llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-512)
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10193 Comm: syz-executor388 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2022
RIP: 0010:nfc_alloc_send_skb+0x3a/0x190 net/nfc/core.c:729
Code: 54 41 89 d4 55 53 48 89 fb 48 8d ab 50 05 00 00 48 83 ec 08 e8 27 50 85 f9 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 14 01 00 00 48 8d bb 54 05 00
RSP: 0018:ffff8880930df8f8 EFLAGS: 00010206
llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-512)
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000082
RDX: 00000000000000aa RSI: ffffffff87dd3549 RDI: 0000000000000000
RBP: 0000000000000550 R08: ffff8880930df9a8 R09: 000000000000087f
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000082 R14: ffff8880aa51b180 R15: ffff8880930df9a8
FS: 00007f2149900700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f21499c501d CR3: 00000000aaa6c000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
nfc_llcp_send_ui_frame+0x29c/0x400 net/nfc/llcp_commands.c:775
llcp_sock_sendmsg+0x2b0/0x3a0 net/nfc/llcp_sock.c:810
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:661
___sys_sendmsg+0x3b3/0x8e0 net/socket.c:2227
llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-512)
__sys_sendmmsg+0x195/0x470 net/socket.c:2322
__do_sys_sendmmsg net/socket.c:2351 [inline]
__se_sys_sendmmsg net/socket.c:2348 [inline]
__x64_sys_sendmmsg+0x99/0x100 net/socket.c:2348
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f214996fc79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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:00007f21499002f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f214996fc79
RDX: 0000000000000002 RSI: 0000000020004cc0 RDI: 0000000000000003
RBP: 00007f21499f83f8 R08: 0000000000000000 R09: 0000000000000000
llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-512)
R10: 0000000020000000 R11: 0000000000000246 R12: 00007f21499f83f0
R13: 00007f21499c5870 R14: f981dd66eb1318f7 R15: 767247392c94a869
Modules linked in:
---[ end trace e79f6eca90501db4 ]---
RIP: 0010:nfc_alloc_send_skb+0x3a/0x190 net/nfc/core.c:729
Code: 54 41 89 d4 55 53 48 89 fb 48 8d ab 50 05 00 00 48 83 ec 08 e8 27 50 85 f9 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 14 01 00 00 48 8d bb 54 05 00
RSP: 0018:ffff8880930df8f8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000082
RDX: 00000000000000aa RSI: ffffffff87dd3549 RDI: 0000000000000000
RBP: 0000000000000550 R08: ffff8880930df9a8 R09: 000000000000087f
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000082 R14: ffff8880aa51b180 R15: ffff8880930df9a8
FS: 00007f2149900700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
llcp: nfc_llcp_send_ui_frame: Could not allocate PDU (error=-512)
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000304 CR3: 00000000aaa6c000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 54 push %rsp
1: 41 89 d4 mov %edx,%r12d
4: 55 push %rbp
5: 53 push %rbx
6: 48 89 fb mov %rdi,%rbx
9: 48 8d ab 50 05 00 00 lea 0x550(%rbx),%rbp
10: 48 83 ec 08 sub $0x8,%rsp
14: e8 27 50 85 f9 callq 0xf9855040
19: 48 89 ea mov %rbp,%rdx
1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
23: fc ff df
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 74 08 je 0x3a
32: 3c 03 cmp $0x3,%al
34: 0f 8e 14 01 00 00 jle 0x14e
3a: 48 rex.W
3b: 8d .byte 0x8d
3c: bb .byte 0xbb
3d: 54 push %rsp
3e: 05 .byte 0x5