------------[ cut here ]------------ lockdep bfs error:-1 WARNING: CPU: 0 PID: 12266 at kernel/locking/lockdep.c:2022 print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2022 Modules linked in: CPU: 0 PID: 12266 Comm: syz-executor.0 Not tainted 5.15.178-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2022 lr : print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2022 sp : ffff800020b76060 x29: ffff800020b76060 x28: 0000000000000007 x27: 00000000000003dd x26: ffff0000e8c2dcb0 x25: ffff8000182d2c28 x24: ffff8000174e2000 x23: 1fffe0001d185b96 x22: 000000000000001f x21: ffff8000182d2bb8 x20: 0000000000000001 x19: 00000000ffffffff x18: 0000000000000003 x17: 0000000000000000 x16: ffff800011b4e3fc x15: 00000000ffffffff x14: ffff0000e8c2d1c0 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000002 x10: 0000000000000000 x9 : 3209eb4f2efe8e00 x8 : 3209eb4f2efe8e00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800020b757d8 x4 : ffff800014c50660 x3 : ffff8000085568c0 x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000014 Call trace: print_bfs_bug+0x34/0x48 kernel/locking/lockdep.c:2022 check_irq_usage kernel/locking/lockdep.c:2747 [inline] check_prev_add kernel/locking/lockdep.c:3057 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain kernel/locking/lockdep.c:3788 [inline] __lock_acquire+0x5dac/0x7638 kernel/locking/lockdep.c:5012 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 do_write_seqcount_begin_nested include/linux/seqlock.h:519 [inline] do_write_seqcount_begin include/linux/seqlock.h:545 [inline] psi_group_change+0x280/0x1290 kernel/sched/psi.c:710 psi_task_switch+0x3dc/0x66c kernel/sched/psi.c:882 psi_sched_switch kernel/sched/stats.h:162 [inline] __schedule+0x16d0/0x1e48 kernel/sched/core.c:6368 preempt_schedule_irq+0x90/0x274 kernel/sched/core.c:6777 arm64_preempt_schedule_irq+0x174/0x2c4 arch/arm64/kernel/entry-common.c:260 el1_interrupt+0x40/0x58 arch/arm64/kernel/entry-common.c:463 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] lock_acquire+0x280/0x77c kernel/locking/lockdep.c:5626 fs_reclaim_acquire+0x11c/0x1d0 mm/page_alloc.c:4597 might_alloc include/linux/sched/mm.h:206 [inline] slab_pre_alloc_hook+0x38/0xe8 mm/slab.h:492 slab_alloc_node mm/slub.c:3134 [inline] kmem_cache_alloc_node+0x9c/0x49c mm/slub.c:3256 __alloc_skb+0x174/0x584 net/core/skbuff.c:415 alloc_skb include/linux/skbuff.h:1162 [inline] nlmsg_new include/net/netlink.h:953 [inline] genlmsg_new include/net/genetlink.h:411 [inline] __send_and_alloc_skb drivers/net/team/team.c:2448 [inline] team_nl_send_options_get+0x1b8/0x12a4 drivers/net/team/team.c:2471 team_nl_send_event_options_get drivers/net/team/team.c:2887 [inline] team_nl_cmd_options_set+0xa8c/0xe04 drivers/net/team/team.c:2691 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0xc18/0x1018 net/netlink/genetlink.c:792 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2489 genl_rcv+0x38/0x50 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x664/0x938 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x844/0xb38 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x584/0x870 net/socket.c:2436 ___sys_sendmsg+0x214/0x294 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __arm64_sys_sendmsg+0x1ac/0x25c net/socket.c:2526 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 2056 hardirqs last enabled at (2055): [] preempt_schedule_irq+0x84/0x274 kernel/sched/core.c:6776 hardirqs last disabled at (2056): [] __schedule+0x308/0x1e48 kernel/sched/core.c:6269 softirqs last enabled at (2054): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (2054): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (1991): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (1991): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (1991): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (1991): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 4cab7c1cff42d393 ]---