* [syzbot] [hfs?] memory leak in hfsplus_init_fs_context
@ 2025-12-05 5:38 syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-05 5:38 UTC (permalink / raw)
To: frank.li, glaubitz, linux-fsdevel, linux-kernel, slava,
syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: e69c7c175115 Merge tag 'timers_urgent_for_v6.18_rc8' of gi..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=116ffcb4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=f30cc590c4f6da44
dashboard link: https://syzkaller.appspot.com/bug?extid=99f6ed51479b86ac4c41
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10eef912580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1534c192580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/e1758d9b5b79/disk-e69c7c17.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/772ec0d0a545/vmlinux-e69c7c17.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d905337ef02b/bzImage-e69c7c17.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/65bc76439748/mount_4.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+99f6ed51479b86ac4c41@syzkaller.appspotmail.com
BUG: memory leak
unreferenced object 0xffff8881287f8a00 (size 512):
comm "syz.0.17", pid 6072, jiffies 4294944858
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc aaf4239b):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4983 [inline]
slab_alloc_node mm/slub.c:5288 [inline]
__kmalloc_cache_noprof+0x3a6/0x5b0 mm/slub.c:5766
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
hfsplus_init_fs_context+0x26/0x90 fs/hfsplus/super.c:678
alloc_fs_context+0x214/0x430 fs/fs_context.c:315
do_new_mount fs/namespace.c:3698 [inline]
path_mount+0x93c/0x12e0 fs/namespace.c:4028
do_mount fs/namespace.c:4041 [inline]
__do_sys_mount fs/namespace.c:4229 [inline]
__se_sys_mount fs/namespace.c:4206 [inline]
__x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4206
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff8881287f9a00 (size 512):
comm "syz.0.18", pid 6078, jiffies 4294944862
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc aaf4239b):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4983 [inline]
slab_alloc_node mm/slub.c:5288 [inline]
__kmalloc_cache_noprof+0x3a6/0x5b0 mm/slub.c:5766
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
hfsplus_init_fs_context+0x26/0x90 fs/hfsplus/super.c:678
alloc_fs_context+0x214/0x430 fs/fs_context.c:315
do_new_mount fs/namespace.c:3698 [inline]
path_mount+0x93c/0x12e0 fs/namespace.c:4028
do_mount fs/namespace.c:4041 [inline]
__do_sys_mount fs/namespace.c:4229 [inline]
__se_sys_mount fs/namespace.c:4206 [inline]
__x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4206
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff8881287f9c00 (size 512):
comm "syz.0.19", pid 6079, jiffies 4294944864
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc aaf4239b):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4983 [inline]
slab_alloc_node mm/slub.c:5288 [inline]
__kmalloc_cache_noprof+0x3a6/0x5b0 mm/slub.c:5766
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
hfsplus_init_fs_context+0x26/0x90 fs/hfsplus/super.c:678
alloc_fs_context+0x214/0x430 fs/fs_context.c:315
do_new_mount fs/namespace.c:3698 [inline]
path_mount+0x93c/0x12e0 fs/namespace.c:4028
do_mount fs/namespace.c:4041 [inline]
__do_sys_mount fs/namespace.c:4229 [inline]
__se_sys_mount fs/namespace.c:4206 [inline]
__x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4206
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xa4/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF
---
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@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [hfs?] memory leak in hfsplus_init_fs_context
[not found] <20251205062813.1398599-1-kartikey406@gmail.com>
@ 2025-12-05 7:44 ` syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-05 7:44 UTC (permalink / raw)
To: kartikey406, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
SYZFAIL: failed to recv rpc
SYZFAIL: failed to recv rpc
Warning: Permanently added '10.128.1.150' (ED25519) to the list of known hosts.
2025/12/05 07:43:31 parsed 1 programs
[ 44.042808][ T5812] cgroup: Unknown subsys name 'net'
[ 44.127074][ T5812] cgroup: Unknown subsys name 'cpuset'
[ 44.133650][ T5812] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 52.645880][ T5812] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 54.143312][ T5821] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 54.299791][ T133] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 54.309905][ T133] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 54.320511][ T62] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 54.328915][ T62] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 54.497265][ T50] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 54.504519][ T50] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 54.511943][ T50] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 54.525287][ T50] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 54.532574][ T50] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 54.725582][ T5877] chnl_net:caif_netlink_parms(): no params data found
[ 54.747201][ T5877] bridge0: port 1(bridge_slave_0) entered blocking state
[ 54.754361][ T5877] bridge0: port 1(bridge_slave_0) entered disabled state
[ 54.762220][ T5877] bridge_slave_0: entered allmulticast mode
[ 54.768738][ T5877] bridge_slave_0: entered promiscuous mode
[ 54.775347][ T5877] bridge0: port 2(bridge_slave_1) entered blocking state
[ 54.782475][ T5877] bridge0: port 2(bridge_slave_1) entered disabled state
[ 54.789704][ T5877] bridge_slave_1: entered allmulticast mode
[ 54.796084][ T5877] bridge_slave_1: entered promiscuous mode
[ 54.818263][ T5877] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 54.828255][ T5877] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 54.841814][ T5877] team0: Port device team_slave_0 added
[ 54.848131][ T5877] team0: Port device team_slave_1 added
[ 54.859765][ T5877] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 54.867269][ T5877] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 54.895194][ T5877] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 54.906753][ T5877] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 54.913711][ T5877] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 54.940364][ T5877] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 54.959931][ T5877] hsr_slave_0: entered promiscuous mode
[ 54.966029][ T5877] hsr_slave_1: entered promiscuous mode
[ 55.003186][ T5877] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 55.011384][ T5877] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 55.019230][ T5877] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 55.027232][ T5877] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 55.039665][ T5877] bridge0: port 2(bridge_slave_1) entered blocking state
[ 55.046885][ T5877] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 55.054350][ T5877] bridge0: port 1(bridge_slave_0) entered blocking state
[ 55.061870][ T5877] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 55.080653][ T5877] 8021q: adding VLAN 0 to HW filter on device bond0
[ 55.090452][ T133] bridge0: port 1(bridge_slave_0) entered disabled state
[ 55.098390][ T133] bridge0: port 2(bridge_slave_1) entered disabled state
[ 55.108313][ T5877] 8021q: adding VLAN 0 to HW filter on device team0
[ 55.117493][ T133] bridge0: port 1(bridge_slave_0) entered blocking state
[ 55.124594][ T133] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 55.133971][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 55.141600][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 55.186705][ T5877] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 55.202568][ T5877] veth0_vlan: entered promiscuous mode
[ 55.209710][ T5877] veth1_vlan: entered promiscuous mode
[ 55.221357][ T5877] veth0_macvtap: entered promiscuous mode
[ 55.228585][ T5877] veth1_macvtap: entered promiscuous mode
[ 55.237919][ T5877] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 55.248299][ T5877] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 55.257538][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 55.266627][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 55.275497][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 55.284859][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 55.320966][ T62] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 55.369319][ T62] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 55.447100][ T62] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 55.467896][ T62] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2025/12/05 07:43:45 executed programs: 0
[ 58.410697][ T62] bridge_slave_1: left allmulticast mode
[ 58.416833][ T62] bridge_slave_1: left promiscuous mode
[ 58.422540][ T62] bridge0: port 2(bridge_slave_1) entered disabled state
[ 58.431389][ T62] bridge_slave_0: left allmulticast mode
[ 58.437607][ T62] bridge_slave_0: left promiscuous mode
[ 58.443411][ T62] bridge0: port 1(bridge_slave_0) entered disabled state
[ 58.509109][ T62] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 58.518647][ T62] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 58.528253][ T62] bond0 (unregistering): Released all slaves
[ 58.608647][ T62] hsr_slave_0: left promiscuous mode
[ 58.614815][ T62] hsr_slave_1: left promiscuous mode
[ 58.621461][ T62] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 58.629526][ T62] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 58.637346][ T62] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 58.644977][ T62] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 58.653724][ T62] veth1_macvtap: left promiscuous mode
[ 58.659468][ T62] veth0_macvtap: left promiscuous mode
[ 58.665187][ T62] veth1_vlan: left promiscuous mode
[ 58.670728][ T62] veth0_vlan: left promiscuous mode
[ 58.701020][ T62] team0 (unregistering): Port device team_slave_1 removed
[ 58.709272][ T62] team0 (unregistering): Port device team_slave_0 removed
[ 61.343108][ T5134] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 61.350405][ T5134] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 61.357820][ T5134] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 61.365394][ T5134] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 61.373014][ T5134] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 61.410932][ T5987] chnl_net:caif_netlink_parms(): no params data found
[ 61.431401][ T5987] bridge0: port 1(bridge_slave_0) entered blocking state
[ 61.438773][ T5987] bridge0: port 1(bridge_slave_0) entered disabled state
[ 61.446357][ T5987] bridge_slave_0: entered allmulticast mode
[ 61.452606][ T5987] bridge_slave_0: entered promiscuous mode
[ 61.459577][ T5987] bridge0: port 2(bridge_slave_1) entered blocking state
[ 61.466850][ T5987] bridge0: port 2(bridge_slave_1) entered disabled state
[ 61.474214][ T5987] bridge_slave_1: entered allmulticast mode
[ 61.480620][ T5987] bridge_slave_1: entered promiscuous mode
[ 61.492762][ T5987] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 61.502926][ T5987] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 61.517255][ T5987] team0: Port device team_slave_0 added
[ 61.523465][ T5987] team0: Port device team_slave_1 added
[ 61.533816][ T5987] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 61.541096][ T5987] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 61.568438][ T5987] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 61.579932][ T5987] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 61.586999][ T5987] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 61.613994][ T5987] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 61.631616][ T5987] hsr_slave_0: entered promiscuous mode
[ 61.637415][ T5987] hsr_slave_1: entered promiscuous mode
[ 61.807060][ T5987] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 61.815018][ T5987] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 61.823175][ T5987] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 61.831557][ T5987] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 61.852955][ T5987] bridge0: port 2(bridge_slave_1) entered blocking state
[ 61.860270][ T5987] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 61.867863][ T5987] bridge0: port 1(bridge_slave_0) entered blocking state
[ 61.875026][ T5987] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 61.898612][ T5987] 8021q: adding VLAN 0 to HW filter on device bond0
[ 61.909150][ T12] bridge0: port 1(bridge_slave_0) entered disabled state
[ 61.917188][ T12] bridge0: port 2(bridge_slave_1) entered disabled state
[ 61.927534][ T5987] 8021q: adding VLAN 0 to HW filter on device team0
[ 61.938143][ T58] bridge0: port 1(bridge_slave_0) entered blocking state
[ 61.945307][ T58] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 61.958922][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 61.966035][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 61.982882][ T5987] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 61.994284][ T5987] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 62.053394][ T5987] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 62.072926][ T5987] veth0_vlan: entered promiscuous mode
[ 62.081131][ T5987] veth1_vlan: entered promiscuous mode
[ 62.095259][ T5987] veth0_macvtap: entered promiscuous mode
[ 62.103071][ T5987] veth1_macvtap: entered promiscuous mode
[ 62.114171][ T5987] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 62.124750][ T5987] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 62.135106][ T58] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 62.148659][ T58] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 62.160564][ T58] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 62.181317][ T58] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 62.191067][ T62] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
SYZFAIL: failed to recv rpc
[ 62.202944][ T62] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 62.215016][ T58] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 62.223739][ T58] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
syzkaller build log:
go env (err=<nil>)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build282997806=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'
git status (err=<nil>)
HEAD detached at d6526ea3e6
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\"
/usr/bin/ld: /tmp/ccoqPmtJ.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
./tools/check-syzos.sh 2>/dev/null
Tested on:
commit: 2061f18a Merge tag 'caps-pr-20251204' of git://git.ker..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=4ec6d85125e91f07
dashboard link: https://syzkaller.appspot.com/bug?extid=99f6ed51479b86ac4c41
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1497b01a580000
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [hfs?] memory leak in hfsplus_init_fs_context
[not found] <20251205075055.1400638-1-kartikey406@gmail.com>
@ 2025-12-05 8:41 ` syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-05 8:41 UTC (permalink / raw)
To: kartikey406, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
SYZFAIL: failed to recv rpc
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
Warning: Permanently added '10.128.10.19' (ED25519) to the list of known hosts.
2025/12/05 08:40:16 parsed 1 programs
[ 41.176746][ T5819] cgroup: Unknown subsys name 'net'
[ 41.281133][ T5819] cgroup: Unknown subsys name 'cpuset'
[ 41.287826][ T5819] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 49.291292][ T5819] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 50.564658][ T5831] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 50.685574][ T5838] chnl_net:caif_netlink_parms(): no params data found
[ 50.718744][ T5838] bridge0: port 1(bridge_slave_0) entered blocking state
[ 50.726547][ T5838] bridge0: port 1(bridge_slave_0) entered disabled state
[ 50.733855][ T5838] bridge_slave_0: entered allmulticast mode
[ 50.740422][ T5838] bridge_slave_0: entered promiscuous mode
[ 50.749111][ T5838] bridge0: port 2(bridge_slave_1) entered blocking state
[ 50.756705][ T5838] bridge0: port 2(bridge_slave_1) entered disabled state
[ 50.763860][ T5838] bridge_slave_1: entered allmulticast mode
[ 50.770087][ T5838] bridge_slave_1: entered promiscuous mode
[ 50.781997][ T5838] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 50.792353][ T5838] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 50.806088][ T5838] team0: Port device team_slave_0 added
[ 50.812289][ T5838] team0: Port device team_slave_1 added
[ 50.821770][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 50.828751][ T5838] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 50.854896][ T5838] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 50.865811][ T5838] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 50.872758][ T5838] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 50.898803][ T5838] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 50.915511][ T5838] hsr_slave_0: entered promiscuous mode
[ 50.921517][ T5838] hsr_slave_1: entered promiscuous mode
[ 50.950832][ T5838] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 50.958488][ T5838] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 50.966517][ T5838] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 50.974219][ T5838] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 50.985730][ T5838] bridge0: port 2(bridge_slave_1) entered blocking state
[ 50.992793][ T5838] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 51.000070][ T5838] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.007177][ T5838] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 51.024053][ T5838] 8021q: adding VLAN 0 to HW filter on device bond0
[ 51.032907][ T2111] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.040759][ T2111] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.050315][ T5838] 8021q: adding VLAN 0 to HW filter on device team0
[ 51.059034][ T3542] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.066108][ T3542] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 51.075368][ T3868] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.082540][ T3868] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 51.123151][ T5838] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 51.138305][ T5838] veth0_vlan: entered promiscuous mode
[ 51.145381][ T5838] veth1_vlan: entered promiscuous mode
[ 51.156259][ T5838] veth0_macvtap: entered promiscuous mode
[ 51.163077][ T5838] veth1_macvtap: entered promiscuous mode
[ 51.172007][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 51.181101][ T5838] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 51.189797][ T3529] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.198817][ T3529] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.208219][ T3529] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.217671][ T3529] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 51.268245][ T3529] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 51.303208][ T3529] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 51.341444][ T3529] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 51.383323][ T3529] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 51.595715][ T3542] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 51.604091][ T3542] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 51.614717][ T2111] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 51.622702][ T2111] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 51.649068][ T5908] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 51.656254][ T5908] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 51.664039][ T5908] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 51.671332][ T5908] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 51.678641][ T5908] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
2025/12/05 08:40:28 executed programs: 0
[ 54.510958][ T3529] bridge_slave_1: left allmulticast mode
[ 54.516655][ T3529] bridge_slave_1: left promiscuous mode
[ 54.522645][ T3529] bridge0: port 2(bridge_slave_1) entered disabled state
[ 54.530202][ T3529] bridge_slave_0: left allmulticast mode
[ 54.535912][ T3529] bridge_slave_0: left promiscuous mode
[ 54.541823][ T3529] bridge0: port 1(bridge_slave_0) entered disabled state
[ 54.582118][ T3529] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 54.591202][ T3529] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 54.600240][ T3529] bond0 (unregistering): Released all slaves
[ 54.661835][ T3529] hsr_slave_0: left promiscuous mode
[ 54.667972][ T3529] hsr_slave_1: left promiscuous mode
[ 54.673755][ T3529] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 54.681245][ T3529] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 54.688729][ T3529] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 54.696292][ T3529] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 54.704768][ T3529] veth1_macvtap: left promiscuous mode
[ 54.710447][ T3529] veth0_macvtap: left promiscuous mode
[ 54.715978][ T3529] veth1_vlan: left promiscuous mode
[ 54.721580][ T3529] veth0_vlan: left promiscuous mode
[ 54.744259][ T3529] team0 (unregistering): Port device team_slave_1 removed
[ 54.752630][ T3529] team0 (unregistering): Port device team_slave_0 removed
[ 57.411203][ T51] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 57.418346][ T51] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 57.425415][ T51] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 57.433086][ T51] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 57.440536][ T51] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 57.474037][ T5993] chnl_net:caif_netlink_parms(): no params data found
[ 57.492366][ T5993] bridge0: port 1(bridge_slave_0) entered blocking state
[ 57.499723][ T5993] bridge0: port 1(bridge_slave_0) entered disabled state
[ 57.507823][ T5993] bridge_slave_0: entered allmulticast mode
[ 57.514155][ T5993] bridge_slave_0: entered promiscuous mode
[ 57.520849][ T5993] bridge0: port 2(bridge_slave_1) entered blocking state
[ 57.527889][ T5993] bridge0: port 2(bridge_slave_1) entered disabled state
[ 57.535162][ T5993] bridge_slave_1: entered allmulticast mode
[ 57.541464][ T5993] bridge_slave_1: entered promiscuous mode
[ 57.552191][ T5993] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 57.562247][ T5993] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 57.576766][ T5993] team0: Port device team_slave_0 added
[ 57.583104][ T5993] team0: Port device team_slave_1 added
[ 57.592907][ T5993] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 57.599848][ T5993] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 57.626033][ T5993] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 57.637216][ T5993] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 57.644351][ T5993] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 57.670791][ T5993] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 57.687439][ T5993] hsr_slave_0: entered promiscuous mode
[ 57.693446][ T5993] hsr_slave_1: entered promiscuous mode
[ 57.886946][ T5993] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 57.895586][ T5993] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 57.903836][ T5993] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 57.912030][ T5993] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 57.931197][ T5993] bridge0: port 2(bridge_slave_1) entered blocking state
[ 57.938362][ T5993] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 57.945648][ T5993] bridge0: port 1(bridge_slave_0) entered blocking state
[ 57.952803][ T5993] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 57.973507][ T5993] 8021q: adding VLAN 0 to HW filter on device bond0
[ 57.982871][ T31] bridge0: port 1(bridge_slave_0) entered disabled state
[ 57.990406][ T31] bridge0: port 2(bridge_slave_1) entered disabled state
[ 58.000894][ T5993] 8021q: adding VLAN 0 to HW filter on device team0
[ 58.009845][ T31] bridge0: port 1(bridge_slave_0) entered blocking state
[ 58.016912][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 58.026584][ T31] bridge0: port 2(bridge_slave_1) entered blocking state
[ 58.033639][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 58.087594][ T5993] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 58.105504][ T5993] veth0_vlan: entered promiscuous mode
[ 58.113086][ T5993] veth1_vlan: entered promiscuous mode
[ 58.126723][ T5993] veth0_macvtap: entered promiscuous mode
[ 58.133631][ T5993] veth1_macvtap: entered promiscuous mode
[ 58.142945][ T5993] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 58.152148][ T5993] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 58.161440][ T3542] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 58.173806][ T3542] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 58.183259][ T3542] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 58.193398][ T3542] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 58.217473][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 58.228888][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
[ 58.240775][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 58.249148][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
syzkaller build log:
go env (err=<nil>)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2391967220=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'
git status (err=<nil>)
HEAD detached at d6526ea3e6
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\"
/usr/bin/ld: /tmp/ccdO0wGA.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
./tools/check-syzos.sh 2>/dev/null
Tested on:
commit: 2061f18a Merge tag 'caps-pr-20251204' of git://git.ker..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=4ec6d85125e91f07
dashboard link: https://syzkaller.appspot.com/bug?extid=99f6ed51479b86ac4c41
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=1715bcc2580000
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [hfs?] memory leak in hfsplus_init_fs_context
[not found] <20251205124309.1754872-1-kartikey406@gmail.com>
@ 2025-12-05 13:43 ` syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-05 13:43 UTC (permalink / raw)
To: kartikey406, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in hfsplus_init_fs_context
BUG: memory leak
unreferenced object 0xffff888128616800 (size 512):
comm "syz.0.17", pid 6730, jiffies 4294947750
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 8418e967):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
__kmalloc_cache_noprof+0x3a6/0x570 mm/slub.c:5766
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
hfsplus_init_fs_context+0x26/0x90 fs/hfsplus/super.c:700
alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
do_new_mount fs/namespace.c:3692 [inline]
path_mount+0x93f/0x1320 fs/namespace.c:4022
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount fs/namespace.c:4201 [inline]
__x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff888128617600 (size 512):
comm "syz.0.18", pid 6734, jiffies 4294947753
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 8418e967):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
__kmalloc_cache_noprof+0x3a6/0x570 mm/slub.c:5766
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
hfsplus_init_fs_context+0x26/0x90 fs/hfsplus/super.c:700
alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
do_new_mount fs/namespace.c:3692 [inline]
path_mount+0x93f/0x1320 fs/namespace.c:4022
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount fs/namespace.c:4201 [inline]
__x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff8881274f3800 (size 512):
comm "syz.0.19", pid 6739, jiffies 4294947757
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 8418e967):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
__kmalloc_cache_noprof+0x3a6/0x570 mm/slub.c:5766
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
hfsplus_init_fs_context+0x26/0x90 fs/hfsplus/super.c:700
alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
do_new_mount fs/namespace.c:3692 [inline]
path_mount+0x93f/0x1320 fs/namespace.c:4022
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount fs/namespace.c:4201 [inline]
__x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF
Tested on:
commit: 2061f18a Merge tag 'caps-pr-20251204' of git://git.ker..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=15e6c41a580000
kernel config: https://syzkaller.appspot.com/x/.config?x=4ec6d85125e91f07
dashboard link: https://syzkaller.appspot.com/bug?extid=99f6ed51479b86ac4c41
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=10b2c41a580000
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [hfs?] memory leak in hfsplus_init_fs_context
[not found] <20251205144843.1757055-1-kartikey406@gmail.com>
@ 2025-12-05 15:04 ` syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-05 15:04 UTC (permalink / raw)
To: kartikey406, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch but the reproducer is still triggering an issue:
memory leak in hfsplus_init_fs_context
BUG: memory leak
unreferenced object 0xffff888112296400 (size 512):
comm "syz.0.17", pid 6722, jiffies 4294946670
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 8418e967):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
__kmalloc_cache_noprof+0x3a6/0x570 mm/slub.c:5766
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
hfsplus_init_fs_context+0x26/0x90 fs/hfsplus/super.c:701
alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
do_new_mount fs/namespace.c:3692 [inline]
path_mount+0x93f/0x1320 fs/namespace.c:4022
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount fs/namespace.c:4201 [inline]
__x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff888109a34400 (size 512):
comm "syz.0.18", pid 6729, jiffies 4294946674
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 8418e967):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
__kmalloc_cache_noprof+0x3a6/0x570 mm/slub.c:5766
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
hfsplus_init_fs_context+0x26/0x90 fs/hfsplus/super.c:701
alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
do_new_mount fs/namespace.c:3692 [inline]
path_mount+0x93f/0x1320 fs/namespace.c:4022
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount fs/namespace.c:4201 [inline]
__x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
BUG: memory leak
unreferenced object 0xffff888109a34a00 (size 512):
comm "syz.0.19", pid 6732, jiffies 4294946677
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 8418e967):
kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
slab_post_alloc_hook mm/slub.c:4953 [inline]
slab_alloc_node mm/slub.c:5258 [inline]
__kmalloc_cache_noprof+0x3a6/0x570 mm/slub.c:5766
kmalloc_noprof include/linux/slab.h:957 [inline]
kzalloc_noprof include/linux/slab.h:1094 [inline]
hfsplus_init_fs_context+0x26/0x90 fs/hfsplus/super.c:701
alloc_fs_context+0x2a0/0x6e0 fs/fs_context.c:315
do_new_mount fs/namespace.c:3692 [inline]
path_mount+0x93f/0x1320 fs/namespace.c:4022
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount fs/namespace.c:4201 [inline]
__x64_sys_mount+0x1a2/0x1e0 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF
Tested on:
commit: 2061f18a Merge tag 'caps-pr-20251204' of git://git.ker..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=16b1c41a580000
kernel config: https://syzkaller.appspot.com/x/.config?x=4ec6d85125e91f07
dashboard link: https://syzkaller.appspot.com/bug?extid=99f6ed51479b86ac4c41
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=10e25ab4580000
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [syzbot] [hfs?] memory leak in hfsplus_init_fs_context
2025-12-06 0:09 [PATCH v1] hfsplus: fix memory leak on mount failure Swaraj Gaikwad
@ 2025-12-05 19:06 ` syzbot
0 siblings, 0 replies; 6+ messages in thread
From: syzbot @ 2025-12-05 19:06 UTC (permalink / raw)
To: david.hunter.linux, frank.li, glaubitz, linux-fsdevel,
linux-kernel, skhan, slava, swarajgaikwad1925, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
SYZFAIL: failed to recv rpc
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
Warning: Permanently added '10.128.0.245' (ED25519) to the list of known hosts.
2025/12/05 19:05:15 parsed 1 programs
[ 55.119214][ T5818] cgroup: Unknown subsys name 'net'
[ 55.259974][ T5818] cgroup: Unknown subsys name 'cpuset'
[ 55.266582][ T5818] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[ 63.696572][ T5818] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 65.016628][ T5828] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[ 65.422993][ T5880] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 65.430458][ T5880] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 65.437558][ T5880] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 65.445167][ T5880] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 65.452744][ T5880] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 65.561974][ T5890] chnl_net:caif_netlink_parms(): no params data found
[ 65.584453][ T5890] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.591882][ T5890] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.599824][ T5890] bridge_slave_0: entered allmulticast mode
[ 65.606225][ T5890] bridge_slave_0: entered promiscuous mode
[ 65.612881][ T5890] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.619978][ T5890] bridge0: port 2(bridge_slave_1) entered disabled state
[ 65.627492][ T5890] bridge_slave_1: entered allmulticast mode
[ 65.634027][ T5890] bridge_slave_1: entered promiscuous mode
[ 65.645743][ T5890] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 65.655760][ T5890] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 65.669914][ T5890] team0: Port device team_slave_0 added
[ 65.676301][ T5890] team0: Port device team_slave_1 added
[ 65.686571][ T5890] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 65.693917][ T5890] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 65.720230][ T5890] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 65.731988][ T5890] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 65.739356][ T5890] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 65.766444][ T5890] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 65.787487][ T5890] hsr_slave_0: entered promiscuous mode
[ 65.793267][ T5890] hsr_slave_1: entered promiscuous mode
[ 65.822570][ T5890] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 65.830459][ T5890] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 65.838351][ T5890] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 65.846563][ T5890] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 65.860377][ T5890] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.867973][ T5890] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 65.875564][ T5890] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.882626][ T5890] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 65.899327][ T5890] 8021q: adding VLAN 0 to HW filter on device bond0
[ 65.908810][ T65] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.916368][ T65] bridge0: port 2(bridge_slave_1) entered disabled state
[ 65.926332][ T5890] 8021q: adding VLAN 0 to HW filter on device team0
[ 65.935247][ T55] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.942415][ T55] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 65.952498][ T55] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.959571][ T55] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 66.001572][ T5890] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 66.016258][ T5890] veth0_vlan: entered promiscuous mode
[ 66.023938][ T5890] veth1_vlan: entered promiscuous mode
[ 66.035919][ T5890] veth0_macvtap: entered promiscuous mode
[ 66.043178][ T5890] veth1_macvtap: entered promiscuous mode
[ 66.052173][ T5890] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 66.061801][ T5890] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 66.071356][ T55] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.081780][ T55] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.091070][ T55] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.100260][ T55] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 66.142913][ T55] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 66.164181][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 66.172643][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 66.182052][ T55] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 66.195368][ T31] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 66.203729][ T31] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 66.230379][ T55] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[ 66.280211][ T55] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
2025/12/05 19:05:28 executed programs: 0
[ 69.506006][ T55] bridge_slave_1: left allmulticast mode
[ 69.511800][ T55] bridge_slave_1: left promiscuous mode
[ 69.517491][ T55] bridge0: port 2(bridge_slave_1) entered disabled state
[ 69.525504][ T55] bridge_slave_0: left allmulticast mode
[ 69.531369][ T55] bridge_slave_0: left promiscuous mode
[ 69.537068][ T55] bridge0: port 1(bridge_slave_0) entered disabled state
[ 69.601288][ T55] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
[ 69.611079][ T55] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
[ 69.620253][ T55] bond0 (unregistering): Released all slaves
[ 69.670943][ T55] hsr_slave_0: left promiscuous mode
[ 69.676955][ T55] hsr_slave_1: left promiscuous mode
[ 69.682958][ T55] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[ 69.691003][ T55] batman_adv: batadv0: Removing interface: batadv_slave_0
[ 69.698476][ T55] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[ 69.706532][ T55] batman_adv: batadv0: Removing interface: batadv_slave_1
[ 69.715577][ T55] veth1_macvtap: left promiscuous mode
[ 69.721203][ T55] veth0_macvtap: left promiscuous mode
[ 69.726728][ T55] veth1_vlan: left promiscuous mode
[ 69.732096][ T55] veth0_vlan: left promiscuous mode
[ 69.757386][ T55] team0 (unregistering): Port device team_slave_1 removed
[ 69.766234][ T55] team0 (unregistering): Port device team_slave_0 removed
[ 70.169404][ T1309] ieee802154 phy0 wpan0: encryption failed: -22
[ 70.175683][ T1309] ieee802154 phy1 wpan1: encryption failed: -22
[ 72.047051][ T5134] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 72.054869][ T5134] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 72.062046][ T5134] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 72.070042][ T5134] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 72.077520][ T5134] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 72.113196][ T5989] chnl_net:caif_netlink_parms(): no params data found
[ 72.132758][ T5989] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.140022][ T5989] bridge0: port 1(bridge_slave_0) entered disabled state
[ 72.147223][ T5989] bridge_slave_0: entered allmulticast mode
[ 72.153712][ T5989] bridge_slave_0: entered promiscuous mode
[ 72.160489][ T5989] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.167745][ T5989] bridge0: port 2(bridge_slave_1) entered disabled state
[ 72.174993][ T5989] bridge_slave_1: entered allmulticast mode
[ 72.181245][ T5989] bridge_slave_1: entered promiscuous mode
[ 72.192621][ T5989] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 72.202629][ T5989] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 72.217391][ T5989] team0: Port device team_slave_0 added
[ 72.224120][ T5989] team0: Port device team_slave_1 added
[ 72.234181][ T5989] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 72.241867][ T5989] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 72.268532][ T5989] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 72.280051][ T5989] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 72.287416][ T5989] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem.
[ 72.314180][ T5989] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 72.331466][ T5989] hsr_slave_0: entered promiscuous mode
[ 72.337615][ T5989] hsr_slave_1: entered promiscuous mode
[ 72.513584][ T5989] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 72.521437][ T5989] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 72.529452][ T5989] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 72.537435][ T5989] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 72.551368][ T5989] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.558478][ T5989] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 72.565936][ T5989] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.573710][ T5989] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 72.596776][ T5989] 8021q: adding VLAN 0 to HW filter on device bond0
[ 72.606884][ T31] bridge0: port 1(bridge_slave_0) entered disabled state
[ 72.615077][ T31] bridge0: port 2(bridge_slave_1) entered disabled state
[ 72.625976][ T5989] 8021q: adding VLAN 0 to HW filter on device team0
[ 72.634865][ T31] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.642139][ T31] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 72.660348][ T31] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.667635][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 72.717525][ T5989] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 72.736386][ T5989] veth0_vlan: entered promiscuous mode
[ 72.743922][ T5989] veth1_vlan: entered promiscuous mode
[ 72.757219][ T5989] veth0_macvtap: entered promiscuous mode
[ 72.764388][ T5989] veth1_macvtap: entered promiscuous mode
[ 72.774941][ T5989] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 72.784711][ T5989] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 72.794630][ T35] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.807307][ T35] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.816371][ T723] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.828572][ T723] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 72.847366][ T35] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 72.856762][ T35] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
[ 72.870318][ T723] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 72.878614][ T723] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
syzkaller build log:
go env (err=<nil>)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1479309889=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs-2/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'
git status (err=<nil>)
HEAD detached at d6526ea3e
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d6526ea3e6ad9081c902859bbb80f9f840377cb4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251126-113115" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"d6526ea3e6ad9081c902859bbb80f9f840377cb4\"
/usr/bin/ld: /tmp/ccXWETje.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
./tools/check-syzos.sh 2>/dev/null
Tested on:
commit: e69c7c17 Merge tag 'timers_urgent_for_v6.18_rc8' of gi..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=f30cc590c4f6da44
dashboard link: https://syzkaller.appspot.com/bug?extid=99f6ed51479b86ac4c41
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch: https://syzkaller.appspot.com/x/patch.diff?x=14477cc2580000
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2025-12-05 8:41 ` [syzbot] [hfs?] memory leak in hfsplus_init_fs_context syzbot
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