bisecting fixing commit since bf8f5de17442bba5f811e7e724980730e079ee11
building syzkaller on d5a5d045176c34bd1066e2b8ce843b3dc8a67ee0
testing commit bf8f5de17442bba5f811e7e724980730e079ee11 with gcc (GCC) 8.1.0
all runs: crashed: WARNING in task_participate_group_stop
testing current HEAD d45331b00ddb179e291766617259261c112db872
testing commit d45331b00ddb179e291766617259261c112db872 with gcc (GCC) 8.1.0
all runs: OK
# git bisect start d45331b00ddb179e291766617259261c112db872 bf8f5de17442bba5f811e7e724980730e079ee11
Bisecting: 51769 revisions left to test after this (roughly 16 steps)
[e0c38a4d1f196a4b17d2eba36afff8f656a4f1de] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
testing commit e0c38a4d1f196a4b17d2eba36afff8f656a4f1de with gcc (GCC) 8.1.0
all runs: crashed: WARNING in task_participate_group_stop
# git bisect good e0c38a4d1f196a4b17d2eba36afff8f656a4f1de
Bisecting: 26252 revisions left to test after this (roughly 15 steps)
[82efe439599439a5e1e225ce5740e6cfb777a7dd] Merge tag 'devicetree-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
testing commit 82efe439599439a5e1e225ce5740e6cfb777a7dd with gcc (GCC) 8.1.0
run #0: crashed: WARNING in task_participate_group_stop
run #1: OK
run #2: crashed: WARNING in task_participate_group_stop
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 82efe439599439a5e1e225ce5740e6cfb777a7dd
Bisecting: 13125 revisions left to test after this (roughly 14 steps)
[d2850ce0bdd772a85043b1f07af99205b96e6e2a] Merge branch 'bpf-libbpf-perf-rb-api'
testing commit d2850ce0bdd772a85043b1f07af99205b96e6e2a with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad d2850ce0bdd772a85043b1f07af99205b96e6e2a
Bisecting: 6550 revisions left to test after this (roughly 13 steps)
[55472bae5331f33582d9f0e8919fed8bebcda0da] Merge tag 'linux-watchdog-5.2-rc1' of git://www.linux-watchdog.org/linux-watchdog
testing commit 55472bae5331f33582d9f0e8919fed8bebcda0da with gcc (GCC) 8.1.0
run #0: crashed: WARNING in task_participate_group_stop
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: boot failed: can't ssh into the instance
run #9: OK
# git bisect good 55472bae5331f33582d9f0e8919fed8bebcda0da
Bisecting: 3261 revisions left to test after this (roughly 12 steps)
[036e34310931e64ce4f1edead435708cd517db10] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
testing commit 036e34310931e64ce4f1edead435708cd517db10 with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad 036e34310931e64ce4f1edead435708cd517db10
Bisecting: 1431 revisions left to test after this (roughly 11 steps)
[e8a1d70117116c8d96c266f0b99e931717670eaf] Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
testing commit e8a1d70117116c8d96c266f0b99e931717670eaf with gcc (GCC) 8.1.0
run #0: crashed: WARNING in task_participate_group_stop
run #1: crashed: WARNING in task_participate_group_stop
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 e8a1d70117116c8d96c266f0b99e931717670eaf
Bisecting: 719 revisions left to test after this (roughly 10 steps)
[a13f950ef13ff1eaf2ce14f5462ca59c4b60fdd0] Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
testing commit a13f950ef13ff1eaf2ce14f5462ca59c4b60fdd0 with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad a13f950ef13ff1eaf2ce14f5462ca59c4b60fdd0
Bisecting: 344 revisions left to test after this (roughly 9 steps)
[1718de78e6235c04ecb7f87a6875fdf90aafe382] Merge tag 'for-5.2/block-post-20190516' of git://git.kernel.dk/linux-block
testing commit 1718de78e6235c04ecb7f87a6875fdf90aafe382 with gcc (GCC) 8.1.0
run #0: crashed: WARNING in task_participate_group_stop
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: crashed: WARNING in task_participate_group_stop
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 1718de78e6235c04ecb7f87a6875fdf90aafe382
Bisecting: 185 revisions left to test after this (roughly 8 steps)
[c011d23ba046826ccf8c4a4a6c1d01c9ccaa1403] kvm: fix compilation on aarch64
testing commit c011d23ba046826ccf8c4a4a6c1d01c9ccaa1403 with gcc (GCC) 8.1.0
run #0: crashed: WARNING in task_participate_group_stop
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 c011d23ba046826ccf8c4a4a6c1d01c9ccaa1403
Bisecting: 97 revisions left to test after this (roughly 7 steps)
[86a78a8b8d0414455c2174852968ce54205add82] Merge tag 'powerpc-5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
testing commit 86a78a8b8d0414455c2174852968ce54205add82 with gcc (GCC) 8.1.0
run #0: crashed: WARNING in task_participate_group_stop
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 86a78a8b8d0414455c2174852968ce54205add82
Bisecting: 53 revisions left to test after this (roughly 6 steps)
[39feaa3ff4453594297574e116a55bd6d5371f37] Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
testing commit 39feaa3ff4453594297574e116a55bd6d5371f37 with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad 39feaa3ff4453594297574e116a55bd6d5371f37
Bisecting: 22 revisions left to test after this (roughly 5 steps)
[3c7f51bfad49d22ebb5c2993d715358e5df2d7c1] Merge tag 'tegra-for-5.2-arm64-soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/late
testing commit 3c7f51bfad49d22ebb5c2993d715358e5df2d7c1 with gcc (GCC) 8.1.0
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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor175634892" "root@10.128.10.54:./syz-executor175634892"]: exit status 1
ssh: connect to host 10.128.10.54 port 22: Connection timed out
lost connection

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 bad 3c7f51bfad49d22ebb5c2993d715358e5df2d7c1
Bisecting: 9 revisions left to test after this (roughly 3 steps)
[c32beba325d8c54d8affa158a0a54643ba87eab4] Merge tag 'mvebu-arm-5.2-1' of git://git.infradead.org/linux-mvebu into arm/late
testing commit c32beba325d8c54d8affa158a0a54643ba87eab4 with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad c32beba325d8c54d8affa158a0a54643ba87eab4
Bisecting: 5 revisions left to test after this (roughly 3 steps)
[163d65cbf3bace75f6b0bc83fa4e8ca8795579cf] Merge tag 'omap-for-v5.1/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/late
testing commit 163d65cbf3bace75f6b0bc83fa4e8ca8795579cf with gcc (GCC) 8.1.0
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: crashed: WARNING in task_participate_group_stop
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 163d65cbf3bace75f6b0bc83fa4e8ca8795579cf
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[3ab2b5fdd1d8fa92dae631b913553e8798be23a7] ARM: mvebu: drop unnecessary label
testing commit 3ab2b5fdd1d8fa92dae631b913553e8798be23a7 with gcc (GCC) 8.1.0
all runs: crashed: WARNING in task_participate_group_stop
# git bisect good 3ab2b5fdd1d8fa92dae631b913553e8798be23a7
Bisecting: 0 revisions left to test after this (roughly 1 step)
[7af2ea3b29b1640f5aafe79d7c110ce66190c04a] ARM: mvebu: drop return from void function
testing commit 7af2ea3b29b1640f5aafe79d7c110ce66190c04a with gcc (GCC) 8.1.0
run #0: crashed: WARNING in task_participate_group_stop
run #1: crashed: WARNING in task_participate_group_stop
run #2: crashed: WARNING in task_participate_group_stop
run #3: crashed: WARNING in corrupted
run #4: crashed: WARNING in task_participate_group_stop
run #5: crashed: WARNING in task_participate_group_stop
run #6: crashed: WARNING in task_participate_group_stop
run #7: crashed: WARNING in task_participate_group_stop
run #8: crashed: WARNING in task_participate_group_stop
run #9: crashed: WARNING in task_participate_group_stop
# git bisect good 7af2ea3b29b1640f5aafe79d7c110ce66190c04a
c32beba325d8c54d8affa158a0a54643ba87eab4 is the first bad commit
revisions tested: 18, total time: 4h37m48.794019458s (build: 1h32m14.285155539s, test: 2h57m45.594603974s)
first good commit: c32beba325d8c54d8affa158a0a54643ba87eab4 Merge tag 'mvebu-arm-5.2-1' of git://git.infradead.org/linux-mvebu into arm/late
cc: ["clang-built-linux@googlegroups.com" "olof@lixom.net"]