------------[ cut here ]------------ WARNING: CPU: 1 PID: 4484 at kernel/cgroup/cgroup.c:1471 cset_cgroup_from_root+0x24c/0x2dc kernel/cgroup/cgroup.c:1471 Modules linked in: CPU: 1 PID: 4484 Comm: syz.4.28 Not tainted 6.1.103-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : cset_cgroup_from_root+0x24c/0x2dc kernel/cgroup/cgroup.c:1471 lr : cset_cgroup_from_root+0x24c/0x2dc kernel/cgroup/cgroup.c:1471 sp : ffff80001f867790 x29: ffff80001f867790 x28: ffff0000d195ca08 x27: 1fffe0001a32b941 x26: ffff0000d195c958 x25: dfff800000000000 x24: dfff800000000000 x23: ffff8000159c057c x22: ffff8000159c0000 x21: 0000000000000000 x20: ffff800015bbf020 x19: ffff0000d592c000 x18: ffff80001f867500 x17: ffff800018a96000 x16: ffff800008303e0c x15: ffff80001857bf80 x14: 000000008c59decd x13: dfff800000000000 x12: 0000000000040000 x11: 0000000000000dfc x10: ffff80002602a000 x9 : ffff80000846d920 x8 : 0000000000000dfd x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff800018c6caf8 x4 : 0000000000000008 x3 : ffff0000ed851100 x2 : 0000000000001000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: cset_cgroup_from_root+0x24c/0x2dc kernel/cgroup/cgroup.c:1471 cgroup_path_ns_locked+0x70/0xd4 kernel/cgroup/cgroup.c:2358 proc_cpuset_show+0x298/0x42c kernel/cgroup/cpuset.c:4220 proc_single_show+0xf4/0x1b8 fs/proc/base.c:777 seq_read_iter+0x3e0/0xc44 fs/seq_file.c:230 seq_read+0x1e8/0x2c0 fs/seq_file.c:162 vfs_read+0x280/0x8b4 fs/read_write.c:468 ksys_read+0x15c/0x26c fs/read_write.c:613 __do_sys_read fs/read_write.c:623 [inline] __se_sys_read fs/read_write.c:621 [inline] __arm64_sys_read+0x7c/0x90 fs/read_write.c:621 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 386 hardirqs last enabled at (385): [<ffff80001236a8cc>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (385): [<ffff80001236a8cc>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (386): [<ffff80001236a72c>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (386): [<ffff80001236a72c>] _raw_spin_lock_irq+0x34/0x9c kernel/locking/spinlock.c:170 softirqs last enabled at (364): [<ffff800008032978>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (362): [<ffff800008032944>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---