BUG: sleeping function called from invalid context at fs/inode.c:1928 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 13828, name: syz.3.2100 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz.3.2100/13828: #0: ffff888023c680e0 (&type->s_umount_key#54){+.+.}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff888023c680e0 (&type->s_umount_key#54){+.+.}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff888023c680e0 (&type->s_umount_key#54){+.+.}-{4:4}, at: deactivate_super+0xa9/0xe0 fs/super.c:505 #1: ffff888023c68998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline] #1: ffff888023c68998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: hook_sb_delete+0xae/0xbd0 security/landlock/fs.c:1279 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 UID: 0 PID: 13828 Comm: syz.3.2100 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 __might_resched+0x495/0x610 kernel/sched/core.c:8927 iput+0x2b/0xc50 fs/inode.c:1928 hook_sb_delete+0x6b5/0xbd0 security/landlock/fs.c:1342 security_sb_delete+0x80/0x150 security/security.c:1467 generic_shutdown_super+0xaa/0x2c0 fs/super.c:634 kill_anon_super fs/super.c:1281 [inline] kill_litter_super+0x76/0xb0 fs/super.c:1291 deactivate_locked_super+0xbc/0x130 fs/super.c:473 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1327 task_work_run+0x1d4/0x260 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x6b5/0x2300 kernel/exit.c:966 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107 get_signal+0x1285/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0xa0/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x72/0x130 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] __do_fast_syscall_32+0x1f4/0x2b0 arch/x86/entry/syscall_32.c:309 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf70fd539 Code: Unable to access opcode bytes at 0xf70fd50f. RSP: 002b:00000000f54cc460 EFLAGS: 00000206 ORIG_RAX: 000000000000010b RAX: fffffffffffffdfc RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000f54cc494 RSI: 00000000f54cc48c RDI: 00000000f54cc494 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000