------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 1 PID: 10431 at kernel/locking/lockdep.c:2067 print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2067 Modules linked in: CPU: 1 PID: 10431 Comm: syz-executor319 Not tainted 6.3.0-rc7-syzkaller-g14f8db1c0f9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2067 lr : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2067 sp : ffff800026ca62c0 x29: ffff800026ca62c0 x28: 0000000000000007 x27: ffff0000cd10dca0 x26: 00000000000003dd x25: ffff800019c8c5f8 x24: ffff800018ebe000 x23: 1fffe00019a21b94 x22: 000000000000001e x21: ffff800019c8c588 x20: 0000000000000001 x19: 00000000ffffffff x18: ffff800026ca6440 x17: 0000000000000000 x16: ffff80001236e294 x15: 0000000000000005 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000003 x10: 0000000000000000 x9 : 45a1bb22e4b35800 x8 : 45a1bb22e4b35800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800026ca5bb8 x4 : ffff800015e4ccc0 x3 : ffff800008584230 x2 : 0000000000000001 x1 : 0000000100000003 x0 : 0000000000000000 Call trace: print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2067 check_irq_usage kernel/locking/lockdep.c:2792 [inline] check_prev_add kernel/locking/lockdep.c:3102 [inline] check_prevs_add kernel/locking/lockdep.c:3217 [inline] validate_chain kernel/locking/lockdep.c:3832 [inline] __lock_acquire+0x618c/0x764c kernel/locking/lockdep.c:5056 lock_acquire+0x238/0x718 kernel/locking/lockdep.c:5669 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154 mm_cid_put+0x188/0x328 kernel/sched/sched.h:3270 switch_mm_cid kernel/sched/sched.h:3298 [inline] prepare_task_switch kernel/sched/core.c:5117 [inline] context_switch kernel/sched/core.c:5258 [inline] __schedule+0xd80/0x1e2c kernel/sched/core.c:6625 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:6937 arm64_preempt_schedule_irq arch/arm64/kernel/entry-common.c:265 [inline] __el1_irq arch/arm64/kernel/entry-common.c:474 [inline] el1_interrupt+0x4c/0x68 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:182 [inline] arch_local_irq_restore arch/arm64/include/asm/irqflags.h:202 [inline] lock_acquire+0x274/0x718 kernel/locking/lockdep.c:5672 fs_reclaim_acquire+0xb0/0x120 mm/page_alloc.c:4734 might_alloc include/linux/sched/mm.h:271 [inline] slab_pre_alloc_hook mm/slab.h:728 [inline] slab_alloc_node mm/slub.c:3434 [inline] kmem_cache_alloc_node+0x5c/0x46c mm/slub.c:3497 __alloc_skb+0x19c/0x3d8 net/core/skbuff.c:596 alloc_skb include/linux/skbuff.h:1277 [inline] nlmsg_new include/net/netlink.h:1003 [inline] genlmsg_new include/net/genetlink.h:491 [inline] __send_and_alloc_skb drivers/net/team/team.c:2430 [inline] team_nl_send_options_get+0x1b8/0x12a4 drivers/net/team/team.c:2453 team_nl_send_event_options_get drivers/net/team/team.c:2870 [inline] team_nl_cmd_options_set+0xa7c/0xdec drivers/net/team/team.c:2673 genl_family_rcv_msg_doit net/netlink/genetlink.c:968 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x938/0xc1c net/netlink/genetlink.c:1065 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2577 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:724 [inline] sock_sendmsg net/socket.c:747 [inline] ____sys_sendmsg+0x568/0x81c net/socket.c:2501 ___sys_sendmsg net/socket.c:2555 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2584 __do_sys_sendmsg net/socket.c:2593 [inline] __se_sys_sendmsg net/socket.c:2591 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2591 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 3136 hardirqs last enabled at (3135): [] preempt_schedule_irq+0x74/0x188 kernel/sched/core.c:6936 hardirqs last disabled at (3136): [] __schedule+0x298/0x1e2c kernel/sched/core.c:6524 softirqs last enabled at (3126): [] spin_unlock_bh include/linux/spinlock.h:395 [inline] softirqs last enabled at (3126): [] release_sock+0x15c/0x1b0 net/core/sock.c:3500 softirqs last disabled at (3124): [] spin_lock_bh include/linux/spinlock.h:355 [inline] softirqs last disabled at (3124): [] release_sock+0x3c/0x1b0 net/core/sock.c:3487 ---[ end trace 0000000000000000 ]---