netlink: 16 bytes leftover after parsing attributes in process `syz.1.216'. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4991 at net/wireless/core.h:231 wdev_lock+0xd0/0xe8 net/wireless/core.h:231 Modules linked in: CPU: 0 PID: 4991 Comm: syz.1.216 Not tainted 6.1.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : wdev_lock+0xd0/0xe8 net/wireless/core.h:231 lr : wdev_lock+0xd0/0xe8 net/wireless/core.h:231 sp : ffff800022ae6cc0 x29: ffff800022ae6cc0 x28: 1fffe0001daf7193 x27: dfff800000000000 x26: 1fffe0001e6e6000 x25: ffff0000ed7b8c90 x24: 0000000000000000 x23: ffff0000ed7b8c98 x22: ffff70000455cdac x21: 00000000000007d0 x20: 0000000000000000 x19: ffff0000ed7b8c90 x18: ffff800022ae61a0 x17: 6020737365636f72 x16: ffff8000084fb1ec x15: ffff8000104e0fac x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000000040000 x11: 000000000000324b x10: ffff80002fc9b000 x9 : ffff800011a02b38 x8 : 000000000000324c x7 : 0000000000000000 x6 : 00000000000007d0 x5 : ffff0000cab88068 x4 : ffff800022ae6d94 x3 : ffff80000ac8b83c x2 : 0000000000000004 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: wdev_lock+0xd0/0xe8 net/wireless/core.h:231 nl80211_send_iface+0x6f4/0x1194 net/wireless/nl80211.c:3852 nl80211_dump_interface+0x38c/0x5cc net/wireless/nl80211.c:3985 netlink_dump+0x4a4/0xac8 net/netlink/af_netlink.c:2232 __netlink_dump_start+0x470/0x680 net/netlink/af_netlink.c:2334 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:714 [inline] genl_family_rcv_msg net/netlink/genetlink.c:830 [inline] genl_rcv_msg+0x7b4/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2507 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2514 ___sys_sendmsg net/socket.c:2568 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2597 __do_sys_sendmsg net/socket.c:2606 [inline] __se_sys_sendmsg net/socket.c:2604 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2604 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 630 hardirqs last enabled at (629): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (630): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (586): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (580): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4991 at net/wireless/core.h:239 wdev_unlock+0xcc/0xe4 net/wireless/core.h:239 Modules linked in: CPU: 0 PID: 4991 Comm: syz.1.216 Tainted: G W 6.1.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : wdev_unlock+0xcc/0xe4 net/wireless/core.h:239 lr : wdev_unlock+0xcc/0xe4 net/wireless/core.h:239 sp : ffff800022ae6cc0 x29: ffff800022ae6cc0 x28: 1fffe0001daf7193 x27: dfff800000000000 x26: 1fffe0001e6e6000 x25: ffff0000ed7b8c90 x24: 0000000000000000 x23: 0000000000000006 x22: ffff70000455cdac x21: 00000000000007d0 x20: 0000000000000000 x19: ffff0000ed7b8c90 x18: ffff800022ae67e0 x17: ffff800018aa4000 x16: ffff8000084fb1ec x15: 0000000000000002 x14: 0000000000000009 x13: ffff0000cc8b0000 x12: 0000000000040000 x11: 00000000000296f4 x10: ffff80002fc9b000 x9 : ffff800011a034b0 x8 : 00000000000296f5 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000082fbc8c x2 : ffff0000cc8b0000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: wdev_unlock+0xcc/0xe4 net/wireless/core.h:239 nl80211_send_iface+0x954/0x1194 net/wireless/nl80211.c:3878 nl80211_dump_interface+0x38c/0x5cc net/wireless/nl80211.c:3985 netlink_dump+0x4a4/0xac8 net/netlink/af_netlink.c:2232 __netlink_dump_start+0x470/0x680 net/netlink/af_netlink.c:2334 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:714 [inline] genl_family_rcv_msg net/netlink/genetlink.c:830 [inline] genl_rcv_msg+0x7b4/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2507 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2514 ___sys_sendmsg net/socket.c:2568 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2597 __do_sys_sendmsg net/socket.c:2606 [inline] __se_sys_sendmsg net/socket.c:2604 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2604 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1126 hardirqs last enabled at (1125): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (1125): [] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (1126): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1120): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (1120): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (633): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4991 at net/wireless/core.h:231 wdev_lock+0xd0/0xe8 net/wireless/core.h:231 Modules linked in: CPU: 1 PID: 4991 Comm: syz.1.216 Tainted: G W 6.1.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : wdev_lock+0xd0/0xe8 net/wireless/core.h:231 lr : wdev_lock+0xd0/0xe8 net/wireless/core.h:231 sp : ffff800022ae6cc0 x29: ffff800022ae6cc0 x28: 1fffe0001a8ed193 x27: dfff800000000000 x26: 1fffe0001e009000 x25: ffff0000d4768c90 x24: 0000000000000000 x23: ffff0000d4768c98 x22: ffff70000455cdac x21: 00000000000007d0 x20: 0000000000000000 x19: ffff0000d4768c90 x18: ffff800022ae67e0 x17: ffff800018aa4000 x16: ffff8000084fb1ec x15: 0000000000000002 x14: 0000000000000002 x13: ffff0000cc8b0000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80002fc9b000 x9 : ffff800011a02b38 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 00000000000007d0 x5 : ffff0000cab880f8 x4 : ffff800022ae6d94 x3 : ffff80000ac8b83c x2 : 0000000000000004 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: wdev_lock+0xd0/0xe8 net/wireless/core.h:231 nl80211_send_iface+0x6f4/0x1194 net/wireless/nl80211.c:3852 nl80211_dump_interface+0x38c/0x5cc net/wireless/nl80211.c:3985 netlink_dump+0x4a4/0xac8 net/netlink/af_netlink.c:2232 __netlink_dump_start+0x470/0x680 net/netlink/af_netlink.c:2334 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:714 [inline] genl_family_rcv_msg net/netlink/genetlink.c:830 [inline] genl_rcv_msg+0x7b4/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2507 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2514 ___sys_sendmsg net/socket.c:2568 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2597 __do_sys_sendmsg net/socket.c:2606 [inline] __se_sys_sendmsg net/socket.c:2604 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2604 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1354 hardirqs last enabled at (1353): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (1353): [] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (1354): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1346): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (1346): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (1129): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4991 at net/wireless/core.h:239 wdev_unlock+0xcc/0xe4 net/wireless/core.h:239 Modules linked in: CPU: 1 PID: 4991 Comm: syz.1.216 Tainted: G W 6.1.111-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : wdev_unlock+0xcc/0xe4 net/wireless/core.h:239 lr : wdev_unlock+0xcc/0xe4 net/wireless/core.h:239 sp : ffff800022ae6cc0 x29: ffff800022ae6cc0 x28: 1fffe0001a8ed193 x27: dfff800000000000 x26: 1fffe0001e009000 x25: ffff0000d4768c90 x24: 0000000000000000 x23: 0000000000000000 x22: ffff70000455cdac x21: 00000000000007d0 x20: 0000000000000000 x19: ffff0000d4768c90 x18: ffff800022ae67e0 x17: ffff800018aa4000 x16: ffff8000084fb1ec x15: 0000000000000002 x14: 0000000000000009 x13: ffff0000cc8b0000 x12: 0000000000040000 x11: 000000000003ffff x10: ffff80002fc9b000 x9 : ffff800011a034b0 x8 : 0000000000040000 x7 : 0000000000000000 x6 : 0000000010101010 x5 : ffff0000cab88102 x4 : ffff0000d47691ca x3 : ffff80000ac8b83c x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: wdev_unlock+0xcc/0xe4 net/wireless/core.h:239 nl80211_send_iface+0x954/0x1194 net/wireless/nl80211.c:3878 nl80211_dump_interface+0x38c/0x5cc net/wireless/nl80211.c:3985 netlink_dump+0x4a4/0xac8 net/netlink/af_netlink.c:2232 __netlink_dump_start+0x470/0x680 net/netlink/af_netlink.c:2334 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:714 [inline] genl_family_rcv_msg net/netlink/genetlink.c:830 [inline] genl_rcv_msg+0x7b4/0xc2c net/netlink/genetlink.c:850 netlink_rcv_skb+0x20c/0x3b8 net/netlink/af_netlink.c:2507 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x834/0xb18 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x55c/0x848 net/socket.c:2514 ___sys_sendmsg net/socket.c:2568 [inline] __sys_sendmsg+0x26c/0x33c net/socket.c:2597 __do_sys_sendmsg net/socket.c:2606 [inline] __se_sys_sendmsg net/socket.c:2604 [inline] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2604 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 1438 hardirqs last enabled at (1437): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (1437): [] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (1438): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1426): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (1426): [] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599 softirqs last disabled at (1357): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]---