syzbot has found a reproducer for the following issue on: HEAD commit: a160e1202ca3 usb: dwc3: qcom: Add multiport suspend/resume.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=12b37a9b180000 kernel config: https://syzkaller.appspot.com/x/.config?x=6fe204286ac73e15 dashboard link: https://syzkaller.appspot.com/bug?extid=c6a1953c27ace6cc34e5 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=1492bcef180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=166f3d27180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/17ff4370c4e0/disk-a160e120.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/7ef5dd31b4c4/vmlinux-a160e120.xz kernel image: https://storage.googleapis.com/syzbot-assets/f0fdddbf376c/bzImage-a160e120.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c6a1953c27ace6cc34e5@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ URB ffff8881022a5e00 submitted while active WARNING: CPU: 1 PID: 35 at drivers/usb/core/urb.c:379 usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 PID: 35 Comm: kworker/1:1 Not tainted 6.9.0-rc5-syzkaller-00104-ga160e1202ca3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events wdm_rxwork RIP: 0010:usb_submit_urb+0x14da/0x1730 drivers/usb/core/urb.c:379 Code: fe eb cb bb fe ff ff ff e9 c1 f3 ff ff e8 1e ea 2c fd c6 05 81 4e 68 05 01 90 48 c7 c7 60 a3 30 87 48 89 de e8 a7 1a f3 fc 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:ffffc90000257c20 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8881022a5e00 RCX: ffffffff811902c9 RDX: ffff888102efba00 RSI: ffffffff811902d6 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000293 R13: ffff88810abe8090 R14: ffff88810abe8050 R15: ffffffff899ade98 FS: 0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564d6da62000 CR3: 0000000115de4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> wdm_rxwork+0xf3/0x200 drivers/usb/class/cdc-wdm.c:989 process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 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.
