bisecting cause commit starting from e12e00e388dee1d2a86e9b90f79a69f9acd2c9b0 building syzkaller on 7b5f86212c1bcfb5120dd42086b1c1192468d3b3 testing commit e12e00e388dee1d2a86e9b90f79a69f9acd2c9b0 with gcc (GCC) 8.1.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: crashed: WARNING in usb_submit_urb run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: crashed: WARNING in usb_submit_urb run #3: crashed: WARNING in usb_submit_urb run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: crashed: WARNING in usb_submit_urb run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 run #0: crashed: WARNING in usb_submit_urb 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 testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: crashed: WARNING in usb_submit_urb run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: crashed: WARNING in usb_submit_urb run #3: crashed: WARNING in usb_submit_urb run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: crashed: WARNING in usb_submit_urb run #3: crashed: WARNING in usb_submit_urb run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: crashed: WARNING in usb_submit_urb run #3: crashed: WARNING in usb_submit_urb run #4: crashed: WARNING in usb_submit_urb run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: crashed: WARNING in usb_submit_urb run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: crashed: WARNING in usb_submit_urb run #3: crashed: WARNING in usb_submit_urb run #4: crashed: WARNING in usb_submit_urb run #5: OK run #6: crashed: WARNING in usb_submit_urb run #7: OK run #8: OK run #9: OK testing release v4.10 testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0 run #0: crashed: WARNING in usb_submit_urb run #1: crashed: WARNING in usb_submit_urb run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: crashed: WARNING in usb_submit_urb testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 all runs: OK # git bisect start v4.10 v4.9 Bisecting: 7099 revisions left to test after this (roughly 13 steps) [f4000cd99750065d5177555c0a805c97174d1b9f] Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux testing commit f4000cd99750065d5177555c0a805c97174d1b9f with gcc (GCC) 5.5.0 all runs: boot failed: can't ssh into the instance # git bisect skip f4000cd99750065d5177555c0a805c97174d1b9f Bisecting: 7099 revisions left to test after this (roughly 13 steps) [ab1effc09519f3bb4b84dd6d8276cedf07b17a1b] staging: ks7010: Add blank line after declarations testing commit ab1effc09519f3bb4b84dd6d8276cedf07b17a1b with gcc (GCC) 5.5.0 all runs: OK # git bisect good ab1effc09519f3bb4b84dd6d8276cedf07b17a1b Bisecting: 7022 revisions left to test after this (roughly 13 steps) [09cb6464fe5e7fcd5177911429badd139c4481b7] Merge tag 'for-f2fs-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs testing commit 09cb6464fe5e7fcd5177911429badd139c4481b7 with gcc (GCC) 5.5.0 all runs: boot failed: can't ssh into the instance # git bisect skip 09cb6464fe5e7fcd5177911429badd139c4481b7 Bisecting: 7022 revisions left to test after this (roughly 13 steps) [68226b4dfa9b2e064e2f9e792bf7469f465054c7] [media] dvb-tc90522: Rename a jump label in tc90522_probe() testing commit 68226b4dfa9b2e064e2f9e792bf7469f465054c7 with gcc (GCC) 5.5.0 all runs: OK # git bisect good 68226b4dfa9b2e064e2f9e792bf7469f465054c7 Bisecting: 6886 revisions left to test after this (roughly 13 steps) [d03502684b65492339d70f11aa8ed6df3961a3bf] s390/zcrypt: add missing memory clobber to ap_qci inline assembly testing commit d03502684b65492339d70f11aa8ed6df3961a3bf with gcc (GCC) 5.5.0 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/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.146:./syz-fuzzer"]: exit status 1 Connection timed out during banner exchange 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/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.188:./syz-fuzzer"]: 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.5:./syz-fuzzer"]: exit status 1 Connection timed out during banner exchange lost connection run #3: boot failed: can't ssh into the instance run #4: boot failed: can't ssh into the instance run #5: boot failed: can't ssh into the instance run #6: boot failed: can't ssh into the instance run #7: boot failed: can't ssh into the instance run #8: boot failed: can't ssh into the instance run #9: boot failed: can't ssh into the instance # git bisect skip d03502684b65492339d70f11aa8ed6df3961a3bf Bisecting: 6886 revisions left to test after this (roughly 13 steps) [a149e7c7ce812561f0fdc7a86ddc42f294e5eb3e] ipv6: sr: add support for SRH injection through setsockopt testing commit a149e7c7ce812561f0fdc7a86ddc42f294e5eb3e with gcc (GCC) 5.5.0 all runs: OK # git bisect good a149e7c7ce812561f0fdc7a86ddc42f294e5eb3e Bisecting: 6483 revisions left to test after this (roughly 13 steps) [a829a8445f09036404060f4d6489cb13433f4304] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi testing commit a829a8445f09036404060f4d6489cb13433f4304 with gcc (GCC) 5.5.0 run #0: 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-fuzzer" "root@10.128.1.2:./syz-fuzzer"] run #1: 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-fuzzer" "root@10.128.1.54:./syz-fuzzer"] run #2: boot failed: can't ssh into the instance run #3: boot failed: can't ssh into the instance run #4: boot failed: can't ssh into the instance run #5: boot failed: can't ssh into the instance run #6: boot failed: can't ssh into the instance run #7: boot failed: can't ssh into the instance run #8: boot failed: can't ssh into the instance run #9: boot failed: can't ssh into the instance # git bisect skip a829a8445f09036404060f4d6489cb13433f4304 Bisecting: 6483 revisions left to test after this (roughly 13 steps) [9004fda59577d439564d44d6d1db52d262fe3f99] Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 9004fda59577d439564d44d6d1db52d262fe3f99 with gcc (GCC) 5.5.0 all runs: OK # git bisect good 9004fda59577d439564d44d6d1db52d262fe3f99 Bisecting: 1048 revisions left to test after this (roughly 10 steps) [93f955aad4bacee5acebad141d1a03cd51f27b4e] tipc: fix nametbl_lock soft lockup at node/link events testing commit 93f955aad4bacee5acebad141d1a03cd51f27b4e with gcc (GCC) 5.5.0 all runs: OK # git bisect good 93f955aad4bacee5acebad141d1a03cd51f27b4e Bisecting: 516 revisions left to test after this (roughly 9 steps) [1b1bc42c1692e9b62756323c675a44cb1a1f9dbd] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit 1b1bc42c1692e9b62756323c675a44cb1a1f9dbd with gcc (GCC) 5.5.0 all runs: OK # git bisect good 1b1bc42c1692e9b62756323c675a44cb1a1f9dbd Bisecting: 260 revisions left to test after this (roughly 8 steps) [b6789123bccba8b5feb9901ed2e8c3c39181979d] mm: fix KPF_SWAPCACHE in /proc/kpageflags testing commit b6789123bccba8b5feb9901ed2e8c3c39181979d with gcc (GCC) 5.5.0 all runs: OK # git bisect good b6789123bccba8b5feb9901ed2e8c3c39181979d Bisecting: 120 revisions left to test after this (roughly 7 steps) [1ee18329fae936089c6c599250ae92482ff2b81f] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit 1ee18329fae936089c6c599250ae92482ff2b81f with gcc (GCC) 5.5.0 all runs: OK # git bisect good 1ee18329fae936089c6c599250ae92482ff2b81f Bisecting: 53 revisions left to test after this (roughly 6 steps) [3c7a9f32f9392c9dfce24f33bdc6799852903e27] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net testing commit 3c7a9f32f9392c9dfce24f33bdc6799852903e27 with gcc (GCC) 5.5.0 all runs: OK # git bisect good 3c7a9f32f9392c9dfce24f33bdc6799852903e27 Bisecting: 26 revisions left to test after this (roughly 5 steps) [2fe1e8a7b2f4dcac3fcb07ff06b0ae7396201fd6] Merge tag 'powerpc-4.10-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux testing commit 2fe1e8a7b2f4dcac3fcb07ff06b0ae7396201fd6 with gcc (GCC) 5.5.0 all runs: OK # git bisect good 2fe1e8a7b2f4dcac3fcb07ff06b0ae7396201fd6 Bisecting: 12 revisions left to test after this (roughly 4 steps) [244ff16fb4717708491fa1b3b2a68f9074742d71] Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 244ff16fb4717708491fa1b3b2a68f9074742d71 with gcc (GCC) 5.5.0 all runs: OK # git bisect good 244ff16fb4717708491fa1b3b2a68f9074742d71 Bisecting: 7 revisions left to test after this (roughly 3 steps) [b92ce305fcbc8d85d1732fecf17c823c760868bd] Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm testing commit b92ce305fcbc8d85d1732fecf17c823c760868bd with gcc (GCC) 5.5.0 all runs: OK # git bisect good b92ce305fcbc8d85d1732fecf17c823c760868bd Bisecting: 3 revisions left to test after this (roughly 2 steps) [2763f92f858f7c4c3198335c0542726eaed07ba3] Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc testing commit 2763f92f858f7c4c3198335c0542726eaed07ba3 with gcc (GCC) 5.5.0 all runs: OK # git bisect good 2763f92f858f7c4c3198335c0542726eaed07ba3 Bisecting: 1 revision left to test after this (roughly 1 step) [fd3fc0b4d7305fa7246622dcc0dec69c42443f45] scsi: don't BUG_ON() empty DMA transfers testing commit fd3fc0b4d7305fa7246622dcc0dec69c42443f45 with gcc (GCC) 5.5.0 all runs: OK # git bisect good fd3fc0b4d7305fa7246622dcc0dec69c42443f45 Bisecting: 0 revisions left to test after this (roughly 0 steps) [137d01df511b3afe1f05499aea05f3bafc0fb221] Fix missing sanity check in /dev/sg testing commit 137d01df511b3afe1f05499aea05f3bafc0fb221 with gcc (GCC) 5.5.0 all runs: OK # git bisect good 137d01df511b3afe1f05499aea05f3bafc0fb221 c470abd4fde40ea6a0846a2beab642a578c0b8cd is the first bad commit commit c470abd4fde40ea6a0846a2beab642a578c0b8cd Author: Linus Torvalds Date: Sun Feb 19 14:34:00 2017 -0800 Linux 4.10 :100644 100644 503dae1de8ef4d6175e9831bbc0256f7477f87d8 f1e6a02a0c199c861665d9eaa61d89473001e33a M Makefile revisions tested: 31, total time: 8h22m40.863268588s (build: 2h17m19.511396231s, test: 5h56m10.723880131s) first bad commit: c470abd4fde40ea6a0846a2beab642a578c0b8cd Linux 4.10 cc: ["linux-kbuild@vger.kernel.org" "linux-kernel@vger.kernel.org" "mmarek@suse.com" "torvalds@linux-foundation.org"]