syzbot


upstream boot error: BUG: unable to handle kernel paging request in ieee80211_register_hw

Status: upstream: reported on 2022/08/16 08:40
Reported-by: syzbot+655209e079e67502f2da@syzkaller.appspotmail.com
First crash: 48d, last: 48d

Sample crash report:
usbcore: registered new interface driver nfcmrvl
Loading iSCSI transport class v2.0-870.
scsi host0: Virtio SCSI HBA
st: Version 20160209, fixed bufsize 32768, s/g segs 256
Rounding down aligned max_sectors from 4294967295 to 4294967288
db_root: cannot open: /etc/target
slram: not enough parameters.
ftl_cs: FTL header not found.
wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information.
wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com)
MACsec IEEE 802.1AE
tun: Universal TUN/TAP device driver, 1.6
vcan: Virtual CAN interface driver
vxcan: Virtual CAN Tunnel driver
slcan: serial line CAN interface driver
CAN device driver interface
usbcore: registered new interface driver usb_8dev
usbcore: registered new interface driver ems_usb
usbcore: registered new interface driver gs_usb
usbcore: registered new interface driver kvaser_usb
usbcore: registered new interface driver mcba_usb
usbcore: registered new interface driver peak_usb
e100: Intel(R) PRO/100 Network Driver
e100: Copyright(c) 1999-2006 Intel Corporation
e1000: Intel(R) PRO/1000 Network Driver
e1000: Copyright (c) 1999-2006 Intel Corporation.
e1000e: Intel(R) PRO/1000 Network Driver
e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
mkiss: AX.25 Multikiss, Hans Albas PE1AYX
AX.25: 6pack driver, Revision: 0.3.0
AX.25: bpqether driver version 004
PPP generic driver version 2.4.2
PPP BSD Compression module registered
PPP Deflate Compression module registered
PPP MPPE Compression module registered
NET: Registered PF_PPPOX protocol family
PPTP driver version 0.8.5
SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled).
CSLIP: code copyright 1989 Regents of the University of California.
SLIP linefill/keepalive option.
hdlc: HDLC support module revision 1.22
LAPB Ethernet driver version 0.02
usbcore: registered new interface driver ath9k_htc
usbcore: registered new interface driver carl9170
usbcore: registered new interface driver ath6kl_usb
usbcore: registered new interface driver ar5523
usbcore: registered new interface driver ath10k_usb
usbcore: registered new interface driver rndis_wlan
mac80211_hwsim: initializing netlink
BUG: unable to handle page fault for address: ffffddffe0000001
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 11829067 P4D 11829067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-syzkaller-14090-g4a9350597aff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:ieee80211_register_hw+0x2872/0x3eb0 net/mac80211/main.c:1069
Code: 89 e7 e8 31 3b b8 f8 45 39 ec 0f 84 0b 03 00 00 e8 e3 3e b8 f8 4c 8d 75 f4 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 <0f> b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d6
RSP: 0000:ffffc90000067a40 EFLAGS: 00010a03
RAX: 1fffe1ffe0000001 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: ffff8881401b8000 RSI: ffffffff88c3c82d RDI: 0000000000000005
RBP: ffff0fff0000000c R08: 0000000000000005 R09: 0000000000000000
R10: 000000000000076d R11: 0000000000000000 R12: 0000000000000000
R13: 000000000000076d R14: ffff0fff00000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffddffe0000001 CR3: 000000000bc8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 mac80211_hwsim_new_radio+0x255f/0x4dd0 drivers/net/wireless/mac80211_hwsim.c:4129
 init_mac80211_hwsim+0x5aa/0x73b drivers/net/wireless/mac80211_hwsim.c:5379
 do_one_initcall+0xfe/0x650 init/main.c:1296
 do_initcall_level init/main.c:1369 [inline]
 do_initcalls init/main.c:1385 [inline]
 do_basic_setup init/main.c:1404 [inline]
 kernel_init_freeable+0x6b1/0x73a init/main.c:1611
 kernel_init+0x1a/0x1d0 init/main.c:1500
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Modules linked in:
CR2: ffffddffe0000001
---[ end trace 0000000000000000 ]---
RIP: 0010:ieee80211_register_hw+0x2872/0x3eb0 net/mac80211/main.c:1069
Code: 89 e7 e8 31 3b b8 f8 45 39 ec 0f 84 0b 03 00 00 e8 e3 3e b8 f8 4c 8d 75 f4 48 89 e8 48 b9 00 00 00 00 00 fc ff df 48 c1 e8 03 <0f> b6 14 08 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d6
RSP: 0000:ffffc90000067a40 EFLAGS: 00010a03
RAX: 1fffe1ffe0000001 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: ffff8881401b8000 RSI: ffffffff88c3c82d RDI: 0000000000000005
RBP: ffff0fff0000000c R08: 0000000000000005 R09: 0000000000000000
R10: 000000000000076d R11: 0000000000000000 R12: 0000000000000000
R13: 000000000000076d R14: ffff0fff00000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffddffe0000001 CR3: 000000000bc8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	89 e7                	mov    %esp,%edi
   2:	e8 31 3b b8 f8       	callq  0xf8b83b38
   7:	45 39 ec             	cmp    %r13d,%r12d
   a:	0f 84 0b 03 00 00    	je     0x31b
  10:	e8 e3 3e b8 f8       	callq  0xf8b83ef8
  15:	4c 8d 75 f4          	lea    -0xc(%rbp),%r14
  19:	48 89 e8             	mov    %rbp,%rax
  1c:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  23:	fc ff df
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	0f b6 14 08          	movzbl (%rax,%rcx,1),%edx <-- trapping instruction
  2e:	48 89 e8             	mov    %rbp,%rax
  31:	83 e0 07             	and    $0x7,%eax
  34:	83 c0 03             	add    $0x3,%eax
  37:	38 d0                	cmp    %dl,%al
  39:	7c 08                	jl     0x43
  3b:	84 d2                	test   %dl,%dl
  3d:	0f                   	.byte 0xf
  3e:	85 d6                	test   %edx,%esi

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-386 2022/08/12 23:38 upstream 4a9350597aff 402cd70d .config log report upstream boot error: BUG: unable to handle kernel paging request in ieee80211_register_hw
* Struck through repros no longer work on HEAD.