ci starts bisection 2023-02-28 13:06:30.475086484 +0000 UTC m=+34716.422974220 bisecting fixing commit since eb7081409f94a9a8608593d0fb63a1aa3d6f95d8 building syzkaller on 1c576c232f825266983096180b3603005edc458e ensuring issue is reproducible on original commit eb7081409f94a9a8608593d0fb63a1aa3d6f95d8 testing commit eb7081409f94a9a8608593d0fb63a1aa3d6f95d8 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0db2dd4f89385b616fee2a32e73995d50f9154c654b301a63320f2f9c2481125 all runs: crashed: WARNING in ar5523_cmd/usb_submit_urb testing current HEAD ae3419fbac845b4d3f3a9fae4cc80c68d82cdf6e testing commit ae3419fbac845b4d3f3a9fae4cc80c68d82cdf6e gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: aaa4d02789e0ca49d066fb89a4f5ad56f94c33938cd222f42e0039dfcc1eeb34 all runs: crashed: WARNING in ar5523_cmd/usb_submit_urb revisions tested: 2, total time: 25m22.607240862s (build: 17m42.994345249s, test: 6m40.462660425s) the crash still happens on HEAD commit msg: vc_screen: don't clobber return value in vcs_read crash: WARNING in ar5523_cmd/usb_submit_urb usb 1-1: SerialNumber: syz usb 1-1: config 0 descriptor?? ------------[ cut here ]------------ usb 1-1: BOGUS urb xfer, pipe 3 != type 1 WARNING: CPU: 0 PID: 6 at drivers/usb/core/urb.c:504 usb_submit_urb+0xb0b/0x1690 drivers/usb/core/urb.c:504 Modules linked in: CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 6.2.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0xb0b/0x1690 drivers/usb/core/urb.c:504 Code: 4c 24 18 89 4c 24 08 44 89 04 24 e8 5f 6b 08 ff 44 8b 04 24 4c 89 e2 48 c7 c7 60 b6 13 8a 8b 4c 24 08 48 89 c6 e8 75 89 99 fb <0f> 0b 4c 8b 4c 24 18 e9 c0 fa ff ff 48 8d 7b 1c 48 ba 00 00 00 00 RSP: 0018:ffffc900002cefa0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88802a283000 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffff888025e58d00 R08: 0000000000000001 R09: ffff8880b9a2898b R10: ffffed1017345131 R11: 0000000000000000 R12: ffff88801cefb8c0 R13: 000000000000003f R14: 0000000000000003 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc2315d8028 CR3: 000000001fe24000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ar5523_cmd+0x3cb/0x7d0 drivers/net/wireless/ath/ar5523/ar5523.c:280 ar5523_cmd_read drivers/net/wireless/ath/ar5523/ar5523.c:308 [inline] ar5523_host_available drivers/net/wireless/ath/ar5523/ar5523.c:1383 [inline] ar5523_probe+0x149e/0x3370 drivers/net/wireless/ath/ar5523/ar5523.c:1662 usb_probe_interface+0x26c/0x820 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:552 [inline] really_probe+0x1c7/0xb20 drivers/base/dd.c:631 __driver_probe_device+0x186/0x460 drivers/base/dd.c:768 driver_probe_device+0x44/0x110 drivers/base/dd.c:798 __device_attach_driver+0x14e/0x270 drivers/base/dd.c:926 bus_for_each_drv+0x102/0x190 drivers/base/bus.c:457 __device_attach+0x19e/0x3d0 drivers/base/dd.c:998 bus_probe_device+0x12b/0x170 drivers/base/bus.c:532 device_add+0xee4/0x1930 drivers/base/core.c:3589 usb_set_configuration+0xabc/0x1a20 drivers/usb/core/message.c:2171 usb_generic_driver_probe+0x88/0xd0 drivers/usb/core/generic.c:238 usb_probe_device+0x98/0x240 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:552 [inline] really_probe+0x1c7/0xb20 drivers/base/dd.c:631 __driver_probe_device+0x186/0x460 drivers/base/dd.c:768 driver_probe_device+0x44/0x110 drivers/base/dd.c:798 __device_attach_driver+0x14e/0x270 drivers/base/dd.c:926 bus_for_each_drv+0x102/0x190 drivers/base/bus.c:457 __device_attach+0x19e/0x3d0 drivers/base/dd.c:998 bus_probe_device+0x12b/0x170 drivers/base/bus.c:532 device_add+0xee4/0x1930 drivers/base/core.c:3589 usb_new_device+0xc6e/0x1930 drivers/usb/core/hub.c:2575 hub_port_connect drivers/usb/core/hub.c:5407 [inline] hub_port_connect_change drivers/usb/core/hub.c:5551 [inline] port_event drivers/usb/core/hub.c:5711 [inline] hub_event+0x24cc/0x4240 drivers/usb/core/hub.c:5793 process_one_work+0x8ba/0x15a0 kernel/workqueue.c:2390 worker_thread+0x59c/0xec0 kernel/workqueue.c:2537 kthread+0x298/0x340 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308