Oops: general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] CPU: 0 UID: 0 PID: 13777 Comm: syz.1.2557 Tainted: G S L syzkaller #0 PREEMPT(full) Tainted: [S]=CPU_OUT_OF_SPEC, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:nfcmrvl_bulk_complete+0x33f/0x630 drivers/nfc/nfcmrvl/usb.c:71 Code: c1 e9 03 80 3c 01 00 0f 85 f8 02 00 00 49 8b ac 24 b8 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 20 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 9e 02 00 00 4c 8b 7d 20 49 8d 47 18 48 89 c1 48 RSP: 0018:ffffc90000007b88 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: ffff8880736f5200 RCX: 0000000000000004 RDX: 0000000000000009 RSI: ffffffff86771a93 RDI: 0000000000000020 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888035cba838 R13: ffff888035cba848 R14: ffff8880736f528c R15: ffff8880736f5240 FS: 00007f783b1d56c0(0000) GS:ffff888123bde000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff9447eb7c0 CR3: 00000000480be000 CR4: 00000000003526f0 Call Trace: __usb_hcd_giveback_urb+0x38d/0x610 drivers/usb/core/hcd.c:1657 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741 dummy_timer+0xdb2/0x36f0 drivers/usb/gadget/udc/dummy_hcd.c:2019 __run_hrtimer kernel/time/hrtimer.c:2032 [inline] __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2096 hrtimer_run_softirq+0x17d/0x2c0 kernel/time/hrtimer.c:2113 handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:198 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 96 a0 26 f6 48 89 df e8 1e f0 26 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 c5 fd 15 f6 65 8b 05 ee b6 c4 08 85 c0 74 16 5b RSP: 0018:ffffc90004cc7440 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffff888034eaf210 RCX: 0000000000000040 RDX: 0000000000000000 RSI: ffffffff8e3acef2 RDI: ffffffff8c600380 RBP: 0000000000000283 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000283 R13: ffff888034eaf210 R14: ffff88807d4122e8 R15: ffff88807d412008 spin_unlock_irqrestore include/linux/spinlock.h:408 [inline] __pm_runtime_idle+0xc7/0x1a0 drivers/base/power/runtime.c:1130 nfcmrvl_usb_nci_open+0x133/0x1b0 drivers/nfc/nfcmrvl/usb.c:184 nfcmrvl_nci_open+0xcf/0x120 drivers/nfc/nfcmrvl/main.c:28 nci_open_device net/nfc/nci/core.c:490 [inline] nci_dev_up+0x17b/0x680 net/nfc/nci/core.c:643 nfc_dev_up+0x1b6/0x3a0 net/nfc/core.c:118 nfc_genl_dev_up+0xa5/0xf0 net/nfc/netlink.c:775 genl_family_rcv_msg_doit+0x214/0x300 net/netlink/genetlink.c:1114 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline] genl_rcv_msg+0x560/0x800 net/netlink/genetlink.c:1209 netlink_rcv_skb+0x159/0x420 net/netlink/af_netlink.c:2556 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:775 [inline] __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2684 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2738 __sys_sendmsg+0x160/0x210 net/socket.c:2770 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f783cf9e0d9 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:00007f783b1d5028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f783d226090 RCX: 00007f783cf9e0d9 RDX: 0000000000000000 RSI: 0000200000001000 RDI: 0000000000000005 RBP: 00007f783d035024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f783d226128 R14: 00007f783d226090 R15: 00007ffc632527a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:nfcmrvl_bulk_complete+0x33f/0x630 drivers/nfc/nfcmrvl/usb.c:71 Code: c1 e9 03 80 3c 01 00 0f 85 f8 02 00 00 49 8b ac 24 b8 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 20 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 9e 02 00 00 4c 8b 7d 20 49 8d 47 18 48 89 c1 48 RSP: 0018:ffffc90000007b88 EFLAGS: 00010002 RAX: dffffc0000000000 RBX: ffff8880736f5200 RCX: 0000000000000004 RDX: 0000000000000009 RSI: ffffffff86771a93 RDI: 0000000000000020 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888035cba838 R13: ffff888035cba848 R14: ffff8880736f528c R15: ffff8880736f5240 FS: 00007f783b1d56c0(0000) GS:ffff888123bde000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff9447eb7c0 CR3: 00000000480be000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: c1 e9 03 shr $0x3,%ecx 3: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 7: 0f 85 f8 02 00 00 jne 0x305 d: 49 8b ac 24 b8 02 00 mov 0x2b8(%r12),%rbp 14: 00 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 48 8d 7d 20 lea 0x20(%rbp),%rdi 23: 48 89 f9 mov %rdi,%rcx 26: 48 c1 e9 03 shr $0x3,%rcx * 2a: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) <-- trapping instruction 2e: 0f 85 9e 02 00 00 jne 0x2d2 34: 4c 8b 7d 20 mov 0x20(%rbp),%r15 38: 49 8d 47 18 lea 0x18(%r15),%rax 3c: 48 89 c1 mov %rax,%rcx 3f: 48 rex.W