bisecting fixing commit since dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0
building syzkaller on 214351e168def9426c79e1f65a93ddb112cee906
testing commit dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1e757afb085e795ad9b545a49a750ab71e9873a363177f1a34cdac53cf0bb2e1
run #0: crashed: WARNING in cm109_input_open/usb_submit_urb
run #1: crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
run #2: crashed: WARNING in cm109_input_open/usb_submit_urb
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
reproducer seems to be flaky
testing current HEAD 0840a7914caa14315a3191178a9f72c742477860
testing commit 0840a7914caa14315a3191178a9f72c742477860
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d363da7cce604405cc9ae085bdcf4fcab63e9000a0835ce96ceb54683256df50
all runs: crashed: INFO: rcu detected stall in corrupted
Reproducer flagged being flaky
revisions tested: 2, total time: 34m30.301051136s (build: 12m22.115031764s, test: 21m22.377868329s)
the crash still happens on HEAD
commit msg: Merge tag 'char-misc-5.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
crash: INFO: rcu detected stall in corrupted
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { } 5 jiffies s: 28669 root: 0x0/.
usb 4-1: USB disconnect, device number 67
cm109 4-1:0.0: cm109_toggle_buzzer_sync: usb_control_msg() failed -19
usb 4-1: new high-speed USB device number 68 using dummy_hcd
usb 4-1: Using ep0 maxpacket: 16
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7
usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid wMaxPacketSize 0
usb 4-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=b6.8f
usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 4-1: Product: syz
usb 4-1: Manufacturer: syz
usb 4-1: SerialNumber: syz
usb 4-1: config 0 descriptor??
cm109 4-1:0.0: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.0/input/input1160
usb 5-1: USB disconnect, device number 68
cm109 5-1:0.0: cm109_toggle_buzzer_sync: usb_control_msg() failed -19
usb 5-1: new high-speed USB device number 69 using dummy_hcd
usb 5-1: Using ep0 maxpacket: 16
usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7
usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid wMaxPacketSize 0
usb 5-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=b6.8f
usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 5-1: Product: syz
usb 5-1: Manufacturer: syz
usb 5-1: SerialNumber: syz
usb 5-1: config 0 descriptor??
cm109 5-1:0.0: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.4/usb5/5-1/5-1:0.0/input/input1165
usb 3-1: USB disconnect, device number 71
cm109 3-1:0.0: cm109_toggle_buzzer_sync: usb_control_msg() failed -19
usb 3-1: new high-speed USB device number 72 using dummy_hcd
usb 3-1: Using ep0 maxpacket: 16
usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7
usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid wMaxPacketSize 0
usb 3-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=b6.8f
usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 3-1: Product: syz
usb 3-1: Manufacturer: syz
usb 3-1: SerialNumber: syz
usb 3-1: config 0 descriptor??
cm109 3-1:0.0: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.0/input/input1178
usb 6-1: USB disconnect, device number 73
cm109 6-1:0.0: cm109_toggle_buzzer_sync: usb_control_msg() failed -19
usb 6-1: new high-speed USB device number 74 using dummy_hcd
usb 6-1: Using ep0 maxpacket: 16