bisecting fixing commit since 92bf22614b21a2706f4993b278017e437f7785b3
building syzkaller on 2ce644fcea660c78bc6a3ce7e05079a730743671
testing commit 92bf22614b21a2706f4993b278017e437f7785b3
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 84a587466621a2614c27abc164bf1901a888a832a5e96a890ab101f45f07c394
all runs: crashed: WARNING in drv_remove_interface
testing current HEAD 0885eacdc81f920c3e0554d5615e69a66504a28d
testing commit 0885eacdc81f920c3e0554d5615e69a66504a28d
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 854eb280bc67c60fc870598cdb80c7165f0d066170037f7e7cb19d90a7eece27
run #0: crashed: WARNING in drv_remove_interface
run #1: crashed: WARNING in drv_remove_interface
run #2: crashed: WARNING in drv_remove_interface
run #3: crashed: WARNING in drv_remove_interface
run #4: crashed: WARNING in drv_remove_interface
run #5: crashed: WARNING in drv_remove_interface
run #6: crashed: WARNING in drv_remove_interface
run #7: boot failed: INFO: task hung in add_early_randomness
run #8: boot failed: INFO: task hung in add_early_randomness
run #9: boot failed: INFO: task hung in add_early_randomness
revisions tested: 2, total time: 25m49.187995991s (build: 11m46.123231112s, test: 13m8.268284899s)
the crash still happens on HEAD
commit msg: Merge tag 'nfsd-5.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
crash: WARNING in drv_remove_interface
------------[ cut here ]------------
wlan0: Failed check-sdata-in-driver check, flags: 0x4
WARNING: CPU: 0 PID: 4259 at net/mac80211/driver-ops.c:97 drv_remove_interface+0x2da/0x340
Modules linked in:
CPU: 1 PID: 4259 Comm: syz-executor.0 Not tainted 5.19.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:drv_remove_interface+0x2da/0x340
Code: c1 e9 03 80 3c 01 00 75 72 48 8b 83 08 06 00 00 48 8d b3 28 06 00 00 48 c7 c7 c0 eb fc 89 48 85 c0 48 0f 45 f0 e8 d1 e0 67 00 <0f> 0b eb 90 e8 4d 73 cd f9 e9 ff fd ff ff 4c 89 ef e8 30 73 cd f9
RSP: 0018:ffffc90002f7f768 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff8880166b0c00 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff520005efedf
RBP: ffff8880748f8de0 R08: 0000000000000001 R09: ffff8880b9e2792b
R10: ffffed10173c4f25 R11: 0000000000002000 R12: ffff8880748fa9b0
R13: ffff8880166b1218 R14: dffffc0000000000 R15: ffff8880748f8de0
FS:  00007f54f96ed700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557e7171e600 CR3: 0000000018f79000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_do_stop+0xe36/0x1a90
 ieee80211_stop+0xad/0x680
 __dev_close_many+0x18c/0x290
 __dev_change_flags+0x24f/0x650
 dev_change_flags+0x86/0x150
 devinet_ioctl+0x102e/0x16c0
 inet_ioctl+0x1a8/0x290
 sock_do_ioctl+0xc9/0x1c0
 sock_ioctl+0x278/0x510
 __x64_sys_ioctl+0x11f/0x190
 do_syscall_64+0x35/0x80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
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:00007f54f96ed188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09
RDX: 0000000020001000 RSI: 0000000000008914 RDI: 0000000000000003
RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffe45dcfaaf R14: 00007f54f96ed300 R15: 0000000000022000
 </TASK>