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KASAN: use-after-free Read in leaf_paste_in_buffer

Status: upstream: reported C repro on 2023/06/16 18:50
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+190978a7032fb7e58db1@syzkaller.appspotmail.com
First crash: 553d, last: 1d13h
▶ ▼ Bug presence (3)
Date Name Commit Repro Result
2024/12/13 linux-6.1.y (ToT) e4d90d63d385 C [report] KASAN: use-after-free Read in leaf_paste_in_buffer
2023/09/16 upstream (ToT) 57d88e8a5974 C [report] UBSAN: array-index-out-of-bounds in do_journal_end
2024/12/13 upstream (ToT) eefa7a9c0699 C Didn't crash
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 KASAN: out-of-bounds Read in leaf_paste_in_buffer origin:upstream missing-backport C error 135 8d09h 551d 0/3 upstream: reported C repro on 2023/06/18 14:09
linux-4.14 KASAN: out-of-bounds Read in leaf_paste_in_buffer reiserfs C 6 657d 748d 0/1 upstream: reported C repro on 2022/12/03 21:39
linux-4.19 KASAN: out-of-bounds Read in leaf_paste_in_buffer reiserfs C 13 682d 755d 0/1 upstream: reported C repro on 2022/11/27 00:33
upstream KASAN: use-after-free Read in leaf_paste_in_buffer reiserfs C error done 310 325d 751d 0/28 auto-obsoleted due to no activity on 2024/04/09 15:59
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2023/08/28 10:26 5h40m fix candidate upstream OK (1) job log
marked invalid by nogikh@google.com

Sample crash report:
REISERFS (device loop0): Using tea hash to sort names
REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are!
REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
==================================================================
BUG: KASAN: use-after-free in leaf_paste_in_buffer+0x631/0xab0
Read of size 48 at addr ffff8880709a8ff0 by task syz-executor402/3557

CPU: 0 PID: 3557 Comm: syz-executor402 Not tainted 6.1.53-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 kasan_check_range+0x27f/0x290 mm/kasan/generic.c:189
 memcpy+0x25/0x60 mm/kasan/shadow.c:65
 leaf_paste_in_buffer+0x631/0xab0
 leaf_copy_dir_entries+0x71a/0xc60 fs/reiserfs/lbalance.c:108
 leaf_copy_boundary_item+0xbbe/0x21b0 fs/reiserfs/lbalance.c:168
 leaf_copy_items fs/reiserfs/lbalance.c:551 [inline]
 leaf_move_items+0xcd0/0x28a0 fs/reiserfs/lbalance.c:726
 leaf_shift_left+0xba/0x430 fs/reiserfs/lbalance.c:750
 balance_leaf+0x15cd/0x12510 fs/reiserfs/do_balan.c:1409
 do_balance+0x309/0x8f0 fs/reiserfs/do_balan.c:1888
 reiserfs_insert_item+0xb56/0xcb0 fs/reiserfs/stree.c:2261
 reiserfs_get_block+0x20b7/0x5150 fs/reiserfs/inode.c:868
 __block_write_begin_int+0x544/0x1a30 fs/buffer.c:1991
 reiserfs_write_begin+0x249/0x510 fs/reiserfs/inode.c:2775
 generic_perform_write+0x2fc/0x5e0 mm/filemap.c:3754
 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3882
 generic_file_write_iter+0xab/0x310 mm/filemap.c:3914
 call_write_iter include/linux/fs.h:2205 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x7ae/0xba0 fs/read_write.c:584
 ksys_write+0x19c/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f4128c9a229
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe8054de38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4128c9a229
RDX: 000000000000000f RSI: 0000000020000100 RDI: 0000000000000006
RBP: 0000000000000000 R08: 00007ffe8054de70 R09: 00007ffe8054de70
R10: 00007ffe8054de70 R11: 0000000000000246 R12: 00007ffe8054de5c
R13: 0000000000000006 R14: 431bde82d7b634db R15: 00007ffe8054de90
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0001c26a00 refcount:3 mapcount:0 mapping:ffff888148d449f8 index:0x214 pfn:0x709a8
memcg:ffff88813fe30000
aops:def_blk_aops ino:700000
flags: 0xfff18000002042(referenced|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff18000002042 0000000000000000 dead000000000122 ffff888148d449f8
raw: 0000000000000214 ffff8880737f10e8 00000003ffffffff ffff88813fe30000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x148c48(GFP_NOFS|__GFP_NOFAIL|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE), pid 3557, tgid 3557 (syz-executor402), ts 57618313192, free_ts 57617884401
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2533
 prep_new_page mm/page_alloc.c:2540 [inline]
 get_page_from_freelist+0x32ed/0x3480 mm/page_alloc.c:4292
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5559
 folio_alloc+0x1a/0x50 mm/mempolicy.c:2290
 filemap_alloc_folio+0xda/0x4f0 mm/filemap.c:971
 __filemap_get_folio+0x711/0xe30 mm/filemap.c:1965
 pagecache_get_page+0x28/0x250 mm/folio-compat.c:110
 find_or_create_page include/linux/pagemap.h:613 [inline]
 grow_dev_page fs/buffer.c:946 [inline]
 grow_buffers fs/buffer.c:1011 [inline]
 __getblk_slow fs/buffer.c:1038 [inline]
 __getblk_gfp+0x211/0xa20 fs/buffer.c:1333
 sb_getblk include/linux/buffer_head.h:356 [inline]
 get_empty_nodes+0x8c1/0xd70 fs/reiserfs/fix_node.c:890
 fix_nodes+0x2615/0x8c70 fs/reiserfs/fix_node.c:2662
 reiserfs_insert_item+0xa7a/0xcb0 fs/reiserfs/stree.c:2240
 indirect2direct+0x695/0xc00 fs/reiserfs/tail_conversion.c:283
 maybe_indirect_to_direct fs/reiserfs/stree.c:1587 [inline]
 reiserfs_cut_from_item+0xba3/0x2580 fs/reiserfs/stree.c:1694
 reiserfs_do_truncate+0xa12/0x15b0 fs/reiserfs/stree.c:1973
 reiserfs_truncate_file+0x4d6/0x810 fs/reiserfs/inode.c:2310
 reiserfs_setattr+0xc57/0x11c0 fs/reiserfs/inode.c:3395
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1460 [inline]
 free_pcp_prepare mm/page_alloc.c:1510 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3388
 free_unref_page_list+0x107/0x810 mm/page_alloc.c:3530
 release_pages+0x2836/0x2b40 mm/swap.c:1055
 __pagevec_release+0x80/0xf0 mm/swap.c:1075
 pagevec_release include/linux/pagevec.h:71 [inline]
 folio_batch_release include/linux/pagevec.h:135 [inline]
 truncate_inode_pages_range+0x48a/0x1340 mm/truncate.c:373
 truncate_inode_pages mm/truncate.c:452 [inline]
 truncate_pagecache mm/truncate.c:753 [inline]
 truncate_setsize+0xcb/0xf0 mm/truncate.c:778
 reiserfs_setattr+0xc4a/0x11c0 fs/reiserfs/inode.c:3394
 notify_change+0xdcd/0x1080 fs/attr.c:483
 do_truncate+0x21c/0x300 fs/open.c:65
 do_sys_ftruncate+0x2e2/0x380 fs/open.c:193
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffff8880709a8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880709a8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880709a9000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8880709a9080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8880709a9100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================

Crashes (111):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/16 07:17 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan KASAN: use-after-free Read in leaf_paste_in_buffer
2024/04/01 10:55 linux-6.1.y e5cd595e23c1 6baf5069 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2023/06/19 22:00 linux-6.1.y ca87e77a2ef8 d521bc56 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2023/10/18 22:09 linux-6.1.y adc4d740ad9e 342b9c55 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan KASAN: out-of-bounds Read in leaf_paste_in_buffer
2023/10/14 20:14 linux-6.1.y 082280fe94a0 f757a323 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan KASAN: out-of-bounds Read in leaf_paste_in_buffer
2023/09/16 04:52 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan KASAN: out-of-bounds Read in leaf_paste_in_buffer
2023/09/15 00:17 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan KASAN: out-of-bounds Read in leaf_paste_in_buffer
2024/11/14 00:04 linux-6.1.y d7039b844a1c bb3f8425 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2023/08/12 20:11 linux-6.1.y 1321ab403b38 39990d51 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan KASAN: out-of-bounds Read in leaf_paste_in_buffer
2023/07/03 03:31 linux-6.1.y 0f4ac6b4c5f0 bfc47836 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan KASAN: out-of-bounds Read in leaf_paste_in_buffer
2023/10/22 07:39 linux-6.1.y 7d24402875c7 361b23dc .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] ci2-linux-6-1-kasan KASAN: use-after-free Read in leaf_paste_in_buffer
2023/06/16 18:48 linux-6.1.y ca87e77a2ef8 f3921d4d .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan KASAN: use-after-free Read in leaf_paste_in_buffer
2024/09/18 21:55 linux-6.1.y e526b12bf916 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Read in leaf_paste_in_buffer
2024/04/25 08:46 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Read in leaf_paste_in_buffer
2023/11/28 21:49 linux-6.1.y 6ac30d748bb0 1adfb6f6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Read in leaf_paste_in_buffer
2023/11/20 01:57 linux-6.1.y fb2635ac69ab cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Read in leaf_paste_in_buffer
2024/11/06 11:26 linux-6.1.y 7c15117f9468 3a465482 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/08/26 05:07 linux-6.1.y ee5e09825b81 d7d32352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/08/05 07:08 linux-6.1.y 48d525b0e463 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/05/14 23:21 linux-6.1.y 909ba1f1b414 fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/05/09 22:29 linux-6.1.y 909ba1f1b414 05079661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/05/02 12:09 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/05/01 04:41 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/05/01 03:01 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/04/01 09:47 linux-6.1.y e5cd595e23c1 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/01/30 04:25 linux-6.1.y 883d1a956208 991a98f4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Read in leaf_paste_in_buffer
2024/11/26 17:45 linux-6.1.y e4d90d63d385 e9a9a9f2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/20 19:00 linux-6.1.y b67dc5c9ade9 4fca1650 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/19 19:14 linux-6.1.y b67dc5c9ade9 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/19 02:24 linux-6.1.y b67dc5c9ade9 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/18 15:06 linux-6.1.y b67dc5c9ade9 e7bb5d6e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/14 10:49 linux-6.1.y d7039b844a1c a8c99394 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/13 22:31 linux-6.1.y d7039b844a1c bb3f8425 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/13 00:39 linux-6.1.y d7039b844a1c 62026c85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/19 23:38 linux-6.1.y 29f02ec58a94 5905cb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/18 00:41 linux-6.1.y 52f863f820fd a0626d3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/14 00:59 linux-6.1.y e4d90d63d385 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/13 11:53 linux-6.1.y e4d90d63d385 3547e30f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/12 20:00 linux-6.1.y e4d90d63d385 530e80f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/08 06:37 linux-6.1.y e4d90d63d385 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/05 22:56 linux-6.1.y e4d90d63d385 29f61fce .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/04 03:10 linux-6.1.y e4d90d63d385 b50eb251 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/04 01:23 linux-6.1.y e4d90d63d385 b50eb251 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/03 17:58 linux-6.1.y e4d90d63d385 578925bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/12/02 16:27 linux-6.1.y e4d90d63d385 b499ea68 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/23 03:02 linux-6.1.y e4d90d63d385 68da6d95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/22 20:48 linux-6.1.y e4d90d63d385 4b25d554 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/20 17:11 linux-6.1.y b67dc5c9ade9 4fca1650 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/19 20:57 linux-6.1.y b67dc5c9ade9 7d02db5a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/19 04:13 linux-6.1.y b67dc5c9ade9 571351cb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/17 19:53 linux-6.1.y b67dc5c9ade9 cfe3a04a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/15 09:01 linux-6.1.y 59d7b1a7104a f6ede3a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/15 08:57 linux-6.1.y 59d7b1a7104a f6ede3a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/14 18:55 linux-6.1.y 59d7b1a7104a a8c99394 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/11/13 15:58 linux-6.1.y d7039b844a1c bb3f8425 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
2024/07/01 00:44 linux-6.1.y 99e6a620de00 757f06b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 KASAN: use-after-free Write in leaf_paste_in_buffer
* Struck through repros no longer work on HEAD.