ci starts bisection 2024-08-31 04:17:21.634081271 +0000 UTC m=+100.295791098
bisecting cause commit starting from fbdaffe41adca26cb9566e92060b97cd6dd87b60
building syzkaller on f885a8ff9168f5e83a85ec9b1b02764e02c0f4e8
ensuring issue is reproducible on original commit fbdaffe41adca26cb9566e92060b97cd6dd87b60

testing commit fbdaffe41adca26cb9566e92060b97cd6dd87b60 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 306fa9eab11a586a50917b793067ddb5490e1c10e649d6d2216f6eb07dd1d7d4
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit fbdaffe41adca26cb9566e92060b97cd6dd87b60 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 643ed0d8102ed9d7a9ca88a6524a8b5e21eb79a1ec29503a5394cb3052fa04b2
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
kconfig minimization: base=4045 full=8138 leaves diff=2106
split chunks (needed=false): <2106>
split chunk #0 of len 2106 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit fbdaffe41adca26cb9566e92060b97cd6dd87b60 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7380deb1307d6071910c42b3f66c44ab3be800c89a580e1c9f590405b328f266
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit fbdaffe41adca26cb9566e92060b97cd6dd87b60 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cdc442a1ab4d61256cc45e0405ff30eb719ad106e12338a99ba9d0e861c357fb
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed
testing commit fbdaffe41adca26cb9566e92060b97cd6dd87b60 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1c96407b5b03a6616b57eb0cabd36a38237e0d62aad2f6df12a60db62cef3cef
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed
testing commit fbdaffe41adca26cb9566e92060b97cd6dd87b60 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: df1b61b102c9a16e82929c44f8db84cedbe5868fc5783006eb0bd13498242d47
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit fbdaffe41adca26cb9566e92060b97cd6dd87b60 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d01203665dc5bc42f8978d47b202540e50147d7f56d67a627e43655a9b1d2652
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
the chunk can be dropped
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
picked [v6.10 v6.9 v6.8 v6.6 v6.4 v6.2 v6.0 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 33 release tags
testing release v6.10
testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d26171f70bddb6b85c18f3d49436ef97d041921a53141d1306e92413fcb98a43
all runs: OK
false negative chance: 0.000
# git bisect start fbdaffe41adca26cb9566e92060b97cd6dd87b60 0c3836482481200ead7b416ca80c68a29cfdaabd
Bisecting: 6975 revisions left to test after this (roughly 13 steps)
[b3ce7a30847a54a7f96a35e609303d8afecd460b] Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel

testing commit b3ce7a30847a54a7f96a35e609303d8afecd460b gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5e92afdd9e4e614764fcb8f986cb2538b64e9372961cc7ff2b9779d4e1a51c9b
all runs: OK
false negative chance: 0.000
# git bisect good b3ce7a30847a54a7f96a35e609303d8afecd460b
Bisecting: 3284 revisions left to test after this (roughly 12 steps)
[fbc90c042cd1dc7258ebfebe6d226017e5b5ac8c] Merge tag 'mm-stable-2024-07-21-14-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

testing commit fbc90c042cd1dc7258ebfebe6d226017e5b5ac8c gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 19f14c80673844839c76ed742c575c57951d52df04c14c3d0b0081a4ae236fd0
run #0: crashed: lost connection to test machine
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
representative crash: lost connection to test machine, types: [UNKNOWN]
unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10
# git bisect skip fbc90c042cd1dc7258ebfebe6d226017e5b5ac8c
Bisecting: 3284 revisions left to test after this (roughly 12 steps)
[973a57891608a98e894db2887f278777f564de18] usb: gadget: core: Check for unset descriptor

testing commit 973a57891608a98e894db2887f278777f564de18 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 97c0b4d0e49041bf281e178f0b86f5ecafec416469e0df21412d5a7ce9840f33
all runs: OK
false negative chance: 0.000
# git bisect good 973a57891608a98e894db2887f278777f564de18
Bisecting: 1028 revisions left to test after this (roughly 10 steps)
[a6f78359ac75f24cac3c1bdd753c49c1877bcd82] drm/xe: Fix missing workqueue destroy in xe_gt_pagefault

testing commit a6f78359ac75f24cac3c1bdd753c49c1877bcd82 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 87d6a4304ae705a65103553d6744ab86e4302c7f684ac75923ff3942038df313
all runs: OK
false negative chance: 0.000
# git bisect good a6f78359ac75f24cac3c1bdd753c49c1877bcd82
Bisecting: 488 revisions left to test after this (roughly 9 steps)
[761d527d5d0036b98a2cecf4de1293d84d452aa1] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

testing commit 761d527d5d0036b98a2cecf4de1293d84d452aa1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8ee7abf0a03e2cc98f5949964889eaaab53ff6de8cfe0a0fda4dbf6530f86b89
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
# git bisect bad 761d527d5d0036b98a2cecf4de1293d84d452aa1
Bisecting: 269 revisions left to test after this (roughly 8 steps)
[9a4c07aaa0f54dd2ddd9e772be9b9ece27b229f0] ice: add parser execution main loop

testing commit 9a4c07aaa0f54dd2ddd9e772be9b9ece27b229f0 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8e5e333a1d66c079892a1073d0306b7b24614d1c28e34db74f0b5e5ef3d37a00
all runs: OK
false negative chance: 0.000
# git bisect good 9a4c07aaa0f54dd2ddd9e772be9b9ece27b229f0
Bisecting: 134 revisions left to test after this (roughly 7 steps)
[aa0743a229366e8c1963f1b72a1c974a9d15f08f] Merge tag 'net-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

testing commit aa0743a229366e8c1963f1b72a1c974a9d15f08f gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d6794fe59567bd8d6d202d7d6694da70e028ae0c5c97dbd032c4a9d4008a6f76
all runs: OK
false negative chance: 0.000
# git bisect good aa0743a229366e8c1963f1b72a1c974a9d15f08f
Bisecting: 66 revisions left to test after this (roughly 6 steps)
[2dce239099d2e18aef7f36a5da43c4c33712d773] Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue

testing commit 2dce239099d2e18aef7f36a5da43c4c33712d773 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 648d4fb16857eb64dbc115322b1d057737baaaf773bb9c70ea7b5902e15cf451
all runs: OK
false negative chance: 0.000
# git bisect good 2dce239099d2e18aef7f36a5da43c4c33712d773
Bisecting: 33 revisions left to test after this (roughly 5 steps)
[488d34643ec3f4ce5ce120846fc81412534e9af1] nfc: pn533: Avoid -Wflex-array-member-not-at-end warnings

testing commit 488d34643ec3f4ce5ce120846fc81412534e9af1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 067e7e098f68eff05fae6c319e415d6f593e7316b9efd65c0269754b686fa8e3
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
# git bisect bad 488d34643ec3f4ce5ce120846fc81412534e9af1
Bisecting: 15 revisions left to test after this (roughly 4 steps)
[8fed54758cd248cd311a2b5c1e180abef1866237] ipv4: Mask upper DSCP bits and ECN bits in NETLINK_FIB_LOOKUP family

testing commit 8fed54758cd248cd311a2b5c1e180abef1866237 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cfeda4dd7e91c4f1cd23bf81c9e5f11485029d559a95fab632ddc491eee736b2
all runs: OK
false negative chance: 0.000
# git bisect good 8fed54758cd248cd311a2b5c1e180abef1866237
Bisecting: 7 revisions left to test after this (roughly 3 steps)
[55da77dec1be92afafb5683cc28a60bc2cc83716] dt-bindings: net: mediatek,net: narrow interrupts per variants

testing commit 55da77dec1be92afafb5683cc28a60bc2cc83716 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b54738ddb8a10d182b27c852a343b232319e0ae09788c9795449509bcf921768
all runs: OK
false negative chance: 0.000
# git bisect good 55da77dec1be92afafb5683cc28a60bc2cc83716
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[8594d9b85c07f05e431bd07e895c2a3ad9b85d6f] af_unix: Don't call skb_get() for OOB skb.

testing commit 8594d9b85c07f05e431bd07e895c2a3ad9b85d6f gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 37b8226dcd32dc441bbba6349e7f94e866048747b9180fd4c09260c149f90f30
all runs: crashed: KASAN: slab-use-after-free Read in unix_stream_read_actor
representative crash: KASAN: slab-use-after-free Read in unix_stream_read_actor, types: [KASAN]
# git bisect bad 8594d9b85c07f05e431bd07e895c2a3ad9b85d6f
Bisecting: 1 revision left to test after this (roughly 1 step)
[70d16e13368c0526eb3e2a326ed002183a087c21] dt-bindings: net: renesas,etheravb: add top-level constraints

testing commit 70d16e13368c0526eb3e2a326ed002183a087c21 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 306862e670c82b66c41c880f9b2bd8b55dcf936caeefd7f44fa8661dd7d44f1d
run #0: crashed: lost connection to test machine
run #1: crashed: lost connection to test machine
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: lost connection to test machine, types: [UNKNOWN]
# git bisect bad 70d16e13368c0526eb3e2a326ed002183a087c21
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[06ab21c3cb6e124bdc2da226f38bc8eb45946887] dt-bindings: net: mediatek,net: add top-level constraints

testing commit 06ab21c3cb6e124bdc2da226f38bc8eb45946887 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2a48e8d1627666391cfab3c6fe8d950fa061c5946529fc6357eaacc51ab210a0
run #0: crashed: lost connection to test machine
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: crashed: lost connection to test machine
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
representative crash: lost connection to test machine, types: [UNKNOWN]
unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20
# git bisect skip 06ab21c3cb6e124bdc2da226f38bc8eb45946887
There are only 'skip'ped commits left to test.
The first bad commit could be any of:
06ab21c3cb6e124bdc2da226f38bc8eb45946887
70d16e13368c0526eb3e2a326ed002183a087c21
We cannot bisect more!

accumulated error probability: 0.00
reproducer is flaky (0.60 repro chance estimate)
revisions tested: 22, total time: 8h35m14.445315278s (build: 2h12m54.917332925s, test: 2h29m27.559789435s)
bisection is inconclusive, the first bad commit could be any of:
06ab21c3cb6e124bdc2da226f38bc8eb45946887
70d16e13368c0526eb3e2a326ed002183a087c21