------------[ cut here ]------------ WARNING: CPU: 1 PID: 8272 at net/sched/sch_taprio.c:1020 taprio_get_start_time+0x154/0x180 net/sched/sch_taprio.c:-1 Modules linked in: CPU: 1 PID: 8272 Comm: syz.5.1226 Not tainted 6.1.134-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : taprio_get_start_time+0x154/0x180 net/sched/sch_taprio.c:-1 lr : taprio_get_start_time+0x150/0x180 net/sched/sch_taprio.c:1020 sp : ffff800021176aa0 x29: ffff800021176aa0 x28: ffff0000c3d3a000 x27: dfff800000000000 x26: ffff0000d181a900 x25: ffff0000c3d3a0f0 x24: dfff800000000000 x23: 0000000000000003 x22: 00000047b062a4d8 x21: 0000000000000000 x20: 0000000000000000 x19: ffff800021176dc0 x18: ffff800021176760 x17: ffff800018c59000 x16: ffff8000084f3ce0 x15: ffff800018739f80 x14: 1ffff00002b600b2 x13: dfff800000000000 x12: 0000000000080000 x11: 0000000000005daf x10: ffff800021c69000 x9 : ffff8000108e2004 x8 : 0000000000005db0 x7 : ffff8000083fe190 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : 0000000000000000 x0 : 00000000fffffff2 Call trace: taprio_get_start_time+0x154/0x180 net/sched/sch_taprio.c:-1 taprio_change+0x2d20/0x39d0 net/sched/sch_taprio.c:1655 taprio_init+0x4a8/0x530 net/sched/sch_taprio.c:1822 qdisc_create+0x70c/0xe6c net/sched/sch_api.c:1319 tc_modify_qdisc+0x990/0x1924 net/sched/sch_api.c:-1 rtnetlink_rcv_msg+0x734/0xd9c net/core/rtnetlink.c:6153 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6171 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337 netlink_sendmsg+0x844/0xb28 net/netlink/af_netlink.c:1859 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x8c4 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x26c/0x33c 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+0x58/0x168 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: 415 hardirqs last enabled at (414): [] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline] hardirqs last enabled at (414): [] timekeeping_get_delta kernel/time/timekeeping.c:254 [inline] hardirqs last enabled at (414): [] timekeeping_get_ns+0x124/0x3b8 kernel/time/timekeeping.c:388 hardirqs last disabled at (415): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (304): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (408): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (408): [] taprio_change+0x2b98/0x39d0 net/sched/sch_taprio.c:1636 ---[ end trace 0000000000000000 ]---