syzbot

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WARNING: CPU: 1 PID: 8570 at kernel/cgroup/cgroup.c:1424 cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline]
WARNING: CPU: 1 PID: 8570 at kernel/cgroup/cgroup.c:1424 cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302
Modules linked in:
CPU: 1 PID: 8570 Comm: syz.1.1408 Not tainted 5.15.167-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 : ffff800020317750
x29: ffff800020317750 x28: ffff0000cbb57b30 x27: 1ffff00002958069
x26: ffff800014cb9540 x25: ffff0000ca2e0000 x24: dfff800000000000
x23: ffff800014ac0000 x22: 0000000000000000 x21: ffff0000da176000
x20: ffff0000c7c38000 x19: 0000000000001000 x18: ffff8000203174a0
x17: ffff80000897af34 x16: ffff8000082eae98 x15: 0000000000000004
x14: 00000000e2d06237 x13: dfff800000000000 x12: 0000000000040000
x11: 00000000000015b2 x10: ffff800020c29000 x9 : 00000000000015b3
x8 : ffff800008445a94 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000179f36d8 x4 : 0000000000000008 x3 : ffff0000c7ef1000
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: 614
hardirqs last  enabled at (613): [<ffff800011b98cec>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (613): [<ffff800011b98cec>] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194
hardirqs last disabled at (614): [<ffff800011b98850>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline]
hardirqs last disabled at (614): [<ffff800011b98850>] _raw_spin_lock_irq+0x38/0x13c kernel/locking/spinlock.c:170
softirqs last  enabled at (590): [<ffff8000080308b0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (588): [<ffff80000803087c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace 0b2ca38b9676879d ]---