------------[ cut here ]------------ WARNING: CPU: 0 PID: 6791 at net/sched/sch_taprio.c:1020 taprio_get_start_time+0x162/0x190 Modules linked in: CPU: 0 PID: 6791 Comm: syz.4.564 Not tainted 6.1.119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:taprio_get_start_time+0x162/0x190 net/sched/sch_taprio.c:1020 Code: 03 42 80 3c 30 00 74 08 48 89 ef e8 18 62 07 f9 48 89 5d 00 31 c0 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 5e d8 af f8 <0f> 0b b8 f2 ff ff ff eb e3 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 0b RSP: 0018:ffffc9000402edc0 EFLAGS: 00010283 RAX: ffffffff88dac392 RBX: 0000000000000003 RCX: 0000000000080000 RDX: ffffc90010ca1000 RSI: 00000000000016e4 RDI: 00000000000016e5 RBP: ffff88805a1dc2d4 R08: ffffffff88dac33f R09: fffffbfff224987e R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000004de8e8d0ea R14: dffffc0000000000 R15: 0000000000000000 FS: 00007f18a8cf46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c32533f CR3: 0000000020717000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: taprio_change+0x4319/0x5600 net/sched/sch_taprio.c:1655 qdisc_create+0x8a1/0x1220 net/sched/sch_api.c:1319 tc_modify_qdisc+0xa0a/0x1d70 net/sched/sch_api.c:1756 rtnetlink_rcv_msg+0x818/0xff0 net/core/rtnetlink.c:6150 netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2493 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1337 netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1859 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2519 ___sys_sendmsg net/socket.c:2573 [inline] __sys_sendmsg+0x2a9/0x390 net/socket.c:2602 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f18a7f7ff19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f18a8cf4058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f18a8146160 RCX: 00007f18a7f7ff19 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 000000000000000c RBP: 00007f18a7ff3986 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f18a8146160 R15: 00007ffc48adde48