__nla_validate_parse: 3 callbacks suppressed ============================= [ BUG: Invalid wait context ] 6.12.0-syzkaller-09099-ge2cf913314b9 #0 Not tainted ----------------------------- syz.1.239/6821 is trying to lock: ffff88805c0cda00 (&trie->lock){....}-{3:3}, at: trie_delete_elem+0x96/0x6a0 kernel/bpf/lpm_trie.c:462 other info that might help us debug this: context-{5:5} 3 locks held by syz.1.239/6821: #0: ffffffff8fce9408 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8fce9408 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6917 #1: ffffffff8f0be9f8 (_rs.lock){....}-{2:2}, at: ___ratelimit+0x184/0x690 lib/ratelimit.c:47 #2: ffffffff8e93c520 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff8e93c520 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff8e93c520 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2350 [inline] #2: ffffffff8e93c520 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x1fc/0x540 kernel/trace/bpf_trace.c:2392 stack backtrace: CPU: 0 UID: 0 PID: 6821 Comm: syz.1.239 Not tainted 6.12.0-syzkaller-09099-ge2cf913314b9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 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+0x15a8/0x2100 kernel/locking/lockdep.c:5176 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 trie_delete_elem+0x96/0x6a0 kernel/bpf/lpm_trie.c:462 bpf_prog_e3d85a4b6a7d3e61+0x49/0x4d bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2351 [inline] bpf_trace_run2+0x2ec/0x540 kernel/trace/bpf_trace.c:2392 trace_console include/trace/events/printk.h:10 [inline] printk_sprint+0x44b/0x4b0 kernel/printk/printk.c:2235 vprintk_store+0x990/0x1240 kernel/printk/printk.c:2336 vprintk_emit+0x271/0xa10 kernel/printk/printk.c:2408 vprintk_deferred kernel/printk/printk.c:4571 [inline] _printk_deferred+0xdc/0x120 kernel/printk/printk.c:4580 ___ratelimit+0x4d9/0x690 lib/ratelimit.c:56 __nla_validate_parse+0x2655/0x3090 lib/nlattr.c:647 __nla_parse+0x40/0x60 lib/nlattr.c:732 __nlmsg_parse include/net/netlink.h:764 [inline] nlmsg_parse_deprecated include/net/netlink.h:805 [inline] inet6_rtm_newaddr+0x17d/0xc80 net/ipv6/addrconf.c:4984 rtnetlink_rcv_msg+0x73f/0xcf0 net/core/rtnetlink.c:6920 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2541 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2669 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f24a237ff19 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:00007f24a01f6058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f24a2545fa0 RCX: 00007f24a237ff19 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007f24a23f3986 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f24a2545fa0 R15: 00007fff098f0438 netlink: 132 bytes leftover after parsing attributes in process `syz.1.239'.