netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. ------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 1 PID: 14859 at net/mac80211/driver-ops.h:172 drv_bss_info_changed+0x554/0x5f0 net/mac80211/driver-ops.h:172 Modules linked in: CPU: 1 PID: 14859 Comm: syz-executor.0 Not tainted 5.10.178 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:drv_bss_info_changed+0x554/0x5f0 net/mac80211/driver-ops.h:172 Code: 49 8b ac 24 a8 03 00 00 48 85 ed 74 3e e8 d4 1c 8f fd e8 cf 1c 8f fd 8b 54 24 04 48 89 ee 48 c7 c7 20 1f 95 84 e8 d9 f9 24 00 <0f> 0b e9 c7 fd ff ff 4c 89 ff e8 5d cb ba fd e9 97 fb ff ff 4c 89 RSP: 0018:ffff888047a1f508 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff81299e33 RDI: ffffed1008f43e93 RBP: ffff888045a3c000 R08: 0000000000000001 R09: ffff88806cf27fdb R10: 0000000000000000 R11: 0000000000000001 R12: ffff888045a3cbc0 R13: 0000000002000000 R14: ffff888045a3dda0 R15: ffff888045a3dd98 FS: 00007f1af7de6700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d224000 CR3: 0000000046490000 CR4: 0000000000350ee0 Call Trace: ieee80211_bss_info_change_notify+0x9a/0xc0 net/mac80211/main.c:210 ieee80211_set_mcast_rate+0x37/0x50 net/mac80211/cfg.c:2564 rdev_set_mcast_rate net/wireless/rdev-ops.h:1212 [inline] nl80211_set_mcast_rate+0x30b/0x650 net/wireless/nl80211.c:10215 genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x33c/0x5a0 net/netlink/genetlink.c:800 netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2525 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x549/0x7f0 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x90f/0xdf0 net/netlink/af_netlink.c:1944 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0x154/0x190 net/socket.c:671 ____sys_sendmsg+0x70d/0x870 net/socket.c:2356 ___sys_sendmsg+0xf3/0x170 net/socket.c:2410 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2439 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f1afa870b19 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:00007f1af7de6188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 RAX: ffffffffffffffda RBX: 00007f1afa983f60 RCX: 00007f1afa870b19 RDX: 0000000000000000 RSI: 0000000020000f00 RDI: 0000000000000007 RBP: 00007f1afa8caf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5ef633ff R14: 00007f1af7de6300 R15: 0000000000022000 irq event stamp: 2005 hardirqs last enabled at (2011): [] console_trylock_spinning kernel/printk/printk.c:1849 [inline] hardirqs last enabled at (2011): [] vprintk_emit+0x486/0x4d0 kernel/printk/printk.c:2053 hardirqs last disabled at (2016): [] console_trylock_spinning kernel/printk/printk.c:1828 [inline] hardirqs last disabled at (2016): [] vprintk_emit+0x418/0x4d0 kernel/printk/printk.c:2053 softirqs last enabled at (1940): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1935): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace a2600932c723d982 ]--- CPU: 0 PID: 14865 Comm: syz-executor.5 Not tainted 5.10.178 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4496 __kmalloc_reserve net/core/skbuff.c:142 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:210 alloc_skb include/linux/skbuff.h:1101 [inline] alloc_skb_with_frags+0x92/0x570 net/core/skbuff.c:5891 sock_alloc_send_pskb+0x7af/0x930 net/core/sock.c:2348 __ip6_append_data.isra.0+0x1c12/0x3a70 net/ipv6/ip6_output.c:1661 ip6_make_skb+0x2de/0x4e0 net/ipv6/ip6_output.c:2028 udpv6_sendmsg+0x20d0/0x2af0 net/ipv6/udp.c:1528 inet6_sendmsg+0x105/0x140 net/ipv6/af_inet6.c:638 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xf2/0x190 net/socket.c:671 ____sys_sendmsg+0x334/0x870 net/socket.c:2356 ___sys_sendmsg+0xf3/0x170 net/socket.c:2410 __sys_sendmmsg+0x195/0x470 net/socket.c:2496 __do_sys_sendmmsg net/socket.c:2525 [inline] __se_sys_sendmmsg net/socket.c:2522 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2522 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fba2f88eb19 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:00007fba2ce04188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fba2f9a1f60 RCX: 00007fba2f88eb19 RDX: 0400000000000070 RSI: 0000000020004d00 RDI: 0000000000000003 RBP: 00007fba2ce041d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fff5c0ef01f R14: 00007fba2ce04300 R15: 0000000000022000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.