BUG: sleeping function called from invalid context at fs/inode.c:1928
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6554, name: syz-executor
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor/6554:
 #0: ffff0000fdb000e0 (&type->s_umount_key#100){+.+.}-{4:4}, at: __super_lock fs/super.c:57 [inline]
 #0: ffff0000fdb000e0 (&type->s_umount_key#100){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline]
 #0: ffff0000fdb000e0 (&type->s_umount_key#100){+.+.}-{4:4}, at: deactivate_super+0xd8/0x100 fs/super.c:505
 #1: ffff0000fdb00998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
 #1: ffff0000fdb00998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: hook_sb_delete+0xa8/0xa24 security/landlock/fs.c:1279
Preemption disabled at:
[<ffff800082a1f414>] spin_lock include/linux/spinlock.h:351 [inline]
[<ffff800082a1f414>] hook_sb_delete+0xa8/0xa24 security/landlock/fs.c:1279
CPU: 0 UID: 0 PID: 6554 Comm: syz-executor Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 __might_resched+0x348/0x4c4 kernel/sched/core.c:8927
 __might_sleep+0x94/0x110 kernel/sched/core.c:8856
 iput+0x3c/0xad4 fs/inode.c:1928
 hook_sb_delete+0x5e8/0xa24 security/landlock/fs.c:1342
 security_sb_delete+0x88/0x16c security/security.c:1467
 generic_shutdown_super+0xb0/0x2b8 fs/super.c:634
 kill_block_super+0x44/0x90 fs/super.c:1722
 exfat_kill_sb+0x40/0x70 fs/exfat/super.c:839
 deactivate_locked_super+0xc4/0x12c fs/super.c:473
 deactivate_super+0xe0/0x100 fs/super.c:506
 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1327
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1334
 task_work_run+0x1dc/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xfc/0x178 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:103 [inline]
 el0_svc+0x170/0x254 arch/arm64/kernel/entry-common.c:747
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596