ci starts bisection 2022-11-04 12:13:23.67025257 +0000 UTC m=+59529.220581441
bisecting fixing commit since 200e340f2196d7fd427a5810d06e893b932f145a
building syzkaller on 1c9013acc70de325dbb554c8c40c17ed02eff33f
ensuring issue is reproducible on original commit 200e340f2196d7fd427a5810d06e893b932f145a

testing commit 200e340f2196d7fd427a5810d06e893b932f145a gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2b87357050b81e7693dc7287dbcbfc254fa693b1989db51afe5d4d2f6ee8a73e
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: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
run #10: crashed: INFO: rcu detected stall in corrupted
run #11: crashed: INFO: rcu detected stall in corrupted
run #12: crashed: INFO: rcu detected stall in dummy_timer
run #13: crashed: INFO: rcu detected stall in cleanup_net
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: crashed: INFO: rcu detected stall in corrupted
run #19: OK
testing current HEAD ee6050c8af96bba2f81e8b0793a1fc2f998fcd20
testing commit ee6050c8af96bba2f81e8b0793a1fc2f998fcd20 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 950727915e66879c466bc68cd8cbf1c6f7d40ba11d8ebcb3def2f0407e6cdcb7
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: OK
run #8: OK
run #9: crashed: INFO: rcu detected stall in corrupted
revisions tested: 2, total time: 37m45.569533215s (build: 13m56.569479086s, test: 23m0.671956456s)
the crash still happens on HEAD
commit msg: Merge tag 'ata-6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
crash: INFO: rcu detected stall in corrupted
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 1-....
 } 2653 jiffies s: 55553 root: 0x0/.
rcu: blocking rcu_node structures (internal RCU debug):
usb 1-1: USB disconnect, device number 73
usb 1-1: new high-speed USB device number 74 using dummy_hcd
usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7
usb 1-1: New USB device found, idVendor=15c2, idProduct=0039, bcdDevice=a9.8c
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
input: iMON Panel, Knob and Mouse(15c2:0039) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input2357
rc_core: IR keymap rc-imon-pad not found
Registered IR keymap rc-empty
imon 1-1:0.0: Looks like you're trying to use an IR protocol this device does not support
imon 1-1:0.0: Unsupported IR protocol specified, overriding to iMON IR protocol
rc rc3: iMON Remote (15c2:0039) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc3
input: iMON Remote (15c2:0039) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc3/input2359
imon 1-1:0.0: iMON device (15c2:0039, intf0) on usb<1:74> initialized
usb 1-1: USB disconnect, device number 74
usb 1-1: new high-speed USB device number 75 using dummy_hcd
usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7
usb 1-1: New USB device found, idVendor=15c2, idProduct=0039, bcdDevice=a9.8c
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
input: iMON Panel, Knob and Mouse(15c2:0039) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/input/input2371
rc_core: IR keymap rc-imon-pad not found
Registered IR keymap rc-empty
imon 1-1:0.0: Looks like you're trying to use an IR protocol this device does not support
imon 1-1:0.0: Unsupported IR protocol specified, overriding to iMON IR protocol
rc rc2: iMON Remote (15c2:0039) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc2
input: iMON Remote (15c2:0039) as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/rc/rc2/input2372
imon 1-1:0.0: iMON device (15c2:0039, intf0) on usb<1:75> initialized