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Message-ID: <00000000000033169005e657a852@google.com>
Date: Tue, 16 Aug 2022 01:37:22 -0700
From: syzbot <syzbot+684d4ca200fda0b2141e@...kaller.appspotmail.com>
To: davem@...emloft.net, edumazet@...gle.com,
johannes@...solutions.net, kuba@...nel.org,
linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
netdev@...r.kernel.org, pabeni@...hat.com,
syzkaller-bugs@...glegroups.com
Subject: [syzbot] upstream boot error: general protection fault in nl80211_put_iface_combinations
Hello,
syzbot found the following issue on:
HEAD commit: 568035b01cfb Linux 6.0-rc1
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=145d8a47080000
kernel config: https://syzkaller.appspot.com/x/.config?x=126b81cc3ce4f07e
dashboard link: https://syzkaller.appspot.com/bug?extid=684d4ca200fda0b2141e
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+684d4ca200fda0b2141e@...kaller.appspotmail.com
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@...c4.com>. All Rights Reserved.
eql: Equalizer2002: Simon Janes (simon@....com) and David S. Miller (davem@...hat.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
general protection fault, probably for non-canonical address 0xffff000000000000: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:nl80211_put_iface_combinations+0x19d/0x4b0 net/wireless/nl80211.c:1632
Code: 00 00 e8 a6 5b 2d fd 48 85 ed 0f 84 d4 00 00 00 e8 98 5b 2d fd 49 8b 06 ba 04 00 00 00 48 89 df 48 8d 4c 24 2c be 01 00 00 00 <42> 0f b7 04 28 89 44 24 2c e8 d5 81 3d fe 31 ff 41 89 c7 89 c6 e8
RSP: 0000:ffffc90000273a50 EFLAGS: 00010293
RAX: ffff000000000000 RBX: ffff888102235800 RCX: ffffc90000273a7c
RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffff888102235800
RBP: ffff88810283494c R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000002f8b8 R12: 0000000000000001
R13: 0000000000000000 R14: ffff888106d14c88 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 0000000005a29000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
nl80211_send_wiphy+0x9b4/0x4170 net/wireless/nl80211.c:2648
nl80211_notify_wiphy+0x8f/0x140 net/wireless/nl80211.c:17164
wiphy_register+0x112f/0x1400 net/wireless/core.c:942
ieee80211_register_hw+0x11c9/0x1590 net/mac80211/main.c:1379
mac80211_hwsim_new_radio+0xc3f/0x1520 drivers/net/wireless/mac80211_hwsim.c:4129
init_mac80211_hwsim+0x43d/0x5ae drivers/net/wireless/mac80211_hwsim.c:5379
do_one_initcall+0x5e/0x2e0 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+0x255/0x2cf init/main.c:1611
kernel_init+0x1a/0x1c0 init/main.c:1500
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:nl80211_put_iface_combinations+0x19d/0x4b0 net/wireless/nl80211.c:1632
Code: 00 00 e8 a6 5b 2d fd 48 85 ed 0f 84 d4 00 00 00 e8 98 5b 2d fd 49 8b 06 ba 04 00 00 00 48 89 df 48 8d 4c 24 2c be 01 00 00 00 <42> 0f b7 04 28 89 44 24 2c e8 d5 81 3d fe 31 ff 41 89 c7 89 c6 e8
RSP: 0000:ffffc90000273a50 EFLAGS: 00010293
RAX: ffff000000000000 RBX: ffff888102235800 RCX: ffffc90000273a7c
RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffff888102235800
RBP: ffff88810283494c R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000002f8b8 R12: 0000000000000001
R13: 0000000000000000 R14: ffff888106d14c88 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 0000000005a29000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: e8 a6 5b 2d fd callq 0xfd2d5bad
7: 48 85 ed test %rbp,%rbp
a: 0f 84 d4 00 00 00 je 0xe4
10: e8 98 5b 2d fd callq 0xfd2d5bad
15: 49 8b 06 mov (%r14),%rax
18: ba 04 00 00 00 mov $0x4,%edx
1d: 48 89 df mov %rbx,%rdi
20: 48 8d 4c 24 2c lea 0x2c(%rsp),%rcx
25: be 01 00 00 00 mov $0x1,%esi
* 2a: 42 0f b7 04 28 movzwl (%rax,%r13,1),%eax <-- trapping instruction
2f: 89 44 24 2c mov %eax,0x2c(%rsp)
33: e8 d5 81 3d fe callq 0xfe3d820d
38: 31 ff xor %edi,%edi
3a: 41 89 c7 mov %eax,%r15d
3d: 89 c6 mov %eax,%esi
3f: e8 .byte 0xe8
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
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