* [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
@ 2025-10-15 2:12 syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-15 2:12 UTC (permalink / raw)
To: akpm, dmantipov, jlbec, joseph.qi, linux-kernel, mark,
ocfs2-devel, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: 52ba76324a9d Add linux-next specific files for 20251013
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=157d3b34580000
kernel config: https://syzkaller.appspot.com/x/.config?x=99cb6b007a8889ef
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15039dcd980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15ad9542580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/1729256319ee/disk-52ba7632.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/a3152cfcba7c/vmlinux-52ba7632.xz
kernel image: https://storage.googleapis.com/syzbot-assets/4065a3b3d959/bzImage-52ba7632.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/d98ffa49f949/mount_0.gz
fsck result: OK (log: https://syzkaller.appspot.com/x/fsck.log?x=1510f304580000)
The issue was bisected to:
commit aa545adbe491402cf1e664f6be0a799ed69d9946
Author: Dmitry Antipov <dmantipov@yandex.ru>
Date: Tue Oct 7 12:35:26 2025 +0000
ocfs2: annotate flexible array members with __counted_by_le()
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11575542580000
final oops: https://syzkaller.appspot.com/x/report.txt?x=13575542580000
console output: https://syzkaller.appspot.com/x/log.txt?x=15575542580000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Fixes: aa545adbe491 ("ocfs2: annotate flexible array members with __counted_by_le()")
option from the mount to silence this warning.
=======================================================
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in fs/ocfs2/suballoc.c:380:22
index 0 is out of range for type 'struct ocfs2_chain_rec[] __counted_by(cl_count)' (aka 'struct ocfs2_chain_rec[]')
CPU: 0 UID: 0 PID: 6052 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
<TASK>
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
ubsan_epilogue+0xa/0x40 lib/ubsan.c:233
__ubsan_handle_out_of_bounds+0xe9/0xf0 lib/ubsan.c:455
ocfs2_block_group_fill+0x938/0xb30 fs/ocfs2/suballoc.c:380
ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:454 [inline]
ocfs2_block_group_alloc fs/ocfs2/suballoc.c:699 [inline]
ocfs2_reserve_suballoc_bits+0x117d/0x4680 fs/ocfs2/suballoc.c:834
ocfs2_reserve_new_metadata_blocks+0x403/0x940 fs/ocfs2/suballoc.c:984
ocfs2_expand_inline_dir fs/ocfs2/dir.c:2853 [inline]
ocfs2_extend_dir+0xc76/0x4870 fs/ocfs2/dir.c:3215
ocfs2_prepare_dir_for_insert+0x2fdf/0x54b0 fs/ocfs2/dir.c:4320
ocfs2_mknod+0x819/0x2050 fs/ocfs2/namei.c:297
ocfs2_mkdir+0x191/0x440 fs/ocfs2/namei.c:659
vfs_mkdir+0x306/0x510 fs/namei.c:4453
do_mkdirat+0x247/0x590 fs/namei.c:4486
__do_sys_mkdirat fs/namei.c:4503 [inline]
__se_sys_mkdirat fs/namei.c:4501 [inline]
__x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4501
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0917d8d617
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff863b0218 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fff863b02a0 RCX: 00007f0917d8d617
RDX: 00000000000001ff RSI: 0000200000000680 RDI: 00000000ffffff9c
RBP: 0000200000000080 R08: 0000200000000140 R09: 0000000000000000
R10: 0000200000000080 R11: 0000000000000246 R12: 0000200000000680
R13: 00007fff863b0260 R14: 0000000000000000 R15: 0000000000000000
</TASK>
---[ end trace ]---
---
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.
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251015044637.4721-1-kartikey406@gmail.com>
@ 2025-10-15 5:15 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-15 5:15 UTC (permalink / raw)
To: kartikey406, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 13863a59 Add linux-next specific files for 20251014
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=11fc7b34580000
kernel config: https://syzkaller.appspot.com/x/.config?x=76790fe131481879
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=167985e2580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <d8a13302-3be4-4ad7-a1f0-263bb9dc1ba4@yandex.ru>
@ 2025-10-15 6:21 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-15 6:21 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 13863a59 Add linux-next specific files for 20251014
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
console output: https://syzkaller.appspot.com/x/log.txt?x=151d85e2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=76790fe131481879
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=1304d542580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251015064502.30763-1-kartikey406@gmail.com>
@ 2025-10-15 7:12 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-15 7:12 UTC (permalink / raw)
To: kartikey406, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 13863a59 Add linux-next specific files for 20251014
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=1590ac58580000
kernel config: https://syzkaller.appspot.com/x/.config?x=76790fe131481879
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=179a7b34580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <28b06392-394e-4c77-a4db-5174cb605834@yandex.ru>
@ 2025-10-17 11:26 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-17 11:26 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 2433b847 Add linux-next specific files for 20251016
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
console output: https://syzkaller.appspot.com/x/log.txt?x=106275e2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=76790fe131481879
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=137d9c58580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251022121312.jibxD%dmantipov@yandex.ru>
@ 2025-10-22 12:46 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-22 12:46 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 552c5071 Merge tag 'vfio-v6.18-rc3' of https://github...
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=16944614580000
kernel config: https://syzkaller.appspot.com/x/.config?x=9ad7b090a18654a7
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=10a44614580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251024071153.WcJfz%dmantipov@yandex.ru>
@ 2025-10-24 8:31 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-24 8:31 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
UBSAN: signed-integer-overflow in ip_idents_reserve
================================================================================
UBSAN: signed-integer-overflow in ./arch/x86/include/asm/atomic.h:165:11
-1399202697 + -1961381633 cannot be represented in type 'int'
CPU: 1 PID: 27 Comm: kworker/u4:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
Call Trace:
dump_stack+0xfd/0x16e lib/dump_stack.c:118
ubsan_epilogue+0xa/0x30 lib/ubsan.c:148
handle_overflow+0x192/0x1b0 lib/ubsan.c:180
arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
atomic_add_return include/asm-generic/atomic-instrumented.h:73 [inline]
ip_idents_reserve+0x14a/0x170 net/ipv4/route.c:521
__ip_select_ident+0xe4/0x1c0 net/ipv4/route.c:538
iptunnel_xmit+0x468/0x850 net/ipv4/ip_tunnel_core.c:80
udp_tunnel_xmit_skb+0x1ba/0x290 net/ipv4/udp_tunnel_core.c:190
send4+0x5d4/0xaf0 drivers/net/wireguard/socket.c:85
wg_socket_send_skb_to_peer+0xcd/0x1c0 drivers/net/wireguard/socket.c:175
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:40 [inline]
wg_packet_handshake_send_worker+0x16b/0x280 drivers/net/wireguard/send.c:51
process_one_work+0x85e/0xff0 kernel/workqueue.c:2282
worker_thread+0xa9b/0x1430 kernel/workqueue.c:2428
kthread+0x386/0x410 kernel/kthread.c:328
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
================================================================================
Kernel panic - not syncing: UBSAN: panic_on_warn set ...
CPU: 1 PID: 27 Comm: kworker/u4:2 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
Call Trace:
dump_stack+0xfd/0x16e lib/dump_stack.c:118
panic+0x2f0/0x9c0 kernel/panic.c:308
check_panic_on_warn+0x95/0xe0 kernel/panic.c:228
handle_overflow+0x192/0x1b0 lib/ubsan.c:180
arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
atomic_add_return include/asm-generic/atomic-instrumented.h:73 [inline]
ip_idents_reserve+0x14a/0x170 net/ipv4/route.c:521
__ip_select_ident+0xe4/0x1c0 net/ipv4/route.c:538
iptunnel_xmit+0x468/0x850 net/ipv4/ip_tunnel_core.c:80
udp_tunnel_xmit_skb+0x1ba/0x290 net/ipv4/udp_tunnel_core.c:190
send4+0x5d4/0xaf0 drivers/net/wireguard/socket.c:85
wg_socket_send_skb_to_peer+0xcd/0x1c0 drivers/net/wireguard/socket.c:175
wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:40 [inline]
wg_packet_handshake_send_worker+0x16b/0x280 drivers/net/wireguard/send.c:51
process_one_work+0x85e/0xff0 kernel/workqueue.c:2282
worker_thread+0xa9b/0x1430 kernel/workqueue.c:2428
kthread+0x386/0x410 kernel/kthread.c:328
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Kernel Offset: disabled
Rebooting in 86400 seconds..
Warning: Permanently added '10.128.1.176' (ED25519) to the list of known hosts.
2025/10/24 08:30:04 parsed 1 programs
[ 48.013663][ T6013] cgroup: Unknown subsys name 'net'
[ 48.170944][ T6013] cgroup: Unknown subsys name 'rlimit'
[ 49.896812][ T6013] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 50.802412][ T6020] IPVS: ftp: loaded support on port[0] = 21
[ 50.981218][ T6026] IPVS: ftp: loaded support on port[0] = 21
[ 51.070963][ T6031] IPVS: ftp: loaded support on port[0] = 21
[ 51.212304][ T6037] IPVS: ftp: loaded support on port[0] = 21
[ 51.298209][ T6042] IPVS: ftp: loaded support on port[0] = 21
[ 51.396045][ T6047] IPVS: ftp: loaded support on port[0] = 21
[ 51.445463][ T6047] chnl_net:caif_netlink_parms(): no params data found
[ 51.483834][ T6047] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.491355][ T6047] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.499426][ T6047] device bridge_slave_0 entered promiscuous mode
[ 51.507218][ T6047] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.514361][ T6047] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.521916][ T6047] device bridge_slave_1 entered promiscuous mode
[ 51.540701][ T6047] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 51.551842][ T6047] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 51.567750][ T6047] team0: Port device team_slave_0 added
[ 51.574571][ T6047] team0: Port device team_slave_1 added
[ 51.586442][ T6047] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 51.593515][ T6047] 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.
[ 51.619504][ T6047] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 51.631289][ T6047] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 51.638275][ T6047] 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.
[ 51.664460][ T6047] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 51.688501][ T6047] device hsr_slave_0 entered promiscuous mode
[ 51.695170][ T6047] device hsr_slave_1 entered promiscuous mode
[ 51.745737][ T6047] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 51.754100][ T6047] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 51.762823][ T6047] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 51.771249][ T6047] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 51.786410][ T6047] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.793485][ T6047] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 51.800980][ T6047] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.808073][ T6047] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 51.835190][ T6047] 8021q: adding VLAN 0 to HW filter on device bond0
[ 51.846473][ T178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 51.855767][ T178] bridge0: port 1(bridge_slave_0) entered disabled state
[ 51.863380][ T178] bridge0: port 2(bridge_slave_1) entered disabled state
[ 51.871161][ T178] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 51.886989][ T6047] 8021q: adding VLAN 0 to HW filter on device team0
[ 51.896287][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 51.904678][ T27] bridge0: port 1(bridge_slave_0) entered blocking state
[ 51.911755][ T27] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 51.928140][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 51.936459][ T27] bridge0: port 2(bridge_slave_1) entered blocking state
[ 51.943545][ T27] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 51.951785][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 51.968045][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 51.976221][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 51.986689][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 51.997233][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 52.007405][ T6047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 52.064410][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 52.072318][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 52.083417][ T6047] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 52.097534][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 52.116942][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 52.125424][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 52.133639][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 52.144186][ T6047] device veth0_vlan entered promiscuous mode
[ 52.158944][ T6047] device veth1_vlan entered promiscuous mode
[ 52.173076][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 52.181468][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 52.189866][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 52.205170][ T6047] device veth0_macvtap entered promiscuous mode
[ 52.213384][ T6047] device veth1_macvtap entered promiscuous mode
[ 52.226086][ T6047] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 52.233924][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 52.242748][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 52.257429][ T6047] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 52.264976][ T178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 52.275526][ T6047] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.284833][ T6047] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.293537][ T6047] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.302445][ T6047] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 52.318876][ T27] ================================================================================
[ 52.328195][ T27] UBSAN: signed-integer-overflow in ./arch/x86/include/asm/atomic.h:165:11
[ 52.336760][ T27] -1399202697 + -1961381633 cannot be represented in type 'int'
[ 52.344421][ T27] CPU: 1 PID: 27 Comm: kworker/u4:2 Not tainted syzkaller #0
[ 52.351780][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 52.361832][ T27] Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
[ 52.368761][ T27] Call Trace:
[ 52.372032][ T27] dump_stack+0xfd/0x16e
[ 52.376247][ T27] ubsan_epilogue+0xa/0x30
[ 52.380663][ T27] handle_overflow+0x192/0x1b0
[ 52.385400][ T27] ? prandom_u32+0x217/0x260
[ 52.390240][ T27] ip_idents_reserve+0x14a/0x170
[ 52.395164][ T27] __ip_select_ident+0xe4/0x1c0
[ 52.400000][ T27] iptunnel_xmit+0x468/0x850
[ 52.404585][ T27] udp_tunnel_xmit_skb+0x1ba/0x290
[ 52.409691][ T27] send4+0x5d4/0xaf0
[ 52.413573][ T27] wg_socket_send_skb_to_peer+0xcd/0x1c0
[ 52.419181][ T27] wg_packet_handshake_send_worker+0x16b/0x280
[ 52.425312][ T27] process_one_work+0x85e/0xff0
[ 52.430173][ T27] worker_thread+0xa9b/0x1430
[ 52.434940][ T27] ? rcu_lock_release+0x20/0x20
[ 52.439765][ T27] kthread+0x386/0x410
[ 52.443809][ T27] ? rcu_lock_release+0x20/0x20
[ 52.448664][ T27] ? kthread_blkcg+0xd0/0xd0
[ 52.453322][ T27] ret_from_fork+0x1f/0x30
[ 52.457765][ T27] ================================================================================
[ 52.467065][ T27] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 52.474261][ T27] CPU: 1 PID: 27 Comm: kworker/u4:2 Not tainted syzkaller #0
[ 52.481603][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 52.491670][ T27] Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker
[ 52.498580][ T27] Call Trace:
[ 52.501854][ T27] dump_stack+0xfd/0x16e
[ 52.506080][ T27] panic+0x2f0/0x9c0
[ 52.509954][ T27] check_panic_on_warn+0x95/0xe0
[ 52.514870][ T27] handle_overflow+0x192/0x1b0
[ 52.519633][ T27] ? prandom_u32+0x217/0x260
[ 52.524228][ T27] ip_idents_reserve+0x14a/0x170
[ 52.529235][ T27] __ip_select_ident+0xe4/0x1c0
[ 52.534066][ T27] iptunnel_xmit+0x468/0x850
[ 52.538633][ T27] udp_tunnel_xmit_skb+0x1ba/0x290
[ 52.543721][ T27] send4+0x5d4/0xaf0
[ 52.547604][ T27] wg_socket_send_skb_to_peer+0xcd/0x1c0
[ 52.553417][ T27] wg_packet_handshake_send_worker+0x16b/0x280
[ 52.559562][ T27] process_one_work+0x85e/0xff0
[ 52.564387][ T27] worker_thread+0xa9b/0x1430
[ 52.569136][ T27] ? rcu_lock_release+0x20/0x20
[ 52.574052][ T27] kthread+0x386/0x410
[ 52.578096][ T27] ? rcu_lock_release+0x20/0x20
[ 52.582913][ T27] ? kthread_blkcg+0xd0/0xd0
[ 52.587475][ T27] ret_from_fork+0x1f/0x30
[ 52.592191][ T27] Kernel Offset: disabled
[ 52.596510][ T27] Rebooting in 86400 seconds..
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-build1315598195=/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 b6605ba8b96
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=b6605ba8b96835063c5eb766c38d27fac98b84d4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251013-102005" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=b6605ba8b96835063c5eb766c38d27fac98b84d4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251013-102005" ./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=b6605ba8b96835063c5eb766c38d27fac98b84d4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251013-102005" -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=\"b6605ba8b96835063c5eb766c38d27fac98b84d4\"
/usr/bin/ld: /tmp/cccF2O1E.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: d3d0b4e2 Linux 5.10.245
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-5.10.y
kernel config: https://syzkaller.appspot.com/x/.config?x=6e4052b2d7feb092
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=16982d2f980000
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251024071520.ZEdh5%dmantipov@yandex.ru>
@ 2025-10-24 10:07 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-24 10:07 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 8e6e2188 Linux 6.1.157
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17bb6d42580000
kernel config: https://syzkaller.appspot.com/x/.config?x=ef8bef4a2b3407ea
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=117a8c92580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251024071531.TCWyW%dmantipov@yandex.ru>
@ 2025-10-24 10:49 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-24 10:49 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 4fc43deb Linux 6.12.55
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-6.12.y
console output: https://syzkaller.appspot.com/x/log.txt?x=16c99be2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=d75e2b3488f52930
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=10fc7734580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251028070157.yQX9a%dmantipov@yandex.ru>
@ 2025-10-28 7:49 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-28 7:49 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: fd575722 Merge tag 'sched_ext-for-6.18-rc3-fixes' of g..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=164d832f980000
kernel config: https://syzkaller.appspot.com/x/.config?x=2cdd0ccb22d6e441
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=152d6258580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251028104005.R1CUs%dmantipov@yandex.ru>
@ 2025-10-28 10:54 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-28 10:54 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
failed to checkout kernel repo https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/linux-5.10.y: failed to run ["git" "fetch" "--force" "4d52a57a3858a6eee0d0b25cc3a0c9533f747d8f" "linux-5.10.y"]: exit status 128
Tested on:
commit: [unknown
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git linux-5.10.y
kernel config: https://syzkaller.appspot.com/x/.config?x=99cb6b007a8889ef
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=16fa77e2580000
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251028104158.qdBzD%dmantipov@yandex.ru>
@ 2025-10-28 10:56 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-28 10:56 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
failed to checkout kernel repo https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/linux-6.12.y: failed to run ["git" "fetch" "--force" "4d52a57a3858a6eee0d0b25cc3a0c9533f747d8f" "linux-6.12.y"]: exit status 128
Tested on:
commit: [unknown
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git linux-6.12.y
kernel config: https://syzkaller.appspot.com/x/.config?x=99cb6b007a8889ef
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=156d8704580000
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251028104119.eKN8w%dmantipov@yandex.ru>
@ 2025-10-28 10:56 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-28 10:56 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
failed to checkout kernel repo https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/linux-6.1.y: failed to run ["git" "fetch" "--force" "4d52a57a3858a6eee0d0b25cc3a0c9533f747d8f" "linux-6.1.y"]: exit status 128
Tested on:
commit: [unknown
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git linux-6.1.y
kernel config: https://syzkaller.appspot.com/x/.config?x=99cb6b007a8889ef
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler:
patch: https://syzkaller.appspot.com/x/patch.diff?x=15746932580000
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251028181936.web8g%dmantipov@yandex.ru>
@ 2025-10-28 18:34 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-28 18:34 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
fs/ocfs2/ocfs2_fs.h:474:40: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:489:40: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:502:43: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:646:26: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:659:16: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:807:37: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:943:43: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:1030:39: error: expected ';' at end of declaration list
Tested on:
commit: d3d0b4e2 Linux 5.10.245
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-5.10.y
kernel config: https://syzkaller.appspot.com/x/.config?x=99cb6b007a8889ef
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=15cc432f980000
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251028182101.6rEOg%dmantipov@yandex.ru>
@ 2025-10-28 18:52 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-28 18:52 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
fs/ocfs2/ocfs2_fs.h:472:40: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:487:40: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:500:43: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:644:26: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:657:16: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:805:37: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:941:43: error: expected ';' at end of declaration list
fs/ocfs2/ocfs2_fs.h:1028:39: error: expected ';' at end of declaration list
Tested on:
commit: 8e6e2188 Linux 6.1.157
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-6.1.y
kernel config: https://syzkaller.appspot.com/x/.config?x=99cb6b007a8889ef
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=11584704580000
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251028182253.F7MbO%dmantipov@yandex.ru>
@ 2025-10-28 19:24 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-28 19:24 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 4fc43deb Linux 6.12.55
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-6.12.y
console output: https://syzkaller.appspot.com/x/log.txt?x=155b77e2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=d75e2b3488f52930
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=141e1f34580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251029062152.Ai6wl%dmantipov@yandex.ru>
@ 2025-10-29 7:43 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-29 7:43 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
] bridge0: port 2(bridge_slave_1) entered disabled state
[ 56.957882][ T6076] 8021q: adding VLAN 0 to HW filter on device bond0
[ 56.968605][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 56.976718][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 56.985854][ T6076] 8021q: adding VLAN 0 to HW filter on device team0
[ 57.000775][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 57.009397][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 57.017915][ T23] bridge0: port 1(bridge_slave_0) entered blocking state
[ 57.024986][ T23] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 57.034664][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 57.043651][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 57.052353][ T23] bridge0: port 2(bridge_slave_1) entered blocking state
[ 57.059422][ T23] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 57.069264][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 57.086208][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 57.096392][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 57.105116][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 57.113880][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 57.128986][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 57.137517][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 57.148336][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 57.156564][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 57.167288][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 57.175546][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 57.185362][ T6076] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 57.245154][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 57.253095][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 57.262418][ T6076] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 57.280281][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[ 57.289126][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 57.310768][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[ 57.319606][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 57.328599][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 57.336290][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 57.345386][ T6076] device veth0_vlan entered promiscuous mode
[ 57.356188][ T6076] device veth1_vlan entered promiscuous mode
[ 57.380237][ T6076] device veth0_macvtap entered promiscuous mode
[ 57.388136][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 57.397218][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 57.405258][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[ 57.414356][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 57.422971][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 57.434451][ T6076] device veth1_macvtap entered promiscuous mode
[ 57.451925][ T6076] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 57.459716][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[ 57.467942][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[ 57.476921][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 57.487661][ T6076] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 57.497109][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 57.505841][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 57.515082][ T6076] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[ 57.524045][ T6076] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 57.532999][ T6076] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 57.542687][ T6076] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 57.596174][ C1] ================================================================================
[ 57.605482][ C1] UBSAN: signed-integer-overflow in ./arch/x86/include/asm/atomic.h:165:11
[ 57.614205][ C1] 1648931972 + 931318806 cannot be represented in type 'int'
[ 57.621709][ C1] CPU: 1 PID: 5335 Comm: udevd Not tainted syzkaller #0
[ 57.628644][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 57.636275][ T6103] IPVS: ftp: loaded support on port[0] = 21
[ 57.638698][ C1] Call Trace:
[ 57.647934][ C1] <IRQ>
[ 57.650792][ C1] dump_stack+0xfd/0x16e
[ 57.655044][ C1] ubsan_epilogue+0xa/0x30
[ 57.659458][ C1] handle_overflow+0x192/0x1b0
[ 57.664231][ C1] ip_idents_reserve+0x14a/0x170
[ 57.669170][ C1] __ip_select_ident+0xe4/0x1c0
[ 57.674024][ C1] iptunnel_xmit+0x468/0x850
[ 57.678608][ C1] udp_tunnel_xmit_skb+0x1ba/0x290
[ 57.683784][ C1] geneve_xmit+0x1d03/0x2130
[ 57.688362][ C1] dev_hard_start_xmit+0x2a8/0x7f0
[ 57.693468][ C1] __dev_queue_xmit+0x1690/0x2970
[ 57.698490][ C1] ip6_finish_output2+0x101e/0x1490
[ 57.703901][ C1] NF_HOOK+0x45/0x2c0
[ 57.707879][ C1] ? NF_HOOK+0x2c0/0x2c0
[ 57.712114][ C1] mld_sendpack+0x5f7/0xa60
[ 57.716612][ C1] mld_ifc_timer_expire+0x7e1/0x990
[ 57.721953][ C1] ? lock_acquire+0x78/0x330
[ 57.726523][ C1] ? lock_release+0x69/0x640
[ 57.731103][ C1] ? mld_gq_timer_expire+0xe0/0xe0
[ 57.736194][ C1] call_timer_fn+0x103/0x490
[ 57.740767][ C1] ? mld_gq_timer_expire+0xe0/0xe0
[ 57.745873][ C1] __run_timers+0x5d8/0x7a0
[ 57.750375][ C1] run_timer_softirq+0x63/0xf0
[ 57.755140][ C1] __do_softirq+0x267/0x92e
[ 57.759637][ C1] ? asm_call_irq_on_stack+0xf/0x20
[ 57.764814][ C1] asm_call_irq_on_stack+0xf/0x20
[ 57.769809][ C1] </IRQ>
[ 57.772727][ C1] do_softirq_own_stack+0x9b/0xe0
[ 57.777734][ C1] __irq_exit_rcu+0x227/0x230
[ 57.782383][ C1] irq_exit_rcu+0x5/0x20
[ 57.786602][ C1] sysvec_apic_timer_interrupt+0xea/0x100
[ 57.792290][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 57.798260][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60
[ 57.804302][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 be 0d 00 00 00 48 c7 c7 20 b4 54 8b e8 8f 64 3e 00 c3 cc cc cc cc 00 00 cc cc 00 00 cc cc 00 00 <48> 8b 04 24 65 48 8b 0d 34 d7 90 7e 65 8b 15 39 d7 90 7e f7 c2 00
[ 57.823981][ C1] RSP: 0018:ffffc90000f5fbe8 EFLAGS: 00000287
[ 57.830031][ C1] RAX: ffffffff8354fa11 RBX: ffff8880242ccfda RCX: 0000000000000000
[ 57.837990][ C1] RDX: ffff88802e700000 RSI: 000000000000000e RDI: 000000000000005e
[ 57.845980][ C1] RBP: 000000000000000e R08: 0000000059ee1630 R09: 0000000004ea9dbc
[ 57.854015][ C1] R10: 00000000e66b8ec4 R11: 1ffffffff1964e1d R12: 000000000000002f
[ 57.862094][ C1] R13: 0000000000000023 R14: 0000000000000000 R15: ffff888019809300
[ 57.870056][ C1] ? tomoyo_encode2+0x261/0x480
[ 57.874883][ C1] tomoyo_encode2+0x26c/0x480
[ 57.879536][ C1] tomoyo_realpath_from_path+0x5ce/0x620
[ 57.885172][ C1] tomoyo_path_perm+0x15b/0x450
[ 57.890017][ C1] security_inode_getattr+0xd2/0x130
[ 57.895302][ C1] __x64_sys_newfstat+0xa7/0x160
[ 57.900235][ C1] do_syscall_64+0x34/0x50
[ 57.904801][ C1] entry_SYSCALL_64_after_hwframe+0x67/0xd1
[ 57.910696][ C1] RIP: 0033:0x7f14545d9ad7
[ 57.915097][ C1] Code: 73 01 c3 48 8b 0d 21 f3 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 05 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8
[ 57.934686][ C1] RSP: 002b:00007ffe7f42e5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000005
[ 57.943080][ C1] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f14545d9ad7
[ 57.951032][ C1] RDX: 0000000000090800 RSI: 00007ffe7f42e5d0 RDI: 000000000000000d
[ 57.958980][ C1] RBP: 00007ffe7f42e5d0 R08: 0000000000000000 R09: 0000000000000001
[ 57.966947][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a2452227b0
[ 57.974897][ C1] R13: 00000000000000ff R14: 000055a2354e0be0 R15: 00007ffe7f42e8f0
[ 57.982917][ C1] ================================================================================
[ 57.992234][ C1] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 57.999416][ C1] CPU: 1 PID: 5335 Comm: udevd Not tainted syzkaller #0
[ 58.006329][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
[ 58.016454][ C1] Call Trace:
[ 58.019807][ C1] <IRQ>
[ 58.022646][ C1] dump_stack+0xfd/0x16e
[ 58.026862][ C1] panic+0x2f0/0x9c0
[ 58.030733][ C1] check_panic_on_warn+0x95/0xe0
[ 58.035656][ C1] handle_overflow+0x192/0x1b0
[ 58.040394][ C1] ip_idents_reserve+0x14a/0x170
[ 58.045333][ C1] __ip_select_ident+0xe4/0x1c0
[ 58.050526][ C1] iptunnel_xmit+0x468/0x850
[ 58.055096][ C1] udp_tunnel_xmit_skb+0x1ba/0x290
[ 58.060281][ C1] geneve_xmit+0x1d03/0x2130
[ 58.064858][ C1] dev_hard_start_xmit+0x2a8/0x7f0
[ 58.069947][ C1] __dev_queue_xmit+0x1690/0x2970
[ 58.074997][ C1] ip6_finish_output2+0x101e/0x1490
[ 58.080172][ C1] NF_HOOK+0x45/0x2c0
[ 58.084137][ C1] ? NF_HOOK+0x2c0/0x2c0
[ 58.088358][ C1] mld_sendpack+0x5f7/0xa60
[ 58.092843][ C1] mld_ifc_timer_expire+0x7e1/0x990
[ 58.098027][ C1] ? lock_acquire+0x78/0x330
[ 58.102587][ C1] ? lock_release+0x69/0x640
[ 58.107152][ C1] ? mld_gq_timer_expire+0xe0/0xe0
[ 58.112240][ C1] call_timer_fn+0x103/0x490
[ 58.116802][ C1] ? mld_gq_timer_expire+0xe0/0xe0
[ 58.121880][ C1] __run_timers+0x5d8/0x7a0
[ 58.126446][ C1] run_timer_softirq+0x63/0xf0
[ 58.131181][ C1] __do_softirq+0x267/0x92e
[ 58.135655][ C1] ? asm_call_irq_on_stack+0xf/0x20
[ 58.140924][ C1] asm_call_irq_on_stack+0xf/0x20
[ 58.146007][ C1] </IRQ>
[ 58.148951][ C1] do_softirq_own_stack+0x9b/0xe0
[ 58.153948][ C1] __irq_exit_rcu+0x227/0x230
[ 58.158601][ C1] irq_exit_rcu+0x5/0x20
[ 58.162816][ C1] sysvec_apic_timer_interrupt+0xea/0x100
[ 58.168517][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 58.174470][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60
[ 58.180507][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 be 0d 00 00 00 48 c7 c7 20 b4 54 8b e8 8f 64 3e 00 c3 cc cc cc cc 00 00 cc cc 00 00 cc cc 00 00 <48> 8b 04 24 65 48 8b 0d 34 d7 90 7e 65 8b 15 39 d7 90 7e f7 c2 00
[ 58.200096][ C1] RSP: 0018:ffffc90000f5fbe8 EFLAGS: 00000287
[ 58.206224][ C1] RAX: ffffffff8354fa11 RBX: ffff8880242ccfda RCX: 0000000000000000
[ 58.214171][ C1] RDX: ffff88802e700000 RSI: 000000000000000e RDI: 000000000000005e
[ 58.222116][ C1] RBP: 000000000000000e R08: 0000000059ee1630 R09: 0000000004ea9dbc
[ 58.230069][ C1] R10: 00000000e66b8ec4 R11: 1ffffffff1964e1d R12: 000000000000002f
[ 58.238112][ C1] R13: 0000000000000023 R14: 0000000000000000 R15: ffff888019809300
[ 58.246077][ C1] ? tomoyo_encode2+0x261/0x480
[ 58.250921][ C1] tomoyo_encode2+0x26c/0x480
[ 58.255576][ C1] tomoyo_realpath_from_path+0x5ce/0x620
[ 58.261186][ C1] tomoyo_path_perm+0x15b/0x450
[ 58.266035][ C1] security_inode_getattr+0xd2/0x130
[ 58.271303][ C1] __x64_sys_newfstat+0xa7/0x160
[ 58.276216][ C1] do_syscall_64+0x34/0x50
[ 58.280633][ C1] entry_SYSCALL_64_after_hwframe+0x67/0xd1
[ 58.286497][ C1] RIP: 0033:0x7f14545d9ad7
[ 58.290886][ C1] Code: 73 01 c3 48 8b 0d 21 f3 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 05 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8
[ 58.310729][ C1] RSP: 002b:00007ffe7f42e5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000005
[ 58.319116][ C1] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f14545d9ad7
[ 58.327065][ C1] RDX: 0000000000090800 RSI: 00007ffe7f42e5d0 RDI: 000000000000000d
[ 58.335014][ C1] RBP: 00007ffe7f42e5d0 R08: 0000000000000000 R09: 0000000000000001
[ 58.342967][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 000055a2452227b0
[ 58.350913][ C1] R13: 00000000000000ff R14: 000055a2354e0be0 R15: 00007ffe7f42e8f0
[ 58.359252][ C1] Kernel Offset: disabled
[ 58.363605][ C1] Rebooting in 86400 seconds..
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-build3025266266=/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 b6605ba8b96
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=b6605ba8b96835063c5eb766c38d27fac98b84d4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251013-102005" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=b6605ba8b96835063c5eb766c38d27fac98b84d4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251013-102005" ./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=b6605ba8b96835063c5eb766c38d27fac98b84d4 -X github.com/google/syzkaller/prog.gitRevisionDate=20251013-102005" -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=\"b6605ba8b96835063c5eb766c38d27fac98b84d4\"
/usr/bin/ld: /tmp/ccYc8exG.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
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=13f7f614580000
Tested on:
commit: d3d0b4e2 Linux 5.10.245
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-5.10.y
kernel config: https://syzkaller.appspot.com/x/.config?x=6e4052b2d7feb092
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=13cbf614580000
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251029062547.hO0d8%dmantipov@yandex.ru>
@ 2025-10-29 8:05 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-29 8:05 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 8e6e2188 Linux 6.1.157
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=115bdfe2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=ef8bef4a2b3407ea
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=16abf614580000
Note: testing is done by a robot and is best-effort only.
^ permalink raw reply [flat|nested] 19+ messages in thread
* Re: [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill
[not found] <20251029062741.W5kof%dmantipov@yandex.ru>
@ 2025-10-29 8:28 ` syzbot
0 siblings, 0 replies; 19+ messages in thread
From: syzbot @ 2025-10-29 8:28 UTC (permalink / raw)
To: dmantipov, linux-kernel, syzkaller-bugs
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger any issue:
Reported-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested-by: syzbot+77026564530dbc29b854@syzkaller.appspotmail.com
Tested on:
commit: 4fc43deb Linux 6.12.55
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git linux-6.12.y
console output: https://syzkaller.appspot.com/x/log.txt?x=174f6fe2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=d75e2b3488f52930
dashboard link: https://syzkaller.appspot.com/bug?extid=77026564530dbc29b854
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=15e3dfe2580000
Note: testing is done by a robot and is best-effort only.
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2025-10-17 11:26 ` [syzbot] [ocfs2?] UBSAN: array-index-out-of-bounds in ocfs2_block_group_fill syzbot
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2025-10-29 8:28 ` syzbot
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