validate_nla: 5 callbacks suppressed netlink: 'syz-executor.2': attribute type 10 has an invalid length. general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 27730 Comm: syz-executor.2 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:283 [inline] RIP: 0010:hrtimer_active+0x80/0x240 kernel/time/hrtimer.c:1614 Code: 8b 44 24 08 80 38 00 0f 85 bf 01 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 04 24 48 8b 68 30 4c 8d 75 10 4c 89 f0 48 c1 e8 03 <0f> b6 14 08 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 7c RSP: 0018:ffffc900060aeaf0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff888023b9c120 RCX: dffffc0000000000 RDX: 0000000000040000 RSI: ffffffff81771ea5 RDI: ffff888023b9c120 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff92000c15d75 R14: 0000000000000010 R15: ffffc900060aebc8 FS: 0000000000000000(0000) GS:ffff88802c700000(0063) knlGS:00000000f7f0fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000031623000 CR3: 0000000000440000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hrtimer_try_to_cancel+0x25/0x4b0 kernel/time/hrtimer.c:1331 hrtimer_cancel+0x16/0x40 kernel/time/hrtimer.c:1446 napi_disable+0x13a/0x1e0 net/core/dev.c:6457 veth_napi_del_range+0xc3/0x640 drivers/net/veth.c:1116 veth_napi_del drivers/net/veth.c:1136 [inline] veth_set_features+0x195/0x2d0 drivers/net/veth.c:1600 __netdev_update_features+0x7ea/0x1910 net/core/dev.c:9827 netdev_update_features net/core/dev.c:9901 [inline] dev_disable_lro+0x90/0x3e0 net/core/dev.c:1601 team_port_add drivers/net/team/team.c:1235 [inline] team_add_slave+0x1698/0x2130 drivers/net/team/team.c:1973 do_set_master+0x1c1/0x220 net/core/rtnetlink.c:2710 do_setlink+0xa0c/0x3fa0 net/core/rtnetlink.c:2909 rtnl_setlink+0x28d/0x3e0 net/core/rtnetlink.c:3212 rtnetlink_rcv_msg+0x3c7/0xe00 net/core/rtnetlink.c:6558 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x53b/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xd5/0x180 net/socket.c:745 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2588 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2642 __sys_sendmsg+0x117/0x1e0 net/socket.c:2671 do_syscall_32_irqs_on arch/x86/entry/common.c:164 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:230 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:255 entry_SYSENTER_compat_after_hwframe+0x70/0x7a RIP: 0023:0xf7f14579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f0f5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000040 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:283 [inline] RIP: 0010:hrtimer_active+0x80/0x240 kernel/time/hrtimer.c:1614 Code: 8b 44 24 08 80 38 00 0f 85 bf 01 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 04 24 48 8b 68 30 4c 8d 75 10 4c 89 f0 48 c1 e8 03 <0f> b6 14 08 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 7c RSP: 0018:ffffc900060aeaf0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff888023b9c120 RCX: dffffc0000000000 RDX: 0000000000040000 RSI: ffffffff81771ea5 RDI: ffff888023b9c120 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff92000c15d75 R14: 0000000000000010 R15: ffffc900060aebc8 FS: 0000000000000000(0000) GS:ffff88802c600000(0063) knlGS:00000000f7f0fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7ea5ea0 CR3: 0000000000440000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 8b 44 24 08 mov 0x8(%rsp),%eax 4: 80 38 00 cmpb $0x0,(%rax) 7: 0f 85 bf 01 00 00 jne 0x1cc d: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 14: fc ff df 17: 48 8b 04 24 mov (%rsp),%rax 1b: 48 8b 68 30 mov 0x30(%rax),%rbp 1f: 4c 8d 75 10 lea 0x10(%rbp),%r14 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 0f b6 14 08 movzbl (%rax,%rcx,1),%edx <-- trapping instruction 2e: 4c 89 f0 mov %r14,%rax 31: 83 e0 07 and $0x7,%eax 34: 83 c0 03 add $0x3,%eax 37: 38 d0 cmp %dl,%al 39: 7c 08 jl 0x43 3b: 84 d2 test %dl,%dl 3d: 0f .byte 0xf 3e: 85 .byte 0x85 3f: 7c .byte 0x7c