bisecting cause commit starting from 234d53d2bb60a9436a6d4d55bef1712613b79014 building syzkaller on 55f90bc6164340898299a59bec0f8599be49a13e testing commit 234d53d2bb60a9436a6d4d55bef1712613b79014 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0893d2bc66c3bd336410f39506b1d5f6b515b040279d7ab0c79d91b5ad4cdfcf run #0: crashed: BUG: workqueue lockup 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-executor027182718" "root@10.128.15.197:./syz-executor027182718"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.15.197 port 22 timed out lost connection run #2: crashed: BUG: workqueue lockup run #3: crashed: BUG: workqueue lockup run #4: crashed: BUG: workqueue lockup run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: BUG: workqueue lockup run #9: crashed: BUG: workqueue lockup run #10: crashed: BUG: workqueue lockup run #11: crashed: BUG: workqueue lockup run #12: crashed: BUG: workqueue lockup run #13: crashed: BUG: workqueue lockup run #14: crashed: BUG: workqueue lockup run #15: crashed: BUG: workqueue lockup run #16: crashed: BUG: workqueue lockup run #17: 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-executor516121029" "root@10.128.1.6:./syz-executor516121029"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.6 port 22 timed out lost connection run #18: 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-executor039819872" "root@10.128.1.160:./syz-executor039819872"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.160 port 22 timed out lost connection run #19: 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-executor625067071" "root@10.128.1.33:./syz-executor625067071"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.33 port 22 timed out lost connection testing release v5.10.75 testing commit 3a9842b42e421f6496a78a42a123639cf6d7ed31 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 29dff3735b5307c8fad8d57ff8cadd173d47c124bd897a00584398bae7ad1357 run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: 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-executor120974025" "root@10.128.1.42:./syz-executor120974025"]: exit status 1 ssh: connect to host 10.128.1.42 port 22: Connection timed out lost connection run #8: 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-executor890662292" "root@10.128.15.193:./syz-executor890662292"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.15.193 port 22 timed out lost connection 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-executor278697443" "root@10.128.15.197:./syz-executor278697443"]: exit status 1 ssh: connect to host 10.128.15.197 port 22: Connection timed out lost connection testing release v5.10.74 testing commit 77434fe5a077f05f0851931d6a71d1098b6004f8 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f38d3b3d9ea005c38d0ee50371ce587fe41238da135fc3202e0b7d2d26bbe961 run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine 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-executor515329549" "root@10.128.0.149:./syz-executor515329549"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.0.149 port 22 timed out lost connection testing release v5.10.73 testing commit 0268aa579b1f741b12300bc7f084ffe990cfde5f compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c87187995dc7f98826e4fc72c52fc3cc9c81e686af971a581a85048e98affd2a run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: BUG: workqueue lockup run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine 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-executor293054030" "root@10.128.0.72:./syz-executor293054030"]: exit status 1 ssh: connect to host 10.128.0.72 port 22: Connection timed out lost connection testing release v5.10.72 testing commit 5aa003b38148d584f20455ecac85c51187d0b71e compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2328876ae909524a8ef3a224a642dc84669962e8fb81fea698de3679a233be2d run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: BUG: workqueue lockup run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: 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-executor841022128" "root@10.128.10.8:./syz-executor841022128"]: exit status 1 ssh: connect to host 10.128.10.8 port 22: Connection timed out lost connection 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-executor731055183" "root@10.128.10.14:./syz-executor731055183"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.14 port 22 timed out lost connection testing release v5.10.71 testing commit 5cd40b137cba45a5a3d0b9a8554f779a3e0e93b4 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 763efa142671f48a6227b367462d0b80363af11a978a4e6dcaf0c8d006e248ac run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: 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-executor351911769" "root@10.128.1.161:./syz-executor351911769"]: exit status 1 ssh: connect to host 10.128.1.161 port 22: Connection timed out lost connection run #8: 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-executor131501284" "root@10.128.1.166:./syz-executor131501284"]: exit status 1 ssh: connect to host 10.128.1.166 port 22: Connection timed out lost connection 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-executor144382195" "root@10.128.1.48:./syz-executor144382195"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.48 port 22 timed out lost connection testing release v5.10.70 testing commit f93026b28e2afe5060a493b0bbcee19d12961b7e compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 289055383e5b8d9bb97a59d5d4e9d8c247afa94adac3f46a71feb2d700c6d607 run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: BUG: workqueue lockup run #4: crashed: BUG: workqueue lockup run #5: crashed: BUG: workqueue lockup run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine 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-executor049508253" "root@10.128.0.230:./syz-executor049508253"]: exit status 1 ssh: connect to host 10.128.0.230 port 22: Connection timed out lost connection testing release v5.10.69 testing commit 5f4196eaa90c139ac470111b8e2deabf5f283baa compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 6e1ca3d0bfdbb864a9d4122057bab68ef2935d65bc7e7f5a4c8a4262d9ab4c0c run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: BUG: workqueue lockup run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.10.68 testing commit 4d8524048a35c03ff04c25ca1bcdf569f9aeb14a compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d0ac263402eda427ca317a6f58d4b10fe69239bce478defd633cfea2d008a533 run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: BUG: workqueue lockup run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine 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-executor767874378" "root@10.128.15.196:./syz-executor767874378"]: exit status 1 ssh: connect to host 10.128.15.196 port 22: Connection timed out lost connection testing release v5.10.67 testing commit faf816b0f8d0fa8ea24f579fb6a51e5ed3efd750 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ced73840f2c02ce5f089e8084ed59dec940e41f152b076565b08dc78087f9824 run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: BUG: workqueue lockup run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine 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-executor107846924" "root@10.128.1.66:./syz-executor107846924"]: exit status 1 ssh: connect to host 10.128.1.66 port 22: Connection timed out lost connection testing release v5.10.66 testing commit 44a32dcb2fb5598dc8b61645852df0ea829aeace compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ce73df920ee8e808ccabaa4e41bfa0b33d4545c651dd28537cd6c90048a769be run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: BUG: workqueue lockup run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.10.65 testing commit c31c2cca229aa5280d108618bb264c713840a4c2 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ee51c21413621ea4db8a743f8d0ab8cf870f7b9ff99d3573b3953a7aadefa044 run #0: crashed: BUG: workqueue lockup run #1: crashed: BUG: workqueue lockup run #2: crashed: BUG: workqueue lockup run #3: crashed: BUG: workqueue lockup run #4: crashed: BUG: workqueue lockup run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: BUG: workqueue lockup run #8: 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-executor559380709" "root@10.128.1.196:./syz-executor559380709"]: exit status 1 ssh: connect to host 10.128.1.196 port 22: Connection timed out lost connection 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-executor731954432" "root@10.128.1.83:./syz-executor731954432"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.83 port 22 timed out lost connection testing release v5.10.64 testing commit cb83afdc0b865d7c8a74d2b2a1f7dd393e1d196d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8e576fd9a69ecf8514e366e45b3b7bd6336644ca1cf568604bae0310770b2e04 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: workqueue lockup run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.10.63 testing commit e07f317d5a289f06b7eb9025d2ada744cf22c940 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 786d7c70199cf713a60806c437a55d84c07e58e751a95b9e8007a14bcda95253 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: workqueue lockup run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: no output from test machine run #8: crashed: no output from test machine 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-executor739566569" "root@10.128.1.3:./syz-executor739566569"]: exit status 1 ssh: connect to host 10.128.1.3 port 22: Connection timed out lost connection testing release v5.10.62 testing commit f6dd002450bf7b9143aff3af42ad1e12efe9a4f8 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7456d9f921a71d2a309268f34910cfcc06b6332708aea55f4eaa02796647ad96 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.10.61 testing commit 452ea6a15ed2ac74789b7b3513777cc94ea3b751 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 03b6f5d640b8e93e9d06959e36640cb217aacfcc928cb9df52b4bdfb59caa351 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: workqueue lockup run #4: crashed: BUG: workqueue lockup run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: no output from test machine 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-executor863562630" "root@10.128.10.36:./syz-executor863562630"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.10.36 port 22 timed out lost connection testing release v5.10.60 testing commit 2c5bd949b1df3f9fb109107b3d766e2ebabd7238 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4ad4820eb95ee6665fb535cb31e03be846560f076f614033b8d5eb9b672721de run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.10.59 testing commit 5805e5eec901e830c7741d4916270d0b9cfd6743 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 9dcb499bd4e9dd585086d1d8280b2e79d40ea82374a64d7b64af67f000938cc7 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #6: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #7: crashed: BUG: workqueue lockup run #8: crashed: BUG: workqueue lockup run #9: crashed: no output from test machine testing release v5.10.58 testing commit 132a8267adabd645476b542b3b132c1b91988fe8 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 448100f278f377915af5a0858ac8e434d38db51e4829317ace7af23e9b003095 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: no output from test machine run #9: crashed: BUG: scheduling while atomic: syz-executor/ADDR testing release v5.10.57 testing commit 1cd6e30b83d741562b55bf5b7763b1238a91150c compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: be2e2ea118f19715ba998a595e4a2be090da436e23876ec926b171db52386e76 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: BUG: workqueue lockup run #9: crashed: no output from test machine testing release v5.10.56 testing commit 9746c25334cb364ab6651ee6dfd4cab3218d0c06 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a7fead17320bca5bd969944483b4837d737ad2b39a1d8faf84f215da3d68a538 failed: failed to create VM pool: failed to create GCE image: create image operation failed: &{Code:PERMISSIONS_ERROR Location: Message:Required 'read' permission for 'ci2-android-5-10-bisect-job-bisect-job-image.tar.gz' ForceSendFields:[] NullFields:[]}. testing release v5.10.55 testing commit 11fe69a17195cf58eff523f26f90de50660d0100 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b4b70d02a4e7eba2c808ec605b078f5cd015ea2403f889a8558178a3e250ceee run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: workqueue lockup run #4: crashed: BUG: workqueue lockup run #5: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine 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-executor718391819" "root@10.128.1.240:./syz-executor718391819"]: exit status 1 ssh: connect to host 10.128.1.240 port 22: Connection timed out lost connection testing release v5.10.54 testing commit 08277b9dde633e1447e96b8cb89da2b40f96ae69 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c975c3fd8f06e7caa8af37213a93db313e9a0356f4b4dcd6fc3f63c2c20c4c56 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: BUG: workqueue lockup run #9: crashed: BUG: workqueue lockup testing release v5.10.53 testing commit 71046eac2db9aeccf10763d034a1a123911c9a81 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c302aed5ba72039c2d0525cc853e8b06779137488e5b9e90c6288fbb747716ce run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: no output from test machine 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-executor760202576" "root@10.128.1.133:./syz-executor760202576"]: exit status 1 ssh: connect to host 10.128.1.133 port 22: Connection timed out lost connection testing release v5.10.52 testing commit 2cd5fe24a7f025448f19d98c4f4c45ff79ce0784 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2136639ec6826a4960531cea6f1b10340d83647947293b2fcbd6c1b0d021c632 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: no output from test machine 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-executor596556546" "root@10.128.1.182:./syz-executor596556546"]: exit status 1 Connection timed out during banner exchange Connection to 10.128.1.182 port 22 timed out lost connection testing release v5.10.51 testing commit f68261346518c970aea06e6fb3eb031247340400 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0c2c050023ec3e7473f48b52c23958eb440616a3545ba81ea7b272cafc10d96d run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: workqueue lockup run #4: crashed: BUG: workqueue lockup run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine 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-executor274392452" "root@10.128.1.182:./syz-executor274392452"]: exit status 1 ssh: connect to host 10.128.1.182 port 22: Connection timed out lost connection testing release v5.10.50 testing commit 43b0742ef44c30f202afbf8355e9326710af9ca1 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0d63897da6b51a9d82d835265c9841e081fe661ee44f1715ab3388854a12faa5 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #9: crashed: no output from test machine testing release v5.10.49 testing commit 904ad453baa0aae7189ebd07f0d43cb694fb2987 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4bf097a28c5567bc0ea5520a97e078ec39c97dd65af587866a0d6355e8b86b83 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: workqueue lockup run #4: crashed: BUG: workqueue lockup run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: no output from test machine run #8: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #9: crashed: no output from test machine testing release v5.10.48 testing commit a09a52277207fa79fc1aa7c32be6035c264a79c4 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8f2e0929aa744db06d9f1e9dc5cc1bf28d20680b66da2d5861ae2f6b673c38c9 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: workqueue lockup run #4: crashed: BUG: workqueue lockup run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.10.47 testing commit 4357ae26d4cd133a86982f23cb6b321304faac50 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 19467ade54404b1233b12a20ba9747543095a4485eab20f69d3fa0763b9f744a run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine 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-executor418736631" "root@10.128.10.21:./syz-executor418736631"]: exit status 1 ssh: connect to host 10.128.10.21 port 22: Connection timed out lost connection testing release v5.10.46 testing commit 3de043c6851d7c604e0cabdf8e2aca7797952aa9 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 76f8dcb56093c09471f0fb705295d162f44537659a307fd1595335c588c7c928 run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: workqueue lockup run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: BUG: workqueue lockup run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.10.45 testing commit 037a447b7a0baa71593cb9a57ac7bdb7b9303c01 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 369523a1fb61f9b54ae678af07f0449680b49cc778bd30a6e9480462e514b49f run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #6: crashed: BUG: workqueue lockup run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.10.44 testing commit f2b1fc360fa1283b61359f232c6965f4170260f0 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ab9ba9cb833adb6573255d889324a4e1b925b3f6ff3f115056ef117a343c186b run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: no output from test machine run #8: crashed: BUG: workqueue lockup run #9: crashed: BUG: scheduling while atomic: syz-executor/ADDR testing release v5.10.43 testing commit 951358a824f96be927ae50fad1e72e05bbb57b56 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 52d077f4a8dbcf8e8e6b36d8a696afe152a91e847032d00cc5912c86538925ef run #0: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #1: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #2: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #3: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #4: crashed: BUG: scheduling while atomic: syz-executor/ADDR run #5: crashed: BUG: workqueue lockup run #6: crashed: BUG: workqueue lockup run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine testing release v5.10.42 testing commit 65859eca4dff1af0db5e36d1cfbac15b834c6a65 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 67799af65b77aae45ad76fe5f4b912d14ec07134cb09e6e2fe6dfe8144c40c01 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.10.41 testing commit 33069919e2dce440d3b8cd101b18f37bb35bdddf compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d1a6608a13a624aa9a7003ba82dc32a15bf8299078596447baec81c632c02603 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.10.40 testing commit 4068786a86905a7a358b9fe1327a480f08fb6a40 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 81bd99a3ed6e66a5b5ff50b500e500b10cf09433eded10e99a465bcc4b642c64 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.10.39 testing commit b561d56bcd16ef44705d4e92f1e9c4d5e63f157f compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: dbd0fd5b1174c6493361eb98bf3be0c067ee6c38b8ba94ae1c6695963bdf2a2a all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.10.38 testing commit 689e89aee55c565fe90fcdf8a7e53f2f976c5946 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: cc5599d52ccdb1b9002777b203b9316243367c4f39901e5ae8373a346f06a627 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.10.37 testing commit e97bd1e03e6ef58ec47ee7f085f8c14ed6329cf7 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 89404e3667e5834415b79241afe207030d8ba95258352cf093768acc2591ceb0 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.10.36 testing commit 72bb632d15f2eabf22b085d79590125a6e2e1aa3 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7968288622d9796abc4b60ac48dca18dde61502268c8582f0a74977d42c5056f all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.10.35 testing commit f53a3a4808625f876aebc5a0bfb354480bbf0c21 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e66c6a617c8cc240415ad74cb38fbd35526b0cf50cdb5f7c15a3d51c048e6a29 run #0: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #1: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #2: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #3: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #4: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #5: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #6: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #7: basic kernel testing failed: timed out run #8: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #9: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.10.34 revisions tested: 42, total time: 8h5m26.185311387s (build: 3h18m48.315716334s, test: 4h43m4.630891752s) error: bisection is taking too long (>8h0m0s), aborting