bisecting fixing commit since 9f51ae62c84a23ade0ba86457d30a30c9db0c50f
building syzkaller on 7df9db2eb2c94fd6324472f2ff0045cbcee9b74e
testing commit 9f51ae62c84a23ade0ba86457d30a30c9db0c50f with gcc (GCC) 8.1.0
run #0: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
run #1: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
run #2: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #3: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #4: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #5: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #6: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #7: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #8: crashed: INFO: task hung in vivid_stop_generating_vid_cap
run #9: crashed: INFO: task hung in vivid_stop_generating_vid_cap
testing current HEAD ecb095bff5d4b8711a81968625b3b4a235d3e477
testing commit ecb095bff5d4b8711a81968625b3b4a235d3e477 with gcc (GCC) 8.1.0
all runs: OK
# git bisect start ecb095bff5d4b8711a81968625b3b4a235d3e477 9f51ae62c84a23ade0ba86457d30a30c9db0c50f
Bisecting: 31576 revisions left to test after this (roughly 15 steps)
[d92da1fbb72490f999b7d0e809d13d0d52dc78ac] Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
testing commit d92da1fbb72490f999b7d0e809d13d0d52dc78ac with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good d92da1fbb72490f999b7d0e809d13d0d52dc78ac
Bisecting: 15788 revisions left to test after this (roughly 14 steps)
[3b20eb23724d493eca79f02b1e062bd5432e29d0] treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 320
testing commit 3b20eb23724d493eca79f02b1e062bd5432e29d0 with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad 3b20eb23724d493eca79f02b1e062bd5432e29d0
Bisecting: 8001 revisions left to test after this (roughly 13 steps)
[b3a5e648f5917ea508ecab9a629028b186d38eae] Merge tag 'tty-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
testing commit b3a5e648f5917ea508ecab9a629028b186d38eae with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good b3a5e648f5917ea508ecab9a629028b186d38eae
Bisecting: 4000 revisions left to test after this (roughly 12 steps)
[7a5575212ce4b6a41581b92fe03b6be1134793ba] Merge tag 'xtensa-20190510' of git://github.com/jcmvbkbc/linux-xtensa
testing commit 7a5575212ce4b6a41581b92fe03b6be1134793ba with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad 7a5575212ce4b6a41581b92fe03b6be1134793ba
Bisecting: 1583 revisions left to test after this (roughly 11 steps)
[a2d635decbfa9c1e4ae15cb05b68b2559f7f827c] Merge tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm
testing commit a2d635decbfa9c1e4ae15cb05b68b2559f7f827c with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad a2d635decbfa9c1e4ae15cb05b68b2559f7f827c
Bisecting: 1208 revisions left to test after this (roughly 10 steps)
[27eaa4927dc3be669ed70670241597ac73595caf] drm/amd/display: Add power down display on boot flag
testing commit 27eaa4927dc3be669ed70670241597ac73595caf with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good 27eaa4927dc3be669ed70670241597ac73595caf
Bisecting: 604 revisions left to test after this (roughly 9 steps)
[e7a1414f9dc3498c4c35b9ca266d539e8bccab53] Merge tag 'media/v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
testing commit e7a1414f9dc3498c4c35b9ca266d539e8bccab53 with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad e7a1414f9dc3498c4c35b9ca266d539e8bccab53
Bisecting: 303 revisions left to test after this (roughly 8 steps)
[d1cd7c85f9e29740fddec6f25d8bf061937bf58d] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
testing commit d1cd7c85f9e29740fddec6f25d8bf061937bf58d with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good d1cd7c85f9e29740fddec6f25d8bf061937bf58d
Bisecting: 151 revisions left to test after this (roughly 7 steps)
[0646d347bdc2aece81e993e01528b14ffe9029b8] media: dvb: clean up redundant break statements
testing commit 0646d347bdc2aece81e993e01528b14ffe9029b8 with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good 0646d347bdc2aece81e993e01528b14ffe9029b8
Bisecting: 76 revisions left to test after this (roughly 6 steps)
[fe460a6df6a8427d4ce7c731a0de43b6e10e9f6b] Merge tag 'pinctrl-v5.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
testing commit fe460a6df6a8427d4ce7c731a0de43b6e10e9f6b with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good fe460a6df6a8427d4ce7c731a0de43b6e10e9f6b
Bisecting: 38 revisions left to test after this (roughly 5 steps)
[d245a940d97b5cd0dd4eecd9530fa9ff4c5938c6] media: rcar-csi2: Use standby mode instead of resetting
testing commit d245a940d97b5cd0dd4eecd9530fa9ff4c5938c6 with gcc (GCC) 8.1.0
run #0: basic kernel testing failed: timed out
run #1: basic kernel testing failed: timed out
run #2: basic kernel testing failed: timed out
run #3: basic kernel testing failed: timed out
run #4: basic kernel testing failed: timed out
run #5: basic kernel testing failed: timed out
run #6: basic kernel testing failed: timed out
run #7: basic kernel testing failed: timed out
run #8: OK
run #9: OK
# git bisect skip d245a940d97b5cd0dd4eecd9530fa9ff4c5938c6
Bisecting: 37 revisions left to test after this (roughly 5 steps)
[c1421f1d6c29d6b6234e5b0894ef16b3f2a172e0] media: rcar-csi2: Update V3M and E3 start procedure
testing commit c1421f1d6c29d6b6234e5b0894ef16b3f2a172e0 with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad c1421f1d6c29d6b6234e5b0894ef16b3f2a172e0
Bisecting: 18 revisions left to test after this (roughly 4 steps)
[642bb5e88fed89e922239106e8dd9e5e6a39d172] media: st-mipid02: MIPID02 CSI-2 to PARALLEL bridge driver
testing commit 642bb5e88fed89e922239106e8dd9e5e6a39d172 with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good 642bb5e88fed89e922239106e8dd9e5e6a39d172
Bisecting: 9 revisions left to test after this (roughly 3 steps)
[75480ebf49662d10550a32ecd76702fbf0716331] media: coda: set codec earlier
testing commit 75480ebf49662d10550a32ecd76702fbf0716331 with gcc (GCC) 8.1.0
all runs: OK
# git bisect bad 75480ebf49662d10550a32ecd76702fbf0716331
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[1f7f11e8ca15366e6c1e62e4d4dc5d1ecb3b2eb4] media: videobuf2-v4l2.c: move up STATE_DEQUEUED check
testing commit 1f7f11e8ca15366e6c1e62e4d4dc5d1ecb3b2eb4 with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good 1f7f11e8ca15366e6c1e62e4d4dc5d1ecb3b2eb4
Bisecting: 2 revisions left to test after this (roughly 1 step)
[bac875349f8525a75760d0eee525186cb59658ea] media: cedrus: Fix initialization order
testing commit bac875349f8525a75760d0eee525186cb59658ea with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good bac875349f8525a75760d0eee525186cb59658ea
Bisecting: 1 revision left to test after this (roughly 1 step)
[c1ced46c7b49ad7bc064e68d966e0ad303f917fb] media: pvrusb2: Prevent a buffer overflow
testing commit c1ced46c7b49ad7bc064e68d966e0ad303f917fb with gcc (GCC) 8.1.0
all runs: crashed: KASAN: use-after-free Read in __vb2_perform_fileio
# git bisect good c1ced46c7b49ad7bc064e68d966e0ad303f917fb
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[d65842f7126aa1a87fb44b7c9980c12630ed4f33] media: vb2: add waiting_in_dqbuf flag
testing commit d65842f7126aa1a87fb44b7c9980c12630ed4f33 with gcc (GCC) 8.1.0
all runs: basic kernel testing failed: timed out
# git bisect skip d65842f7126aa1a87fb44b7c9980c12630ed4f33
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
d65842f7126aa1a87fb44b7c9980c12630ed4f33
75480ebf49662d10550a32ecd76702fbf0716331
We cannot bisect more!
revisions tested: 20, total time: 4h18m36.571366979s (build: 1h49m54.981984974s, test: 2h22m15.750361201s)
bisection is inconclusive, the first good commit could be any of:
d65842f7126aa1a87fb44b7c9980c12630ed4f33
75480ebf49662d10550a32ecd76702fbf0716331