syzbot


kernel BUG in dnotify_free_mark

Status: upstream: reported C repro on 2023/07/30 07:52
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+2f4aa3239150dd006e44@syzkaller.appspotmail.com
First crash: 561d, last: 1h12m
Fix commit to backport (bisect log) :
tree: upstream
commit 4ad5c924df6cd6d85708fa23f9d9a2b78a2e428e
Author: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Date: Fri Sep 22 10:07:59 2023 +0000

  fs/ntfs3: Allow repeated call to ntfs3_put_sbi

  
Bug presence (3)
Date Name Commit Repro Result
2023/10/28 linux-6.1.y (ToT) 32c9cdbe383c C [report] kernel BUG in dnotify_free_mark
2023/07/30 upstream (ToT) d31e3792919e C [report] kernel BUG in dnotify_free_mark
2023/10/28 upstream (ToT) 2af9b20dbb39 C Didn't crash
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in dnotify_free_mark ntfs3 C error 15958 2h02m 835d 0/28 upstream: reported C repro on 2022/10/28 23:45
linux-5.15 kernel BUG in dnotify_free_mark origin:upstream missing-backport C done 608 32d 207d 0/3 upstream: reported C repro on 2024/07/18 09:21
Fix bisection attempts (2)
Created Duration User Patch Repo Result
2023/11/23 13:40 3h54m fix candidate upstream OK (1) job log
2023/09/29 04:09 1h18m bisect fix linux-6.1.y OK (0) job log log
marked invalid by web-security-scanner@google.com

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/notify/dnotify/dnotify.c:136!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 75 Comm: kworker/u4:4 Not tainted 6.1.116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound fsnotify_mark_destroy_workfn
RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:136
Code: 48 89 df e8 7f e7 dd ff 48 83 3b 00 75 17 e8 04 5f 86 ff 48 8b 3d 6d 0c 96 0c 4c 89 f6 5b 41 5e e9 82 10 dd ff e8 ed 5e 86 ff <0f> 0b cc cc cc cc cc cc cc cc cc cc cc 55 41 57 41 56 41 55 41 54
RSP: 0018:ffffc900015b7b88 EFLAGS: 00010293
RAX: ffffffff82042d43 RBX: ffff88802f1dc080 RCX: ffff888018dd9dc0
RDX: 0000000000000000 RSI: 0000000000000026 RDI: ffff88802f1dc000
RBP: ffffc900015b7c50 R08: ffffffff82039cdc R09: ffffed1029a24c02
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888142ead800
R13: ffffc900015b7be0 R14: ffff88802f1dc000 R15: ffff88802f1dc000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557e1105cf70 CR3: 000000000d08e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fsnotify_final_mark_destroy fs/notify/mark.c:304 [inline]
 fsnotify_mark_destroy_workfn+0x2c7/0x340 fs/notify/mark.c:928
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dnotify_free_mark+0x53/0x60 fs/notify/dnotify/dnotify.c:136
Code: 48 89 df e8 7f e7 dd ff 48 83 3b 00 75 17 e8

Crashes (1609):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/09 12:28 linux-6.1.y d7039b844a1c 6b856513 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2024/04/20 03:45 linux-6.1.y 6741e066ec76 af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2023/07/30 07:52 linux-6.1.y d2a6dc4eaf6d 92476829 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/10 16:46 linux-6.1.y 0cbb5f65e52f 43f51a00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/07 22:07 linux-6.1.y 0cbb5f65e52f ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/07 09:38 linux-6.1.y 0cbb5f65e52f 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/07 09:34 linux-6.1.y 0cbb5f65e52f 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/06 19:35 linux-6.1.y 0cbb5f65e52f 8002dd28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/06 05:39 linux-6.1.y 0cbb5f65e52f 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/05 16:45 linux-6.1.y 0cbb5f65e52f 4dc70884 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/05 16:44 linux-6.1.y 0cbb5f65e52f 4dc70884 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/04 23:21 linux-6.1.y 0cbb5f65e52f 5896748e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/04 02:56 linux-6.1.y 0cbb5f65e52f 8f267cef .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/03 13:51 linux-6.1.y 0cbb5f65e52f a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/03 13:51 linux-6.1.y 0cbb5f65e52f a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/01/31 18:29 linux-6.1.y 75cefdf153f5 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/01/30 05:20 linux-6.1.y 75cefdf153f5 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/01/29 03:06 linux-6.1.y 75cefdf153f5 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/01/28 14:54 linux-6.1.y 75cefdf153f5 f5427d7c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/01/28 00:54 linux-6.1.y 75cefdf153f5 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/01/28 00:54 linux-6.1.y 75cefdf153f5 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/01/25 06:59 linux-6.1.y 75cefdf153f5 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/01/24 17:03 linux-6.1.y 75cefdf153f5 1293872d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan kernel BUG in dnotify_free_mark
2025/02/01 22:45 linux-6.1.y 0cbb5f65e52f 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/02/01 14:43 linux-6.1.y 75cefdf153f5 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/02/01 11:29 linux-6.1.y 75cefdf153f5 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/02/01 07:14 linux-6.1.y 75cefdf153f5 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/31 17:55 linux-6.1.y 75cefdf153f5 aa47157c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/31 10:07 linux-6.1.y 75cefdf153f5 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/31 05:10 linux-6.1.y 75cefdf153f5 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/30 17:51 linux-6.1.y 75cefdf153f5 4c6ac32f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/30 14:26 linux-6.1.y 75cefdf153f5 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/30 04:33 linux-6.1.y 75cefdf153f5 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/29 14:49 linux-6.1.y 75cefdf153f5 136953f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/29 02:54 linux-6.1.y 75cefdf153f5 865ef71e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/27 23:43 linux-6.1.y 75cefdf153f5 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/27 11:55 linux-6.1.y 75cefdf153f5 d99a33ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/27 09:25 linux-6.1.y 75cefdf153f5 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/27 04:18 linux-6.1.y 75cefdf153f5 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/27 02:17 linux-6.1.y 75cefdf153f5 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/26 21:52 linux-6.1.y 75cefdf153f5 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/26 14:02 linux-6.1.y 75cefdf153f5 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/26 05:03 linux-6.1.y 75cefdf153f5 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/25 05:59 linux-6.1.y 75cefdf153f5 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/24 12:20 linux-6.1.y 75cefdf153f5 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/24 11:19 linux-6.1.y 75cefdf153f5 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/23 20:25 linux-6.1.y 75cefdf153f5 521b0ce3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
2025/01/23 03:38 linux-6.1.y f4f677285b38 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 kernel BUG in dnotify_free_mark
* Struck through repros no longer work on HEAD.