------------[ cut here ]------------
WARNING: CPU: 0 PID: 5462 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: 5462 Comm: syz.5.159 Not tainted 6.1.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/18/2025
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 : ffff800021a36ba0
x29: ffff800021a36ba0 x28: 0000000000000000 x27: ffff700004346d94
x26: ffff0000f5c52a00 x25: ffff0000f71eb000 x24: dfff800000000000
x23: 0000000000000003 x22: 0000000e76578948 x21: 0000000000000000
x20: 0000000000000000 x19: ffff800021a36c98 x18: ffff800011aabce0
x17: ffff8000181e7000 x16: ffff8000082d2374 x15: ffff800017cc7fc0
x14: ffff0000cf442658 x13: 1ffff00002a160b1 x12: 0000000000080000
x11: 0000000000005892 x10: ffff800032acd000 x9 : ffff80000ffde5b4
x8 : 0000000000005893 x7 : ffff8000083b9874 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: 379
hardirqs last  enabled at (378): [<ffff8000083b9468>] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline]
hardirqs last  enabled at (378): [<ffff8000083b9468>] timekeeping_get_delta kernel/time/timekeeping.c:254 [inline]
hardirqs last  enabled at (378): [<ffff8000083b9468>] timekeeping_get_ns+0x124/0x3b8 kernel/time/timekeeping.c:388
hardirqs last disabled at (379): [<ffff8000119455d8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (290): [<ffff80000fd2f634>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (372): [<ffff80000ffd6d58>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (372): [<ffff80000ffd6d58>] taprio_change+0x3500/0x4ca0 net/sched/sch_taprio.c:1636
---[ end trace 0000000000000000 ]---