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KASAN: use-after-free Read in ext4_find_extent

Status: upstream: reported C repro on 2022/12/26 07:59
Bug presence: origin:lts
Subsystems: ext4
[Documentation on labels]
Reported-by: syzbot+0827b4b52b5ebf65f219@syzkaller.appspotmail.com
First crash: 1097d, last: 6d06h
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
[PATCH v2] ext4: Fix possible use-after-free in ext4_find_extent 6 (6) 2023/01/02 05:41
[PATCH] ext4: Fix possible use-after-free in ext4_find_extent 2 (2) 2022/12/29 22:40
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2023/09/22 lts (merge base) aff03380bda4 C [report] kernel BUG in ext4_writepages
2023/09/22 upstream (ToT) 27bbf45eae9c C Didn't crash
▶ ▼ Similar bugs (11)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 KASAN: use-after-free Read in ext4_find_extent 19 C 2 197d 295d 0/2 upstream: reported C repro on 2025/02/13 21:05
android-5-10 KASAN: use-after-free Read in ext4_find_extent ext4 19 C error inconclusive 62 8h28m 1075d 0/2 upstream: reported C repro on 2022/12/26 07:59
android-6-1 KASAN: use-after-free Read in ext4_find_extent missing-backport 19 C error done 3 404d 901d 0/2 auto-obsoleted due to no activity on 2025/02/04 04:57
linux-5.15 KASAN: use-after-free Read in ext4_find_extent origin:lts-only 19 C inconclusive 7 5d08h 870d 0/3 upstream: reported C repro on 2023/07/19 14:49
upstream KASAN: use-after-free Read in ext4_find_extent ext4 19 2 1507d 1568d 0/29 auto-closed as invalid on 2022/02/17 05:19
android-6-1 KASAN: use-after-free Read in ext4_find_extent (2) origin:lts 19 C 16 4d12h 188d 0/2 upstream: reported C repro on 2025/05/31 08:45
linux-6.1 KASAN: use-after-free Read in ext4_find_extent origin:upstream missing-backport 19 C done 62 69d 809d 0/3 upstream: reported C repro on 2023/09/19 00:11
upstream KASAN: use-after-free Read in ext4_find_extent (2) ext4 19 C error 2 946d 1070d 22/29 fixed on 2023/06/08 14:41
upstream KASAN: use-after-free Read in ext4_find_extent (4) ext4 19 C done 165 3d15h 340d 0/29 upstream: reported C repro on 2024/12/30 20:06
upstream KASAN: use-after-free Read in ext4_find_extent (3) prio:low ext4 19 C error done 31 710d 892d 25/29 fixed on 2024/01/30 23:26
android-54 KASAN: slab-out-of-bounds Read in ext4_find_extent ext4 17 C 1 889d 1075d 0/2 auto-obsoleted due to no activity on 2023/10/08 03:20
▶ ▼ Last patch testing requests (13)
Created Duration User Patch Repo Result
2025/11/21 12:53 6m retest repro android13-5.15-lts report log
2025/11/21 12:53 6m retest repro android13-5.15-lts report log
2025/11/21 12:53 6m retest repro android13-5.15-lts report log
2025/11/21 12:53 17m retest repro android13-5.15-lts report log
2025/11/21 12:53 31m retest repro android13-5.15-lts report log
2025/11/04 01:52 8m retest repro android13-5.15-lts report log
2025/11/04 01:52 7m retest repro android13-5.15-lts report log
2025/11/04 01:52 18m retest repro android13-5.15-lts report log
2025/11/04 01:52 14m retest repro android13-5.15-lts report log
2025/11/04 01:52 39m retest repro android13-5.15-lts OK log
2022/12/28 14:25 13m tudor.ambarus@linaro.org https://github.com/ambarus/linux.git 5ee4e1b578324fdfde35eaf5ceb30a19336c97f6 OK log
2022/12/28 13:48 7m tudor.ambarus@linaro.org upstream report log
2022/12/28 13:47 13m tudor.ambarus@linaro.org https://github.com/ambarus/linux.git f3c76c42a554367d313d2e315676b19535089ac3 OK log
▶ ▼ Fix bisection attempts (7)
Created Duration User Patch Repo Result
2024/05/16 00:06 40m bisect fix android13-5.15-lts OK (0) job log log
2023/10/23 19:44 42m bisect fix android13-5.15-lts OK (0) job log log
2023/07/31 02:16 55m bisect fix android13-5.15-lts OK (0) job log log
2023/06/01 08:00 16m bisect fix android13-5.15-lts OK (0) job log log
2023/05/01 12:38 18m bisect fix android13-5.15-lts OK (0) job log log
2023/03/04 00:47 18m bisect fix android13-5.15-lts OK (0) job log log
2023/02/01 21:22 28m bisect fix android13-5.15-lts OK (0) job log log

Sample crash report:
EXT4-fs (loop2): mounted filesystem without journal. Opts: errors=remount-ro,dioread_lock,noquota,init_itable,debug,resgid=0x0000000000000000,sysvgroups,discard,usrquota,. Quota mode: writeback.
ext4 filesystem being mounted at /0/file1 supports timestamps until 2038-01-19 (0x7fffffff)
==================================================================
BUG: KASAN: use-after-free in ext4_ext_binsearch fs/ext4/extents.c:827 [inline]
BUG: KASAN: use-after-free in ext4_find_extent+0xbeb/0xe20 fs/ext4/extents.c:946
Read of size 4 at addr ffff88812e5ba398 by task syz.2.17/371

CPU: 0 PID: 371 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0xf1/0x140 mm/kasan/report.c:444
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 ext4_ext_binsearch fs/ext4/extents.c:827 [inline]
 ext4_find_extent+0xbeb/0xe20 fs/ext4/extents.c:946
 ext4_ext_remove_space+0x2bc/0x4180 fs/ext4/extents.c:2834
 ext4_punch_hole+0x77c/0xbd0 fs/ext4/inode.c:4137
 ext4_fallocate+0x2b6/0x1de0 fs/ext4/extents.c:4765
 vfs_fallocate+0x4b4/0x590 fs/open.c:309
 madvise_remove mm/madvise.c:964 [inline]
 madvise_vma_behavior mm/madvise.c:988 [inline]
 madvise_walk_vmas mm/madvise.c:1218 [inline]
 do_madvise+0x12c8/0x2200 mm/madvise.c:1396
 __do_sys_madvise mm/madvise.c:1409 [inline]
 __se_sys_madvise mm/madvise.c:1407 [inline]
 __x64_sys_madvise+0xa9/0xc0 mm/madvise.c:1407
 x64_sys_call+0x89b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:29
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6ee22b5749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffc00e080d8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f6ee250bfa0 RCX: 00007f6ee22b5749
RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000
RBP: 00007f6ee2339f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6ee250bfa0 R14: 00007f6ee250bfa0 R15: 0000000000000003
 </TASK>

The buggy address belongs to the page:
page:ffffea0004b96e80 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12e5ba
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 ffffea0004b96e88 ffffea0004b96e88 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)

Memory state around the buggy address:
 ffff88812e5ba280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812e5ba300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88812e5ba380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                            ^
 ffff88812e5ba400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812e5ba480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
------------[ cut here ]------------
kernel BUG at fs/ext4/extents.c:3186!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 371 Comm: syz.2.17 Tainted: G    B             syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:ext4_split_extent_at+0xe5a/0xe80 fs/ext4/extents.c:3186
Code: 6c 76 d3 ff e9 d1 fb ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c de fb ff ff 48 89 df e8 30 76 d3 ff e9 d1 fb ff ff e8 96 f4 94 ff <0f> 0b e8 8f f4 94 ff 0f 0b e8 88 f4 94 ff 0f 0b e8 81 f4 94 ff 0f
RSP: 0018:ffffc90000c074e0 EFLAGS: 00010293
RAX: ffffffff81d3ca4a RBX: 0000000000000000 RCX: ffff888101b9cf00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000002a
RBP: ffffc90000c07650 R08: 0000000000000000 R09: 0000000050000028
R10: fffffbfff0e1824c R11: 1ffffffff0e1824c R12: dffffc0000000000
R13: 000000000000002a R14: 0000000000000030 R15: 0000000000000000
FS:  00005555775a2500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5eebc39000 CR3: 000000012aa9a000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_force_split_extent_at fs/ext4/extents.c:319 [inline]
 ext4_ext_remove_space+0x64b/0x4180 fs/ext4/extents.c:2880
 ext4_punch_hole+0x77c/0xbd0 fs/ext4/inode.c:4137
 ext4_fallocate+0x2b6/0x1de0 fs/ext4/extents.c:4765
 vfs_fallocate+0x4b4/0x590 fs/open.c:309
 madvise_remove mm/madvise.c:964 [inline]
 madvise_vma_behavior mm/madvise.c:988 [inline]
 madvise_walk_vmas mm/madvise.c:1218 [inline]
 do_madvise+0x12c8/0x2200 mm/madvise.c:1396
 __do_sys_madvise mm/madvise.c:1409 [inline]
 __se_sys_madvise mm/madvise.c:1407 [inline]
 __x64_sys_madvise+0xa9/0xc0 mm/madvise.c:1407
 x64_sys_call+0x89b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:29
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f6ee22b5749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffc00e080d8 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f6ee250bfa0 RCX: 00007f6ee22b5749
RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000200000000000
RBP: 00007f6ee2339f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6ee250bfa0 R14: 00007f6ee250bfa0 R15: 0000000000000003
 </TASK>
Modules linked in:
---[ end trace 4630d4914eb39e5a ]---
RIP: 0010:ext4_split_extent_at+0xe5a/0xe80 fs/ext4/extents.c:3186
Code: 6c 76 d3 ff e9 d1 fb ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c de fb ff ff 48 89 df e8 30 76 d3 ff e9 d1 fb ff ff e8 96 f4 94 ff <0f> 0b e8 8f f4 94 ff 0f 0b e8 88 f4 94 ff 0f 0b e8 81 f4 94 ff 0f
RSP: 0018:ffffc90000c074e0 EFLAGS: 00010293
RAX: ffffffff81d3ca4a RBX: 0000000000000000 RCX: ffff888101b9cf00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000002a
RBP: ffffc90000c07650 R08: 0000000000000000 R09: 0000000050000028
R10: fffffbfff0e1824c R11: 1ffffffff0e1824c R12: dffffc0000000000
R13: 000000000000002a R14: 0000000000000030 R15: 0000000000000000
FS:  00005555775a2500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5eebc39000 CR3: 000000012aa9a000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (102):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/11/29 19:10 android13-5.15-lts 057fdbf6d3c7 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/11/23 14:44 android13-5.15-lts 057fdbf6d3c7 4fb8ef37 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/10/19 21:09 android13-5.15-lts bce84c40a40b 1c8c8cd8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/08/18 06:22 android13-5.15-lts f32b52534f1d 1804e95e .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/08/10 00:25 android13-5.15-lts f32b52534f1d 32a0e5ed .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/05/10 04:12 android13-5.15-lts f93c8b5a9e60 77908e5f .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/03/31 16:29 android13-5.15-lts 5e1b899f19c3 d3999433 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2023/09/22 15:16 android13-5.15-lts ea586874d2f9 0b6a67ac .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2023/06/16 06:36 android13-5.15-lts 19c0ed55a470 f3921d4d .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2023/04/01 06:28 android13-5.15-lts 7364b7abbafb f325deb0 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2023/03/19 02:20 android13-5.15-lts 5448b2fda85f 7939252e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/11/07 08:37 android13-5.15-lts 8a8f52308945 4e1406b4 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/06/20 07:55 android13-5.15-lts e678c93d43cc ed3e87f7 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (clean fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2022/12/14 02:48 android13-5.15-lts 7048384c9872 f6511626 .config strace log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2022/12/12 18:12 android13-5.15-lts 7048384c9872 67be1ae7 .config strace log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2022/12/04 17:22 android13-5.15-lts 92f701cae0bc e080de16 .config strace log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2022/12/26 07:49 android13-5.15-lts c73b4619ad86 9da18ae8 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/10/15 09:32 android13-5.15-lts bce84c40a40b b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/10/06 01:55 android13-5.15-lts 2bbc293701f8 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/10/03 19:57 android13-5.15-lts 2bbc293701f8 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/09/23 00:21 android13-5.15-lts 8d934e0056f7 0ac7291c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/09/18 14:38 android13-5.15-lts 8d934e0056f7 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/08/18 23:54 android13-5.15-lts f32b52534f1d 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/08/10 23:44 android13-5.15-lts f32b52534f1d 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/08/10 08:16 android13-5.15-lts f32b52534f1d 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/08/01 11:41 android13-5.15-lts f32b52534f1d 40127d41 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/31 20:09 android13-5.15-lts f32b52534f1d 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/31 12:53 android13-5.15-lts f32b52534f1d f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/31 07:22 android13-5.15-lts f32b52534f1d f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/31 05:43 android13-5.15-lts f32b52534f1d f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/31 00:48 android13-5.15-lts f32b52534f1d f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/30 14:32 android13-5.15-lts f32b52534f1d f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 09:58 android13-5.15-lts f32b52534f1d c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 06:05 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 06:04 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 06:03 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 06:03 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 06:00 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 06:00 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 06:00 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 06:00 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 05:59 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 05:58 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 05:58 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 05:58 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 05:57 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/29 05:57 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/07/14 08:47 android13-5.15-lts 32c443bd6d40 3cda49cf .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-android-5-15 KASAN: use-after-free Read in ext4_find_extent
2025/09/18 02:48 android13-5.15-lts 8d934e0056f7 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/31 16:06 android13-5.15-lts f32b52534f1d 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/31 14:56 android13-5.15-lts f32b52534f1d f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/31 07:22 android13-5.15-lts f32b52534f1d f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/30 22:44 android13-5.15-lts f32b52534f1d f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/29 20:15 android13-5.15-lts f32b52534f1d f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/29 06:04 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/29 06:04 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/29 06:00 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/29 05:58 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
2025/07/29 05:57 android13-5.15-lts a71626bd56a5 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 KASAN: slab-out-of-bounds Read in ext4_find_extent
* Struck through repros no longer work on HEAD.