BUG: sleeping function called from invalid context at fs/inode.c:1928 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 13203, name: syz.6.15411 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz.6.15411/13203: #0: ffff88804e2100e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock fs/super.c:57 [inline] #0: ffff88804e2100e0 (&type->s_umount_key#63){++++}-{4:4}, at: __super_lock_excl fs/super.c:72 [inline] #0: ffff88804e2100e0 (&type->s_umount_key#63){++++}-{4:4}, at: deactivate_super+0xa9/0xe0 fs/super.c:505 #1: ffff88804e210998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline] #1: ffff88804e210998 (&s->s_inode_list_lock){+.+.}-{3:3}, at: hook_sb_delete+0xae/0xbd0 security/landlock/fs.c:1405 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 UID: 0 PID: 13203 Comm: syz.6.15411 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 __might_resched+0x495/0x610 kernel/sched/core.c:8960 iput+0x2b/0xc50 fs/inode.c:1928 hook_sb_delete+0x6b5/0xbd0 security/landlock/fs.c:1468 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 __do_sys_exit_group kernel/exit.c:1118 [inline] __se_sys_exit_group kernel/exit.c:1116 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1116 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3359d8eec9 Code: Unable to access opcode bytes at 0x7f3359d8ee9f. RSP: 002b:00007ffec0357628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3359d8eec9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffec035768c R08: 0000000dc035771f R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000088d R13: 00000000000927c0 R14: 000000000018e6c3 R15: 00007ffec03576e0