UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.0:9482] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [<ffffffff8115008a>] copy_process+0x1dba/0x6df0 softirqs last enabled at (0): [<ffffffff811500ce>] copy_process+0x1dfe/0x6df0 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 1 PID: 9482 Comm: syz-executor.0 Tainted: G B 6.0.0-rc4-next-20220908 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:__kasan_check_read+0x4/0x10 Code: 0f 0b 48 83 c4 60 5b 5d 41 5c e9 b7 b3 e7 02 48 05 00 80 00 00 48 89 fb 48 39 c7 0f 82 78 50 9d 02 eb dd cc cc cc 48 8b 0c 24 <89> f6 31 d2 e9 53 f7 ff ff 0f 1f 00 48 8b 0c 24 89 f6 ba 01 00 00 RSP: 0018:ffff8880445273c8 EFLAGS: 00000246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffffff8217c244 RDX: 0000000000040000 RSI: 0000000000000004 RDI: ffff88800c65ac34 RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88800c65ac37 R10: ffffed10018cb586 R11: 0000000000000001 R12: ffff88800c65ac10 R13: ffff8880087a5048 R14: ffff8880087a5000 R15: ffff88800c65ac34 FS: 00007fdac322e700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdac5dc8000 CR3: 000000000c6bc000 CR4: 0000000000350ee0 Call Trace: <TASK> __sbq_wake_up+0x164/0x3d0 sbitmap_queue_clear+0xad/0x210 blk_mq_put_tag+0xd8/0x160 __blk_mq_free_request+0x2e0/0x380 blk_mq_free_request+0x35d/0x500 __scsi_execute+0x474/0x640 scsi_test_unit_ready+0xd3/0x350 sr_drive_status+0xe1/0x370 cdrom_open+0x27c/0x1b70 sr_block_open+0x14e/0x2b0 blkdev_get_whole+0x9b/0x2d0 blkdev_get_by_dev.part.0+0x5f0/0xb90 blkdev_get_by_dev+0x6f/0x90 blkdev_open+0x13c/0x2c0 do_dentry_open+0x6ca/0x12b0 path_openat+0x19e1/0x2800 do_filp_open+0x1b6/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdac5cb8b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdac322e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fdac5dcbf60 RCX: 00007fdac5cb8b19 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007fdac5d12f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd1511984f R14: 00007fdac322e300 R15: 0000000000022000 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10 ---------------- Code disassembly (best guess): 0: 0f 0b ud2 2: 48 83 c4 60 add $0x60,%rsp 6: 5b pop %rbx 7: 5d pop %rbp 8: 41 5c pop %r12 a: e9 b7 b3 e7 02 jmpq 0x2e7b3c6 f: 48 05 00 80 00 00 add $0x8000,%rax 15: 48 89 fb mov %rdi,%rbx 18: 48 39 c7 cmp %rax,%rdi 1b: 0f 82 78 50 9d 02 jb 0x29d5099 21: eb dd jmp 0x0 23: cc int3 24: cc int3 25: cc int3 26: 48 8b 0c 24 mov (%rsp),%rcx * 2a: 89 f6 mov %esi,%esi <-- trapping instruction 2c: 31 d2 xor %edx,%edx 2e: e9 53 f7 ff ff jmpq 0xfffff786 33: 0f 1f 00 nopl (%rax) 36: 48 8b 0c 24 mov (%rsp),%rcx 3a: 89 f6 mov %esi,%esi 3c: ba .byte 0xba 3d: 01 00 add %eax,(%rax)