bisecting cause commit starting from 994e99a96c9b502b3f6ee411457007cd52051cf5 building syzkaller on f3bec699b60e09e7428029b500ac2ef9b6fde4d1 testing commit 994e99a96c9b502b3f6ee411457007cd52051cf5 with gcc (GCC) 8.1.0 kernel signature: 11185e7166d3ed4c2c3473f22b5509faa7ea28643b30856a318be3f7d686750e run #0: crashed: kernel BUG at net/core/dev.c:LINE! run #1: crashed: kernel BUG at net/core/dev.c:LINE! run #2: crashed: kernel BUG at net/core/dev.c:LINE! run #3: crashed: kernel BUG at net/core/dev.c:LINE! run #4: crashed: kernel BUG at net/core/dev.c:LINE! run #5: crashed: kernel BUG at net/core/dev.c:LINE! run #6: crashed: kernel BUG at net/core/dev.c:LINE! run #7: crashed: kernel BUG at net/core/dev.c:LINE! run #8: crashed: kernel BUG at net/core/dev.c:LINE! run #9: boot failed: can't ssh into the instance testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: e023b8e63cc0bab3c231df102cde668c453d6a46d253e657dd59d85440831f2b 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor217351915" "root@10.128.15.208:./syz-executor217351915"]: exit status 1 Warning: Permanently added '10.128.15.208' (ECDSA) to the list of known hosts. scp: ./syz-executor217351915: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor666577328" "root@10.128.0.109:./syz-executor666577328"]: exit status 1 Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. scp: ./syz-executor666577328: No space left on device run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect start 994e99a96c9b502b3f6ee411457007cd52051cf5 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 Bisecting: 8260 revisions left to test after this (roughly 13 steps) [631d6914085b4eea8d68a84f800974a6ad8fb5c0] Merge tag 'sound-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 631d6914085b4eea8d68a84f800974a6ad8fb5c0 with gcc (GCC) 8.1.0 kernel signature: 6377a7f846b5b8dc0000cc39ceb4f975c68d27fcccbc0e929ab5069d1298d9a9 run #0: crashed: kernel BUG at net/core/dev.c:LINE! run #1: crashed: kernel BUG at net/core/dev.c:LINE! run #2: crashed: kernel BUG at net/core/dev.c:LINE! run #3: crashed: kernel BUG at net/core/dev.c:LINE! run #4: crashed: kernel BUG at net/core/dev.c:LINE! 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor981323041" "root@10.128.10.62:./syz-executor981323041"]: exit status 1 Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. scp: ./syz-executor981323041: No space left on device run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 631d6914085b4eea8d68a84f800974a6ad8fb5c0 Bisecting: 4352 revisions left to test after this (roughly 12 steps) [6b2591c21273ebf65c13dae5d260ce88f0f197dd] Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux testing commit 6b2591c21273ebf65c13dae5d260ce88f0f197dd with gcc (GCC) 8.1.0 kernel signature: 2af9b77a51e74f198654da20ec5386c1ded5f4483d094a2d84fae9e7677ce348 run #0: crashed: kernel BUG at net/core/dev.c:LINE! 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor517841759" "root@10.128.15.209:./syz-executor517841759"]: exit status 1 Warning: Permanently added '10.128.15.209' (ECDSA) to the list of known hosts. scp: ./syz-executor517841759: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor457435621" "root@10.128.15.206:./syz-executor457435621"]: exit status 1 Connection timed out during banner exchange lost connection 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor886930665" "root@10.128.10.14:./syz-executor886930665"]: exit status 1 Warning: Permanently added '10.128.10.14' (ECDSA) to the list of known hosts. scp: ./syz-executor886930665: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor955203378" "root@10.128.0.135:./syz-executor955203378"]: exit status 1 Connection timed out during banner exchange lost connection run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 6b2591c21273ebf65c13dae5d260ce88f0f197dd Bisecting: 2376 revisions left to test after this (roughly 11 steps) [cfa3b8068b09f25037146bfd5eed041b78878bee] Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma testing commit cfa3b8068b09f25037146bfd5eed041b78878bee with gcc (GCC) 8.1.0 kernel signature: be586cfa27e15a5efbbabab229e78d77fb8f4a6ab6d68e17e89bb232546b7e71 run #0: crashed: kernel BUG at net/core/dev.c:LINE! run #1: crashed: kernel BUG at net/core/dev.c:LINE! 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor847300141" "root@10.128.1.58:./syz-executor847300141"]: exit status 1 Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts. scp: ./syz-executor847300141: No space left on device run #3: crashed: kernel BUG at net/core/dev.c:LINE! 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor679363866" "root@10.128.15.197:./syz-executor679363866"]: exit status 1 Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. scp: ./syz-executor679363866: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor717095857" "root@10.128.1.40:./syz-executor717095857"]: exit status 1 Warning: Permanently added '10.128.1.40' (ECDSA) to the list of known hosts. scp: ./syz-executor717095857: No space left on device run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad cfa3b8068b09f25037146bfd5eed041b78878bee Bisecting: 885 revisions left to test after this (roughly 10 steps) [17e0a7cb6a254c6d086562e7adf8b7ac24d267f3] Merge tag 'x86-cleanups-2020-06-01' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 17e0a7cb6a254c6d086562e7adf8b7ac24d267f3 with gcc (GCC) 8.1.0 kernel signature: b4210b76ebdca300863ebe96eddb93675ceb1588c7dc73d440c579cc487ad5db 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor838076496" "root@10.128.15.200:./syz-executor838076496"]: exit status 1 Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts. scp: ./syz-executor838076496: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor528217461" "root@10.128.15.199:./syz-executor528217461"]: exit status 1 Connection timed out during banner exchange lost connection 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor125517314" "root@10.128.15.202:./syz-executor125517314"]: exit status 1 Warning: Permanently added '10.128.15.202' (ECDSA) to the list of known hosts. scp: ./syz-executor125517314: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor702128147" "root@10.128.15.193:./syz-executor702128147"]: exit status 1 Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. scp: ./syz-executor702128147: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor561440854" "root@10.128.0.14:./syz-executor561440854"]: exit status 1 Warning: Permanently added '10.128.0.14' (ECDSA) to the list of known hosts. scp: ./syz-executor561440854: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor007406525" "root@10.128.15.197:./syz-executor007406525"]: exit status 1 Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. scp: ./syz-executor007406525: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor803790328" "root@10.128.15.198:./syz-executor803790328"]: exit status 1 Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. scp: ./syz-executor803790328: No space left on device run #7: OK run #8: OK run #9: OK # git bisect skip 17e0a7cb6a254c6d086562e7adf8b7ac24d267f3 Bisecting: 885 revisions left to test after this (roughly 10 steps) [10d7ff74b6f2d5e5b38d752a683225c944dd3da9] platform/x86: asus-wmi: Ignore WMI events with code 0x79 testing commit 10d7ff74b6f2d5e5b38d752a683225c944dd3da9 with gcc (GCC) 8.1.0 kernel signature: 9b7e5ebccd15212b9a706a37f42e7736517f5680d8b657fc9cf07f9c5c6bbde0 run #0: crashed: kernel BUG at net/core/dev.c:LINE! 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor699249312" "root@10.128.1.49:./syz-executor699249312"]: exit status 1 Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts. scp: ./syz-executor699249312: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor657829403" "root@10.128.15.197:./syz-executor657829403"]: exit status 1 Connection timed out during banner exchange lost connection 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor955584773" "root@10.128.0.132:./syz-executor955584773"]: exit status 1 Connection timed out during banner exchange lost connection 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor226148735" "root@10.128.0.168:./syz-executor226148735"]: exit status 1 Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. scp: ./syz-executor226148735: No space left on device run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 10d7ff74b6f2d5e5b38d752a683225c944dd3da9 Bisecting: 33 revisions left to test after this (roughly 5 steps) [4a65ed6562bcfa58fe0c2ca5855c45268f40d365] Merge branch 'ib-mfd-x86-usb-watchdog-v5.7' testing commit 4a65ed6562bcfa58fe0c2ca5855c45268f40d365 with gcc (GCC) 8.1.0 kernel signature: 5b3e80049972a539c8b6d2e8fbe7e5f27c23b48348c23398f7b8fc346dfc571c run #0: crashed: kernel BUG at net/core/dev.c:LINE! 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor143278118" "root@10.128.15.201:./syz-executor143278118"]: exit status 1 Warning: Permanently added '10.128.15.201' (ECDSA) to the list of known hosts. scp: ./syz-executor143278118: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor901350472" "root@10.128.15.198:./syz-executor901350472"]: exit status 1 Connection timed out during banner exchange lost connection 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor373072892" "root@10.128.0.190:./syz-executor373072892"]: exit status 1 Connection timed out during banner exchange lost connection run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 4a65ed6562bcfa58fe0c2ca5855c45268f40d365 Bisecting: 17 revisions left to test after this (roughly 4 steps) [0759a8730c7070299556af8dddeecce90955c8ae] platform/x86: intel_telemetry: Add telemetry_get_pltdata() testing commit 0759a8730c7070299556af8dddeecce90955c8ae with gcc (GCC) 8.1.0 kernel signature: 6dc923de3de98e4bd0a6419455f0ff2fe86b9a046a3fb488b0df90f551aad803 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor539396514" "root@10.128.15.196:./syz-executor539396514"]: exit status 1 Warning: Permanently added '10.128.15.196' (ECDSA) to the list of known hosts. scp: ./syz-executor539396514: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor333977078" "root@10.128.15.198:./syz-executor333977078"]: exit status 1 Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. scp: ./syz-executor333977078: No space left on device run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good 0759a8730c7070299556af8dddeecce90955c8ae Bisecting: 8 revisions left to test after this (roughly 3 steps) [f7ea285b6266822bd63af2a3695f03e3357fd74f] Merge branch 'ib-pdx86-properties' testing commit f7ea285b6266822bd63af2a3695f03e3357fd74f with gcc (GCC) 8.1.0 kernel signature: cee8a6f78712016517ee463d89552566815bed673cfd538ebf0e1ff8ecd1c3c5 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor230953292" "root@10.128.10.59:./syz-executor230953292"]: exit status 1 Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts. scp: ./syz-executor230953292: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor299654538" "root@10.128.15.198:./syz-executor299654538"]: exit status 1 Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. scp: ./syz-executor299654538: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor074396709" "root@10.128.10.11:./syz-executor074396709"]: exit status 1 Warning: Permanently added '10.128.10.11' (ECDSA) to the list of known hosts. scp: ./syz-executor074396709: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor977214066" "root@10.128.15.208:./syz-executor977214066"]: exit status 1 Warning: Permanently added '10.128.15.208' (ECDSA) to the list of known hosts. scp: ./syz-executor977214066: No space left on device run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good f7ea285b6266822bd63af2a3695f03e3357fd74f Bisecting: 4 revisions left to test after this (roughly 2 steps) [295615f5e5a56558bb1502f4fefad5569ec1209c] platform/x86: touchscreen_dmi: Add info for the ONDA V891 v5 tablet testing commit 295615f5e5a56558bb1502f4fefad5569ec1209c with gcc (GCC) 8.1.0 kernel signature: 34376e44f733c094d9aea72141c3decca03fca19d2f2f349263adac6571958c8 run #0: crashed: kernel BUG at net/core/dev.c:LINE! 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor971982452" "root@10.128.15.203:./syz-executor971982452"]: exit status 1 Warning: Permanently added '10.128.15.203' (ECDSA) to the list of known hosts. scp: ./syz-executor971982452: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor849449628" "root@10.128.15.205:./syz-executor849449628"]: exit status 1 Warning: Permanently added '10.128.15.205' (ECDSA) to the list of known hosts. scp: ./syz-executor849449628: No space left on device run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 295615f5e5a56558bb1502f4fefad5569ec1209c Bisecting: 1 revision left to test after this (roughly 1 step) [6701cc8f70710826a4de69cbb1f66c52db2c36ac] platform/x86: wmi: Fix indentation in some cases testing commit 6701cc8f70710826a4de69cbb1f66c52db2c36ac with gcc (GCC) 8.1.0 kernel signature: 9c31136e777c491d5450cb45357c255c9c61a75619382a174b39b4941480e7c5 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor951305104" "root@10.128.15.197:./syz-executor951305104"]: exit status 1 Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. scp: ./syz-executor951305104: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor670671918" "root@10.128.1.35:./syz-executor670671918"]: exit status 1 Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts. scp: ./syz-executor670671918: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor513017775" "root@10.128.0.168:./syz-executor513017775"]: exit status 1 Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. scp: ./syz-executor513017775: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor233078082" "root@10.128.0.110:./syz-executor233078082"]: exit status 1 Connection timed out during banner exchange lost connection run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good 6701cc8f70710826a4de69cbb1f66c52db2c36ac Bisecting: 0 revisions left to test after this (roughly 0 steps) [5a707af10da95a53a55011a612e69063491020d4] platform/x86: wmi: Describe function parameters testing commit 5a707af10da95a53a55011a612e69063491020d4 with gcc (GCC) 8.1.0 kernel signature: d0f53f88558f48b0ab02da4d8498b7d84dba96fa65ddfcbd811b440b294c72ca run #0: crashed: kernel BUG at net/core/dev.c:LINE! run #1: crashed: kernel BUG at net/core/dev.c:LINE! 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor552390442" "root@10.128.1.44:./syz-executor552390442"]: exit status 1 Warning: Permanently added '10.128.1.44' (ECDSA) to the list of known hosts. scp: ./syz-executor552390442: No space left on device 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/tmp/syz-executor305868798" "root@10.128.15.203:./syz-executor305868798"]: exit status 1 Warning: Permanently added '10.128.15.203' (ECDSA) to the list of known hosts. scp: ./syz-executor305868798: No space left on device run #4: boot failed: can't ssh into the instance run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 5a707af10da95a53a55011a612e69063491020d4 5a707af10da95a53a55011a612e69063491020d4 is the first bad commit commit 5a707af10da95a53a55011a612e69063491020d4 Author: Andy Shevchenko Date: Fri Apr 21 16:36:06 2017 +0300 platform/x86: wmi: Describe function parameters There are few parameters that are not described properly. Fill the gap by describing them properly in kernel doc format. Signed-off-by: Andy Shevchenko drivers/platform/x86/wmi.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) culprit signature: d0f53f88558f48b0ab02da4d8498b7d84dba96fa65ddfcbd811b440b294c72ca parent signature: 9c31136e777c491d5450cb45357c255c9c61a75619382a174b39b4941480e7c5 revisions tested: 13, total time: 3h48m28.521531234s (build: 1h21m43.051413067s, test: 2h24m54.146643438s) first bad commit: 5a707af10da95a53a55011a612e69063491020d4 platform/x86: wmi: Describe function parameters cc: ["andriy.shevchenko@linux.intel.com" "andy@infradead.org" "arnd@arndb.de" "dvhart@infradead.org" "gregkh@linuxfoundation.org" "linux-kernel@vger.kernel.org" "peterz@infradead.org" "platform-driver-x86@vger.kernel.org" "skunberg.kelsey@gmail.com" "tglx@linutronix.de"] crash: kernel BUG at net/core/dev.c:LINE! bond1 (unregistering): (slave wireguard2): Releasing backup interface bond1 (unregistering): (slave wireguard1): Releasing backup interface bond1 (unregistering): (slave wireguard0): Releasing backup interface device wireguard0 left promiscuous mode bond1 (unregistering): Destroying bond ------------[ cut here ]------------ kernel BUG at net/core/dev.c:8799! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.7.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:rollback_registered_many+0x267/0xd10 net/core/dev.c:8799 Code: ad de 48 89 42 68 4c 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 51 09 00 00 48 b8 22 01 00 00 00 00 ad de 48 89 42 70 e9 e8 fe ff ff <0f> 0b 49 8b 04 24 48 8d 58 98 49 39 c4 0f 84 9c 00 00 00 4d 8b b5 RSP: 0018:ffffc90000cdf750 EFLAGS: 00010202 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 1ffff1101388000d RDX: ffff88809c400000 RSI: 0000000000000008 RDI: ffff88809c400581 RBP: ffffc90000cdf7b0 R08: 0000000000000001 R09: fffffbfff1320c65 R10: ffffffff89906327 R11: fffffbfff1320c64 R12: ffffc90000cdf8e8 R13: ffffc90000cdf890 R14: ffffc90000cdf880 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa609dc3000 CR3: 000000009253e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rollback_registered+0xcc/0x180 net/core/dev.c:8873 unregister_netdevice_queue+0x17e/0x230 net/core/dev.c:9969 unregister_netdevice include/linux/netdevice.h:2725 [inline] bond_release_and_destroy drivers/net/bonding/bond_main.c:2091 [inline] bond_slave_netdev_event drivers/net/bonding/bond_main.c:3164 [inline] bond_netdev_event.cold.92+0xbb/0x110 drivers/net/bonding/bond_main.c:3277 notifier_call_chain+0x86/0x150 kernel/notifier.c:83 call_netdevice_notifiers_extack net/core/dev.c:1960 [inline] call_netdevice_notifiers net/core/dev.c:1974 [inline] rollback_registered_many+0x623/0xd10 net/core/dev.c:8828 unregister_netdevice_many+0x39/0x1f0 net/core/dev.c:9988 default_device_exit_batch+0x2d3/0x3b0 net/core/dev.c:10471 cleanup_net+0x45f/0x910 net/core/net_namespace.c:603 process_one_work+0x908/0x15d0 kernel/workqueue.c:2268 worker_thread+0x82/0xb50 kernel/workqueue.c:2414 kthread+0x340/0x410 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace b31211f32cd66683 ]--- RIP: 0010:rollback_registered_many+0x267/0xd10 net/core/dev.c:8799 Code: ad de 48 89 42 68 4c 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 51 09 00 00 48 b8 22 01 00 00 00 00 ad de 48 89 42 70 e9 e8 fe ff ff <0f> 0b 49 8b 04 24 48 8d 58 98 49 39 c4 0f 84 9c 00 00 00 4d 8b b5 RSP: 0018:ffffc90000cdf750 EFLAGS: 00010202 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 1ffff1101388000d RDX: ffff88809c400000 RSI: 0000000000000008 RDI: ffff88809c400581 RBP: ffffc90000cdf7b0 R08: 0000000000000001 R09: fffffbfff1320c65 R10: ffffffff89906327 R11: fffffbfff1320c64 R12: ffffc90000cdf8e8 R13: ffffc90000cdf890 R14: ffffc90000cdf880 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa609dc8000 CR3: 000000009253e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400