------------[ cut here ]------------
WARNING: CPU: 2 PID: 7833 at include/linux/gfp.h:323 page_frag_alloc_align include/linux/gfp.h:323 [inline]
WARNING: CPU: 2 PID: 7833 at include/linux/gfp.h:323 rxrpc_alloc_data_txbuf+0x13c/0xd30 net/rxrpc/txbuf.c:36
Modules linked in:
CPU: 2 PID: 7833 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-05292-gb0546776ad3f #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:page_frag_alloc_align include/linux/gfp.h:323 [inline]
RIP: 0010:rxrpc_alloc_data_txbuf+0x13c/0xd30 net/rxrpc/txbuf.c:36
Code: ff df 48 c1 ea 03 44 89 7c 24 14 80 3c 02 00 0f 85 e4 0b 00 00 48 8b 43 10 48 05 80 02 00 00 48 89 44 24 08 e8 75 b4 a0 f7 90 <0f> 0b 90 e8 6c b4 a0 f7 8b 4c 24 10 44 89 e2 8b 74 24 14 48 8b 7c
RSP: 0018:ffffc90006377658 EFLAGS: 00010283
RAX: 000000000003089e RBX: ffff88804d444380 RCX: ffffc90003a79000
RDX: 0000000000040000 RSI: ffffffff89ecddcb RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff1f381c2
R10: ffffc90006377658 R11: 0000000000000001 R12: 0000000000000cc0
R13: ffff88804d444390 R14: ffff88806f069700 R15: 000000000000001c
FS:  0000000000000000(0000) GS:ffff88802c400000(0063) knlGS:00000000f5f24b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f74688d0 CR3: 0000000051f9c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rxrpc_send_data+0xf93/0x2ab0 net/rxrpc/sendmsg.c:351
 rxrpc_do_sendmsg+0xd77/0x13f0 net/rxrpc/sendmsg.c:718
 rxrpc_sendmsg+0x427/0x5f0 net/rxrpc/af_rxrpc.c:627
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x9b4/0xb50 net/socket.c:2584
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2638
 __sys_sendmmsg+0x2a5/0x450 net/socket.c:2717
 __compat_sys_sendmmsg net/compat.c:360 [inline]
 __do_compat_sys_sendmmsg net/compat.c:367 [inline]
 __se_compat_sys_sendmmsg net/compat.c:364 [inline]
 __ia32_compat_sys_sendmmsg+0x9d/0x100 net/compat.c:364
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x7a/0x120 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:346
 entry_SYSENTER_compat_after_hwframe+0x7a/0x84
RIP: 0023:0xf732a579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f5f245ac EFLAGS: 00000292 ORIG_RAX: 0000000000000159
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00000000200015c0
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi