------------[ cut here ]------------ WARNING: CPU: 1 PID: 1315 at net/mac80211/offchannel.c:401 ieee80211_start_next_roc+0x1e3/0x250 net/mac80211/offchannel.c:401 Modules linked in: CPU: 1 PID: 1315 Comm: syz-executor.4 Not tainted 6.8.0-rc7-syzkaller-00250-g137e0ec05aeb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 RIP: 0010:ieee80211_start_next_roc+0x1e3/0x250 net/mac80211/offchannel.c:401 Code: f6 48 89 df 4c 89 f6 48 89 c2 5b 41 5c 41 5e 41 5f e9 11 7e de ff e8 dc 2b bb f6 90 0f 0b 90 e9 b5 fe ff ff e8 ce 2b bb f6 90 <0f> 0b 90 e9 fc fe ff ff 48 c7 c1 0c a0 85 8f 80 e1 07 80 c1 03 38 RSP: 0018:ffffc900034f70f8 EFLAGS: 00010283 RAX: ffffffff8ad84332 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90004fa9000 RSI: 00000000000052c1 RDI: 00000000000052c2 RBP: ffffc900034f7290 R08: ffffffff8ad8427c R09: 1ffff1100f5d9a9b R10: dffffc0000000000 R11: ffffed100f5d9a9c R12: dffffc0000000000 R13: ffff88801ecc8e20 R14: ffff88801ecc8e20 R15: ffff8880221856a0 FS: 0000000000000000(0000) GS:ffff8880b9500000(0063) knlGS:00000000f5ea4b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000003152b000 CR3: 000000003b21a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_do_stop+0x1d9/0x1ec0 net/mac80211/iface.c:480 ieee80211_runtime_change_iftype net/mac80211/iface.c:1854 [inline] ieee80211_if_change_type+0x4cd/0xad0 net/mac80211/iface.c:1892 ieee80211_change_iface+0xd2/0x4f0 net/mac80211/cfg.c:219 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x75e/0xed0 net/wireless/util.c:1209 nl80211_set_interface+0x5b5/0x830 net/wireless/nl80211.c:4231 genl_family_rcv_msg_doit net/netlink/genetlink.c:1113 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1193 [inline] genl_rcv_msg+0xad6/0xe50 net/netlink/genetlink.c:1208 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1217 netlink_unicast_kernel net/netlink/af_netlink.c:1341 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1367 netlink_sendmsg+0xa3b/0xd70 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 __sys_sendto+0x3a4/0x4f0 net/socket.c:2191 __se_compat_sys_socketcall+0xb17/0x1430 net/compat.c:423 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0xbd/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x7c/0x86 RIP: 0023:0xf72aa579 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 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 002b:00000000f5ea3420 EFLAGS: 00000206 ORIG_RAX: 0000000000000066 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000f5ea3434 RDX: 0000000000000000 RSI: 00000000f5ea35a0 RDI: 00000000f7400ff4 RBP: 00000000f5ea35a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- 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: 90 nop 31: 90 nop 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop