bisecting cause commit starting from 9a73fa375d58fee5262dd16473c8e7522bdf44de
building syzkaller on 6972b10616d785401dea17cec890cca8916424a7
testing commit 9a73fa375d58fee5262dd16473c8e7522bdf44de
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 0dcffccaa21d1c0da5625396c5126ea5a32bdf0de78e2871064fe8b9da3d0290
run #0: crashed: INFO: task hung in sys_acct
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" "/tmp/syz-executor891597685" "root@10.128.0.209:./syz-executor891597685"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.0.209 port 22 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" "/tmp/syz-executor106014227" "root@10.128.10.17:./syz-executor106014227"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.17 port 22 timed out
lost connection

run #3: 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-executor601415358" "root@10.128.10.25:./syz-executor601415358"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.25 port 22 timed out
lost connection

run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: crashed: INFO: task hung in sys_acct
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
reproducer seems to be flaky
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 909f5b513362d755e99068620c19525cb2afd91ca8725228219fd46574a48866
run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #1: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #2: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #3: crashed: INFO: task hung in sys_acct
run #4: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #5: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #6: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #7: crashed: BUG: sleeping function called from invalid context in lock_sock_nested
run #8: OK
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-executor129586951" "root@10.128.1.103:./syz-executor129586951"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.1.103 port 22 timed out
lost connection

run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v5.12
testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: bb4e26dd8f4a005b0fd76547575ef29621d4d502b5251ddaf0a5696974104629
run #0: crashed: INFO: task hung in sys_acct
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" "/tmp/syz-executor538170931" "root@10.128.1.116:./syz-executor538170931"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.1.116 port 22 timed out
lost connection

run #2: OK
run #3: OK
run #4: 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-executor099097125" "root@10.128.0.148:./syz-executor099097125"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.0.148 port 22 timed out
lost connection

run #5: OK
run #6: crashed: INFO: task hung in sys_acct
run #7: crashed: INFO: task hung in sys_acct
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: crashed: INFO: task hung in sys_acct
run #13: OK
run #14: OK
run #15: crashed: INFO: task hung in sys_acct
run #16: OK
run #17: OK
run #18: OK
run #19: crashed: INFO: task hung in sys_acct
testing release v5.11
testing commit f40ddce88593482919761f74910f42f4b84c004b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 3222e6ed80513dd888ba5df1ed0bb0fed90b38311471a07f8ebfef14f678fd42
run #0: crashed: INFO: task hung in sys_acct
run #1: crashed: INFO: task hung in sys_acct
run #2: crashed: INFO: task hung in sys_acct
run #3: 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-executor020667714" "root@10.128.0.93:./syz-executor020667714"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.0.93 port 22 timed out
lost connection

run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: crashed: INFO: task hung in sys_acct
testing release v5.10
testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 35c88fb67e0626f0232c5254d6e9f188ff33bdc5ecf75a2e20b39b0354577e82
run #0: crashed: INFO: task hung in sys_acct
run #1: crashed: INFO: task hung in sys_acct
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" "/tmp/syz-executor933859127" "root@10.128.0.165:./syz-executor933859127"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.0.165 port 22 timed out
lost connection

run #3: 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-executor686557313" "root@10.128.1.61:./syz-executor686557313"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.1.61 port 22 timed out
lost connection

run #4: 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-executor460793854" "root@10.128.0.152:./syz-executor460793854"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.0.152 port 22 timed out
lost connection

run #5: 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-executor245636064" "root@10.128.10.19:./syz-executor245636064"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.19 port 22 timed out
lost connection

run #6: 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-executor709067337" "root@10.128.10.30:./syz-executor709067337"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.30 port 22 timed out
lost connection

run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v5.9
testing commit bbf5c979011a099af5dc76498918ed7df445635b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 4753fc6113ccf19b73886623e431f1d42203e5df7900561c23ce4babeaf8f756
run #0: crashed: INFO: task hung in sys_acct
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" "/tmp/syz-executor308844305" "root@10.128.0.175:./syz-executor308844305"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.0.175 port 22 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" "/tmp/syz-executor693858404" "root@10.128.1.4:./syz-executor693858404"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.1.4 port 22 timed out
lost connection

run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: crashed: INFO: task hung in sys_acct
run #19: crashed: INFO: task hung in sys_acct
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 64bef9c619e4f9660afe7c971d6b25d7fe2654ae1e3be1137534ef774e1b1619
run #0: crashed: INFO: task hung in sys_acct
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" "/tmp/syz-executor736378417" "root@10.128.1.74:./syz-executor736378417"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.1.74 port 22 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" "/tmp/syz-executor926638987" "root@10.128.10.33:./syz-executor926638987"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.33 port 22 timed out
lost connection

run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: f76fe31c01316385978519b5b4e89add706a0c3d5fe63afc28097ce825bd70af
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" "/tmp/syz-executor661810681" "root@10.128.0.159:./syz-executor661810681"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.0.159 port 22 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" "/tmp/syz-executor292247160" "root@10.128.1.125:./syz-executor292247160"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.1.125 port 22 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" "/tmp/syz-executor910604394" "root@10.128.10.3:./syz-executor910604394"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.3 port 22 timed out
lost connection

run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: crashed: INFO: task hung in sys_acct
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v5.6
testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ce1c40f29ea7dac1ab1efcb8a4c28e91d707e6db2dd3c7ba2f4d3ff05339b929
run #0: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #1: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #2: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #3: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #4: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #5: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #6: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #7: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #8: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #9: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #10: boot failed: can't ssh into the instance
run #11: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 52e3d19b3dd1254ec0fc70d5e850d8b373790b6a1ce2b4832bb7a2a2d3945561
run #0: crashed: INFO: task hung in sys_acct
run #1: crashed: INFO: task hung in sys_acct
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" "/tmp/syz-executor364554188" "root@10.128.1.85:./syz-executor364554188"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.1.85 port 22 timed out
lost connection

run #3: 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-executor248737467" "root@10.128.10.8:./syz-executor248737467"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.8 port 22 timed out
lost connection

run #4: 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-executor713777317" "root@10.128.10.13:./syz-executor713777317"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.13 port 22 timed out
lost connection

run #5: OK
run #6: crashed: INFO: task hung in sys_acct
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: crashed: INFO: task hung in sys_acct
run #19: crashed: INFO: task hung in sys_acct
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: aaf25273084462a2ad615141adb1da70de0e843313526173854dc50400e6d06c
run #0: crashed: INFO: task hung in sys_acct
run #1: crashed: INFO: task hung in sys_acct
run #2: crashed: INFO: task hung in sys_acct
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6a118b86ece6a00ec309dfe958551a7e37b62c5a38c74bfffbdf71d5ff2118cf
run #0: crashed: INFO: task hung in acct
run #1: crashed: general protection fault in batadv_iv_ogm_queue_add
run #2: crashed: INFO: task hung in acct
run #3: crashed: INFO: task hung in acct
run #4: crashed: INFO: task hung in acct
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v5.2
testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: dc0a4e06aabc5a71b7bb3c51a117c73e328564b4a4f21cfd43ea9747d8ce137d
run #0: crashed: INFO: task hung in acct
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
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 6f28a54ae9631f7a38ae82812fc557e8efc8855fdd74a27360b3ac8c36083bee
all runs: OK
# git bisect start 0ecfebd2b52404ae0c54a878c872bb93363ada36 e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd
Bisecting: 6966 revisions left to test after this (roughly 13 steps)
[a2d635decbfa9c1e4ae15cb05b68b2559f7f827c] Merge tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm

testing commit a2d635decbfa9c1e4ae15cb05b68b2559f7f827c
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f23bf88dc3e953e7607b5f507945bd9b7e7f975fbf35e078f44cd1f18d3a4051
run #0: crashed: INFO: task hung in acct
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
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad a2d635decbfa9c1e4ae15cb05b68b2559f7f827c
Bisecting: 4612 revisions left to test after this (roughly 12 steps)
[82efe439599439a5e1e225ce5740e6cfb777a7dd] Merge tag 'devicetree-for-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

testing commit 82efe439599439a5e1e225ce5740e6cfb777a7dd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f58c77a56051d015bb32a70744e8415a2027fe289b0eb4b3e4d37681fbb63fc1
run #0: crashed: INFO: task hung in acct
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
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 82efe439599439a5e1e225ce5740e6cfb777a7dd
Bisecting: 1813 revisions left to test after this (roughly 11 steps)
[78438ce18f26dbcaa8993bb45d20ffb0cec3bc3e] Merge branch 'stable-fodder' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

testing commit 78438ce18f26dbcaa8993bb45d20ffb0cec3bc3e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: fd31d228c4e728d7145afba3d44d26512925c268527038c470d69cc05d5b1cf4
run #0: crashed: INFO: task hung in acct
run #1: crashed: INFO: task hung in acct
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 78438ce18f26dbcaa8993bb45d20ffb0cec3bc3e
Bisecting: 841 revisions left to test after this (roughly 10 steps)
[275b103a26e218b3d739e5ab15be6b40303a1428] Merge tag 'edac_for_5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

testing commit 275b103a26e218b3d739e5ab15be6b40303a1428
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: f27907e53cc2c1c329a85a6df969c8abbed1d2e48e148c7f74ea20fb3fc01586
run #0: crashed: INFO: task hung in acct
run #1: crashed: INFO: task hung in acct
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 275b103a26e218b3d739e5ab15be6b40303a1428
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[0bc40e549aeea2de20fc571749de9bbfc099fb34] Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit 0bc40e549aeea2de20fc571749de9bbfc099fb34
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 485ee791ebd1aa6a92230ecd4cf84bb8d4aec9359d1bd466b7990d70e1f26f7b
all runs: boot failed: can't ssh into the instance
# git bisect skip 0bc40e549aeea2de20fc571749de9bbfc099fb34
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[54bbfe75cbb10384b0a62efae80fde21deea1dd0] Merge branch 'linus' into locking/core, to pick up fixes

testing commit 54bbfe75cbb10384b0a62efae80fde21deea1dd0
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c05a41cc48b323ec4db343fba16f96e33fc11523c3fc5f6fc25a56db9841cc41
all runs: boot failed: can't ssh into the instance
# git bisect skip 54bbfe75cbb10384b0a62efae80fde21deea1dd0
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[5513bc8eb4a01d1fad1243c72578070c12519a2b] Merge tag 'vfio-ccw-20190425' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw into features

testing commit 5513bc8eb4a01d1fad1243c72578070c12519a2b
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: fce75513d1a5d376e9e20236d53e6bb6b3fe2ec2c7a206785edd520772af472f
all runs: boot failed: can't ssh into the instance
# git bisect skip 5513bc8eb4a01d1fad1243c72578070c12519a2b
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[9393998e9ee094f99d18783cc85c489e20f0e0e7] tools/memory-model: Dynamically check SRCU lock-to-unlock matching

testing commit 9393998e9ee094f99d18783cc85c489e20f0e0e7
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 165ff66764c482dc20896b883b5d3a09f5b2ddc491730d67810f00823d736391
all runs: boot failed: can't ssh into the instance
# git bisect skip 9393998e9ee094f99d18783cc85c489e20f0e0e7
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[d29af5b7a886033e6a4eb5f0a9a25cd00da63ae8] s390/ipl: add definitions for the IPL report block

testing commit d29af5b7a886033e6a4eb5f0a9a25cd00da63ae8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: fce75513d1a5d376e9e20236d53e6bb6b3fe2ec2c7a206785edd520772af472f
all runs: boot failed: can't ssh into the instance
# git bisect skip d29af5b7a886033e6a4eb5f0a9a25cd00da63ae8
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[6f36bd8d2e8c221eaaf4ce5b0ebbb11c00b0ac98] x86/64: Remove stale CURRENT_MASK

testing commit 6f36bd8d2e8c221eaaf4ce5b0ebbb11c00b0ac98
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d45be4e69a53adc9d0900d88e087b5c661942d98431f5c8a6d71788c591ed1b0
all runs: boot failed: can't ssh into the instance
# git bisect skip 6f36bd8d2e8c221eaaf4ce5b0ebbb11c00b0ac98
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[496156e3647f44e2aab3e64f86b63294afca458a] Merge branch 'linus' into perf/core, to pick up fixes

testing commit 496156e3647f44e2aab3e64f86b63294afca458a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9886d5d25285cc75f5dbd7839df97fb04b1bcbecf20830256d0a77bd46ff77c0
all runs: boot failed: can't ssh into the instance
# git bisect skip 496156e3647f44e2aab3e64f86b63294afca458a
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[538f6f76b9ca5cbcd521db80e137d1c43e55556b] Documentation: ACPI: move DSD-properties-rules.txt to firmware-guide/acpi and covert to reST

testing commit 538f6f76b9ca5cbcd521db80e137d1c43e55556b
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 847f1e1e9b84f386b21c1e863457152a145e7597bc17d0a0eb5f338ed272fce2
all runs: boot failed: can't ssh into the instance
# git bisect skip 538f6f76b9ca5cbcd521db80e137d1c43e55556b
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[99feaa717e558cf4f2ad0faf53acac3cf9cc7438] s390/kexec_file: Create ipl report and pass to next kernel

testing commit 99feaa717e558cf4f2ad0faf53acac3cf9cc7438
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: fce75513d1a5d376e9e20236d53e6bb6b3fe2ec2c7a206785edd520772af472f
all runs: boot failed: can't ssh into the instance
# git bisect skip 99feaa717e558cf4f2ad0faf53acac3cf9cc7438
Bisecting: 419 revisions left to test after this (roughly 9 steps)
[317e2cac4551879f14eb383fd4e5469f29231a0d] Merge branch 'acpica'

Reproducer flagged being flaky
revisions tested: 27, total time: 8h3m7.945507704s (build: 2h41m53.115835903s, test: 5h17m44.047299438s)
error: bisection is taking too long (>8h0m0s), aborting