kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10783 Comm: syz-executor.2 Not tainted 5.4.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ieee80211_chanctx_num_assigned+0x98/0x110 net/mac80211/chan.c:21
Code: 98 40 f7 ff ff 48 39 c5 b8 00 00 00 00 74 35 49 bc 00 00 00 00 00 fc ff df 48 8d bb c0 08 00 00 83 c0 01 48 89 fa 48 c1 ea 03 <42> 80 3c 22 00 75 46 48 8b 93 c0 08 00 00 48 8d 9a 40 f7 ff ff 48
RSP: 0018:ffff888087cd73e8 EFLAGS: 00010a02
RAX: 0000000000000002 RBX: deacfffffffff840 RCX: 0000000000000000
RDX: 1bd5a00000000020 RSI: ffff8880ae4f2788 RDI: dead000000000100
RBP: ffff8880b4fdb120 R08: 1ffff11014194a81 R09: ffffed10173c6915
R10: ffffed10173c6914 R11: ffff8880b9e348a3 R12: dffffc0000000000
R13: ffff8880b4fdb100 R14: 0000000000000000 R15: ffff8880a0ca5bd0
FS:  00007ff3a8b6b700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1859259718 CR3: 00000000adee7000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_assign_vif_chanctx+0x647/0x12a0 net/mac80211/chan.c:677
 __ieee80211_vif_release_channel+0x1b8/0x350 net/mac80211/chan.c:1544
 ieee80211_vif_release_channel+0xe9/0x1d0 net/mac80211/chan.c:1758
 ieee80211_ibss_disconnect+0x669/0xcf0 net/mac80211/ibss.c:742
 ieee80211_ibss_leave+0x11/0xd0 net/mac80211/ibss.c:1865
 rdev_leave_ibss net/wireless/rdev-ops.h:532 [inline]
 __cfg80211_leave_ibss+0x14c/0x630 net/wireless/ibss.c:212
 cfg80211_leave_ibss+0x51/0x70 net/wireless/ibss.c:230
 cfg80211_change_iface+0x914/0x1230 net/wireless/util.c:955
 nl80211_set_interface+0x437/0x810 net/wireless/nl80211.c:3551
 genl_family_rcv_msg+0x5ff/0xf40 net/netlink/genetlink.c:629
 genl_rcv_msg+0xb3/0x160 net/netlink/genetlink.c:654
 netlink_rcv_skb+0x119/0x340 net/netlink/af_netlink.c:2477
 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:665
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x3fc/0x5c0 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x71e/0xb70 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xac/0xf0 net/socket.c:657
 ___sys_sendmsg+0x653/0x950 net/socket.c:2311
 __sys_sendmsg+0xce/0x170 net/socket.c:2356
 do_syscall_64+0x8e/0x4e0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x465d99
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:00007ff3a8b6b188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056c0b0 RCX: 0000000000465d99
RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000004
RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0b0
R13: 00007ffe7ff35d4f R14: 00007ff3a8b6b300 R15: 0000000000022000
Modules linked in:
---[ end trace 6c18c452a2b40540 ]---
RIP: 0010:ieee80211_chanctx_num_assigned+0x98/0x110 net/mac80211/chan.c:21
Code: 98 40 f7 ff ff 48 39 c5 b8 00 00 00 00 74 35 49 bc 00 00 00 00 00 fc ff df 48 8d bb c0 08 00 00 83 c0 01 48 89 fa 48 c1 ea 03 <42> 80 3c 22 00 75 46 48 8b 93 c0 08 00 00 48 8d 9a 40 f7 ff ff 48
RSP: 0018:ffff888087cd73e8 EFLAGS: 00010a02
RAX: 0000000000000002 RBX: deacfffffffff840 RCX: 0000000000000000
RDX: 1bd5a00000000020 RSI: ffff8880ae4f2788 RDI: dead000000000100
RBP: ffff8880b4fdb120 R08: 1ffff11014194a81 R09: ffffed10173c6915
R10: ffffed10173c6914 R11: ffff8880b9e348a3 R12: dffffc0000000000
R13: ffff8880b4fdb100 R14: 0000000000000000 R15: ffff8880a0ca5bd0
FS:  00007ff3a8b6b700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005680c0 CR3: 00000000adee7000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400