================================================
WARNING: lock held when returning to user space!
6.10.0-syzkaller-04472-g51835949dda3 #0 Not tainted
------------------------------------------------
syz.2.560/7105 is leaving the kernel with locks still held!
1 lock held by syz.2.560/7105:
 #0: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
 #0: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline]
 #0: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: ns_ioctl+0x3e0/0x740 fs/nsfs.c:184
------------[ cut here ]------------
Voluntary context switch within RCU read-side critical section!
WARNING: CPU: 1 PID: 7105 at kernel/rcu/tree_plugin.h:330 rcu_note_context_switch+0xcf4/0xff0 kernel/rcu/tree_plugin.h:330
Modules linked in:
CPU: 1 PID: 7105 Comm: syz.2.560 Not tainted 6.10.0-syzkaller-04472-g51835949dda3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:rcu_note_context_switch+0xcf4/0xff0 kernel/rcu/tree_plugin.h:330
Code: 00 ba 02 00 00 00 e8 cb 02 fe ff 4c 8b b4 24 80 00 00 00 eb 91 c6 05 98 3f 1b 0e 01 90 48 c7 c7 40 21 cc 8b e8 8d 26 db ff 90 <0f> 0b 90 90 e9 3b f4 ff ff 90 0f 0b 90 45 84 ed 0f 84 00 f4 ff ff
RSP: 0000:ffffc90014e77ba0 EFLAGS: 00010046
RAX: 97dcf26accceda00 RBX: ffff88807e58a244 RCX: ffff88807e589e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90014e77cf0 R08: ffffffff815878a2 R09: fffffbfff1c39d94
R10: dffffc0000000000 R11: fffffbfff1c39d94 R12: ffff88807e589e00
R13: 0000000000000000 R14: 1ffff920029cef8c R15: dffffc0000000000
FS:  00007f88561106c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffbdda356b8 CR3: 000000007c84e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __schedule+0x348/0x4a60 kernel/sched/core.c:6417
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 exit_to_user_mode_loop kernel/entry/common.c:102 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 irqentry_exit_to_user_mode+0xe7/0x280 kernel/entry/common.c:231
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7f8855375b59
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8856110048 EFLAGS: 00000246
RAX: fffffffffffffffd RBX: 00007f8855505f60 RCX: 00007f8855375b59
RDX: 0000000000000000 RSI: 000000008004b706 RDI: 0000000000000003
RBP: 00007f88553e4e5d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f8855505f60 R15: 00007fffd69de9d8
 </TASK>