BUG: sleeping function called from invalid context at fs/inode.c:1928
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4037, name: syz.0.33
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz.0.33/4037:
 #0: ffffaf801dd520e0 (&type->s_umount_key#49){+.+.}-{4:4}, at: __super_lock fs/super.c:57 [inline]
 #0: ffffaf801dd520e0 (&type->s_umount_key#49){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline]
 #0: ffffaf801dd520e0 (&type->s_umount_key#49){+.+.}-{4:4}, at: deactivate_super fs/super.c:505 [inline]
 #0: ffffaf801dd520e0 (&type->s_umount_key#49){+.+.}-{4:4}, at: deactivate_super+0x7e/0x98 fs/super.c:502
 #1: ffffaf801dd52998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #1: ffffaf801dd52998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: hook_sb_delete security/landlock/fs.c:1279 [inline]
 #1: ffffaf801dd52998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: hook_sb_delete+0x12e/0xbde security/landlock/fs.c:1272
Preemption disabled at:
[<ffffffff81450300>] spin_lock include/linux/spinlock.h:351 [inline]
[<ffffffff81450300>] hook_sb_delete security/landlock/fs.c:1279 [inline]
[<ffffffff81450300>] hook_sb_delete+0x12e/0xbde security/landlock/fs.c:1272
CPU: 0 UID: 0 PID: 4037 Comm: syz.0.33 Not tainted syzkaller #0 PREEMPT 
Hardware name: riscv-virtio,qemu (DT)
Call Trace:
[<ffffffff8007941a>] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:132
[<ffffffff8000329a>] show_stack+0x30/0x3c arch/riscv/kernel/stacktrace.c:138
[<ffffffff80060c50>] __dump_stack lib/dump_stack.c:94 [inline]
[<ffffffff80060c50>] dump_stack_lvl+0x12a/0x1a2 lib/dump_stack.c:120
[<ffffffff80060ce4>] dump_stack+0x1c/0x24 lib/dump_stack.c:129
[<ffffffff80216fd0>] __might_resched+0x59c/0x5f8 kernel/sched/core.c:8925
[<ffffffff802170b2>] __might_sleep+0x86/0xca kernel/sched/core.c:8854
[<ffffffff80cceb0c>] iput+0x3c/0xb22 fs/inode.c:1928
[<ffffffff81450a40>] hook_sb_delete security/landlock/fs.c:1342 [inline]
[<ffffffff81450a40>] hook_sb_delete+0x86e/0xbde security/landlock/fs.c:1272
[<ffffffff81364eee>] security_sb_delete+0xac/0x184 security/security.c:1467
[<ffffffff80c57930>] generic_shutdown_super+0xba/0x37c fs/super.c:634
[<ffffffff80c5920c>] kill_anon_super fs/super.c:1281 [inline]
[<ffffffff80c5920c>] kill_litter_super+0x74/0xb0 fs/super.c:1291
[<ffffffff80c5adac>] deactivate_locked_super+0xd8/0x19c fs/super.c:473
[<ffffffff80c5aef4>] deactivate_super fs/super.c:506 [inline]
[<ffffffff80c5aef4>] deactivate_super+0x84/0x98 fs/super.c:502
[<ffffffff80cec824>] cleanup_mnt+0x1dc/0x3e6 fs/namespace.c:1327
[<ffffffff80cecada>] __cleanup_mnt+0x1c/0x26 fs/namespace.c:1334
[<ffffffff801e168c>] task_work_run+0x16a/0x25e kernel/task_work.c:227
[<ffffffff803c17e6>] resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
[<ffffffff803c17e6>] exit_to_user_mode_loop+0x110/0x142 kernel/entry/common.c:43
[<ffffffff86532a7c>] exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
[<ffffffff86532a7c>] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
[<ffffffff86532a7c>] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
[<ffffffff86532a7c>] do_trap_ecall_u+0x3f8/0x53a arch/riscv/kernel/traps.c:357
[<ffffffff8655c326>] handle_exception+0x146/0x152 arch/riscv/kernel/entry.S:198