bisecting cause commit starting from 13bf6d6a51df4fbf57b0626a7e469b9232ed2d38
building syzkaller on 732bc5a0a4cc7468b8abfdf8ba14f349f6d8acfa
testing commit 13bf6d6a51df4fbf57b0626a7e469b9232ed2d38 with gcc (GCC) 8.1.0
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in vhost_worker
run #2: crashed: INFO: rcu detected stall in vhost_worker
run #3: crashed: INFO: rcu detected stall in vhost_worker
run #4: crashed: INFO: rcu detected stall in vhost_worker
run #5: crashed: INFO: rcu detected stall in vhost_worker
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in vhost_worker
run #8: crashed: INFO: rcu detected stall in vhost_worker
run #9: crashed: INFO: rcu detected stall in vhost_worker
testing release v5.2
testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0
run #0: crashed: WARNING: ODEBUG bug in netdev_freemem
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 v5.1
testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0
all runs: OK
# git bisect start v5.2 v5.1
Bisecting: 6966 revisions left to test after this (roughly 13 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 good a2d635decbfa9c1e4ae15cb05b68b2559f7f827c
Bisecting: 3786 revisions left to test after this (roughly 12 steps)
[22c58fd70ca48a29505922b1563826593b08cc00] Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
testing commit 22c58fd70ca48a29505922b1563826593b08cc00 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 22c58fd70ca48a29505922b1563826593b08cc00
Bisecting: 1898 revisions left to test after this (roughly 11 steps)
[61939b12dc24d0ac958020f261046c35a16e0c48] block: print offending values when cloned rq limits are exceeded
testing commit 61939b12dc24d0ac958020f261046c35a16e0c48 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 61939b12dc24d0ac958020f261046c35a16e0c48
Bisecting: 949 revisions left to test after this (roughly 10 steps)
[3510955b327176fd4cbab5baa75b449f077722a2] mm/list_lru.c: fix memory leak in __memcg_init_list_lru_node
testing commit 3510955b327176fd4cbab5baa75b449f077722a2 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 3510955b327176fd4cbab5baa75b449f077722a2
Bisecting: 468 revisions left to test after this (roughly 9 steps)
[b3e978337b25b042aa653652a029e3d798814c12] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
testing commit b3e978337b25b042aa653652a029e3d798814c12 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good b3e978337b25b042aa653652a029e3d798814c12
Bisecting: 231 revisions left to test after this (roughly 8 steps)
[c84afab02c311b08b5cb8ea758cc177f81c95d11] Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
testing commit c84afab02c311b08b5cb8ea758cc177f81c95d11 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good c84afab02c311b08b5cb8ea758cc177f81c95d11
Bisecting: 114 revisions left to test after this (roughly 7 steps)
[57103eb7c6cad04c0611b7a5767a381b34b8b0ab] Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
testing commit 57103eb7c6cad04c0611b7a5767a381b34b8b0ab with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 57103eb7c6cad04c0611b7a5767a381b34b8b0ab
Bisecting: 55 revisions left to test after this (roughly 6 steps)
[a5fff14a0c7989fbc8316a43f52aed1804f02ddd] Merge branch 'akpm' (patches from Andrew)
testing commit a5fff14a0c7989fbc8316a43f52aed1804f02ddd with gcc (GCC) 8.1.0
all runs: OK
# git bisect good a5fff14a0c7989fbc8316a43f52aed1804f02ddd
Bisecting: 26 revisions left to test after this (roughly 5 steps)
[0e63665a1bfd606f538da90473648ca5b827d60f] Merge tag 'mtd/fixes-for-5.2-final' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
testing commit 0e63665a1bfd606f538da90473648ca5b827d60f with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 0e63665a1bfd606f538da90473648ca5b827d60f
Bisecting: 14 revisions left to test after this (roughly 4 steps)
[4f8b49092c37cf0c87c43bb2698d43c71cf0e4e5] Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
testing commit 4f8b49092c37cf0c87c43bb2698d43c71cf0e4e5 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 4f8b49092c37cf0c87c43bb2698d43c71cf0e4e5
Bisecting: 8 revisions left to test after this (roughly 3 steps)
[f2ff671f894151a611eae246a1f25b61d6c0354b] MAINTAINERS: Correct path to moved files
testing commit f2ff671f894151a611eae246a1f25b61d6c0354b with gcc (GCC) 8.1.0
all runs: OK
# git bisect good f2ff671f894151a611eae246a1f25b61d6c0354b
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[f6034225442c4a87906d36e975fd9e99a8f95487] dmaengine: qcom: bam_dma: Fix completed descriptors count
testing commit f6034225442c4a87906d36e975fd9e99a8f95487 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good f6034225442c4a87906d36e975fd9e99a8f95487
Bisecting: 2 revisions left to test after this (roughly 1 step)
[bcc0e65f47def010d8d1c4cf09bdc698fe061b77] Merge tag 'mips_fixes_5.2_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
testing commit bcc0e65f47def010d8d1c4cf09bdc698fe061b77 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good bcc0e65f47def010d8d1c4cf09bdc698fe061b77
Bisecting: 0 revisions left to test after this (roughly 1 step)
[46713c3d2f8da5e3d8ddd2249bcb1d9974fb5d28] Merge tag 'for-linus-20190706' of git://git.kernel.dk/linux-block
testing commit 46713c3d2f8da5e3d8ddd2249bcb1d9974fb5d28 with gcc (GCC) 8.1.0
all runs: OK
# git bisect good 46713c3d2f8da5e3d8ddd2249bcb1d9974fb5d28
0ecfebd2b52404ae0c54a878c872bb93363ada36 is the first bad commit
commit 0ecfebd2b52404ae0c54a878c872bb93363ada36
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sun Jul 7 15:41:56 2019 -0700

    Linux 5.2

:100644 100644 fabc127d127f9473aa92298b0170f2b4d2846834 3e4868a6498b2224f5a174f7da5abf287dc6580a M	Makefile
revisions tested: 17, total time: 4h50m51.830335813s (build: 1h36m54.978342409s, test: 3h8m48.662230646s)
first bad commit: 0ecfebd2b52404ae0c54a878c872bb93363ada36 Linux 5.2
cc: ["linux-kbuild@vger.kernel.org" "linux-kernel@vger.kernel.org" "michal.lkml@markovi.net" "torvalds@linux-foundation.org" "yamada.masahiro@socionext.com"]