WARNING: CPU: 0 PID: 9556 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: 9556 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 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 RSP: 0018:ffff888034f3f5d0 EFLAGS: 00010282 CPU: 1 PID: 9558 Comm: syz-executor.4 Not tainted 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 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 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] __copy_msghdr_from_user+0x91/0x4b0 net/socket.c:2260 RDX: 0000000000040000 RSI: ffffffff8129e973 RDI: ffffed10069e7eac RBP: ffff888046a24000 R08: 0000000000000001 R09: ffff88806ce37b0f copy_msghdr_from_user net/socket.c:2311 [inline] recvmsg_copy_msghdr net/socket.c:2563 [inline] ___sys_recvmsg+0xd5/0x200 net/socket.c:2635 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888046a24bc0 R13: 0000000000400000 R14: ffff888046a25da0 R15: ffff888046a25d98 FS: 00007fdc1e59b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 do_recvmmsg+0x24c/0x6d0 net/socket.c:2733 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9ce632a550 CR3: 00000000467ba000 CR4: 0000000000350ef0 __sys_recvmmsg net/socket.c:2812 [inline] __do_sys_recvmmsg net/socket.c:2835 [inline] __se_sys_recvmmsg net/socket.c:2828 [inline] __x64_sys_recvmmsg+0x20f/0x260 net/socket.c:2828 Call Trace: do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f033573cb19 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:00007f0332cb2188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f033584ff60 RCX: 00007f033573cb19 RDX: 0000000000000300 RSI: 0000000020001a40 RDI: 0000000000000003 RBP: 00007f0332cb21d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffcf9e38e9f R14: 00007f0332cb2300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9560 Comm: syz-executor.0 Not tainted 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] __copy_msghdr_from_user+0x91/0x4b0 net/socket.c:2260 ieee80211_bss_info_change_notify+0x9a/0xc0 net/mac80211/main.c:212 ieee80211_ocb_leave+0x1ed/0x340 net/mac80211/ocb.c:228 copy_msghdr_from_user net/socket.c:2311 [inline] recvmsg_copy_msghdr net/socket.c:2563 [inline] ___sys_recvmsg+0xd5/0x200 net/socket.c:2635 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 do_recvmmsg+0x24c/0x6d0 net/socket.c:2733 nl80211_set_interface+0x67c/0x8f0 net/wireless/nl80211.c:3816 __sys_recvmmsg net/socket.c:2812 [inline] __do_sys_recvmmsg net/socket.c:2835 [inline] __se_sys_recvmmsg net/socket.c:2828 [inline] __x64_sys_recvmmsg+0x20f/0x260 net/socket.c:2828 genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f11b74b4b19 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:00007f11b4a09188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f11b75c8020 RCX: 00007f11b74b4b19 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x36a/0x5a0 net/netlink/genetlink.c:800 RDX: 0000000000000300 RSI: 0000000020001a40 RDI: 0000000000000003 RBP: 00007f11b4a091d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffc1d6cbebf R14: 00007f11b4a09300 R15: 0000000000022000 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium 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: 0033:0x7fdc20fd88ac 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:00007fdc1e599f80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fdc1e59a0f0 RCX: 00007fdc20fd88ac RDX: 0000000000000024 RSI: 00007fdc1e59a140 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007fdc1e599fd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007fdc1e59a140 R14: 0000000000000005 R15: 0000000000000000 irq event stamp: 2811 hardirqs last enabled at (2819): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (2828): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1900): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1871): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 196ec39030329f69 ]---