usb 5-1: BOGUS urb xfer, pipe 0 != type 1 ------------[ cut here ]------------ usb 5-1: BOGUS urb flags, 202 --> 200 WARNING: drivers/usb/core/urb.c:532 at usb_submit_urb+0x921/0x19b0 drivers/usb/core/urb.c:532, CPU#3: syz.0.17/5915 Modules linked in: CPU: 3 UID: 0 PID: 5915 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:usb_submit_urb+0x92a/0x19b0 drivers/usb/core/urb.c:532 Code: 00 4d 85 ff 0f 84 7e 09 00 00 e8 51 e3 7a fa 4c 89 e7 e8 b9 ce da fe 48 89 c6 48 8d 3d bf 31 c1 0a 41 89 e8 44 89 f1 4c 89 fa <67> 48 0f b9 3a e9 c3 fe ff ff e8 27 e3 7a fa 48 8d 7d 02 48 b8 00 RSP: 0018:ffffc90004897a98 EFLAGS: 00010293 RAX: ffffffff8cc88c80 RBX: ffff88802201dc00 RCX: 0000000000000202 RDX: ffff88802b3cc5c0 RSI: ffffffff8cc88c80 RDI: ffffffff925294d0 RBP: 0000000000000200 R08: 0000000000000200 R09: 0000000000000200 R10: 0000000000000202 R11: 0000000000000001 R12: ffff88802f6520b0 R13: 0000000000000003 R14: 0000000000000202 R15: ffff88802b3cc5c0 FS: 0000555564587500(0000) GS:ffff8880d4c46000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b7d704ec30 CR3: 0000000036745000 CR4: 0000000000352ef0 Call Trace: ttusb_start_iso_xfer drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c:829 [inline] ttusb_start_feed+0x7ea/0xbc0 drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c:899 dmx_ts_feed_start_filtering+0xf6/0x220 drivers/media/dvb-core/dvb_demux.c:747 dvb_dmxdev_start_feed+0x273/0x3f0 drivers/media/dvb-core/dmxdev.c:658 dvb_dmxdev_filter_start+0x1b6/0xdd0 drivers/media/dvb-core/dmxdev.c:769 dvb_dmxdev_pes_filter_set drivers/media/dvb-core/dmxdev.c:985 [inline] dvb_demux_do_ioctl+0xe64/0x1200 drivers/media/dvb-core/dmxdev.c:1099 dvb_usercopy+0x167/0x340 drivers/media/dvb-core/dvbdev.c:996 dvb_demux_ioctl+0x29/0x40 drivers/media/dvb-core/dmxdev.c:1208 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f939199e1d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd038d4c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9391c25fa0 RCX: 00007f939199e1d9 RDX: 0000200000000300 RSI: 0000000040146f2c RDI: 0000000000000004 RBP: 00007f9391a35888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9391c25fac R14: 00007f9391c25fa0 R15: 00007f9391c25fa0 ---------------- Code disassembly (best guess): 0: 00 4d 85 add %cl,-0x7b(%rbp) 3: ff 0f decl (%rdi) 5: 84 7e 09 test %bh,0x9(%rsi) 8: 00 00 add %al,(%rax) a: e8 51 e3 7a fa call 0xfa7ae360 f: 4c 89 e7 mov %r12,%rdi 12: e8 b9 ce da fe call 0xfedaced0 17: 48 89 c6 mov %rax,%rsi 1a: 48 8d 3d bf 31 c1 0a lea 0xac131bf(%rip),%rdi # 0xac131e0 21: 41 89 e8 mov %ebp,%r8d 24: 44 89 f1 mov %r14d,%ecx 27: 4c 89 fa mov %r15,%rdx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 c3 fe ff ff jmp 0xfffffef7 34: e8 27 e3 7a fa call 0xfa7ae360 39: 48 8d 7d 02 lea 0x2(%rbp),%rdi 3d: 48 rex.W 3e: b8 .byte 0xb8