 3beed9bf1e3d1ca7a8c6a4f626dce447ab40d5d1
Bisecting: 0 revisions left to test after this (roughly 1 step)
[d13f5d84ca2774e76f8461a383c222cbc75adad5] Merge branch 'for-4.16/signal-sysfs-force-v2' into for-next

testing commit d13f5d84ca2774e76f8461a383c222cbc75adad5
orc_dump.c:105:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
orc_dump.c:110:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
elf.c:134:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations]
elf.c:139:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations]
pager.c:36:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict]
/bin/sh: 1: tools/objtool//fixdep: Permission denied
# git bisect skip d13f5d84ca2774e76f8461a383c222cbc75adad5
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
3beed9bf1e3d1ca7a8c6a4f626dce447ab40d5d1
d13f5d84ca2774e76f8461a383c222cbc75adad5
d7ab8e67aa52e27837aefdc0d67af93ae0931abc
We cannot bisect more!

Reproducer flagged being flaky
revisions tested: 11, total time: 3h40m17.500759144s (build: 2h5m10.567119814s, test: 1h32m5.018179468s)
bisection is inconclusive, the first bad commit could be any of:
3beed9bf1e3d1ca7a8c6a4f626dce447ab40d5d1
d13f5d84ca2774e76f8461a383c222cbc75adad5
d7ab8e67aa52e27837aefdc0d67af93ae0931abc