syzbot

=============================
[ BUG: Invalid wait context ]
6.12.0-syzkaller-03657-g43fb83c17ba2 #0 Not tainted
-----------------------------
syz.8.1491/11716 is trying to lock:
ffffffff8e272ed8 (map_idr_lock){+...}-{3:3}, at: bpf_map_free_id kernel/bpf/syscall.c:380 [inline]
ffffffff8e272ed8 (map_idr_lock){+...}-{3:3}, at: bpf_map_free_id kernel/bpf/syscall.c:368 [inline]
ffffffff8e272ed8 (map_idr_lock){+...}-{3:3}, at: bpf_map_put kernel/bpf/syscall.c:808 [inline]
ffffffff8e272ed8 (map_idr_lock){+...}-{3:3}, at: bpf_map_put+0x1a1/0x2b0 kernel/bpf/syscall.c:804
other info that might help us debug this:
context-{5:5}
2 locks held by syz.8.1491/11716:
 #0: ffffffff8e1bb1c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #0: ffffffff8e1bb1c0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #0: ffffffff8e1bb1c0 (rcu_read_lock){....}-{1:3}, at: map_delete_elem+0x498/0x9a0 kernel/bpf/syscall.c:1677
 #1: ffff8880284810b0 (&htab->lockdep_key){....}-{2:2}, at: htab_lock_bucket kernel/bpf/hashtab.c:167 [inline]
 #1: ffff8880284810b0 (&htab->lockdep_key){....}-{2:2}, at: htab_map_delete_elem+0x1c8/0x730 kernel/bpf/hashtab.c:1430
stack backtrace:
CPU: 0 UID: 0 PID: 11716 Comm: syz.8.1491 Not tainted 6.12.0-syzkaller-03657-g43fb83c17ba2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline]
 check_wait_context kernel/locking/lockdep.c:4898 [inline]
 __lock_acquire+0x878/0x3c40 kernel/locking/lockdep.c:5176
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
 bpf_map_free_id kernel/bpf/syscall.c:380 [inline]
 bpf_map_free_id kernel/bpf/syscall.c:368 [inline]
 bpf_map_put kernel/bpf/syscall.c:808 [inline]
 bpf_map_put+0x1a1/0x2b0 kernel/bpf/syscall.c:804
 htab_put_fd_value kernel/bpf/hashtab.c:911 [inline]
 free_htab_elem+0xce/0x260 kernel/bpf/hashtab.c:946
 htab_map_delete_elem+0x29a/0x730 kernel/bpf/hashtab.c:1438
 map_delete_elem+0x50e/0x9a0 kernel/bpf/syscall.c:1678
 __sys_bpf+0x630/0x49a0 kernel/bpf/syscall.c:5644
 __do_sys_bpf kernel/bpf/syscall.c:5760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5758 [inline]
 __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5758
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f139597e819
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:00007f139681d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f1395b35fa0 RCX: 00007f139597e819
RDX: 0000000000000020 RSI: 0000000020000300 RDI: 0000000000000003
RBP: 00007f13959f175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1395b35fa0 R15: 00007ffcc3ecb8f8
 </TASK>