R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 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: 1 PID: 9070 Comm: syz-executor040 Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:qdisc_put+0x24/0x90 net/sched/sch_generic.c:983 Code: 84 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 a1 7e 7a fb 49 8d 5e 10 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 75 40 8b 1b 89 de 83 e6 01 31 ff e8 17 82 7a fb 83 RSP: 0018:ffff88809a3175b8 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88809a3175c8 R08: dffffc0000000000 R09: ffff88809a317598 R10: ffffed1013462eb7 R11: 0000000000000000 R12: 00000000fffffff4 R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555556f62880(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000610 CR3: 000000008c8cc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sfb_destroy+0x65/0x70 net/sched/sch_sfb.c:468 qdisc_create+0xff8/0x13e0 net/sched/sch_api.c:1302 tc_modify_qdisc+0x989/0x1ea0 net/sched/sch_api.c:1652 rtnetlink_rcv_msg+0x889/0xd40 net/core/rtnetlink.c:5223 netlink_rcv_skb+0x19e/0x3d0 net/netlink/af_netlink.c:2477 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5241 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x787/0x900 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x993/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x60d/0x910 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x17c/0x200 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4421d9 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 6b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffea236ebd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ffea236ec50 RCX: 00000000004421d9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 00005555bb1414ac R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 438cdddc30ceac1f ]--- RIP: 0010:qdisc_put+0x24/0x90 net/sched/sch_generic.c:983 Code: 84 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 a1 7e 7a fb 49 8d 5e 10 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 75 40 8b 1b 89 de 83 e6 01 31 ff e8 17 82 7a fb 83 RSP: 0018:ffff88809a3175b8 EFLAGS: 00010202 RAX: 0000000000000002 RBX: 0000000000000010 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88809a3175c8 R08: dffffc0000000000 R09: ffff88809a317598 R10: ffffed1013462eb7 R11: 0000000000000000 R12: 00000000fffffff4 R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555556f62880(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000610 CR3: 000000008c8cc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400