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KASAN: use-after-free Read in ext4_xattr_delete_inode

Status: upstream: reported C repro on 2024/05/31 08:44
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+93b5dbd72bdcbd60b5ec@syzkaller.appspotmail.com
First crash: 119d, last: 10d
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2024/05/31 lts (merge base) 8b4118fabd6e C [report] KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/05/31 upstream (ToT) 4a4be1ad3a6e C [report] KASAN: use-after-free Read in ext4_xattr_delete_inode
▶ ▼ Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 KASAN: use-after-free Read in ext4_xattr_delete_inode 50 91d 116d 0/3 auto-obsoleted due to no activity on 2024/09/06 15:54
android-54 KASAN: use-after-free Read in ext4_xattr_delete_inode C 212 1d16h 124d 0/2 upstream: reported C repro on 2024/05/26 05:00
android-5-15 KASAN: use-after-free Read in ext4_xattr_delete_inode origin:upstream C 194 33d 119d 0/2 upstream: reported C repro on 2024/05/31 07:59
android-5-10 KASAN: use-after-free Read in ext4_xattr_delete_inode C 47 37d 119d 0/2 upstream: reported C repro on 2024/05/31 07:37
linux-5.15 KASAN: use-after-free Read in ext4_xattr_delete_inode origin:upstream C 48 24d 119d 0/3 upstream: reported C repro on 2024/05/31 07:20
▶ ▼ Last patch testing requests (6)
Created Duration User Patch Repo Result
2024/09/15 17:55 6m retest repro android14-6.1 report log
2024/09/15 17:55 14m retest repro android14-6.1 report log
2024/09/15 17:55 14m retest repro android14-6.1 report log
2024/09/15 17:55 6m retest repro android14-6.1 report log
2024/09/15 17:55 9m retest repro android14-6.1 report log
2024/06/28 01:25 11m retest repro android14-6.1 report log
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/08/07 00:52 1h06m bisect fix android14-6.1 OK (0) job log log

Sample crash report:
==================================================================
BUG: KASAN: use-after-free in ext4_xattr_delete_inode+0xcd0/0xce0 fs/ext4/xattr.c:2905
Read of size 4 at addr ffff88811e78d000 by task syz-executor374/303

CPU: 0 PID: 303 Comm: syz-executor374 Not tainted 6.1.93-syzkaller-00008-gd1f3a046a65d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:316 [inline]
 print_report+0x158/0x4e0 mm/kasan/report.c:427
 kasan_report+0x13c/0x170 mm/kasan/report.c:531
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350
 ext4_xattr_delete_inode+0xcd0/0xce0 fs/ext4/xattr.c:2905
 ext4_evict_inode+0xef9/0x1550 fs/ext4/inode.c:296
 evict+0x2a3/0x630 fs/inode.c:666
 iput_final fs/inode.c:1791 [inline]
 iput+0x616/0x690 fs/inode.c:1817
 d_delete_notify include/linux/fsnotify.h:286 [inline]
 vfs_rmdir+0x3c2/0x500 fs/namei.c:4205
 do_rmdir+0x3ab/0x630 fs/namei.c:4253
 __do_sys_rmdir fs/namei.c:4272 [inline]
 __se_sys_rmdir fs/namei.c:4270 [inline]
 __x64_sys_rmdir+0x49/0x50 fs/namei.c:4270
 x64_sys_call+0x274/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:85
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe524e2cdc7
Code: 73 01 c3 48 c7 c1 b8 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 54 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:00007ffd5a5391d8 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe524e2cdc7
RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffd5a53a380
RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffd5a53a380
R13: 0000555556090740 R14: 431bde82d7b634db R15: 00007ffd5a53c500
 </TASK>

The buggy address belongs to the physical page:
page:ffffea000479e340 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x11e78d
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 ffffea000479e3c8 ffffea000479e388 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x8140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO|__GFP_CMA), pid 290, tgid 290 (sshd), ts 24045274920, free_ts 24052542508
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x213/0x220 mm/page_alloc.c:2590
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2597
 get_page_from_freelist+0x27ea/0x2870 mm/page_alloc.c:4425
 __alloc_pages+0x3a1/0x780 mm/page_alloc.c:5714
 __folio_alloc+0x15/0x40 mm/page_alloc.c:5746
 __folio_alloc_node include/linux/gfp.h:245 [inline]
 folio_alloc include/linux/gfp.h:274 [inline]
 alloc_page_vma include/linux/gfp.h:283 [inline]
 do_anonymous_page mm/memory.c:4250 [inline]
 handle_pte_fault mm/memory.c:5130 [inline]
 __handle_mm_fault mm/memory.c:5274 [inline]
 handle_mm_fault+0x1cf7/0x30e0 mm/memory.c:5414
 do_user_addr_fault arch/x86/mm/fault.c:1323 [inline]
 handle_page_fault arch/x86/mm/fault.c:1466 [inline]
 exc_page_fault+0x3b3/0x6d0 arch/x86/mm/fault.c:1522
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:570
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1498 [inline]
 free_pcp_prepare mm/page_alloc.c:1572 [inline]
 free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3498
 free_unref_page_list+0xf1/0x7b0 mm/page_alloc.c:3646
 release_pages+0xf7f/0xfe0 mm/swap.c:1063
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:315
 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
 tlb_flush_mmu mm/mmu_gather.c:261 [inline]
 tlb_finish_mmu+0x1e0/0x3f0 mm/mmu_gather.c:361
 unmap_region+0x2c1/0x310 mm/mmap.c:2403
 do_mas_align_munmap+0xd05/0x1400 mm/mmap.c:2670
 do_brk_munmap mm/mmap.c:3151 [inline]
 __do_sys_brk mm/mmap.c:244 [inline]
 __se_sys_brk+0x831/0xd60 mm/mmap.c:177
 __x64_sys_brk+0x38/0x40 mm/mmap.c:177
 x64_sys_call+0x7c/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:13
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2

Memory state around the buggy address:
 ffff88811e78cf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88811e78cf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88811e78d000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff88811e78d080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88811e78d100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs (loop0): unmounting filesystem.
EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor374: inode #1: comm syz-executor374: iget: illegal inode #
EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor374: error while reading EA inode 1 err=-117

Crashes (101):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/09/17 02:49 android14-6.1 d1f3a046a65d c673ca06 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/08/23 06:43 android14-6.1 514bdc80b9d2 ce8a9099 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/08/22 12:12 android14-6.1 faf32723dc54 ca02180f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/08/22 08:25 android14-6.1 faf32723dc54 ca02180f .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/08/20 14:17 android14-6.1 edca080b95df 9f0ab3fb .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/08/18 04:12 android14-6.1 d6a513a78492 dbc93b08 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/08/18 01:01 android14-6.1 d6a513a78492 dbc93b08 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/08/18 00:30 android14-6.1 d6a513a78492 dbc93b08 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/05/31 08:41 android14-6.1 dd875b63669a 34889ee3 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/09/01 17:24 android14-6.1 b5e374dda921 1eda0d14 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-android-6-1 KASAN: out-of-bounds Read in ext4_xattr_delete_inode
2024/06/14 01:24 android14-6.1 7c734edeaafd a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/13 14:36 android14-6.1 7c734edeaafd a9616ff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/13 03:11 android14-6.1 b22d7c4ca0d3 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/13 00:33 android14-6.1 b22d7c4ca0d3 f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/12 10:21 android14-6.1 dda68b1657b1 f815599d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/12 08:49 android14-6.1 dda68b1657b1 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/12 07:35 android14-6.1 65aed0e2f758 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/12 07:35 android14-6.1 65aed0e2f758 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/12 00:45 android14-6.1 65aed0e2f758 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/11 19:49 android14-6.1 65aed0e2f758 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/11 11:16 android14-6.1 ec795e4eaa8a b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/11 05:54 android14-6.1 ac9706483e98 b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/10 15:46 android14-6.1 ac9706483e98 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/08 21:53 android14-6.1 ac9706483e98 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/07 21:07 android14-6.1 ac9706483e98 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/07 19:07 android14-6.1 62a4d78ddaf1 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/07 06:24 android14-6.1 62a4d78ddaf1 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/06 17:39 android14-6.1 bfacfd198eca 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/06 07:41 android14-6.1 e4622d460ed8 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/06 02:11 android14-6.1 e4622d460ed8 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/05 14:58 android14-6.1 3c19f7015ee3 5aa1a7c9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/05 01:28 android14-6.1 9fcc2459efcd e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/04 13:57 android14-6.1 c5abb6172516 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/04 12:10 android14-6.1 c36abc6d4212 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/04 12:10 android14-6.1 c36abc6d4212 11f2afa5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 22:31 android14-6.1 c36abc6d4212 a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 22:31 android14-6.1 c36abc6d4212 a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 22:31 android14-6.1 c36abc6d4212 a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 22:27 android14-6.1 c36abc6d4212 a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 11:12 android14-6.1 997e6b3f6a21 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 11:12 android14-6.1 997e6b3f6a21 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 10:54 android14-6.1 997e6b3f6a21 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 10:54 android14-6.1 997e6b3f6a21 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 06:20 android14-6.1 74c507aab139 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/03 00:09 android14-6.1 74c507aab139 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/02 14:56 android14-6.1 74c507aab139 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/01 13:47 android14-6.1 74c507aab139 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/01 13:47 android14-6.1 74c507aab139 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/01 13:19 android14-6.1 74c507aab139 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/06/01 13:19 android14-6.1 74c507aab139 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
2024/05/31 07:18 android14-6.1 dd875b63669a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 KASAN: use-after-free Read in ext4_xattr_delete_inode
* Struck through repros no longer work on HEAD.