bisecting cause commit starting from ae085d7f9365de7da27ab5c0d16b12d51ea7fca9
building syzkaller on ee339263ba6b1a08006ea3e8e1862e15181a640d
testing commit ae085d7f9365de7da27ab5c0d16b12d51ea7fca9
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 497a2032fde1927a22366e8c2dc4b0102598123dc6b5926558982a0979131ab9
run #0: crashed: WARNING in j1939_session_deactivate_activate_next
run #1: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #2: crashed: WARNING in j1939_session_deactivate_activate_next
run #3: crashed: WARNING in j1939_session_deactivate_activate_next
run #4: crashed: WARNING in j1939_session_deactivate_activate_next
run #5: crashed: WARNING in j1939_session_deactivate_activate_next
run #6: crashed: WARNING in j1939_session_deactivate_activate_next
run #7: crashed: WARNING in j1939_session_deactivate_activate_next
run #8: crashed: WARNING in j1939_session_deactivate_activate_next
run #9: crashed: WARNING in j1939_session_deactivate_activate_next
run #10: crashed: WARNING in j1939_session_deactivate_activate_next
run #11: crashed: WARNING in j1939_session_deactivate_activate_next
run #12: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #13: crashed: WARNING in j1939_session_deactivate_activate_next
run #14: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #15: crashed: WARNING in j1939_session_deactivate_activate_next
run #16: crashed: WARNING in j1939_session_deactivate_activate_next
run #17: crashed: WARNING in j1939_session_deactivate_activate_next
run #18: crashed: WARNING in j1939_session_deactivate_activate_next
run #19: crashed: WARNING in j1939_session_deactivate_activate_next
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: da0395d092f752834d94a1f038d12df4cd433aa3e3ad5431b4ebe6c60238007c
run #0: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #1: crashed: WARNING in j1939_session_deactivate_activate_next
run #2: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #3: crashed: WARNING in j1939_session_deactivate_activate_next
run #4: crashed: WARNING in j1939_session_deactivate_activate_next
run #5: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #6: crashed: WARNING in j1939_session_deactivate_activate_next
run #7: crashed: WARNING in j1939_session_deactivate_activate_next
run #8: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #9: crashed: WARNING in j1939_session_deactivate_activate_next
testing release v5.16
testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8da040dc1a82781995db44be1898ddd698b8a56c20f4c6a1c89e5c40192da712
run #0: crashed: WARNING in j1939_session_deactivate
run #1: crashed: WARNING in j1939_session_deactivate
run #2: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #3: crashed: WARNING in j1939_session_deactivate
run #4: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #5: crashed: WARNING in j1939_session_deactivate
run #6: OK
run #7: OK
run #8: OK
run #9: OK
testing release v5.15
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 4e15a2b245f8c11c6d3691fcc9f769a458d8ffae64d584d41499cdda5fb627da
run #0: crashed: WARNING in j1939_session_deactivate
run #1: crashed: WARNING in j1939_session_deactivate
run #2: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #3: crashed: WARNING in j1939_session_deactivate
run #4: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #5: crashed: WARNING in j1939_session_deactivate
run #6: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #7: crashed: WARNING in j1939_session_deactivate
run #8: crashed: WARNING in j1939_session_deactivate
run #9: crashed: WARNING in j1939_session_deactivate
testing release v5.14
testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f5f82d11827a7ec878f663735fa98d7da0fdb5d6a03e36ad4b924fd9e255895c
run #0: crashed: WARNING in j1939_session_deactivate
run #1: crashed: WARNING in j1939_session_deactivate
run #2: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #3: crashed: WARNING in j1939_session_deactivate
run #4: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #5: crashed: WARNING in j1939_session_deactivate
run #6: crashed: WARNING in j1939_session_deactivate
run #7: crashed: WARNING in j1939_session_deactivate
run #8: OK
run #9: OK
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: dc9fe8b47b3a28e0402efe68f7afb111f65caecf36a2c21b8651c9e1aeda9e26
run #0: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #1: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #2: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #3: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #4: crashed: KASAN: use-after-free Read in j1939_xtp_rx_dat_one
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
testing release v5.12
testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 4b047dca0357dcc741e1d3cb043d75859b78b586cf11c3bf40b7b97b5b92bdc5
all runs: OK
# git bisect start 62fb9874f5da54fdb243003b386128037319b219 9f4ad9e425a1d3b6a34617b8ea226d56a119a717
Bisecting: 8739 revisions left to test after this (roughly 13 steps)
[85f3f17b5db2dd9f8a094a0ddc665555135afd22] Merge branch 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-5.13

testing commit 85f3f17b5db2dd9f8a094a0ddc665555135afd22
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6fc377421d094a7ee0de5a30a330d0704e4973e39d21c833bcfd64d1ccd84846
all runs: OK
# git bisect good 85f3f17b5db2dd9f8a094a0ddc665555135afd22
Bisecting: 4372 revisions left to test after this (roughly 12 steps)
[77a88274dc1a2cf3a775161d9a3242bc798ee680] kbuild: replace LANG=C with LC_ALL=C

testing commit 77a88274dc1a2cf3a775161d9a3242bc798ee680
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f59af631fe807cc67c0752e427dfd0f93aa387bcac604e1d4ea91ccf7e49b08f
run #0: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #1: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #2: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #4: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #5: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #6: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #7: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #8: crashed: WARNING in __nf_unregister_net_hook
run #9: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor1674951017" "root@10.128.0.209:./syz-executor1674951017"]: exit status 1
ssh: connect to host 10.128.0.209 port 22: Connection timed out
lost connection

# git bisect bad 77a88274dc1a2cf3a775161d9a3242bc798ee680
Bisecting: 2184 revisions left to test after this (roughly 11 steps)
[aeacb52a8de7046be5399ba311f49bce96e1b269] net/mlx5: DR, Add support for isolate_vl_tc QP

testing commit aeacb52a8de7046be5399ba311f49bce96e1b269
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 35d8495545fc3a758c750e70b7e05e9345b9c7c684c53999a61bd363554e6e5c
run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.3:./syz-fuzzer"]: exit status 1
ssh: connect to host 10.128.10.3 port 22: Connection timed out
lost connection

run #1: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.24:./syz-fuzzer"]: exit status 1
ssh: connect to host 10.128.0.24 port 22: Connection timed out
lost connection

run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.253:./syz-fuzzer"]: exit status 1
ssh: connect to host 10.128.0.253 port 22: Connection timed out
lost connection

run #3: basic kernel testing failed: failed to copy test binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.0:./syz-fuzzer"]
run #4: basic kernel testing failed: failed to copy test binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.94:./syz-fuzzer"]
run #5: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb
run #6: boot failed: KASAN: use-after-free Read in page_to_skb
run #7: boot failed: KASAN: use-after-free Read in page_to_skb
run #8: boot failed: KASAN: use-after-free Read in page_to_skb
run #9: boot failed: KASAN: use-after-free Read in page_to_skb
# git bisect skip aeacb52a8de7046be5399ba311f49bce96e1b269
Bisecting: 2184 revisions left to test after this (roughly 11 steps)
[b42446b9b37ba444ba12d89dd9d45c2b68768f24] stmmac: intel: add support for multi-vector msi and msi-x

testing commit b42446b9b37ba444ba12d89dd9d45c2b68768f24
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8093739aa5f59fa0c24c29d2ea44e0e56e79dc2632aff4af7e2ab1a931a50044
all runs: OK
# git bisect good b42446b9b37ba444ba12d89dd9d45c2b68768f24
Bisecting: 1734 revisions left to test after this (roughly 11 steps)
[4b5baca0403e2b6308e68938dc4d94912f5b8e28] net: dsa: microchip: ksz8795: change drivers prefix to be generic

testing commit 4b5baca0403e2b6308e68938dc4d94912f5b8e28
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 66d2d6ba3bccea67dd8ba1f7fe4d588c390da67d311b3c68050a7382dc7b1199
all runs: basic kernel testing failed: WARNING in __nf_unregister_net_hook
# git bisect skip 4b5baca0403e2b6308e68938dc4d94912f5b8e28
Bisecting: 1734 revisions left to test after this (roughly 11 steps)
[8caadc43f2019caebbf314f7a6ae2faed791e783] selftests/bpf: Add re-attach test to fexit_test

testing commit 8caadc43f2019caebbf314f7a6ae2faed791e783
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 468334e4bcc98d49fb6a7f673d4ff6aaf89ccbd507cce1d14de2c776b9895160
all runs: OK
# git bisect good 8caadc43f2019caebbf314f7a6ae2faed791e783
Bisecting: 1161 revisions left to test after this (roughly 10 steps)
[95275402f66e88c56144a2d859c13594b651b29b] Merge tag 'drm-next-2021-04-30' of git://anongit.freedesktop.org/drm/drm

testing commit 95275402f66e88c56144a2d859c13594b651b29b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d10e75b44ebd7efcbc1a0c3d712a5ddb9123627bacf82f194cd8ad0f4923a737
all runs: basic kernel testing failed: WARNING in __nf_unregister_net_hook
# git bisect skip 95275402f66e88c56144a2d859c13594b651b29b
Bisecting: 1161 revisions left to test after this (roughly 10 steps)
[63fa73e2151848ed5930dfe0040c823ffe1f2cc4] net: Fix typo in comment about ancillary data

testing commit 63fa73e2151848ed5930dfe0040c823ffe1f2cc4
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2727241f7c33bfd145b995d0ef6d97786ab4f1d5e10bf7c517ed18d5069149aa
all runs: basic kernel testing failed: WARNING in __nf_unregister_net_hook
# git bisect skip 63fa73e2151848ed5930dfe0040c823ffe1f2cc4
Bisecting: 1161 revisions left to test after this (roughly 10 steps)
[e25704f84ca2b586e8e65d1b2ab686205b3076fe] ASoC: simple-card-utils: remove asoc_simple_parse_xxx()

testing commit e25704f84ca2b586e8e65d1b2ab686205b3076fe
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f6e6c40b149a502c224b3f86ba9f18ae8d51951619907defa8caeb2ecf256f10
all runs: OK
# git bisect good e25704f84ca2b586e8e65d1b2ab686205b3076fe
Bisecting: 713 revisions left to test after this (roughly 10 steps)
[e9a470acd930574be812663708dfad6f6f94d80a] fs: dlm: set subclass for othercon sock_mutex

testing commit e9a470acd930574be812663708dfad6f6f94d80a
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: dfe26f5730158fa156fa131c4995b8836fb786cdf7975eb39ca78444a2b85030
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: boot failed: WARNING in kvm_wait
# git bisect good e9a470acd930574be812663708dfad6f6f94d80a
Bisecting: 709 revisions left to test after this (roughly 9 steps)
[0f20615d64ee2ad5e2a133a812382d0c4071589b] selftests/bpf: Fix BPF_CORE_READ_BITFIELD() macro

testing commit 0f20615d64ee2ad5e2a133a812382d0c4071589b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2af0db4ed04b68a6d9b08a4a734d5bc04c75508a180a95a792c8a9cbdd4c3e2f
all runs: OK
# git bisect good 0f20615d64ee2ad5e2a133a812382d0c4071589b
Bisecting: 709 revisions left to test after this (roughly 9 steps)
[fab765c210130113ede5f8754c6a158fa0e4f960] mm: page_owner: fetch backtrace only for tracked pages

testing commit fab765c210130113ede5f8754c6a158fa0e4f960
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2320ed70607b382d6f4cd26909736a1155f72d5092d8d3d4ab05a4b9ad3ebe2c
run #0: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #1: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #2: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #4: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #5: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #6: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #7: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #8: crashed: WARNING in __nf_unregister_net_hook
run #9: crashed: WARNING in __nf_unregister_net_hook
# git bisect bad fab765c210130113ede5f8754c6a158fa0e4f960
Bisecting: 119 revisions left to test after this (roughly 7 steps)
[f89271f09f589b8e9f98a9d3373d4868d3e668a5] Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

testing commit f89271f09f589b8e9f98a9d3373d4868d3e668a5
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 3104a7a9c1cfa5d90d20be64f71f74c2fea3ea73d21a164810e9d0f70a773326
all runs: basic kernel testing failed: WARNING in __nf_unregister_net_hook
# git bisect skip f89271f09f589b8e9f98a9d3373d4868d3e668a5
Bisecting: 119 revisions left to test after this (roughly 7 steps)
[bb23ffa1015cb57e0c9ec3c6135275b38d66a780] macvlan: Use 'hash' iterators to simplify code

testing commit bb23ffa1015cb57e0c9ec3c6135275b38d66a780
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: a5b0326bea4aa2d6c78070b75cd0052606d960f88b9c11c42480d01571319a8e
run #0: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #1: crashed: WARNING in __nf_unregister_net_hook
run #2: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #4: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #5: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #6: crashed: WARNING in __nf_unregister_net_hook
run #7: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #8: crashed: WARNING in __nf_unregister_net_hook
run #9: crashed: WARNING in __nf_unregister_net_hook
# git bisect bad bb23ffa1015cb57e0c9ec3c6135275b38d66a780
Bisecting: 38 revisions left to test after this (roughly 5 steps)
[6876a18d3361e1893187970e1881a1d88d894d3f] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

testing commit 6876a18d3361e1893187970e1881a1d88d894d3f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d9f4622241196b92de1e49c536699e49dbc4aef0fea542651d10eaad3be14cc3
all runs: OK
# git bisect good 6876a18d3361e1893187970e1881a1d88d894d3f
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[797d49805ddc6595b2fafe3e9ceff7f562be1f2c] netfilter: nfnetlink: pass struct nfnl_info to rcu callbacks

testing commit 797d49805ddc6595b2fafe3e9ceff7f562be1f2c
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e6bfafb487991b66d2c7607ba1bb4492e29345a9928a49135bae4e9a66e67ccd
run #0: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM
run #2: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #4: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #5: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #6: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #7: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #8: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #9: basic kernel testing failed: WARNING in __nf_unregister_net_hook
# git bisect skip 797d49805ddc6595b2fafe3e9ceff7f562be1f2c
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[7dab8ee3b6e7ec856a616d07ebb9ebd736c92520] netfilter: nfnetlink: pass struct nfnl_info to batch callbacks

testing commit 7dab8ee3b6e7ec856a616d07ebb9ebd736c92520
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2fc07eb531e09f7b86daea995a3bb0cda11c62d1577eb2a65e51bddfcd2d8309
all runs: basic kernel testing failed: WARNING in __nf_unregister_net_hook
# git bisect skip 7dab8ee3b6e7ec856a616d07ebb9ebd736c92520
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[ae689334225ff0e4ef112459ecd24aea932c2b00] netfilter: ip_tables: pass table pointer via nf_hook_ops

testing commit ae689334225ff0e4ef112459ecd24aea932c2b00
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 13e09e35377dc6db56a1ef72f02aa4b14926b8cdeaa672a51c827651e2b87a69
all runs: OK
# git bisect good ae689334225ff0e4ef112459ecd24aea932c2b00
Bisecting: 13 revisions left to test after this (roughly 4 steps)
[9176e38027195346f50ab885498678ca7ae55a21] net: davicom: Remove redundant assignment to ret

testing commit 9176e38027195346f50ab885498678ca7ae55a21
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 89cafea61a461d343e5d854025b9b309c12f4852640e26f0c06173eca67c7b8f
all runs: basic kernel testing failed: WARNING in __nf_unregister_net_hook
# git bisect skip 9176e38027195346f50ab885498678ca7ae55a21
Bisecting: 13 revisions left to test after this (roughly 4 steps)
[1c9690dd308efd05e7f390c15bc4f26842822bf5] can: etas_es58x: Fix a couple of spelling mistakes

testing commit 1c9690dd308efd05e7f390c15bc4f26842822bf5
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 13c1634ad184cfe83feecf9665e87a3d98d606e091a368fb3a33b7587618f65f
all runs: OK
# git bisect good 1c9690dd308efd05e7f390c15bc4f26842822bf5
Bisecting: 11 revisions left to test after this (roughly 4 steps)
[6d72e7c767acbbdd44ebc7d89c6690b405b32b57] net:emac/emac-mac: Fix a use after free in emac_mac_tx_buf_send

testing commit 6d72e7c767acbbdd44ebc7d89c6690b405b32b57
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 4df27deb70efa2705c8d0d450c3977560a0e016a3edd3f3ff8e484bb4a0644e1
all runs: basic kernel testing failed: WARNING in __nf_unregister_net_hook
# git bisect skip 6d72e7c767acbbdd44ebc7d89c6690b405b32b57
Bisecting: 11 revisions left to test after this (roughly 4 steps)
[47a6959fa331fe892a4fc3b48ca08e92045c6bda] netfilter: allow to turn off xtables compat layer

testing commit 47a6959fa331fe892a4fc3b48ca08e92045c6bda
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 7aadff52ac82b4b181ad93a3a9aa7fdebdd7b48bc7524ceebcb3a6dc501daaff
run #0: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #1: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #2: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #4: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #5: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #6: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #7: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #8: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #9: crashed: WARNING in __nf_unregister_net_hook
# git bisect bad 47a6959fa331fe892a4fc3b48ca08e92045c6bda
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[d59d2f82f984df44b31c5d7837fc2f62268b7571] netfilter: nftables: add nft_pernet() helper function

testing commit d59d2f82f984df44b31c5d7837fc2f62268b7571
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: aabe909ebb1e1ecd9191c5e478b65e4aaa34246a4def3312f4878871ac75c2a5
run #0: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #1: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #2: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #4: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #5: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #6: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #7: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #8: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #9: crashed: WARNING in __nf_unregister_net_hook
# git bisect bad d59d2f82f984df44b31c5d7837fc2f62268b7571
Bisecting: 2 revisions left to test after this (roughly 1 step)
[ee177a54413a33fe474d55fabb5f8ff390bb27d7] netfilter: ip6_tables: pass table pointer via nf_hook_ops

testing commit ee177a54413a33fe474d55fabb5f8ff390bb27d7
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 7e4544278b215e77aaa42f29edf565fc376422e9c8671508b5ae7e07b57f04b2
run #0: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #1: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #2: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #4: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #5: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #6: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #7: basic kernel testing failed: WARNING in __nf_unregister_net_hook
run #8: crashed: WARNING in __nf_unregister_net_hook
run #9: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/tmp/syz-executor371976443" "root@10.128.1.25:./syz-executor371976443"]: exit status 1
ssh: connect to host 10.128.1.25 port 22: Connection timed out
lost connection

# git bisect bad ee177a54413a33fe474d55fabb5f8ff390bb27d7
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[f9006acc8dfe59e25aa75729728ac57a8d84fc32] netfilter: arp_tables: pass table pointer via nf_hook_ops

testing commit f9006acc8dfe59e25aa75729728ac57a8d84fc32
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0995db79d84c49e3dacd6566bfcd9b8199239e671bec44f46556dd49e192b6ac
all runs: basic kernel testing failed: WARNING in __nf_unregister_net_hook
# git bisect skip f9006acc8dfe59e25aa75729728ac57a8d84fc32
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
f9006acc8dfe59e25aa75729728ac57a8d84fc32
ee177a54413a33fe474d55fabb5f8ff390bb27d7
We cannot bisect more!

revisions tested: 32, total time: 5h52m7.277718224s (build: 3h39m29.822365582s, test: 2h9m13.66651401s)
bisection is inconclusive, the first bad commit could be any of:
f9006acc8dfe59e25aa75729728ac57a8d84fc32
ee177a54413a33fe474d55fabb5f8ff390bb27d7