bisecting fixing commit since 2ef96a5bb12be62ef75b5828c0aab838ebb29cb8
building syzkaller on f8f57555cd9496188673f14b02ce8e1f13ce508c
testing commit 2ef96a5bb12be62ef75b5828c0aab838ebb29cb8 with gcc (GCC) 8.1.0
kernel signature: d7e3ad2c38c7343f00da1bad816af4600ded50155914494740898492f7fdf854
all runs: crashed: KASAN: global-out-of-bounds Read in fbcon_get_font
testing current HEAD 729e3d091984487f7aa1ebfabfe594e5b317ed0f
testing commit 729e3d091984487f7aa1ebfabfe594e5b317ed0f with gcc (GCC) 8.1.0
kernel signature: 6dc09c1aefd9d943e8de29b938985998688c1db1ac91c8116fb8a49c24a182bf
all runs: OK
# git bisect start 729e3d091984487f7aa1ebfabfe594e5b317ed0f 2ef96a5bb12be62ef75b5828c0aab838ebb29cb8
Bisecting: 16713 revisions left to test after this (roughly 14 steps)
[92cffd48bfb3647552e73c41c4a95bbd04385b08] Merge branch 'net-ipa-fix-warning-reported-errors'
testing commit 92cffd48bfb3647552e73c41c4a95bbd04385b08 with gcc (GCC) 8.1.0
kernel signature: e340da81b539b545d870a12f1ddd8d7e000fbc8b3355e4bccf3457f5819f9ead
all runs: crashed: KASAN: global-out-of-bounds Read in fbcon_get_font
# git bisect good 92cffd48bfb3647552e73c41c4a95bbd04385b08
Bisecting: 9015 revisions left to test after this (roughly 13 steps)
[8186749621ed6b8fc42644c399e8c755a2b6f630] Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm
testing commit 8186749621ed6b8fc42644c399e8c755a2b6f630 with gcc (GCC) 8.1.0
kernel signature: 9c015c75a40c93f8998b5e6b02b2fa652f1d912d1f106736fd0f6b302247bac4
all runs: OK
# git bisect bad 8186749621ed6b8fc42644c399e8c755a2b6f630
Bisecting: 3847 revisions left to test after this (roughly 12 steps)
[822ef14e9dc73079c646d33aa77e2ac42361b39e] Merge tag 'arm-drivers-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
testing commit 822ef14e9dc73079c646d33aa77e2ac42361b39e with gcc (GCC) 8.1.0
kernel signature: 26a9be9ec50feb216a87ddfca74db04adcf09f315d7478391253ef847bb9bf90
all runs: OK
# git bisect bad 822ef14e9dc73079c646d33aa77e2ac42361b39e
Bisecting: 1925 revisions left to test after this (roughly 11 steps)
[690b25675f5c9c082cb1b902e6d21dd956754e7e] Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
testing commit 690b25675f5c9c082cb1b902e6d21dd956754e7e with gcc (GCC) 8.1.0
kernel signature: b42f49890bb38c574671737aef6a28325e526da11c96d99102831d12cbac592d
all runs: OK
# git bisect bad 690b25675f5c9c082cb1b902e6d21dd956754e7e
Bisecting: 961 revisions left to test after this (roughly 10 steps)
[657237f56b26be2784cbf82867d65ebddff16539] Merge tag 'wireless-drivers-2020-07-24' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
testing commit 657237f56b26be2784cbf82867d65ebddff16539 with gcc (GCC) 8.1.0
kernel signature: d50e708cc2c4e439fcc98d8f024268bba64f6a867ebd1b845bbb71d31c3c1757
run #0: crashed: WARNING: ODEBUG bug in netdev_run_todo
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 657237f56b26be2784cbf82867d65ebddff16539
Bisecting: 479 revisions left to test after this (roughly 9 steps)
[23ee3e4e5bd27bdbc0f1785eef7209ce872794c7] Merge tag 'pci-v5.8-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci into master
testing commit 23ee3e4e5bd27bdbc0f1785eef7209ce872794c7 with gcc (GCC) 8.1.0
kernel signature: a560ce7295098c7dc67c940d6e53372bb62a5e35ae5ce0a14ec99806fe80f7cd
all runs: OK
# git bisect bad 23ee3e4e5bd27bdbc0f1785eef7209ce872794c7
Bisecting: 251 revisions left to test after this (roughly 8 steps)
[a570f4198906a88b959ddcc56ddabc634397e810] Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux into master
testing commit a570f4198906a88b959ddcc56ddabc634397e810 with gcc (GCC) 8.1.0
kernel signature: 8b43cf992d21610f45850d3d101dd11c5a9ced4e34e1bfdb7a40d9972167d540
all runs: OK
# git bisect bad a570f4198906a88b959ddcc56ddabc634397e810
Bisecting: 118 revisions left to test after this (roughly 7 steps)
[50ad1c2155a32dc68e0da8efcc6d95429869076e] Merge tag 'driver-core-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into master
testing commit 50ad1c2155a32dc68e0da8efcc6d95429869076e with gcc (GCC) 8.1.0
kernel signature: 07b71db9136865935b74d292fe3076b75ee56faa5ec6249a268147e96841515c
all runs: OK
# git bisect bad 50ad1c2155a32dc68e0da8efcc6d95429869076e
Bisecting: 64 revisions left to test after this (roughly 6 steps)
[6cbba1f9114a8134cff9138c79add15012fd52b9] keys: asymmetric: fix error return code in software_key_query()
testing commit 6cbba1f9114a8134cff9138c79add15012fd52b9 with gcc (GCC) 8.1.0
kernel signature: 51da29ec008bdbe790bff3d78f0580e8d0f31a3f1a0515b489ec89f0e1fe68a6
all runs: OK
# git bisect bad 6cbba1f9114a8134cff9138c79add15012fd52b9
Bisecting: 22 revisions left to test after this (roughly 5 steps)
[4437dd6e8f71e8b4b5546924a6e48e7edaf4a8dc] Merge tag 'io_uring-5.8-2020-07-12' of git://git.kernel.dk/linux-block
testing commit 4437dd6e8f71e8b4b5546924a6e48e7edaf4a8dc with gcc (GCC) 8.1.0
kernel signature: 46312cbbd1b07208d5c6e32bce8ffc7bd230980df943dc1522d1502bef8480f6
all runs: OK
# git bisect bad 4437dd6e8f71e8b4b5546924a6e48e7edaf4a8dc
Bisecting: 12 revisions left to test after this (roughly 4 steps)
[9599e9e7e3ee3a5afcdf00b05d4e86d256a98ae3] Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
testing commit 9599e9e7e3ee3a5afcdf00b05d4e86d256a98ae3 with gcc (GCC) 8.1.0
kernel signature: b2b731b93b2237fd4cf00ceefb7b65dd6f7a34c0666c6333b21bf003377b1ecd
all runs: OK
# git bisect bad 9599e9e7e3ee3a5afcdf00b05d4e86d256a98ae3
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[e094fd346021b820f37188aaa6b502c7490ab5b5] scsi: dh: Add Fujitsu device to devinfo and dh lists
testing commit e094fd346021b820f37188aaa6b502c7490ab5b5 with gcc (GCC) 8.1.0
kernel signature: 989286992a5378f6caaf220fa91ae0212af13e6b342de2259d5702b88e059e8b
all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
# git bisect skip e094fd346021b820f37188aaa6b502c7490ab5b5
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[1a9826204109acd3f8e926394b16bd4cdc4c5dbb] scsi: iscsi: Change iSCSI workqueue max_active back to 1
testing commit 1a9826204109acd3f8e926394b16bd4cdc4c5dbb with gcc (GCC) 8.1.0
kernel signature: 8bdc1f6460974051e3ce4d7ce09a8bdeac59549c08d3fe5235db5a55d0277257
all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
# git bisect skip 1a9826204109acd3f8e926394b16bd4cdc4c5dbb
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[0aea6d5c5be33ce94c16f9ab2f64de1f481f424b] Merge tag 'for-linus-5.8b-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
testing commit 0aea6d5c5be33ce94c16f9ab2f64de1f481f424b with gcc (GCC) 8.1.0
kernel signature: fec382a907d75191c10248f5a02f23264d6462b9dcbd840f7cdcdcd5eb37c992
run #0: boot failed: can't ssh into the instance
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 0aea6d5c5be33ce94c16f9ab2f64de1f481f424b
Bisecting: 1 revision left to test after this (roughly 1 step)
[997c4431f04d8f0d6063bac3bcdceba8d939b879] Merge tag 'powerpc-5.8-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
testing commit 997c4431f04d8f0d6063bac3bcdceba8d939b879 with gcc (GCC) 8.1.0
kernel signature: c78474b72625039794e5314676a199c85a351cabf8a9c600d87468069605152c
all runs: OK
# git bisect bad 997c4431f04d8f0d6063bac3bcdceba8d939b879
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[4557ac6b344b8cdf948ff8b007e8e1de34832f2e] powerpc/64s/exception: Fix 0x1500 interrupt handler crash
testing commit 4557ac6b344b8cdf948ff8b007e8e1de34832f2e with gcc (GCC) 8.1.0
kernel signature: 4e7bd8adab73225a98baeba89ee352d75b12bfc412b8ec5d286a9ad43507d27c
all runs: basic kernel testing failed: KASAN: use-after-free Write in afs_wake_up_async_call
# git bisect skip 4557ac6b344b8cdf948ff8b007e8e1de34832f2e
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
4557ac6b344b8cdf948ff8b007e8e1de34832f2e
997c4431f04d8f0d6063bac3bcdceba8d939b879
We cannot bisect more!
revisions tested: 18, total time: 4h13m2.114019199s (build: 1h37m20.125436134s, test: 2h33m46.620587208s)
bisection is inconclusive, the first good commit could be any of:
4557ac6b344b8cdf948ff8b007e8e1de34832f2e
997c4431f04d8f0d6063bac3bcdceba8d939b879