Hello, syzbot found the following issue on: HEAD commit: 401644852d0b Merge tag 'fs_for_v6.6-rc6' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=176b01ad680000 kernel config: https://syzkaller.appspot.com/x/.config?x=32d0b9b42ceb8b10 dashboard link: https://syzkaller.appspot.com/bug?extid=dd4779978217b1973180 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/94b84d66fc32/disk-40164485.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2a510b785da4/vmlinux-40164485.xz kernel image: https://storage.googleapis.com/syzbot-assets/663b784d908b/bzImage-40164485.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+dd4779978217b1973180@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 0 PID: 9044 at net/mac80211/main.c:236 ieee80211_bss_info_change_notify+0x2c9/0x820 net/mac80211/main.c:236 Modules linked in: CPU: 0 PID: 9044 Comm: syz-executor.2 Not tainted 6.6.0-rc5-syzkaller-00072-g401644852d0b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:ieee80211_bss_info_change_notify+0x2c9/0x820 net/mac80211/main.c:236 Code: 00 00 e8 4a e3 d6 f7 48 8b 74 24 08 48 89 74 24 08 e8 3b e3 d6 f7 8b 14 24 48 c7 c7 c0 a2 c4 8b 48 8b 74 24 08 e8 87 0b 9d f7 <0f> 0b e8 20 e3 d6 f7 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 RSP: 0018:ffffc900062472d8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888020030c80 RCX: ffffc90003ec1000 RDX: 0000000000040000 RSI: ffffffff814df0c6 RDI: 0000000000000001 RBP: 0000000000000a00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888078ef8e20 R13: ffff8880200328b0 R14: ffff8880200315a0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0063) knlGS:00000000f7f3ab40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f72646b0 CR3: 0000000020d94000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ieee80211_ibss_disconnect+0x411/0x9d0 net/mac80211/ibss.c:726 ieee80211_ibss_leave+0x16/0x160 net/mac80211/ibss.c:1872 rdev_leave_ibss net/wireless/rdev-ops.h:569 [inline] __cfg80211_leave_ibss+0x1a2/0x410 net/wireless/ibss.c:210 cfg80211_leave_ibss+0x59/0x80 net/wireless/ibss.c:228 cfg80211_change_iface+0x457/0xdf0 net/wireless/util.c:1137 nl80211_set_interface+0x708/0x9b0 net/wireless/nl80211.c:4222 genl_family_rcv_msg_doit+0x1fc/0x2e0 net/netlink/genetlink.c:971 genl_family_rcv_msg net/netlink/genetlink.c:1051 [inline] genl_rcv_msg+0x55c/0x800 net/netlink/genetlink.c:1066 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1075 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0xd5/0x180 net/socket.c:745 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2558 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2612 __sys_sendmsg+0x117/0x1e0 net/socket.c:2641 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f3f579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f3a5ac EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000100 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
