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:533 at usb_submit_urb+0xc9d/0x18b0 drivers/usb/core/urb.c:532, CPU#0: syz.4.274/6673 Modules linked in: CPU: 0 UID: 0 PID: 6673 Comm: syz.4.274 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:usb_submit_urb+0xd28/0x18b0 drivers/usb/core/urb.c:532 Code: e8 3d 5d c8 fa 4c 89 f7 4d 8b 6d 00 41 0f b6 04 2c 84 c0 48 8b 54 24 18 0f 85 97 07 00 00 8b 0a 48 8b 34 24 4c 89 ea 45 89 f8 <67> 48 0f b9 3a 4c 8b 6c 24 08 4c 89 ef 48 c7 c6 c0 60 b0 90 e8 5f RSP: 0018:ffffc90005f0fab8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807705d000 RCX: 0000000000000202 RDX: ffff88803538aba0 RSI: ffffffff8cc56dc0 RDI: ffffffff91882cf0 RBP: dffffc0000000000 R08: 0000000000000200 R09: 0000000000000004 R10: 0000000000000003 R11: 0000000000000002 R12: 1ffff1100ee0ba0b R13: ffff88803538aba0 R14: ffff888023f7f100 R15: 0000000000000200 FS: 00007ff1cec276c0(0000) GS:ffff888123abf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c32313c CR3: 0000000034ce0000 CR4: 00000000003526f0 Call Trace: ttusb_start_iso_xfer drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c:829 [inline] ttusb_start_feed+0xe19/0x1770 drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c:899 dmx_ts_feed_start_filtering+0x129/0x220 drivers/media/dvb-core/dvb_demux.c:747 dvb_dmxdev_start_feed drivers/media/dvb-core/dmxdev.c:658 [inline] dvb_dmxdev_filter_start+0x434/0x10d0 drivers/media/dvb-core/dmxdev.c:769 dvb_demux_do_ioctl+0x48b/0x540 drivers/media/dvb-core/dmxdev.c:1099 dvb_usercopy+0x199/0x2e0 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+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff1cdd9e559 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:00007ff1cec27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff1ce025fa0 RCX: 00007ff1cdd9e559 RDX: 0000200000000740 RSI: 0000000040146f2c RDI: 0000000000000004 RBP: 00007ff1cde35ab8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff1ce026038 R14: 00007ff1ce025fa0 R15: 00007ff1ce14fa48 ---------------- Code disassembly (best guess): 0: e8 3d 5d c8 fa call 0xfac85d42 5: 4c 89 f7 mov %r14,%rdi 8: 4d 8b 6d 00 mov 0x0(%r13),%r13 c: 41 0f b6 04 2c movzbl (%r12,%rbp,1),%eax 11: 84 c0 test %al,%al 13: 48 8b 54 24 18 mov 0x18(%rsp),%rdx 18: 0f 85 97 07 00 00 jne 0x7b5 1e: 8b 0a mov (%rdx),%ecx 20: 48 8b 34 24 mov (%rsp),%rsi 24: 4c 89 ea mov %r13,%rdx 27: 45 89 f8 mov %r15d,%r8d * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 4c 8b 6c 24 08 mov 0x8(%rsp),%r13 34: 4c 89 ef mov %r13,%rdi 37: 48 c7 c6 c0 60 b0 90 mov $0xffffffff90b060c0,%rsi 3e: e8 .byte 0xe8 3f: 5f pop %rdi