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Message-ID: <0000000000004701b205e657b773@google.com>
Date: Tue, 16 Aug 2022 01:41:34 -0700
From: syzbot <syzbot+83174867af1448d2e62b@...kaller.appspotmail.com>
To: gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
llvm@...ts.linux.dev, rafael@...nel.org,
syzkaller-bugs@...glegroups.com
Subject: [syzbot] upstream boot error: general protection fault in device_create
Hello,
syzbot found the following issue on:
HEAD commit: 6c833c0581f1 Merge tag 'devicetree-fixes-for-6.0-1' of git..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=138a2f05080000
kernel config: https://syzkaller.appspot.com/x/.config?x=f83c035536d7b2e3
dashboard link: https://syzkaller.appspot.com/bug?extid=83174867af1448d2e62b
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, 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+83174867af1448d2e62b@...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 0xffff000100000400: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xfff8200800002000-0xfff8200800002007]
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-syzkaller-14135-g6c833c0581f1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:slab_alloc mm/slub.c:3251 [inline]
RIP: 0010:kmem_cache_alloc_trace+0x172/0x310 mm/slub.c:3282
Code: 84 d9 00 00 00 48 83 78 10 00 0f 84 ce 00 00 00 49 8b 2e 40 f6 c5 0f 0f 85 9f 01 00 00 40 84 ff 0f 84 98 01 00 00 41 8b 46 28 <49> 8b 5c 05 00 48 8d 4a 08 4c 89 e8 65 48 0f c7 4d 00 0f 94 c0 a8
RSP: 0000:ffffc900000678c0 EFLAGS: 00010202
RAX: 0000000000000400 RBX: 0000000000000dc0 RCX: 0000000000000000
RDX: 0000000000001ff8 RSI: 0000000000000dc0 RDI: ffff888012042001
RBP: 000000000003d910 R08: dffffc0000000000 R09: fffffbfff1c4ad5e
R10: fffffbfff1c4ad5e R11: 1ffffffff1c4ad5d R12: 0000000000000468
R13: ffff000100000000 R14: ffff888012042000 R15: 0000000000000dc0
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 000000000ca8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
kmalloc include/linux/slab.h:600 [inline]
kzalloc include/linux/slab.h:733 [inline]
device_create_groups_vargs drivers/base/core.c:4176 [inline]
device_create+0x11d/0x2e0 drivers/base/core.c:4236
mac80211_hwsim_new_radio+0x34f/0x3de0 drivers/net/wireless/mac80211_hwsim.c:3821
init_mac80211_hwsim+0x7b8/0xa08 drivers/net/wireless/mac80211_hwsim.c:5379
do_one_initcall+0xbd/0x2b0 init/main.c:1296
do_initcall_level+0x168/0x218 init/main.c:1369
do_initcalls+0x4b/0x8c init/main.c:1385
kernel_init_freeable+0x43a/0x5c3 init/main.c:1611
kernel_init+0x19/0x2b0 init/main.c:1500
ret_from_fork+0x1f/0x30
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:slab_alloc mm/slub.c:3251 [inline]
RIP: 0010:kmem_cache_alloc_trace+0x172/0x310 mm/slub.c:3282
Code: 84 d9 00 00 00 48 83 78 10 00 0f 84 ce 00 00 00 49 8b 2e 40 f6 c5 0f 0f 85 9f 01 00 00 40 84 ff 0f 84 98 01 00 00 41 8b 46 28 <49> 8b 5c 05 00 48 8d 4a 08 4c 89 e8 65 48 0f c7 4d 00 0f 94 c0 a8
RSP: 0000:ffffc900000678c0 EFLAGS: 00010202
RAX: 0000000000000400 RBX: 0000000000000dc0 RCX: 0000000000000000
RDX: 0000000000001ff8 RSI: 0000000000000dc0 RDI: ffff888012042001
RBP: 000000000003d910 R08: dffffc0000000000 R09: fffffbfff1c4ad5e
R10: fffffbfff1c4ad5e R11: 1ffffffff1c4ad5d R12: 0000000000000468
R13: ffff000100000000 R14: ffff888012042000 R15: 0000000000000dc0
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000ca8e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 84 d9 test %bl,%cl
2: 00 00 add %al,(%rax)
4: 00 48 83 add %cl,-0x7d(%rax)
7: 78 10 js 0x19
9: 00 0f add %cl,(%rdi)
b: 84 ce test %cl,%dh
d: 00 00 add %al,(%rax)
f: 00 49 8b add %cl,-0x75(%rcx)
12: 2e 40 f6 c5 0f cs test $0xf,%bpl
17: 0f 85 9f 01 00 00 jne 0x1bc
1d: 40 84 ff test %dil,%dil
20: 0f 84 98 01 00 00 je 0x1be
26: 41 8b 46 28 mov 0x28(%r14),%eax
* 2a: 49 8b 5c 05 00 mov 0x0(%r13,%rax,1),%rbx <-- trapping instruction
2f: 48 8d 4a 08 lea 0x8(%rdx),%rcx
33: 4c 89 e8 mov %r13,%rax
36: 65 48 0f c7 4d 00 cmpxchg16b %gs:0x0(%rbp)
3c: 0f 94 c0 sete %al
3f: a8 .byte 0xa8
---
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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