ci2 starts bisection 2023-09-10 02:31:01.247598952 +0000 UTC m=+130849.520923625
bisecting cause commit starting from cd94fe67fd3323953016b8193f5be75982da96c8
building syzkaller on 6654cf89a7909afd314ad8abd502bc0dd024112a
ensuring issue is reproducible on original commit cd94fe67fd3323953016b8193f5be75982da96c8

testing commit cd94fe67fd3323953016b8193f5be75982da96c8 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 19cba495b8e509bf1ae9be8f920a6fc39fc37458ec7dec4f012655acf428bae7
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
check whether we can drop unnecessary instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
testing commit cd94fe67fd3323953016b8193f5be75982da96c8 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f2f6c7db120dec71a34bc236bbda49a23f580c822b6475e611f5800522bed398
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
the bug reproduces without the instrumentation
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
kconfig minimization: base=5179 full=6487 leaves diff=250
split chunks (needed=false): <250>
split chunk #0 of len 250 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 cd94fe67fd3323953016b8193f5be75982da96c8 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 37cab912f86772f61c67a3453392420200e704c0cffb102ffc710a45e5779f60
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit cd94fe67fd3323953016b8193f5be75982da96c8 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 950be2ce96c8532b445f9fadb257e070ae8ed28a8837e1c53a764f4b7ad10895
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit cd94fe67fd3323953016b8193f5be75982da96c8 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9455f7c37538981ae1aab4200820f2b094f7b0d6473f3d0716f973efa2f009b0
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed
testing commit cd94fe67fd3323953016b8193f5be75982da96c8 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 20f8ce3ae545f4ed796bebdf3eff4d663950e9ca7262b387ecf4021f700c835a
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit cd94fe67fd3323953016b8193f5be75982da96c8 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
failed building cd94fe67fd3323953016b8193f5be75982da96c8: net/socket.c:1225: undefined reference to `wext_handle_ioctl'
net/socket.c:3420: undefined reference to `compat_wext_handle_ioctl'
net/core/net-procfs.c:329: undefined reference to `wext_proc_init'
net/core/net-procfs.c:345: undefined reference to `wext_proc_exit'
minimized to 50 configs; suspects: [HID_ZEROPLUS USB_NET_CDC_MBIM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_DM9601 USB_NET_GL620A USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD USB_OHCI_HCD_PCI USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_PRINTER USB_SERIAL_GENERIC USB_SERIAL_PL2303 USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_TRANCEVIBRATOR USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_WDM WLAN WLAN_VENDOR_ATH WLAN_VENDOR_ATMEL WLAN_VENDOR_BROADCOM WLAN_VENDOR_INTERSIL WLAN_VENDOR_MARVELL WLAN_VENDOR_MEDIATEK WLAN_VENDOR_MICROCHIP WLAN_VENDOR_PURELIFI WLAN_VENDOR_RALINK WLAN_VENDOR_REALTEK WLAN_VENDOR_RSI WLAN_VENDOR_SILABS WLAN_VENDOR_ZYDAS X86_X32_ABI ZEROPLUS_FF]
disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed
picked [v6.1.25 v6.1.24 v6.1.13 v6.1 v6.0 v5.19 v5.17 v5.15 v5.13 v5.11 v5.9 v5.6 v5.3 v5.0 v4.19] out of 49 release tags
testing release v6.1.25
testing commit f17b0ab65d17988d5e6d6fe22f708ef3721080bf gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: bccbc5301f2fc38fec9b5fb579aa83dc5172ab9bb88055d513b0973480ecaea0
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
testing release v6.1.24
testing commit 0102425ac76bd184704c698cab7cb4fe37997556 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2d19f907885dc09907e1d55c56c8fe11785d54e4822664a1d63b7cf51b3ad3e3
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
testing release v6.1.13
testing commit 1ac8758e027247774464c808447a9c2f1f97b637 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 97b4b12a618260c26f1a6532e5f1bc0ac32755a8d49b6570dd90ac0a97c8cedf
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ad01bb0a9875da6ead445c7d0435904093281a21a2a2f15641c28c62e19b2c36
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
testing release v6.0
testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: da91f3f5cd0f7db22bec8320209ba0c6d37d0c01eb57d86a2e12695adfe8553a
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
testing release v5.19
testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: cb3986cb5c5a1bc453f58b6f2da173f6582e0608d8ca4cffa3eba57a7a43996d
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
testing release v5.17
testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 298b2d37e9b42fbfbf4edd65b4923775cee03908c6f255225e8fb48db74e9a6a
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
testing release v5.15
testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9b4dd5d6107e7feeb0bd6e36b0c39798301fa47ab302c66f33faef60ba3cd57d
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b03e98d160f489960f66f9f3af13068c3e5a442a50e000b5aee0e7e69ff14d4d
all runs: OK
false negative chance: 0.000
# git bisect start 8bb7eca972ad531c9b149c0a51ab43a417385813 62fb9874f5da54fdb243003b386128037319b219
Bisecting: 14658 revisions left to test after this (roughly 14 steps)
[d20e5880fe9df149a9159673d9fec57aab43ac61] Merge tag 'linux-can-next-for-5.15-20210725' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next

testing commit d20e5880fe9df149a9159673d9fec57aab43ac61 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2cfce4f273258ae342e569090f2db4642347c1505ea580745d69fb135514fae7
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
# git bisect bad d20e5880fe9df149a9159673d9fec57aab43ac61
Bisecting: 7382 revisions left to test after this (roughly 13 steps)
[514798d36572fb8eba6ccff3de10c9615063a7f5] Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

testing commit 514798d36572fb8eba6ccff3de10c9615063a7f5 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 459c646db89e2f94954b60652991b0d3663ce03573f1b71403b0e86410f4fd89
all runs: OK
false negative chance: 0.000
# git bisect good 514798d36572fb8eba6ccff3de10c9615063a7f5
Bisecting: 3359 revisions left to test after this (roughly 12 steps)
[a16d8644bad461bb073b92e812080ea6715ddf2b] Merge tag 'staging-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

testing commit a16d8644bad461bb073b92e812080ea6715ddf2b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 590b63e69f32d92aefd16dc2bf7636dcbfb72d07695566873923d38ae6022f95
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip a16d8644bad461bb073b92e812080ea6715ddf2b
Bisecting: 3359 revisions left to test after this (roughly 12 steps)
[f299b34ef27cea62a38265fd877a17e5b3d36f80] staging: vchiq_arm: add blank line after declarations

testing commit f299b34ef27cea62a38265fd877a17e5b3d36f80 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1d8e6f24cb0f842fcb68072c242468fbbfb1caf6cc276b9918ce6f6198d3e598
all runs: OK
false negative chance: 0.000
# git bisect good f299b34ef27cea62a38265fd877a17e5b3d36f80
Bisecting: 3359 revisions left to test after this (roughly 12 steps)
[fd9e3679af8d741de6fd514ee33421696579fb1b] RDMA/hns: Use new interface to write FRMR fields

testing commit fd9e3679af8d741de6fd514ee33421696579fb1b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ab9f0efcab0b1dc4cd2e1d4c98d8349ded740cce3ba2daf04404843c3e835612
all runs: OK
false negative chance: 0.000
# git bisect good fd9e3679af8d741de6fd514ee33421696579fb1b
Bisecting: 3359 revisions left to test after this (roughly 12 steps)
[ebd2a647e2f6b96ae8d2dec355e780b2e421bcf9] ALSA: firewire-lib: code refactoring for parser of IR context header

testing commit ebd2a647e2f6b96ae8d2dec355e780b2e421bcf9 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 36ccb552237461eafe0f477ecd9fd8080090dcdd678e3e7bf55c719e7523828c
all runs: OK
false negative chance: 0.000
# git bisect good ebd2a647e2f6b96ae8d2dec355e780b2e421bcf9
Bisecting: 3359 revisions left to test after this (roughly 12 steps)
[acad3e9c7250c5fd20d9778a163f2adc95de38f5] usb: typec: mux: Remove requirement for the "orientation-switch" device property

testing commit acad3e9c7250c5fd20d9778a163f2adc95de38f5 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e9e7cabfd26ca6d686ae18a228d8eef8049ae0b7ec02382ca85c0dbc0bd50fb8
all runs: OK
false negative chance: 0.000
# git bisect good acad3e9c7250c5fd20d9778a163f2adc95de38f5
Bisecting: 3295 revisions left to test after this (roughly 12 steps)
[76982e478de4d682cb5fca26d6d3efe2d2545722] pwm: sprd: Don't check the return code of pwmchip_remove()

testing commit 76982e478de4d682cb5fca26d6d3efe2d2545722 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 670eaac9bd570eecc1c95e15356a173b25588923cbf2392a12988b6c2a2df38b
all runs: OK
false negative chance: 0.000
# git bisect good 76982e478de4d682cb5fca26d6d3efe2d2545722
Bisecting: 3264 revisions left to test after this (roughly 12 steps)
[61d1961adf4bd57d1b2c6d94d97323263c470cb2] soc: qcom: smem_state: Add devm_qcom_smem_state_get()

testing commit 61d1961adf4bd57d1b2c6d94d97323263c470cb2 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: aad57afe0c76a548962b4ce2d2f9cc4f920542b1b5be555fe61212be31171fdc
all runs: OK
false negative chance: 0.000
# git bisect good 61d1961adf4bd57d1b2c6d94d97323263c470cb2
Bisecting: 3244 revisions left to test after this (roughly 12 steps)
[66e748ae7f82301af3b2c2bd0b3bd46d01fd7471] iio: temp: mlx90614: Handle failure in pm_runtime_resume_and_get()

testing commit 66e748ae7f82301af3b2c2bd0b3bd46d01fd7471 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a6665e67ce726623facba5e87a156fc4454e8220f96ff749a7be5950c65c80f7
all runs: OK
false negative chance: 0.000
# git bisect good 66e748ae7f82301af3b2c2bd0b3bd46d01fd7471
Bisecting: 3244 revisions left to test after this (roughly 12 steps)
[7eaf3cf3b7c5a49b3ca60e1ceb3d1d7430cc9d0e] buildid: add API to parse build ID out of buffer

testing commit 7eaf3cf3b7c5a49b3ca60e1ceb3d1d7430cc9d0e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9ff6be112aba7effec5a9be22276bfa738c1d15a22087490538e980edc7239ac
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 7eaf3cf3b7c5a49b3ca60e1ceb3d1d7430cc9d0e
Bisecting: 3244 revisions left to test after this (roughly 12 steps)
[6a6b83ca471c50a05d1b07bd9594469986106bed] mpls: defer ttl decrement in mpls_forward()

testing commit 6a6b83ca471c50a05d1b07bd9594469986106bed gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building 6a6b83ca471c50a05d1b07bd9594469986106bed: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
net/bridge/br_forward.c:51:5: error: 'struct sk_buff' has no member named 'offload_fwd_mark'
# git bisect skip 6a6b83ca471c50a05d1b07bd9594469986106bed
Bisecting: 3244 revisions left to test after this (roughly 12 steps)
[76e2d16bd5d0193f891a0e30f14ef5c8c370bc8f] Merge branch 'for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux

testing commit 76e2d16bd5d0193f891a0e30f14ef5c8c370bc8f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3c1b73ff35b66075669443ed8814b604c582d77fb3eef6c9167fe746afa6912d
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 76e2d16bd5d0193f891a0e30f14ef5c8c370bc8f
Bisecting: 3244 revisions left to test after this (roughly 12 steps)
[8f9c6173ca464822b8877f75dc7ca20f645b0179] scsi: mpi3mr: Add bios_param SCSI host template hook

testing commit 8f9c6173ca464822b8877f75dc7ca20f645b0179 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 18a0a1b1466aed502fcfb770ea920cdac7ef1a62f5d9028d6bd478aadd1867de
all runs: OK
false negative chance: 0.000
# git bisect good 8f9c6173ca464822b8877f75dc7ca20f645b0179
Bisecting: 3244 revisions left to test after this (roughly 12 steps)
[7c804e91df523a37c29e183ea2b10ac73c3a4f3d] Merge branch 'ipv6-ioam'

testing commit 7c804e91df523a37c29e183ea2b10ac73c3a4f3d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8a239f9490a342fe78a5cca02098956f6850e016b65d1249c5ab406238ceb562
all runs: crashed: KASAN: use-after-free Read in consume_skb
representative crash: KASAN: use-after-free Read in consume_skb, types: [KASAN]
# git bisect bad 7c804e91df523a37c29e183ea2b10ac73c3a4f3d
Bisecting: 3098 revisions left to test after this (roughly 12 steps)
[f5c13f1fdef9fed65b95c3c5f343d22c425ac1d7] Merge tag 'driver-core-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

testing commit f5c13f1fdef9fed65b95c3c5f343d22c425ac1d7 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a2a61a47c462c2420b41feb73c763362430bf8b4776b21b7662a1f6188a7bda7
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip f5c13f1fdef9fed65b95c3c5f343d22c425ac1d7
Bisecting: 3098 revisions left to test after this (roughly 12 steps)
[fd6ec5d79507f99639c94f107e8a98550c9e1cf6] w1: ds2438: adding support for reading page1

testing commit fd6ec5d79507f99639c94f107e8a98550c9e1cf6 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 59848d6ea840af1e5d557f2d68ae4cfa3f4789f9abc421b66f675ccb326be45f
all runs: OK
false negative chance: 0.000
# git bisect good fd6ec5d79507f99639c94f107e8a98550c9e1cf6
Bisecting: 3098 revisions left to test after this (roughly 12 steps)
[309161f6603ce1a53b76a42817cde2a9bcd17e82] xfs: inode allocation can use a single perag instance

testing commit 309161f6603ce1a53b76a42817cde2a9bcd17e82 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1876d563076e863a9493bcefc7a376bd68f4de6910c9781509495b656425978f
all runs: OK
false negative chance: 0.000
# git bisect good 309161f6603ce1a53b76a42817cde2a9bcd17e82
Bisecting: 3098 revisions left to test after this (roughly 12 steps)
[e2c043163d44f7b3a9e65d9161af72b647b18451] powerpc/nohash: Remove DEBUG_HARDER

testing commit e2c043163d44f7b3a9e65d9161af72b647b18451 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: be11aa1d91a76ff94ec600d4da084665835a3a71860691e147d58961f94878e1
all runs: OK
false negative chance: 0.000
# git bisect good e2c043163d44f7b3a9e65d9161af72b647b18451
Bisecting: 3098 revisions left to test after this (roughly 12 steps)
[91bc92d783fecb77b8bfa80787c8cfca6513a928] MAINTAINERS: Add Focusrite Scarlett Gen 2/3 Mixer Driver entry

testing commit 91bc92d783fecb77b8bfa80787c8cfca6513a928 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ffefeb047fbfe3ba2b22f40d4def4479275afac1c830b759396924e47ba8bcb4
all runs: OK
false negative chance: 0.000
# git bisect good 91bc92d783fecb77b8bfa80787c8cfca6513a928
Bisecting: 2698 revisions left to test after this (roughly 12 steps)
[9c9a915afd90f7534c16a71d1cd44b58596fddf3] s390/processor: always inline stap() and __load_psw_mask()

testing commit 9c9a915afd90f7534c16a71d1cd44b58596fddf3 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 28724d71bb3593562684385598ab326c723e0d6cf2fd8788c3a9517e3c5e8d6d
all runs: OK
false negative chance: 0.000
# git bisect good 9c9a915afd90f7534c16a71d1cd44b58596fddf3
Bisecting: 2698 revisions left to test after this (roughly 12 steps)
[df6f3f7eb70d310c3cee2d8e08ed32067fb6fcf4] power: supply: bq24190_charger: drop of_match_ptr() from device ID table

testing commit df6f3f7eb70d310c3cee2d8e08ed32067fb6fcf4 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e805644c0b47eadddaaa6f2609cb5b772abea170901f41bc7f19adf82f1884c5
all runs: OK
false negative chance: 0.000
# git bisect good df6f3f7eb70d310c3cee2d8e08ed32067fb6fcf4
Bisecting: 2659 revisions left to test after this (roughly 12 steps)
[8d78d1e171fc9fa49900badff0bdf8dd164ce9ae] iio: accel: st_sensors: Stop copying channels

testing commit 8d78d1e171fc9fa49900badff0bdf8dd164ce9ae gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b7ee7422c44c4fab7d4fe6ec1a3a8428540d604d8454f70d4b32766c447eaf49
all runs: OK
false negative chance: 0.000
# git bisect good 8d78d1e171fc9fa49900badff0bdf8dd164ce9ae
Bisecting: 2659 revisions left to test after this (roughly 12 steps)
[d7fba8ff3e50fb25ffe583bf945df052f6caffa2] Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf

testing commit d7fba8ff3e50fb25ffe583bf945df052f6caffa2 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
failed building d7fba8ff3e50fb25ffe583bf945df052f6caffa2: scripts/extract-cert.c:46:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/extract-cert.c:59:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:89:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
scripts/sign-file.c:102:9: warning: 'ERR_get_error_line' is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
net/core/dev.c:6015:51: error: 'TC_SKB_EXT' undeclared (first use in this function)
net/core/dev.c:6020:19: error: invalid use of undefined type 'struct tc_skb_ext'
net/core/dev.c:6020:36: error: invalid use of undefined type 'struct tc_skb_ext'
# git bisect skip d7fba8ff3e50fb25ffe583bf945df052f6caffa2
Bisecting: 2659 revisions left to test after this (roughly 12 steps)
[7ce11d4704c080ab890831b8255fbba4d2b0c5ec] arm64: dts: ti: k3-j721e-main: Add ICSSG MDIO nodes

testing commit 7ce11d4704c080ab890831b8255fbba4d2b0c5ec gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d328fffbbf63a13ddb4b2b87a09e7366c891cda331835e5c24dab5af6173656c
all runs: OK
false negative chance: 0.000
# git bisect good 7ce11d4704c080ab890831b8255fbba4d2b0c5ec
Bisecting: 2651 revisions left to test after this (roughly 12 steps)
[735b830c6104af6f4ec0e9a22822cd4067ac0bf5] scsi: core: Add scsi_msg_to_host_byte()

testing commit 735b830c6104af6f4ec0e9a22822cd4067ac0bf5 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3abc6f0edb96836545126558e0114335775a8c64f438033ed17a623810e35608
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 735b830c6104af6f4ec0e9a22822cd4067ac0bf5
Bisecting: 2651 revisions left to test after this (roughly 12 steps)
[13d4aba8a9747c5f88e537cc065a511fe64f92eb] mxser: make mxser_board::idx really an index

testing commit 13d4aba8a9747c5f88e537cc065a511fe64f92eb gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6c2984cf0b9d324ff41419bf966216a7c61125cdd3275e1fddd74ed7061e5e35
all runs: OK
false negative chance: 0.000
# git bisect good 13d4aba8a9747c5f88e537cc065a511fe64f92eb
Bisecting: 2804 revisions left to test after this (roughly 11 steps)
[02722a841502506090e170b89eeccaeb3ee25589] Merge branch 'remotes/lorenzo/pci/hv'

testing commit 02722a841502506090e170b89eeccaeb3ee25589 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: db3a2895a0306779dc1c38fdd54263e3575511181e7644927d2007adbe3aa3f7
all runs: OK
false negative chance: 0.000
# git bisect good 02722a841502506090e170b89eeccaeb3ee25589
Bisecting: 2742 revisions left to test after this (roughly 11 steps)
[7ecbf253f8d64c08de28d16a66e3abbe873f6c9f] iommu/arm-smmu: tegra: Detect number of instances at runtime

testing commit 7ecbf253f8d64c08de28d16a66e3abbe873f6c9f gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: df239fa1bec99598647af3361c2220611f8cd972f694fdaab734eda542f7b2e8
all runs: OK
false negative chance: 0.000
# git bisect good 7ecbf253f8d64c08de28d16a66e3abbe873f6c9f
Bisecting: 2713 revisions left to test after this (roughly 11 steps)
[83107b24c351391dd0a492fc9940d05c14cab0d0] ARM: dts: gemini: add crypto node

testing commit 83107b24c351391dd0a492fc9940d05c14cab0d0 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ccf966f170e83c1695afe4a5ea3fc4b03e45742672ff85cd09baba90a4acb54c
all runs: OK
false negative chance: 0.000
# git bisect good 83107b24c351391dd0a492fc9940d05c14cab0d0
Bisecting: 2522 revisions left to test after this (roughly 11 steps)
[eed0218e8cae9fcd186c30e9fcf5fe46a87e056e] Merge tag 'char-misc-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

testing commit eed0218e8cae9fcd186c30e9fcf5fe46a87e056e gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0ef4916b2e07d7af76039479110968750c30b90162778827b1d518e88a95ca9a
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip eed0218e8cae9fcd186c30e9fcf5fe46a87e056e
Bisecting: 2522 revisions left to test after this (roughly 11 steps)
[8700a7328e89371493c267edb4c8812645f6e38b] eeprom: ee1004: Add constant EE1004_NUM_PAGES

testing commit 8700a7328e89371493c267edb4c8812645f6e38b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8f36abca33a91a123070f101cb7ec3cd8f468af3ff27ef9f1c0cbf9f8081af2f
all runs: OK
false negative chance: 0.000
# git bisect good 8700a7328e89371493c267edb4c8812645f6e38b
Bisecting: 2522 revisions left to test after this (roughly 11 steps)
[77ad1f0e99bd00af024e650b862cfda3137af660] staging: hi6421-spmi-pmic: cleanup some macros

testing commit 77ad1f0e99bd00af024e650b862cfda3137af660 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 99e8566a522bb9018ac903c602cbb3801ac235739f85f5e82859baed4d6dab51
all runs: OK
false negative chance: 0.000
# git bisect good 77ad1f0e99bd00af024e650b862cfda3137af660
Bisecting: 2409 revisions left to test after this (roughly 11 steps)
[3f8b8e7dbd79086ad48fcff33de9399f3da66a69] Merge tag 'backlight-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

testing commit 3f8b8e7dbd79086ad48fcff33de9399f3da66a69 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 11f8adf6ff6cc467b62e3717736d06e7a9385de81e8361654b75acfcd8ec132a
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 3f8b8e7dbd79086ad48fcff33de9399f3da66a69
Bisecting: 2409 revisions left to test after this (roughly 11 steps)
[04a82a13f12d15b611e7363e6e060a9f130a94c8] dt-bindings: phy: qcom,qmp: Add binding for SDX55 PCIe PHY

testing commit 04a82a13f12d15b611e7363e6e060a9f130a94c8 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f70c8f6ab9a1ea71e0a73377554e00460415d5745515fe9f2e772375b7e3e3f2
all runs: OK
false negative chance: 0.000
# git bisect good 04a82a13f12d15b611e7363e6e060a9f130a94c8
Bisecting: 2397 revisions left to test after this (roughly 11 steps)
[02b93c0b00df222b9ccf7a1fbd0eb59353d0a58c] x86/fpu: Get rid of using_compacted_format()

testing commit 02b93c0b00df222b9ccf7a1fbd0eb59353d0a58c gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ba5336e0f55bd8e2d6eb17d003818d0e174d2a461a20a343000f7caa5c92268f
all runs: OK
false negative chance: 0.000
# git bisect good 02b93c0b00df222b9ccf7a1fbd0eb59353d0a58c
Bisecting: 2367 revisions left to test after this (roughly 11 steps)
[099ab4fcf3752a1bc721138632d28aa6685b1cee] ASoC: q6afe: dt-bindings: Add QUIN_MI2S_RX/TX

testing commit 099ab4fcf3752a1bc721138632d28aa6685b1cee gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: eaed5f68cebbb7f2c5bb6c419167d136dbe242a41ecf6e7f8e1b12f042d42d79
all runs: OK
false negative chance: 0.000
# git bisect good 099ab4fcf3752a1bc721138632d28aa6685b1cee
Bisecting: 2142 revisions left to test after this (roughly 11 steps)
[ae6874ba4b43c5a00065f48599811a09d33b873d] scsi: megaraid_sas: Early detection of VD deletion through RaidMap update

testing commit ae6874ba4b43c5a00065f48599811a09d33b873d gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4c6be4630b8bbe318d4ce780f6e2953bdca8991a1d3e64f2e8cbf7896a8778f0
all runs: OK
false negative chance: 0.000
# git bisect good ae6874ba4b43c5a00065f48599811a09d33b873d
Bisecting: 2142 revisions left to test after this (roughly 11 steps)
[6fef087d0d37ba7dba8f3d75566eb4c256cd6742] hexagon: handle {,SOFT}IRQENTRY_TEXT in linker script

testing commit 6fef087d0d37ba7dba8f3d75566eb4c256cd6742 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 97f4725e937af8a5c95bc51837b3fb75f3da16f95b405f2497f7e508c5fa4004
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(NUM,NUM)
unable to determine the verdict: 0 good runs (wanted 5), for bad wanted 5 in total, got 0
# git bisect skip 6fef087d0d37ba7dba8f3d75566eb4c256cd6742
Bisecting: 2142 revisions left to test after this (roughly 11 steps)
[c601eef1e2588df9b8bfe00f6743df4f5f59ca46] dt-bindings: clock: update ti,sci-clk.yaml references

testing commit c601eef1e2588df9b8bfe00f6743df4f5f59ca46 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3cc91bed9e2c671399155de492e2569c64c8c16f1eb89af7a4563a02539c8920
all runs: OK
false negative chance: 0.000
# git bisect good c601eef1e2588df9b8bfe00f6743df4f5f59ca46
Bisecting: 2142 revisions left to test after this (roughly 11 steps)
[cf813c67d9619fd474c785698cbed543b94209dd] watchdog: iTCO_wdt: use dev_err() instead of pr_err()

revisions tested: 53, total time: 12h10m11.536609498s (build: 3h9m14.746725854s, test: 8h45m54.276780018s)
error: bisection is taking too long (>12h0m0s), aborting