------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 0 PID: 8454 at net/mac80211/driver-ops.h:172 drv_bss_info_changed+0x554/0x5f0 net/mac80211/driver-ops.h:172 Modules linked in: CPU: 0 PID: 8454 Comm: syz-executor.2 Not tainted 5.10.179 #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 34 1d 8f fd e8 2f 1d 8f fd 8b 54 24 04 48 89 ee 48 c7 c7 e0 1e 95 84 e8 89 f4 24 00 <0f> 0b e9 c7 fd ff ff 4c 89 ff e8 bd cb ba fd e9 97 fb ff ff 4c 89 EXT4-fs warning (device sda): ext4_group_extend:1800: can't shrink FS - resize aborted RSP: 0018:ffff888020897508 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8129a3e3 RDI: ffffed1004112e93 RBP: ffff888047370000 R08: 0000000000000001 R09: ffff88806ce37b4f R10: 0000000000000000 R11: 0000000000000001 R12: ffff888047370bc0 R13: 0000000002000000 R14: ffff888047371da0 R15: ffff888047371d98 FS: 00007f1a4ff41700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f919a449fe8 CR3: 000000001dcde000 CR4: 0000000000350ef0 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: 0033:0x7f1a529cbb19 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:00007f1a4ff41188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1a52adef60 RCX: 00007f1a529cbb19 RDX: 0000000000000000 RSI: 0000000020000f00 RDI: 0000000000000003 RBP: 00007f1a52a25f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7166babf R14: 00007f1a4ff41300 R15: 0000000000022000 irq event stamp: 1587 hardirqs last enabled at (1593): [] console_trylock_spinning kernel/printk/printk.c:1849 [inline] hardirqs last enabled at (1593): [] vprintk_emit+0x486/0x4d0 kernel/printk/printk.c:2053 hardirqs last disabled at (1598): [] console_trylock_spinning kernel/printk/printk.c:1828 [inline] hardirqs last disabled at (1598): [] vprintk_emit+0x418/0x4d0 kernel/printk/printk.c:2053 softirqs last enabled at (1098): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1037): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace f94788b6826f49db ]--- wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 8456 Comm: syz-executor.5 Tainted: G W 5.10.179 #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 _copy_to_user+0x2e/0x180 lib/usercopy.c:36 copy_to_user include/linux/uaccess.h:200 [inline] simple_read_from_buffer+0xcc/0x160 fs/libfs.c:729 proc_fail_nth_read+0x198/0x230 fs/proc/base.c:1423 vfs_read+0x228/0x580 fs/read_write.c:494 ksys_read+0x12d/0x260 fs/read_write.c:634 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f774ed4c69c Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48 RSP: 002b:00007f774c30f170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f774ed4c69c RDX: 000000000000000f RSI: 00007f774c30f1e0 RDI: 0000000000000005 RBP: 00007f774c30f1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd203f557f R14: 00007f774c30f300 R15: 0000000000022000