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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 6fea5fabd332 Merge tag 'mm-hotfixes-stable-2025-04-19-21-2.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=15240ccc580000 kernel config: https://syzkaller.appspot.com/x/.config?x=68d9f79fc685cd4 dashboard link: https://syzkaller.appspot.com/bug?extid=721071c10f3c7e4e5dcb compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1669cc70580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10489ccc580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/796861732b0e/disk-6fea5fab.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/00255924cbaa/vmlinux-6fea5fab.xz kernel image: https://storage.googleapis.com/syzbot-assets/9a955adbead1/bzImage-6fea5fab.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+721071c10f3c7e4e5dcb@syzkaller.appspotmail.com ------------[ cut here ]------------ usb 2-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0 WARNING: CPU: 0 PID: 5845 at drivers/usb/core/urb.c:413 usb_submit_urb+0x11dd/0x18c0 drivers/usb/core/urb.c:411 Modules linked in: CPU: 0 UID: 0 PID: 5845 Comm: syz-executor566 Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:usb_submit_urb+0x11dd/0x18c0 drivers/usb/core/urb.c:411 Code: 48 8b 4c 24 08 0f b6 04 01 84 c0 0f 85 52 05 00 00 45 0f b6 07 48 c7 c7 a0 59 f2 8c 4c 89 f6 48 89 da 89 e9 e8 64 c2 f1 f9 90 <0f> 0b 90 90 e9 c7 f3 ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 53 RSP: 0018:ffffc900040df748 EFLAGS: 00010246 RAX: a1ba001046e4b900 RBX: ffff88801e2f6cc0 RCX: ffff888027a31e00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000080000280 R08: ffffffff818218d2 R09: 1ffff9200081be84 R10: dffffc0000000000 R11: fffff5200081be85 R12: ffff8881453e30b0 R13: ffff88801e6c1b00 R14: ffffffff8cf2c440 R15: ffff8880206cf7c0 FS: 000055558e0e4380(0000) GS:ffff888124f9a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558df9b18050 CR3: 00000000326be000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: usb_start_wait_urb+0x11a/0x530 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x2b3/0x4c0 drivers/usb/core/message.c:154 gl861_ctrl_msg+0x332/0x6f0 drivers/media/usb/dvb-usb-v2/gl861.c:58 gl861_i2c_master_xfer+0x3b4/0x650 drivers/media/usb/dvb-usb-v2/gl861.c:144 __i2c_transfer+0x859/0x2250 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x2c2/0x430 drivers/i2c/i2c-core-base.c:2315 i2cdev_ioctl_rdwr+0x488/0x780 drivers/i2c/i2c-dev.c:306 i2cdev_ioctl+0x78a/0xa20 drivers/i2c/i2c-dev.c:467 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f83d3039529 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffa9feff58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f83d3039529 RDX: 0000200000002580 RSI: 0000000000000707 RDI: 0000000000000004 RBP: 00000000000f4240 R08: 00232d6332692f76 R09: 00000000000000a0 R10: 000000000000000f R11: 0000000000000246 R12: 0000000000000001 R13: 00007fffa9ff0178 R14: 00007fffa9feff80 R15: 00007fffa9feff70 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup