syzbot

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WARNING: CPU: 0 PID: 4014 at kernel/cgroup/cgroup.c:1424 cset_cgroup_from_root kernel/cgroup/cgroup.c:1424 [inline]
WARNING: CPU: 0 PID: 4014 at kernel/cgroup/cgroup.c:1424 cgroup_path_ns_locked+0x270/0x2dc kernel/cgroup/cgroup.c:2302
Modules linked in:
CPU: 0 PID: 4014 Comm: syz-executor140 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 : ffff80001d0c7700
x29: ffff80001d0c7700 x28: ffff0000c9fa2cc0 x27: 1ffff00002956069
x26: ffff800014ca9500 x25: ffff800014ca70c0 x24: dfff800000000000
x23: ffff800014ab0000 x22: 0000000000000000 x21: ffff800014ca70d0
x20: ffff0000cc7f0000 x19: 0000000000001000 x18: ffff80001d0c7440
x17: ffff800008a19bb0 x16: ffff8000082eae1c x15: 000000000000b57c
x14: 00000000c4419ab7 x13: dfff800000000000 x12: ffff700003a18ed0
x11: 0000000000000001 x10: 0000000000000000 x9 : ffff0000d8490000
x8 : ffff800008444a08 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff8000177746a0 x4 : 0000000000000008 x3 : ffff800014ca97c0
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
 traverse+0x1e8/0x554 fs/seq_file.c:111
 seq_read_iter+0xb84/0xc44 fs/seq_file.c:195
 seq_read+0x388/0x4ec fs/seq_file.c:162
 vfs_read+0x278/0xb18 fs/read_write.c:483
 ksys_pread64 fs/read_write.c:675 [inline]
 __do_sys_pread64 fs/read_write.c:685 [inline]
 __se_sys_pread64 fs/read_write.c:682 [inline]
 __arm64_sys_pread64+0x188/0x220 fs/read_write.c:682
 __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: 13656
hardirqs last  enabled at (13655): [<ffff800011b8ec20>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (13655): [<ffff800011b8ec20>] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194
hardirqs last disabled at (13656): [<ffff800011b8e784>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline]
hardirqs last disabled at (13656): [<ffff800011b8e784>] _raw_spin_lock_irq+0x38/0x13c kernel/locking/spinlock.c:170
softirqs last  enabled at (13650): [<ffff8000081b6d74>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (13650): [<ffff8000081b6d74>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (13645): [<ffff8000081b740c>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (13645): [<ffff8000081b740c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (13645): [<ffff8000081b740c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (13645): [<ffff8000081b740c>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace d36b9822239ba8db ]---