[syzbot] upstream boot error: general protection fault in rfkill_register

From: syzbot
Date: Tue Aug 16 2022 - 05:56:47 EST

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Hello,

syzbot found the following issue on:

HEAD commit: aea23e7c464b Merge tag 'pull-work.misc' of git://git.kerne..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=108f0c3d080000
kernel config: https://syzkaller.appspot.com/x/.config?x=f6bcb425ba129b87
dashboard link: https://syzkaller.appspot.com/bug?extid=107b23816eb5d622ab66
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+107b23816eb5d622ab66@xxxxxxxxxxxxxxxxxxxxxxxxx

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@xxxxxxxxx>. All Rights Reserved.
eql: Equalizer2002: Simon Janes (simon@xxxxxxx) and David S. Miller (davem@xxxxxxxxxx)
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 0xffff000000000800: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xfff8200000004000-0xfff8200000004007]
CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.19.0-syzkaller-14276-gaea23e7c464b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:freelist_dereference mm/slub.c:347 [inline]
RIP: 0010:get_freepointer mm/slub.c:354 [inline]
RIP: 0010:get_freepointer_safe mm/slub.c:368 [inline]
RIP: 0010:slab_alloc_node mm/slub.c:3211 [inline]
RIP: 0010:slab_alloc mm/slub.c:3251 [inline]
RIP: 0010:kmem_cache_alloc_trace+0x164/0x3e0 mm/slub.c:3282
Code: 8b 51 08 48 8b 01 48 83 79 10 00 48 89 44 24 08 0f 84 bf 01 00 00 48 85 c0 0f 84 b6 01 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 c2 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0
RSP: 0018:ffffc900000676e8 EFLAGS: 00010246
RAX: ffff000000000000 RBX: 0000000000000000 RCX: 0000000000000800
RDX: 0000000000005749 RSI: 0000000000000dc0 RDI: 000000000003dce0
RBP: ffff888011842140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000dc0 R14: 0000000000000a20 R15: 0000000000000dc0
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000350ee0
Call Trace:
<TASK>
kmalloc include/linux/slab.h:600 [inline]
kzalloc include/linux/slab.h:733 [inline]
kobject_uevent_env+0x230/0x1640 lib/kobject_uevent.c:524
device_add+0xb72/0x1e90 drivers/base/core.c:3498
rfkill_register+0x1a5/0xb00 net/rfkill/core.c:1070
wiphy_register+0x2417/0x2a40 net/wireless/core.c:991
ieee80211_register_hw+0x22a3/0x3eb0 net/mac80211/main.c:1379
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:
---[ end trace 0000000000000000 ]---
RIP: 0010:freelist_dereference mm/slub.c:347 [inline]
RIP: 0010:get_freepointer mm/slub.c:354 [inline]
RIP: 0010:get_freepointer_safe mm/slub.c:368 [inline]
RIP: 0010:slab_alloc_node mm/slub.c:3211 [inline]
RIP: 0010:slab_alloc mm/slub.c:3251 [inline]
RIP: 0010:kmem_cache_alloc_trace+0x164/0x3e0 mm/slub.c:3282
Code: 8b 51 08 48 8b 01 48 83 79 10 00 48 89 44 24 08 0f 84 bf 01 00 00 48 85 c0 0f 84 b6 01 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 c2 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0
RSP: 0018:ffffc900000676e8 EFLAGS: 00010246
RAX: ffff000000000000 RBX: 0000000000000000 RCX: 0000000000000800
RDX: 0000000000005749 RSI: 0000000000000dc0 RDI: 000000000003dce0
RBP: ffff888011842140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000dc0 R14: 0000000000000a20 R15: 0000000000000dc0
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 0000000000350ee0
----------------
Code disassembly (best guess):
0: 8b 51 08 mov 0x8(%rcx),%edx
3: 48 8b 01 mov (%rcx),%rax
6: 48 83 79 10 00 cmpq $0x0,0x10(%rcx)
b: 48 89 44 24 08 mov %rax,0x8(%rsp)
10: 0f 84 bf 01 00 00 je 0x1d5
16: 48 85 c0 test %rax,%rax
19: 0f 84 b6 01 00 00 je 0x1d5
1f: 48 8b 7d 00 mov 0x0(%rbp),%rdi
23: 8b 4d 28 mov 0x28(%rbp),%ecx
26: 40 f6 c7 0f test $0xf,%dil
* 2a: 48 8b 1c 08 mov (%rax,%rcx,1),%rbx <-- trapping instruction
2e: 0f 85 c2 01 00 00 jne 0x1f6
34: 48 8d 4a 08 lea 0x8(%rdx),%rcx
38: 65 48 0f c7 0f cmpxchg16b %gs:(%rdi)
3d: 0f 94 c0 sete %al

---
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Next message: Heiko Stübner: "Re: [PATCH 07/12] riscv: dts: allwinner: Add Allwinner D1 Nezha devicetree"
Previous message: Roberto Sassu: "RE: [PATCH v10 5/9] bpf: Add bpf_lookup_*_key() and bpf_key_put() kfuncs"
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