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KASAN: use-after-free Read in release_metapage

Status: upstream: reported C repro on 2023/01/02 10:00
Subsystems: jfs
[Documentation on labels]
Reported-by: syzbot+f1521383cec5f7baaa94@syzkaller.appspotmail.com
First crash: 1290d, last: 7h32m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ ✨ AI Jobs (5)
ID Workflow Result Correct Bug Created Started Finished Revision Error
cbfe0979-47da-4cb6-83d5-c538236f99ef assessment-security 💥 KASAN: use-after-free Read in release_metapage 2026/06/18 01:42 2026/06/18 01:42 2026/06/18 02:04 b62b3ded1759f79b37600c5ffe2b0a81b919b0b0 
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/aed20a4ff936f79480...
truncated to first 200 bytes; open job for full error
4ef41bc6-260f-4b3e-8283-11888ece7d2c assessment-security 💥 KASAN: use-after-free Read in release_metapage 2026/06/09 21:53 2026/06/09 21:53 2026/06/09 22:13 c36c07f6c1f2230a36374cbd22235f635e8f9284 
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/aed20a4ff936f79480...
truncated to first 200 bytes; open job for full error
4b22de9e-f986-4980-a7e2-393cf007e54a assessment-security 💥 KASAN: use-after-free Read in release_metapage 2026/06/02 23:10 2026/06/02 23:10 2026/06/02 23:34 62fe15281f5011cd203d8845b8767b10e7443aa5 
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/aed20a4ff936f79480...
truncated to first 200 bytes; open job for full error
e39c8cc8-d912-4a80-aab8-f9ddf1409d07 assessment-security 💥 KASAN: use-after-free Read in release_metapage 2026/05/31 11:01 2026/05/31 11:01 2026/05/31 11:22 6b4a844333e83556da95d61d7f207e7ef5cd4bc6 
failed to run ["make" "KERNELVERSION=syzkaller" "KERNELRELEASE=syzkaller" "LOCALVERSION=-syzkaller" "-j" "32" "ARCH=x86_64" "CC=ccache clang" "LD=ld.lld" "O=/app/workdir/cache/build/aed20a4ff936f79480...
truncated to first 200 bytes; open job for full error
7a591cc0-51d4-4b19-9f99-11960d667eb5 assessment-security 💥 KASAN: use-after-free Read in release_metapage 2026/05/14 16:26 2026/05/14 16:26 2026/05/14 16:27 6ccb967e465e832a7bfd7a116ad00d52a0923a5d 
failed to run ["git" "pull" "origin" "HEAD" "--depth=1" "--allow-unrelated-histories"]: exit status 128
From /app/workdir/repo/linux
 * branch                HEAD       -> FETCH_HEAD
Updating files:  ...
truncated to first 200 bytes; open job for full error
▶ ▼ Discussions (10)
Title Replies (including bot) Last reply
[syzbot] Monthly jfs report (Nov 2024) 0 (1) 2024/11/15 10:49
[syzbot] Monthly jfs report (Oct 2024) 0 (1) 2024/10/14 19:37
[syzbot] [jfs?] KASAN: use-after-free Read in release_metapage 0 (3) 2024/08/03 19:28
[syzbot] Monthly jfs report (Mar 2024) 0 (1) 2024/03/06 22:08
[syzbot] Monthly jfs report (Feb 2024) 0 (1) 2024/02/04 13:30
[syzbot] Monthly jfs report (Jan 2024) 0 (1) 2024/01/04 12:38
[syzbot] Monthly jfs report (Dec 2023) 0 (1) 2023/12/04 12:38
[syzbot] Monthly jfs report (Aug 2023) 0 (1) 2023/08/30 09:54
[syzbot] Monthly jfs report (Jul 2023) 0 (1) 2023/07/30 13:16
[syzbot] Monthly jfs report (Jun 2023) 0 (1) 2023/06/29 09:14
▶ ▼ Similar bugs (11)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 KASAN: use-after-free Read in release_metapage (2) 19 3 526d 597d 0/3 auto-obsoleted due to no activity on 2025/05/01 23:31
linux-6.1 KASAN: use-after-free Read in release_metapage (5) 19 2 158d 158d 0/3 auto-obsoleted due to no activity on 2026/05/05 00:34
linux-6.1 KASAN: use-after-free Read in release_metapage 19 1 1016d 1016d 0/3 auto-obsoleted due to no activity on 2023/12/29 12:55
linux-5.15 BUG: spinlock bad magic in release_metapage origin:upstream 19 C error 95 7d09h 655d 0/3 upstream: reported C repro on 2024/09/15 11:43
linux-4.14 KASAN: use-after-free Read in release_metapage 19 1 1331d 1331d 0/1 auto-obsoleted due to no activity on 2023/03/09 00:53
linux-6.1 KASAN: use-after-free Read in release_metapage (6) 19 C 2 18d 18d 0/3 upstream: reported C repro on 2026/06/14 02:56
linux-6.1 KASAN: use-after-free Read in release_metapage (2) 19 1 791d 791d 0/3 auto-obsoleted due to no activity on 2024/08/10 05:44
linux-6.1 KASAN: use-after-free Read in release_metapage (4) 19 1 406d 406d 0/3 auto-obsoleted due to no activity on 2025/08/30 02:20
linux-5.15 KASAN: use-after-free Read in release_metapage 19 1 994d 994d 0/3 auto-obsoleted due to no activity on 2024/01/20 09:39
linux-6.1 KASAN: use-after-free Read in release_metapage (3) 19 1 597d 597d 0/3 auto-obsoleted due to no activity on 2025/02/20 12:24
upstream BUG: spinlock bad magic in release_metapage prio:high jfs 15 C inconclusive 866 12d 660d 0/29 upstream: reported C repro on 2024/09/10 08:16
▶ ▼ Last patch testing requests (6)
Created Duration User Patch Repo Result
2024/11/08 23:17 13m retest repro upstream report log
2024/11/08 23:17 21m retest repro upstream report log
2024/11/07 17:49 19m retest repro upstream OK log
2024/11/07 17:49 19m retest repro upstream OK log
2024/07/11 09:38 23m retest repro upstream OK log
2024/04/01 15:01 24m retest repro upstream error
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/08/03 11:37 7h50m bisect fix upstream OK (1) job log
marked invalid by nogikh@google.com

Sample crash report:
ERROR: (device loop3): remounting filesystem as read-only
==================================================================
BUG: KASAN: slab-use-after-free in drop_metapage fs/jfs/jfs_metapage.c:229 [inline]
BUG: KASAN: slab-use-after-free in release_metapage+0x64b/0x960 fs/jfs/jfs_metapage.c:784
Read of size 8 at addr ffff88802f2508e0 by task syz-executor224/5271

CPU: 0 UID: 0 PID: 5271 Comm: syz-executor224 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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:377 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:488
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 drop_metapage fs/jfs/jfs_metapage.c:229 [inline]
 release_metapage+0x64b/0x960 fs/jfs/jfs_metapage.c:784
 write_metapage fs/jfs/jfs_metapage.h:75 [inline]
 flush_metapage fs/jfs/jfs_metapage.h:81 [inline]
 ea_put fs/jfs/xattr.c:618 [inline]
 __jfs_setxattr+0xad9/0x1190 fs/jfs/xattr.c:787
 jfs_initxattrs+0x128/0x1d0 fs/jfs/xattr.c:1035
 security_inode_init_security+0x29c/0x480 security/security.c:1848
 jfs_init_security+0xa9/0x110 fs/jfs/xattr.c:1047
 jfs_mkdir+0x2c7/0xba0 fs/jfs/namei.c:240
 vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4257
 do_mkdirat+0x264/0x3a0 fs/namei.c:4280
 __do_sys_mkdirat fs/namei.c:4295 [inline]
 __se_sys_mkdirat fs/namei.c:4293 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4293
 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: 0033:0x7fca621e6d69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1f 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fca6216d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fca62275498 RCX: 00007fca621e6d69
RDX: 0000000000000135 RSI: 0000000020000140 RDI: 00000000ffffff9c
RBP: 00007fca62275490 R08: 00007ffef1ea0e17 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fca6227549c
R13: 000000000000006e R14: 00007ffef1ea0d30 R15: 00007ffef1ea0e18
 </TASK>

Allocated by task 5271:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 unpoison_slab_object mm/kasan/common.c:319 [inline]
 __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
 mempool_alloc_noprof+0x197/0x5a0 mm/mempool.c:402
 alloc_metapage fs/jfs/jfs_metapage.c:182 [inline]
 __get_metapage+0x4ed/0xef0 fs/jfs/jfs_metapage.c:652
 ea_get+0xb6f/0x12c0 fs/jfs/xattr.c:528
 __jfs_setxattr+0x4ba/0x1190 fs/jfs/xattr.c:722
 jfs_initxattrs+0x128/0x1d0 fs/jfs/xattr.c:1035
 security_inode_init_security+0x29c/0x480 security/security.c:1848
 jfs_init_security+0xa9/0x110 fs/jfs/xattr.c:1047
 jfs_mkdir+0x2c7/0xba0 fs/jfs/namei.c:240
 vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4257
 do_mkdirat+0x264/0x3a0 fs/namei.c:4280
 __do_sys_mkdirat fs/namei.c:4295 [inline]
 __se_sys_mkdirat fs/namei.c:4293 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4293
 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

Freed by task 5267:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:2342 [inline]
 slab_free mm/slub.c:4579 [inline]
 kmem_cache_free+0x1a2/0x420 mm/slub.c:4681
 free_metapage fs/jfs/jfs_metapage.c:197 [inline]
 metapage_release_folio+0x412/0x540 fs/jfs/jfs_metapage.c:552
 folio_invalidate mm/truncate.c:141 [inline]
 truncate_cleanup_folio+0x11a/0x450 mm/truncate.c:161
 truncate_inode_pages_range+0x2da/0xfc0 mm/truncate.c:342
 jfs_remount+0x364/0x6b0 fs/jfs/super.c:451
 reconfigure_super+0x445/0x880 fs/super.c:1083
 do_remount fs/namespace.c:3047 [inline]
 path_mount+0xc22/0xfa0 fs/namespace.c:3826
 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

The buggy address belongs to the object at ffff88802f2508b8
 which belongs to the cache jfs_mp of size 184
The buggy address is located 40 bytes inside of
 freed 184-byte region [ffff88802f2508b8, ffff88802f250970)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2f250
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801e392780 dead000000000122 0000000000000000
raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5267, tgid 5266 (syz-executor224), ts 70093048953, free_ts 70086999042
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x3039/0x3180 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4733
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 alloc_slab_page+0x6a/0x120 mm/slub.c:2412
 allocate_slab+0x5a/0x2f0 mm/slub.c:2578
 new_slab mm/slub.c:2631 [inline]
 ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3818
 __slab_alloc+0x58/0xa0 mm/slub.c:3908
 __slab_alloc_node mm/slub.c:3961 [inline]
 slab_alloc_node mm/slub.c:4122 [inline]
 kmem_cache_alloc_noprof+0x1c1/0x2a0 mm/slub.c:4141
 mempool_alloc_noprof+0x197/0x5a0 mm/mempool.c:402
 alloc_metapage fs/jfs/jfs_metapage.c:182 [inline]
 __get_metapage+0x4ed/0xef0 fs/jfs/jfs_metapage.c:652
 diReadSpecial+0x25d/0x680 fs/jfs/jfs_imap.c:447
 jfs_mount+0x75/0x830 fs/jfs/jfs_mount.c:87
 jfs_fill_super+0x59c/0xc50 fs/jfs/super.c:556
 mount_bdev+0x20a/0x2d0 fs/super.c:1679
 legacy_get_tree+0xee/0x190 fs/fs_context.c:662
page last free pid 4675 tgid 4675 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0xcd0/0xf00 mm/page_alloc.c:2638
 discard_slab mm/slub.c:2677 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:3145
 put_cpu_partial+0x17c/0x250 mm/slub.c:3220
 __slab_free+0x2ea/0x3d0 mm/slub.c:4449
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:247 [inline]
 slab_post_alloc_hook mm/slub.c:4085 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
 getname_flags+0xb7/0x540 fs/namei.c:139
 vfs_fstatat+0x12c/0x190 fs/stat.c:340
 __do_sys_newfstatat fs/stat.c:505 [inline]
 __se_sys_newfstatat fs/stat.c:499 [inline]
 __x64_sys_newfstatat+0x11d/0x1a0 fs/stat.c:499
 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

Memory state around the buggy address:
 ffff88802f250780: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
 ffff88802f250800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc
>ffff88802f250880: fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb
                                                       ^
 ffff88802f250900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
 ffff88802f250980: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb
==================================================================

Crashes (3026):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/24 17:38 upstream c2ee9f594da8 0d144d1a .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] [mounted in repro #3] ci2-upstream-fs KASAN: slab-use-after-free Read in release_metapage
2025/11/06 01:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci dcb6fa37fd7b a6c9c731 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci-upstream-gce-arm64 KASAN: slab-use-after-free Read in release_metapage
2025/11/05 20:56 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci dcb6fa37fd7b a6c9c731 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci-upstream-gce-arm64 KASAN: slab-use-after-free Read in release_metapage
2024/11/11 14:13 upstream 2d5404caa8c7 0c4b1325 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs KASAN: slab-use-after-free Read in release_metapage
2024/10/04 22:05 upstream 360c1f1f24c6 d7906eff .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-upstream-fs KASAN: slab-use-after-free Read in release_metapage
2023/05/19 04:17 upstream 4d6d4c7f541d 3bb7af1d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root KASAN: slab-use-after-free Read in release_metapage
2023/01/06 10:57 upstream 1f5abbd77e2c 1dac8c7a .config console log report info ci-qemu-upstream KASAN: use-after-free Read in release_metapage
2022/12/19 23:16 upstream 2f26e424552e c52b2efb .config console log report info ci-qemu-upstream KASAN: use-after-free Read in release_metapage
2026/06/24 02:22 upstream 558ef39aeb9a 042555ff .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs KASAN: slab-use-after-free Read in release_metapage
2026/06/20 08:34 upstream 1a3746ccbb0a 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: slab-use-after-free Read in release_metapage
2024/11/15 03:12 upstream cfaaa7d010d1 77f3eeb7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root KASAN: slab-use-after-free Read in release_metapage
2024/10/12 19:34 upstream 09f6b0c8904b 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs KASAN: wild-memory-access Read in release_metapage
2026/07/02 12:02 upstream 4a50a141f05a 27192279 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/07/02 10:12 upstream 4a50a141f05a 27192279 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/07/01 22:36 upstream 665159e24674 5fb9973c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/07/01 20:35 upstream 665159e24674 5fb9973c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/07/01 17:28 upstream 665159e24674 5fb9973c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/07/01 15:21 upstream 665159e24674 5fb9973c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/07/01 10:03 upstream 665159e24674 00a5cf1c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/30 22:32 upstream dc59e4fea9d8 e5173a01 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/30 21:18 upstream dc59e4fea9d8 e5173a01 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/30 20:11 upstream dc59e4fea9d8 e5173a01 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/30 16:05 upstream dc59e4fea9d8 e5173a01 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/30 12:49 upstream dc59e4fea9d8 e5173a01 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/30 03:40 upstream dc59e4fea9d8 fff8d0a0 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/29 20:15 upstream dc59e4fea9d8 6a0c72dc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/29 18:21 upstream dc59e4fea9d8 6a0c72dc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/29 14:37 upstream dc59e4fea9d8 6a0c72dc .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/29 08:29 upstream dc59e4fea9d8 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/29 02:39 upstream dc59e4fea9d8 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/29 01:39 upstream 8b69c0475871 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/29 01:33 upstream 8b69c0475871 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/28 23:39 upstream 8b69c0475871 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/28 22:31 upstream 8b69c0475871 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/28 20:46 upstream 8b69c0475871 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/28 11:57 upstream 780d569e6c4b fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/28 06:10 upstream 780d569e6c4b fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/28 01:01 upstream 780d569e6c4b fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/27 23:42 upstream 780d569e6c4b fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/27 21:30 upstream 5a66900afbd6 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/27 17:44 upstream 5a66900afbd6 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/27 13:52 upstream 5a66900afbd6 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/27 08:58 upstream 5a66900afbd6 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/27 07:57 upstream 5a66900afbd6 fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/27 05:41 upstream 51cb1aa1250c fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/27 04:13 upstream 51cb1aa1250c fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/27 02:27 upstream 51cb1aa1250c fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/26 18:18 upstream 51cb1aa1250c fb92f11c .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/26 10:51 upstream 4edcdefd4083 7ff32d8b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/26 07:59 upstream 4edcdefd4083 7ff32d8b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/26 01:20 upstream 4edcdefd4083 7ff32d8b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/25 16:42 upstream ab9de95c9cf9 432fd51a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/25 12:03 upstream ab9de95c9cf9 432fd51a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/25 09:03 upstream f0e6f20cb52b cfa969bf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/25 04:55 upstream f0e6f20cb52b cfa969bf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/25 03:08 upstream f0e6f20cb52b cfa969bf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/24 20:35 upstream 840ef6c78e6a c1da772e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2026/06/24 19:06 upstream 840ef6c78e6a c1da772e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2024/08/21 17:59 upstream b311c1b497e5 d504e3fd .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2024/08/21 17:13 upstream b311c1b497e5 d504e3fd .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in release_metapage
2024/08/19 22:04 upstream b0da640826ba 9f0ab3fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KFENCE: use-after-free in release_metapage
2024/05/27 17:19 upstream 2bfcfd584ff5 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: slab-use-after-free Read in release_metapage
2024/06/26 06:21 upstream 55027e689933 c2e07261 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 KASAN: slab-use-after-free Read in release_metapage
2023/05/19 03:50 upstream 4d6d4c7f541d 3bb7af1d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root KASAN: slab-use-after-free Read in release_metapage
2025/12/31 12:28 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root KASAN: slab-use-after-free Read in release_metapage
2026/01/30 23:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 59e4d31a0470 e01a0ca6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 KASAN: slab-use-after-free Read in release_metapage
* Struck through repros no longer work on HEAD.