bisecting fixing commit since 1048ba83fb1c00cd24172e23e8263972f6b5d9ac
building syzkaller on e6b95f320e195f8f4ddab87c7442dae4b7ac4c8e
testing commit 1048ba83fb1c00cd24172e23e8263972f6b5d9ac
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: b9d17cd9dbf307fd75e23660b9062566cd7a4e4f8f50a1f5ada5a5aa6b80663e
all runs: crashed: WARNING in ieee80211_check_rate_mask
testing current HEAD 9f42f674a89200d4f465a7db6070e079f3c6145f
testing commit 9f42f674a89200d4f465a7db6070e079f3c6145f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1
kernel signature: d67db1bd88b0be6300db40ad433af569817070a07be6a18299cf1dd9f529ed53
all runs: crashed: WARNING in ieee80211_check_rate_mask
revisions tested: 2, total time: 19m7.801015934s (build: 11m12.301278166s, test: 7m12.991391888s)
the crash still happens on HEAD
commit msg: Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
crash: WARNING in ieee80211_check_rate_mask
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'.
------------[ cut here ]------------
WARNING: CPU: 1 PID: 10223 at net/mac80211/rate.c:282 ieee80211_check_rate_mask+0x224/0x360 net/mac80211/rate.c:295
Modules linked in:
CPU: 1 PID: 10223 Comm: syz-executor.0 Not tainted 5.14.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ieee80211_check_rate_mask+0x224/0x360 net/mac80211/rate.c:282
Code: 7c 08 84 d2 0f 85 4a 01 00 00 44 89 ac ab a0 0c 00 00 48 83 c4 10 5b 5d 41 5c 41 5d c3 0f 0b 48 83 c4 10 5b 5d 41 5c 41 5d c3 <0f> 0b eb e4 44 89 4c 24 04 e8 3e c5 f0 f9 44 8b 4c 24 04 e9 5a fe
RSP: 0018:ffffc9000ae974e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88801847cc00 RCX: 0000000000000000
RDX: 1ffff1100308fbf4 RSI: 000000000000000b RDI: ffff88801847dfa0
RBP: ffff88803370b490 R08: ffff888023911021 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000020
R13: ffff88801847cc00 R14: ffff888033708580 R15: 0000000000000000
FS:  00007f55c6ff9700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000053b038 CR3: 0000000042113000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_change_bss+0x41b/0x990 net/mac80211/cfg.c:2344
 rdev_change_bss net/wireless/rdev-ops.h:394 [inline]
 nl80211_set_bss+0x66d/0xab0 net/wireless/nl80211.c:7204
 genl_family_rcv_msg_doit+0x1e4/0x2f0 net/netlink/genetlink.c:739
 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
 genl_rcv_msg+0x27a/0x4a0 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2504
 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x704/0xbf0 net/netlink/af_netlink.c:1929
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg+0xab/0xe0 net/socket.c:723
 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2392
 ___sys_sendmsg+0xd3/0x150 net/socket.c:2446
 __sys_sendmsg+0xb2/0x140 net/socket.c:2475
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x465b09
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:00007f55c6ff9188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000004
RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffdc5571b8f R14: 00007f55c6ff9300 R15: 0000000000022000