mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 64 ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 0 PID: 10169 at net/mac80211/driver-ops.h:172 drv_bss_info_changed+0x4a8/0x5a0 Modules linked in: CPU: 0 PID: 10169 Comm: syz-executor.3 Not tainted 5.17.0-next-20220401 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:drv_bss_info_changed+0x4a8/0x5a0 Code: a8 03 00 00 48 85 ed 0f 84 a1 00 00 00 e8 a0 c3 66 fd e8 9b c3 66 fd 8b 54 24 04 48 89 ee 48 c7 c7 80 83 ba 84 e8 97 f3 25 00 <0f> 0b e9 10 fe ff ff e8 7c c3 66 fd e8 b7 3c 35 00 31 ff 89 c3 89 RSP: 0018:ffff888044f875c0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff812b31e8 RDI: ffffed10089f0eaa RBP: ffff888041d3c000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff812ace5c R11: 0000000000000000 R12: ffff888041d3cbc0 R13: 0000000000400000 R14: ffff888041d3df88 R15: ffff888041d3df80 FS: 00007f4295f08700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4295f06ff8 CR3: 0000000045cae000 CR4: 0000000000350ef0 Call Trace: ieee80211_bss_info_change_notify+0x9a/0xc0 ieee80211_ocb_leave+0x1ed/0x340 __cfg80211_leave_ocb+0x1d6/0x510 cfg80211_leave_ocb+0x4e/0x70 cfg80211_change_iface+0x7fd/0xea0 nl80211_set_interface+0x65f/0x900 genl_family_rcv_msg_doit+0x22d/0x330 genl_rcv_msg+0x33c/0x5a0 netlink_rcv_skb+0x14b/0x430 genl_rcv+0x24/0x40 netlink_unicast+0x54a/0x800 netlink_sendmsg+0x904/0xe00 sock_sendmsg+0x150/0x190 __sys_sendto+0x216/0x310 __x64_sys_sendto+0xdd/0x1b0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f42989878ac 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:00007f4295f06f80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f4295f070f0 RCX: 00007f42989878ac RDX: 0000000000000024 RSI: 00007f4295f07140 RDI: 0000000000000007 RBP: 0000000000000000 R08: 00007f4295f06fd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 loop1: detected capacity change from 0 to 64 R13: 00007f4295f07140 R14: 0000000000000007 R15: 0000000000000000 FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) irq event stamp: 1485 hardirqs last enabled at (1495): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1506): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1286): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (1265): [] __irq_exit_rcu+0x113/0x170 ---[ end trace 0000000000000000 ]--- FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop1: detected capacity change from 0 to 64 kworker/u4:9: attempt to access beyond end of device loop0: rw=1, want=128, limit=40 Buffer I/O error on dev loop0, logical block 31, lost async page write loop2: detected capacity change from 0 to 255 loop6: detected capacity change from 0 to 512 loop4: detected capacity change from 0 to 255 FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) EXT4-fs (loop6): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock EXT4-fs (loop6): group descriptors corrupted! mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop0: detected capacity change from 0 to 40 loop1: detected capacity change from 0 to 64 FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop1: detected capacity change from 0 to 64 loop7: detected capacity change from 0 to 264192 FAT-fs (loop7): invalid media value (0x4d) FAT-fs (loop7): Can't find a valid FAT filesystem loop6: detected capacity change from 0 to 512 kworker/u4:9: attempt to access beyond end of device loop0: rw=1, want=128, limit=40 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium Buffer I/O error on dev loop0, logical block 31, lost async page write EXT4-fs (loop6): ext4_check_descriptors: Block bitmap for group 0 overlaps superblock EXT4-fs (loop6): group descriptors corrupted! loop2: detected capacity change from 0 to 255 FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) loop0: detected capacity change from 0 to 40 FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) kworker/u4:2: attempt to access beyond end of device loop0: rw=1, want=128, limit=40 Buffer I/O error on dev loop0, logical block 31, lost async page write loop7: detected capacity change from 0 to 264192 FAT-fs (loop7): Unrecognized mount option "„" or missing value mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium