bisecting fixing commit since e3ec1e8ca02b7e6c935bba3f9b6da86c2e57d2eb
building syzkaller on e1c29030da37d46475ab5babe68abc4afe085799
testing commit e3ec1e8ca02b7e6c935bba3f9b6da86c2e57d2eb with gcc (GCC) 8.4.1 20210217
kernel signature: f8eed3ccaf666a4d1ccaf880e2691606980384491b2e3f3b335866a20bc5e387
all runs: crashed: WARNING in __cfg80211_connect_result
testing current HEAD ea89c862f01e02ec459932c7c3113fa37aedd09a
testing commit ea89c862f01e02ec459932c7c3113fa37aedd09a with gcc (GCC) 10.2.1 20210217
kernel signature: cd554ac109a97f71c172258804f56e55ccdf14eba055dad8799d4a3e91a591cc
all runs: crashed: WARNING in __cfg80211_connect_result
revisions tested: 2, total time: 20m20.50286076s (build: 12m48.230651303s, test: 6m36.877754819s)
the crash still happens on HEAD
commit msg: net: mana: Use struct_size() in kzalloc()
crash: WARNING in __cfg80211_connect_result
------------[ cut here ]------------
WARNING: CPU: 0 PID: 216 at net/wireless/sme.c:756 wiphy_to_rdev net/wireless/core.h:113 [inline]
WARNING: CPU: 0 PID: 216 at net/wireless/sme.c:756 wiphy_to_rdev net/wireless/core.h:111 [inline]
WARNING: CPU: 0 PID: 216 at net/wireless/sme.c:756 __cfg80211_connect_result+0xd42/0x1120 net/wireless/sme.c:697
Modules linked in:
CPU: 0 PID: 216 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: cfg80211 cfg80211_event_work
RIP: 0010:__cfg80211_connect_result+0xd42/0x1120 net/wireless/sme.c:756
Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 f0 02 00 00 48 8b 75 10 4c 89 ff e8 95 8b f6 ff e9 fb f7 ff ff 0f 0b <0f> 0b e9 f2 f7 ff ff e8 82 fd 90 00 85 c0 74 31 80 3d 11 a7 57 03
RSP: 0018:ffffc90000647bd0 EFLAGS: 00010246

RAX: 0000000000000000 RBX: ffff88811bef8000 RCX: 0000000000000000
RDX: 1ffff110211749a5 RSI: 0000000000000002 RDI: ffffffff881346e0
RBP: ffff888108ba4d18 R08: 0000000000000001 R09: ffffffff8bff4c07
R10: fffffbfff17fe980 R11: ffff88810f906198 R12: 0000000000000000
R13: 1ffff920000c8f7d R14: ffff888108ba4d28 R15: ffff88811bef8200
FS:  0000000000000000(0000) GS:ffff8881f6500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055643b22e2f7 CR3: 000000010a95f004 CR4: 00000000001706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 cfg80211_process_wdev_events+0x254/0x550 net/wireless/util.c:962
 cfg80211_process_rdev_events+0x7f/0xf0 net/wireless/util.c:1003
 cfg80211_event_work+0x22/0x30 net/wireless/core.c:328
 process_one_work+0x84c/0x13b0 kernel/workqueue.c:2275
 worker_thread+0x598/0xf80 kernel/workqueue.c:2421
 kthread+0x36f/0x450 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
irq event stamp: 796379
hardirqs last  enabled at (796409): [<ffffffff8779e50f>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
hardirqs last  enabled at (796409): [<ffffffff8779e50f>] _raw_spin_unlock_irq+0x1f/0x80 kernel/locking/spinlock.c:199
hardirqs last disabled at (796430): [<ffffffff87789841>] __schedule+0x13e1/0x23d0 kernel/sched/core.c:5043
softirqs last  enabled at (796614): [<ffffffff8141b570>] invoke_softirq kernel/softirq.c:433 [inline]
softirqs last  enabled at (796614): [<ffffffff8141b570>] __irq_exit_rcu kernel/softirq.c:637 [inline]
softirqs last  enabled at (796614): [<ffffffff8141b570>] irq_exit_rcu+0x250/0x2a0 kernel/softirq.c:649
softirqs last disabled at (796627): [<ffffffff8141b570>] invoke_softirq kernel/softirq.c:433 [inline]
softirqs last disabled at (796627): [<ffffffff8141b570>] __irq_exit_rcu kernel/softirq.c:637 [inline]
softirqs last disabled at (796627): [<ffffffff8141b570>] irq_exit_rcu+0x250/0x2a0 kernel/softirq.c:649
---[ end trace 139ec2aa167d0e58 ]---