R13: 00007ffcea33917f R14: 00007f004b2c6300 R15: 0000000000022000 9pnet: p9_fd_create_tcp (11863): problem connecting socket to 127.0.0.1 ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 1 PID: 11868 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: 11868 Comm: syz-executor.6 Not tainted 5.10.235 #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 54 ab 8b fd e8 4f ab 8b fd 8b 54 24 04 48 89 ee 48 c7 c7 c0 da 95 84 e8 dc 07 25 00 <0f> 0b e9 c7 fd ff ff 4c 89 ff e8 7d af b7 fd e9 97 fb ff ff 4c 89 RSP: 0018:ffff88804804f5d0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8129e973 RDI: ffffed1009009eac RBP: ffff888047344000 R08: 0000000000000001 R09: ffff88806cf27fbb R10: 0000000000000000 R11: 0000000000000001 R12: ffff888047344bc0 R13: 0000000000400000 R14: ffff888047345da0 R15: ffff888047345d98 FS: 00007f2e7488f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2e7488dff8 CR3: 0000000037248000 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: 0033:0x7f2e772cc8ac 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:00007f2e7488df80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2e7488e0f0 RCX: 00007f2e772cc8ac RDX: 0000000000000024 RSI: 00007f2e7488e140 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f2e7488dfd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f2e7488e140 R14: 0000000000000005 R15: 0000000000000000 irq event stamp: 6151 hardirqs last enabled at (6173): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (6194): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (4600): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4563): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 1829c0921f175b2e ]--- loop5: detected capacity change from 0 to 2103296 EXT4-fs error (device loop5): __ext4_get_inode_loc:4405: comm syz-executor.5: Invalid inode table block 0 in block_group 0 EXT4-fs (loop5): get root inode failed EXT4-fs (loop5): mount failed 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 loop5: detected capacity change from 0 to 2103296 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 11881 Comm: syz-executor.2 Tainted: G W 5.10.235 #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_from_user+0x2e/0x1b0 lib/usercopy.c:15 copy_from_user include/linux/uaccess.h:192 [inline] memdup_user+0x65/0xd0 mm/util.c:177 strndup_user+0x74/0xe0 mm/util.c:232 copy_mount_string fs/namespace.c:3155 [inline] __do_sys_mount fs/namespace.c:3453 [inline] __se_sys_mount fs/namespace.c:3445 [inline] __x64_sys_mount+0x133/0x300 fs/namespace.c:3445 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'. do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f004dd50b19 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:00007f004b2c6188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f004de63f60 RCX: 00007f004dd50b19 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000000 RBP: 00007f004b2c61d0 R08: 0000000020000100 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcea33917f R14: 00007f004b2c6300 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 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready EXT4-fs error (device loop5): __ext4_get_inode_loc:4405: comm syz-executor.5: Invalid inode table block 0 in block_group 0 EXT4-fs (loop5): get root inode failed EXT4-fs (loop5): mount failed netlink: 'syz-executor.4': attribute type 8 has an invalid length.