general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 6630 Comm: syz-executor.0 Not tainted 5.11.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__queue_work+0x177/0xcb0 kernel/workqueue.c:1440 Code: eb ff 48 89 df 89 c6 e8 b7 64 ff ff 49 89 c7 48 89 ef e8 0c 8a ff ff 49 89 c0 4c 89 f8 48 c1 e8 03 4d 85 c0 0f 84 22 01 00 00 <42> 80 3c 30 00 0f 85 34 09 00 00 4d 39 07 0f 84 1c 01 00 00 4c 89 RSP: 0018:ffffc900022ff3c0 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffff888019d43000 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000004 RDI: ffff88800fc00048 RBP: ffff8880311710f8 R08: ffff88800f869800 R09: fffffbfff15466c9 R10: ffffffff8aa33648 R11: 0000000000000000 R12: 0000000000000001 R13: ffffed10033a8638 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fae957f9700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0007fd000 CR3: 0000000011186000 CR4: 0000000000350ee0 Call Trace: queue_work_on+0x6d/0x80 kernel/workqueue.c:1524 queue_work include/linux/workqueue.h:507 [inline] nci_send_cmd+0x21d/0x340 net/nfc/nci/core.c:1359 nci_reset_req+0x66/0x90 net/nfc/nci/core.c:163 __nci_request+0x81/0x260 net/nfc/nci/core.c:107 nci_open_device net/nfc/nci/core.c:496 [inline] nci_dev_up+0x1d6/0x540 net/nfc/nci/core.c:617 nfc_dev_up+0x150/0x300 net/nfc/core.c:118 nfc_genl_dev_up+0x90/0xe0 net/nfc/netlink.c:768 genl_family_rcv_msg_doit+0x1e4/0x2f0 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x27d/0x490 net/netlink/genetlink.c:800 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2494 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x70e/0xbe0 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:672 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2345 ___sys_sendmsg+0xd3/0x150 net/socket.c:2399 __sys_sendmsg+0xb2/0x140 net/socket.c:2432 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fae964a7639 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fae957f9168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fae965c8050 RCX: 00007fae964a7639 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007fae96502ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffccf8dd07f R14: 00007fae957f9300 R15: 0000000000022000 Modules linked in: ---[ end trace 279cab39622c32a7 ]--- RIP: 0010:__queue_work+0x177/0xcb0 kernel/workqueue.c:1440 Code: eb ff 48 89 df 89 c6 e8 b7 64 ff ff 49 89 c7 48 89 ef e8 0c 8a ff ff 49 89 c0 4c 89 f8 48 c1 e8 03 4d 85 c0 0f 84 22 01 00 00 <42> 80 3c 30 00 0f 85 34 09 00 00 4d 39 07 0f 84 1c 01 00 00 4c 89 RSP: 0018:ffffc900022ff3c0 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffff888019d43000 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000004 RDI: ffff88800fc00048 RBP: ffff8880311710f8 R08: ffff88800f869800 R09: fffffbfff15466c9 R10: ffffffff8aa33648 R11: 0000000000000000 R12: 0000000000000001 R13: ffffed10033a8638 R14: dffffc0000000000 R15: 0000000000000000 FS: 00007fae957f9700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0007fd000 CR3: 0000000011186000 CR4: 0000000000350ee0 ---------------- Code disassembly (best guess): 0: eb ff jmp 0x1 2: 48 89 df mov %rbx,%rdi 5: 89 c6 mov %eax,%esi 7: e8 b7 64 ff ff callq 0xffff64c3 c: 49 89 c7 mov %rax,%r15 f: 48 89 ef mov %rbp,%rdi 12: e8 0c 8a ff ff callq 0xffff8a23 17: 49 89 c0 mov %rax,%r8 1a: 4c 89 f8 mov %r15,%rax 1d: 48 c1 e8 03 shr $0x3,%rax 21: 4d 85 c0 test %r8,%r8 24: 0f 84 22 01 00 00 je 0x14c * 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction 2f: 0f 85 34 09 00 00 jne 0x969 35: 4d 39 07 cmp %r8,(%r15) 38: 0f 84 1c 01 00 00 je 0x15a 3e: 4c rex.WR 3f: 89 .byte 0x89