ci2 starts bisection 2023-04-18 11:28:33.549056145 +0000 UTC m=+55729.759877989
bisecting fixing commit since 7eaef76fbc4621ced374c85dbc000dd80dc681d7
building syzkaller on 7939252e4ddf50bbb9912069a40d32f6c83c4f8e
ensuring issue is reproducible on original commit 7eaef76fbc4621ced374c85dbc000dd80dc681d7

testing commit 7eaef76fbc4621ced374c85dbc000dd80dc681d7 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e19058926e38f9d9814617fc2eca4351bbc66e4d99c389c0fca49b230d72f24f
all runs: crashed: WARNING in smsusb_term_device
testing current HEAD 0102425ac76bd184704c698cab7cb4fe37997556
testing commit 0102425ac76bd184704c698cab7cb4fe37997556 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 2e5c8b753c81af204d559c1ddec63fd1a2038e10183786d5effaa7e8d7c5288c
all runs: crashed: WARNING in smsusb_term_device
revisions tested: 2, total time: 46m34.923647326s (build: 38m22.106549341s, test: 6m16.565182977s)
the crash still happens on HEAD
commit msg: Linux 6.1.24
crash: WARNING in smsusb_term_device
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1: Product: syz
usb 1-1: Manufacturer: syz
usb 1-1: SerialNumber: syz
usb 1-1: config 0 descriptor??
smsusb:smsusb_probe: board id=8, interface number 0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7 at kernel/workqueue.c:3066 __flush_work+0x12a/0x180 kernel/workqueue.c:3063
Modules linked in:
CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.1.24-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Workqueue: usb_hub_wq hub_event
RIP: 0010:__flush_work+0x12a/0x180 kernel/workqueue.c:3066
Code: de e8 ca 9b 00 00 84 c0 74 22 48 8d 7b 48 e8 0d a6 36 08 48 89 df 48 c7 c6 a0 a7 ea 89 e8 ae 0f 81 02 b0 01 eb 08 0f 0b eb 02 <0f> 0b 31 c0 48 c7 04 24 0e 36 e0 45 43 c7 44 35 00 00 00 00 00 4b
RSP: 0000:ffffc900000c68e0 EFLAGS: 00010246
RAX: 1ffff1100fd58c20 RBX: ffff88807eac6100 RCX: 0000000000000000
RDX: 00000000000000a8 RSI: 0000000000000000 RDI: ffffc900000c69a8
RBP: ffffc900000c6a50 R08: dffffc0000000000 R09: ffffc900000c6900
R10: 0000000000000005 R11: dffffc0000000001 R12: ffff88807eac60e8
R13: dffffc0000000000 R14: 1ffff92000018d1c R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f85ac8e2008 CR3: 000000000bc8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __cancel_work_timer+0x47d/0x5d0 kernel/workqueue.c:3160
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0xd9/0x210 drivers/media/usb/siano/smsusb.c:344
 smsusb_init_device drivers/media/usb/siano/smsusb.c:419 [inline]
 smsusb_probe+0xa86/0x1df0 drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x49b/0x9a0 drivers/usb/core/driver.c:396
 really_probe+0x259/0xa30 drivers/base/dd.c:639
 __driver_probe_device+0x1e1/0x350 drivers/base/dd.c:778
 driver_probe_device+0x4b/0x3a0 drivers/base/dd.c:808
 __device_attach_driver+0x2c9/0x3e0 drivers/base/dd.c:936
 bus_for_each_drv+0x152/0x1b0 drivers/base/bus.c:427
 __device_attach+0x2bd/0x4b0 drivers/base/dd.c:1008
 bus_probe_device+0x82/0x190 drivers/base/bus.c:487
 device_add+0x7d1/0xde0 drivers/base/core.c:3664
 usb_set_configuration+0x17e7/0x1df0 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x61/0xf0 drivers/usb/core/generic.c:238
 usb_probe_device+0xc3/0x1e0 drivers/usb/core/driver.c:293
 really_probe+0x259/0xa30 drivers/base/dd.c:639
 __driver_probe_device+0x1e1/0x350 drivers/base/dd.c:778
 driver_probe_device+0x4b/0x3a0 drivers/base/dd.c:808
 __device_attach_driver+0x2c9/0x3e0 drivers/base/dd.c:936
 bus_for_each_drv+0x152/0x1b0 drivers/base/bus.c:427
 __device_attach+0x2bd/0x4b0 drivers/base/dd.c:1008
 bus_probe_device+0x82/0x190 drivers/base/bus.c:487
 device_add+0x7d1/0xde0 drivers/base/core.c:3664
 usb_new_device+0xbf6/0x1820 drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5355 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5499 [inline]
 port_event drivers/usb/core/hub.c:5655 [inline]
 hub_event+0x24e8/0x4910 drivers/usb/core/hub.c:5737
 process_one_work+0x7be/0xf30 kernel/workqueue.c:2289
 worker_thread+0x8c5/0xfc0 kernel/workqueue.c:2436
 kthread+0x22a/0x2a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>