ci starts bisection 2023-05-23 22:50:01.907484436 +0000 UTC m=+308724.249379504
bisecting cause commit starting from ae8373a5add4ea39f032563cf12a02946d1e3546
building syzkaller on 4bce1a3e705a8b62de8194bdb28f5eef89c8feec
ensuring issue is reproducible on original commit ae8373a5add4ea39f032563cf12a02946d1e3546

testing commit ae8373a5add4ea39f032563cf12a02946d1e3546 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 53329c92afe105e46c319c20da2f6f9f7fdf121998830d38aecda0fa85cec122
run #0: crashed: INFO: task hung in nfc_rfkill_set_block
run #1: crashed: INFO: task hung in nfc_rfkill_set_block
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: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
reproducer seems to be flaky
testing release v6.3
testing commit 457391b0380335d5e9a5babdec90ac53928b23b4 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1635dec4a80770be233c5e7f63dcfee46951452b9b091287066d9780bf8778db
run #0: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #1: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #2: crashed: INFO: task hung in nfc_rfkill_set_block
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v6.2
testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9fca8ac37ee5d40c08aa0e910dd918ebff773e1820fd30523948eb5f9c80016a
run #0: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #1: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #2: crashed: INFO: task hung in nfc_rfkill_set_block
run #3: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #4: crashed: INFO: task hung in rfkill_global_led_trigger_worker
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 65b0e21bf66da96fc56beaf116e65ffb17af8fff4df953b1732c8c32f68e8726
run #0: crashed: INFO: task hung in nfc_rfkill_set_block
run #1: crashed: INFO: task hung in nfc_rfkill_set_block
run #2: crashed: INFO: task hung in rfkill_global_led_trigger_worker
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
testing release v6.0
testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 36ed949cdd2968c13619aea77cfc3da2e944d32d7f3ed7b44d89c9745373575c
all runs: OK
# git bisect start 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 4fe89d07dcc2804c8b562f6c7896a45643d34b2f
Bisecting: 7514 revisions left to test after this (roughly 13 steps)
[33e591dee915832c618cf68bb1058c8e7d296128] Merge tag 'phy-for-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

testing commit 33e591dee915832c618cf68bb1058c8e7d296128 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2c1af286e60b12d279dd63f626848fd4863c604f90f74ccc5d4bbefdc4f97187
run #0: crashed: INFO: task hung in nfc_rfkill_set_block
run #1: crashed: INFO: task hung in nfc_rfkill_set_block
run #2: crashed: INFO: task hung in nfc_rfkill_set_block
run #3: crashed: INFO: task hung in nfc_rfkill_set_block
run #4: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #5: crashed: INFO: task hung in nfc_rfkill_set_block
run #6: crashed: INFO: task hung in nfc_rfkill_set_block
run #7: crashed: INFO: task hung in nfc_rfkill_set_block
run #8: crashed: INFO: task hung in nfc_rfkill_set_block
run #9: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #10: crashed: INFO: task hung in nfc_rfkill_set_block
run #11: crashed: INFO: task hung in nfc_rfkill_set_block
run #12: crashed: INFO: task hung in nfc_rfkill_set_block
run #13: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #14: crashed: INFO: task hung in nfc_rfkill_set_block
run #15: crashed: INFO: task hung in nfc_rfkill_set_block
run #16: crashed: INFO: task hung in nfc_rfkill_set_block
run #17: crashed: INFO: task hung in nfc_rfkill_set_block
run #18: crashed: INFO: task hung in nfc_rfkill_set_block
run #19: crashed: INFO: task hung in nfc_rfkill_set_block
# git bisect bad 33e591dee915832c618cf68bb1058c8e7d296128
Bisecting: 4354 revisions left to test after this (roughly 12 steps)
[a47e60729d9624e931f988709ab76e043e2ee8b9] Merge tag 'backlight-next-6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

testing commit a47e60729d9624e931f988709ab76e043e2ee8b9 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 314b5d4a1d2c4d18d5048737100121ab1fd90086046a5b196c0e483a19c38a36
run #0: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #1: OK
run #2: crashed: INFO: task hung in rfkill_global_led_trigger_worker
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad a47e60729d9624e931f988709ab76e043e2ee8b9
Bisecting: 1573 revisions left to test after this (roughly 11 steps)
[915b96c52763e2988e6368b538b487a7138b8fa4] Merge tag 'wireless-next-2022-09-30' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

testing commit 915b96c52763e2988e6368b538b487a7138b8fa4 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9d8c9f0c87265a8fc7405699b62f5ab461310a985fcb738ecd9cd5c3c080115e
all runs: OK
# git bisect good 915b96c52763e2988e6368b538b487a7138b8fa4
Bisecting: 894 revisions left to test after this (roughly 10 steps)
[522667b24f08009591c90e75bfe2ffb67f555498] Merge tag 'landlock-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

testing commit 522667b24f08009591c90e75bfe2ffb67f555498 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: bedd362471165ecc417121927e518bb3838bb1f1c0389f1b2d9124e108b8f188
run #0: boot failed: WARNING in netlink_ack
run #1: boot failed: WARNING in corrupted
run #2: boot failed: WARNING in corrupted
run #3: boot failed: WARNING in corrupted
run #4: boot failed: WARNING in corrupted
run #5: boot failed: WARNING in netlink_ack
run #6: boot failed: WARNING in corrupted
run #7: boot failed: WARNING in corrupted
run #8: boot failed: WARNING in corrupted
run #9: boot failed: WARNING in netlink_ack
run #10: boot failed: WARNING in corrupted
run #11: boot failed: WARNING in netlink_ack
run #12: boot failed: WARNING in netlink_ack
run #13: boot failed: WARNING in corrupted
run #14: boot failed: WARNING in corrupted
run #15: boot failed: WARNING in corrupted
run #16: boot failed: WARNING in corrupted
run #17: boot failed: WARNING in corrupted
run #18: boot failed: WARNING in corrupted
run #19: boot failed: WARNING in netlink_ack
# git bisect skip 522667b24f08009591c90e75bfe2ffb67f555498
Bisecting: 894 revisions left to test after this (roughly 10 steps)
[3db4c85cde7a514a5277070b32e776dbefcaa838] net/mlx5e: xsk: Use queue indices starting from 0 for XSK queues

testing commit 3db4c85cde7a514a5277070b32e776dbefcaa838 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 98590ba9edb7fd7caf78a3ae3a7f2cc1a7f1e55bccdd63851b3f619f35762ea3
run #0: crashed: INFO: task hung in nfc_rfkill_set_block
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 3db4c85cde7a514a5277070b32e776dbefcaa838
Bisecting: 41 revisions left to test after this (roughly 5 steps)
[448a496f760664d3e2e79466aa1787e6abc922b5] Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times

testing commit 448a496f760664d3e2e79466aa1787e6abc922b5 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 48b25d334f2e6de02b03d1917ff0fbf2bf0873c48baf0fb75019bfb2213f573b
run #0: crashed: INFO: task hung in nfc_rfkill_set_block
run #1: OK
run #2: OK
run #3: OK
run #4: crashed: INFO: task hung in nfc_rfkill_set_block
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 448a496f760664d3e2e79466aa1787e6abc922b5
Bisecting: 20 revisions left to test after this (roughly 4 steps)
[c4ba5800217b9efa710b27fbe638930830a95d19] Bluetooth: btusb: Add Realtek RTL8852C support ID 0x13D3:0x3592

testing commit c4ba5800217b9efa710b27fbe638930830a95d19 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 62b81fcf095d2be3fdb3d58a1f7d1d800938feefc39a35d84fd182b395e706cc
run #0: crashed: INFO: task hung in nfc_rfkill_set_block
run #1: crashed: INFO: task hung in nfc_rfkill_set_block
run #2: crashed: INFO: task hung in nfc_rfkill_set_block
run #3: crashed: INFO: task hung in nfc_rfkill_set_block
run #4: crashed: INFO: task hung in nfc_rfkill_set_block
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad c4ba5800217b9efa710b27fbe638930830a95d19
Bisecting: 9 revisions left to test after this (roughly 3 steps)
[123f6d3ae773f769695830518690ac3e4a477e82] Bluetooth: hci_sync: Fix suspend performance regression

testing commit 123f6d3ae773f769695830518690ac3e4a477e82 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: fdfa06052462cead22a48a3f7342707832dcdf5750371546cc4487489705b0a8
run #0: crashed: INFO: task hung in rfkill_global_led_trigger_worker
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 123f6d3ae773f769695830518690ac3e4a477e82
Bisecting: 4 revisions left to test after this (roughly 3 steps)
[c249ea9b4309cf3250c5bbb42a05d38d0ed9071c] Bluetooth: Move Adv Instance timer to hci_sync

testing commit c249ea9b4309cf3250c5bbb42a05d38d0ed9071c gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c91454b60d199f010825360a753c58d37b2368c3112d4a4f21ea716900657f6d
run #0: crashed: INFO: task hung in nfc_rfkill_set_block
run #1: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #2: crashed: INFO: task hung in nfc_rfkill_set_block
run #3: crashed: INFO: task hung in rfkill_global_led_trigger_worker
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad c249ea9b4309cf3250c5bbb42a05d38d0ed9071c
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[27d54b778ad1fb32c2c108cfe97e861c3909a46f] Bluetooth: Rework le_scan_restart for hci_sync

testing commit 27d54b778ad1fb32c2c108cfe97e861c3909a46f gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 4df8f474307f96f1070bcb6c687c9783c02fe4763b6080e765cc775b9574d5db
run #0: crashed: INFO: task hung in rfkill_global_led_trigger_worker
run #1: crashed: INFO: task hung in nfc_rfkill_set_block
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 27d54b778ad1fb32c2c108cfe97e861c3909a46f
Bisecting: 1 revision left to test after this (roughly 1 step)
[7ac7267fad5908476b357e7e9813d23516c2b0a1] Bluetooth: Add VID/PID 0489/e0e0 for MediaTek MT7921

testing commit 7ac7267fad5908476b357e7e9813d23516c2b0a1 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 355dd51a5b319702aa9887c03722af1832a72abb1eec119c7848100d766eb4f6
run #0: crashed: INFO: task hung in nfc_rfkill_set_block
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: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
# git bisect bad 7ac7267fad5908476b357e7e9813d23516c2b0a1
7ac7267fad5908476b357e7e9813d23516c2b0a1 is the first bad commit
commit 7ac7267fad5908476b357e7e9813d23516c2b0a1
Author: Fae <faenkhauser@gmail.com>
Date:   Sun Jul 24 13:25:02 2022 -0500

    Bluetooth: Add VID/PID 0489/e0e0 for MediaTek MT7921
    
    Tested on HP Envy ey0xxx
    
    output from /sys/kernel/debug/usb/devices:
    
    T:  Bus=01 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#=  2 Spd=480  MxCh= 0
    D:  Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs=  1
    P:  Vendor=0489 ProdID=e0e0 Rev= 1.00
    S:  Manufacturer=MediaTek Inc.
    S:  Product=Wireless_Device
    S:  SerialNumber=000000000
    C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=100mA
    A:  FirstIf#= 0 IfCount= 3 Cls=e0(wlcon) Sub=01 Prot=01
    I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
    E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=125us
    E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
    I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
    E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
    E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
    I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
    E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
    E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
    I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
    E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
    E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
    I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
    E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
    E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
    I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
    E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
    E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
    I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
    E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
    E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
    I:  If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
    E:  Ad=83(I) Atr=01(Isoc) MxPS=  63 Ivl=1ms
    E:  Ad=03(O) Atr=01(Isoc) MxPS=  63 Ivl=1ms
    I:* If#= 2 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
    E:  Ad=8a(I) Atr=03(Int.) MxPS=  64 Ivl=125us
    E:  Ad=0a(O) Atr=03(Int.) MxPS=  64 Ivl=125us
    I:  If#= 2 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
    E:  Ad=8a(I) Atr=03(Int.) MxPS= 512 Ivl=125us
    E:  Ad=0a(O) Atr=03(Int.) MxPS= 512 Ivl=125us
    
    Signed-off-by: Fae <faenkhauser@gmail.com>
    Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

 drivers/bluetooth/btusb.c | 3 +++
 1 file changed, 3 insertions(+)

parent commit b9030780971b56c0c455c3b66244efd96608846d wasn't tested
testing commit b9030780971b56c0c455c3b66244efd96608846d gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f16d944171622e21eb0e396b5fdcdf6572350beaab5430885f327c9154e8c990
culprit signature: 355dd51a5b319702aa9887c03722af1832a72abb1eec119c7848100d766eb4f6
parent  signature: f16d944171622e21eb0e396b5fdcdf6572350beaab5430885f327c9154e8c990
Reproducer flagged being flaky
revisions tested: 16, total time: 6h52m37.895833903s (build: 3h44m19.721867519s, test: 3h4m35.275210436s)
first bad commit: 7ac7267fad5908476b357e7e9813d23516c2b0a1 Bluetooth: Add VID/PID 0489/e0e0 for MediaTek MT7921
recipients (to): ["faenkhauser@gmail.com" "luiz.von.dentz@intel.com"]
recipients (cc): []
crash: INFO: task hung in nfc_rfkill_set_block
INFO: task kworker/1:5:4033 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:27184 pid: 4033 ppid:     2 flags:0x00004000
Workqueue: events rfkill_sync_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0xa9f/0x5270 kernel/sched/core.c:6494
 schedule+0xde/0x1b0 kernel/sched/core.c:6570
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6629
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747
 device_lock include/linux/device.h:835 [inline]
 nfc_dev_down+0x23/0x270 net/nfc/core.c:143
 nfc_rfkill_set_block+0x19/0xa0 net/nfc/core.c:179
 rfkill_set_block+0x191/0x440 net/rfkill/core.c:345
 rfkill_sync_work+0x89/0xc0 net/rfkill/core.c:1042
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 worker_thread+0x59c/0xec0 kernel/workqueue.c:2436
 kthread+0x29e/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
INFO: task syz-executor.0:15908 blocked for more than 143 seconds.
      Not tainted 6.0.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:28592 pid:15908 ppid:  3889 flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5182 [inline]
 __schedule+0xa9f/0x5270 kernel/sched/core.c:6494
 schedule+0xde/0x1b0 kernel/sched/core.c:6570
 schedule_timeout+0x1a1/0x260 kernel/time/timer.c:1911
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common+0x1c2/0x540 kernel/sched/completion.c:106
 __flush_work+0x48f/0xa30 kernel/workqueue.c:3075
 __cancel_work_timer+0x315/0x460 kernel/workqueue.c:3162
 rfkill_unregister+0x81/0x290 net/rfkill/core.c:1124
 nfc_unregister_device+0x6c/0x2d0 net/nfc/core.c:1167
 virtual_ncidev_close+0x57/0x80 drivers/nfc/virtual_ncidev.c:163
 __fput+0x1f5/0x8c0 fs/file_table.c:320
 task_work_run+0xc4/0x160 kernel/task_work.c:177
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:169 [inline]
 exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
 syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:294
 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f0a78a3e01b
RSP: 002b:00007fffba8705c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f0a78a3e01b
RDX: 00007f0a78600298 RSI: ffffffffffffffff RDI: 0000000000000003
RBP: 00007f0a78bad980 R08: 0000000000000000 R09: 00007f0a78600000
R10: 00007f0a786002a0 R11: 0000000000000293 R12: 00000000000230a2
R13: 00007fffba8706c0 R14: 00007f0a78babf80 R15: 0000000000000032
 </TASK>

Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
 #0: ffffffff8b780830 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff8b780530 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507
1 lock held by khungtaskd/28:
 #0: ffffffff8b781380 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6492
2 locks held by getty/3290:
 #0: ffff88801d77c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x80 drivers/tty/tty_ldisc.c:244
 #1: ffffc900020282f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xb73/0x1040 drivers/tty/n_tty.c:2177
4 locks held by kworker/1:5/4033:
 #0: ffff888011467d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff888011467d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
 #0: ffff888011467d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
 #0: ffff888011467d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
 #0: ffff888011467d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
 #0: ffff888011467d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x78a/0x13d0 kernel/workqueue.c:2260
 #1: ffffc9000318fdb8 ((work_completion)(&rfkill->sync_work)){+.+.}-{0:0}, at: process_one_work+0x7b7/0x13d0 kernel/workqueue.c:2264
 #2: ffffffff8d39d408 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_sync_work+0x1e/0xc0 net/rfkill/core.c:1040
 #3: ffff8880759fc100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
 #3: ffff8880759fc100 (&dev->mutex){....}-{3:3}, at: nfc_dev_down+0x23/0x270 net/nfc/core.c:143
1 lock held by syz-executor.0/15908:
 #0: ffff8880759fc100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:835 [inline]
 #0: ffff8880759fc100 (&dev->mutex){....}-{3:3}, at: nfc_unregister_device+0x40/0x2d0 net/nfc/core.c:1165
2 locks held by syz-executor.0/15914:
 #0: ffff88801d9a0118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:373 [inline]
 #0: ffff88801d9a0118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:431 [inline]
 #0: ffff88801d9a0118 (&data->open_mutex){+.+.}-{3:3}, at: vhci_write+0x268/0x3f0 drivers/bluetooth/hci_vhci.c:511
 #1: ffffffff8d39d408 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x2c/0xa00 net/rfkill/core.c:1057
2 locks held by syz-executor.0/15921:
 #0: ffff88807367c918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_create_device drivers/bluetooth/hci_vhci.c:373 [inline]
 #0: ffff88807367c918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_get_user drivers/bluetooth/hci_vhci.c:431 [inline]
 #0: ffff88807367c918 (&data->open_mutex){+.+.}-{3:3}, at: vhci_write+0x268/0x3f0 drivers/bluetooth/hci_vhci.c:511
 #1: ffffffff8d39d408 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_register+0x2c/0xa00 net/rfkill/core.c:1057

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x5b/0x81 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x30/0xca lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x158/0x190 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
 watchdog+0x890/0xbf0 kernel/hung_task.c:369
 kthread+0x29e/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.0.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:hlock_class kernel/locking/lockdep.c:227 [inline]
RIP: 0010:__lock_acquire+0xbcb/0x56d0 kernel/locking/lockdep.c:5050
Code: 20 66 81 e3 ff 1f 0f b7 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 3a 16 90 e8 0d fa 5a 00 48 0f a3 1d 85 17 bf 0e <0f> 83 0c 0d 00 00 48 8d 1c 5b 48 c1 e3 06 48 81 c3 a0 3e 16 90 48
RSP: 0018:ffffc9000031f810 EFLAGS: 00000047
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffffffff815722f3
RDX: fffffbfff202c751 RSI: 0000000000000008 RDI: ffffffff90163a80
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff90163a87
R10: fffffbfff202c750 R11: 0000000000000000 R12: ffff8880117e4b18
R13: ffff8880117e4000 R14: ffff8880117e4a78 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ee23038390 CR3: 000000000b48e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 lock_acquire kernel/locking/lockdep.c:5666 [inline]
 lock_acquire+0x1af/0x570 kernel/locking/lockdep.c:5631
 __mutex_lock_common kernel/locking/mutex.c:603 [inline]
 __mutex_lock+0x12f/0x1360 kernel/locking/mutex.c:747
 arch_jump_label_transform_queue+0x5c/0x100 arch/x86/kernel/jump_label.c:136
 __jump_label_update+0xea/0x330 kernel/jump_label.c:447
 static_key_disable_cpuslocked+0x104/0x160 kernel/jump_label.c:207
 static_key_disable+0x15/0x20 kernel/jump_label.c:215
 toggle_allocation_gate mm/kfence/core.c:825 [inline]
 toggle_allocation_gate+0x158/0x310 mm/kfence/core.c:803
 process_one_work+0x865/0x13d0 kernel/workqueue.c:2289
 worker_thread+0x59c/0xec0 kernel/workqueue.c:2436
 kthread+0x29e/0x340 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>