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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 4f79eaa2ceac kbuild: Properly disable -Wunterminated-strin.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=11436f74580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a9a25b7a36123454 dashboard link: https://syzkaller.appspot.com/bug?extid=4687ab80180e5d724f51 compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=103081cc580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ba139b980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/12c9f96176cf/disk-4f79eaa2.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/c24afd828d55/vmlinux-4f79eaa2.xz kernel image: https://storage.googleapis.com/syzbot-assets/b2d77950e184/bzImage-4f79eaa2.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4687ab80180e5d724f51@syzkaller.appspotmail.com ------------[ cut here ]------------ usb 1-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c1 WARNING: CPU: 1 PID: 5832 at drivers/usb/core/urb.c:413 usb_submit_urb+0x1112/0x1870 drivers/usb/core/urb.c:411 Modules linked in: CPU: 1 UID: 0 PID: 5832 Comm: syz-executor397 Not tainted 6.15.0-rc4-syzkaller-00052-g4f79eaa2ceac #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:usb_submit_urb+0x1112/0x1870 drivers/usb/core/urb.c:411 Code: 0f b6 44 05 00 84 c0 0f 85 38 06 00 00 45 0f b6 04 24 48 c7 c7 20 5f 12 8c 48 8b 74 24 18 4c 89 fa 44 89 f1 e8 7f 6a 6f fa 90 <0f> 0b 90 90 49 bd 00 00 00 00 00 fc ff df e9 2b f4 ff ff 89 e9 80 RSP: 0018:ffffc9000401f6d0 EFLAGS: 00010246 RAX: 76fdec7c67ae9b00 RBX: ffff8880216ebd00 RCX: ffff888023fc9e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 1ffff110034f4a08 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba4b4 R12: ffff88801a7a5040 R13: dffffc0000000000 R14: 0000000080000280 R15: ffff88801a7a5700 FS: 0000555562d49380(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb480077df0 CR3: 000000007c70a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: usb_start_wait_urb+0x114/0x4c0 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x232/0x3e0 drivers/usb/core/message.c:154 osif_usb_read drivers/i2c/busses/i2c-robotfuzz-osif.c:41 [inline] osif_xfer+0x21a/0x5e0 drivers/i2c/busses/i2c-robotfuzz-osif.c:69 __i2c_transfer+0x871/0x2170 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x25b/0x3a0 drivers/i2c/i2c-core-base.c:2315 i2c_transfer_buffer_flags+0x105/0x190 drivers/i2c/i2c-core-base.c:2343 i2c_master_recv include/linux/i2c.h:79 [inline] i2cdev_read+0x10d/0x220 drivers/i2c/i2c-dev.c:155 vfs_read+0x1fd/0x980 fs/read_write.c:568 ksys_read+0x145/0x250 fs/read_write.c:713 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f62e575f119 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 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:00007ffd8ac089d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f62e575f119 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f62e57d2610 R08: 00232d6332692f76 R09: 00007ffd8ac08ba8 R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd8ac08b98 R14: 0000000000000001 R15: 0000000000000001 --- 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