general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 1 PID: 4967 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:software_node_register+0x2c/0x1e0 drivers/base/swnode.c:957 Code: 57 41 56 41 55 41 54 53 50 48 89 fb 49 be 00 00 00 00 00 fc ff df e8 03 d0 9c fc 4c 8d 63 08 4c 89 e0 48 c1 e8 03 48 89 04 24 <42> 80 3c 30 00 74 08 4c 89 e7 e8 05 f8 e1 fc 49 8b 2c 24 48 85 ed RSP: 0018:ffffc9000313f820 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88807ddf0000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000313f9f0 R08: ffff888072d96d7f R09: 1ffff1100e5b2daf R10: dffffc0000000000 R11: ffffed100e5b2db0 R12: 0000000000000008 R13: ffff88807827f010 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007ffb5aff26c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe24220 CR3: 000000001ffec000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_add_software_node+0x19c/0x2f0 drivers/base/swnode.c:1045 dwc3_pci_quirks drivers/usb/dwc3/dwc3-pci.c:263 [inline] dwc3_pci_probe+0x52a/0x970 drivers/usb/dwc3/dwc3-pci.c:328 local_pci_probe drivers/pci/pci-driver.c:323 [inline] pci_call_probe drivers/pci/pci-driver.c:380 [inline] __pci_device_probe drivers/pci/pci-driver.c:405 [inline] pci_device_probe+0x4d7/0x850 drivers/pci/pci-driver.c:448 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x276/0xc70 drivers/base/dd.c:595 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:775 device_driver_attach+0xdc/0x1d0 drivers/base/dd.c:1096 KASAN: null-[ 109.702592][ T4967] bind_store+0x33b/0x380 drivers/base/bus.c:216 kernfs_fop_write_iter+0x3a8/0x500 fs/kernfs/file.c:296 call_write_iter include/linux/fs.h:2179 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0x748/0xd70 fs/read_write.c:594 ksys_write+0x153/0x260 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7ffb5b9b30d9 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:00007ffb5aff2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ffb5bc3b090 RCX: 00007ffb5b9b30d9 RDX: 000000000000000d RSI: 0000200000000240 RDI: 0000000000000005 RBP: 00007ffb5ba4a024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffb5bc3b128 R14: 00007ffb5bc3b090 R15: 00007ffebe31adf8 Modules linked in: ---[ end trace 57441ac52a561cfb ]--- RIP: 0010:software_node_register+0x2c/0x1e0 drivers/base/swnode.c:957 Code: 57 41 56 41 55 41 54 53 50 48 89 fb 49 be 00 00 00 00 00 fc ff df e8 03 d0 9c fc 4c 8d 63 08 4c 89 e0 48 c1 e8 03 48 89 04 24 <42> 80 3c 30 00 74 08 4c 89 e7 e8 05 f8 e1 fc 49 8b 2c 24 48 85 ed RSP: 0018:ffffc9000313f820 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88807ddf0000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000313f9f0 R08: ffff888072d96d7f R09: 1ffff1100e5b2daf R10: dffffc0000000000 R11: ffffed100e5b2db0 R12: 0000000000000008 R13: ffff88807827f010 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007ffb5aff26c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe24220 CR3: 000000001ffec000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 57 push %rdi 1: 41 56 push %r14 3: 41 55 push %r13 5: 41 54 push %r12 7: 53 push %rbx 8: 50 push %rax 9: 48 89 fb mov %rdi,%rbx c: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14 13: fc ff df 16: e8 03 d0 9c fc call 0xfc9cd01e 1b: 4c 8d 63 08 lea 0x8(%rbx),%r12 1f: 4c 89 e0 mov %r12,%rax 22: 48 c1 e8 03 shr $0x3,%rax 26: 48 89 04 24 mov %rax,(%rsp) * 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 e7 mov %r12,%rdi 34: e8 05 f8 e1 fc call 0xfce1f83e 39: 49 8b 2c 24 mov (%r12),%rbp 3d: 48 85 ed test %rbp,%rbp