------------[ cut here ]------------ WARNING: CPU: 0 PID: 4845 at kernel/cgroup/cgroup.c:1424 cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] WARNING: CPU: 0 PID: 4845 at kernel/cgroup/cgroup.c:1424 cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 Modules linked in: CPU: 0 PID: 4845 Comm: syz.0.15 Not tainted 5.15.166-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] pc : cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 lr : cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] lr : cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 sp : ffff80001fd87750 x29: ffff80001fd87750 x28: ffff0000cda8ec58 x27: 1ffff00002956069 x26: ffff800014ca9500 x25: ffff0000d323c000 x24: dfff800000000000 x23: ffff800014ab0000 x22: 0000000000000000 x21: ffff0000ceae6000 x20: ffff0000c8f4e000 x19: 0000000000001000 x18: ffff80001fd874a0 x17: ffff800008978c10 x16: ffff8000082eae1c x15: 000000000001b631 x14: 00000000139b590d x13: dfff800000000000 x12: ffff700003fb0edc x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000d4119b40 x8 : ffff800008444a08 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800017806000 x4 : 0000000000000008 x3 : ffff0000c8133a00 x2 : 0000000000001000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline] cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302 proc_cpuset_show+0x298/0x42c kernel/cgroup/cpuset.c:3787 proc_single_show+0xf4/0x1cc fs/proc/base.c:778 seq_read_iter+0x3e0/0xc44 fs/seq_file.c:230 seq_read+0x388/0x4ec fs/seq_file.c:162 vfs_read+0x278/0xb18 fs/read_write.c:483 ksys_read+0x15c/0x26c fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __arm64_sys_read+0x7c/0x90 fs/read_write.c:631 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 116 hardirqs last enabled at (115): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (115): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (116): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (116): [] _raw_spin_lock_irq+0x38/0x13c kernel/locking/spinlock.c:170 softirqs last enabled at (92): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (90): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace a08c7eaedfc7a5fa ]---