* [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list
@ 2024-12-09 23:04 syzbot
2024-12-10 11:02 ` Edward Adam Davis
` (2 more replies)
0 siblings, 3 replies; 7+ messages in thread
From: syzbot @ 2024-12-09 23:04 UTC (permalink / raw)
To: jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel, syzkaller-bugs
Hello,
syzbot found the following issue on:
HEAD commit: 5076001689e4 Merge tag 'loongarch-fixes-6.13-1' of git://g..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=120f68df980000
kernel config: https://syzkaller.appspot.com/x/.config?x=50c7a61469ce77e7
dashboard link: https://syzkaller.appspot.com/bug?extid=2313dda4dc4885c93578
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13b29330580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17b29330580000
Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-50760016.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/76ef343a98c8/vmlinux-50760016.xz
kernel image: https://storage.googleapis.com/syzbot-assets/e42b3235bcc3/bzImage-50760016.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/893e4e85ff3d/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2313dda4dc4885c93578@syzkaller.appspotmail.com
loop0: detected capacity change from 0 to 32768
JBD2: Ignoring recovery information on journal
==================================================================
BUG: KASAN: use-after-free in ocfs2_search_extent_list+0x155/0x200 fs/ocfs2/alloc.c:776
Read of size 4 at addr ffff888049800000 by task syz-executor307/5410
CPU: 0 UID: 0 PID: 5410 Comm: syz-executor307 Not tainted 6.13.0-rc1-syzkaller-00036-g5076001689e4 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0x169/0x550 mm/kasan/report.c:489
kasan_report+0x143/0x180 mm/kasan/report.c:602
ocfs2_search_extent_list+0x155/0x200 fs/ocfs2/alloc.c:776
ocfs2_get_clusters_nocache+0x21a/0xbf0 fs/ocfs2/extent_map.c:438
ocfs2_get_clusters+0x5bd/0xbd0 fs/ocfs2/extent_map.c:621
ocfs2_extent_map_get_blocks+0x24c/0x7d0 fs/ocfs2/extent_map.c:668
ocfs2_bmap+0x2b7/0x780 fs/ocfs2/aops.c:474
bmap+0xa8/0xe0 fs/inode.c:1997
jbd2_journal_bmap+0x12d/0x2b0 fs/jbd2/journal.c:926
do_readahead fs/jbd2/recovery.c:88 [inline]
jread+0x435/0xc80 fs/jbd2/recovery.c:165
do_one_pass+0x3cd/0x3aa0 fs/jbd2/recovery.c:646
jbd2_journal_skip_recovery+0x95/0x240 fs/jbd2/recovery.c:366
jbd2_journal_wipe+0xc9/0x110 fs/jbd2/journal.c:2517
ocfs2_journal_wipe+0xab/0x2a0 fs/ocfs2/journal.c:1192
ocfs2_check_volume fs/ocfs2/super.c:2413 [inline]
ocfs2_mount_volume+0xb86/0x1940 fs/ocfs2/super.c:1817
ocfs2_fill_super+0x476e/0x5760 fs/ocfs2/super.c:1084
mount_bdev+0x20a/0x2d0 fs/super.c:1693
legacy_get_tree+0xee/0x190 fs/fs_context.c:662
vfs_get_tree+0x90/0x2b0 fs/super.c:1814
do_new_mount+0x2be/0xb40 fs/namespace.c:3507
do_mount fs/namespace.c:3847 [inline]
__do_sys_mount fs/namespace.c:4057 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdc66ec71aa
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffee9a2de18 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffee9a2de30 RCX: 00007fdc66ec71aa
RDX: 0000000020004440 RSI: 0000000020000040 RDI: 00007ffee9a2de30
RBP: 0000000000000004 R08: 00007ffee9a2de70 R09: 0000000000004431
R10: 00000000000008c0 R11: 0000000000000282 R12: 00000000000008c0
R13: 00007ffee9a2de70 R14: 0000000000000003 R15: 0000000001000000
</TASK>
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x49800
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
page_type: f0(buddy)
raw: 04fff00000000000 ffff88805ffd7230 ffff88805ffd7230 0000000000000000
raw: 0000000000000000 000000000000000a 00000000f0000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)
Memory state around the buggy address:
ffff8880497fff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8880497fff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888049800000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff888049800080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888049800100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
---
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:
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(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] 7+ messages in thread* Re: [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list 2024-12-09 23:04 [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list syzbot @ 2024-12-10 11:02 ` Edward Adam Davis 2024-12-10 11:28 ` syzbot 2024-12-10 11:23 ` Julian Sun 2024-12-10 11:27 ` [syzbot] Re: KASAN: use-after-free Read in ocfs2_search_extent_list() syzbot 2 siblings, 1 reply; 7+ messages in thread From: Edward Adam Davis @ 2024-12-10 11:02 UTC (permalink / raw) To: syzbot+2313dda4dc4885c93578; +Cc: linux-kernel, syzkaller-bugs #syz test: https://github.com/ea1davis/linux ocfs2/syz ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list 2024-12-10 11:02 ` Edward Adam Davis @ 2024-12-10 11:28 ` syzbot 0 siblings, 0 replies; 7+ messages in thread From: syzbot @ 2024-12-10 11:28 UTC (permalink / raw) To: eadavis, linux-kernel, syzkaller-bugs Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+2313dda4dc4885c93578@syzkaller.appspotmail.com Tested-by: syzbot+2313dda4dc4885c93578@syzkaller.appspotmail.com Tested on: commit: 6ddd5d53 ocfs2: Take the smaller of l_next_free_rec an.. git tree: https://github.com/ea1davis/linux ocfs2/syz console output: https://syzkaller.appspot.com/x/log.txt?x=145d7c0f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=82d76f5a1a8b5c36 dashboard link: https://syzkaller.appspot.com/bug?extid=2313dda4dc4885c93578 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only. ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list 2024-12-09 23:04 [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list syzbot 2024-12-10 11:02 ` Edward Adam Davis @ 2024-12-10 11:23 ` Julian Sun 2024-12-10 11:47 ` syzbot 2024-12-10 11:27 ` [syzbot] Re: KASAN: use-after-free Read in ocfs2_search_extent_list() syzbot 2 siblings, 1 reply; 7+ messages in thread From: Julian Sun @ 2024-12-10 11:23 UTC (permalink / raw) To: syzbot, jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel, syzkaller-bugs On Mon, 2024-12-09 at 15:04 -0800, syzbot wrote: Add a sanity check for corrupted file system images. #syz test: upstream 5076001689e4 diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 2cc5c99fe941..60c84049f3e4 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -1358,6 +1358,21 @@ void ocfs2_refresh_inode(struct inode *inode, spin_unlock(&OCFS2_I(inode)->ip_lock); } +static int has_extents(struct ocfs2_dinode *di) +{ + /* inodes flagged with other stuff in id2 */ + if (di->i_flags & (OCFS2_SUPER_BLOCK_FL | OCFS2_LOCAL_ALLOC_FL | + OCFS2_CHAIN_FL | OCFS2_DEALLOC_FL)) + return 0; + /* i_flags doesn't indicate when id2 is a fast symlink */ + if (S_ISLNK(di->i_mode) && di->i_size && di->i_clusters == 0) + return 0; + if (di->i_dyn_features & OCFS2_INLINE_DATA_FL) + return 0; + + return 1; +} + int ocfs2_validate_inode_block(struct super_block *sb, struct buffer_head *bh) { @@ -1386,6 +1401,15 @@ int ocfs2_validate_inode_block(struct super_block *sb, rc = -EINVAL; + if (has_extents(di) && + le16_to_cpu(di->id2.i_list.l_next_free_rec) > le16_to_cpu(di->id2.i_list.l_count)) { + rc = ocfs2_error(sb, "corrupted dinode #%llu: next_free_rec is %u, count is %u\n", + (unsigned long long)bh->b_blocknr, + le16_to_cpu(di->id2.i_list.l_next_free_rec), + le16_to_cpu(di->id2.i_list.l_count)); + goto bail; + } + if (!OCFS2_IS_VALID_DINODE(di)) { rc = ocfs2_error(sb, "Invalid dinode #%llu: signature = %.*s\n", (unsigned long long)bh->b_blocknr, 7, > Hello, > > syzbot found the following issue on: > > HEAD commit: 5076001689e4 Merge tag 'loongarch-fixes-6.13-1' of git://g.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=120f68df980000 > kernel config: https://syzkaller.appspot.com/x/.config?x=50c7a61469ce77e7 > dashboard link: https://syzkaller.appspot.com/bug?extid=2313dda4dc4885c93578 > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13b29330580000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17b29330580000 > > Downloadable assets: > disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-50760016.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/76ef343a98c8/vmlinux-50760016.xz > kernel image: https://storage.googleapis.com/syzbot-assets/e42b3235bcc3/bzImage-50760016.xz > mounted in repro: https://storage.googleapis.com/syzbot-assets/893e4e85ff3d/mount_0.gz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+2313dda4dc4885c93578@syzkaller.appspotmail.com > > loop0: detected capacity change from 0 to 32768 > JBD2: Ignoring recovery information on journal > ================================================================== > BUG: KASAN: use-after-free in ocfs2_search_extent_list+0x155/0x200 fs/ocfs2/alloc.c:776 > Read of size 4 at addr ffff888049800000 by task syz-executor307/5410 > > CPU: 0 UID: 0 PID: 5410 Comm: syz-executor307 Not tainted 6.13.0-rc1-syzkaller-00036-g5076001689e4 #0 > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 > Call Trace: > <TASK> > __dump_stack lib/dump_stack.c:94 [inline] > dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 > print_address_description mm/kasan/report.c:378 [inline] > print_report+0x169/0x550 mm/kasan/report.c:489 > kasan_report+0x143/0x180 mm/kasan/report.c:602 > ocfs2_search_extent_list+0x155/0x200 fs/ocfs2/alloc.c:776 > ocfs2_get_clusters_nocache+0x21a/0xbf0 fs/ocfs2/extent_map.c:438 > ocfs2_get_clusters+0x5bd/0xbd0 fs/ocfs2/extent_map.c:621 > ocfs2_extent_map_get_blocks+0x24c/0x7d0 fs/ocfs2/extent_map.c:668 > ocfs2_bmap+0x2b7/0x780 fs/ocfs2/aops.c:474 > bmap+0xa8/0xe0 fs/inode.c:1997 > jbd2_journal_bmap+0x12d/0x2b0 fs/jbd2/journal.c:926 > do_readahead fs/jbd2/recovery.c:88 [inline] > jread+0x435/0xc80 fs/jbd2/recovery.c:165 > do_one_pass+0x3cd/0x3aa0 fs/jbd2/recovery.c:646 > jbd2_journal_skip_recovery+0x95/0x240 fs/jbd2/recovery.c:366 > jbd2_journal_wipe+0xc9/0x110 fs/jbd2/journal.c:2517 > ocfs2_journal_wipe+0xab/0x2a0 fs/ocfs2/journal.c:1192 > ocfs2_check_volume fs/ocfs2/super.c:2413 [inline] > ocfs2_mount_volume+0xb86/0x1940 fs/ocfs2/super.c:1817 > ocfs2_fill_super+0x476e/0x5760 fs/ocfs2/super.c:1084 > mount_bdev+0x20a/0x2d0 fs/super.c:1693 > legacy_get_tree+0xee/0x190 fs/fs_context.c:662 > vfs_get_tree+0x90/0x2b0 fs/super.c:1814 > do_new_mount+0x2be/0xb40 fs/namespace.c:3507 > do_mount fs/namespace.c:3847 [inline] > __do_sys_mount fs/namespace.c:4057 [inline] > __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7fdc66ec71aa > Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 > 48 > RSP: 002b:00007ffee9a2de18 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 > RAX: ffffffffffffffda RBX: 00007ffee9a2de30 RCX: 00007fdc66ec71aa > RDX: 0000000020004440 RSI: 0000000020000040 RDI: 00007ffee9a2de30 > RBP: 0000000000000004 R08: 00007ffee9a2de70 R09: 0000000000004431 > R10: 00000000000008c0 R11: 0000000000000282 R12: 00000000000008c0 > R13: 00007ffee9a2de70 R14: 0000000000000003 R15: 0000000001000000 > </TASK> > > The buggy address belongs to the physical page: > page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x49800 > flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) > page_type: f0(buddy) > raw: 04fff00000000000 ffff88805ffd7230 ffff88805ffd7230 0000000000000000 > raw: 0000000000000000 000000000000000a 00000000f0000000 0000000000000000 > page dumped because: kasan: bad access detected > page_owner info is not present (never set?) > > Memory state around the buggy address: > ffff8880497fff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > ffff8880497fff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > ffff888049800000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > ^ > ffff888049800080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > ffff888049800100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff > ================================================================== > > > --- > 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 -- Julian Sun <sunjunchao2870@gmail.com> ^ permalink raw reply related [flat|nested] 7+ messages in thread
* Re: [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list 2024-12-10 11:23 ` Julian Sun @ 2024-12-10 11:47 ` syzbot 0 siblings, 0 replies; 7+ messages in thread From: syzbot @ 2024-12-10 11:47 UTC (permalink / raw) To: jlbec, joseph.qi, linux-kernel, mark, ocfs2-devel, sunjunchao2870, syzkaller-bugs Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+2313dda4dc4885c93578@syzkaller.appspotmail.com Tested-by: syzbot+2313dda4dc4885c93578@syzkaller.appspotmail.com Tested on: commit: 50760016 Merge tag 'loongarch-fixes-6.13-1' of git://g.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=17037c0f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=50c7a61469ce77e7 dashboard link: https://syzkaller.appspot.com/bug?extid=2313dda4dc4885c93578 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=106c68f8580000 Note: testing is done by a robot and is best-effort only. ^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [syzbot] Re: KASAN: use-after-free Read in ocfs2_search_extent_list() 2024-12-09 23:04 [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list syzbot 2024-12-10 11:02 ` Edward Adam Davis 2024-12-10 11:23 ` Julian Sun @ 2024-12-10 11:27 ` syzbot 2 siblings, 0 replies; 7+ messages in thread From: syzbot @ 2024-12-10 11:27 UTC (permalink / raw) To: linux-kernel, syzkaller-bugs For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: Re: KASAN: use-after-free Read in ocfs2_search_extent_list() Author: dmantipov@yandex.ru #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 7cb1b466315004af98f6ba6c2546bb713ca3c237 diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 395e23920632..841135341898 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -770,6 +770,10 @@ int ocfs2_search_extent_list(struct ocfs2_extent_list *el, u32 v_cluster) struct ocfs2_extent_rec *rec; u32 rec_end, rec_start, clusters; + /* Do not search over an invalid extent list. */ + if (le16_to_cpu(el->l_next_free_rec) >= le16_to_cpu(el->l_count)) + return ret; + for(i = 0; i < le16_to_cpu(el->l_next_free_rec); i++) { rec = &el->l_recs[i]; ^ permalink raw reply related [flat|nested] 7+ messages in thread
[parent not found: <20241210112732.8xyF9%dmantipov@yandex.ru>]
* Re: [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list [not found] <20241210112732.8xyF9%dmantipov@yandex.ru> @ 2024-12-10 12:06 ` syzbot 0 siblings, 0 replies; 7+ messages in thread From: syzbot @ 2024-12-10 12:06 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+2313dda4dc4885c93578@syzkaller.appspotmail.com Tested-by: syzbot+2313dda4dc4885c93578@syzkaller.appspotmail.com Tested on: commit: 7cb1b466 Merge tag 'locking_urgent_for_v6.13_rc3' 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=138953e8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fee25f93665c89ac dashboard link: https://syzkaller.appspot.com/bug?extid=2313dda4dc4885c93578 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=150153e8580000 Note: testing is done by a robot and is best-effort only. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2024-12-10 12:06 UTC | newest]
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2024-12-09 23:04 [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list syzbot
2024-12-10 11:02 ` Edward Adam Davis
2024-12-10 11:28 ` syzbot
2024-12-10 11:23 ` Julian Sun
2024-12-10 11:47 ` syzbot
2024-12-10 11:27 ` [syzbot] Re: KASAN: use-after-free Read in ocfs2_search_extent_list() syzbot
[not found] <20241210112732.8xyF9%dmantipov@yandex.ru>
2024-12-10 12:06 ` [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list syzbot
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