ci starts bisection 2022-11-14 11:38:10.559463823 +0000 UTC m=+4748.766774695
bisecting cause commit starting from fef7fd48922d11b22620e19f9c9101647bfe943d
building syzkaller on 3ead01ade920906b89aff0066a9d5e922ee270c8
ensuring issue is reproducible on original commit fef7fd48922d11b22620e19f9c9101647bfe943d

testing commit fef7fd48922d11b22620e19f9c9101647bfe943d gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 32703f2ecee731f3f7624979835cb7395bdb4a12d1d1caf717439fe7a3d8d240
run #0: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #1: crashed: KASAN: use-after-free Read in crc_itu_t
run #2: crashed: KASAN: use-after-free Read in crc_itu_t
run #3: crashed: KASAN: slab-out-of-bounds Read in crc_itu_t
run #4: crashed: KASAN: use-after-free Read in crc_itu_t
run #5: crashed: KASAN: use-after-free Read in crc_itu_t
run #6: crashed: KASAN: use-after-free Read in crc_itu_t
run #7: crashed: KASAN: use-after-free Read in crc_itu_t
run #8: crashed: KASAN: use-after-free Read in crc_itu_t
run #9: crashed: KASAN: use-after-free Read in crc_itu_t
run #10: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #11: crashed: KASAN: use-after-free Read in crc_itu_t
run #12: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #13: crashed: KASAN: use-after-free Read in crc_itu_t
run #14: crashed: KASAN: use-after-free Read in crc_itu_t
run #15: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #16: crashed: KASAN: use-after-free Read in crc_itu_t
run #17: crashed: KASAN: use-after-free Read in crc_itu_t
run #18: crashed: KASAN: use-after-free Read in crc_itu_t
run #19: crashed: KASAN: slab-out-of-bounds Read in crc_itu_t
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: 1e3599fba30c3b4bda4608317783d78e2c19f0c5612b251dab6651f01e17a2f9
run #0: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #1: crashed: KASAN: use-after-free Read in crc_itu_t
run #2: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #3: crashed: KASAN: use-after-free Read in crc_itu_t
run #4: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #5: crashed: KASAN: slab-out-of-bounds Read in crc_itu_t
run #6: crashed: KASAN: use-after-free Read in crc_itu_t
run #7: crashed: KASAN: out-of-bounds Read in crc_itu_t
run #8: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #9: crashed: KASAN: use-after-free Read in crc_itu_t
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: 114a34a9135105ed1ddfa885ddf3670ea6bde864c6b1fa0eff5d6226fc594918
run #0: crashed: KASAN: use-after-free Read in crc_itu_t
run #1: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #2: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #3: crashed: KASAN: use-after-free Read in crc_itu_t
run #4: crashed: KASAN: use-after-free Read in crc_itu_t
run #5: crashed: KASAN: use-after-free Read in crc_itu_t
run #6: crashed: KASAN: use-after-free Read in crc_itu_t
run #7: crashed: KASAN: use-after-free Read in crc_itu_t
run #8: crashed: KASAN: use-after-free Read in crc_itu_t
run #9: crashed: KASAN: use-after-free Read in crc_itu_t
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: 632796d109e03e14d70e5a03dd18ab5e03caa184cfa7f47b32039e5bb751c854
run #0: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #1: crashed: KASAN: use-after-free Read in crc_itu_t
run #2: crashed: KASAN: use-after-free Read in crc_itu_t
run #3: crashed: KASAN: use-after-free Read in crc_itu_t
run #4: crashed: KASAN: use-after-free Read in crc_itu_t
run #5: crashed: KASAN: use-after-free Read in crc_itu_t
run #6: crashed: KASAN: use-after-free Read in crc_itu_t
run #7: crashed: KASAN: use-after-free Read in crc_itu_t
run #8: crashed: KASAN: use-after-free Read in crc_itu_t
run #9: crashed: KASAN: use-after-free Read in crc_itu_t
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: 1dca74fc5aa62f11e0ca94a152b181aa7e1897a048659a4830fbcdb7c03d7595
run #0: crashed: KASAN: use-after-free Read in crc_itu_t
run #1: crashed: KASAN: use-after-free Read in crc_itu_t
run #2: crashed: KASAN: slab-out-of-bounds Read in crc_itu_t
run #3: crashed: KASAN: use-after-free Read in crc_itu_t
run #4: crashed: KASAN: use-after-free Read in crc_itu_t
run #5: crashed: KASAN: use-after-free Read in crc_itu_t
run #6: crashed: KASAN: use-after-free Read in crc_itu_t
run #7: crashed: KASAN: use-after-free Read in crc_itu_t
run #8: crashed: KASAN: slab-out-of-bounds Read in crc_itu_t
run #9: crashed: KASAN: use-after-free Read in crc_itu_t
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: 09828482613e1cf452280fe1709f726fd8c2da50cf2de3ae830dad5142feb12e
run #0: crashed: KASAN: out-of-bounds Read in crc_itu_t
run #1: crashed: KASAN: use-after-free Read in crc_itu_t
run #2: crashed: KASAN: use-after-free Read in crc_itu_t
run #3: crashed: KASAN: use-after-free Read in crc_itu_t
run #4: crashed: KASAN: use-after-free Read in crc_itu_t
run #5: crashed: KASAN: use-after-free Read in crc_itu_t
run #6: crashed: KASAN: use-after-free Read in crc_itu_t
run #7: crashed: KASAN: slab-out-of-bounds Read in crc_itu_t
run #8: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
run #9: crashed: KASAN: use-after-free Read in crc_itu_t
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: 0f6195d9cc8af7cecd9d94ca62744c1eb98b651abb94221f04b04868119c10ce
run #0: crashed: KASAN: use-after-free Read in crc_itu_t
run #1: crashed: KASAN: use-after-free Read in crc_itu_t
run #2: crashed: KASAN: use-after-free Read in crc_itu_t
run #3: crashed: KASAN: use-after-free Read in crc_itu_t
run #4: crashed: KASAN: use-after-free Read in crc_itu_t
run #5: crashed: KASAN: use-after-free Read in crc_itu_t
run #6: crashed: KASAN: use-after-free Read in crc_itu_t
run #7: crashed: KASAN: use-after-free Read in crc_itu_t
run #8: crashed: KASAN: use-after-free Read in crc_itu_t
run #9: crashed: BUG: unable to handle kernel paging request in udf_close_lvid
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: b38df3eac2e922cd02c0769c2ba2dfefebf421d416331f30fa6458027d42a0bd
all runs: crashed: KASAN: use-after-free Read in crc_itu_t
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: 8bdfd5818c8e64e9e4b730254ea75d022cdafa2ebb62f525ba2ede67749c06b9
all runs: crashed: KASAN: use-after-free Read in crc_itu_t
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: d8657548252436b1a711b2d05ff88a568a9650ae0a1361eb7be1672753281bd1
run #0: crashed: KASAN: use-after-free Read in crc_itu_t
run #1: crashed: KASAN: out-of-bounds Read in crc_itu_t
run #2: crashed: KASAN: use-after-free Read in crc_itu_t
run #3: crashed: KASAN: use-after-free Read in crc_itu_t
run #4: crashed: KASAN: out-of-bounds Read in crc_itu_t
run #5: crashed: KASAN: use-after-free Read in crc_itu_t
run #6: crashed: KASAN: use-after-free Read in crc_itu_t
run #7: crashed: KASAN: use-after-free Read in crc_itu_t
run #8: crashed: KASAN: use-after-free Read in crc_itu_t
run #9: crashed: KASAN: use-after-free Read in crc_itu_t
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: fa8e42bb18124cbda38a4113e30e28665504c87eef69a3a08909e70f8363bc18
all runs: crashed: KASAN: use-after-free Read in crc_itu_t
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: 1a7835c272b607c0de385c81e53fb71134a1eded13df6725d78ef18ffef97a54
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: d062da58024f104b5c0fb346adf011e4512500c25cc3eeeca9faf04613fd8518
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: 58f9ae5f950456f61407c2d096ed522646625ebe8677886e7ca2c6b28f3ff165
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: 1d6da8fb0866d847517ee752bc755c67eefad4317f36960e273ffa147a60643f
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: a4001aa03e81f23c4281cfa44dc54c068c05506ac9d4a23d308fbecf4afd8fd7
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: 547e58ee6be8cb5cbafff82d9ca839b2f30d0ced2d9fe26c052a16bd0f24223e
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: 824a6f9d2984de2882f9d00391b767529ec89263260694e7c28ad3255b90f51f
run #0: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns
run #1: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns
run #2: basic kernel testing failed: KASAN: use-after-free Read in __task_pid_nr_ns
run #3: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns
run #4: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns
run #5: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns
run #6: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns
run #7: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns
run #8: basic kernel testing failed: KASAN: use-after-free Read in __task_pid_nr_ns
run #9: 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: 560096d2f7ed0fa274e783b4e5697e1a5af056d80c2df5b5a9125ce267ddbc8d
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@10.128.10.45:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.45' (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@10.128.15.201:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.201' (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@10.128.10.34:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.34' (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@10.128.1.118:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.1.118' (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@10.128.0.61:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.61' (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@10.128.0.167:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.167' (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@10.128.0.205:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.205' (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@10.128.15.202:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.202' (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@10.128.0.48:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.48' (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: 58da8b6bde1198bfbb0ebf7ea34164c58709cf07ad919a8568263b7f5ac055af
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@10.128.0.126:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.126' (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@10.128.10.54:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.54' (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@10.128.0.150:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.150' (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@10.128.10.55:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.55' (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@10.128.10.57:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.57' (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@10.128.10.58:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.58' (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@10.128.10.2:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.2' (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@10.128.15.194:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.194' (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@10.128.15.196:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.196' (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@10.128.15.201:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.201' (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: 49a85ecb4941b84baf8cd537735421630d36d0dc13c3df669b9f9eb92918c1bb
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@10.128.1.31:./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 #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@10.128.15.194:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.194' (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@10.128.0.181:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.181' (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@10.128.10.61:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.61' (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@10.128.15.200:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.200' (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@10.128.15.193:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.193' (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@10.128.15.201:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.201' (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@10.128.15.195:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.195' (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@10.128.15.196:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.196' (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@10.128.0.118:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.118' (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: 4a78f7a29e5a47e8289f4b7b982289721945b91b4ef33818afe4322a4d06aa0a
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@10.128.1.110:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.1.110' (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@10.128.1.125:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.1.125' (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@10.128.10.3:./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 #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@10.128.0.63:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.63' (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@10.128.10.44:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.44' (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@10.128.10.48:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.48' (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@10.128.10.51:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.51' (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@10.128.10.55:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.55' (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@10.128.10.59:./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 #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@10.128.10.61:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.61' (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: 81e6b0a143c02ce3e12a1350a158a99da89ff6f69b665c73c89abf40482da984
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@10.128.0.247:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.247' (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@10.128.10.62:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.62' (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@10.128.0.70:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.70' (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@10.128.15.193:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.193' (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@10.128.15.196:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.196' (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@10.128.1.86:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.1.86' (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@10.128.15.200:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.200' (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@10.128.15.197:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.197' (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@10.128.10.61:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.61' (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@10.128.15.199:./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

testing release v4.19
testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 94c7f3465e75045c7fc419d30f0be69f120c694a1c70b50067628f700bd56f8c
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@10.128.10.33:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.10.33' (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@10.128.1.10:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.1.10' (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@10.128.15.195:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.195' (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@10.128.15.196:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.196' (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@10.128.15.197:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.197' (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@10.128.0.2:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.2' (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@10.128.15.199:./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 #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@10.128.15.200:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.15.200' (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@10.128.1.106:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.1.106' (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@10.128.0.241:./syz-fuzzer"]: exit status 1
Warning: Permanently added '10.128.0.241' (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: c02ea53e0449ba591bf2d3f553c20a950734f2a6294140745602a661178ad5ff
all runs: boot failed: kernel panic: Attempted to kill init!
testing release v4.17
testing commit 29dcea88779c856c7dc92040a0c01233263101d4 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: eb94eecace7b3a22b861c26e1e554986a3d1e384855b92256d69385c1711a70c
all runs: boot failed: kernel panic: Attempted to kill init!
testing release v4.16
testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: df13688748b082571aa6c186c5ececf636688265a2f0a646d40b0a080dcab583
all runs: boot failed: kernel panic: Attempted to kill init!
testing release v4.15
testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 21f94082abe8bce7f5a361bd5557d3ad0a73e18f0e6016228a939cccda02117d
all runs: boot failed: can't ssh into the instance
testing release v4.14
testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5fab58abf6c0f42530bfacb749d755c2ac9991f90bc3d2a8fc6026ba9205e8f4
all runs: boot failed: can't ssh into the instance
testing release v4.13
testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 515afc2d1d75bf7ee5a3919f027775f5857fd70fb3d82bbd023ba1e2cc1055bc
all runs: boot failed: can't ssh into the instance
testing release v4.12
testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c gcc
compiler: gcc version 8.4.1 20210217 (GCC) 
kernel signature: e2fe52776e001ab610bd4d43d779e7c2859d1236bcb05a32008e6e9933ff13d7
all runs: boot failed: can't ssh into the instance
testing release v4.11
testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 gcc
compiler: gcc version 7.5.0 (GCC) 
kernel signature: fceadb0a449611f1942b510adb6921390d9cf8a6f967097bd396b7966966293c
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: 15c77044051c7be0d19eb2f0f64d3f61add4c3819738dad81dbd1e2b3989be0c
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: 4262a1ee0a1973e7c44fceaba05ac082ad44b13648ee0cfea82aa9de48a89959
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: 366c54b6363e5c77cad1388ad6df136b6192f6651bcb547af297c4368ceda55a
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: 265e2d66554d6132c9feabc505954f1c1da377587c1b398e6d4549450bbbf792
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: add2c1ac74dab934a55abea372c4ad7f21bf47330e4fc75ad002b8c8da5ff1da
all runs: boot failed: can't ssh into the instance
revisions tested: 37, total time: 8h5m50.301534682s (build: 4h37m5.10464923s, test: 3h21m29.83725595s)
the crash already happened on the oldest tested release
commit msg: Linux 5.11
crash: KASAN: use-after-free Read in crc_itu_t
==================================================================
BUG: KASAN: use-after-free in crc_itu_t+0x9c/0xc0 lib/crc-itu-t.c:60
Read of size 1 at addr ffff888033c6d000 by task syz-executor.0/5859

CPU: 1 PID: 5859 Comm: syz-executor.0 Not tainted 5.11.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x9a/0xcc lib/dump_stack.c:120
 print_address_description.constprop.0.cold+0x5b/0x2f8 mm/kasan/report.c:230
 __kasan_report mm/kasan/report.c:396 [inline]
 kasan_report.cold+0x79/0xd5 mm/kasan/report.c:413
 crc_itu_t+0x9c/0xc0 lib/crc-itu-t.c:60
 udf_finalize_lvid+0xdb/0x1d0 fs/udf/super.c:2009
 udf_sync_fs+0xc9/0x130 fs/udf/super.c:2382
 __sync_filesystem fs/sync.c:39 [inline]
 sync_filesystem fs/sync.c:64 [inline]
 sync_filesystem+0xcb/0x1f0 fs/sync.c:48
 generic_shutdown_super+0x64/0x320 fs/super.c:448
 kill_block_super+0x90/0xd0 fs/super.c:1393
 deactivate_locked_super+0x7b/0x130 fs/super.c:335
 cleanup_mnt+0x326/0x4c0 fs/namespace.c:1118
 task_work_run+0xc0/0x160 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x249/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f0541c59aa7
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdcaf206e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0541c59aa7
RDX: 00007ffdcaf207bb RSI: 000000000000000a RDI: 00007ffdcaf207b0
RBP: 00007ffdcaf207b0 R08: 00000000ffffffff R09: 00007ffdcaf20580
R10: 00005555570438b3 R11: 0000000000000246 R12: 00007f0541cb2826
R13: 00007ffdcaf21870 R14: 0000555557043810 R15: 00007ffdcaf218b0

The buggy address belongs to the page:
page:00000000a9991740 refcount:0 mapcount:-128 mapping:0000000000000000 index:0x1 pfn:0x33c6d
flags: 0xfff00000000000()
raw: 00fff00000000000 ffffea0000cd7a88 ffffea0000cf4b48 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffff7f 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x100cca(GFP_HIGHUSER_MOVABLE), pid 7949, ts 107114744644
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x144/0x1c0 mm/page_alloc.c:2297
 prep_new_page mm/page_alloc.c:2306 [inline]
 get_page_from_freelist+0x1c6e/0x3f80 mm/page_alloc.c:3945
 __alloc_pages_nodemask+0x2d6/0x730 mm/page_alloc.c:4995
 alloc_pages_vma+0xb1/0x5d0 mm/mempolicy.c:2230
 shmem_alloc_page+0x11a/0x1d0 mm/shmem.c:1565
 shmem_alloc_and_acct_page+0xff/0x730 mm/shmem.c:1590
 shmem_getpage_gfp+0x470/0x1bc0 mm/shmem.c:1893
 shmem_getpage mm/shmem.c:155 [inline]
 shmem_write_begin+0xc6/0x1a0 mm/shmem.c:2528
 generic_perform_write+0x1ce/0x430 mm/filemap.c:3412
 __generic_file_write_iter+0x1fb/0x590 mm/filemap.c:3541
 generic_file_write_iter+0xb9/0x1c0 mm/filemap.c:3573
 call_write_iter include/linux/fs.h:1901 [inline]
 new_sync_write+0x35d/0x5f0 fs/read_write.c:518
 vfs_write+0x5be/0x870 fs/read_write.c:605
 ksys_pwrite64 fs/read_write.c:712 [inline]
 __do_sys_pwrite64 fs/read_write.c:722 [inline]
 __se_sys_pwrite64 fs/read_write.c:719 [inline]
 __x64_sys_pwrite64+0x198/0x1f0 fs/read_write.c:719
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1271 [inline]
 free_pcp_prepare+0x2cb/0x410 mm/page_alloc.c:1306
 free_unref_page_prepare mm/page_alloc.c:3200 [inline]
 free_unref_page_list+0x19b/0x750 mm/page_alloc.c:3268
 release_pages+0xbee/0x1400 mm/swap.c:934
 __pagevec_release+0x59/0xe0 mm/swap.c:954
 pagevec_release include/linux/pagevec.h:85 [inline]
 shmem_undo_range+0x70e/0x1180 mm/shmem.c:954
 shmem_truncate_range mm/shmem.c:1058 [inline]
 shmem_evict_inode+0x345/0xa90 mm/shmem.c:1158
 evict+0x296/0x5d0 fs/inode.c:577
 __dentry_kill+0x315/0x550 fs/dcache.c:579
 __fput+0x2d3/0x870 fs/file_table.c:293
 task_work_run+0xc0/0x160 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x249/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Memory state around the buggy address:
 ffff888033c6cf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888033c6cf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888033c6d000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff888033c6d080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888033c6d100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================