bisecting cause commit starting from ee268dee405b4710e179426a431ffe0cdee14f13
building syzkaller on 4846d5c1dcbf362c2e9949b24feca9670ca9b4b9
testing commit ee268dee405b4710e179426a431ffe0cdee14f13 with gcc (GCC) 10.2.1 20210217
kernel signature: 9fd4176c6ec558d8c6efcf01ee43a2f72f9bfee0a1b954080f12fd1237ac4ac4
run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in stack_depot_save
run #1: crashed: WARNING in do_proc_control/usb_submit_urb
run #2: crashed: WARNING in do_proc_control/usb_submit_urb
run #3: crashed: WARNING in do_proc_control/usb_submit_urb
run #4: crashed: WARNING in do_proc_control/usb_submit_urb
run #5: crashed: WARNING in do_proc_control/usb_submit_urb
run #6: crashed: WARNING in do_proc_control/usb_submit_urb
run #7: crashed: WARNING in do_proc_control/usb_submit_urb
run #8: crashed: WARNING in do_proc_control/usb_submit_urb
run #9: crashed: WARNING in do_proc_control/usb_submit_urb
run #10: crashed: WARNING in do_proc_control/usb_submit_urb
run #11: crashed: WARNING in do_proc_control/usb_submit_urb
run #12: crashed: WARNING in do_proc_control/usb_submit_urb
run #13: crashed: WARNING in do_proc_control/usb_submit_urb
run #14: crashed: WARNING in do_proc_control/usb_submit_urb
run #15: crashed: WARNING in do_proc_control/usb_submit_urb
run #16: crashed: WARNING in do_proc_control/usb_submit_urb
run #17: crashed: WARNING in do_proc_control/usb_submit_urb
run #18: crashed: WARNING in do_proc_control/usb_submit_urb
run #19: crashed: WARNING in do_proc_control/usb_submit_urb
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219 with gcc (GCC) 10.2.1 20210217
kernel signature: 1cb5111c0f95c1fc7e3896d55db5b53fbce5858f143c657e735c92f7019c7d10
all runs: OK
# git bisect start ee268dee405b4710e179426a431ffe0cdee14f13 62fb9874f5da54fdb243003b386128037319b219
Bisecting: 7314 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 with gcc (GCC) 10.2.1 20210217
kernel signature: fc7ee250f7d71ae3e8fb0d3883a0f0d8b738389ea641b84cfad3904bef284464
all runs: OK
# git bisect good 514798d36572fb8eba6ccff3de10c9615063a7f5
Bisecting: 3291 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 with gcc (GCC) 10.2.1 20210217
kernel signature: 731f071ac0890eca6e2659c43417eae356e689c88e2c3c3cc1a035a586b04abb
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: possible deadlock in fs_reclaim_acquire
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: possible deadlock in fs_reclaim_acquire
# git bisect skip a16d8644bad461bb073b92e812080ea6715ddf2b
Bisecting: 3291 revisions left to test after this (roughly 12 steps)
[3dc52815408b90ed41948ab65fb1a46ea1fa3170] ALSA: es1938: Fix assignment in if condition

testing commit 3dc52815408b90ed41948ab65fb1a46ea1fa3170 with gcc (GCC) 10.2.1 20210217
kernel signature: da011425c4d709b4d52f90d3c12efe7e0917ba4aafda140501184c1b98b836de
all runs: OK
# git bisect good 3dc52815408b90ed41948ab65fb1a46ea1fa3170
Bisecting: 3291 revisions left to test after this (roughly 12 steps)
[12fc704441ad86a0a29e60708490109954f097fa] cifsd: call kzalloc() directly instead of wrapper

testing commit 12fc704441ad86a0a29e60708490109954f097fa with gcc (GCC) 10.2.1 20210217
kernel signature: 1ddb5125555cb4af343260f668abde74576003e5ab51571624e51287a6b21d90
all runs: OK
# git bisect good 12fc704441ad86a0a29e60708490109954f097fa
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[0c3f7b38d72b924741e1f29a38f89bf91158f5b8] perf inject: Call dso__put() even if dso->hit is set

testing commit 0c3f7b38d72b924741e1f29a38f89bf91158f5b8 with gcc (GCC) 10.2.1 20210217
kernel signature: 81be8812fb56c2b51598c8799b1f1c41d21f19c0a9019dbfe6bda5e7c33dd420
all runs: OK
# git bisect good 0c3f7b38d72b924741e1f29a38f89bf91158f5b8
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[570d2b99d00d9e023328c0a0b8000ab485113384] RDMA/rxe: Disallow MR dereg and invalidate when bound

testing commit 570d2b99d00d9e023328c0a0b8000ab485113384 with gcc (GCC) 10.2.1 20210217
kernel signature: a8ddaebe171a53f508a6f33774727ad66f660da20effe9ce71e4177dd65cd1f0
all runs: OK
# git bisect good 570d2b99d00d9e023328c0a0b8000ab485113384
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[bbc8f3e79e9e35469ac87b0b3329729afc715885] devres: Make locking straight forward in release_nodes()

testing commit bbc8f3e79e9e35469ac87b0b3329729afc715885 with gcc (GCC) 10.2.1 20210217
kernel signature: b1b1fa6b80bcc98143970d07c9ebe848632d038e27c6f32b55200470b1f6281b
all runs: OK
# git bisect good bbc8f3e79e9e35469ac87b0b3329729afc715885
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[19c5d1f6a0c39cf910c8d211ea40ff758bcb3f49] ASoC: codecs: wcd-clsh: add new version support

testing commit 19c5d1f6a0c39cf910c8d211ea40ff758bcb3f49 with gcc (GCC) 10.2.1 20210217
kernel signature: 7e19f4f182739dc6106847e7afc83d6067ff8edbbed6c16a00674ea0912dd1d4
all runs: OK
# git bisect good 19c5d1f6a0c39cf910c8d211ea40ff758bcb3f49
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[e06ede38f38046d2af2915c0c21939338a2c0596] staging: rtl8723bs: core: rtw_security: Demote non-conformant kernel-doc header

testing commit e06ede38f38046d2af2915c0c21939338a2c0596 with gcc (GCC) 10.2.1 20210217
kernel signature: e3bcbfa82e4d9341dac34d21d97ffb8b82a6283e76799211f700438923960bca
all runs: OK
# git bisect good e06ede38f38046d2af2915c0c21939338a2c0596
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[acbd3d0945f9cca4622f45e477793c5922bd6605] mtd: rawnand: arasan: Leverage additional GPIO CS

testing commit acbd3d0945f9cca4622f45e477793c5922bd6605 with gcc (GCC) 10.2.1 20210217
kernel signature: 7e19f4f182739dc6106847e7afc83d6067ff8edbbed6c16a00674ea0912dd1d4
all runs: OK
# git bisect good acbd3d0945f9cca4622f45e477793c5922bd6605
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[6fcb574125e673f33ff058caa54b4e65629f3a08] powerpc: Kconfig: disable CONFIG_COMPAT for clang < 12

testing commit 6fcb574125e673f33ff058caa54b4e65629f3a08 with gcc (GCC) 10.2.1 20210217
kernel signature: d78847fbb83eb074b15d7228054298eaf1fbfa1c32d19b444744c25e35de6c37
all runs: OK
# git bisect good 6fcb574125e673f33ff058caa54b4e65629f3a08
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[4bfa5ddff924c2d5b2427f752515ca594dade19f] powerpc/rtas-rtc: remove unused constant

testing commit 4bfa5ddff924c2d5b2427f752515ca594dade19f with gcc (GCC) 10.2.1 20210217
kernel signature: d78847fbb83eb074b15d7228054298eaf1fbfa1c32d19b444744c25e35de6c37
all runs: OK
# git bisect good 4bfa5ddff924c2d5b2427f752515ca594dade19f
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[5a155c08c0b71cd6f200d48a34d69dc134da6b45] staging: rtl8723bs: remove last unused debug macros

testing commit 5a155c08c0b71cd6f200d48a34d69dc134da6b45 with gcc (GCC) 10.2.1 20210217
kernel signature: 1ae139da33fb3f415eec58b291b93bc5eb4bc706b93ecd30a42ecdf6094f2650
all runs: OK
# git bisect good 5a155c08c0b71cd6f200d48a34d69dc134da6b45
Bisecting: 3192 revisions left to test after this (roughly 12 steps)
[1df3af6dc3cfe643f43d46f202bd44861ccbdb99] powerpc/64e: Fix system call illegal mtmsrd instruction

testing commit 1df3af6dc3cfe643f43d46f202bd44861ccbdb99 with gcc (GCC) 10.2.1 20210217
kernel signature: e1265bc7562832e10687cc916f6874c0b77b2d93b7e72d677d38acb27385ef2e
all runs: OK
# git bisect good 1df3af6dc3cfe643f43d46f202bd44861ccbdb99
Bisecting: 2957 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 with gcc (GCC) 10.2.1 20210217
kernel signature: 631292c382cb9ee6bbe36157fea3edf003a6e3af96443a9e80f7214cfe3e125d
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: 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: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
# git bisect skip c932ed0adb09a7fa6d6649ee04dd78c83ab07ada
Bisecting: 2957 revisions left to test after this (roughly 12 steps)
[bc5ea7449a730e4881e54e871a46b2b7414de8c2] firmware: arm_ffa: Simplify probe function

testing commit bc5ea7449a730e4881e54e871a46b2b7414de8c2 with gcc (GCC) 10.2.1 20210217
kernel signature: 7e19f4f182739dc6106847e7afc83d6067ff8edbbed6c16a00674ea0912dd1d4
all runs: OK
# git bisect good bc5ea7449a730e4881e54e871a46b2b7414de8c2
Bisecting: 2950 revisions left to test after this (roughly 12 steps)
[366da0da1f5fe4e7e702f5864a557e57f485431f] scsi: hisi_sas: Put a limit of link reset retries

testing commit 366da0da1f5fe4e7e702f5864a557e57f485431f with gcc (GCC) 10.2.1 20210217
kernel signature: c9d3a45195a7fbd0080404e010859c1a90c594e48b794d31ae266fb1c0e21d5d
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0)
# git bisect skip 366da0da1f5fe4e7e702f5864a557e57f485431f
Bisecting: 2950 revisions left to test after this (roughly 12 steps)
[faa76a6c289f43c88affcb292bc02870921d93bf] tracing: Simplify the max length test when using the filtering temp buffer

testing commit faa76a6c289f43c88affcb292bc02870921d93bf with gcc (GCC) 10.2.1 20210217
kernel signature: a7b229175ab8ee359254a24f394fd7030356ed7026f737b3c9a5fadecfaf75eb
all runs: OK
# git bisect good faa76a6c289f43c88affcb292bc02870921d93bf
Bisecting: 2950 revisions left to test after this (roughly 12 steps)
[dea6f87e60d193b2b3e21f9c6d657e53617369da] usb: typec: tcpm: Refactor logic to enable/disable auto vbus dicharge

testing commit dea6f87e60d193b2b3e21f9c6d657e53617369da with gcc (GCC) 10.2.1 20210217
kernel signature: af3acfce95eb41beacee8f9f39eecb864ca36bee2bafd8d5d81cf54a766ee638
all runs: OK
# git bisect good dea6f87e60d193b2b3e21f9c6d657e53617369da
Bisecting: 2897 revisions left to test after this (roughly 12 steps)
[8b1c82cb849f8f7c758891099f2128b8fbc05744] iio: core: move @flags from struct iio_dev to struct iio_dev_opaque

testing commit 8b1c82cb849f8f7c758891099f2128b8fbc05744 with gcc (GCC) 10.2.1 20210217
kernel signature: bd7d19dc64c33a4a3064f01677d394d3b86ef29b55ff70d253ec30455cae8fe1
all runs: OK
# git bisect good 8b1c82cb849f8f7c758891099f2128b8fbc05744
Bisecting: 2717 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 with gcc (GCC) 10.2.1 20210217
kernel signature: f5a2acce14c7c343cad7dc74d1c4c58364753bb8c6f62fba9c9d0a8498e04fae
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: possible deadlock in fs_reclaim_acquire
run #3: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
run #4: boot failed: BUG: sleeping function called from invalid context in stack_depot_save
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: 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 79160a603bdb51916226caf4a6616cc4e1c58a58
Bisecting: 2717 revisions left to test after this (roughly 12 steps)
[04fffbe01d2df57e600da35d3f31e3cca8ee14f4] h8300: update dts.

testing commit 04fffbe01d2df57e600da35d3f31e3cca8ee14f4 with gcc (GCC) 8.4.1 20210217
kernel signature: 5258c881d96b600ad3dd2a0d3ef70fd090bf3636165d0b3fdc2727de7e7a074b
all runs: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
# git bisect skip 04fffbe01d2df57e600da35d3f31e3cca8ee14f4
Bisecting: 2717 revisions left to test after this (roughly 12 steps)
[33c8516841ea4fa12fdb8961711bf95095c607ee] ASoC: Intel: boards: fix xrun issue on platform with max98373

testing commit 33c8516841ea4fa12fdb8961711bf95095c607ee with gcc (GCC) 10.2.1 20210217
kernel signature: d71b13eb5242949f1b6bbd3badcb2e7cbb1d73a35095a96d3a2838bc5eb88593
all runs: OK
# git bisect good 33c8516841ea4fa12fdb8961711bf95095c607ee
Bisecting: 2716 revisions left to test after this (roughly 11 steps)
[299f2b5fc08be90aebcaa471b4d0f2bb94f2fbbf] dasd: unexport dasd_set_target_state

testing commit 299f2b5fc08be90aebcaa471b4d0f2bb94f2fbbf with gcc (GCC) 10.2.1 20210217
kernel signature: c20a4f8400f5ee5c236733916e4a1ac7331ed507862f75db767b0f50e89960d0
all runs: OK
# git bisect good 299f2b5fc08be90aebcaa471b4d0f2bb94f2fbbf
Bisecting: 2689 revisions left to test after this (roughly 11 steps)
[3d3a0d1b508dcc47e82b0e12cde6585bc088b0cc] rcu: Point to documentation of ordering guarantees

testing commit 3d3a0d1b508dcc47e82b0e12cde6585bc088b0cc with gcc (GCC) 10.2.1 20210217
kernel signature: 78ca5414be74e9a303c27369bde933eed373e7254ffcf02db614fbfbc327b745
all runs: OK
# git bisect good 3d3a0d1b508dcc47e82b0e12cde6585bc088b0cc
Bisecting: 2689 revisions left to test after this (roughly 11 steps)
[1d44ba5fedc4ef8bc7d24e82638b00b225617dd7] lockd: Remove stale comments

testing commit 1d44ba5fedc4ef8bc7d24e82638b00b225617dd7 with gcc (GCC) 10.2.1 20210217
kernel signature: 6e54219ce2f2be246213710756c3edf5099664513b8350cbaf84ea7dc9006928
all runs: OK
# git bisect good 1d44ba5fedc4ef8bc7d24e82638b00b225617dd7
Bisecting: 2651 revisions left to test after this (roughly 11 steps)
[19e5b24cba8ef1226dcfb0d123ccbcdf5ffa1194] Merge remote-tracking branch 'regulator-fixes/for-linus'

testing commit 19e5b24cba8ef1226dcfb0d123ccbcdf5ffa1194 with gcc (GCC) 10.2.1 20210217
kernel signature: 7c2839dc6c3c11ce2ffea0c13ea8233ee8158a719b2e45dc955ee633b13a95f3
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: 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: BUG: sleeping function called from invalid context in stack_depot_save
run #5: boot failed: possible deadlock in get_page_from_freelist
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 19e5b24cba8ef1226dcfb0d123ccbcdf5ffa1194
Bisecting: 2651 revisions left to test after this (roughly 11 steps)
[ee9b9b81ecd744504bbf1c50d86db8251cc7e41e] char: pcmcia: scr24x_cs: Fix redundant fops

testing commit ee9b9b81ecd744504bbf1c50d86db8251cc7e41e with gcc (GCC) 10.2.1 20210217
kernel signature: ebbd798982b4cdf556fa1a45c62095eae34809629dd2ba135a9a682ae2935bf5
all runs: OK
# git bisect good ee9b9b81ecd744504bbf1c50d86db8251cc7e41e
Bisecting: 2651 revisions left to test after this (roughly 11 steps)
[bb95d7d440fefd104c593d9cb20da6d34a474e97] ARM: dts: BCM5301X: Fix pinmux subnodes names

revisions tested: 30, total time: 8h12m48.322203302s (build: 3h32m42.942190981s, test: 4h36m6.606987219s)
error: bisection is taking too long (>8h0m0s), aborting