ci starts bisection 2023-02-03 01:32:53.409551942 +0000 UTC m=+43059.914064508
bisecting cause commit starting from a689b938df39ab513026c53fb7011fd7cd594943
building syzkaller on 1dac8c7a01e2bdd35cb04eb4901ddb157291ac2d
ensuring issue is reproducible on original commit a689b938df39ab513026c53fb7011fd7cd594943

testing commit a689b938df39ab513026c53fb7011fd7cd594943 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 082d73a6af2fb04a27bbc2787c12ab914fe7489dc6805f53f6adf052a069ef14
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: task hung in find_inode_fast
run #9: crashed: INFO: task hung in find_inode_fast
run #10: crashed: INFO: task hung in ext4_evict_ea_inode
run #11: crashed: INFO: task hung in find_inode_fast
run #12: crashed: INFO: task hung in ext4_evict_ea_inode
run #13: crashed: INFO: task hung in ext4_evict_ea_inode
run #14: crashed: INFO: task hung in ext4_evict_ea_inode
run #15: crashed: INFO: task hung in find_inode_fast
run #16: crashed: INFO: task hung in ext4_evict_ea_inode
run #17: crashed: INFO: task hung in ext4_evict_ea_inode
run #18: OK
run #19: OK
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 672b5ad5f09c37325849fbce80fc4617102c180323ec0eb6e4c08b3afb125003
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: task hung in find_inode_fast
run #5: crashed: INFO: task hung in ext4_evict_ea_inode
run #6: crashed: INFO: task hung in ext4_evict_ea_inode
run #7: crashed: INFO: task hung in find_inode_fast
run #8: crashed: INFO: task hung in find_inode_fast
run #9: OK
testing release v6.0
testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8f05f571a634438b590b677810dbc41c3b0084a96dfec0ce8a8af8d61bb97ba2
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: task hung in find_inode_fast
run #5: crashed: INFO: task hung in ext4_evict_ea_inode
run #6: OK
run #7: OK
run #8: OK
run #9: crashed: INFO: task hung in find_inode_fast
testing release v5.19
testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0f38ab2d25b3242d0cb381a7ea55cc31d234905606ea95ef07278703b9a71b72
all runs: OK
# git bisect start 4fe89d07dcc2804c8b562f6c7896a45643d34b2f 3d7cb6b04c3f3115719235cc6866b10326de34cd
Bisecting: 8384 revisions left to test after this (roughly 13 steps)
[78acd4ca433425e6dd4032cfc2156c60e34931f2] usb: cdns3: Don't use priv_dev uninitialized in cdns3_gadget_ep_enable()

testing commit 78acd4ca433425e6dd4032cfc2156c60e34931f2 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 885ccbf7769bb03ae616b1ed4c86f5c3ab535acc5f59d78cebc1f5e0796595d0
all runs: basic kernel testing failed: WARNING in mgmt_index_removed
# git bisect skip 78acd4ca433425e6dd4032cfc2156c60e34931f2
Bisecting: 8384 revisions left to test after this (roughly 13 steps)
[586fb2641371cf7f23a401ab1c79b17e3ec457f4] ASoC: soc-core.c: fixup snd_soc_of_get_dai_link_cpus()

testing commit 586fb2641371cf7f23a401ab1c79b17e3ec457f4 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b930cc64c6b4f89fd9a76527ce01f6b5b2747a103f79ba361191f714a832d8f8
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: boot failed: INFO: task hung in hwrng_register
run #6: boot failed: INFO: task hung in hwrng_register
run #7: boot failed: INFO: task hung in hwrng_register
run #8: boot failed: INFO: task hung in hwrng_register
run #9: boot failed: INFO: task hung in hwrng_register
# git bisect good 586fb2641371cf7f23a401ab1c79b17e3ec457f4
Bisecting: 8057 revisions left to test after this (roughly 13 steps)
[cfeafd94668910334a77c9437a18212baf9f5610] Merge tag 'driver-core-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

testing commit cfeafd94668910334a77c9437a18212baf9f5610 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1508dc80cab4619cfb251cac8bf9e64d8ffdd382eee8591eec4517fb43ea668d
all runs: basic kernel testing failed: WARNING in mgmt_index_removed
# git bisect skip cfeafd94668910334a77c9437a18212baf9f5610
Bisecting: 8057 revisions left to test after this (roughly 13 steps)
[332f1795ca202489c665a75e62e18ff6284de077] Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm regression

testing commit 332f1795ca202489c665a75e62e18ff6284de077 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e3b9f6a0ca339e50595f0f45595e84564dfc34c5c3fc0c104451988422656d80
all runs: basic kernel testing failed: WARNING in mgmt_index_removed
# git bisect skip 332f1795ca202489c665a75e62e18ff6284de077
Bisecting: 8057 revisions left to test after this (roughly 13 steps)
[4a445b7b6178d88956192c0202463063f52e8667] btrfs: don't merge pages into bio if their page offset is not contiguous

testing commit 4a445b7b6178d88956192c0202463063f52e8667 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c3e8ab615306670804b04590517a4fbefaa7562779a2609223b801f4a42f65c6
all runs: OK
# git bisect good 4a445b7b6178d88956192c0202463063f52e8667
Bisecting: 7846 revisions left to test after this (roughly 13 steps)
[9e2e5ea3b28f81512c792f30729edb1db0c21f6a] Merge tag 'usb-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

testing commit 9e2e5ea3b28f81512c792f30729edb1db0c21f6a gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 116b27f66fc1061d143752fe9b62e16a57ab8ccdedfb969369af10cab2f69913
all runs: basic kernel testing failed: WARNING in mgmt_index_removed
# git bisect skip 9e2e5ea3b28f81512c792f30729edb1db0c21f6a
Bisecting: 7846 revisions left to test after this (roughly 13 steps)
[f24d1d45084155c59a135506a37bc4db10703fe6] drm/i915: Nuke PCH_MCC

testing commit f24d1d45084155c59a135506a37bc4db10703fe6 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: fc7f58a67af8ba78e8b481f74c2a4a0c5e2392ff47b9d617c7a846400646b49a
all runs: OK
# git bisect good f24d1d45084155c59a135506a37bc4db10703fe6
Bisecting: 7846 revisions left to test after this (roughly 13 steps)
[9a0b36266f7a83912592052035b84f13b12e30da] perf stat: Add topdown metrics in the default perf stat on the hybrid machine

testing commit 9a0b36266f7a83912592052035b84f13b12e30da gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ec7da7fa1be727ea53977d9910788b081cb0f194f69567ebff90a5f6bf4969dc
all runs: OK
# git bisect good 9a0b36266f7a83912592052035b84f13b12e30da
Bisecting: 7900 revisions left to test after this (roughly 13 steps)
[f4d92d9757e6b0adf24d227e414dac867555c9e2] ASoC: Makefile: Fix simultaneous build of KUNIT tests

testing commit f4d92d9757e6b0adf24d227e414dac867555c9e2 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: cc4581099408be8a4e1312676be7ff5d8e8e4e5e4e920c116af60b95656ff9af
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: boot failed: INFO: task hung in hwrng_register
run #8: boot failed: INFO: task hung in hwrng_register
run #9: boot failed: INFO: task hung in hwrng_register
# git bisect good f4d92d9757e6b0adf24d227e414dac867555c9e2
Bisecting: 7726 revisions left to test after this (roughly 13 steps)
[2f945a792f67815abca26fa8a5e863ccf3fa1181] of: fdt: fix off-by-one error in unflatten_dt_nodes()

testing commit 2f945a792f67815abca26fa8a5e863ccf3fa1181 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e1ce9eb9312a53532a40febb8c1a1a4ab26862ea1d9fe21dc8461558a912dfad
run #0: boot failed: general protection fault in rcu_core
run #1: boot failed: WARNING in find_vma_links
run #2: boot failed: stack segment fault in alloc_netdev_mqs
run #3: boot failed: stack segment fault in __register_sysctl_table
run #4: boot failed: general protection fault in dup_task_struct
run #5: boot failed: general protection fault in netdev_queue_update_kobjects
run #6: boot failed: general protection fault in driver_register
run #7: boot failed: BUG: unable to handle kernel paging request in kernel_execve
run #8: boot failed: BUG: unable to handle kernel paging request in wake_up_new_task
run #9: boot failed: kernel BUG in __phys_addr
# git bisect skip 2f945a792f67815abca26fa8a5e863ccf3fa1181
Bisecting: 7726 revisions left to test after this (roughly 13 steps)
[90c3ca3f247d1a95fc47232e9f0aef114becd605] scsi: mpt3sas: Remove flush_scheduled_work() call

testing commit 90c3ca3f247d1a95fc47232e9f0aef114becd605 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e3ba26e68f7ed35d33387251cac047132deb1b94643fda84ecbda91b751798f5
run #0: crashed: WARNING: locking bug in ext4_xattr_inode_update_ref
run #1: OK
run #2: OK
run #3: boot failed: INFO: task hung in hwrng_register
run #4: boot failed: INFO: task hung in hwrng_register
run #5: boot failed: INFO: task hung in hwrng_register
run #6: boot failed: INFO: task hung in hwrng_register
run #7: boot failed: INFO: task hung in hwrng_register
run #8: boot failed: INFO: task hung in hwrng_register
run #9: boot failed: INFO: task hung in hwrng_register
reproducer seems to be flaky
# git bisect bad 90c3ca3f247d1a95fc47232e9f0aef114becd605
Bisecting: 48 revisions left to test after this (roughly 6 steps)
[476da8faa336f104cb5183ff51615335d1ff5d1f] scsi: qla2xxx: Add a new v2 dport diagnostic feature

testing commit 476da8faa336f104cb5183ff51615335d1ff5d1f gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1ad38279773a57aab61fae949cf00d110c55e7140c82ed718ab8a36a7eafd842
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: boot failed: INFO: task hung in hwrng_register
run #9: boot failed: INFO: task hung in hwrng_register
run #10: boot failed: INFO: task hung in hwrng_register
run #11: boot failed: INFO: task hung in hwrng_register
run #12: boot failed: INFO: task hung in hwrng_register
run #13: boot failed: INFO: task hung in hwrng_register
run #14: boot failed: INFO: task hung in hwrng_register
run #15: boot failed: INFO: task hung in hwrng_register
run #16: boot failed: INFO: task hung in hwrng_register
run #17: boot failed: INFO: task hung in hwrng_register
run #18: boot failed: INFO: task hung in hwrng_register
run #19: boot failed: INFO: task hung in hwrng_register
# git bisect good 476da8faa336f104cb5183ff51615335d1ff5d1f
Bisecting: 24 revisions left to test after this (roughly 5 steps)
[3328333b47f4163504267440ec0a36087a407a5f] scsi: iscsi: Allow iscsi_if_stop_conn() to be called from kernel

testing commit 3328333b47f4163504267440ec0a36087a407a5f gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 29d474f86760eb620b4ceec4a68c0608242eb86e698dff47f7f4fcf4702d9a34
run #0: OK
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
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: boot failed: INFO: task hung in hwrng_register
run #15: boot failed: INFO: task hung in hwrng_register
run #16: boot failed: INFO: task hung in hwrng_register
run #17: boot failed: INFO: task hung in hwrng_register
run #18: boot failed: INFO: task hung in hwrng_register
run #19: boot failed: INFO: task hung in hwrng_register
# git bisect good 3328333b47f4163504267440ec0a36087a407a5f
Bisecting: 12 revisions left to test after this (roughly 4 steps)
[6d626150d6d1c14f2f3d4f907fd0d4381f2c0d35] scsi: iscsi: Try to avoid taking back_lock in xmit path

testing commit 6d626150d6d1c14f2f3d4f907fd0d4381f2c0d35 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0def78ff0a6a13cc7191c01c7e72b8f0c0b24f66dd22bdee1a66ed08e918bef0
run #0: OK
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
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: boot failed: INFO: task hung in hwrng_register
run #15: boot failed: INFO: task hung in hwrng_register
run #16: boot failed: INFO: task hung in hwrng_register
run #17: boot failed: INFO: task hung in hwrng_register
run #18: boot failed: INFO: task hung in hwrng_register
run #19: boot failed: INFO: task hung in hwrng_register
# git bisect good 6d626150d6d1c14f2f3d4f907fd0d4381f2c0d35
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[950d2867c1fb87a90e2f42c35d548e22733d4e0e] scsi: message: fusion: Drop redundant "the"

testing commit 950d2867c1fb87a90e2f42c35d548e22733d4e0e gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 97dd522881947046d02afd2063d22e4e4a706c70534902170254b609bcdeb286
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: boot failed: INFO: task hung in hwrng_register
run #9: boot failed: INFO: task hung in hwrng_register
run #10: boot failed: INFO: task hung in hwrng_register
run #11: boot failed: INFO: task hung in hwrng_register
run #12: boot failed: INFO: task hung in hwrng_register
run #13: boot failed: INFO: task hung in hwrng_register
run #14: boot failed: INFO: task hung in hwrng_register
run #15: boot failed: INFO: task hung in hwrng_register
run #16: boot failed: INFO: task hung in hwrng_register
run #17: boot failed: INFO: task hung in hwrng_register
run #18: boot failed: INFO: task hung in hwrng_register
run #19: boot failed: INFO: task hung in hwrng_register
# git bisect good 950d2867c1fb87a90e2f42c35d548e22733d4e0e
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[82ede9c19839079e7953a47895729852a440080c] scsi: ufs: core: Fix typos in error messages

testing commit 82ede9c19839079e7953a47895729852a440080c gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c1512384fd0e6d2bd48b3a1ce2034eb5c0de195562eca27cd2c0c6ac58cd4863
run #0: crashed: WARNING: locking bug in ext4_xattr_inode_update_ref
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
run #10: boot failed: INFO: task hung in hwrng_register
run #11: boot failed: INFO: task hung in hwrng_register
run #12: boot failed: INFO: task hung in hwrng_register
run #13: boot failed: INFO: task hung in hwrng_register
run #14: boot failed: INFO: task hung in hwrng_register
run #15: boot failed: INFO: task hung in hwrng_register
run #16: boot failed: INFO: task hung in hwrng_register
run #17: boot failed: INFO: task hung in hwrng_register
run #18: boot failed: INFO: task hung in hwrng_register
run #19: boot failed: INFO: task hung in hwrng_register
# git bisect bad 82ede9c19839079e7953a47895729852a440080c
Bisecting: 1 revision left to test after this (roughly 1 step)
[b73b14300e9fe759494bb8484782b9f334f3d1eb] scsi: target: Remove duplicate "the"

testing commit b73b14300e9fe759494bb8484782b9f334f3d1eb gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c0e7880a0dcd5290a6bbbc2bba8975341fae5a6736c5c388b03fa38679650649
run #0: OK
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: boot failed: INFO: task hung in hwrng_register
run #9: boot failed: INFO: task hung in hwrng_register
run #10: boot failed: INFO: task hung in hwrng_register
run #11: boot failed: INFO: task hung in hwrng_register
run #12: boot failed: INFO: task hung in hwrng_register
run #13: boot failed: INFO: task hung in hwrng_register
run #14: boot failed: INFO: task hung in hwrng_register
run #15: boot failed: INFO: task hung in hwrng_register
run #16: boot failed: INFO: task hung in hwrng_register
run #17: boot failed: INFO: task hung in hwrng_register
run #18: boot failed: INFO: task hung in hwrng_register
run #19: boot failed: INFO: task hung in hwrng_register
# git bisect good b73b14300e9fe759494bb8484782b9f334f3d1eb
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[ebd676ff3b3f9a2db8d23a91eb3216fef8ce4568] scsi: aacraid: Remove redundant "the"

testing commit ebd676ff3b3f9a2db8d23a91eb3216fef8ce4568 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1f86ef314029ed6e1f240aae874259f4bb0f7978f8b38b29d6c184b82965b331
run #0: OK
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
run #10: boot failed: INFO: task hung in hwrng_register
run #11: boot failed: INFO: task hung in hwrng_register
run #12: boot failed: INFO: task hung in hwrng_register
run #13: boot failed: INFO: task hung in hwrng_register
run #14: boot failed: INFO: task hung in hwrng_register
run #15: boot failed: INFO: task hung in hwrng_register
run #16: boot failed: INFO: task hung in hwrng_register
run #17: boot failed: INFO: task hung in hwrng_register
run #18: boot failed: INFO: task hung in hwrng_register
run #19: boot failed: INFO: task hung in hwrng_register
# git bisect good ebd676ff3b3f9a2db8d23a91eb3216fef8ce4568
82ede9c19839079e7953a47895729852a440080c is the first bad commit
commit 82ede9c19839079e7953a47895729852a440080c
Author: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date:   Tue Jun 21 16:46:53 2022 +0200

    scsi: ufs: core: Fix typos in error messages
    
    Should be "retries" instead of "retires".
    
    Link: https://lore.kernel.org/r/20220621144653.62630-1-wsa+renesas@sang-engineering.com
    Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
    Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

 drivers/ufs/core/ufshcd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

culprit signature: c1512384fd0e6d2bd48b3a1ce2034eb5c0de195562eca27cd2c0c6ac58cd4863
parent  signature: 1f86ef314029ed6e1f240aae874259f4bb0f7978f8b38b29d6c184b82965b331
Reproducer flagged being flaky
revisions tested: 22, total time: 7h19m40.394414588s (build: 4h6m5.649755185s, test: 3h9m39.758112136s)
first bad commit: 82ede9c19839079e7953a47895729852a440080c scsi: ufs: core: Fix typos in error messages
recipients (to): ["jejb@linux.ibm.com" "linux-scsi@vger.kernel.org" "martin.petersen@oracle.com" "martin.petersen@oracle.com" "wsa+renesas@sang-engineering.com"]
recipients (cc): ["alim.akhtar@samsung.com" "avri.altman@wdc.com" "beanhuo@micron.com" "bvanassche@acm.org" "linux-kernel@vger.kernel.org"]
crash: WARNING: locking bug in ext4_xattr_inode_update_ref
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7673 at kernel/locking/lockdep.c:938 look_up_lock_class+0x110/0x120 kernel/locking/lockdep.c:928
Modules linked in:
CPU: 0 PID: 7673 Comm: syz-executor.0 Not tainted 5.19.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:look_up_lock_class+0x110/0x120 kernel/locking/lockdep.c:937
Code: 31 db 85 c0 74 af 83 3d d5 a5 da 03 00 75 a6 31 db 48 c7 c7 60 e6 ec 89 48 c7 c6 a0 e6 ec 89 31 c0 e8 64 b2 cc f7 0f 0b eb 8b <0f> 0b eb 87 e8 c7 fa ff ff 0f 1f 80 00 00 00 00 55 53 bd 01 00 00
RSP: 0018:ffffc9000294edb8 EFLAGS: 00010087
RAX: ffffffff8f067f40 RBX: ffffffff8eeda480 RCX: 000000000000075c
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88806a3d3628
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: fffffbfff1aac4de R11: 1ffffffff1aac4dd R12: ffff88806a3d3628
R13: ffff88806a3d3628 R14: 0000000000000000 R15: 1ffff92000529dc4
FS:  00007fcfcc7e9700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5db530e000 CR3: 000000001ef88000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 register_lock_class+0xfe/0x9d0 kernel/locking/lockdep.c:1287
 __lock_acquire+0xe9/0x1f80 kernel/locking/lockdep.c:4932
 lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5665
 down_write+0x95/0x170 kernel/locking/rwsem.c:1542
 inode_lock include/linux/fs.h:741 [inline]
 ext4_xattr_inode_update_ref+0x101/0x590 fs/ext4/xattr.c:985
 ext4_xattr_inode_inc_ref fs/ext4/xattr.c:1045 [inline]
 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1517 [inline]
 ext4_xattr_set_entry+0x2dd2/0x3620 fs/ext4/xattr.c:1656
 ext4_xattr_block_set+0x8f8/0x3280 fs/ext4/xattr.c:1952
 ext4_xattr_set_handle+0x94e/0x1110 fs/ext4/xattr.c:2379
 ext4_xattr_set+0x211/0x380 fs/ext4/xattr.c:2480
 __vfs_setxattr+0x300/0x350 fs/xattr.c:182
 __vfs_setxattr_noperm+0x100/0x4b0 fs/xattr.c:216
 vfs_setxattr+0x1dd/0x360 fs/xattr.c:303
 do_setxattr fs/xattr.c:588 [inline]
 setxattr fs/xattr.c:611 [inline]
 path_setxattr+0x316/0x3f0 fs/xattr.c:630
 __do_sys_setxattr fs/xattr.c:646 [inline]
 __se_sys_setxattr fs/xattr.c:642 [inline]
 __x64_sys_setxattr+0xb2/0xc0 fs/xattr.c:642
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fcfcba8c0c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcfcc7e9168 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007fcfcbbac050 RCX: 00007fcfcba8c0c9
RDX: 00000000200005c0 RSI: 0000000020000180 RDI: 00000000200000c0
RBP: 00007fcfcbae7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000002000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff2aeab52f R14: 00007fcfcc7e9300 R15: 0000000000022000
 </TASK>