bisecting cause commit starting from 90d9fbc16b691403a80a119d7094528721c03279 building syzkaller on 49ca1f59e37fcf63dc38a6bd2b60fcc47a0a708e testing commit 90d9fbc16b691403a80a119d7094528721c03279 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d97e3379f8fd2ce70bc4c63df1e82a37b86f9820e02befcf9efed87f76c6c0cd all runs: crashed: possible deadlock in input_event testing release v5.15 testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 23b867ff5df3d6cb6b498368a18ae79abf8004bbd96dea98ad38033811273ce5 all runs: crashed: possible deadlock in input_event testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b2164682a4188d600e8629b33fdd665dc2a6573b9b8685e4bb26430826cfdcc6 run #0: crashed: possible deadlock in input_event run #1: crashed: possible deadlock in input_event run #2: crashed: possible deadlock in input_event run #3: crashed: possible deadlock in input_event run #4: crashed: possible deadlock in input_event run #5: crashed: possible deadlock in input_event run #6: crashed: possible deadlock in input_event run #7: crashed: possible deadlock in input_event run #8: crashed: possible deadlock in input_event run #9: crashed: possible deadlock in kill_fasync testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d6fe745592b80ae8986d100cc520c0fff9c440ffd363b3dd0a8a457d65577d25 all runs: crashed: possible deadlock in input_event testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 864dad0df29c43a862d859123979720ac13bae730acb39cb4c33aff115ff50f2 all runs: crashed: possible deadlock in input_event testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ff881afc3b439a2c202b9f684ce4fd4adcabd2fe7d0b6317383e3a44098713e9 all runs: crashed: possible deadlock in input_event testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ffa3bc1846989c522c16c86fc21eb8d70808f95a91697a117f234232fb4187eb all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 74c981e7841a396f3d3c3161e2d15b9bb981a31f7af64ba52b96d7764743d69d all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4baafe3a0dbb1ec34babd17edaf2cb1c645d883bcd2e806e59b4babcf519014b run #0: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #1: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #2: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #3: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #4: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #5: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #6: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #7: basic kernel testing failed: KASAN: use-after-free Read in __task_pid_nr_ns run #8: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #9: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f741855453a16eb6c13470db55eb6c74c9b453ef9d71b713936f24ee20218d27 run #0: basic kernel testing failed: KASAN: use-after-free Read in __task_pid_nr_ns run #1: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #2: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #3: basic kernel testing failed: KASAN: use-after-free Read in __task_pid_nr_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_pid_nr_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_active_pid_ns run #9: boot failed: can't ssh into the instance testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: b3b7660406d494b051a082d314f50a67b9bb9592830f5dabb5ebc84351374f07 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_pid_nr_ns run #2: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #3: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #4: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #5: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #6: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #7: basic kernel testing failed: KASAN: use-after-free Read in __task_pid_nr_ns run #8: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns run #9: basic kernel testing failed: KASAN: use-after-free Read in __task_pid_nr_ns testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: b9272be4fdc95f16ce2b28bae42860b26298a38f5e6c26ec953301b4928a86e1 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_active_pid_ns run #9: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 9eebb85d8afb8cfb53b0e326c7da0b3a23f2d333772e42c7613f1d5a13a630ed all runs: basic kernel testing failed: KASAN: use-after-free Read in task_active_pid_ns testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 24dbbeba5178bdb6deb409e96c7d22a764de2c5b202b3e8dbdbb2e6b753d29ab 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@10.128.0.114:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.114' (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@10.128.1.98:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.98' (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@10.128.0.153:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.153' (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@10.128.1.99:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.99' (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@10.128.0.229:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.229' (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@10.128.1.127:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.127' (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@10.128.1.36:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.36' (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@10.128.1.60:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.60' (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@10.128.1.76:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.76' (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@10.128.1.82:./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 testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 46187d7e24ef821929c2870c85196922bdc001c62b3afcd7ba8c625ba8d4739b 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@10.128.1.98:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.98' (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@10.128.10.2:./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 #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@10.128.0.187:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.187' (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@10.128.10.4:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.4' (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@10.128.1.99:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.99' (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@10.128.10.15:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.15' (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@10.128.1.111:./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 #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@10.128.1.114:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.114' (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@10.128.1.127:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.127' (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@10.128.10.0:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: aa36124fe5ef1497e0548708e24eb4e4b5dcd7e2225fea27f42fe3f1d8a44b4f 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@10.128.1.103:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.103' (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@10.128.1.105:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.105' (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@10.128.1.94:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.94' (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@10.128.1.97:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.97' (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@10.128.1.100:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.100' (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@10.128.10.5:./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 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@10.128.10.6:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.6' (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@10.128.1.101:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.101' (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@10.128.1.123:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.123' (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@10.128.10.0:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 506ab0be93a3b5b2459ef46aa16b70a56242935c31c37f2cf7e016bb693f9b7a 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@10.128.0.129:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.129' (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@10.128.1.114:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.114' (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@10.128.0.79:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.79' (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@10.128.0.222:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.222' (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@10.128.10.3:./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 #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@10.128.1.117:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.117' (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@10.128.1.119:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.119' (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@10.128.1.124:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.124' (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@10.128.1.125:./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 #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@10.128.10.0:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 70444a75be4e3cf31096b980ab2a876538eb1924338f26700f05c401b33ca414 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@10.128.0.2:./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 #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@10.128.0.70:./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 #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@10.128.10.13:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.13' (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@10.128.10.22:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.22' (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@10.128.0.230:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.230' (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@10.128.10.25:./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 #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@10.128.10.18:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.18' (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@10.128.10.17:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.10.17' (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@10.128.0.8:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.0.8' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: d170612e08e7639c061bd724b35b169296c2dc7e19b15cb7a2460f7ce59c8dfc 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@10.128.1.96:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.96' (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@10.128.1.103:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.103' (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@10.128.1.106:./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 #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@10.128.1.120:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.120' (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@10.128.1.118:./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 #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@10.128.1.117:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.117' (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@10.128.1.113:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.113' (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@10.128.1.108:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.108' (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@10.128.1.100:./syz-fuzzer"]: exit status 1 Warning: Permanently added '10.128.1.100' (ECDSA) to the list of known hosts. scp: ./syz-fuzzer: Read-only file system testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: f5401aeee641e6c6567aded32283b03ab08d30769dba43ba47570e2d275a5f3d all runs: boot failed: kernel panic: Attempted to kill init! testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 compiler: gcc (GCC) 8.4.1 20210217 failed to run ["make" "-j" "64" "ARCH=x86_64" "CC=/syzkaller/shared/bisect_bin/gcc-8.1.0/bin/gcc" "bzImage"]: exit status 2 testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda compiler: gcc (GCC) 8.4.1 20210217 orc_dump.c:106:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] orc_dump.c:111:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] elf.c:135:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:140:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff compiler: gcc (GCC) 8.4.1 20210217 orc_dump.c:106:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] orc_dump.c:111:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] elf.c:135:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:140:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:36:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 compiler: gcc (GCC) 8.4.1 20210217 orc_dump.c:105:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] orc_dump.c:110:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] elf.c:134:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:139:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:36:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 compiler: gcc (GCC) 8.4.1 20210217 pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] elf.c:144:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:149:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c compiler: gcc (GCC) 8.4.1 20210217 pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] elf.c:141:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:146:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 compiler: gcc (GCC) 7.5.0 elf.c:141:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:146:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.10 testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd compiler: gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] elf.c:129:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:134:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 compiler: gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] elf.c:129:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:134:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:35:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.8 testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 compiler: gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] elf.c:129:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:134:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:33:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.7 testing commit 523d939ef98fd712632d93a5a2b588e477a7565e compiler: gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] elf.c:122:2: error: 'elf_getshnum' is deprecated [-Werror=deprecated-declarations] elf.c:127:2: error: 'elf_getshstrndx' is deprecated [-Werror=deprecated-declarations] pager.c:33:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] testing release v4.6 testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a compiler: gcc (GCC) 5.5.0 tools/include/linux/log2.h:19:1: error: ignoring attribute 'noreturn' because it conflicts with attribute 'const' [-Werror=attributes] pager.c:33:12: error: passing argument 2 to 'restrict'-qualified parameter aliases with argument 4 [-Werror=restrict] revisions tested: 20, total time: 4h5m34.513386712s (build: 2h58m14.881459135s, test: 1h2m13.072288535s) the crash already happened on the oldest tested release commit msg: Linux 5.11 crash: possible deadlock in input_event ===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 5.11.0-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor993/5915 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: ffffffff8a40a098 (tasklist_lock){.+.+}-{2:2}, at: send_sigio+0x8c/0x2a0 fs/fcntl.c:801 and this task is already holding: ffff888012d4bcb8 (&f->f_owner.lock){....}-{2:2}, at: send_sigio+0x1c/0x2a0 fs/fcntl.c:787 which would create a new lock dependency: (&f->f_owner.lock){....}-{2:2} -> (tasklist_lock){.+.+}-{2:2} but this new dependency connects a HARDIRQ-irq-safe lock: (&dev->event_lock){-...}-{2:2} ... which became HARDIRQ-irq-safe at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159 input_event drivers/input/input.c:445 [inline] input_event+0x41/0x80 drivers/input/input.c:438 input_report_key include/linux/input.h:425 [inline] psmouse_report_standard_buttons+0x1b/0x50 drivers/input/mouse/psmouse-base.c:123 psmouse_report_standard_packet drivers/input/mouse/psmouse-base.c:141 [inline] psmouse_process_byte+0x1ae/0x7a0 drivers/input/mouse/psmouse-base.c:232 psmouse_handle_byte+0x3c/0x180 drivers/input/mouse/psmouse-base.c:274 psmouse_interrupt+0x22b/0xd60 drivers/input/mouse/psmouse-base.c:426 serio_interrupt+0x7e/0x110 drivers/input/serio/serio.c:1002 i8042_interrupt+0x17b/0x410 drivers/input/serio/i8042.c:602 __handle_irq_event_percpu+0x256/0x680 kernel/irq/handle.c:156 handle_irq_event_percpu kernel/irq/handle.c:196 [inline] handle_irq_event+0xfa/0x260 kernel/irq/handle.c:213 handle_edge_irq+0x203/0xb50 kernel/irq/chip.c:819 asm_call_irq_on_stack+0xf/0x20 __run_irq_on_irqstack arch/x86/include/asm/irq_stack.h:48 [inline] run_irq_on_irqstack_cond arch/x86/include/asm/irq_stack.h:101 [inline] handle_irq arch/x86/kernel/irq.c:230 [inline] __common_interrupt arch/x86/kernel/irq.c:249 [inline] common_interrupt+0x120/0x200 arch/x86/kernel/irq.c:239 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:620 native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline] arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x25/0x50 kernel/locking/spinlock.c:191 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] i8042_command+0x8b/0xb0 drivers/input/serio/i8042.c:352 i8042_aux_write+0xb1/0x100 drivers/input/serio/i8042.c:387 serio_write include/linux/serio.h:125 [inline] ps2_do_sendbyte+0x1f2/0x5a0 drivers/input/serio/libps2.c:40 ps2_sendbyte+0x53/0x140 drivers/input/serio/libps2.c:92 cypress_ps2_sendbyte+0x21/0x130 drivers/input/mouse/cypress_ps2.c:42 cypress_ps2_read_cmd_status drivers/input/mouse/cypress_ps2.c:116 [inline] cypress_send_ext_cmd+0x1ae/0x7b0 drivers/input/mouse/cypress_ps2.c:189 cypress_detect+0x6c/0x130 drivers/input/mouse/cypress_ps2.c:205 psmouse_do_detect drivers/input/mouse/psmouse-base.c:1009 [inline] psmouse_try_protocol+0x194/0x3a0 drivers/input/mouse/psmouse-base.c:1023 psmouse_extensions+0x3f8/0x680 drivers/input/mouse/psmouse-base.c:1146 psmouse_switch_protocol+0x4a2/0x690 drivers/input/mouse/psmouse-base.c:1542 psmouse_connect+0x57b/0xe70 drivers/input/mouse/psmouse-base.c:1632 serio_connect_driver drivers/input/serio/serio.c:47 [inline] serio_driver_probe+0x6d/0xa0 drivers/input/serio/serio.c:778 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 device_driver_attach+0x1da/0x240 drivers/base/dd.c:1015 __driver_attach+0xee/0x260 drivers/base/dd.c:1092 bus_for_each_dev+0x119/0x1a0 drivers/base/bus.c:305 serio_attach_driver drivers/input/serio/serio.c:808 [inline] serio_handle_event+0x48f/0x750 drivers/input/serio/serio.c:227 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 to a HARDIRQ-irq-unsafe lock: (tasklist_lock){.+.+}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223 do_wait+0x28f/0x840 kernel/exit.c:1465 kernel_wait+0x97/0x130 kernel/exit.c:1647 call_usermodehelper_exec_sync kernel/umh.c:137 [inline] call_usermodehelper_exec_work+0xbb/0x140 kernel/umh.c:164 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 other info that might help us debug this: Chain exists of: &dev->event_lock --> &f->f_owner.lock --> tasklist_lock Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(tasklist_lock); local_irq_disable(); lock(&dev->event_lock); lock(&f->f_owner.lock); lock(&dev->event_lock); *** DEADLOCK *** 9 locks held by syz-executor993/5915: #0: ffff88814714a110 (&evdev->mutex){+.+.}-{3:3}, at: evdev_write+0x181/0x600 drivers/input/evdev.c:513 #1: ffff888145dcc230 (&dev->event_lock){-...}-{2:2}, at: input_inject_event+0x6c/0x220 drivers/input/input.c:471 #2: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: is_event_supported drivers/input/input.c:53 [inline] #2: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: is_event_supported drivers/input/input.c:50 [inline] #2: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: input_inject_event+0x5d/0x220 drivers/input/input.c:470 #3: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: input_pass_values.part.0+0x0/0x550 drivers/input/input.c:837 #4: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: evdev_events+0x50/0x2f0 drivers/input/evdev.c:296 #5: ffff8880227e9028 (&client->buffer_lock){....}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #5: ffff8880227e9028 (&client->buffer_lock){....}-{2:2}, at: evdev_pass_values.part.0+0xef/0xb10 drivers/input/evdev.c:261 #6: ffffffff8a76ad40 (rcu_read_lock){....}-{1:2}, at: kill_fasync+0x36/0x310 fs/fcntl.c:1023 #7: ffff888015b53018 (&new->fa_lock){....}-{2:2}, at: kill_fasync_rcu fs/fcntl.c:1004 [inline] #7: ffff888015b53018 (&new->fa_lock){....}-{2:2}, at: kill_fasync fs/fcntl.c:1025 [inline] #7: ffff888015b53018 (&new->fa_lock){....}-{2:2}, at: kill_fasync+0xec/0x310 fs/fcntl.c:1018 #8: ffff888012d4bcb8 (&f->f_owner.lock){....}-{2:2}, at: send_sigio+0x1c/0x2a0 fs/fcntl.c:787 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (&dev->event_lock){-...}-{2:2} { IN-HARDIRQ-W at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159 input_event drivers/input/input.c:445 [inline] input_event+0x41/0x80 drivers/input/input.c:438 input_report_key include/linux/input.h:425 [inline] psmouse_report_standard_buttons+0x1b/0x50 drivers/input/mouse/psmouse-base.c:123 psmouse_report_standard_packet drivers/input/mouse/psmouse-base.c:141 [inline] psmouse_process_byte+0x1ae/0x7a0 drivers/input/mouse/psmouse-base.c:232 psmouse_handle_byte+0x3c/0x180 drivers/input/mouse/psmouse-base.c:274 psmouse_interrupt+0x22b/0xd60 drivers/input/mouse/psmouse-base.c:426 serio_interrupt+0x7e/0x110 drivers/input/serio/serio.c:1002 i8042_interrupt+0x17b/0x410 drivers/input/serio/i8042.c:602 __handle_irq_event_percpu+0x256/0x680 kernel/irq/handle.c:156 handle_irq_event_percpu kernel/irq/handle.c:196 [inline] handle_irq_event+0xfa/0x260 kernel/irq/handle.c:213 handle_edge_irq+0x203/0xb50 kernel/irq/chip.c:819 asm_call_irq_on_stack+0xf/0x20 __run_irq_on_irqstack arch/x86/include/asm/irq_stack.h:48 [inline] run_irq_on_irqstack_cond arch/x86/include/asm/irq_stack.h:101 [inline] handle_irq arch/x86/kernel/irq.c:230 [inline] __common_interrupt arch/x86/kernel/irq.c:249 [inline] common_interrupt+0x120/0x200 arch/x86/kernel/irq.c:239 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:620 native_restore_fl arch/x86/include/asm/irqflags.h:41 [inline] arch_local_irq_restore arch/x86/include/asm/irqflags.h:84 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x25/0x50 kernel/locking/spinlock.c:191 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] i8042_command+0x8b/0xb0 drivers/input/serio/i8042.c:352 i8042_aux_write+0xb1/0x100 drivers/input/serio/i8042.c:387 serio_write include/linux/serio.h:125 [inline] ps2_do_sendbyte+0x1f2/0x5a0 drivers/input/serio/libps2.c:40 ps2_sendbyte+0x53/0x140 drivers/input/serio/libps2.c:92 cypress_ps2_sendbyte+0x21/0x130 drivers/input/mouse/cypress_ps2.c:42 cypress_ps2_read_cmd_status drivers/input/mouse/cypress_ps2.c:116 [inline] cypress_send_ext_cmd+0x1ae/0x7b0 drivers/input/mouse/cypress_ps2.c:189 cypress_detect+0x6c/0x130 drivers/input/mouse/cypress_ps2.c:205 psmouse_do_detect drivers/input/mouse/psmouse-base.c:1009 [inline] psmouse_try_protocol+0x194/0x3a0 drivers/input/mouse/psmouse-base.c:1023 psmouse_extensions+0x3f8/0x680 drivers/input/mouse/psmouse-base.c:1146 psmouse_switch_protocol+0x4a2/0x690 drivers/input/mouse/psmouse-base.c:1542 psmouse_connect+0x57b/0xe70 drivers/input/mouse/psmouse-base.c:1632 serio_connect_driver drivers/input/serio/serio.c:47 [inline] serio_driver_probe+0x6d/0xa0 drivers/input/serio/serio.c:778 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 device_driver_attach+0x1da/0x240 drivers/base/dd.c:1015 __driver_attach+0xee/0x260 drivers/base/dd.c:1092 bus_for_each_dev+0x119/0x1a0 drivers/base/bus.c:305 serio_attach_driver drivers/input/serio/serio.c:808 [inline] serio_handle_event+0x48f/0x750 drivers/input/serio/serio.c:227 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 INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159 input_inject_event+0x6c/0x220 drivers/input/input.c:471 led_trigger_event drivers/leds/led-triggers.c:388 [inline] led_trigger_event+0x66/0xc0 drivers/leds/led-triggers.c:377 kbd_led_trigger_activate+0xb3/0xf0 drivers/tty/vt/keyboard.c:1017 led_trigger_set+0x5ae/0xbe0 drivers/leds/led-triggers.c:195 led_trigger_set_default drivers/leds/led-triggers.c:259 [inline] led_trigger_set_default+0x167/0x200 drivers/leds/led-triggers.c:246 led_classdev_register_ext+0x4d7/0x710 drivers/leds/led-class.c:417 led_classdev_register include/linux/leds.h:190 [inline] input_leds_connect+0x351/0x750 drivers/input/input-leds.c:139 input_attach_handler+0xfb/0x150 drivers/input/input.c:1035 input_register_device.cold+0xb7/0x29a drivers/input/input.c:2335 atkbd_connect+0x669/0x8e0 drivers/input/keyboard/atkbd.c:1293 serio_connect_driver drivers/input/serio/serio.c:47 [inline] serio_driver_probe+0x6d/0xa0 drivers/input/serio/serio.c:778 really_probe+0x1fd/0xc60 drivers/base/dd.c:554 driver_probe_device+0x1ed/0x380 drivers/base/dd.c:740 device_driver_attach+0x1da/0x240 drivers/base/dd.c:1015 __driver_attach+0xee/0x260 drivers/base/dd.c:1092 bus_for_each_dev+0x119/0x1a0 drivers/base/bus.c:305 serio_attach_driver drivers/input/serio/serio.c:808 [inline] serio_handle_event+0x48f/0x750 drivers/input/serio/serio.c:227 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 } ... key at: [] __key.8+0x0/0x40 ... acquired at: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] evdev_pass_values.part.0+0xef/0xb10 drivers/input/evdev.c:261 evdev_pass_values drivers/input/evdev.c:253 [inline] evdev_events+0x1d5/0x2f0 drivers/input/evdev.c:306 input_to_handler+0x23d/0x4a0 drivers/input/input.c:115 input_pass_values.part.0+0x1be/0x550 drivers/input/input.c:145 input_pass_values drivers/input/input.c:134 [inline] input_handle_event+0xc18/0x1160 drivers/input/input.c:404 input_inject_event+0x200/0x220 drivers/input/input.c:476 evdev_write+0x364/0x600 drivers/input/evdev.c:530 vfs_write+0x1c4/0x870 fs/read_write.c:603 ksys_write+0x171/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 -> (&client->buffer_lock){....}-{2:2} { INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] evdev_pass_values.part.0+0xef/0xb10 drivers/input/evdev.c:261 evdev_pass_values drivers/input/evdev.c:253 [inline] evdev_events+0x1d5/0x2f0 drivers/input/evdev.c:306 input_to_handler+0x23d/0x4a0 drivers/input/input.c:115 input_pass_values.part.0+0x1be/0x550 drivers/input/input.c:145 input_pass_values drivers/input/input.c:134 [inline] input_handle_event+0xc18/0x1160 drivers/input/input.c:404 input_inject_event+0x200/0x220 drivers/input/input.c:476 evdev_write+0x364/0x600 drivers/input/evdev.c:530 vfs_write+0x1c4/0x870 fs/read_write.c:603 ksys_write+0x171/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 } ... key at: [] __key.4+0x0/0x40 ... acquired at: __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223 kill_fasync_rcu fs/fcntl.c:1004 [inline] kill_fasync fs/fcntl.c:1025 [inline] kill_fasync+0xec/0x310 fs/fcntl.c:1018 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values.part.0+0x57b/0xb10 drivers/input/evdev.c:278 evdev_pass_values drivers/input/evdev.c:253 [inline] evdev_events+0x1d5/0x2f0 drivers/input/evdev.c:306 input_to_handler+0x23d/0x4a0 drivers/input/input.c:115 input_pass_values.part.0+0x1be/0x550 drivers/input/input.c:145 input_pass_values drivers/input/input.c:134 [inline] input_handle_event+0xc18/0x1160 drivers/input/input.c:404 input_inject_event+0x200/0x220 drivers/input/input.c:476 evdev_write+0x364/0x600 drivers/input/evdev.c:530 vfs_write+0x1c4/0x870 fs/read_write.c:603 ksys_write+0x171/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 -> (&new->fa_lock){....}-{2:2} { INITIAL READ USE at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223 kill_fasync_rcu fs/fcntl.c:1004 [inline] kill_fasync fs/fcntl.c:1025 [inline] kill_fasync+0xec/0x310 fs/fcntl.c:1018 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values.part.0+0x57b/0xb10 drivers/input/evdev.c:278 evdev_pass_values drivers/input/evdev.c:253 [inline] evdev_events+0x1d5/0x2f0 drivers/input/evdev.c:306 input_to_handler+0x23d/0x4a0 drivers/input/input.c:115 input_pass_values.part.0+0x1be/0x550 drivers/input/input.c:145 input_pass_values drivers/input/input.c:134 [inline] input_handle_event+0xc18/0x1160 drivers/input/input.c:404 input_inject_event+0x200/0x220 drivers/input/input.c:476 evdev_write+0x364/0x600 drivers/input/evdev.c:530 vfs_write+0x1c4/0x870 fs/read_write.c:603 ksys_write+0x171/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 } ... key at: [] __key.0+0x0/0x40 ... acquired at: __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline] _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:231 send_sigio+0x1c/0x2a0 fs/fcntl.c:787 kill_fasync_rcu fs/fcntl.c:1011 [inline] kill_fasync fs/fcntl.c:1025 [inline] kill_fasync+0x17a/0x310 fs/fcntl.c:1018 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values.part.0+0x57b/0xb10 drivers/input/evdev.c:278 evdev_pass_values drivers/input/evdev.c:253 [inline] evdev_events+0x1d5/0x2f0 drivers/input/evdev.c:306 input_to_handler+0x23d/0x4a0 drivers/input/input.c:115 input_pass_values.part.0+0x1be/0x550 drivers/input/input.c:145 input_pass_values drivers/input/input.c:134 [inline] input_handle_event+0xc18/0x1160 drivers/input/input.c:404 input_inject_event+0x200/0x220 drivers/input/input.c:476 evdev_write+0x364/0x600 drivers/input/evdev.c:530 vfs_write+0x1c4/0x870 fs/read_write.c:603 ksys_write+0x171/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 -> (&f->f_owner.lock){....}-{2:2} { INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline] _raw_write_lock_irq+0x32/0x50 kernel/locking/spinlock.c:311 f_modown+0x23/0x320 fs/fcntl.c:90 __f_setown fs/fcntl.c:109 [inline] f_setown+0x8b/0x160 fs/fcntl.c:137 do_fcntl+0x5a7/0xcd0 fs/fcntl.c:384 __do_sys_fcntl fs/fcntl.c:463 [inline] __se_sys_fcntl fs/fcntl.c:448 [inline] __x64_sys_fcntl+0x11a/0x160 fs/fcntl.c:448 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 INITIAL READ USE at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:159 [inline] _raw_read_lock_irqsave+0x70/0x90 kernel/locking/spinlock.c:231 send_sigio+0x1c/0x2a0 fs/fcntl.c:787 kill_fasync_rcu fs/fcntl.c:1011 [inline] kill_fasync fs/fcntl.c:1025 [inline] kill_fasync+0x17a/0x310 fs/fcntl.c:1018 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values.part.0+0x57b/0xb10 drivers/input/evdev.c:278 evdev_pass_values drivers/input/evdev.c:253 [inline] evdev_events+0x1d5/0x2f0 drivers/input/evdev.c:306 input_to_handler+0x23d/0x4a0 drivers/input/input.c:115 input_pass_values.part.0+0x1be/0x550 drivers/input/input.c:145 input_pass_values drivers/input/input.c:134 [inline] input_handle_event+0xc18/0x1160 drivers/input/input.c:404 input_inject_event+0x200/0x220 drivers/input/input.c:476 evdev_write+0x364/0x600 drivers/input/evdev.c:530 vfs_write+0x1c4/0x870 fs/read_write.c:603 ksys_write+0x171/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 } ... key at: [] __key.5+0x0/0x40 ... acquired at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223 send_sigio+0x8c/0x2a0 fs/fcntl.c:801 kill_fasync_rcu fs/fcntl.c:1011 [inline] kill_fasync fs/fcntl.c:1025 [inline] kill_fasync+0x17a/0x310 fs/fcntl.c:1018 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values.part.0+0x57b/0xb10 drivers/input/evdev.c:278 evdev_pass_values drivers/input/evdev.c:253 [inline] evdev_events+0x1d5/0x2f0 drivers/input/evdev.c:306 input_to_handler+0x23d/0x4a0 drivers/input/input.c:115 input_pass_values.part.0+0x1be/0x550 drivers/input/input.c:145 input_pass_values drivers/input/input.c:134 [inline] input_handle_event+0xc18/0x1160 drivers/input/input.c:404 input_inject_event+0x200/0x220 drivers/input/input.c:476 evdev_write+0x364/0x600 drivers/input/evdev.c:530 vfs_write+0x1c4/0x870 fs/read_write.c:603 ksys_write+0x171/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (tasklist_lock){.+.+}-{2:2} { HARDIRQ-ON-R at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223 do_wait+0x28f/0x840 kernel/exit.c:1465 kernel_wait+0x97/0x130 kernel/exit.c:1647 call_usermodehelper_exec_sync kernel/umh.c:137 [inline] call_usermodehelper_exec_work+0xbb/0x140 kernel/umh.c:164 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 SOFTIRQ-ON-R at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223 do_wait+0x28f/0x840 kernel/exit.c:1465 kernel_wait+0x97/0x130 kernel/exit.c:1647 call_usermodehelper_exec_sync kernel/umh.c:137 [inline] call_usermodehelper_exec_work+0xbb/0x140 kernel/umh.c:164 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 INITIAL USE at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_write_lock_irq include/linux/rwlock_api_smp.h:196 [inline] _raw_write_lock_irq+0x32/0x50 kernel/locking/spinlock.c:311 copy_process+0x2ebe/0x6770 kernel/fork.c:2216 kernel_clone+0xb8/0x7f0 kernel/fork.c:2462 kernel_thread+0xa3/0xe0 kernel/fork.c:2514 rest_init+0x1e/0x298 init/main.c:686 start_kernel+0x330/0x34d init/main.c:1061 secondary_startup_64_no_verify+0xb0/0xbb INITIAL READ USE at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223 do_wait+0x28f/0x840 kernel/exit.c:1465 kernel_wait+0x97/0x130 kernel/exit.c:1647 call_usermodehelper_exec_sync kernel/umh.c:137 [inline] call_usermodehelper_exec_work+0xbb/0x140 kernel/umh.c:164 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 } ... key at: [] tasklist_lock+0x18/0x40 ... acquired at: lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223 send_sigio+0x8c/0x2a0 fs/fcntl.c:801 kill_fasync_rcu fs/fcntl.c:1011 [inline] kill_fasync fs/fcntl.c:1025 [inline] kill_fasync+0x17a/0x310 fs/fcntl.c:1018 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values.part.0+0x57b/0xb10 drivers/input/evdev.c:278 evdev_pass_values drivers/input/evdev.c:253 [inline] evdev_events+0x1d5/0x2f0 drivers/input/evdev.c:306 input_to_handler+0x23d/0x4a0 drivers/input/input.c:115 input_pass_values.part.0+0x1be/0x550 drivers/input/input.c:145 input_pass_values drivers/input/input.c:134 [inline] input_handle_event+0xc18/0x1160 drivers/input/input.c:404 input_inject_event+0x200/0x220 drivers/input/input.c:476 evdev_write+0x364/0x600 drivers/input/evdev.c:530 vfs_write+0x1c4/0x870 fs/read_write.c:603 ksys_write+0x171/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 stack backtrace: CPU: 0 PID: 5915 Comm: syz-executor993 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x9a/0xcc lib/dump_stack.c:120 print_bad_irq_dependency kernel/locking/lockdep.c:2452 [inline] check_irq_usage.cold+0x50d/0x744 kernel/locking/lockdep.c:2681 check_prev_add kernel/locking/lockdep.c:2872 [inline] check_prevs_add kernel/locking/lockdep.c:2993 [inline] validate_chain kernel/locking/lockdep.c:3608 [inline] __lock_acquire+0x2b51/0x57d0 kernel/locking/lockdep.c:4832 lock_acquire kernel/locking/lockdep.c:5442 [inline] lock_acquire+0x1a8/0x720 kernel/locking/lockdep.c:5407 __raw_read_lock include/linux/rwlock_api_smp.h:149 [inline] _raw_read_lock+0x5b/0x70 kernel/locking/spinlock.c:223 send_sigio+0x8c/0x2a0 fs/fcntl.c:801 kill_fasync_rcu fs/fcntl.c:1011 [inline] kill_fasync fs/fcntl.c:1025 [inline] kill_fasync+0x17a/0x310 fs/fcntl.c:1018 __pass_event drivers/input/evdev.c:240 [inline] evdev_pass_values.part.0+0x57b/0xb10 drivers/input/evdev.c:278 evdev_pass_values drivers/input/evdev.c:253 [inline] evdev_events+0x1d5/0x2f0 drivers/input/evdev.c:306 input_to_handler+0x23d/0x4a0 drivers/input/input.c:115 input_pass_values.part.0+0x1be/0x550 drivers/input/input.c:145 input_pass_values drivers/input/input.c:134 [inline] input_handle_event+0xc18/0x1160 drivers/input/input.c:404 input_inject_event+0x200/0x220 drivers/input/input.c:476 evdev_write+0x364/0x600 drivers/input/evdev.c:530 vfs_write+0x1c4/0x870 fs/read_write.c:603 ksys_write+0x171/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f1608270339 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f160821a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f16082f44c0 RCX: 00007f1608270339 RDX: 0000000000003888 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007f16082c107c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200012a8 R13: f36140dfc32eddd6 R14: 0030656c69662f2e R15: 00007f16082f44c8