ci starts bisection 2023-01-23 03:47:19.852109598 +0000 UTC m=+30953.798171678 bisecting cause commit starting from 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c building syzkaller on 9da18ae8fa827d046ef8da48cc23c97418553c23 ensuring issue is reproducible on original commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c testing commit 72a85e2b0a1e1e6fb4ee51ae902730212b2de25c gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d45a19057e7e288e78cab4ac6145128ba66c8c009b688a2e37d6cfbb763493d2 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in hub_event run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: INFO: rcu detected stall in batadv_nc_worker run #17: crashed: INFO: rcu detected stall in corrupted run #18: crashed: INFO: rcu detected stall in corrupted run #19: crashed: INFO: rcu detected stall in corrupted testing release v6.1 testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 381ad4998796f89ca6b136a5358764022efd1f7dbb368b56df985740f6a92103 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: task hung in synchronize_rcu run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in hub_event run #7: OK run #8: OK run #9: OK testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e320831edeee364768386e9662cc3e9f084b25d8ca2312e200933f1c4bccc813 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: OK run #8: OK run #9: OK testing release v5.19 testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 115369103b581e356ee6ba16699977fcc4505ccdfb95405025634923009e9193 run #0: crashed: INFO: rcu detected stall in dummy_timer run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in dummy_timer run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: OK run #7: OK run #8: OK run #9: OK testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d32e33cf205a571f521b665be81046a2ad10f6ef2b4e7d79940da17d0bad28c4 all runs: crashed: possible deadlock in display_open testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0708a6c6cee06db3ec2d30f0d2a24fd21ce88527411fe5e084e4519ff243231d all runs: crashed: possible deadlock in display_open testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2241d9ac85908bb892e7e8dfe755b1e698b472ff3083e7159ae9480d66407928 all runs: crashed: possible deadlock in display_open testing release v5.15 testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1630d727d4b7c3a13960a2c7ad419be6bd17b8f0e32782c9f30ee36dd7cb10b5 all runs: crashed: possible deadlock in display_open testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 193a37a6b9f2b3de9bbfbb33a3d64a0c28e8ebc4eabee89643d2b381b663c961 all runs: crashed: possible deadlock in display_open testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 708efc602060021c4a7c2003cb43d91f50229ff080890d972837ec877e778b3d all runs: crashed: possible deadlock in display_open testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 95f1304a03d1722c0c8f4263d5a191f33d13258fc68cc16a105df8ce3e08af13 all runs: crashed: possible deadlock in display_open testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c25fbb1efdb9db0f20e7d25f99a23f0d12c155c5d246da690c3e2eb0bc09fec3 run #0: crashed: INFO: task hung in imon_probe run #1: crashed: INFO: task hung in imon_probe run #2: crashed: INFO: task hung in imon_probe run #3: crashed: INFO: task hung in usb_deregister_dev run #4: crashed: INFO: task hung in imon_probe run #5: crashed: INFO: task hung in imon_probe run #6: crashed: INFO: task hung in imon_probe run #7: crashed: INFO: task hung in imon_probe run #8: crashed: INFO: task hung in usb_register_dev run #9: crashed: INFO: task hung in usb_register_dev testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 107500ca13464605b53c890ea2cc7c775534099208e118c49ab809317611f6e0 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: eaaff242d376f1e7cd2751dce44a60cf2bd4f249854f6519f178fa352291b8f7 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c gcc compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 32dc7a0b4fe628ab8c7c7533115faba1a24db4587f52420f7e11fc80b51d5248 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 gcc compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: dd2c8cfa8f5aa116b30f29620d9659c4cf8e1db647e3e7cdeeb6c3689d197e8b all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 25d8c7e6a8d084b36c452ad17460b4d85f45c2378d51a2dc707661c6593b452e all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 512947e9ed17ce0ba8a362c9ebf09aa27ccf3c87dd5fd6a45abd6f16ae08773f all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 211b7836d2e5f5ea7937ed8e4d854aa5d2de90c3b93e7cbebb61506b6ccfaef5 all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 8b1d6f7d99010c5cd9ddf65ce0cf159f7a7fcb711ac33acf3b571a8063f9a237 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.216:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.216' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.59:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.219:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.219' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.210:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.210' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.220:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.220' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.215:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.215' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.7:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.7' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.221:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.221' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.217:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.217' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.218:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 1067e21df59a366fdde0b7942486924435544de310985c0fc27e972519f4ae67 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.83:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.83' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.7:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.25:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.28:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.30:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.30' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.21:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.21' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.43:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.213:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.213' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.199:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.199' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.204:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.204' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: d3dd3adbacec3c8276e4b0dc4e8d5e84b23758ae682fdb2a2d878628b17d07f2 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.216:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.216' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.134:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.134' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.212:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.217:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.217' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.218:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.219:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.219' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.221:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.221' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.14:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.14' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.224:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.224' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.226:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.226' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 32b2b5291e8cde9a9da7d9e863f311d52d8dda2889b6411f516a7e34afee3b4a run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.226:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.139:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.139' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.25:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.25' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.116:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.116' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.47:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.47' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.102:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.102' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.107:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.107' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.8:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.8' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.3:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.3' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.85:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.85' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 3ccdeb68f2fef4f60bc48d3d3058a5c0980017adc42e2a6a7b9bddd8310fff0e run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.5:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.29:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.33:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.33' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.157:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.31:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.31' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.82:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.82' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.35:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.111:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.111' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.243:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.243' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.5:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 38f08bae739718466a2539efee51bea43bd529880351c65aa94c65d2c4504ae5 run #0: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.20:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.20' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.10.30:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.30' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #2: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.212:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #3: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.17:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.17' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #4: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.216:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.216' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #5: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.214:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.214' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system run #6: basic kernel testing failed: failed to copy test binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.160:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.160' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.71:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.71' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.219:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.219' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.218:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 gcc compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 0faf48f0e48cfa24112ecb02c43a758b1d94b7b87d4afbf4434f15d270cacbbd all runs: boot failed: kernel panic: Attempted to kill init! testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 gcc compiler: gcc (GCC) 8.4.1 20210217 ./security/selinux/include/classmap.h:247:2: error: #error New address family defined, please update secclass_map. testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda gcc compiler: gcc (GCC) 8.4.1 20210217 ./security/selinux/include/classmap.h:247:2: error: #error New address family defined, please update secclass_map. testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff gcc compiler: gcc (GCC) 8.4.1 20210217 ./security/selinux/include/classmap.h:247:2: error: #error New address family defined, please update secclass_map. testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 gcc compiler: gcc (GCC) 8.4.1 20210217 ./security/selinux/include/classmap.h:245:2: error: #error New address family defined, please update secclass_map. testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 gcc compiler: gcc (GCC) 8.4.1 20210217 ./security/selinux/include/classmap.h:242:2: error: #error New address family defined, please update secclass_map. testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c gcc compiler: gcc (GCC) 8.4.1 20210217 ./security/selinux/include/classmap.h:238:2: error: #error New address family defined, please update secclass_map. testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 gcc compiler: gcc version 7.5.0 (GCC) kernel signature: 86f7bf10c4a87c8323eaca6c859de62b757749b7ee8090e4ac6337e5017595c3 all runs: boot failed: can't ssh into the instance testing release v4.10 testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd gcc compiler: gcc version 5.5.0 (GCC) kernel signature: 34d9687c733d1cfc610d324ffcdffd74ec7fd565b8fdc4ce794012048f2ba57c all runs: boot failed: can't ssh into the instance testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 gcc compiler: gcc version 5.5.0 (GCC) kernel signature: 6464976da12ba5f8f84b6e6efe8c24a7371413b00bd474b9a70a93ba08a63608 all runs: boot failed: can't ssh into the instance testing release v4.8 testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 gcc compiler: gcc version 5.5.0 (GCC) kernel signature: b56f28d9c476b3d3c023621acd59053bf1946239a4173471ca6dc54f6b33f7ad all runs: boot failed: can't ssh into the instance testing release v4.7 testing commit 523d939ef98fd712632d93a5a2b588e477a7565e gcc compiler: gcc version 5.5.0 (GCC) kernel signature: de70aff25b54b257799332a064d69d1f41c824855e738bd749277867de88fc3e all runs: boot failed: can't ssh into the instance testing release v4.6 testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a gcc compiler: gcc version 5.5.0 (GCC) kernel signature: b1435a40b3deaf569517d8859dc75075cc5e9ceb8283794dd44ddca0ce50fddc all runs: boot failed: can't ssh into the instance revisions tested: 32, total time: 7h37m54.336724918s (build: 4h45m59.406983982s, test: 2h43m10.532666555s) the crash already happened on the oldest tested release commit msg: Linux 5.11 crash: INFO: task hung in usb_register_dev INFO: task kworker/0:0:5 blocked for more than 143 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:25600 pid: 5 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 rwsem_down_write_slowpath+0x7e5/0x1200 kernel/locking/rwsem.c:1106 __down_write_common kernel/locking/rwsem.c:1261 [inline] __down_write_common kernel/locking/rwsem.c:1258 [inline] __down_write kernel/locking/rwsem.c:1270 [inline] down_write+0x132/0x150 kernel/locking/rwsem.c:1407 usb_register_dev drivers/usb/core/file.c:187 [inline] usb_register_dev+0x12e/0x700 drivers/usb/core/file.c:156 imon_init_display drivers/media/rc/imon.c:2388 [inline] imon_probe+0x2218/0x2990 drivers/media/rc/imon.c:2471 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_set_configuration+0xc18/0x1700 drivers/usb/core/message.c:2164 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238 usb_probe_device+0x98/0x240 drivers/usb/core/driver.c:293 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_new_device.cold+0x69a/0xee1 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x10ab/0x36a0 drivers/usb/core/hub.c:5591 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275 worker_thread+0x598/0xf80 kernel/workqueue.c:2421 kthread+0x36f/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 INFO: task kworker/0:1:14 blocked for more than 143 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:27024 pid: 14 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103 imon_probe+0x12c/0x2990 drivers/media/rc/imon.c:2421 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_set_configuration+0xc18/0x1700 drivers/usb/core/message.c:2164 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238 usb_probe_device+0x98/0x240 drivers/usb/core/driver.c:293 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_new_device.cold+0x69a/0xee1 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x10ab/0x36a0 drivers/usb/core/hub.c:5591 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275 worker_thread+0x598/0xf80 kernel/workqueue.c:2421 kthread+0x36f/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 INFO: task kworker/1:0:19 blocked for more than 144 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:26992 pid: 19 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103 imon_probe+0x12c/0x2990 drivers/media/rc/imon.c:2421 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_set_configuration+0xc18/0x1700 drivers/usb/core/message.c:2164 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238 usb_probe_device+0x98/0x240 drivers/usb/core/driver.c:293 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_new_device.cold+0x69a/0xee1 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x10ab/0x36a0 drivers/usb/core/hub.c:5591 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275 worker_thread+0x598/0xf80 kernel/workqueue.c:2421 kthread+0x36f/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 INFO: task kworker/0:4:5498 blocked for more than 144 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:4 state:D stack:26992 pid: 5498 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103 imon_probe+0x12c/0x2990 drivers/media/rc/imon.c:2421 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_set_configuration+0xc18/0x1700 drivers/usb/core/message.c:2164 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238 usb_probe_device+0x98/0x240 drivers/usb/core/driver.c:293 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_new_device.cold+0x69a/0xee1 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x10ab/0x36a0 drivers/usb/core/hub.c:5591 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275 worker_thread+0x598/0xf80 kernel/workqueue.c:2421 kthread+0x36f/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 INFO: task syz-executor.3:6359 blocked for more than 145 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:28576 pid: 6359 ppid: 5955 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103 display_open+0x1e/0x1e0 drivers/media/rc/imon.c:503 usb_open+0x1d5/0x2a0 drivers/usb/core/file.c:48 chrdev_open+0x20f/0x650 fs/char_dev.c:414 do_dentry_open+0x42a/0xfb0 fs/open.c:817 do_open fs/namei.c:3254 [inline] path_openat+0x12cd/0x21d0 fs/namei.c:3371 do_filp_open+0x16d/0x390 fs/namei.c:3398 do_sys_openat2+0x11e/0x360 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_openat fs/open.c:1204 [inline] __se_sys_openat fs/open.c:1199 [inline] __x64_sys_openat+0x11b/0x1d0 fs/open.c:1199 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f8225be9234 RSP: 002b:00007f8224fa8ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f8225d56f80 RCX: 00007f8225be9234 RDX: 0000000000000002 RSI: 00007f8224fa8d40 RDI: 00000000ffffff9c RBP: 00007f8224fa8d40 R08: 0000000000000000 R09: 000000000000000f R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffcaf25fb4f R14: 00007f8224fa9300 R15: 0000000000022000 INFO: task syz-executor.1:6370 blocked for more than 145 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:28576 pid: 6370 ppid: 5949 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 rwsem_down_read_slowpath+0x4ca/0x980 kernel/locking/rwsem.c:992 __down_read_common kernel/locking/rwsem.c:1213 [inline] __down_read kernel/locking/rwsem.c:1222 [inline] down_read+0xdf/0x440 kernel/locking/rwsem.c:1355 usb_open+0x1f/0x2a0 drivers/usb/core/file.c:39 chrdev_open+0x20f/0x650 fs/char_dev.c:414 do_dentry_open+0x42a/0xfb0 fs/open.c:817 do_open fs/namei.c:3254 [inline] path_openat+0x12cd/0x21d0 fs/namei.c:3371 do_filp_open+0x16d/0x390 fs/namei.c:3398 do_sys_openat2+0x11e/0x360 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_openat fs/open.c:1204 [inline] __se_sys_openat fs/open.c:1199 [inline] __x64_sys_openat+0x11b/0x1d0 fs/open.c:1199 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f4371aa2234 RSP: 002b:00007f4370e61ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f4371c0ff80 RCX: 00007f4371aa2234 RDX: 0000000000000002 RSI: 00007f4370e61d40 RDI: 00000000ffffff9c RBP: 00007f4370e61d40 R08: 0000000000000000 R09: 000000000000000f R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffe742487ff R14: 00007f4370e62300 R15: 0000000000022000 INFO: task kworker/0:5:6372 blocked for more than 145 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:27024 pid: 6372 ppid: 2 flags:0x00004000 Workqueue: usb_hub_wq hub_event Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:5216 __mutex_lock_common kernel/locking/mutex.c:1033 [inline] __mutex_lock+0x81a/0x1110 kernel/locking/mutex.c:1103 imon_probe+0x12c/0x2990 drivers/media/rc/imon.c:2421 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_set_configuration+0xc18/0x1700 drivers/usb/core/message.c:2164 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238 usb_probe_device+0x98/0x240 drivers/usb/core/driver.c:293 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:431 __device_attach+0x1db/0x400 drivers/base/dd.c:914 bus_probe_device+0x19d/0x250 drivers/base/bus.c:491 device_add+0x99a/0x1ad0 drivers/base/core.c:3109 usb_new_device.cold+0x69a/0xee1 drivers/usb/core/hub.c:2555 hub_port_connect drivers/usb/core/hub.c:5223 [inline] hub_port_connect_change drivers/usb/core/hub.c:5363 [inline] port_event drivers/usb/core/hub.c:5509 [inline] hub_event+0x10ab/0x36a0 drivers/usb/core/hub.c:5591 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275 worker_thread+0x598/0xf80 kernel/workqueue.c:2421 kthread+0x36f/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 INFO: task syz-executor.4:6621 blocked for more than 146 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28576 pid: 6621 ppid: 5953 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 rwsem_down_read_slowpath+0x4ca/0x980 kernel/locking/rwsem.c:992 __down_read_common kernel/locking/rwsem.c:1213 [inline] __down_read kernel/locking/rwsem.c:1222 [inline] down_read+0xdf/0x440 kernel/locking/rwsem.c:1355 usb_open+0x1f/0x2a0 drivers/usb/core/file.c:39 chrdev_open+0x20f/0x650 fs/char_dev.c:414 do_dentry_open+0x42a/0xfb0 fs/open.c:817 do_open fs/namei.c:3254 [inline] path_openat+0x12cd/0x21d0 fs/namei.c:3371 do_filp_open+0x16d/0x390 fs/namei.c:3398 do_sys_openat2+0x11e/0x360 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_openat fs/open.c:1204 [inline] __se_sys_openat fs/open.c:1199 [inline] __x64_sys_openat+0x11b/0x1d0 fs/open.c:1199 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7eff25222234 RSP: 002b:00007eff2459fca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007eff25390120 RCX: 00007eff25222234 RDX: 0000000000000002 RSI: 00007eff2459fd40 RDI: 00000000ffffff9c RBP: 00007eff2459fd40 R08: 0000000000000000 R09: 000000000000000f R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007fffde7339bf R14: 00007eff245a0300 R15: 0000000000022000 INFO: task syz-executor.0:6638 blocked for more than 146 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:29248 pid: 6638 ppid: 5950 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 rwsem_down_read_slowpath+0x4ca/0x980 kernel/locking/rwsem.c:992 __down_read_common kernel/locking/rwsem.c:1213 [inline] __down_read kernel/locking/rwsem.c:1222 [inline] down_read+0xdf/0x440 kernel/locking/rwsem.c:1355 usb_open+0x1f/0x2a0 drivers/usb/core/file.c:39 chrdev_open+0x20f/0x650 fs/char_dev.c:414 do_dentry_open+0x42a/0xfb0 fs/open.c:817 do_open fs/namei.c:3254 [inline] path_openat+0x12cd/0x21d0 fs/namei.c:3371 do_filp_open+0x16d/0x390 fs/namei.c:3398 do_sys_openat2+0x11e/0x360 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_openat fs/open.c:1204 [inline] __se_sys_openat fs/open.c:1199 [inline] __x64_sys_openat+0x11b/0x1d0 fs/open.c:1199 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f36f4f2f234 RSP: 002b:00007f36f42acca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f36f509d120 RCX: 00007f36f4f2f234 RDX: 0000000000000002 RSI: 00007f36f42acd40 RDI: 00000000ffffff9c RBP: 00007f36f42acd40 R08: 0000000000000000 R09: 000000000000000f R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffe4d940fdf R14: 00007f36f42ad300 R15: 0000000000022000 INFO: task syz-executor.2:6668 blocked for more than 147 seconds. Not tainted 5.11.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29248 pid: 6668 ppid: 5961 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4327 [inline] __schedule+0x8de/0x2170 kernel/sched/core.c:5078 schedule+0xcf/0x270 kernel/sched/core.c:5157 rwsem_down_read_slowpath+0x4ca/0x980 kernel/locking/rwsem.c:992 __down_read_common kernel/locking/rwsem.c:1213 [inline] __down_read kernel/locking/rwsem.c:1222 [inline] down_read+0xdf/0x440 kernel/locking/rwsem.c:1355 usb_open+0x1f/0x2a0 drivers/usb/core/file.c:39 chrdev_open+0x20f/0x650 fs/char_dev.c:414 do_dentry_open+0x42a/0xfb0 fs/open.c:817 do_open fs/namei.c:3254 [inline] path_openat+0x12cd/0x21d0 fs/namei.c:3371 do_filp_open+0x16d/0x390 fs/namei.c:3398 do_sys_openat2+0x11e/0x360 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_openat fs/open.c:1204 [inline] __se_sys_openat fs/open.c:1199 [inline] __x64_sys_openat+0x11b/0x1d0 fs/open.c:1199 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f473ec8f234 RSP: 002b:00007f473e00cca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f473edfd120 RCX: 00007f473ec8f234 RDX: 0000000000000002 RSI: 00007f473e00cd40 RDI: 00000000ffffff9c RBP: 00007f473e00cd40 R08: 0000000000000000 R09: 000000000000000f R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffd721ce03f R14: 00007f473e00d300 R15: 0000000000022000 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 1589 Comm: khungtaskd Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x9a/0xcc lib/dump_stack.c:120 nmi_cpu_backtrace.cold+0x30/0x99 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x11f/0x170 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline] watchdog+0x951/0xc20 kernel/hung_task.c:294 kthread+0x36f/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 27 Comm: kworker/u4:2 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: bat_events batadv_nc_worker RIP: 0010:debug_lockdep_rcu_enabled+0x6/0x30 kernel/rcu/update.c:278 Code: cc cc cc cc 65 81 05 f5 75 9f 77 00 00 00 10 c3 0f 1f 40 00 65 81 05 e5 75 9f 77 00 00 00 f0 c3 cc cc cc cc 8b 05 de 00 17 04 <85> c0 74 21 8b 05 8c 31 17 04 85 c0 74 17 65 48 8b 04 25 00 f0 01 RSP: 0018:ffffc90000e37c80 EFLAGS: 00000286 RAX: 0000000000000002 RBX: ffff88803db113c0 RCX: 1ffffffff18f57a7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c7a8b88 RBP: ffff88800f871800 R08: 0000000000000000 R09: ffffffff8c7a8b8f R10: fffffbfff18f5171 R11: ffff8880b9f408c8 R12: dffffc0000000000 R13: ffff888016064bc0 R14: ffff888016065618 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a382696680 CR3: 0000000027d08000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_lock include/linux/rcupdate.h:649 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:404 [inline] batadv_nc_worker+0x10d/0xcc0 net/batman-adv/network-coding.c:715 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275 worker_thread+0x598/0xf80 kernel/workqueue.c:2421 kthread+0x36f/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296