------------[ cut here ]------------ WARNING: CPU: 0 PID: 10196 at net/sched/sch_taprio.c:1020 taprio_get_start_time+0x13c/0x16c net/sched/sch_taprio.c:1020 Modules linked in: CPU: 0 PID: 10196 Comm: syz.1.2011 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : taprio_get_start_time+0x13c/0x16c net/sched/sch_taprio.c:1020 lr : taprio_get_start_time+0x13c/0x16c net/sched/sch_taprio.c:1020 sp : ffff800020ed6ba0 x29: ffff800020ed6ba0 x28: 0000000000000000 x27: ffff7000041dad94 x26: ffff0000cdd8cf00 x25: ffff0000f5b60000 x24: dfff800000000000 x23: 0000000000000001 x22: 00000047b603a65d x21: 0000000000000000 x20: 0000000000000000 x19: ffff800020ed6c98 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d22d4 x15: ffff800017cd9fc0 x14: ffff0000f9e78a98 x13: 1ffff00002a180b1 x12: 0000000000080000 x11: 0000000000005386 x10: ffff80002248a000 x9 : ffff80000ffedd08 x8 : 0000000000005387 x7 : ffff80000ffedc60 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: taprio_get_start_time+0x13c/0x16c net/sched/sch_taprio.c:1020 taprio_change+0x3670/0x4ca0 net/sched/sch_taprio.c:1655 taprio_init+0x498/0x520 net/sched/sch_taprio.c:1822 qdisc_create+0x6f0/0xe20 net/sched/sch_api.c:1315 tc_modify_qdisc+0x950/0x178c net/sched/sch_api.c:-1 rtnetlink_rcv_msg+0x734/0xce4 net/core/rtnetlink.c:6153 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2511 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6171 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x60c/0x824 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x6e8/0x9b0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5b8/0x918 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x25c/0x320 net/socket.c:2602 __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg net/socket.c:2609 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2609 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 305 hardirqs last enabled at (304): [] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline] hardirqs last enabled at (304): [] ktime_mono_to_any+0x14c/0x22c kernel/time/timekeeping.c:932 hardirqs last disabled at (305): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (232): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (296): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (296): [] taprio_change+0x3500/0x4ca0 net/sched/sch_taprio.c:1636 ---[ end trace 0000000000000000 ]---