bisecting cause commit starting from d1fdb6d8f6a4109a4263176c84b899076a5f8008
building syzkaller on 0159583c3bcfe4ece6b839712327cd955aabee66
testing commit d1fdb6d8f6a4109a4263176c84b899076a5f8008 with gcc (GCC) 8.1.0
all runs: crashed: WARNING in blk_mq_sched_free_requests
testing release v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0
run #0: crashed: WARNING in batadv_mcast_mla_tt_retract
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 v5.0
testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0
all runs: OK
# git bisect start v5.1 v5.0
Bisecting: 7074 revisions left to test after this (roughly 13 steps)
[b5dd0c658c31b469ccff1b637e5124851e7a4a1c] Merge branch 'akpm' (patches from Andrew)
testing commit b5dd0c658c31b469ccff1b637e5124851e7a4a1c with gcc (GCC) 8.1.0
all runs: OK
# git bisect good b5dd0c658c31b469ccff1b637e5124851e7a4a1c
Bisecting: 3573 revisions left to test after this (roughly 12 steps)
[4f0237062ca70c8e34e16e518aee4b84c30d1832] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
testing commit 4f0237062ca70c8e34e16e518aee4b84c30d1832 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 4f0237062ca70c8e34e16e518aee4b84c30d1832
Bisecting: 1796 revisions left to test after this (roughly 11 steps)
[345077c8e172c255ea0707214303ccd099e5656b] KVM: PPC: Book3S: Protect memslots while validating user address
testing commit 345077c8e172c255ea0707214303ccd099e5656b with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 345077c8e172c255ea0707214303ccd099e5656b
Bisecting: 898 revisions left to test after this (roughly 10 steps)
[8065a779f17e94536a1c4dcee4f9d88011672f97] failover: allow name change on IFF_UP slave interfaces
testing commit 8065a779f17e94536a1c4dcee4f9d88011672f97 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 8065a779f17e94536a1c4dcee4f9d88011672f97
Bisecting: 443 revisions left to test after this (roughly 9 steps)
[3ecafda911f4e56cb80149fd7ab87f8610c7765f] Merge branch 'akpm' (patches from Andrew)
testing commit 3ecafda911f4e56cb80149fd7ab87f8610c7765f with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 3ecafda911f4e56cb80149fd7ab87f8610c7765f
Bisecting: 221 revisions left to test after this (roughly 8 steps)
[f68d7c44e76532e46f292ad941aa3706cb9e6e40] selftests: fib_rule_tests: print the result and return 1 if any tests failed
testing commit f68d7c44e76532e46f292ad941aa3706cb9e6e40 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good f68d7c44e76532e46f292ad941aa3706cb9e6e40
Bisecting: 110 revisions left to test after this (roughly 7 steps)
[6f303d60534c46aa1a239f29c321f95c83dda748] gcc-9: silence 'address-of-packed-member' warning
testing commit 6f303d60534c46aa1a239f29c321f95c83dda748 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 6f303d60534c46aa1a239f29c321f95c83dda748
Bisecting: 52 revisions left to test after this (roughly 6 steps)
[82463436a7fa40345c6febf0baa4c954af506ca6] Merge branch 'i2c/for-current-fixed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux
testing commit 82463436a7fa40345c6febf0baa4c954af506ca6 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 82463436a7fa40345c6febf0baa4c954af506ca6
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[6203838dec05352bc357625b1e9ba0a10d3bca35] Merge tag 'powerpc-5.1-7' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
testing commit 6203838dec05352bc357625b1e9ba0a10d3bca35 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 6203838dec05352bc357625b1e9ba0a10d3bca35
Bisecting: 14 revisions left to test after this (roughly 4 steps)
[221856b16e8e92619b0b99ec7d798a34be051d74] Merge tag 'perf-urgent-for-mingo-5.1-20190502' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
testing commit 221856b16e8e92619b0b99ec7d798a34be051d74 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 221856b16e8e92619b0b99ec7d798a34be051d74
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[13369e831173251e2bc3bc2a78f67c387e8d9609] Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
testing commit 13369e831173251e2bc3bc2a78f67c387e8d9609 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 13369e831173251e2bc3bc2a78f67c387e8d9609
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[6f55967ad9d9752813e36de6d5fdbd19741adfc7] perf/x86/intel: Fix race in intel_pmu_disable_event()
testing commit 6f55967ad9d9752813e36de6d5fdbd19741adfc7 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 6f55967ad9d9752813e36de6d5fdbd19741adfc7
Bisecting: 1 revision left to test after this (roughly 1 step)
[70c9fb570b7c1c3edb03cbe745cf81ceeef5d484] Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
testing commit 70c9fb570b7c1c3edb03cbe745cf81ceeef5d484 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 70c9fb570b7c1c3edb03cbe745cf81ceeef5d484
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[7178fb0b239d1c037876301c116fc9a6c1bd2ac0] Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
testing commit 7178fb0b239d1c037876301c116fc9a6c1bd2ac0 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 7178fb0b239d1c037876301c116fc9a6c1bd2ac0
e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd is the first bad commit
commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sun May 5 17:42:58 2019 -0700

    Linux 5.1

:100644 100644 633d1196bf005defcbc5c074de7d5f7718894e5e 26c92f892d24b1481b3b3ee29e1a53224c4e704d M	Makefile
revisions tested: 17, total time: 4h46m14.51821356s (build: 1h40m23.338919101s, test: 2h59m56.733460624s)
first bad commit: e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd Linux 5.1
cc: ["linux-kbuild@vger.kernel.org" "linux-kernel@vger.kernel.org" "michal.lkml@markovi.net" "torvalds@linux-foundation.org" "yamada.masahiro@socionext.com"]