syzbot has found a reproducer for the following issue on: HEAD commit: 43fb83c17ba2 Merge tag 'soc-arm-6.13' of git://git.kernel... git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=14515930580000 kernel config: https://syzkaller.appspot.com/x/.config?x=58b000b917043826 dashboard link: https://syzkaller.appspot.com/bug?extid=ffba8e636870dac0e0c0 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12515930580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11ca8ec0580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/de84c4bb2d99/disk-43fb83c1.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/5ef479f28791/vmlinux-43fb83c1.xz kernel image: https://storage.googleapis.com/syzbot-assets/896a530ab113/bzImage-43fb83c1.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ffba8e636870dac0e0c0@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ URB ffff88801dace300 submitted while active WARNING: CPU: 0 PID: 3069 at drivers/usb/core/urb.c:379 usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 UID: 0 PID: 3069 Comm: kworker/0:2 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379 Code: fd eb cb bb fe ff ff ff e9 c1 f3 ff ff e8 be bc b2 fa c6 05 50 c9 6d 09 01 90 48 c7 c7 c0 c9 2d 8c 48 89 de e8 77 64 73 fa 90 <0f> 0b 90 90 e9 b6 fe ff ff bb f8 ff ff ff e9 91 f3 ff ff 48 89 ef RSP: 0018:ffffc9000bc1f038 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88801dace300 RCX: ffffffff814e8a49 RDX: ffff8880311a0000 RSI: ffffffff814e8a56 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801dace300 R13: ffff888028821030 R14: ffff8880288210a8 R15: ffff888022378000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005fdeb8 CR3: 000000000df7e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> iguanair_send drivers/media/rc/iguanair.c:193 [inline] iguanair_get_features drivers/media/rc/iguanair.c:218 [inline] iguanair_probe+0xe78/0x22a0 drivers/media/rc/iguanair.c:438 usb_probe_interface+0x309/0x9d0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_set_configuration+0x10cb/0x1c50 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:254 usb_probe_device+0xec/0x3e0 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:658 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:800 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:830 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:958 bus_for_each_drv+0x157/0x1e0 drivers/base/bus.c:459 __device_attach+0x1e8/0x4b0 drivers/base/dd.c:1030 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:534 device_add+0x114b/0x1a70 drivers/base/core.c:3672 usb_new_device+0xd90/0x1a10 drivers/usb/core/hub.c:2651 hub_port_connect drivers/usb/core/hub.c:5521 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0x2d9a/0x4e10 drivers/usb/core/hub.c:5903 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> --- 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.
