ci2 starts bisection 2023-04-18 12:58:08.299152293 +0000 UTC m=+61104.509974177
bisecting fixing commit since 8020ae3c051d1c9ec7b7a872e226f9720547649b
building syzkaller on 7939252e4ddf50bbb9912069a40d32f6c83c4f8e
ensuring issue is reproducible on original commit 8020ae3c051d1c9ec7b7a872e226f9720547649b

testing commit 8020ae3c051d1c9ec7b7a872e226f9720547649b gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 4191e3d3e9f94ff1fd364fd4063d58bd5463a0c2beb6a1dd239874382cb1ee53
all runs: crashed: WARNING in smsusb_term_device
testing current HEAD 4fdad925aa1a320c2f32bf956ed29100c7fdc464
testing commit 4fdad925aa1a320c2f32bf956ed29100c7fdc464 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e634b54e43bb4130cab94045fe6677d20a3e99b7d7d7ffd97eb394c2fe928f8c
all runs: crashed: WARNING in smsusb_term_device
revisions tested: 2, total time: 37m2.47927035s (build: 28m18.515799325s, test: 6m11.420247214s)
the crash still happens on HEAD
commit msg: Linux 5.15.107
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: 1 PID: 3607 at kernel/workqueue.c:3083 __flush_work+0x12a/0x180 kernel/workqueue.c:3080
Modules linked in:
CPU: 1 PID: 3607 Comm: kworker/1:5 Not tainted 5.15.107-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:3083
Code: de e8 6a 9a 00 00 84 c0 74 22 48 8d 7b 48 e8 cd 75 e1 07 48 89 df 48 c7 c6 40 e1 89 89 e8 9e a2 61 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: 0018:ffffc90002a5e8c0 EFLAGS: 00010246
RAX: 1ffff1100ef4ac20 RBX: ffff888077a56100 RCX: 0000000000000000
RDX: 00000000000000a8 RSI: 0000000000000000 RDI: ffffc90002a5e988
RBP: ffffc90002a5ea30 R08: dffffc0000000000 R09: ffffc90002a5e8e0
R10: 0000000000000001 R11: dffffc0000000001 R12: ffff888077a560e8
R13: dffffc0000000000 R14: 1ffff9200054bd18 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffda0290128 CR3: 000000002135f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __cancel_work_timer+0x47d/0x5d0 kernel/workqueue.c:3177
 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+0x20d/0x9e0 drivers/base/dd.c:595
 __driver_probe_device+0x1e1/0x350 drivers/base/dd.c:750
 driver_probe_device+0x4b/0x3a0 drivers/base/dd.c:780
 __device_attach_driver+0x2c5/0x3e0 drivers/base/dd.c:902
 bus_for_each_drv+0x152/0x1b0 drivers/base/bus.c:427
 __device_attach+0x2bd/0x4b0 drivers/base/dd.c:974
 bus_probe_device+0x82/0x190 drivers/base/bus.c:487
 device_add+0x7d1/0xde0 drivers/base/core.c:3394
 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+0x20d/0x9e0 drivers/base/dd.c:595
 __driver_probe_device+0x1e1/0x350 drivers/base/dd.c:750
 driver_probe_device+0x4b/0x3a0 drivers/base/dd.c:780
 __device_attach_driver+0x2c5/0x3e0 drivers/base/dd.c:902
 bus_for_each_drv+0x152/0x1b0 drivers/base/bus.c:427
 __device_attach+0x2bd/0x4b0 drivers/base/dd.c:974
 bus_probe_device+0x82/0x190 drivers/base/bus.c:487
 device_add+0x7d1/0xde0 drivers/base/core.c:3394
 usb_new_device+0xbeb/0x1820 drivers/usb/core/hub.c:2568
 hub_port_connect drivers/usb/core/hub.c:5358 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5502 [inline]
 port_event drivers/usb/core/hub.c:5648 [inline]
 hub_event+0x2814/0x4630 drivers/usb/core/hub.c:5730
 process_one_work+0x799/0xe10 kernel/workqueue.c:2306
 worker_thread+0x8f2/0xfb0 kernel/workqueue.c:2453
 kthread+0x3a8/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>