general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 317 Comm: syz.4.5 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:software_node_register+0x36/0x1f0 drivers/base/swnode.c:951 Code: 53 48 83 ec 18 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 cd 95 8a fe 4c 89 75 c8 4d 8d 66 08 4c 89 e0 48 c1 e8 03 48 89 45 c0 <80> 3c 18 00 74 08 4c 89 e7 e8 5c 20 d0 fe 4d 8b 34 24 4d 85 f6 4c RSP: 0018:ffffc9000dcbf790 EFLAGS: 00010202 RAX: 0000000000000001 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc900042b5000 RSI: 00000000000089e5 RDI: 00000000000089e6 RBP: ffffc9000dcbf7d0 R08: ffff88811229cdbf R09: 1ffff110224539b7 R10: dffffc0000000000 R11: ffffed10224539b8 R12: 0000000000000008 R13: ffff8881137f5010 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f65c786b6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f578ae69e10 CR3: 0000000132dfd000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_add_software_node+0x1a3/0x300 drivers/base/swnode.c:1039 dwc3_pci_quirks drivers/usb/dwc3/dwc3-pci.c:303 [inline] dwc3_pci_probe+0x55d/0xa80 drivers/usb/dwc3/dwc3-pci.c:368 local_pci_probe drivers/pci/pci-driver.c:324 [inline] pci_call_probe drivers/pci/pci-driver.c:392 [inline] __pci_device_probe drivers/pci/pci-driver.c:417 [inline] pci_device_probe+0x278/0x440 drivers/pci/pci-driver.c:460 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d7/0x9a0 drivers/base/dd.c:639 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808 device_driver_attach+0xd7/0x1d0 drivers/base/dd.c:1135 bind_store+0x349/0x380 drivers/base/bus.c:216 drv_attr_store+0x88/0xb0 drivers/base/bus.c:77 sysfs_kf_write+0x137/0x150 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x307/0x470 fs/kernfs/file.c:352 call_write_iter include/linux/fs.h:2282 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ef/0xd00 fs/read_write.c:584 ksys_write+0x14a/0x260 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f65c699e019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f65c786b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f65c6c26090 RCX: 00007f65c699e019 RDX: 000000000000000d RSI: 0000200000000240 RDI: 0000000000000005 RBP: 00007f65c6a3500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f65c6c26128 R14: 00007f65c6c26090 R15: 00007ffcc9244928 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:software_node_register+0x36/0x1f0 drivers/base/swnode.c:951 Code: 53 48 83 ec 18 49 89 fe 48 bb 00 00 00 00 00 fc ff df e8 cd 95 8a fe 4c 89 75 c8 4d 8d 66 08 4c 89 e0 48 c1 e8 03 48 89 45 c0 <80> 3c 18 00 74 08 4c 89 e7 e8 5c 20 d0 fe 4d 8b 34 24 4d 85 f6 4c RSP: 0018:ffffc9000dcbf790 EFLAGS: 00010202 RAX: 0000000000000001 RBX: dffffc0000000000 RCX: 0000000000080000 RDX: ffffc900042b5000 RSI: 00000000000089e5 RDI: 00000000000089e6 RBP: ffffc9000dcbf7d0 R08: ffff88811229cdbf R09: 1ffff110224539b7 R10: dffffc0000000000 R11: ffffed10224539b8 R12: 0000000000000008 R13: ffff8881137f5010 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f65c786b6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f578ae69e10 CR3: 0000000132dfd000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 53 push %rbx 1: 48 83 ec 18 sub $0x18,%rsp 5: 49 89 fe mov %rdi,%r14 8: 48 bb 00 00 00 00 00 movabs $0xdffffc0000000000,%rbx f: fc ff df 12: e8 cd 95 8a fe call 0xfe8a95e4 17: 4c 89 75 c8 mov %r14,-0x38(%rbp) 1b: 4d 8d 66 08 lea 0x8(%r14),%r12 1f: 4c 89 e0 mov %r12,%rax 22: 48 c1 e8 03 shr $0x3,%rax 26: 48 89 45 c0 mov %rax,-0x40(%rbp) * 2a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 4c 89 e7 mov %r12,%rdi 33: e8 5c 20 d0 fe call 0xfed02094 38: 4d 8b 34 24 mov (%r12),%r14 3c: 4d 85 f6 test %r14,%r14 3f: 4c rex.WR