syzbot

netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4289 at net/sched/sch_taprio.c:1020 taprio_get_start_time+0x154/0x180
Modules linked in:
CPU: 1 PID: 4289 Comm: syz-executor332 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : taprio_get_start_time+0x154/0x180
lr : taprio_get_start_time+0x150/0x180 net/sched/sch_taprio.c:1020
sp : ffff800020fb6aa0
x29: ffff800020fb6aa0 x28: ffff0000d2496000 x27: dfff800000000000
x26: ffff0000da58a000 x25: ffff0000d24960f0 x24: dfff800000000000
x23: 0000000000000000 x22: 00000008f093ebc8 x21: 0000000000000000
x20: 0000000000000000 x19: ffff800020fb6dc0 x18: ffff800020fb6760
x17: ffff800018aab000 x16: ffff8000084f280c x15: ffff80001858bf80
x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff80001084a17c
x8 : ffff0000d814d340 x7 : ffff80001084a0d4 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000002 x1 : 0000000000000000 x0 : 00000000fffffff2
Call trace:
 taprio_get_start_time+0x154/0x180
 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+0xa14/0x186c
 rtnetlink_rcv_msg+0x72c/0xd94 net/core/rtnetlink.c:6150
 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2493
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6168
 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
 netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1337
 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1859
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x55c/0x848 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: 135889
hardirqs last  enabled at (135888): [<ffff8000083fdef8>] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline]
hardirqs last  enabled at (135888): [<ffff8000083fdef8>] ktime_mono_to_any+0x14c/0x22c kernel/time/timekeeping.c:932
hardirqs last disabled at (135889): [<ffff8000122932ac>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (135800): [<ffff8000105735ac>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (135880): [<ffff800010842e80>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (135880): [<ffff800010842e80>] taprio_change+0x2b98/0x39d0 net/sched/sch_taprio.c:1636
---[ end trace 0000000000000000 ]---