WARNING in ieee80211_vif_release

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	WARNING in ieee80211_vif_release_channel	-1				2	1903d	1905d	0/1	auto-closed as invalid on 2021/10/03 04:56
linux-4.19	WARNING in ieee80211_vif_release_channel (3)	-1	syz, C		error	3	1383d	1542d	0/1	upstream: reported C repro on 2022/06/01 03:26
upstream	WARNING in ieee80211_vif_release_channel wireless	-1				3	1843d	1904d	0/29	auto-closed as invalid on 2021/12/02 06:30
upstream	WARNING in ieee80211_vif_release_channel (2) wireless	-1	syz, C	done		5	1702d	1705d	20/29	fixed on 2022/03/08 16:11

RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 00007f1d180911d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffef76ae27f R14: 00007f1d18091300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 13949 at net/mac80211/chan.c:1754 ieee80211_vif_release_channel.cold+0x29/0x57 net/mac80211/chan.c:1754 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 13949 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:ieee80211_vif_release_channel.cold+0x29/0x57 net/mac80211/chan.c:1754 Code: ff e8 1e fb 4d f9 48 c7 c7 20 1a 68 89 e8 7d 2c df ff 0f 0b e9 c8 4c 92 ff e8 06 fb 4d f9 48 c7 c7 20 1a 68 89 e8 65 2c df ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 80 3c 02 00 RSP: 0018:ffff8880b3a1f398 EFLAGS: 00010286 RAX: 0000000000000024 RBX: ffff88805ed21f80 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1016743e65 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88805ed224b0 R13: 0000000000000001 R14: 00000000fffffff4 R15: ffff88805ed224b0 ieee80211_start_ap+0x11a0/0x1730 net/mac80211/cfg.c:974 rdev_start_ap net/wireless/rdev-ops.h:144 [inline] nl80211_start_ap+0x12dc/0x2110 net/wireless/nl80211.c:4402 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f1d1ab3ca39 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:00007f1d18091188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1d1ac40020 RCX: 00007f1d1ab3ca39 RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 00007f1d180911d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffef76ae27f R14: 00007f1d18091300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..