------------[ cut here ]------------
WARNING: CPU: 1 PID: 6363 at kernel/cgroup/cpuset.c:1487 update_cpumasks_hier+0xa09/0x1480 kernel/cgroup/cpuset.c:1487
Modules linked in:
CPU: 1 PID: 6363 Comm: syz-executor.4 Not tainted 5.16.0-syzkaller-11613-g0908a66ad112 #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 96 d7 ef ff e8 b1 78 04 00
RSP: 0018:ffffc90002e6fa80 EFLAGS: 00010216
RAX: 000000000000299b RBX: 0000000000000002 RCX: ffffc90011a20000
RDX: 0000000000040000 RSI: ffffffff8173dcd9 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8fdeca17
R10: ffffffff8173dccb R11: 0000000000000001 R12: ffff888051cf9800
R13: dffffc0000000000 R14: ffff888051cf9930 R15: 0000000000000000
FS:  00007f4b6f6ef700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555570d8848 CR3: 000000001991d000 CR4: 00000000003506f0
DR0: 0000000020000540 DR1: 0000000020000540 DR2: 0000000020000540
DR3: 0000000020000540 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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:3877
 kernfs_fop_write_iter+0x342/0x500 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2086 [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_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4b70d7a059
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f4b6f6ef168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4b70e8cf60 RCX: 00007f4b70d7a059
RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00007f4b70dd408d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe98b93cdf R14: 00007f4b6f6ef300 R15: 0000000000022000
 </TASK>