ci2 starts bisection 2023-07-07 09:14:45.195737072 +0000 UTC m=+28001.057604362 bisecting fixing commit since 0ab06468cbd149aac0d7f216ec00452ff8c74e0b building syzkaller on a4ae4f428721da42ac15f07d6f3b54584dedee27 ensuring issue is reproducible on original commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1b6714e850ff280c3ec949638a26588260c78cba7111b6989b6cd7df353a8c77 all runs: crashed: WARNING in amradio_send_cmd/usb_submit_urb representative crash: WARNING in amradio_send_cmd/usb_submit_urb, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ed15602ef99bb419fac7246e97ced69f585157151ac7d97439dbc8023ad1e190 all runs: crashed: WARNING in amradio_send_cmd/usb_submit_urb representative crash: WARNING in amradio_send_cmd/usb_submit_urb, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing current HEAD d54cfc420586425d418a53871290cc4a59d33501 testing commit d54cfc420586425d418a53871290cc4a59d33501 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0a1880c9dced7ec62c00bf25381833e57b337c5226a191986051fb432ac626a0 all runs: crashed: WARNING in amradio_send_cmd/usb_submit_urb representative crash: WARNING in amradio_send_cmd/usb_submit_urb, types: [WARNING] crash still not fixed/happens on the oldest tested release revisions tested: 3, total time: 1h14m6.286243708s (build: 48m23.590280202s, test: 8m56.581748421s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 5.15.120 crash: WARNING in amradio_send_cmd/usb_submit_urb usb 1-1: string descriptor 0 read error: -22 usb 1-1: New USB device found, idVendor=07ca, idProduct=b800, bcdDevice=b9.c5 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 0 PID: 2923 at drivers/usb/core/urb.c:502 usb_submit_urb+0x44f/0x6a0 drivers/usb/core/urb.c:502 Modules linked in: CPU: 0 PID: 2923 Comm: kworker/0:3 Not tainted 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0x44f/0x6a0 drivers/usb/core/urb.c:502 Code: 89 54 24 10 44 89 44 24 08 e8 fd 32 bd ff 44 8b 44 24 08 44 89 f9 48 c7 c7 38 1b 92 84 48 8b 54 24 10 48 89 c6 e8 80 67 fd 00 <0f> 0b e9 68 fd ff ff 41 b8 85 03 00 00 45 29 f0 e9 82 fd ff ff 89 RSP: 0018:ffffc90009c13758 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff849e0dc1 RDI: 00000000ffffffff RBP: ffff88810af089c0 R08: ffffffff84ff6488 R09: 0000000000000003 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: ffff888117da3800 R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b6b028d131 CR3: 000000010ad1b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: usb_start_wait_urb+0x60/0x160 drivers/usb/core/message.c:58 amradio_send_cmd+0xb8/0x310 drivers/media/radio/radio-mr800.c:150 amradio_set_mute drivers/media/radio/radio-mr800.c:182 [inline] usb_amradio_init drivers/media/radio/radio-mr800.c:411 [inline] usb_amradio_probe+0x195/0x230 drivers/media/radio/radio-mr800.c:554 usb_probe_interface+0xda/0x290 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:516 [inline] really_probe+0xbc/0x3b0 drivers/base/dd.c:595 __driver_probe_device+0xd1/0x120 drivers/base/dd.c:755 driver_probe_device+0x19/0x90 drivers/base/dd.c:785 __device_attach_driver+0x71/0xf0 drivers/base/dd.c:907 bus_for_each_drv+0x79/0xc0 drivers/base/bus.c:427 __device_attach+0xb9/0x210 drivers/base/dd.c:979 bus_probe_device+0x97/0xb0 drivers/base/bus.c:487 device_add+0x421/0x930 drivers/base/core.c:3394 usb_set_configuration+0x4f7/0x8e0 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x47/0x70 drivers/usb/core/generic.c:238 usb_probe_device+0x2b/0xf0 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:516 [inline] really_probe+0xbc/0x3b0 drivers/base/dd.c:595 __driver_probe_device+0xd1/0x120 drivers/base/dd.c:755 driver_probe_device+0x19/0x90 drivers/base/dd.c:785 __device_attach_driver+0x71/0xf0 drivers/base/dd.c:907 bus_for_each_drv+0x79/0xc0 drivers/base/bus.c:427 __device_attach+0xb9/0x210 drivers/base/dd.c:979 bus_probe_device+0x97/0xb0 drivers/base/bus.c:487 device_add+0x421/0x930 drivers/base/core.c:3394 usb_new_device.cold+0xbc/0x3be 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+0xe9a/0x1860 drivers/usb/core/hub.c:5730 process_one_work+0x26f/0x510 kernel/workqueue.c:2307 worker_thread+0x4d/0x3b0 kernel/workqueue.c:2454 kthread+0x13c/0x160 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298