linux-kernel - [syzbot] WARNING: `SYZ.NUM.NUM' USES NUM-BIT CAPABILITIES (LEGACY SUPPORT IN USE)

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Message-ID: <67516685.050a0220.17bd51.008c.GAE@google.com>
Date: Thu, 05 Dec 2024 00:38:29 -0800
From: syzbot <syzbot+b3c08bda38b11fb7a6a0@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] WARNING: `SYZ.NUM.NUM' USES NUM-BIT CAPABILITIES (LEGACY
 SUPPORT IN USE)

Hello,

syzbot found the following issue on:

HEAD commit:    feffde684ac2 Merge tag 'for-6.13-rc1-tag' of git://git.ker..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=125da330580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=6851fe4f61792030
dashboard link: https://syzkaller.appspot.com/bug?extid=b3c08bda38b11fb7a6a0
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-feffde68.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/e9751e7030ea/vmlinux-feffde68.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f7bf928b44d6/bzImage-feffde68.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b3c08bda38b11fb7a6a0@...kaller.appspotmail.com

DEC  4 15:29:08 SYZKALLER KERN.INFO KERNEL: [   77.863093][    T8] IPVS: STARTING ESTIMATOR THREAD 0...
DEC  4 15:29:08 SYZKALLER KERN.INFO KERNEL: [   77.897775][ T8011] CAPABILITY: WARNING: `SYZ.2.644' USES 32-BIT CAPABILITIES (LEGACY SUPPORT IN USE)
DEC  4 15:29:08 SYZKALLER KERN.INFO KERNEL: [   77.956610][ T8007] IPVS: USING MAX 39 ESTS PER CHAIN, 93600 PER KTHREAD
DEC  4 15:29:09 SYZKALLER KERN.WARN KERNEL: [   77.991570][ T8023] SELINUX: UNRECOGNIZED NETLINK MESSAGE: PROTOCOL=0 NLMSG_TYPE=0 SCLASS=NETLINK_ROUTE_SOCKET PID=8023 COMM=SYZ.0.647
DEC  4 15:29:14 SYZKALLER DAEMON.ERR DHCPCD[8024]: PS_BPF_START_BPF: BPF_OPEN: INVALID ARGUMENT
DEC  4 15:29:14 SYZKALLER DAEMON.ERR DHCPCD[8024]: PS_ROOT_RECVMSG: INVALID ARGUMENT
DEC  4 15:29:14 SYZKALLER KERN.WARN KERNEL: [   83.080206][   T39] KAUDITD_PRINTK_SKB: 1103 CALLBACKS SUPPRESSED
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.080219][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.083:3132): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.105246][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.103:3133): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.124798][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.123:3134): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.147813][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.143:3135): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.196065][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.193:3136): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.239782][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.243:3137): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.291565][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.293:3138): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.332978][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.333:3139): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.373209][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.373:3140): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:14 SYZKALLER KERN.NOTICE KERNEL: [   83.411641][   T39] AUDIT: TYPE=1400 AUDIT(1733326154.413:3141): AVC:  DENIED  { READ } FOR  PID=5331 COMM="SYSLOGD" NAME="LOG" DEV="SDA1" INO=1915 SCONTEXT=SYSTEM_U:SYSTEM_R:SYSLOGD_T TCONTEXT=SYSTEM_U:OBJECT_R:VAR_T TCLASS=
DEC  4 15:29:15 SYZKALLER DAEMON.ERR DHCPCD[8025]: PS_BPF_START_BPF: BPF_OPEN: INVALID ARGUMENT
DEC  4 15:29:15 SYZKALLER DAEMON.ERR DHCPCD[8025]: PS_ROOT_RECVMSG: INVALID ARGUMENT
DEC  4 15:29:16 SYZKALLER DAEMON.ERR DHCPCD[8026]: PS_BPF_START_BPF: BPF_OPEN: INVALID ARGUMENT
DEC  4 15:29:16 SYZKALLER DAEMON.ERR DHCPCD[8026]: PS_ROOT_RECVMSG: INVALID ARGUMENT
DEC  4 15:29:17 SYZKALLER DAEMON.ERR DHCPCD[8027]: PS_BPF_START_BPF: BPF_OPEN: INVALID ARGUMENT
DEC  4 15:29:17 SYZKALLER DAEMON.ERR DHCPCD[8027]: PS_ROOT_RECVMSG: INVALID ARGUMENT
DEC  4 15:29:17 SYZKALLER DAEMON.ERR DHCPCD[8028]: PS_BPF_START_BPF: BPF_OPEN: INVALID ARGUMENT
DEC  4 15:29:17 SYZKALLER DAEMON.ERR DHCPCD[8028]: PS_ROOT_RECVMSG: INVALID ARGUMENT
DEC  4 15:29:17 SYZKALLER DAEMON.ERR DHCPCD[8029]: PS_BPF_START_BPF: BPF_OPEN: INVALID ARGUMENT
DEC  4 15:29:17 SYZKALLER DAEMON.ERR DHCPCD[8029]: PS_ROOT_RECVMSG: INVALID ARGUMENT
DEC  4 15:29:17 SYZKALLER DAEMON.ERR DHCPCD[8030]: PS_BPF_START_BPF: BPF_OPEN: INVALID ARGUMENT
DEC  4 15:29:17 SYZKALLER DAEMON.ERR DHCPCD[8030]: PS_ROOT_RECVMSG: INVALID ARGUMENT


---
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