------------[ cut here ]------------
WARNING: CPU: 1 PID: 7489 at mm/util.c:590 kvmalloc_node+0xf5/0x100 mm/util.c:590
Modules linked in:
CPU: 1 PID: 7489 Comm: syz-executor.3 Not tainted 5.17.0-rc6-syzkaller-00066-g5859a2b19911 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:kvmalloc_node+0xf5/0x100 mm/util.c:590
Code: 01 00 00 00 48 89 ef e8 f9 02 0d 00 49 89 c5 e9 62 ff ff ff e8 dc 90 d0 ff 45 89 e5 41 81 cd 00 20 01 00 eb 8e e8 cb 90 d0 ff <0f> 0b e9 45 ff ff ff 0f 1f 40 00 55 48 89 fd 53 e8 b6 90 d0 ff 48
RSP: 0018:ffffc90004fc7c60 EFLAGS: 00010216
RAX: 0000000000000066 RBX: 1ffff920009f8f97 RCX: ffffc9000303c000
RDX: 0000000000040000 RSI: ffffffff81a81cd5 RDI: 0000000000000003
RBP: 00000000ffffffff R08: 000000007fffffff R09: 00000000ffffffff
R10: ffffffff81a81c91 R11: 0000000000000000 R12: 0000000000102cc0
R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88802cb00000(0063) knlGS:00000000f58a3b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f74c1000 CR3: 000000006b419000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kvmalloc include/linux/slab.h:731 [inline]
 map_lookup_elem kernel/bpf/syscall.c:1100 [inline]
 __sys_bpf+0x38ed/0x5970 kernel/bpf/syscall.c:4622
 __do_sys_bpf kernel/bpf/syscall.c:4741 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4739 [inline]
 __ia32_sys_bpf+0x74/0xc0 kernel/bpf/syscall.c:4739
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf6ea9549
Code: 03 74 c0 01 10 05 03 74 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 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:00000000f58a35cc EFLAGS: 00000296 ORIG_RAX: 0000000000000165
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000020000100
RDX: 0000000000000020 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	03 74 c0 01          	add    0x1(%rax,%rax,8),%esi
   4:	10 05 03 74 b8 01    	adc    %al,0x1b87403(%rip)        # 0x1b8740d
   a:	10 06                	adc    %al,(%rsi)
   c:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
  10:	10 07                	adc    %al,(%rdi)
  12:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
  16:	10 08                	adc    %cl,(%rax)
  18:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1c:	00 00                	add    %al,(%rax)
  1e:	00 00                	add    %al,(%rax)
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	retq
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  39:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi