------------[ cut here ]------------ wlan0: Failed check-sdata-in-driver check, flags: 0x4 WARNING: CPU: 0 PID: 12309 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: 12309 Comm: syz-executor.1 Not tainted 5.10.244 #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 a4 10 8b fd e8 9f 10 8b fd 8b 54 24 04 48 89 ee 48 c7 c7 20 fc 95 84 e8 59 0a 25 00 <0f> 0b e9 c7 fd ff ff 4c 89 ff e8 9d 27 b7 fd e9 97 fb ff ff 4c 89 RSP: 0018:ffff888042ce7508 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8129f743 RDI: ffffed100859ce93 RBP: ffff888009d1c000 R08: 0000000000000001 R09: ffff88806ce37b0f R10: 0000000000000000 R11: 0000000000000001 R12: ffff888009d1cbc0 R13: 0000000002000000 R14: ffff888009d1dda0 R15: ffff888009d1dd98 FS: 00007f5a4af36700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d022000 CR3: 00000000487fc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ieee80211_bss_info_change_notify+0x9a/0xc0 net/mac80211/main.c:212 ieee80211_set_mcast_rate+0x37/0x50 net/mac80211/cfg.c:2566 rdev_set_mcast_rate net/wireless/rdev-ops.h:1212 [inline] nl80211_set_mcast_rate+0x30b/0x650 net/wireless/nl80211.c:10222 genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x36a/0x5a0 net/netlink/genetlink.c:800 CPU: 1 PID: 12313 Comm: syz-executor.6 Not tainted 5.10.244 #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 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 netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2503 do_recvmmsg+0x24c/0x6d0 net/socket.c:2733 __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_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 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fbfd7800b19 netlink_sendmsg+0x90f/0xe00 net/netlink/af_netlink.c:1914 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:00007fbfd4d76188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fbfd7913f60 RCX: 00007fbfd7800b19 RDX: 000000000000035f RSI: 0000000020001a00 RDI: 0000000000000003 RBP: 00007fbfd4d761d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000010062 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffc916c332f R14: 00007fbfd4d76300 R15: 0000000000022000 sock_sendmsg_nosec net/socket.c:651 [inline] __sock_sendmsg+0x154/0x190 net/socket.c:663 ____sys_sendmsg+0x70d/0x870 net/socket.c:2378 ___sys_sendmsg+0xf3/0x170 net/socket.c:2432 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2461 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f5a4d9c0b19 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:00007f5a4af36188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f5a4dad3f60 RCX: 00007f5a4d9c0b19 RDX: 0000000000000000 RSI: 0000000020000f00 RDI: 0000000000000003 RBP: 00007f5a4da1af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff102335af R14: 00007f5a4af36300 R15: 0000000000022000 irq event stamp: 2135 hardirqs last enabled at (2145): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (2154): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1712): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1695): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 23adfd50c3cbb278 ]--- FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 12344 Comm: syz-executor.6 Tainted: G W 5.10.244 #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 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 do_recvmmsg+0x24c/0x6d0 net/socket.c:2733 __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 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fbfd7800b19 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:00007fbfd4d76188 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fbfd7913f60 RCX: 00007fbfd7800b19 RDX: 000000000000035f RSI: 0000000020001a00 RDI: 0000000000000003 RBP: 00007fbfd4d761d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000010062 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffc916c332f R14: 00007fbfd4d76300 R15: 0000000000022000 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 48 89 f8 mov %rdi,%rax 13: 48 89 f7 mov %rsi,%rdi 16: 48 89 d6 mov %rdx,%rsi 19: 48 89 ca mov %rcx,%rdx 1c: 4d 89 c2 mov %r8,%r10 1f: 4d 89 c8 mov %r9,%r8 22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 27: 0f 05 syscall * 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 2f: 73 01 jae 0x32 31: c3 retq 32: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx 39: f7 d8 neg %eax 3b: 64 89 01 mov %eax,%fs:(%rcx) 3e: 48 rex.W