ci2 starts bisection 2023-06-06 22:05:14.674265811 +0000 UTC m=+436538.321173475
bisecting fixing commit since 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95
building syzkaller on 90c93c40627cb0ac3c2c7cb99d807fd4c137adcb
ensuring issue is reproducible on original commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95

testing commit 8a7f2a5c5aa1648edb4f2029c6ec33870afb7a95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 79266f889b7e660e7b64fc7fda120c6bc9093d29b99a37ef3c387247b668db12
all runs: crashed: WARNING in smsusb_term_device
testing current HEAD d7af3e5ba454d007b4939f858739cf1cecdeab46
testing commit d7af3e5ba454d007b4939f858739cf1cecdeab46 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e332a55b4efe5e081c68703f7250b6c563230834bd06cf6a5a8b3b76ded506a2
all runs: crashed: WARNING in smsusb_term_device
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 27m55.73206272s (build: 21m25.2963673s, test: 6m6.922277271s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 5.15.115
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: 3516 at kernel/workqueue.c:3084 __flush_work+0x7b0/0xab0 kernel/workqueue.c:3081
Modules linked in:
CPU: 0 PID: 3516 Comm: kworker/0:4 Not tainted 5.15.115-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: usb_hub_wq hub_event
RIP: 0010:__flush_work+0x7b0/0xab0 kernel/workqueue.c:3084
Code: 6d 00 03 48 8b 95 60 fe ff ff 4c 8b 95 68 fe ff ff 8b 8d 78 fe ff ff 44 8b 85 80 fe ff ff e9 6b fb ff ff 0f 0b e9 30 fd ff ff <0f> 0b 45 31 ff e9 26 fd ff ff 4c 89 95 88 fe ff ff e8 ca ca 64 00
RSP: 0018:ffffc90002a3ec40 EFLAGS: 00010246
RAX: 1ffff1100fc1f820 RBX: 0000000000000021 RCX: 1ffffffff1f85ba2
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff88807e0fc0e8
RBP: ffffc90002a3ede0 R08: 0000000000000001 R09: ffffffff8fc02b97
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807e0fc0e8
R13: ffff88807e0fc0e8 R14: ffff88807e0fc100 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3d8699d111 CR3: 000000001ded0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __cancel_work_timer+0x315/0x460 kernel/workqueue.c:3178
 smsusb_stop_streaming drivers/media/usb/siano/smsusb.c:182 [inline]
 smsusb_term_device+0xda/0x2d0 drivers/media/usb/siano/smsusb.c:344
 smsusb_init_device+0x400/0x9ce drivers/media/usb/siano/smsusb.c:419
 smsusb_probe+0xbd7/0xc6f drivers/media/usb/siano/smsusb.c:567
 usb_probe_interface+0x274/0x6a0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:516 [inline]
 really_probe+0x1c2/0xb60 drivers/base/dd.c:595
 __driver_probe_device+0x27f/0x3e0 drivers/base/dd.c:755
 driver_probe_device+0x44/0x110 drivers/base/dd.c:785
 __device_attach_driver+0x14a/0x270 drivers/base/dd.c:907
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x19e/0x440 drivers/base/dd.c:979
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0x9bb/0x1b30 drivers/base/core.c:3394
 usb_set_configuration+0xa33/0x17e0 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x74/0xa0 drivers/usb/core/generic.c:238
 usb_probe_device+0x95/0x240 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:516 [inline]
 really_probe+0x1c2/0xb60 drivers/base/dd.c:595
 __driver_probe_device+0x27f/0x3e0 drivers/base/dd.c:755
 driver_probe_device+0x44/0x110 drivers/base/dd.c:785
 __device_attach_driver+0x14a/0x270 drivers/base/dd.c:907
 bus_for_each_drv+0x11e/0x1a0 drivers/base/bus.c:427
 __device_attach+0x19e/0x440 drivers/base/dd.c:979
 bus_probe_device+0x19d/0x250 drivers/base/bus.c:487
 device_add+0x9bb/0x1b30 drivers/base/core.c:3394
 usb_new_device.cold+0x585/0xe70 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+0x111f/0x3830 drivers/usb/core/hub.c:5730
 process_one_work+0x85b/0x1360 kernel/workqueue.c:2307
 worker_thread+0x5a6/0xf90 kernel/workqueue.c:2454
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>