------------[ cut here ]------------ WARNING: CPU: 1 PID: 6689 at net/sched/sch_taprio.c:1020 taprio_get_start_time+0x154/0x180 Modules linked in: CPU: 1 PID: 6689 Comm: syz.1.755 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 : ffff800021af6aa0 x29: ffff800021af6aa0 x28: ffff0000cdd02000 x27: dfff800000000000 x26: ffff0000f760ac00 x25: ffff0000cdd020f0 x24: dfff800000000000 x23: 0000000000000003 x22: 000000263da79668 x21: 0000000000000000 x20: 0000000000000000 x19: ffff800021af6dc0 x18: ffff800021af6760 x17: ffff800018b6a000 x16: ffff8000084f280c x15: ffff80001864af80 x14: 1ffff00002b500b2 x13: dfff800000000000 x12: 0000000000080000 x11: 0000000000004bd3 x10: ffff800023209000 x9 : ffff8000108d6bc4 x8 : 0000000000004bd4 x7 : ffff8000083fd608 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: 383 hardirqs last enabled at (382): [] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline] hardirqs last enabled at (382): [] timekeeping_get_delta kernel/time/timekeeping.c:254 [inline] hardirqs last enabled at (382): [] timekeeping_get_ns+0x124/0x3b8 kernel/time/timekeeping.c:388 hardirqs last disabled at (383): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (310): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (378): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (378): [] taprio_change+0x2b98/0x39d0 net/sched/sch_taprio.c:1636 ---[ end trace 0000000000000000 ]---