netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. loop0: detected capacity change from 0 to 41948160 ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 1 PID: 9383 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: 9383 Comm: syz-executor.6 Not tainted 5.10.236 #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 24 83 8b fd e8 1f 83 8b fd 8b 54 24 04 48 89 ee 48 c7 c7 a0 de 95 84 e8 05 ff 24 00 <0f> 0b e9 c7 fd ff ff 4c 89 ff e8 5d 87 b7 fd e9 97 fb ff ff 4c 89 RSP: 0018:ffff88804eeb75d0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8129ea03 RDI: ffffed1009dd6eac RBP: ffff888039808000 R08: 0000000000000001 R09: ffff88806cf37b0f R10: 0000000000000000 R11: 0000000000000001 R12: ffff888039808bc0 R13: 0000000000400000 R14: ffff888039809da0 R15: ffff888039809d98 FS: 00007f03bf2c7700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7b3a9050b8 CR3: 000000000df46000 CR4: 0000000000350ee0 Call Trace: ieee80211_bss_info_change_notify+0x9a/0xc0 net/mac80211/main.c:212 ieee80211_ocb_leave+0x1ed/0x340 net/mac80211/ocb.c:228 rdev_leave_ocb net/wireless/rdev-ops.h:382 [inline] __cfg80211_leave_ocb+0x1d6/0x570 net/wireless/ocb.c:70 cfg80211_leave_ocb+0x4e/0x70 net/wireless/ocb.c:84 cfg80211_change_iface+0x843/0xf90 net/wireless/util.c:1064 nl80211_set_interface+0x67c/0x8f0 net/wireless/nl80211.c:3816 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+0x36a/0x5a0 net/netlink/genetlink.c:800 netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2485 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline] netlink_unicast+0x54e/0x800 net/netlink/af_netlink.c:1333 netlink_sendmsg+0x90f/0xe00 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:651 [inline] __sock_sendmsg+0x154/0x190 net/socket.c:663 __sys_sendto+0x21c/0x320 net/socket.c:2005 __do_sys_sendto net/socket.c:2017 [inline] __se_sys_sendto net/socket.c:2013 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2013 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f03c1d048ac Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b RSP: 002b:00007f03bf2c5f80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f03bf2c60f0 RCX: 00007f03c1d048ac RDX: 0000000000000024 RSI: 00007f03bf2c6140 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f03bf2c5fd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f03bf2c6140 R14: 0000000000000005 R15: 0000000000000000 irq event stamp: 2179 hardirqs last enabled at (2189): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (2198): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1504): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1445): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 728ca609f4e39790 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9385 Comm: syz-executor.3 Tainted: G W 5.10.236 #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:1200 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] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x310 mm/slub.c:2909 radix_tree_node_alloc.constprop.0+0x1e3/0x300 lib/radix-tree.c:251 idr_get_free+0x4b5/0x8f0 lib/radix-tree.c:1503 idr_alloc_u32+0x170/0x2d0 lib/idr.c:46 idr_alloc_cyclic+0x102/0x230 lib/idr.c:125 __kernfs_new_node+0x117/0x860 fs/kernfs/dir.c:641 kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711 kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047 kernfs_create_dir include/linux/kernfs.h:561 [inline] cgroup_create kernel/cgroup/cgroup.c:5343 [inline] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479 kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148 vfs_mkdir+0x493/0x750 fs/namei.c:3706 do_mkdirat+0x150/0x2b0 fs/namei.c:3728 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f3e4a1d4b19 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:00007f3e4774a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f3e4a2e7f60 RCX: 00007f3e4a1d4b19 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000005 RBP: 00007f3e4774a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd08983cef R14: 00007f3e4774a300 R15: 0000000000022000 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9413 Comm: syz-executor.3 Tainted: G W 5.10.236 #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:1200 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] __kmalloc+0x72/0x390 mm/slub.c:3967 kmalloc include/linux/slab.h:557 [inline] selinux_kernfs_init_security+0x137/0x4c0 security/selinux/hooks.c:3485 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready security_kernfs_init_security+0x4e/0xb0 security/security.c:1456 __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674 kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711 kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047 kernfs_create_dir include/linux/kernfs.h:561 [inline] cgroup_create kernel/cgroup/cgroup.c:5343 [inline] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479 kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148 vfs_mkdir+0x493/0x750 fs/namei.c:3706 do_mkdirat+0x150/0x2b0 fs/namei.c:3728 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f3e4a1d4b19 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:00007f3e4774a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f3e4a2e7f60 RCX: 00007f3e4a1d4b19 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000005 RBP: 00007f3e4774a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd08983cef R14: 00007f3e4774a300 R15: 0000000000022000