------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 0 PID: 14607 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: 14607 Comm: syz-executor.1 Not tainted 5.10.240 #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 64 3c 8b fd e8 5f 3c 8b fd 8b 54 24 04 48 89 ee 48 c7 c7 20 f2 95 84 e8 fc 09 25 00 <0f> 0b e9 c7 fd ff ff 4c 89 ff e8 3d 4b b7 fd e9 97 fb ff ff 4c 89 sg_write: data in/out 327644/1768 bytes for SCSI command 0x0-- guessing data in; program syz-executor.7 not setting count and/or reply_len properly RSP: 0018:ffff88804e7275c8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8129f703 RDI: ffffed1009ce4eab RBP: ffff8880495d8000 R08: 0000000000000001 R09: ffff88806ce37b0f FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880495d8bc0 CPU: 1 PID: 14629 Comm: syz-executor.7 Not tainted 5.10.240 #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 copyin lib/iov_iter.c:155 [inline] copy_page_from_iter_iovec lib/iov_iter.c:303 [inline] copy_page_from_iter+0x40a/0x900 lib/iov_iter.c:940 bio_copy_from_iter block/blk-map.c:54 [inline] bio_copy_user_iov block/blk-map.c:212 [inline] blk_rq_map_user_iov+0x138b/0x1a60 block/blk-map.c:601 blk_rq_map_user+0x103/0x170 block/blk-map.c:631 sg_start_req drivers/scsi/sg.c:1831 [inline] sg_common_write.constprop.0+0x10ed/0x1a30 drivers/scsi/sg.c:800 R13: 0000000000400000 R14: ffff8880495d9da0 R15: ffff8880495d9d98 sg_write.part.0+0x69e/0xaa0 drivers/scsi/sg.c:704 sg_write+0x87/0x120 drivers/scsi/sg.c:610 vfs_write+0x29a/0xb10 fs/read_write.c:603 ksys_write+0x12d/0x260 fs/read_write.c:658 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f04aeca8b19 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:00007f04ac21e188 EFLAGS: 00000246 FS: 00007f200602b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f04aedbbf60 RCX: 00007f04aeca8b19 RDX: 0000000000000712 RSI: 0000000020000940 RDI: 0000000000000004 RBP: 00007f04ac21e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe1545460f R14: 00007f04ac21e300 R15: 0000000000022000 CR2: 00007f2006029ff8 CR3: 000000004e9a2000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a 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:2503 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x6ce/0xa00 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x90f/0xe00 net/netlink/af_netlink.c:1914 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: 0033:0x7f2008a688ac 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:00007f2006029f80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f200602a0f0 RCX: 00007f2008a688ac RDX: 0000000000000024 RSI: 00007f200602a140 RDI: 0000000000000008 RBP: 0000000000000000 R08: 00007f2006029fd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f200602a140 R14: 0000000000000008 R15: 0000000000000000 irq event stamp: 9983 hardirqs last enabled at (10017): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (10062): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (6160): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (6075): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace f486a76c8b55ad22 ]--- 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 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.