------------[ cut here ]------------ WARNING: CPU: 0 PID: 6411 at net/sched/sch_taprio.c:1020 taprio_get_start_time+0x154/0x180 Modules linked in: CPU: 0 PID: 6411 Comm: syz.5.796 Tainted: G W 6.1.121-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 : ffff800021826aa0 x29: ffff800021826aa0 x28: ffff0000d8639000 x27: dfff800000000000 x26: ffff0000cd8fe700 x25: ffff0000d86390f0 x24: dfff800000000000 x23: 0000000000000000 x22: 00000016b8ed9c10 x21: 0000000000000000 x20: 0000000000000000 x19: ffff800021826dc0 x18: ffff800021826760 x17: ffff800018b7b000 x16: ffff8000084f417c x15: ffff80001865bf80 x14: 1ffff00002b520b2 x13: dfff800000000000 x12: 0000000000080000 x11: 0000000000005e04 x10: ffff80002266c000 x9 : ffff8000108deaa0 x8 : 0000000000005e05 x7 : ffff8000108de9f8 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: 425 hardirqs last enabled at (424): [] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline] hardirqs last enabled at (424): [] ktime_mono_to_any+0x14c/0x22c kernel/time/timekeeping.c:932 hardirqs last disabled at (425): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (300): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (416): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (416): [] taprio_change+0x2b98/0x39d0 net/sched/sch_taprio.c:1636 ---[ end trace 0000000000000000 ]---