bisecting cause commit starting from d1d2220c7f39d0fca302c4ba6cca4ede01660a2b
building syzkaller on 2d5ea0cb6edb828803beea8af38dbc04dc80f028
testing commit d1d2220c7f39d0fca302c4ba6cca4ede01660a2b with gcc (GCC) 8.1.0
kernel signature: 201041663a3c7daa9173ae3e6c70884fe274f8bfddd4af462de29c6860d51696
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in io_uring_flush
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in io_uring_flush
run #2: crashed: WARNING in kthread_park
run #3: crashed: WARNING in kthread_park
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in io_uring_flush
run #5: crashed: WARNING in kthread_park
run #6: crashed: WARNING in kthread_park
run #7: crashed: WARNING in kthread_park
run #8: crashed: WARNING in kthread_park
run #9: crashed: WARNING in kthread_park
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0
kernel signature: 5ea3e81ce8f79bc4f821b9c1848dc11a3323177aaad6af3614759e4f5d7929f8
all runs: OK
# git bisect start d1d2220c7f39d0fca302c4ba6cca4ede01660a2b bcf876870b95592b52519ed4aafcf9d95999bc9c
Bisecting: 13011 revisions left to test after this (roughly 14 steps)
[8cd84b709647a015790a94bc809068b7a55cc05a] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
testing commit 8cd84b709647a015790a94bc809068b7a55cc05a with gcc (GCC) 8.1.0
kernel signature: 785da0bb888633e832ad5c1c483a947fce5ec5dda5880608ab8608ef71e7d995
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip 8cd84b709647a015790a94bc809068b7a55cc05a
Bisecting: 13011 revisions left to test after this (roughly 14 steps)
[e26a2abcc2465ee8e8fd9a19ac1a418d08973b94] ASoC: samsung: neo1973: turn into platform driver
testing commit e26a2abcc2465ee8e8fd9a19ac1a418d08973b94 with gcc (GCC) 8.1.0
kernel signature: b789b45bc5d55de4f9bb52894bcc71753713a35d9d15b1569cdd52d29761161a
all runs: OK
# git bisect good e26a2abcc2465ee8e8fd9a19ac1a418d08973b94
Bisecting: 5498 revisions left to test after this (roughly 13 steps)
[86192305f578acd3d9da931037421c4627087755] Merge remote-tracking branch 'net-next/master' into master
testing commit 86192305f578acd3d9da931037421c4627087755 with gcc (GCC) 8.1.0
failed to run ["make" "bzImage" "CC=/syzkaller/bisect_bin/gcc-8.1.0/bin/gcc" "-j64"]: exit status 2
# git bisect skip 86192305f578acd3d9da931037421c4627087755
Bisecting: 5498 revisions left to test after this (roughly 13 steps)
[be9e8d9541a95bdfac1c13d112cc032ea7fc745f] x86/kaslr: Simplify process_gb_huge_pages()
testing commit be9e8d9541a95bdfac1c13d112cc032ea7fc745f with gcc (GCC) 8.1.0
kernel signature: 274d36ddfd23df4e1352fa30bea0da6257f1a2094fa334f9e7ed52624b9ab6f8
all runs: OK
# git bisect good be9e8d9541a95bdfac1c13d112cc032ea7fc745f
Bisecting: 5486 revisions left to test after this (roughly 13 steps)
[109cea5a594f921632ca599b385aaa0575971045] libbpf: Sanitize BPF program code for bpf_probe_read_{kernel, user}[_str]
testing commit 109cea5a594f921632ca599b385aaa0575971045 with gcc (GCC) 8.1.0
kernel signature: 98e967887db669159c3f4066bee04574ab603d0330d54ad0aae05df545702a2e
all runs: OK
# git bisect good 109cea5a594f921632ca599b385aaa0575971045
Bisecting: 5486 revisions left to test after this (roughly 13 steps)
[9fb030a70431a2a2a1b292dbf0b2f399cc072c16] drivers/net/wan/hdlc: Set skb->protocol before transmitting
testing commit 9fb030a70431a2a2a1b292dbf0b2f399cc072c16 with gcc (GCC) 8.1.0
kernel signature: 8a31ac5dfbb884596178207314f45c46f6fa9439f4640b970dd6fabadc48d514
all runs: OK
# git bisect good 9fb030a70431a2a2a1b292dbf0b2f399cc072c16
Bisecting: 5486 revisions left to test after this (roughly 13 steps)
[9acfcb7f241fcec6f63fa223fef66c918ecedc72] Merge branch 'v5.10/dt64' into tmp/aml-rebuild
testing commit 9acfcb7f241fcec6f63fa223fef66c918ecedc72 with gcc (GCC) 8.1.0
kernel signature: eb04680aa5867ff3ef698af0c9dc4e62568457a997f4b0c925e1129fde0bbd24
all runs: OK
# git bisect good 9acfcb7f241fcec6f63fa223fef66c918ecedc72
Bisecting: 5340 revisions left to test after this (roughly 12 steps)
[e20115714b3077cd4c7529d1be9a7656f79c81dd] Merge remote-tracking branch 'nand/nand/next' into master
testing commit e20115714b3077cd4c7529d1be9a7656f79c81dd with gcc (GCC) 8.1.0
failed to run ["make" "bzImage" "CC=/syzkaller/bisect_bin/gcc-8.1.0/bin/gcc" "-j64"]: exit status 2
# git bisect skip e20115714b3077cd4c7529d1be9a7656f79c81dd
Bisecting: 5340 revisions left to test after this (roughly 12 steps)
[0d81951dad5a0807277d2751ba2b4f98818b049d] iio: magnetometer: mag3110: Simplify with dev_err_probe()
testing commit 0d81951dad5a0807277d2751ba2b4f98818b049d with gcc (GCC) 8.1.0
kernel signature: 1c436f2df404fbf80e3dd124f6436e59d8b5b49cff20778d4afbb7e25b98f920
all runs: OK
# git bisect good 0d81951dad5a0807277d2751ba2b4f98818b049d
Bisecting: 5256 revisions left to test after this (roughly 12 steps)
[e2b51c437af57fc57629f88adaa9665d2063c8da] Merge remote-tracking branch 'mtd/mtd/next' into master
testing commit e2b51c437af57fc57629f88adaa9665d2063c8da with gcc (GCC) 8.1.0
failed to run ["make" "bzImage" "CC=/syzkaller/bisect_bin/gcc-8.1.0/bin/gcc" "-j64"]: exit status 2
# git bisect skip e2b51c437af57fc57629f88adaa9665d2063c8da
Bisecting: 5256 revisions left to test after this (roughly 12 steps)
[fd1eacd2a11f7d392bc36a9959334b6480a9bbc3] Merge branch 'for-4.18/upstream-fixes_v2' into for-next
testing commit fd1eacd2a11f7d392bc36a9959334b6480a9bbc3 with gcc (GCC) 8.1.0
certs/signing_key.pem: Permission denied
# git bisect skip fd1eacd2a11f7d392bc36a9959334b6480a9bbc3
Bisecting: 5256 revisions left to test after this (roughly 12 steps)
[f7af425dce9d572ad421b14dd94642457da40ad2] drm/i915/lspcon: Do not send infoframes to non-HDMI sinks
testing commit f7af425dce9d572ad421b14dd94642457da40ad2 with gcc (GCC) 8.1.0
kernel signature: 1d8dea5f8d4910ca46771c554d9fb85f01aaa85a58b72fd28dabae1312a83e89
all runs: OK
# git bisect good f7af425dce9d572ad421b14dd94642457da40ad2
Bisecting: 4495 revisions left to test after this (roughly 12 steps)
[5506264ae5c22609271e7e5ec898759387d96ab2] Merge branch 'ras/core'
testing commit 5506264ae5c22609271e7e5ec898759387d96ab2 with gcc (GCC) 8.1.0
kernel signature: 32089002b6b93bef94cd3839c40194a275c83df0fc9c35e8a35f3a86e0fe01f4
all runs: OK
# git bisect good 5506264ae5c22609271e7e5ec898759387d96ab2
Bisecting: 4153 revisions left to test after this (roughly 12 steps)
[b0e222bd44166fe45f5d3b0c7523bf66d4183970] coresight: etm3x: Allow etm3x to be built as a module
testing commit b0e222bd44166fe45f5d3b0c7523bf66d4183970 with gcc (GCC) 8.1.0
kernel signature: 064e8980fdbc6fd0f60102c47fb8e15c5049ac1879127bc9847072c3aeff4a25
all runs: OK
# git bisect good b0e222bd44166fe45f5d3b0c7523bf66d4183970
Bisecting: 4048 revisions left to test after this (roughly 12 steps)
[f9e8785da5a6fb1da11e7233d8720254ef1995a5] ARM: dts: exynos: add input clock to CMU in Exynos3250
testing commit f9e8785da5a6fb1da11e7233d8720254ef1995a5 with gcc (GCC) 8.1.0
kernel signature: b789b45bc5d55de4f9bb52894bcc71753713a35d9d15b1569cdd52d29761161a
all runs: OK
# git bisect good f9e8785da5a6fb1da11e7233d8720254ef1995a5
Bisecting: 4048 revisions left to test after this (roughly 12 steps)
[3b7e44843f75ecf42866c953dac4c41ac9a1a9b9] media: staging: rkisp1: improve documentation of rkisp1-common.h
testing commit 3b7e44843f75ecf42866c953dac4c41ac9a1a9b9 with gcc (GCC) 8.1.0
kernel signature: ee2fa9ce5e4100988ed542507b66cc84e9dae9ceb346bae8cc8f1ef6125e9187
all runs: OK
# git bisect good 3b7e44843f75ecf42866c953dac4c41ac9a1a9b9
Bisecting: 4048 revisions left to test after this (roughly 12 steps)
[de11ec5fedd90a58917059a5f3c1d86154fe5744] Merge branch 'for-5.9/upstream-fixes' into for-next
testing commit de11ec5fedd90a58917059a5f3c1d86154fe5744 with gcc (GCC) 8.1.0
kernel signature: 08d4a410d25ea714cd7232ae3434bf70ed83048320381c55a3f1ebae1194720d
all runs: OK
# git bisect good de11ec5fedd90a58917059a5f3c1d86154fe5744
Bisecting: 4048 revisions left to test after this (roughly 12 steps)
[aebebcf910c4d7b6b98bc7b3b573ec24543861a6] dt-bindings: pinctrl: Add bindings for Actions S500 SoC
testing commit aebebcf910c4d7b6b98bc7b3b573ec24543861a6 with gcc (GCC) 8.1.0
kernel signature: b789b45bc5d55de4f9bb52894bcc71753713a35d9d15b1569cdd52d29761161a
all runs: OK
# git bisect good aebebcf910c4d7b6b98bc7b3b573ec24543861a6
Bisecting: 4043 revisions left to test after this (roughly 12 steps)
[3584ba4c78f719a081ba140db0662aacdd00190f] ASoC: SOF: append extended data to sof_ipc_comp_tone
testing commit 3584ba4c78f719a081ba140db0662aacdd00190f with gcc (GCC) 8.1.0
kernel signature: 74939a3885c1c8450fd56ed69218cea1ec0ada825a2fb231d2741009e736be1c
all runs: OK
# git bisect good 3584ba4c78f719a081ba140db0662aacdd00190f
Bisecting: 3845 revisions left to test after this (roughly 12 steps)
[2b3cef0fc757bd06ed9b83bd4c436bfa55f47370] spi: fsi: Handle 9 to 15 byte transfers lengths
testing commit 2b3cef0fc757bd06ed9b83bd4c436bfa55f47370 with gcc (GCC) 8.1.0
kernel signature: d80bbee322812920cde050ff70dc8e1cd0c0b6b40149335cc6708c3507a086f3
all runs: OK
# git bisect good 2b3cef0fc757bd06ed9b83bd4c436bfa55f47370
Bisecting: 3787 revisions left to test after this (roughly 12 steps)
[63642595a78da42f841fabcc3f309f4c1362dc40] soundwire: add definition for maximum number of ports
testing commit 63642595a78da42f841fabcc3f309f4c1362dc40 with gcc (GCC) 8.1.0
kernel signature: 75d850eca0d533e898f82637e856b824003d3a8782b8b53ca0973b1fe66aa59e
all runs: OK
# git bisect good 63642595a78da42f841fabcc3f309f4c1362dc40
Bisecting: 3770 revisions left to test after this (roughly 12 steps)
[0d2510bb636cc7d57f6f9c5f0faa3972d6449630] Merge remote-tracking branch 'thermal/thermal/linux-next' into master
testing commit 0d2510bb636cc7d57f6f9c5f0faa3972d6449630 with gcc (GCC) 8.1.0
failed to run ["make" "bzImage" "CC=/syzkaller/bisect_bin/gcc-8.1.0/bin/gcc" "-j64"]: exit status 2
# git bisect skip 0d2510bb636cc7d57f6f9c5f0faa3972d6449630
Bisecting: 3770 revisions left to test after this (roughly 12 steps)
[a39511cc8fca91f6b323638fc62198f9e99e0e13] Merge branch 'next/dt' into for-next
testing commit a39511cc8fca91f6b323638fc62198f9e99e0e13 with gcc (GCC) 8.1.0
kernel signature: b789b45bc5d55de4f9bb52894bcc71753713a35d9d15b1569cdd52d29761161a
all runs: OK
# git bisect good a39511cc8fca91f6b323638fc62198f9e99e0e13
Bisecting: 3770 revisions left to test after this (roughly 12 steps)
[948c47e9bcb6a42229cb1da1cc350c887a33ebb8] fs: dlm: handle possible othercon writequeues
testing commit 948c47e9bcb6a42229cb1da1cc350c887a33ebb8 with gcc (GCC) 8.1.0
kernel signature: 48b2e750fbc841769aec10057de3b7dfd87d23d549fd15e57d5dab4637c9fe14
all runs: OK
# git bisect good 948c47e9bcb6a42229cb1da1cc350c887a33ebb8
Bisecting: 3770 revisions left to test after this (roughly 12 steps)
[0d574ad33e5b70383b4cee81024fcb8763aac591] s390/zcrypt: simplify cca_findcard2 loop code
testing commit 0d574ad33e5b70383b4cee81024fcb8763aac591 with gcc (GCC) 8.1.0
kernel signature: e588876caec52590ffd992e99ad5450080d7c2c114ebc921156da0e57d2096d0
all runs: OK
# git bisect good 0d574ad33e5b70383b4cee81024fcb8763aac591
Bisecting: 3770 revisions left to test after this (roughly 12 steps)
[8fee79ed8ea23c241e55fb5f6fd935d330f074f6] scsi: mptctl: Remove unneeded cast from memory allocation
testing commit 8fee79ed8ea23c241e55fb5f6fd935d330f074f6 with gcc (GCC) 8.1.0
kernel signature: b789b45bc5d55de4f9bb52894bcc71753713a35d9d15b1569cdd52d29761161a
all runs: OK
# git bisect good 8fee79ed8ea23c241e55fb5f6fd935d330f074f6
Bisecting: 3732 revisions left to test after this (roughly 12 steps)
[098c2fc6d91d11bfa0d0b7db0b1b0a5a19a80867] net: mventa: remove unused variable 'dummy' in mvneta_mib_counters_clear()
testing commit 098c2fc6d91d11bfa0d0b7db0b1b0a5a19a80867 with gcc (GCC) 8.1.0
kernel signature: 7dfba7c09538917c7dd7e8555e0bfe3f8f8388436b45e7a7518bf4aba8ed2431
all runs: OK
# git bisect good 098c2fc6d91d11bfa0d0b7db0b1b0a5a19a80867
Bisecting: 3472 revisions left to test after this (roughly 12 steps)
[fd2734410fdf2993d3754e9afdf3da54052dfeec] Merge remote-tracking branch 'crypto/master' into master
testing commit fd2734410fdf2993d3754e9afdf3da54052dfeec with gcc (GCC) 8.1.0
failed to run ["make" "bzImage" "CC=/syzkaller/bisect_bin/gcc-8.1.0/bin/gcc" "-j64"]: exit status 2
# git bisect skip fd2734410fdf2993d3754e9afdf3da54052dfeec
Bisecting: 3472 revisions left to test after this (roughly 12 steps)
[82cac71c1b646e581bd4f5c054982fcaf5b9f70f] drm/amd/pm: put Navi1X umc cdr workaround in post_smu_init
testing commit 82cac71c1b646e581bd4f5c054982fcaf5b9f70f with gcc (GCC) 8.1.0
kernel signature: 3c4d695e3b74aa67d07b674845dfd327b4e87ad02df50f8ab0eb3056ce1a6915
all runs: OK
# git bisect good 82cac71c1b646e581bd4f5c054982fcaf5b9f70f
Bisecting: 3495 revisions left to test after this (roughly 12 steps)
[81ebea5352e5738f50e23a3897428951fe1f8448] Bluetooth: btintel: Functions to send firmware header / payload
testing commit 81ebea5352e5738f50e23a3897428951fe1f8448 with gcc (GCC) 8.1.0
kernel signature: 5b3a404a8aad3c28e07da02b9d6dffcb2cdad0262830060cc5d549ae9cdc5e2d
all runs: OK
# git bisect good 81ebea5352e5738f50e23a3897428951fe1f8448
Bisecting: 3381 revisions left to test after this (roughly 12 steps)
[bc7ca6a647bf3c073a109d4ff0e8cad773a2f1d9] drm/i915: DP->HDMI TMDS clock limits vs. deep color
testing commit bc7ca6a647bf3c073a109d4ff0e8cad773a2f1d9 with gcc (GCC) 8.1.0
kernel signature: ee5294141082d91ce8cf04bba53b01059aa106ac23d3ce7a71a43caaeca63165
all runs: OK
# git bisect good bc7ca6a647bf3c073a109d4ff0e8cad773a2f1d9
Bisecting: 3481 revisions left to test after this (roughly 12 steps)
[cfc24a0aa7a1f263f9e4fd7d470b245a7a15df19] can: mcp251x: sort include files alphabetically
testing commit cfc24a0aa7a1f263f9e4fd7d470b245a7a15df19 with gcc (GCC) 8.1.0
kernel signature: 7193b3186433d2816ff5e13e3f637546b515893b78adbaeba7ce839083f12e67
all runs: OK
# git bisect good cfc24a0aa7a1f263f9e4fd7d470b245a7a15df19
Bisecting: 3367 revisions left to test after this (roughly 12 steps)
[ab600f68a352e7d01e2399724f691ff2d23132f0] Merge remote-tracking branch 'drm-misc/for-linux-next' into master
testing commit ab600f68a352e7d01e2399724f691ff2d23132f0 with gcc (GCC) 8.1.0
failed to run ["make" "bzImage" "CC=/syzkaller/bisect_bin/gcc-8.1.0/bin/gcc" "-j64"]: exit status 2
# git bisect skip ab600f68a352e7d01e2399724f691ff2d23132f0
Bisecting: 3367 revisions left to test after this (roughly 12 steps)
[bfe9d754257cdf026ecf7ccac7180e79b5714303] arm64: dts: qcom: msm8916: Move PM8916-specific parts to msm8916-pm8916.dtsi
testing commit bfe9d754257cdf026ecf7ccac7180e79b5714303 with gcc (GCC) 8.1.0
kernel signature: b789b45bc5d55de4f9bb52894bcc71753713a35d9d15b1569cdd52d29761161a
all runs: OK
# git bisect good bfe9d754257cdf026ecf7ccac7180e79b5714303
Bisecting: 3367 revisions left to test after this (roughly 12 steps)
[e47168f3d1b14af5281cf50c59561d59d28201f9] powerpc/8xx: Support 16k hugepages with 4k pages
testing commit e47168f3d1b14af5281cf50c59561d59d28201f9 with gcc (GCC) 8.1.0
kernel signature: 9b6db5e5e56012d19b449d68267d5781f0359df9d86105059e83d39bdcca749b
all runs: OK
# git bisect good e47168f3d1b14af5281cf50c59561d59d28201f9
Bisecting: 3367 revisions left to test after this (roughly 12 steps)
[f0e64305cf741c6f6f5fff2545dcb0d23218b2e7] iio: frequency: adf4350: Replace indio_dev->mlock with own device lock
testing commit f0e64305cf741c6f6f5fff2545dcb0d23218b2e7 with gcc (GCC) 8.1.0
kernel signature: 1c436f2df404fbf80e3dd124f6436e59d8b5b49cff20778d4afbb7e25b98f920
all runs: OK
# git bisect good f0e64305cf741c6f6f5fff2545dcb0d23218b2e7
Bisecting: 3323 revisions left to test after this (roughly 12 steps)
[ba9d1d3e3e7c34826b62498f7d6563b73c22ac13] arm64: cpufeature: Modify address authentication cpufeature to exact
testing commit ba9d1d3e3e7c34826b62498f7d6563b73c22ac13 with gcc (GCC) 8.1.0
kernel signature: 94acc25950cbad69064b3912ba845b60cb9ed66fa8e4aeb5034b144a07ff3f64
all runs: OK
# git bisect good ba9d1d3e3e7c34826b62498f7d6563b73c22ac13
Bisecting: 3323 revisions left to test after this (roughly 12 steps)
[10740255d8beb78c6d3fd7a332f1a0e3e7dff878] drm: exynos: use common helper for a scatterlist contiguity check
revisions tested: 39, total time: 8h3m13.30179444s (build: 2h54m53.457228501s, test: 5h3m45.800217078s)
error: bisection is taking too long (>8h0m0s), aborting