IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Failed check-sdata-in-driver check, flags: 0x4 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 10762 at net/mac80211/driver-ops.h:18 check_sdata_in_driver net/mac80211/driver-ops.h:16 [inline] WARNING: CPU: 0 PID: 10762 at net/mac80211/driver-ops.h:18 drv_remove_interface.cold.1+0x38/0x4f net/mac80211/driver-ops.c:100 Modules linked in: CPU: 0 PID: 10762 Comm: syz-executor.5 Not tainted 4.14.227-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8881d71dc3c0 task.stack: ffff8881c5fb0000 RIP: 0010:check_sdata_in_driver net/mac80211/driver-ops.h:16 [inline] RIP: 0010:drv_remove_interface.cold.1+0x38/0x4f net/mac80211/driver-ops.c:100 RSP: 0018:ffff8881c5fb7820 EFLAGS: 00010282 RAX: 0000000000000036 RBX: ffff8881f2f40bc0 RCX: 0000000000000000 RDX: 0000000000000036 RSI: ffffffff878b9120 RDI: ffffed1038bf6efb RBP: ffff8881c5fb7850 R08: ffff8881d71dcc68 R09: 0000000000000000 R10: 0000000000000000 R11: dffffc0000000000 R12: 0000000000000004 R13: ffff8881d15f9c20 R14: ffff8881f2f410f0 R15: ffff8881d15f9c20 FS: 00007faaffa31700(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000960004 CR3: 00000001ed8d1005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_do_stop+0xf75/0x1dd0 net/mac80211/iface.c:1069 ieee80211_stop+0x15/0x20 net/mac80211/iface.c:1096 __dev_close_many+0x179/0x240 net/core/dev.c:1450 __dev_close net/core/dev.c:1462 [inline] __dev_change_flags+0x200/0x550 net/core/dev.c:6792 dev_change_flags+0x7b/0x150 net/core/dev.c:6860 devinet_ioctl+0xd43/0x1220 net/ipv4/devinet.c:1089 inet_ioctl+0xaf/0x180 net/ipv4/af_inet.c:900 packet_ioctl+0xdc/0x270 net/packet/af_packet.c:4187 sock_do_ioctl+0x62/0xa0 net/socket.c:974 sock_ioctl+0x251/0x430 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x180/0xfb0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x74/0x80 fs/ioctl.c:692 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x465889 RSP: 002b:00007faaffa31188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465889 RDX: 0000000020001000 RSI: 0000000000008914 RDI: 0000000000000003 RBP: 00000000004af68d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffe6db6f8ef R14: 00007faaffa31300 R15: 0000000000022000 Code: 89 fa 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 22 48 8b b3 20 05 00 00 48 85 f6 74 1d 44 89 e2 48 c7 c7 80 d5 69 88 e8 70 e8 e3 ff <0f> 0b e9 f2 77 91 ff e8 c0 cb 4d fa eb d7 48 8d b3 40 05 00 00 ---[ end trace 45b4424fc8c28c5b ]--- IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Failed check-sdata-in-driver check, flags: 0x4 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 10853 at net/mac80211/driver-ops.h:18 check_sdata_in_driver net/mac80211/driver-ops.h:16 [inline] WARNING: CPU: 1 PID: 10853 at net/mac80211/driver-ops.h:18 drv_remove_interface.cold.1+0x38/0x4f net/mac80211/driver-ops.c:100 Modules linked in: CPU: 1 PID: 10853 Comm: syz-executor.3 Tainted: G W 4.14.227-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8881d9bc2500 task.stack: ffff8881c5018000 RIP: 0010:check_sdata_in_driver net/mac80211/driver-ops.h:16 [inline] RIP: 0010:drv_remove_interface.cold.1+0x38/0x4f net/mac80211/driver-ops.c:100 RSP: 0018:ffff8881c501f820 EFLAGS: 00010282 RAX: 0000000000000036 RBX: ffff8881e5160b80 RCX: 0000000000000000 RDX: 0000000000000036 RSI: ffffffff87cc6d00 RDI: ffffed1038a03efb RBP: ffff8881c501f850 R08: ffff8881d9bc2da8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 R13: ffff8881f3ee9ca0 R14: ffff8881e51610b0 R15: ffff8881f3ee9ca0 FS: 00007f4d2a4c3700(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000515150 CR3: 00000001ed8d1003 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_do_stop+0xf75/0x1dd0 net/mac80211/iface.c:1069 ieee80211_stop+0x15/0x20 net/mac80211/iface.c:1096 __dev_close_many+0x179/0x240 net/core/dev.c:1450 __dev_close net/core/dev.c:1462 [inline] __dev_change_flags+0x200/0x550 net/core/dev.c:6792 dev_change_flags+0x7b/0x150 net/core/dev.c:6860 devinet_ioctl+0xd43/0x1220 net/ipv4/devinet.c:1089 inet_ioctl+0xaf/0x180 net/ipv4/af_inet.c:900 packet_ioctl+0xdc/0x270 net/packet/af_packet.c:4187 sock_do_ioctl+0x62/0xa0 net/socket.c:974 sock_ioctl+0x251/0x430 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x180/0xfb0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x74/0x80 fs/ioctl.c:692 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x465889 RSP: 002b:00007f4d2a4c3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465889 RDX: 0000000020001000 RSI: 0000000000008914 RDI: 0000000000000003 RBP: 00000000004af68d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fffadc2393f R14: 00007f4d2a4c3300 R15: 0000000000022000 Code: 89 fa 48 c1 e0 2a 48 c1 ea 03 80 3c 02 00 75 22 48 8b b3 20 05 00 00 48 85 f6 74 1d 44 89 e2 48 c7 c7 80 d5 69 88 e8 70 e8 e3 ff <0f> 0b e9 f2 77 91 ff e8 c0 cb 4d fa eb d7 48 8d b3 40 05 00 00 ---[ end trace 45b4424fc8c28c5c ]---