------------[ cut here ]------------
WARNING: CPU: 1 PID: 5318 at include/linux/gfp.h:323 page_frag_alloc_align include/linux/gfp.h:323 [inline]
WARNING: CPU: 1 PID: 5318 at include/linux/gfp.h:323 rxrpc_alloc_data_txbuf+0x7cf/0xda0 net/rxrpc/txbuf.c:36
Modules linked in:
CPU: 1 PID: 5318 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:page_frag_alloc_align include/linux/gfp.h:323 [inline]
RIP: 0010:rxrpc_alloc_data_txbuf+0x7cf/0xda0 net/rxrpc/txbuf.c:36
Code: 0b fb f6 4c 89 f7 e8 d0 09 53 f7 45 31 f6 4c 89 f0 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 22 0b fb f6 90 <0f> 0b 90 e9 8d f9 ff ff 44 89 fe 83 e6 01 31 ff e8 4c 0f fb f6 44
RSP: 0018:ffffc9000a1372e8 EFLAGS: 00010283
RAX: ffffffff8a99ea2e RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90005061000 RSI: 000000000000c8c3 RDI: 000000000000c8c4
RBP: 0000000000000000 R08: ffffffff8a99e3b6 R09: 1ffffffff1f0e74d
R10: dffffc0000000000 R11: fffffbfff1f0e74e R12: ffff8880667d4390
R13: ffff88806484a280 R14: ffff888023656100 R15: 0000000000000cc0
FS:  0000000000000000(0000) GS:ffff8880b9500000(0063) knlGS:00000000f5ea3b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000020000140 CR3: 000000001e432000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rxrpc_send_data+0xb18/0x2800 net/rxrpc/sendmsg.c:351
 rxrpc_do_sendmsg+0x1569/0x1910 net/rxrpc/sendmsg.c:718
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2584
 ___sys_sendmsg net/socket.c:2638 [inline]
 __sys_sendmmsg+0x4af/0x740 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+0xa2/0xc0 net/compat.c:364
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xbe/0x120 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/common.c:346
 entry_SYSENTER_compat_after_hwframe+0x7a/0x84
RIP: 0023:0xf72b1579
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 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f5ea35ac EFLAGS: 00000206 ORIG_RAX: 0000000000000159
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000080
RDX: 0000000000000001 RSI: 0000000020000880 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 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:	90                   	nop
  31:	90                   	nop
  32:	90                   	nop
  33:	90                   	nop
  34:	90                   	nop
  35:	90                   	nop
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop