bisecting fixing commit since d3432bf10f17bd8ef7d6ca0a268f63bfb0c3d372
building syzkaller on 6972b10616d785401dea17cec890cca8916424a7
testing commit d3432bf10f17bd8ef7d6ca0a268f63bfb0c3d372
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: de38c83afe0b313c70d8231e29f6faefb5ebb5bad0a784e1a8700e712c13de68
run #0: crashed: KASAN: invalid-free in bdev_free_inode
run #1: crashed: BUG: spinlock bad magic in synchronize_srcu
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
reproducer seems to be flaky
testing current HEAD 0693b27644f04852e46f7f034e3143992b658869
testing commit 0693b27644f04852e46f7f034e3143992b658869
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d4ad13f4a0662373598799a30e2f9479fd7dc2e36df39e2acb8a8ae4146c7270
all runs: OK
# git bisect start 0693b27644f04852e46f7f034e3143992b658869 d3432bf10f17bd8ef7d6ca0a268f63bfb0c3d372
Bisecting: 5917 revisions left to test after this (roughly 13 steps)
[477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6] Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm

testing commit 477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b997da428749c22b3d82a7ef7db2d45270c14047d062ef6e991c3950497cbe9c
all runs: OK
# git bisect bad 477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6
Bisecting: 3024 revisions left to test after this (roughly 12 steps)
[9e9fb7655ed585da8f468e29221f0ba194a5f613] Merge tag 'net-next-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

testing commit 9e9fb7655ed585da8f468e29221f0ba194a5f613
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
arch/x86/kernel/setup.c:916:6: error: implicit declaration of function 'acpi_mps_check' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1110:2: error: implicit declaration of function 'acpi_table_upgrade' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1112:2: error: implicit declaration of function 'acpi_boot_table_init' [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1120:2: error: implicit declaration of function 'early_acpi_boot_init'; did you mean 'early_cpu_init'? [-Werror=implicit-function-declaration]
arch/x86/kernel/setup.c:1162:2: error: implicit declaration of function 'acpi_boot_init' [-Werror=implicit-function-declaration]
# git bisect skip 9e9fb7655ed585da8f468e29221f0ba194a5f613
Bisecting: 3024 revisions left to test after this (roughly 12 steps)
[13a6ebd9084a398b93e3e06ca59254df9aa95336] selftests: xsk: Remove unused variables

testing commit 13a6ebd9084a398b93e3e06ca59254df9aa95336
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel/trace/bpf_trace.c:717:47: error: expected ')' before 'struct'
kernel/trace/bpf_trace.c:1051:11: error: 'bpf_get_current_task_btf_proto' undeclared (first use in this function); did you mean 'bpf_get_current_task_proto'?
# git bisect skip 13a6ebd9084a398b93e3e06ca59254df9aa95336
Bisecting: 3024 revisions left to test after this (roughly 12 steps)
[8fba8acd399b70aeb262983d32baa9cbbf7dc981] soundwire: cadence: add debugfs interface for PDI loopbacks

testing commit 8fba8acd399b70aeb262983d32baa9cbbf7dc981
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 580679b898e17e5145892422a7b503769318a45df17fa756f72687dcf7444281
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: crashed: WARNING: ODEBUG bug in blk_mq_hw_sysfs_release
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect good 8fba8acd399b70aeb262983d32baa9cbbf7dc981
Bisecting: 3008 revisions left to test after this (roughly 12 steps)
[6bdad3bb7eb1d91e10998eb21b6f9159064b53af] media: atomisp: Fix whitespace at the beginning of line

testing commit 6bdad3bb7eb1d91e10998eb21b6f9159064b53af
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d12082b2d0ef6ef3a23cb9238c2c61032abbe46f0d20515cc35e7a18d68ce245
run #0: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
run #1: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 6bdad3bb7eb1d91e10998eb21b6f9159064b53af
Bisecting: 56 revisions left to test after this (roughly 6 steps)
[71e3a18114ebdb48482d731d04bff7a222036381] media: ti-vpe: cal: allow more than 1 source pads

testing commit 71e3a18114ebdb48482d731d04bff7a222036381
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d77b7a83b2a8ec450c2c261b54fc882fe51274fd0cabb31ce93bdb03f5f2335b
run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in stack_depot_save
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
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 71e3a18114ebdb48482d731d04bff7a222036381
Bisecting: 27 revisions left to test after this (roughly 5 steps)
[bbdb9ae8d470715f85a690d7d2c7b54e7cff9cd6] media: ti-vpe: cal: use v4l2_get_link_freq

testing commit bbdb9ae8d470715f85a690d7d2c7b54e7cff9cd6
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d77b7a83b2a8ec450c2c261b54fc882fe51274fd0cabb31ce93bdb03f5f2335b
run #0: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
run #1: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
run #2: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
run #3: crashed: general protection fault in rcu_segcblist_enqueue
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect good bbdb9ae8d470715f85a690d7d2c7b54e7cff9cd6
Bisecting: 13 revisions left to test after this (roughly 4 steps)
[7d167e68d8c790ed8afafd772c3fe77e8aeb55bd] media: ti-vpe: cal: add vc and datatype fields to cal_ctx

testing commit 7d167e68d8c790ed8afafd772c3fe77e8aeb55bd
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d77b7a83b2a8ec450c2c261b54fc882fe51274fd0cabb31ce93bdb03f5f2335b
run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in stack_depot_save
run #1: crashed: WARNING: ODEBUG bug in blk_mq_hw_sysfs_release
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect good 7d167e68d8c790ed8afafd772c3fe77e8aeb55bd
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[2e7e09a902c6e4121a91a2f9d597228474cabe4c] media: ti-vpe: cal: remove cal_camerarx->fmtinfo

testing commit 2e7e09a902c6e4121a91a2f9d597228474cabe4c
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d77b7a83b2a8ec450c2c261b54fc882fe51274fd0cabb31ce93bdb03f5f2335b
run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in stack_depot_save
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
run #10: crashed: WARNING: ODEBUG bug in blk_mq_hw_sysfs_release
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect good 2e7e09a902c6e4121a91a2f9d597228474cabe4c
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[892c37f8a3d673b945e951a8754695c119a2b1b0] media: ti-vpe: cal: fix queuing of the initial buffer

testing commit 892c37f8a3d673b945e951a8754695c119a2b1b0
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d77b7a83b2a8ec450c2c261b54fc882fe51274fd0cabb31ce93bdb03f5f2335b
run #0: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
run #1: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
run #2: crashed: BUG: spinlock bad magic in synchronize_srcu
run #3: crashed: WARNING: ODEBUG bug in blk_mq_hw_sysfs_release
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect good 892c37f8a3d673b945e951a8754695c119a2b1b0
Bisecting: 1 revision left to test after this (roughly 1 step)
[6cb0eee34c24b0052da554ff2ef9def8a10bbf96] media: ti-vpe: cal: add camerarx locking

testing commit 6cb0eee34c24b0052da554ff2ef9def8a10bbf96
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d77b7a83b2a8ec450c2c261b54fc882fe51274fd0cabb31ce93bdb03f5f2335b
run #0: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
run #1: crashed: WARNING: ODEBUG bug in blk_mq_hw_sysfs_release
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect good 6cb0eee34c24b0052da554ff2ef9def8a10bbf96
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[9eaca40c0d13a21848b5a35dc8c37dc3690a4ff1] media: ti-vpe: cal: add camerarx enable/disable refcounting

testing commit 9eaca40c0d13a21848b5a35dc8c37dc3690a4ff1
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d77b7a83b2a8ec450c2c261b54fc882fe51274fd0cabb31ce93bdb03f5f2335b
run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in stack_depot_save
run #1: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 9eaca40c0d13a21848b5a35dc8c37dc3690a4ff1
9eaca40c0d13a21848b5a35dc8c37dc3690a4ff1 is the first bad commit
commit 9eaca40c0d13a21848b5a35dc8c37dc3690a4ff1
Author: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Date:   Mon Jun 14 13:23:43 2021 +0200

    media: ti-vpe: cal: add camerarx enable/disable refcounting
    
    The following patches add multistream support and we will have multiple
    video devices using the same camerarx instances. Thus we need
    enable/disable refcounting for the camerarx.
    
    Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
    Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
    Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
    Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

 drivers/media/platform/ti-vpe/cal-camerarx.c | 10 ++++++++++
 drivers/media/platform/ti-vpe/cal.h          |  3 +++
 2 files changed, 13 insertions(+)

culprit signature: d77b7a83b2a8ec450c2c261b54fc882fe51274fd0cabb31ce93bdb03f5f2335b
parent  signature: d77b7a83b2a8ec450c2c261b54fc882fe51274fd0cabb31ce93bdb03f5f2335b
Reproducer flagged being flaky
revisions tested: 12, total time: 3h20m9.833938024s (build: 1h27m26.527975073s, test: 1h51m0.719055761s)
first good commit: 9eaca40c0d13a21848b5a35dc8c37dc3690a4ff1 media: ti-vpe: cal: add camerarx enable/disable refcounting
recipients (to): ["hverkuil-cisco@xs4all.nl" "laurent.pinchart@ideasonboard.com" "mchehab+huawei@kernel.org" "tomi.valkeinen@ideasonboard.com"]
recipients (cc): []