bisecting cause commit starting from da94001239cceb93c132a31928d6ddc4214862d5 building syzkaller on 2f661ec405cb3975128e9851c7a5979d92d001f1 testing commit da94001239cceb93c132a31928d6ddc4214862d5 with gcc (GCC) 8.1.0 all runs: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 all runs: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 all runs: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 all runs: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 run #0: crashed: WARNING in corrupted run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in corrupted run #2: crashed: WARNING in corrupted run #3: crashed: WARNING in corrupted run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in process_one_work run #8: crashed: WARNING in corrupted run #9: crashed: WARNING in corrupted testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 run #0: crashed: WARNING in process_one_work run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in corrupted run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in corrupted run #4: crashed: WARNING in corrupted run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in process_one_work testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 run #0: crashed: WARNING in corrupted run #1: crashed: WARNING in corrupted run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in corrupted run #4: crashed: WARNING in process_one_work run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in corrupted run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in process_one_work testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 run #0: crashed: WARNING in corrupted run #1: crashed: WARNING in corrupted run #2: crashed: WARNING in process_one_work run #3: crashed: WARNING in process_one_work run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in process_one_work run #3: crashed: WARNING in corrupted run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: WARNING in corrupted run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: general protection fault in batadv_iv_ogm_queue_add testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: WARNING in process_one_work run #8: OK run #9: OK testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 all runs: OK # git bisect start v4.14 v4.13 Bisecting: 7300 revisions left to test after this (roughly 13 steps) [15d8ffc96464f6571ecf22043c45fad659f11bdd] Merge tag 'mmc-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc testing commit 15d8ffc96464f6571ecf22043c45fad659f11bdd with gcc (GCC) 8.1.0 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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.15.201:./repro.prog"]: exit status 1 ssh: connect to host 10.128.15.201 port 22: Connection timed out lost connection 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-executor390433574" "root@10.128.15.194:./syz-executor390433574"]: exit status 1 ssh: connect to host 10.128.15.194 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.0.241:./repro.prog"] Warning: Permanently added '10.128.0.241' (ECDSA) to the list of known hosts. run #3: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.200:./syz-executor"] run #4: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.202:./syz-executor"] Warning: Permanently added '10.128.15.202' (ECDSA) to the list of known hosts. run #5: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.198:./syz-executor"] Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. run #6: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.203:./syz-executor"] Warning: Permanently added '10.128.15.203' (ECDSA) to the list of known hosts. run #7: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.1.19:./syz-executor"] Warning: Permanently added '10.128.1.19' (ECDSA) to the list of known hosts. run #8: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.0.246:./syz-executor"] Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. run #9: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.197:./syz-executor"] Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. # git bisect skip 15d8ffc96464f6571ecf22043c45fad659f11bdd Bisecting: 7300 revisions left to test after this (roughly 13 steps) [ace743214ea205c7d433562c5fa24e33bdfda7ab] net/mlx5e: Fix erroneous freeing of encap header buffer testing commit ace743214ea205c7d433562c5fa24e33bdfda7ab with gcc (GCC) 8.1.0 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in corrupted run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in corrupted run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: WARNING in corrupted run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in corrupted # git bisect bad ace743214ea205c7d433562c5fa24e33bdfda7ab Bisecting: 6370 revisions left to test after this (roughly 13 steps) [aae3dbb4776e7916b6cd442d00159bea27a695c1] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next testing commit aae3dbb4776e7916b6cd442d00159bea27a695c1 with gcc (GCC) 8.1.0 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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.0.208:./repro.prog"]: exit status 1 ssh: connect to host 10.128.0.208 port 22: Connection timed out lost connection 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-executor647971770" "root@10.128.0.226:./syz-executor647971770"]: exit status 1 ssh: connect to host 10.128.0.226 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.211:./syz-executor"] Warning: Permanently added '10.128.15.211' (ECDSA) to the list of known hosts. run #3: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.0.12:./syz-executor"] Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. run #4: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.1.36:./syz-executor"] Warning: Permanently added '10.128.1.36' (ECDSA) to the list of known hosts. run #5: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.209:./syz-executor"] Warning: Permanently added '10.128.15.209' (ECDSA) to the list of known hosts. run #6: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.220:./syz-executor"] Warning: Permanently added '10.128.15.220' (ECDSA) to the list of known hosts. run #7: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.210:./syz-execprog"] Warning: Permanently added '10.128.0.210' (ECDSA) to the list of known hosts. run #8: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.217:./syz-executor"] Warning: Permanently added '10.128.15.217' (ECDSA) to the list of known hosts. run #9: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.0.145:./syz-executor"] Warning: Permanently added '10.128.0.145' (ECDSA) to the list of known hosts. # git bisect skip aae3dbb4776e7916b6cd442d00159bea27a695c1 Bisecting: 6370 revisions left to test after this (roughly 13 steps) [f5808ac158f2b16b686a3d3c0879c5d6048aba14] leds: gpio: Allow LED to retain state at shutdown testing commit f5808ac158f2b16b686a3d3c0879c5d6048aba14 with gcc (GCC) 8.1.0 all runs: OK # git bisect good f5808ac158f2b16b686a3d3c0879c5d6048aba14 Bisecting: 6353 revisions left to test after this (roughly 13 steps) [da4c3c735ea4dcc2a0b0ff0bd4803c336361b6f5] mm/hmm/mirror: helper to snapshot CPU page table testing commit da4c3c735ea4dcc2a0b0ff0bd4803c336361b6f5 with gcc (GCC) 8.1.0 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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.10.63:./repro.prog"]: exit status 1 ssh: connect to host 10.128.10.63 port 22: Connection timed out lost connection 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-executor999300061" "root@10.128.15.219:./syz-executor999300061"]: exit status 1 ssh: connect to host 10.128.15.219 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.222:./syz-executor"] Warning: Permanently added '10.128.15.222' (ECDSA) to the list of known hosts. run #3: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.0.14:./syz-executor"] Warning: Permanently added '10.128.0.14' (ECDSA) to the list of known hosts. run #4: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.10.43:./syz-executor"] Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts. run #5: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.215:./syz-executor"] Warning: Permanently added '10.128.15.215' (ECDSA) to the list of known hosts. run #6: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.226:./syz-executor"] Warning: Permanently added '10.128.15.226' (ECDSA) to the list of known hosts. run #7: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.228:./syz-executor"] Warning: Permanently added '10.128.15.228' (ECDSA) to the list of known hosts. run #8: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.223:./syz-executor"] run #9: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.225:./syz-executor"] Warning: Permanently added '10.128.15.225' (ECDSA) to the list of known hosts. # git bisect skip da4c3c735ea4dcc2a0b0ff0bd4803c336361b6f5 Bisecting: 6353 revisions left to test after this (roughly 13 steps) [fe556cd86774388a82bc1ab1e2e3818ca87dd4d4] MIPS: lantiq: remove old USB PHY initialisation testing commit fe556cd86774388a82bc1ab1e2e3818ca87dd4d4 with gcc (GCC) 8.1.0 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-executor042913418" "root@10.128.0.129:./syz-executor042913418"]: exit status 1 ssh: connect to host 10.128.0.129 port 22: Connection timed out lost connection 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-executor906236786" "root@10.128.10.33:./syz-executor906236786"]: exit status 1 ssh: connect to host 10.128.10.33 port 22: Connection timed out lost connection 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 fe556cd86774388a82bc1ab1e2e3818ca87dd4d4 Bisecting: 6212 revisions left to test after this (roughly 13 steps) [a1f2a82072ea298ae91505c213f6d299ddb5e446] watchdog: da9063_wdt: Simplify by removing unneeded struct... testing commit a1f2a82072ea298ae91505c213f6d299ddb5e446 with gcc (GCC) 8.1.0 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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.10.57:./repro.prog"]: exit status 1 ssh: connect to host 10.128.10.57 port 22: Connection timed out lost connection 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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.10.51:./repro.prog"]: exit status 1 Connection timed out during banner exchange lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.10.56:./syz-executor"] Warning: Permanently added '10.128.10.56' (ECDSA) to the list of known hosts. run #3: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.10.61:./syz-executor"] run #4: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.10.59:./syz-executor"] Warning: Permanently added '10.128.10.59' (ECDSA) to the list of known hosts. run #5: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.193:./syz-executor"] Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. run #6: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.10.55:./syz-executor"] Warning: Permanently added '10.128.10.55' (ECDSA) to the list of known hosts. run #7: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.196:./syz-executor"] Warning: Permanently added '10.128.15.196' (ECDSA) to the list of known hosts. run #8: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.10.39:./repro.prog"] run #9: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.198:./syz-executor"] Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. # git bisect skip a1f2a82072ea298ae91505c213f6d299ddb5e446 Bisecting: 6212 revisions left to test after this (roughly 13 steps) [f2fe445986c8c53d2c324062f2e2c34263cd79a1] skd: Avoid double completions in case of a timeout testing commit f2fe445986c8c53d2c324062f2e2c34263cd79a1 with gcc (GCC) 8.1.0 all runs: OK # git bisect good f2fe445986c8c53d2c324062f2e2c34263cd79a1 Bisecting: 6100 revisions left to test after this (roughly 13 steps) [9d4ac934829ac58c5109c49e6dfe677300e5e652] userfaultfd: provide pid in userfault msg testing commit 9d4ac934829ac58c5109c49e6dfe677300e5e652 with gcc (GCC) 8.1.0 all runs: OK # git bisect good 9d4ac934829ac58c5109c49e6dfe677300e5e652 Bisecting: 4005 revisions left to test after this (roughly 12 steps) [c0da4fa0d1a54495d6055c009ac46b76d1da2c86] Merge tag 'media/v4.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit c0da4fa0d1a54495d6055c009ac46b76d1da2c86 with gcc (GCC) 8.1.0 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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.10.61:./repro.prog"]: exit status 1 ssh: connect to host 10.128.10.61 port 22: Connection timed out lost connection 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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.0.46:./repro.prog"]: exit status 1 ssh: connect to host 10.128.0.46 port 22: Connection timed out lost connection run #2: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.0.246:./syz-executor"] Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts. run #3: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.0.215:./syz-executor"] Warning: Permanently added '10.128.0.215' (ECDSA) to the list of known hosts. run #4: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/workdir/repro.prog" "root@10.128.10.60:./repro.prog"] Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts. run #5: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.0.172:./syz-executor"] run #6: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.10.62:./syz-executor"] Warning: Permanently added '10.128.10.62' (ECDSA) to the list of known hosts. run #7: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.15.192:./syz-executor"] Warning: Permanently added '10.128.15.192' (ECDSA) to the list of known hosts. run #8: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.10.57:./syz-executor"] Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. run #9: basic kernel testing failed: failed to copy test binary to VM: timedout ["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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-executor" "root@10.128.10.63:./syz-executor"] Warning: Permanently added '10.128.10.63' (ECDSA) to the list of known hosts. # git bisect skip c0da4fa0d1a54495d6055c009ac46b76d1da2c86 Bisecting: 4005 revisions left to test after this (roughly 12 steps) [822c3b044f7fbecc9894fcd3d19fc2ad51232fdb] ASoC: Intel: Skylake: Add driver structures to be filled from topology manifest testing commit 822c3b044f7fbecc9894fcd3d19fc2ad51232fdb with gcc (GCC) 8.1.0 all runs: OK # git bisect good 822c3b044f7fbecc9894fcd3d19fc2ad51232fdb Bisecting: 4005 revisions left to test after this (roughly 12 steps) [4560cb4a0c9969260356b0ac9473c45bb1c1101d] media: imx: add VIDEO_V4L2_SUBDEV_API dependency testing commit 4560cb4a0c9969260356b0ac9473c45bb1c1101d with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted 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-executor679295624" "root@10.128.1.54:./syz-executor679295624"]: exit status 1 ssh: connect to host 10.128.1.54 port 22: Connection timed out lost connection 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 bad 4560cb4a0c9969260356b0ac9473c45bb1c1101d Bisecting: 104 revisions left to test after this (roughly 7 steps) [44173fda45ba25af84ae5c3e9b745bb286163730] media: dvb-frontends: add ST STV6111 DVB-S/S2 tuner frontend driver testing commit 44173fda45ba25af84ae5c3e9b745bb286163730 with gcc (GCC) 8.1.0 all runs: OK # git bisect good 44173fda45ba25af84ae5c3e9b745bb286163730 Bisecting: 52 revisions left to test after this (roughly 6 steps) [d75cf0144f150272be806b69b4e62553ba07ea1b] media: platform: davinci: drop VPFE_CMD_S_CCDC_RAW_PARAMS testing commit d75cf0144f150272be806b69b4e62553ba07ea1b with gcc (GCC) 8.1.0 all runs: OK # git bisect good d75cf0144f150272be806b69b4e62553ba07ea1b Bisecting: 25 revisions left to test after this (roughly 5 steps) [52740975f3751c02ece88b2ee2e183aff7503cdf] media: v4l2-flash: Flash ops aren't mandatory testing commit 52740975f3751c02ece88b2ee2e183aff7503cdf with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in corrupted run #1: OK 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 bad 52740975f3751c02ece88b2ee2e183aff7503cdf Bisecting: 12 revisions left to test after this (roughly 4 steps) [59ae0e8a0f47c20f5f91485b28239a75dc545e97] media: get rid of a new bogus Sphinx 1.5 warning testing commit 59ae0e8a0f47c20f5f91485b28239a75dc545e97 with gcc (GCC) 8.1.0 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-executor061898244" "root@10.128.10.30:./syz-executor061898244"]: exit status 1 ssh: connect to host 10.128.10.30 port 22: Connection timed out lost connection run #1: OK 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 59ae0e8a0f47c20f5f91485b28239a75dc545e97 Bisecting: 5 revisions left to test after this (roughly 3 steps) [1c84e7f9d5dc596bef22204131e561c4b3addf0a] media: s5p-jpeg: Add support for resolution change event testing commit 1c84e7f9d5dc596bef22204131e561c4b3addf0a with gcc (GCC) 8.1.0 all runs: OK # git bisect good 1c84e7f9d5dc596bef22204131e561c4b3addf0a Bisecting: 2 revisions left to test after this (roughly 2 steps) [26d051e301f67cdd2ea3404abb43902f13214efa] media: exynos4-is: fimc-is-i2c: constify dev_pm_ops structures testing commit 26d051e301f67cdd2ea3404abb43902f13214efa with gcc (GCC) 8.1.0 run #0: crashed: INFO: rcu detected stall in do_exit run #1: OK 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 bad 26d051e301f67cdd2ea3404abb43902f13214efa Bisecting: 0 revisions left to test after this (roughly 1 step) [281643a2ad7a82ee6588f5f95b6153bb38e6640c] media: s5k5baf: remove unnecessary static in s5k5baf_get_selection() testing commit 281643a2ad7a82ee6588f5f95b6153bb38e6640c with gcc (GCC) 8.1.0 all runs: OK # git bisect good 281643a2ad7a82ee6588f5f95b6153bb38e6640c 26d051e301f67cdd2ea3404abb43902f13214efa is the first bad commit commit 26d051e301f67cdd2ea3404abb43902f13214efa Author: Arvind Yadav Date: Thu Jun 29 04:21:35 2017 -0400 media: exynos4-is: fimc-is-i2c: constify dev_pm_ops structures dev_pm_ops are not supposed to change at runtime. All functions working with dev_pm_ops provided by work with const dev_pm_ops. So mark the non-const structs as const. File size before: text data bss dec hex filename 1195 376 0 1571 623 fimc-is-i2c.o File size After adding 'const': text data bss dec hex filename 1403 176 0 1579 62b fimc-is-i2c.o Signed-off-by: Arvind Yadav Signed-off-by: Sylwester Nawrocki Signed-off-by: Mauro Carvalho Chehab :040000 040000 e46f37618de80c488ad00957100a3ca973c44719 a357a59aa5f520502b811f2107f2208b76e7bd9f M drivers revisions tested: 32, total time: 7h2m22.512079184s (build: 2h48m33.826806193s, test: 4h4m32.421689818s) first bad commit: 26d051e301f67cdd2ea3404abb43902f13214efa media: exynos4-is: fimc-is-i2c: constify dev_pm_ops structures cc: ["arvind.yadav.cs@gmail.com" "kgene@kernel.org" "krzk@kernel.org" "kyungmin.park@samsung.com" "linux-arm-kernel@lists.infradead.org" "linux-kernel@vger.kernel.org" "linux-media@vger.kernel.org" "linux-samsung-soc@vger.kernel.org" "mchehab@kernel.org" "mchehab@s-opensource.com" "s.nawrocki@samsung.com"] crash: INFO: rcu detected stall in do_exit RAX: ffffffffffffffda RBX: 00007f4029260c90 RCX: 0000000000459a59 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffca0734ef R14: 00007f40292619c0 R15: 000000000075bf2c INFO: rcu_preempt self-detected stall on CPU 0-...: (1 GPs behind) idle=c7e/140000000000001/0 softirq=15611/15612 fqs=4780 (t=10500 jiffies g=2129 c=2128 q=344764) NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: kworker/dying Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 nmi_cpu_backtrace.cold.5+0x13/0xb2 lib/nmi_backtrace.c:102 nmi_trigger_cpumask_backtrace+0xf4/0x118 lib/nmi_backtrace.c:61 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:37 trigger_single_cpu_backtrace include/linux/nmi.h:123 [inline] rcu_dump_cpu_stacks+0x172/0x1bf kernel/rcu/tree.c:1390 print_cpu_stall kernel/rcu/tree.c:1536 [inline] check_cpu_stall.isra.57.cold.81+0x26f/0x4ca kernel/rcu/tree.c:1604 __rcu_pending kernel/rcu/tree.c:3457 [inline] rcu_pending kernel/rcu/tree.c:3519 [inline] rcu_check_callbacks+0x296/0xe90 kernel/rcu/tree.c:2861 update_process_times+0x2a/0x60 kernel/time/timer.c:1571 tick_sched_handle+0x7b/0x140 kernel/time/tick-sched.c:161 tick_sched_timer+0x34/0xf0 kernel/time/tick-sched.c:1190 __run_hrtimer kernel/time/hrtimer.c:1213 [inline] __hrtimer_run_queues+0x34b/0xe30 kernel/time/hrtimer.c:1277 hrtimer_interrupt+0x1ae/0x600 kernel/time/hrtimer.c:1311 local_apic_timer_interrupt+0x6e/0xa0 arch/x86/kernel/apic/apic.c:1019 smp_apic_timer_interrupt+0x71/0xa0 arch/x86/kernel/apic/apic.c:1043 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:702 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:814 [inline] RIP: 0010:console_unlock+0x8a6/0xde0 kernel/printk/printk.c:2247 RSP: 0018:ffff88012b28f860 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff1059851 RBX: 0000000000000000 RCX: 1ffff1002564ee05 RDX: 0000000000000000 RSI: ffff88012b277008 RDI: 0000000000000282 RBP: ffff88012b28f940 R08: ffff88012b277028 R09: 0000000000000006 R10: 0000000000000000 R11: dffffc0000000000 R12: 0000000000000038 R13: 0000000000000000 R14: ffffffff888af4e0 R15: ffffffff888af4b0 vprintk_emit+0x29b/0x4e0 kernel/printk/printk.c:1769 vprintk_default+0x1a/0x20 kernel/printk/printk.c:1808 vprintk_func+0x2c/0xf2 kernel/printk/printk_safe.c:382 printk+0x91/0xab kernel/printk/printk.c:1841 check_stack_usage kernel/exit.c:753 [inline] do_exit.cold.18+0x56/0x1d2 kernel/exit.c:916 kthread+0x2af/0x400 kernel/kthread.c:233 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:425 IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Released all slaves IPVS: ftp: loaded support on port[0] = 21 chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready bridge0: port 1(bridge_slave_0) entered disabled state bridge0: port 2(bridge_slave_1) entered disabled state IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 19321 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x280/0x780 mm/slab.c:3649 __alloc_skb+0xdb/0x6f0 net/core/skbuff.c:219 alloc_skb include/linux/skbuff.h:903 [inline] nlmsg_new include/net/netlink.h:505 [inline] netlink_ack+0x13a/0xb00 net/netlink/af_netlink.c:2325 netlink_rcv_skb+0x34c/0x490 net/netlink/af_netlink.c:2403 rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:4222 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x426/0x630 net/netlink/af_netlink.c:1291 netlink_sendmsg+0x8c3/0xe80 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:643 ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2034 __sys_sendmsg+0xd6/0x220 net/socket.c:2068 SYSC_sendmsg net/socket.c:2079 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2075 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x442ff9 RSP: 002b:00007fff983f6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442ff9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000002 R09: 00000000004aa5b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000403c90 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 19322 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x280/0x780 mm/slab.c:3649 __alloc_skb+0xdb/0x6f0 net/core/skbuff.c:219 alloc_skb include/linux/skbuff.h:903 [inline] nlmsg_new include/net/netlink.h:505 [inline] netlink_ack+0x13a/0xb00 net/netlink/af_netlink.c:2325 netlink_rcv_skb+0x34c/0x490 net/netlink/af_netlink.c:2403 rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:4222 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x426/0x630 net/netlink/af_netlink.c:1291 netlink_sendmsg+0x8c3/0xe80 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:643 ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2034 __sys_sendmsg+0xd6/0x220 net/socket.c:2068 SYSC_sendmsg net/socket.c:2079 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2075 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x442ff9 RSP: 002b:00007fff983f6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442ff9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000002 R09: 00000000004aa5b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000403c90 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 19323 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x40/0x780 mm/slab.c:3559 skb_clone+0x190/0x3b0 net/core/skbuff.c:1037 __netlink_deliver_tap_skb net/netlink/af_netlink.c:262 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:287 [inline] netlink_deliver_tap+0x744/0xbf0 net/netlink/af_netlink.c:298 __netlink_sendskb+0x43/0xa0 net/netlink/af_netlink.c:1209 netlink_sendskb net/netlink/af_netlink.c:1218 [inline] netlink_unicast+0x4bb/0x630 net/netlink/af_netlink.c:1306 netlink_ack+0x46d/0xb00 net/netlink/af_netlink.c:2368 netlink_rcv_skb+0x34c/0x490 net/netlink/af_netlink.c:2403 rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:4222 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x426/0x630 net/netlink/af_netlink.c:1291 netlink_sendmsg+0x8c3/0xe80 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:643 ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2034 __sys_sendmsg+0xd6/0x220 net/socket.c:2068 SYSC_sendmsg net/socket.c:2079 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2075 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x442ff9 RSP: 002b:00007fff983f6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442ff9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000002 R09: 00000000004aa5b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000403c90 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 19324 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x280/0x780 mm/slab.c:3649 __alloc_skb+0xdb/0x6f0 net/core/skbuff.c:219 alloc_skb include/linux/skbuff.h:903 [inline] nlmsg_new include/net/netlink.h:505 [inline] netlink_ack+0x13a/0xb00 net/netlink/af_netlink.c:2325 netlink_rcv_skb+0x34c/0x490 net/netlink/af_netlink.c:2403 rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:4222 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x426/0x630 net/netlink/af_netlink.c:1291 netlink_sendmsg+0x8c3/0xe80 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:643 ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2034 __sys_sendmsg+0xd6/0x220 net/socket.c:2068 SYSC_sendmsg net/socket.c:2079 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2075 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x442ff9 RSP: 002b:00007fff983f6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442ff9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000002 R09: 00000000004aa5b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000403c90 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 19325 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x280/0x780 mm/slab.c:3649 __alloc_skb+0xdb/0x6f0 net/core/skbuff.c:219 alloc_skb include/linux/skbuff.h:903 [inline] nlmsg_new include/net/netlink.h:505 [inline] netlink_ack+0x13a/0xb00 net/netlink/af_netlink.c:2325 netlink_rcv_skb+0x34c/0x490 net/netlink/af_netlink.c:2403 rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:4222 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x426/0x630 net/netlink/af_netlink.c:1291 netlink_sendmsg+0x8c3/0xe80 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:643 ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2034 __sys_sendmsg+0xd6/0x220 net/socket.c:2068 SYSC_sendmsg net/socket.c:2079 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2075 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x442ff9 RSP: 002b:00007fff983f6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442ff9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000002 R09: 00000000004aa5b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000403c90 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 19326 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x280/0x780 mm/slab.c:3649 __alloc_skb+0xdb/0x6f0 net/core/skbuff.c:219 alloc_skb include/linux/skbuff.h:903 [inline] nlmsg_new include/net/netlink.h:505 [inline] netlink_ack+0x13a/0xb00 net/netlink/af_netlink.c:2325 netlink_rcv_skb+0x34c/0x490 net/netlink/af_netlink.c:2403 rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:4222 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x426/0x630 net/netlink/af_netlink.c:1291 netlink_sendmsg+0x8c3/0xe80 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:643 ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2034 __sys_sendmsg+0xd6/0x220 net/socket.c:2068 SYSC_sendmsg net/socket.c:2079 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2075 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x442ff9 RSP: 002b:00007fff983f6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442ff9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000002 R09: 00000000004aa5b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 0000000000403c90 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 19327 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x280/0x780 mm/slab.c:3649 __alloc_skb+0xdb/0x6f0 net/core/skbuff.c:219 alloc_skb include/linux/skbuff.h:903 [inline] nlmsg_new include/net/netlink.h:505 [inline] netlink_ack+0x13a/0xb00 net/netlink/af_netlink.c:2325 netlink_rcv_skb+0x34c/0x490 net/netlink/af_netlink.c:2403 rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:4222 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x426/0x630 net/netlink/af_netlink.c:1291 netlink_sendmsg+0x8c3/0xe80 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:643 ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2034 __sys_sendmsg+0xd6/0x220 net/socket.c:2068 SYSC_sendmsg net/socket.c:2079 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2075 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x442ff9 RSP: 002b:00007fff983f6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442ff9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000002 R09: 00000000004aa5b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 R13: 0000000000403c90 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 19328 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x280/0x780 mm/slab.c:3649 __alloc_skb+0xdb/0x6f0 net/core/skbuff.c:219 alloc_skb include/linux/skbuff.h:903 [inline] nlmsg_new include/net/netlink.h:505 [inline] netlink_ack+0x13a/0xb00 net/netlink/af_netlink.c:2325 netlink_rcv_skb+0x34c/0x490 net/netlink/af_netlink.c:2403 rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:4222 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x426/0x630 net/netlink/af_netlink.c:1291 netlink_sendmsg+0x8c3/0xe80 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:643 ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2034 __sys_sendmsg+0xd6/0x220 net/socket.c:2068 SYSC_sendmsg net/socket.c:2079 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2075 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x442ff9 RSP: 002b:00007fff983f6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442ff9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000002 R09: 00000000004aa5b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 R13: 0000000000403c90 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 19329 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x40/0x780 mm/slab.c:3559 skb_clone+0x190/0x3b0 net/core/skbuff.c:1037 __netlink_deliver_tap_skb net/netlink/af_netlink.c:262 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:287 [inline] netlink_deliver_tap+0x744/0xbf0 net/netlink/af_netlink.c:298 __netlink_sendskb+0x43/0xa0 net/netlink/af_netlink.c:1209 netlink_sendskb net/netlink/af_netlink.c:1218 [inline] netlink_unicast+0x4bb/0x630 net/netlink/af_netlink.c:1306 netlink_ack+0x46d/0xb00 net/netlink/af_netlink.c:2368 netlink_rcv_skb+0x34c/0x490 net/netlink/af_netlink.c:2403 rtnetlink_rcv+0x25/0x30 net/core/rtnetlink.c:4222 netlink_unicast_kernel net/netlink/af_netlink.c:1265 [inline] netlink_unicast+0x426/0x630 net/netlink/af_netlink.c:1291 netlink_sendmsg+0x8c3/0xe80 net/netlink/af_netlink.c:1854 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:643 ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2034 __sys_sendmsg+0xd6/0x220 net/socket.c:2068 SYSC_sendmsg net/socket.c:2079 [inline] SyS_sendmsg+0xd/0x20 net/socket.c:2075 entry_SYSCALL_64_fastpath+0x23/0xc2 RIP: 0033:0x442ff9 RSP: 002b:00007fff983f6318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000442ff9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 0000000000000082 R08: 0000000000000002 R09: 00000000004aa5b8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 R13: 0000000000403c90 R14: 0000000000000000 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 19330 Comm: syz-executor078 Not tainted 4.13.0-rc1+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x145/0x1e1 lib/dump_stack.c:52 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0x15 lib/fault-inject.c:147 should_failslab+0xba/0xf0 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x40/0x780 mm/slab.c:3559 skb_clone+0x190/0x3b0 net/core/skbuff.c:1037