------------[ cut here ]------------
WARNING: CPU: 0 PID: 6540 at kernel/cgroup/cpuset.c:1487 update_cpumasks_hier+0xa09/0x1480 kernel/cgroup/cpuset.c:1487
Modules linked in:
CPU: 0 PID: 6540 Comm: syz-executor.3 Not tainted 5.17.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:update_cpumasks_hier+0xa09/0x1480 kernel/cgroup/cpuset.c:1487
Code: 00 0f 85 67 09 00 00 49 33 9c 24 30 01 00 00 31 ff 0f b6 db 48 89 de e8 65 7b 04 00 48 85 db 0f 84 4c fc ff ff e8 c7 78 04 00 <0f> 0b e9 40 fc ff ff e8 bb 78 04 00 e8 c6 d4 ef ff e8 b1 78 04 00
RSP: 0018:ffffc9000b797a60 EFLAGS: 00010216
RAX: 000000000000999b RBX: 0000000000000002 RCX: ffffc9000b9e2000
RDX: 0000000000040000 RSI: ffffffff8173f689 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffd3957
R10: ffffffff8173f67b R11: 0000000000000001 R12: ffff88801c2d4000
R13: dffffc0000000000 R14: ffff88801c2d4130 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:00000000f5878b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f6fbf110 CR3: 0000000068cb9000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 update_cpumask kernel/cgroup/cpuset.c:1616 [inline]
 cpuset_write_resmask+0xfb7/0x20f0 kernel/cgroup/cpuset.c:2454
 cgroup_file_write+0x1de/0x760 kernel/cgroup/cgroup.c:3882
 kernfs_fop_write_iter+0x342/0x500 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2074 [inline]
 new_sync_write+0x431/0x660 fs/read_write.c:503
 vfs_write+0x7cd/0xae0 fs/read_write.c:590
 ksys_write+0x12d/0x250 fs/read_write.c:643
 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: 0023:0xf6e7e549
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:00000000f58785cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000080
RDX: 0000000000000048 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