ci starts bisection 2023-05-26 20:25:40.560197166 +0000 UTC m=+17441.341365811 bisecting fixing commit since 200e340f2196d7fd427a5810d06e893b932f145a building syzkaller on a6201f1167d158d5a0538c3d29bc3b2bebb0a4fd ensuring issue is reproducible on original commit 200e340f2196d7fd427a5810d06e893b932f145a testing commit 200e340f2196d7fd427a5810d06e893b932f145a gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 613851b2f6835eb1ae866572f74738334acb9e8f18c8b9e3ec1c8c00cd887203 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: inconsistent lock state in find_vmap_area run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: inconsistent lock state in find_vmap_area run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: inconsistent lock state in find_vmap_area run #7: crashed: inconsistent lock state in find_vmap_area run #8: crashed: inconsistent lock state in find_vmap_area run #9: crashed: inconsistent lock state in find_vmap_area run #10: crashed: inconsistent lock state in find_vmap_area run #11: crashed: inconsistent lock state in find_vmap_area run #12: crashed: inconsistent lock state in find_vmap_area run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: inconsistent lock state in find_vmap_area run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: inconsistent lock state in find_vmap_area run #17: crashed: INFO: rcu detected stall in corrupted run #18: basic kernel testing failed: failed to copy 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" "-v" "/tmp/syz-executor3618374922" "root@10.128.10.29:./syz-executor3618374922"]: exit status 1 Executing: program /usr/bin/ssh host 10.128.10.29, user root, command scp -v -t ./syz-executor3618374922 OpenSSH_8.4p1 Debian-5+deb11u1, OpenSSL 1.1.1n 15 Mar 2022 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.10.29 [10.128.10.29] port 22. debug1: connect to address 10.128.10.29 port 22: Connection timed out ssh: connect to host 10.128.10.29 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy 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" "-v" "/tmp/syz-executor1740174334" "root@10.128.1.183:./syz-executor1740174334"]: exit status 1 Executing: program /usr/bin/ssh host 10.128.1.183, user root, command scp -v -t ./syz-executor1740174334 OpenSSH_8.4p1 Debian-5+deb11u1, OpenSSL 1.1.1n 15 Mar 2022 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.183 [10.128.1.183] port 22. debug1: connect to address 10.128.1.183 port 22: Connection timed out ssh: connect to host 10.128.1.183 port 22: Connection timed out lost connection testing current HEAD 0d85b27b0cc6b5cf54567c5ad913a247a71583ce testing commit 0d85b27b0cc6b5cf54567c5ad913a247a71583ce gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3c894612c211ae2e1b0920f551f34aeafb6c23685c49e7fefc21c114b18d6db5 run #0: crashed: INFO: rcu detected stall in newfstatat run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: SYZFATAL: executor failed NUM times: executor NUM: failed to write control pipe: write |NUM: broken pipe run #3: basic kernel testing failed: failed to copy 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" "-v" "/tmp/syz-executor3490109528" "root@10.128.1.90:./syz-executor3490109528"]: exit status 1 Executing: program /usr/bin/ssh host 10.128.1.90, user root, command scp -v -t ./syz-executor3490109528 OpenSSH_8.4p1 Debian-5+deb11u1, OpenSSL 1.1.1n 15 Mar 2022 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.90 [10.128.1.90] port 22. debug1: connect to address 10.128.1.90 port 22: Connection timed out ssh: connect to host 10.128.1.90 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy 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" "-v" "/tmp/syz-executor2058565723" "root@10.128.0.240:./syz-executor2058565723"]: exit status 1 Executing: program /usr/bin/ssh host 10.128.0.240, user root, command scp -v -t ./syz-executor2058565723 OpenSSH_8.4p1 Debian-5+deb11u1, OpenSSL 1.1.1n 15 Mar 2022 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.0.240 [10.128.0.240] port 22. debug1: connect to address 10.128.0.240 port 22: Connection timed out ssh: connect to host 10.128.0.240 port 22: Connection timed out lost connection run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky crash still not fixed/happens on the oldest tested release Reproducer flagged being flaky revisions tested: 2, total time: 35m59.470102893s (build: 14m23.888193812s, test: 20m32.720898749s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge tag '6.4-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6 crash: SYZFATAL: executor failed NUM times: executor NUM: failed to write control pipe: write |NUM: broken pipe 2023/05/26 20:57:33 SYZFATAL: executor failed 11 times: executor 3: failed to write control pipe: write |1: broken pipe SYZFAIL: wrong response packet (errno 16: Device or resource busy) loop exited with status 67 [