bisecting cause commit starting from 9d004b2f4fea97cde123e7f1939b80e77bf2e695 building syzkaller on a46af3462c457f5f23b620200144d9a2a430f49f testing commit 9d004b2f4fea97cde123e7f1939b80e77bf2e695 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 5a70ec59db8063f5def3c0c579108e376c3be272e8955b3bad53e4d173139edc all runs: crashed: INFO: task hung in hci_dev_do_open testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 47d1a05a871350ec4f23285f3b04b257b6aa6e0ed4b41219fc39195efb331757 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: OK run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: OK run #7: OK run #8: OK run #9: OK 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: 957563ddd8df8dae55d0829b8c411de0d98afc67c60a65f98ce82c3c47aa4afc run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: OK run #5: OK run #6: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #7: OK run #8: OK run #9: OK 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: e3578d3cd007f426f5c9d8fb963e66939901cdc7401ef73f0fbc0180bbe5865d all runs: OK # git bisect start f443e374ae131c168a065ea1748feac6b2e76613 df0cc57e057f18e44dac8e6c18aba47ab53202f9 Bisecting: 6995 revisions left to test after this (roughly 13 steps) [22ef12195e13c5ec58320dbf99ef85059a2c0820] Merge tag 'staging-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit 22ef12195e13c5ec58320dbf99ef85059a2c0820 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e1556205893285ea3c8c6036fd274f4603f92e3fb880276805a10a11f629a0c6 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: OK run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #7: OK run #8: OK run #9: OK # git bisect bad 22ef12195e13c5ec58320dbf99ef85059a2c0820 Bisecting: 4385 revisions left to test after this (roughly 12 steps) [9bcbf894b6872216ef61faf17248ec234e3db6bc] Merge tag 'media/v5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit 9bcbf894b6872216ef61faf17248ec234e3db6bc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 88805d59824d573701765946e18ab4748608ddeaf59d6f737dcc67eeb99ad90a all runs: OK # git bisect good 9bcbf894b6872216ef61faf17248ec234e3db6bc Bisecting: 2194 revisions left to test after this (roughly 11 steps) [208dd45d8d050360b46ded439a057bcc7cbf3b09] tcp: tcp_send_challenge_ack delete useless param `skb` testing commit 208dd45d8d050360b46ded439a057bcc7cbf3b09 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f310dfa5bbff725ec5c9b6d75f700882f6b52331fd0b96340639500033c7ecfc run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky # git bisect bad 208dd45d8d050360b46ded439a057bcc7cbf3b09 Bisecting: 1100 revisions left to test after this (roughly 10 steps) [9e6b19a66d9b6b94395478fe79c5a3ccba181ad3] bpf: Fix typo in a comment in bpf lpm_trie. testing commit 9e6b19a66d9b6b94395478fe79c5a3ccba181ad3 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c39561e9330751a96fff4399185bf53116d5c0b65edbd40fac183eb7f886bc63 all runs: basic kernel testing failed: WARNING: refcount bug in __sk_destruct # git bisect skip 9e6b19a66d9b6b94395478fe79c5a3ccba181ad3 Bisecting: 1100 revisions left to test after this (roughly 10 steps) [5562d5f6c71b0a4c93a7280b7de8710c2eb6b35d] mt76: mt7915: rely on mt76_connac definitions testing commit 5562d5f6c71b0a4c93a7280b7de8710c2eb6b35d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0e498acc44341b993eb2260193636a37b358855b1772b4faa5e03ada9619e868 run #0: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.118:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.118 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.255:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.255 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.23:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.23 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.118:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.118 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.122:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.122 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.127:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.127 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.11:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.11 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.6:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.6 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.26:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.26 port 22: Connection timed out lost connection run #9: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.32:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.32 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.34:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.34 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.36:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.36 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.106:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.106 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.42:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.42 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.44:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.44 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.47:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.47 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.45:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.45 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.48:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.48 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.205:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.205 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.2:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.2 port 22: Connection timed out lost connection # git bisect skip 5562d5f6c71b0a4c93a7280b7de8710c2eb6b35d Bisecting: 1100 revisions left to test after this (roughly 10 steps) [ae089a8191764ba39d2867293eab5e7a9627f12c] net: sparx5: populate supported_interfaces member testing commit ae089a8191764ba39d2867293eab5e7a9627f12c compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d2302bc650db3fd2b4d68a28b12b45fa1fed57b5fd39f844e6a3913c2aed26f0 all runs: OK # git bisect good ae089a8191764ba39d2867293eab5e7a9627f12c Bisecting: 1007 revisions left to test after this (roughly 10 steps) [2c865a8a28a10e9800a3dd07ca339d24563e3d65] netfilter: nf_tables: add rule blob layout testing commit 2c865a8a28a10e9800a3dd07ca339d24563e3d65 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 5302b64014d6fd7b7ba7ddbf8810d95be79642efde8638ca0da5b534b390d671 run #0: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.190:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.190 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.94:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.94 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.170:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.170 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.96:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.96 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.119:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.119 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.217:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.217 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.241:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.241 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.97:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.97 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.99:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.99 port 22: Connection timed out lost connection run #9: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.177:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.177 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.103:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.103 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.109:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.109 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.104:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.104 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.111:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.111 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.113:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.113 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.33:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.33 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.116:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.116 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.118:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.118 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.122:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.122 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.120:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.120 port 22: Connection timed out lost connection # git bisect skip 2c865a8a28a10e9800a3dd07ca339d24563e3d65 Bisecting: 1007 revisions left to test after this (roughly 10 steps) [46334a0cd21bed70d6f1ddef1464f75a0ebe1774] bpf: Define enum bpf_core_relo_kind as uapi. testing commit 46334a0cd21bed70d6f1ddef1464f75a0ebe1774 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2a7c0d2d7a18c6323191e9145f992a27ed266bf6d8f59d42a078df580ff70cd3 all runs: OK # git bisect good 46334a0cd21bed70d6f1ddef1464f75a0ebe1774 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [4a80e026981b791da3937470ace84796490c7796] netfilter: nft_meta: cancel register tracking after meta update testing commit 4a80e026981b791da3937470ace84796490c7796 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 72159295ba3b000167abf089ac0096947009f6920fe817e45c23bd0ed0e25c9f run #0: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.106:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.106 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.107:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.107 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.108:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.108 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.109:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.109 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.114:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.114 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.116:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.116 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.123:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.123 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.125:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.125 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.127:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.127 port 22: Connection timed out lost connection run #9: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.0:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.0 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.1:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.1 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.3:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.3 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.5:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.5 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.6:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.6 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.8:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.8 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.9:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.9 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.11:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.11 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.18:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.18 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.15:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.15 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.112:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.112 port 22: Connection timed out lost connection # git bisect skip 4a80e026981b791da3937470ace84796490c7796 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [be5650f8f47e8cffbbbcad08b71103685e971f20] netfilter: nft_bitwise: track register operations testing commit be5650f8f47e8cffbbbcad08b71103685e971f20 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 9c56fa4c10c777341ab5c99a9f51957b759c94f2218f2d9fe20d328f4706cb0e run #0: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.73:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.73 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.74:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.74 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.84:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.84 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.89:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.89 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.90:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.90 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.99:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.99 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.101:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.101 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.122:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.122 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.20:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.20 port 22: Connection timed out lost connection run #9: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.46:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.46 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.22:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.22 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.33:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.33 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.34:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.34 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.159:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.159 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.35:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.35 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.36:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.36 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.38:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.38 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.39:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.39 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.42:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.42 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.40:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.40 port 22: Connection timed out lost connection # git bisect skip be5650f8f47e8cffbbbcad08b71103685e971f20 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [1bb412d46ca9df90a3fe4b704f5385f03621455d] net_tstamp: define new flag HWTSTAMP_FLAG_BONDED_PHC_INDEX testing commit 1bb412d46ca9df90a3fe4b704f5385f03621455d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b522d7292b3e566e90e2a62de524aba88acef66e3220a261ad6dd0687c1103de run #0: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.176:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.176 port 22: Connection timed out lost connection run #1: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.75:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.75 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.77:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.77 port 22: Connection timed out lost connection run #3: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.94:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.94 port 22: Connection timed out lost connection run #4: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.88:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.88 port 22: Connection timed out lost connection run #5: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.95:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.95 port 22: Connection timed out lost connection run #6: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.111:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.111 port 22: Connection timed out lost connection run #7: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.1.112:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.112 port 22: Connection timed out lost connection run #8: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.8:./syz-execprog"]: 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 syz-execprog 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-execprog" "root@10.128.1.113:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.1.113 port 22: Connection timed out lost connection run #10: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.9:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.9 port 22: Connection timed out lost connection run #11: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.15:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.15 port 22: Connection timed out lost connection run #12: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.11:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.11 port 22: Connection timed out lost connection run #13: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.16:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.16 port 22: Connection timed out lost connection run #14: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.18:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.18 port 22: Connection timed out lost connection run #15: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.188:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.188 port 22: Connection timed out lost connection run #16: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.25:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.25 port 22: Connection timed out lost connection run #17: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.26:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.26 port 22: Connection timed out lost connection run #18: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.0.102:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.0.102 port 22: Connection timed out lost connection run #19: basic kernel testing failed: failed to copy syz-execprog 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-execprog" "root@10.128.10.29:./syz-execprog"]: exit status 1 ssh: connect to host 10.128.10.29 port 22: Connection timed out lost connection # git bisect skip 1bb412d46ca9df90a3fe4b704f5385f03621455d Bisecting: 1000 revisions left to test after this (roughly 10 steps) [c9c5608fafe4dae975c9644c7d14c51ad3b0ed73] wcn36xx: populate band before determining rate on RX testing commit c9c5608fafe4dae975c9644c7d14c51ad3b0ed73 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 9d77be69330c07bee1448bc0207397c79e82ccc4493a337f7d87b1befa4157f7 all runs: OK # git bisect good c9c5608fafe4dae975c9644c7d14c51ad3b0ed73 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [c8a2a011cd04054a6577d8cf774adf9e09302876] net: dsa: sja1105: fix broken connection with the sja1110 tagger testing commit c8a2a011cd04054a6577d8cf774adf9e09302876 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 3153d3ccfa085b6a680cb86d91e1327a5d8f8da16fb90ef630d60a094f9d0749 run #0: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #1: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #2: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #3: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #4: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #5: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #6: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #7: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #8: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #9: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #10: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #11: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #12: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #13: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #14: basic kernel testing failed: WARNING in linkwatch_do_dev run #15: basic kernel testing failed: WARNING in linkwatch_do_dev run #16: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #17: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #18: basic kernel testing failed: WARNING: refcount bug in __sk_destruct run #19: basic kernel testing failed: WARNING: refcount bug in __sk_destruct # git bisect skip c8a2a011cd04054a6577d8cf774adf9e09302876 Bisecting: 1000 revisions left to test after this (roughly 10 steps) [5fd32ae0433a7af37eac27ace3aabae8cb7c2fc4] libertas: Use struct_group() for memcpy() region testing commit 5fd32ae0433a7af37eac27ace3aabae8cb7c2fc4 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: cdc846a013b6e84e5a7fe3ffa428e3caa19ce65e6c15815ace1e324830521803 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #7: OK run #8: OK run #9: OK run #10: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #11: OK run #12: OK run #13: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 5fd32ae0433a7af37eac27ace3aabae8cb7c2fc4 Bisecting: 100 revisions left to test after this (roughly 7 steps) [432b4941928b98fbe01f515fab6a7715c9dcebf6] Merge branch 'dpaa2-phylink' testing commit 432b4941928b98fbe01f515fab6a7715c9dcebf6 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 5bf96616827dfd4b73f825ee1f1c458303019b792f540fd97b0c5aa8dcdc4906 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout 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 432b4941928b98fbe01f515fab6a7715c9dcebf6 Bisecting: 49 revisions left to test after this (roughly 6 steps) [3244845c6307fa6f4fa2eabe5259d2c93c837dce] Bluetooth: hci_sync: Convert MGMT_OP_SSP testing commit 3244845c6307fa6f4fa2eabe5259d2c93c837dce compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a1793ffa36b6ba39d2b110d21f9759313c0c50dbd13d1343ce5dea85dbabaa2d all runs: OK # git bisect good 3244845c6307fa6f4fa2eabe5259d2c93c837dce Bisecting: 31 revisions left to test after this (roughly 5 steps) [28491d7ef4af471841e454f8c1f77384f93c6fef] Bluetooth: btusb: enable Mediatek to support AOSP extension testing commit 28491d7ef4af471841e454f8c1f77384f93c6fef compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c48b8ef1bdb76006f5c45765fca2400044c502840f43ae761c97beda29b8123f run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: OK run #7: OK run #8: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 28491d7ef4af471841e454f8c1f77384f93c6fef Bisecting: 8 revisions left to test after this (roughly 3 steps) [3a56ef719f0b9682afb8a86d64b2399e36faa4e6] Bluetooth: stop proccessing malicious adv data testing commit 3a56ef719f0b9682afb8a86d64b2399e36faa4e6 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bc54f9c84df0449a2db2b31941cab43ff041d8cc5f14228fcd0158cb50a28e55 run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: crashed: KASAN: use-after-free Read in hci_cmd_timeout 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 3a56ef719f0b9682afb8a86d64b2399e36faa4e6 Bisecting: 4 revisions left to test after this (roughly 2 steps) [27592ca1fadf2d2a44bb24ecc5da604fd840d633] Bluetooth: hci_sync: Fix missing static warnings testing commit 27592ca1fadf2d2a44bb24ecc5da604fd840d633 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d006b6e88113a36980e9e27ddf633e685c07a0b5e9be74844f424cc4feb893fb run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: crashed: KASAN: use-after-free Read in hci_cmd_timeout 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 27592ca1fadf2d2a44bb24ecc5da604fd840d633 Bisecting: 1 revision left to test after this (roughly 1 step) [182ee45da083db4e3e621541ccf255bfa9652214] Bluetooth: hci_sync: Rework hci_suspend_notifier testing commit 182ee45da083db4e3e621541ccf255bfa9652214 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 21078b617229f5959e1e15657c50f83b42d304ca40f5e723b007b39afa3d8f9c run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #5: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #6: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #7: crashed: KASAN: use-after-free Read in hci_cmd_timeout 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: KASAN: use-after-free Read in hci_cmd_timeout # git bisect bad 182ee45da083db4e3e621541ccf255bfa9652214 Bisecting: 0 revisions left to test after this (roughly 0 steps) [d0b137062b2de75b264b84143d21c98abc5f5ad2] Bluetooth: hci_sync: Rework init stages testing commit d0b137062b2de75b264b84143d21c98abc5f5ad2 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2c2155028f4dec1e04215b03bd080a3158a338f2001f9bd8450cde1ba7d2991f run #0: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #1: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #2: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #3: crashed: KASAN: use-after-free Read in hci_cmd_timeout run #4: crashed: KASAN: use-after-free Read in hci_cmd_timeout 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 d0b137062b2de75b264b84143d21c98abc5f5ad2 d0b137062b2de75b264b84143d21c98abc5f5ad2 is the first bad commit commit d0b137062b2de75b264b84143d21c98abc5f5ad2 Author: Luiz Augusto von Dentz Date: Wed Oct 27 16:58:59 2021 -0700 Bluetooth: hci_sync: Rework init stages This moves the init stages to use the hci_sync infra and in addition to that have the stages as function tables so it is easier to change the command sequence. Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Marcel Holtmann include/net/bluetooth/hci_sync.h | 1 + net/bluetooth/hci_core.c | 1203 +--------------------- net/bluetooth/hci_sync.c | 2053 ++++++++++++++++++++++++++++++++++---- 3 files changed, 1854 insertions(+), 1403 deletions(-) culprit signature: 2c2155028f4dec1e04215b03bd080a3158a338f2001f9bd8450cde1ba7d2991f parent signature: a1793ffa36b6ba39d2b110d21f9759313c0c50dbd13d1343ce5dea85dbabaa2d Reproducer flagged being flaky revisions tested: 25, total time: 6h23m29.792093991s (build: 2h39m14.277946495s, test: 3h41m29.071726924s) first bad commit: d0b137062b2de75b264b84143d21c98abc5f5ad2 Bluetooth: hci_sync: Rework init stages recipients (to): ["davem@davemloft.net" "johan.hedberg@gmail.com" "kuba@kernel.org" "linux-bluetooth@vger.kernel.org" "luiz.dentz@gmail.com" "luiz.von.dentz@intel.com" "marcel@holtmann.org" "marcel@holtmann.org" "netdev@vger.kernel.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: KASAN: use-after-free Read in hci_cmd_timeout Bluetooth: hci5: command 0x1003 tx timeout ================================================================== BUG: KASAN: use-after-free in hci_cmd_timeout+0x1d3/0x1f0 net/bluetooth/hci_core.c:1473 Read of size 8 at addr ffff88806f7f80c8 by task kworker/1:6/4052 CPU: 1 PID: 4052 Comm: kworker/1:6 Not tainted 5.15.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events hci_cmd_timeout Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 print_address_description.constprop.0.cold+0x6c/0x309 mm/kasan/report.c:256 __kasan_report mm/kasan/report.c:442 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 hci_cmd_timeout+0x1d3/0x1f0 net/bluetooth/hci_core.c:1473 process_one_work+0x85b/0x1430 kernel/workqueue.c:2297 worker_thread+0x598/0x1040 kernel/workqueue.c:2444 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Allocated by task 3571: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x83/0xb0 mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:254 [inline] slab_post_alloc_hook mm/slab.h:519 [inline] slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3214 [inline] kmem_cache_alloc+0x209/0x390 mm/slub.c:3219 skb_clone+0x125/0x300 net/core/skbuff.c:1519 hci_cmd_work+0x15f/0x340 net/bluetooth/hci_core.c:3926 process_one_work+0x85b/0x1430 kernel/workqueue.c:2297 worker_thread+0x598/0x1040 kernel/workqueue.c:2444 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Freed by task 150: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track+0x1c/0x30 mm/kasan/common.c:46 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:360 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free mm/kasan/common.c:328 [inline] __kasan_slab_free+0xff/0x130 mm/kasan/common.c:374 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1700 [inline] slab_free_freelist_hook+0x81/0x190 mm/slub.c:1725 slab_free mm/slub.c:3483 [inline] kmem_cache_free+0x8a/0x5b0 mm/slub.c:3499 hci_dev_open_sync+0x7e4/0x1a40 net/bluetooth/hci_sync.c:3896 hci_dev_do_open+0x23/0x60 net/bluetooth/hci_core.c:482 hci_power_on+0xf6/0x4c0 net/bluetooth/hci_core.c:963 process_one_work+0x85b/0x1430 kernel/workqueue.c:2297 worker_thread+0x598/0x1040 kernel/workqueue.c:2444 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 The buggy address belongs to the object at ffff88806f7f8000 which belongs to the cache skbuff_head_cache of size 224 The buggy address is located 200 bytes inside of 224-byte region [ffff88806f7f8000, ffff88806f7f80e0) The buggy address belongs to the page: page:ffffea0001bdfe00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6f7f8 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 ffffea0001ede3c0 0000000500000005 ffff888014fad280 raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 7, ts 476077417533, free_ts 476004872776 prep_new_page mm/page_alloc.c:2424 [inline] get_page_from_freelist+0xa6f/0x2f50 mm/page_alloc.c:4153 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5375 alloc_slab_page mm/slub.c:1763 [inline] allocate_slab mm/slub.c:1900 [inline] new_slab+0x319/0x490 mm/slub.c:1963 ___slab_alloc+0x923/0xfe0 mm/slub.c:2994 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3081 slab_alloc_node mm/slub.c:3172 [inline] kmem_cache_alloc_node+0x11f/0x3d0 mm/slub.c:3242 __alloc_skb+0x157/0x280 net/core/skbuff.c:412 alloc_skb include/linux/skbuff.h:1116 [inline] nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:664 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:721 [inline] nsim_dev_trap_report_work+0x275/0xb50 drivers/net/netdevsim/dev.c:762 process_one_work+0x85b/0x1430 kernel/workqueue.c:2297 worker_thread+0x598/0x1040 kernel/workqueue.c:2444 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1338 [inline] free_pcp_prepare+0x2c5/0x780 mm/page_alloc.c:1389 free_unref_page_prepare mm/page_alloc.c:3315 [inline] free_unref_page_list+0x1a9/0xfa0 mm/page_alloc.c:3431 release_pages+0xc6b/0x1670 mm/swap.c:963 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:242 [inline] tlb_flush_mmu mm/mmu_gather.c:249 [inline] tlb_finish_mmu+0x127/0x790 mm/mmu_gather.c:340 exit_mmap+0x1b7/0x540 mm/mmap.c:3173 __mmput+0xed/0x430 kernel/fork.c:1115 exit_mm kernel/exit.c:501 [inline] do_exit+0x940/0x24b0 kernel/exit.c:812 do_group_exit+0xe7/0x290 kernel/exit.c:922 __do_sys_exit_group kernel/exit.c:933 [inline] __se_sys_exit_group kernel/exit.c:931 [inline] __x64_sys_exit_group+0x35/0x40 kernel/exit.c:931 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae Memory state around the buggy address: ffff88806f7f7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88806f7f8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88806f7f8080: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ^ ffff88806f7f8100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ffff88806f7f8180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================