IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 netlink: 24 bytes leftover after parsing attributes in process `syz-executor069'. kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8655 Comm: syz-executor069 Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid+0x85/0xf5 lib/list_debug.c:51 Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d RSP: 0018:ffff88809f86f450 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888096a7f240 RCX: ffffffff8159b2aa RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888096a7f5a8 RBP: ffff88809f86f468 R08: 0000000000000004 R09: ffffed1013f0de7d R10: ffffed1013f0de7c R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888096a7f5a0 R15: ffff888096a7f500 FS: 00005555558bb880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000610 CR3: 000000008f1f0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:131 [inline] list_del include/linux/list.h:139 [inline] cbs_destroy+0x7d/0x2a0 net/sched/sch_cbs.c:435 qdisc_create+0xbc6/0x1210 net/sched/sch_api.c:1285 tc_modify_qdisc+0x524/0x1c50 net/sched/sch_api.c:1652 rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:5223 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5241 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:657 ___sys_sendmsg+0x803/0x920 net/socket.c:2311 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356 __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441b59 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 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffbfdb5b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441b59 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 RBP: 00007fffbfdb5b50 R08: 0000000001bbbbbb R09: 0000000001bbbbbb R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 R13: 00000000004030f0 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace c6496c2cc62c5dfe ]--- RIP: 0010:__list_del_entry_valid+0x85/0xf5 lib/list_debug.c:51 Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d RSP: 0018:ffff88809f86f450 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888096a7f240 RCX: ffffffff8159b2aa RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888096a7f5a8 RBP: ffff88809f86f468 R08: 0000000000000004 R09: ffffed1013f0de7d R10: ffffed1013f0de7c R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888096a7f5a0 R15: ffff888096a7f500 FS: 00005555558bb880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000610 CR3: 000000008f1f0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400