bisecting cause commit starting from b11f0a4c0c81ff062cd3696eadd46266489bca8e
building syzkaller on 9a4781d43abfb86fe8521cb6fb084519e237454c
testing commit b11f0a4c0c81ff062cd3696eadd46266489bca8e
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 37122bc18ce9bd7e2b520e37d8a3d7298326ce91338c2071358447c21d42db76
all runs: crashed: general protection fault in br_switchdev_fdb_notify
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 909f5b513362d755e99068620c19525cb2afd91ca8725228219fd46574a48866
all runs: OK
# git bisect start b11f0a4c0c81ff062cd3696eadd46266489bca8e 62fb9874f5da54fdb243003b386128037319b219
Bisecting: 7302 revisions left to test after this (roughly 13 steps)
[e04360a2ea01bf42aa639b65aad81f502e896c7f] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

testing commit e04360a2ea01bf42aa639b65aad81f502e896c7f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 88661c1a78c1e9c59c54273183f496bfecad7252c6a597313cc3f626b95eb7b2
run #0: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
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
# git bisect good e04360a2ea01bf42aa639b65aad81f502e896c7f
Bisecting: 3494 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
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 91435ea47ec99f40fb4b9abd9bcbebf717239adac3c25ec13e7e47ab74a0a66f
run #0: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #3: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #7: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #8: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #9: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
# git bisect skip a16d8644bad461bb073b92e812080ea6715ddf2b
Bisecting: 3494 revisions left to test after this (roughly 12 steps)
[9a7b7ec3c6f2aedb99c9f39dd9cb63c2deff3437] ALSA: usb-audio: scarlett2: Fix for loop increment in scarlett2_usb_get_config

testing commit 9a7b7ec3c6f2aedb99c9f39dd9cb63c2deff3437
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 5e48cad588c46b6f250dfa8e8280d15a47f9134c33e80ffe3b6f728ad397317b
all runs: OK
# git bisect good 9a7b7ec3c6f2aedb99c9f39dd9cb63c2deff3437
Bisecting: 3264 revisions left to test after this (roughly 12 steps)
[c932ed0adb09a7fa6d6649ee04dd78c83ab07ada] Merge tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

testing commit c932ed0adb09a7fa6d6649ee04dd78c83ab07ada
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 258a0c913cbce9af47305c6674de8eb7e3de192b3a7462c4ca2decf4916cd287
run #0: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #4: boot failed: possible deadlock in fs_reclaim_acquire
run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #6: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #7: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #8: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #9: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
# git bisect skip c932ed0adb09a7fa6d6649ee04dd78c83ab07ada
Bisecting: 3264 revisions left to test after this (roughly 12 steps)
[f47d5a4fc254e62ea5af5cbb2fc3e68901def434] powerpc/prom_init: Convert prom_strcpy() into prom_strscpy_pad()

testing commit f47d5a4fc254e62ea5af5cbb2fc3e68901def434
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 01dfa9f8b84d4ecddd0e02f32cb0a87cb4490a1b47bc1843e0b5d6b583ffdf27
all runs: OK
# git bisect good f47d5a4fc254e62ea5af5cbb2fc3e68901def434
Bisecting: 3264 revisions left to test after this (roughly 12 steps)
[d23dc8cd1339a7f95c69c0d63bd57a8ff46c1c10] staging: rtl8723bs: HalBtc8723b1Ant.c: fix build warnings about unused variables

testing commit d23dc8cd1339a7f95c69c0d63bd57a8ff46c1c10
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: a414fd8bfd27ade5b1427d2905c1a2bb015262ad57b4cff4768e2486bb65e98d
all runs: OK
# git bisect good d23dc8cd1339a7f95c69c0d63bd57a8ff46c1c10
Bisecting: 3031 revisions left to test after this (roughly 12 steps)
[79160a603bdb51916226caf4a6616cc4e1c58a58] Merge tag 'usb-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

testing commit 79160a603bdb51916226caf4a6616cc4e1c58a58
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 4ec73fe21998bb035e4ca9721491cd94239fbd912e4b1a5f08cd60c0b305f355
run #0: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #2: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #5: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #7: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #8: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #9: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
# git bisect skip 79160a603bdb51916226caf4a6616cc4e1c58a58
Bisecting: 3031 revisions left to test after this (roughly 12 steps)
[dffdd75678745e9eccf31ad16e4849b663645e3b] iio: gyro: st_gyro: Move platform data from header to C file

testing commit dffdd75678745e9eccf31ad16e4849b663645e3b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: a7424dd95e929e48816e10037840c8158ba8d14a97c82adbc491682b65084310
all runs: OK
# git bisect good dffdd75678745e9eccf31ad16e4849b663645e3b
Bisecting: 3031 revisions left to test after this (roughly 12 steps)
[b8f4c89fd719289cee5634e0b1e918ab081ece35] s390/softirq: use call_on_stack() macro

testing commit b8f4c89fd719289cee5634e0b1e918ab081ece35
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 559b933ac17defb1bfc5f5a495d6c8546a2fe85888560fa9b7cc7bbc28c46f22
run #0: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #1: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #2: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #7: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #8: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #9: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
# git bisect skip b8f4c89fd719289cee5634e0b1e918ab081ece35
Bisecting: 3031 revisions left to test after this (roughly 12 steps)
[767e6e7130b288d856e4f2be365554dc6147a80a] powerpc/interrupt: Also use exit_must_hard_disable() on PPC32

testing commit 767e6e7130b288d856e4f2be365554dc6147a80a
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 01dfa9f8b84d4ecddd0e02f32cb0a87cb4490a1b47bc1843e0b5d6b583ffdf27
all runs: OK
# git bisect good 767e6e7130b288d856e4f2be365554dc6147a80a
Bisecting: 3031 revisions left to test after this (roughly 12 steps)
[6681db5ef540bc47a654c8d85d27042626edc6f8] gpio: adp5520: cleanup probe error path + remove platform_set_drvdata()

testing commit 6681db5ef540bc47a654c8d85d27042626edc6f8
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 2847bf3a0d9ca98a2cb67f72b8f13ad7c63b1f8f5cbf65e35320f39d40c33aa1
all runs: OK
# git bisect good 6681db5ef540bc47a654c8d85d27042626edc6f8
Bisecting: 3031 revisions left to test after this (roughly 12 steps)
[0db2134069275d1177c2dd531cbc73578b7ec8ac] perf scripting python: Add context switch

testing commit 0db2134069275d1177c2dd531cbc73578b7ec8ac
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: b207d93fa6fc66dc378de096a7e99f8ed00f48e8cdf8f17437cba85f341a0ce8
all runs: OK
# git bisect good 0db2134069275d1177c2dd531cbc73578b7ec8ac
Bisecting: 3029 revisions left to test after this (roughly 12 steps)
[05bc276cf243d90b9f1eb6ae2962f41eeb53a741] refscale: Avoid false-positive warnings in ref_scale_reader()

testing commit 05bc276cf243d90b9f1eb6ae2962f41eeb53a741
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 4ec73fe21998bb035e4ca9721491cd94239fbd912e4b1a5f08cd60c0b305f355
run #0: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #2: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #4: boot failed: possible deadlock in fs_reclaim_acquire
run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #7: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #8: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #9: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
# git bisect skip 05bc276cf243d90b9f1eb6ae2962f41eeb53a741
Bisecting: 3029 revisions left to test after this (roughly 12 steps)
[eab61fb1cc2eeeffbceb2cf891c1b7272141af82] nvmem: eeprom: at25: fram discovery simplification

testing commit eab61fb1cc2eeeffbceb2cf891c1b7272141af82
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 75c7d4bdefe6f6776328113f06924d8d439804b943b0e1b501b5e9d74f26209a
all runs: OK
# git bisect good eab61fb1cc2eeeffbceb2cf891c1b7272141af82
Bisecting: 2964 revisions left to test after this (roughly 12 steps)
[77d34a4683b053108ecd466cc7c4193b45805528] Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

testing commit 77d34a4683b053108ecd466cc7c4193b45805528
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 6250363ab639172082f5f782550c7d65dd23fc99cf5ff964c3fb0bd5226bc4a9
run #0: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #6: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #7: boot failed: possible deadlock in fs_reclaim_acquire
run #8: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #9: boot failed: possible deadlock in fs_reclaim_acquire
# git bisect skip 77d34a4683b053108ecd466cc7c4193b45805528
Bisecting: 2964 revisions left to test after this (roughly 12 steps)
[c6ec3e1e3a853f9469c7d07b0fde0be4da8c3ba1] mtd: spi-nor: otp: implement erase for Winbond and similar flashes

testing commit c6ec3e1e3a853f9469c7d07b0fde0be4da8c3ba1
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: f537a8c1e0d53fe9ef20cc7f2da2a962b51706332fe9b16036b41169975cc68d
all runs: OK
# git bisect good c6ec3e1e3a853f9469c7d07b0fde0be4da8c3ba1
Bisecting: 2964 revisions left to test after this (roughly 12 steps)
[c891ef7d80da1855b5bba478a564c184df314ea4] watchdog: Fix a typo in Kconfig

testing commit c891ef7d80da1855b5bba478a564c184df314ea4
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: f537a8c1e0d53fe9ef20cc7f2da2a962b51706332fe9b16036b41169975cc68d
all runs: OK
# git bisect good c891ef7d80da1855b5bba478a564c184df314ea4
Bisecting: 2969 revisions left to test after this (roughly 12 steps)
[4c55e2aeb8082cb118cd63596bfe0dc5247b78e1] Merge tag 'for-linus' of git://github.com/openrisc/linux

testing commit 4c55e2aeb8082cb118cd63596bfe0dc5247b78e1
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 6250363ab639172082f5f782550c7d65dd23fc99cf5ff964c3fb0bd5226bc4a9
run #0: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #5: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #7: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #8: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #9: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
# git bisect skip 4c55e2aeb8082cb118cd63596bfe0dc5247b78e1
Bisecting: 2969 revisions left to test after this (roughly 12 steps)
[c8cc4cf60b000fb9f4b29bed131fb6cf1fe42d67] iio: frequency: adf4350: disable reg and clk on error in adf4350_probe()

testing commit c8cc4cf60b000fb9f4b29bed131fb6cf1fe42d67
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 6c9f6a8e0a002afbbb3ea86686dc422ddda4e435b87679e22493f0e8237cc2b3
all runs: OK
# git bisect good c8cc4cf60b000fb9f4b29bed131fb6cf1fe42d67
Bisecting: 2893 revisions left to test after this (roughly 12 steps)
[4ea90317956718e0648e1f87e56530db809a5a04] Merge tag 'for-linus-5.14-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

testing commit 4ea90317956718e0648e1f87e56530db809a5a04
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 8ee6c2405a69f16f1c332fde24c86659615965f4903148e28e600a029be0c896
run #0: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #6: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #7: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
run #8: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #9: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
# git bisect skip 4ea90317956718e0648e1f87e56530db809a5a04
Bisecting: 2893 revisions left to test after this (roughly 12 steps)
[81eb1d17115fba5ea67a4939a136888a7ec05c32] drm/i915: Fix fall-through warning for Clang

testing commit 81eb1d17115fba5ea67a4939a136888a7ec05c32
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: a48ea626f3c1c735dd1f21828433397cc0c666a9f55b6aaa5720dded286f8834
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
# git bisect good 81eb1d17115fba5ea67a4939a136888a7ec05c32
Bisecting: 540 revisions left to test after this (roughly 9 steps)
[5e09e197a85a98d59d9089ffb2fae1d0b1ba6cd2] Merge tag 'mmc-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

testing commit 5e09e197a85a98d59d9089ffb2fae1d0b1ba6cd2
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 799aecb87f9dcb4b4bffda24b3d5c77def97d3c0ef7dd2d045160b78969e002d
all runs: OK
# git bisect good 5e09e197a85a98d59d9089ffb2fae1d0b1ba6cd2
Bisecting: 304 revisions left to test after this (roughly 8 steps)
[09f83569189f0fabb28472378e99af289b402c0f] net/mlx5e: Use the new TIR API for kTLS

testing commit 09f83569189f0fabb28472378e99af289b402c0f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 4c7842db21cc4f9d2420eb0ac87b19d4c3e0a720f52299b79fad533586e009a8
run #0: basic kernel testing failed: possible deadlock in fs_reclaim_acquire
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
# git bisect good 09f83569189f0fabb28472378e99af289b402c0f
Bisecting: 152 revisions left to test after this (roughly 7 steps)
[8ed1661cf21ec86351a47a82f641ec46501a1029] net: at91_can: use BIT macro

testing commit 8ed1661cf21ec86351a47a82f641ec46501a1029
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: af227078972e188f8a7e496f056369d3cb7739579bae680b2dd28edea1462d19
all runs: OK
# git bisect good 8ed1661cf21ec86351a47a82f641ec46501a1029
Bisecting: 76 revisions left to test after this (roughly 6 steps)
[3f3fa5340745c81a2e70a171fb73a44b433d5126] hostap: use ndo_siocdevprivate

testing commit 3f3fa5340745c81a2e70a171fb73a44b433d5126
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: b3e26d0e934e1bf537adc2b644fc239090f3e0c7d3eff840dca0db2c6885e87d
all runs: OK
# git bisect good 3f3fa5340745c81a2e70a171fb73a44b433d5126
Bisecting: 38 revisions left to test after this (roughly 5 steps)
[18d6426402deaac0f748bd4476c977ea4bca3b12] ionic: add function tag to debug string

testing commit 18d6426402deaac0f748bd4476c977ea4bca3b12
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 6b815687f89588c2355418e36735ee45e2e25098301b4a0e92078beaee531cb4
all runs: OK
# git bisect good 18d6426402deaac0f748bd4476c977ea4bca3b12
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[56af5e749f20c3a540310c207dcc373f4f09156e] net/sched: act_skbmod: Add SKBMOD_F_ECN option support

testing commit 56af5e749f20c3a540310c207dcc373f4f09156e
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 6b13b60ce691b4b9034e5a57ef26533409e536533305e9dc1d39690fb65b8f6a
all runs: OK
# git bisect good 56af5e749f20c3a540310c207dcc373f4f09156e
Bisecting: 9 revisions left to test after this (roughly 3 steps)
[a521c8a01d267bc1732ee83fdbf3ad2e02240d63] bnxt_en: Move bnxt_ptp_init() from bnxt_open() back to bnxt_init_one()

testing commit a521c8a01d267bc1732ee83fdbf3ad2e02240d63
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: 6b13b60ce691b4b9034e5a57ef26533409e536533305e9dc1d39690fb65b8f6a
all runs: OK
# git bisect good a521c8a01d267bc1732ee83fdbf3ad2e02240d63
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[abf90ac2c292410c22bbce4dfedeb49b9b0295ff] bnxt_en: Log if an invalid signal detected on TSIO pin

revisions tested: 30, total time: 8h0m54.518322755s (build: 3h21m47.466122919s, test: 4h35m45.634841957s)
error: bisection is taking too long (>8h0m0s), aborting