netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 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: 0 PID: 6862 at net/sched/sch_taprio.c:998 taprio_get_start_time net/sched/sch_taprio.c:998 [inline] WARNING: CPU: 0 PID: 6862 at net/sched/sch_taprio.c:998 taprio_change+0x1ed0/0x2d40 net/sched/sch_taprio.c:1549 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6862 Comm: syz-executor088 Not tainted 5.9.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x198/0x1fd lib/dump_stack.c:118 panic+0x382/0x7fb kernel/panic.c:231 __warn.cold+0x20/0x4b kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:taprio_get_start_time net/sched/sch_taprio.c:998 [inline] RIP: 0010:taprio_change+0x1ed0/0x2d40 net/sched/sch_taprio.c:1549 Code: 8b 44 24 18 41 bf ea ff ff ff 48 c7 00 c0 5e 49 89 e8 94 2a d9 fa 48 8b 7c 24 08 e8 6a d2 8b 01 e9 0a eb ff ff e8 80 2a d9 fa <0f> 0b 48 83 7c 24 18 00 74 2e e8 71 2a d9 fa 48 8b 54 24 18 48 b8 RSP: 0018:ffffc900055e72b8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff869d0f60 RDX: ffff8880a8db22c0 RSI: ffffffff869d1410 RDI: 0000000000000007 RBP: 1638fa92c8fe343d R08: 0000000000000001 R09: ffffffff8d0c0aaf R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 taprio_init+0x52e/0x670 net/sched/sch_taprio.c:1693 qdisc_create+0x4b6/0x12e0 net/sched/sch_api.c:1246 tc_modify_qdisc+0x4c8/0x1990 net/sched/sch_api.c:1662 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5563 netlink_rcv_skb+0x15a/0x430 net/netlink/af_netlink.c:2470 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x4439a9 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 db 0d fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe675fa408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004439a9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 00007ffe675fa410 R08: 0000000001bbbbbb R09: 0000000001bbbbbb R10: 0000000001bbbbbb R11: 0000000000000246 R12: 00007ffe675fa420 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..