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KASAN: out-of-bounds Write in end_buffer_read_sync

Status: upstream: reported C repro on 2023/04/04 06:42
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+81c6aea085c7a61a49bb@syzkaller.appspotmail.com
First crash: 773d, last: 5d01h
Fix commit to backport (bisect log) :
tree: upstream
commit 013ff63b649475f0ee134e2c8d0c8e65284ede50
Author: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Date: Fri Jun 30 12:17:02 2023 +0000

  fs/ntfs3: Add more attributes checks in mi_enum_attr()

  
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2024/10/31 linux-5.15.y (ToT) 74cdd62cb470 C [report] kernel panic: stack is corrupted in inode_wait_for_writeback
2024/10/31 upstream (ToT) 0fc810ae3ae1 C Didn't crash
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: out-of-bounds Write in end_buffer_read_sync ntfs3 C done 4686 2d05h 1117d 0/28 upstream: reported C repro on 2022/04/25 03:07
linux-6.1 KASAN: out-of-bounds Write in end_buffer_read_sync origin:upstream missing-backport C unreliable 72 5d04h 717d 0/3 upstream: reported C repro on 2023/05/29 19:57
▶ ▼ Last patch testing requests (7)
Created Duration User Patch Repo Result
2024/11/28 11:53 16m retest repro linux-5.15.y report log
2024/11/05 01:48 16m retest repro linux-5.15.y report log
2024/11/05 01:48 13m retest repro linux-5.15.y report log
2024/11/05 01:48 19m retest repro linux-5.15.y report log
2024/11/05 01:48 18m retest repro linux-5.15.y OK log
2024/11/05 01:48 16m retest repro linux-5.15.y report log
2024/10/14 11:43 22m retest repro linux-5.15.y OK log
▶ ▼ Fix bisection attempts (9)
Created Duration User Patch Repo Result
2025/01/25 05:42 8h35m fix candidate upstream OK (1) job log
2024/09/26 08:38 1m fix candidate upstream error job log
2024/06/11 04:18 4m fix candidate upstream error job log
2024/04/13 04:39 1m fix candidate upstream error job log
2024/03/10 09:28 1m fix candidate upstream error job log
2024/01/29 12:02 1m fix candidate upstream error job log
2023/12/17 05:56 4m fix candidate upstream error job log
2023/10/25 04:14 1m fix candidate upstream error job log
2023/09/05 09:09 4m fix candidate upstream error job log

Sample crash report:
==================================================================
BUG: KASAN: out-of-bounds in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: out-of-bounds in atomic_dec include/linux/atomic/atomic-instrumented.h:244 [inline]
BUG: KASAN: out-of-bounds in put_bh include/linux/buffer_head.h:319 [inline]
BUG: KASAN: out-of-bounds in end_buffer_read_sync+0x25/0x30 fs/buffer.c:160
Write of size 4 at addr ffffc90003fff9c0 by task ksoftirqd/0/14

CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 5.15.182-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
 print_address_description+0x60/0x2d0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0xdf/0x130 mm/kasan/report.c:451
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x27b/0x290 mm/kasan/generic.c:189
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_dec include/linux/atomic/atomic-instrumented.h:244 [inline]
 put_bh include/linux/buffer_head.h:319 [inline]
 end_buffer_read_sync+0x25/0x30 fs/buffer.c:160
 end_bio_bh_io_sync+0xb3/0x110 fs/buffer.c:3007
 req_bio_endio block/blk-core.c:261 [inline]
 blk_update_request+0x876/0x1200 block/blk-core.c:1441
 blk_mq_end_request+0x3a/0x70 block/blk-mq.c:575
 blk_complete_reqs block/blk-mq.c:587 [inline]
 blk_done_softirq+0xfa/0x140 block/blk-mq.c:592
 handle_softirqs+0x328/0x820 kernel/softirq.c:558
 run_ksoftirqd+0x98/0xf0 kernel/softirq.c:925
 smpboot_thread_fn+0x4f6/0x970 kernel/smpboot.c:164
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>


Memory state around the buggy address:
 ffffc90003fff880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90003fff900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90003fff980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                           ^
 ffffc90003fffa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90003fffa80: f1 f1 f1 f1 00 f2 f2 f2 00 00 00 f3 f3 f3 f3 f3
==================================================================

Crashes (93):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/11 00:00 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2023/07/19 10:44 linux-5.15.y d54cfc420586 022df2bb .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/01/21 00:17 linux-5.15.y 4735586da88e 6e87cfa2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/03/06 05:26 linux-5.15.y 80efc6265290 f39a7eed .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/03/05 12:09 linux-5.15.y 80efc6265290 5fc53669 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/12/28 06:47 linux-5.15.y 91786f140358 d3ccff63 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/03/08 23:42 linux-5.15.y 574362648507 8e75c913 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/05/11 09:32 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/03/16 01:29 linux-5.15.y 0c935c049b5c e2826670 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2023/12/18 15:18 linux-5.15.y d0fc081c6241 3222d10c .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/04/22 04:49 linux-5.15.y f7347f400572 2a20f901 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/12/14 06:54 linux-5.15.y 0a51d2d4527b 7cbfbb3a .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/11/30 14:41 linux-5.15.y 0a51d2d4527b 68914665 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/05/17 21:27 linux-5.15.y 83655231580b a12e99e7 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/04/04 23:09 linux-5.15.y 9465fef4ae35 0ee3535e .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/02/29 21:48 linux-5.15.y 458ce51d0356 352ab904 .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2023/05/21 03:01 linux-5.15.y 9d6bde853685 4bce1a3e .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/04/14 00:00 linux-5.15.y f7347f400572 0bd6db41 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/05/10 16:09 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/05/10 11:20 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/05/09 15:26 linux-5.15.y 3b8db0e4f263 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/04/15 03:49 linux-5.15.y f7347f400572 0bd6db41 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/03/31 18:10 linux-5.15.y 0c935c049b5c d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/02/10 17:44 linux-5.15.y c16c81c81336 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/01/13 04:54 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2024/12/11 02:50 linux-5.15.y 0a51d2d4527b cfc402b4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2024/11/14 11:26 linux-5.15.y 3c17fc483905 a8c99394 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2024/06/19 07:15 linux-5.15.y 4878aadf2d15 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2024/05/11 11:51 linux-5.15.y 284087d4f7d5 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2024/04/05 02:13 linux-5.15.y 9465fef4ae35 0ee3535e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2024/03/16 16:21 linux-5.15.y b95c01af2113 d615901c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: out-of-bounds Write in end_buffer_read_sync
2025/04/25 16:28 linux-5.15.y f7347f400572 e3715315 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2025/03/12 20:13 linux-5.15.y c16c81c81336 1a5d9317 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2025/02/17 09:00 linux-5.15.y c16c81c81336 4121cf9d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2025/01/10 02:51 linux-5.15.y 4735586da88e 67d7ec0a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/11/30 07:24 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/10/21 12:18 linux-5.15.y 584a40a22cb9 f1e4447c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/05/06 12:57 linux-5.15.y 284087d4f7d5 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/03/28 08:27 linux-5.15.y 9465fef4ae35 120789fd .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2024/01/17 10:47 linux-5.15.y ddcaf4999061 c9a1c95b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2023/06/12 00:04 linux-5.15.y 7349e40704a0 49519f06 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2023/04/30 12:16 linux-5.15.y f48aeeaaa64c 62df2017 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2023/04/04 06:42 linux-5.15.y c957cbb87315 41147e3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: out-of-bounds Write in end_buffer_read_sync
2025/05/03 13:35 linux-5.15.y 16fdf2c7111b b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/03/17 17:31 linux-5.15.y 0c935c049b5c 948c34e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/03/09 20:21 linux-5.15.y c16c81c81336 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/02/27 16:49 linux-5.15.y c16c81c81336 6a8fcbc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/02/22 22:37 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/02/22 00:10 linux-5.15.y c16c81c81336 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/02/03 18:10 linux-5.15.y c16c81c81336 a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/01/22 20:51 linux-5.15.y 4735586da88e a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/01/18 17:24 linux-5.15.y 4735586da88e f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/01/12 03:37 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/01/08 09:58 linux-5.15.y 91786f140358 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2025/01/05 11:59 linux-5.15.y 91786f140358 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/12/20 13:57 linux-5.15.y 91786f140358 0f61b415 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/12/19 11:01 linux-5.15.y 963e654022cc 1432fc84 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/12/08 03:01 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/12/02 10:49 linux-5.15.y 0a51d2d4527b 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/09/23 08:04 linux-5.15.y 3a5928702e71 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/08/01 00:42 linux-5.15.y 7e89efd3ae1c 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/05/09 09:57 linux-5.15.y 284087d4f7d5 05079661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/05/06 11:20 linux-5.15.y 284087d4f7d5 d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/04/21 07:22 linux-5.15.y c52b9710c83d af24b050 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/04/04 04:29 linux-5.15.y 9465fef4ae35 51c4dcff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/02/27 20:37 linux-5.15.y 458ce51d0356 d367cbe5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
2024/02/03 03:08 linux-5.15.y 6139f2a02fe0 60bf9982 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan KASAN: stack-out-of-bounds Write in end_buffer_read_sync
* Struck through repros no longer work on HEAD.