On Mon, Oct 05, 2020 at 03:59:22AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 168ae5a7 Merge 5.9-rc8 into usb-next > git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing > console output: https://syzkaller.appspot.com/x/log.txt?x=12bec877900000 > kernel config: https://syzkaller.appspot.com/x/.config?x=5429f3643ebc37a > dashboard link: https://syzkaller.appspot.com/bug?extid=9b802f11efb574105ec5 > compiler: gcc (GCC) 10.1.0-syz 20200507 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=120aa50b900000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=134fa5c0500000 > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+9b802f11efb574105ec5@xxxxxxxxxxxxxxxxxxxxxxxxx > > usb 1-1: Manufacturer: syz > usb 1-1: SerialNumber: syz > usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested > usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 > ------------[ cut here ]------------ > usb 1-1: BOGUS urb xfer, pipe 1 != type 3 > WARNING: CPU: 1 PID: 21 at drivers/usb/core/urb.c:493 usb_submit_urb+0xce2/0x14e0 drivers/usb/core/urb.c:493 > Kernel panic - not syncing: panic_on_warn set ... > CPU: 1 PID: 21 Comm: kworker/1:1 Not tainted 5.9.0-rc8-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 > Workqueue: events request_firmware_work_func > Call Trace: > __dump_stack lib/dump_stack.c:77 [inline] > dump_stack+0x107/0x16e lib/dump_stack.c:118 > panic+0x2cb/0x702 kernel/panic.c:231 > __warn.cold+0x20/0x44 kernel/panic.c:600 > report_bug+0x1bd/0x210 lib/bug.c:198 > handle_bug+0x41/0x80 arch/x86/kernel/traps.c:234 > exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 > asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 > RIP: 0010:usb_submit_urb+0xce2/0x14e0 drivers/usb/core/urb.c:493 > Code: 84 04 03 00 00 e8 3e 98 c6 fd 4c 89 ef e8 66 b6 12 ff 41 89 d8 44 89 e1 4c 89 f2 48 89 c6 48 c7 c7 20 b3 5d 86 e8 d0 ba 9a fd <0f> 0b e9 c6 f8 ff ff e8 12 98 c6 fd 48 81 c5 40 06 00 00 e9 f2 f7 > RSP: 0018:ffff8881da33f808 EFLAGS: 00010286 Andrey, what happened here? Where's the rest of the stack trace? Alan Stern
