RBP: 00007fe074e881d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff51c7ff2f R14: 00007fe074e88300 R15: 0000000000022000 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: 702 Comm: syz-executor.4 Not tainted 4.19.202-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rlb_req_update_slave_clients+0x109/0x2f0 drivers/net/bonding/bond_alb.c:515 overlayfs: upper fs does not support tmpfile. Code: 0d 0c 21 fd 41 80 3e 00 0f 85 a5 01 00 00 89 d8 48 c1 e0 06 49 03 84 24 10 01 00 00 48 8d 78 30 49 89 c7 48 89 fa 48 c1 ea 03 <80> 3c 2a 00 0f 85 98 01 00 00 4d 39 6f 30 75 83 e8 d2 0b 21 fd 49 RSP: 0018:ffff8880273ae8c0 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000e56c000 RDX: 0000000000000006 RSI: ffffffff84417683 RDI: 0000000000000030 RBP: dffffc0000000000 R08: 0000000000000001 R09: 00000000ffffffff overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. R10: 0000000000000005 R11: 0000000000000000 R12: ffff88803b9b9180 R13: ffff888091126480 R14: ffffed1007737252 R15: 0000000000000000 FS: 00007fe074e88700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000014a53ad CR3: 0000000092c94000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: alb_fasten_mac_swap+0x731/0x8b0 drivers/net/bonding/bond_alb.c:1078 bond_alb_set_mac_address+0x411/0x770 drivers/net/bonding/bond_alb.c:1805 overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support xattr, falling back to index=off and metacopy=off. bond_set_mac_address+0x6aa/0x7c0 drivers/net/bonding/bond_main.c:3772 dev_set_mac_address+0x189/0x320 net/core/dev.c:7908 __set_port_dev_addr+0x106/0x160 drivers/net/team/team.c:62 team_port_set_orig_dev_addr drivers/net/team/team.c:67 [inline] team_port_add drivers/net/team/team.c:1319 [inline] team_add_slave+0xbe4/0x1fa0 drivers/net/team/team.c:1976 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2321 do_setlink+0x7ec/0x3540 net/core/rtnetlink.c:2455 rtnl_newlink+0xda9/0x15c0 net/core/rtnetlink.c:3077 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2457 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1911 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2225 __sys_sendmsg net/socket.c:2263 [inline] __do_sys_sendmsg net/socket.c:2272 [inline] __se_sys_sendmsg net/socket.c:2270 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2270 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe074e88188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000007 RBP: 00007fe074e881d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff51c7ff2f R14: 00007fe074e88300 R15: 0000000000022000 Modules linked in: ---[ end trace 97fa718211483023 ]--- RIP: 0010:rlb_req_update_slave_clients+0x109/0x2f0 drivers/net/bonding/bond_alb.c:515 Code: 0d 0c 21 fd 41 80 3e 00 0f 85 a5 01 00 00 89 d8 48 c1 e0 06 49 03 84 24 10 01 00 00 48 8d 78 30 49 89 c7 48 89 fa 48 c1 ea 03 <80> 3c 2a 00 0f 85 98 01 00 00 4d 39 6f 30 75 83 e8 d2 0b 21 fd 49 RSP: 0018:ffff8880273ae8c0 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000e56c000 RDX: 0000000000000006 RSI: ffffffff84417683 RDI: 0000000000000030 RBP: dffffc0000000000 R08: 0000000000000001 R09: 00000000ffffffff R10: 0000000000000005 R11: 0000000000000000 R12: ffff88803b9b9180 R13: ffff888091126480 R14: ffffed1007737252 R15: 0000000000000000 FS: 00007fe074e88700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000014a53ad CR3: 0000000092c94000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400