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WARNING in hfsplus_free_extents

Status: upstream: reported C repro on 2023/09/15 03:08
Reported-by: syzbot+2684e1a866fd9dca0a1a@syzkaller.appspotmail.com
First crash: 734d, last: 87d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2025/09/02 upstream (ToT) b320789d6883 C Didn't crash
▶ ▼ Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in hfsplus_free_extents hfsplus -1 C 29 927d 1004d 0/1 upstream: reported C repro on 2022/12/19 07:06
upstream WARNING in hfsplus_free_extents hfs -1 C error 402 57d 1018d 29/29 fixed on 2025/09/04 16:57
linux-5.15 WARNING in hfsplus_free_extents origin:upstream -1 C error 24 46d 854d 0/3 upstream: reported C repro on 2023/05/17 17:56
linux-6.6 WARNING in hfsplus_free_extents -1 1 53d 53d 0/2 upstream: reported on 2025/07/27 03:02
▶ ▼ Fix bisection attempts (5)
Created Duration User Patch Repo Result
2024/05/16 23:20 33m bisect fix linux-6.1.y error job log
2024/03/27 02:44 1h23m bisect fix linux-6.1.y OK (0) job log log
2024/02/25 10:05 1h43m bisect fix linux-6.1.y OK (0) job log log
2023/12/21 12:42 1h43m bisect fix linux-6.1.y OK (0) job log log
2023/10/22 09:51 1h26m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10106 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x6e9/0xac0 fs/hfsplus/extents.c:346
Modules linked in:
CPU: 0 PID: 10106 Comm: syz.4.1333 Not tainted 6.1.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:hfsplus_free_extents+0x6e9/0xac0 fs/hfsplus/extents.c:346
Code: 8b 1b 0f cb 89 ef 89 de e8 84 18 3b ff 39 dd 75 20 49 83 c7 28 e8 17 17 3b ff 41 bc 05 00 00 00 e9 fa f9 ff ff e8 07 17 3b ff <0f> 0b e9 9d f9 ff ff 89 ef 89 de e8 57 18 3b ff 29 dd 73 0a e8 ee
RSP: 0018:ffffc90003787ab0 EFLAGS: 00010287
RAX: ffffffff8245bf69 RBX: ffff888076e82820 RCX: 0000000000080000
RDX: ffffc9000fe9e000 RSI: 0000000000003539 RDI: 000000000000353a
RBP: 0000000000000032 R08: dffffc0000000000 R09: ffffed10085ecc0a
R10: ffffed10085ecc0a R11: 1ffff110085ecc09 R12: ffff888042f62000
R13: ffff88807afa81b0 R14: 0000000000000032 R15: ffff88807afa8018
FS:  00007f969c5646c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc238efb28 CR3: 000000007d1b3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_file_truncate+0x731/0xb30 fs/hfsplus/extents.c:592
 hfsplus_setattr+0x1c0/0x280 fs/hfsplus/inode.c:269
 notify_change+0xc74/0xf40 fs/attr.c:499
 do_truncate+0x197/0x220 fs/open.c:65
 do_sys_ftruncate+0x312/0x3c0 fs/open.c:193
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f969b78e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f969c564038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f969b9b6160 RCX: 00007f969b78e929
RDX: 0000000000000000 RSI: 000000000000c17a RDI: 0000000000000007
RBP: 00007f969b810b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f969b9b6160 R15: 00007ffef74981f8
 </TASK>

Crashes (44):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/22 14:36 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/06/21 11:57 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/06/02 15:32 linux-6.1.y da3c5173c55f b396b4bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/06/01 00:49 linux-6.1.y da3c5173c55f 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/05/28 20:47 linux-6.1.y da3c5173c55f 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/05/26 21:24 linux-6.1.y da3c5173c55f 874a1386 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/05/25 22:25 linux-6.1.y da3c5173c55f 2d4582d0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/05/25 06:57 linux-6.1.y da3c5173c55f ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/05/25 06:53 linux-6.1.y da3c5173c55f ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/04/24 08:25 linux-6.1.y 420102835862 9882047a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/03/22 22:37 linux-6.1.y 344a09659766 c6512ef7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2025/03/22 07:33 linux-6.1.y 344a09659766 c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/12/15 06:02 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/12/15 03:31 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/12/15 03:21 linux-6.1.y 52f863f820fd 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/11/05 16:38 linux-6.1.y 7c15117f9468 da38b4c9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/10/31 10:28 linux-6.1.y 7ec6f9fa3d97 96eb609f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/10/26 14:38 linux-6.1.y 7ec6f9fa3d97 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/10/15 04:10 linux-6.1.y aa4cd140bba5 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/09/06 22:14 linux-6.1.y 699506173494 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/08/26 21:52 linux-6.1.y ee5e09825b81 9aee4e0b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/08/11 19:05 linux-6.1.y 36790ef5e00b 6f4edef4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/07/26 21:10 linux-6.1.y c18e82d3ee44 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/06/05 03:00 linux-6.1.y 88690811da69 e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/01/17 15:22 linux-6.1.y fec3b1451d5f c9a1c95b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2024/01/15 02:29 linux-6.1.y 7c58bfa711cb 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2023/11/21 00:43 linux-6.1.y 69e434a1cb21 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2023/10/23 21:43 linux-6.1.y 7d24402875c7 989a3687 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2023/09/18 05:04 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 WARNING in hfsplus_free_extents
2023/09/16 11:38 linux-6.1.y 09045dae0d90 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_free_extents
2023/09/15 03:08 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 WARNING in hfsplus_free_extents
2025/01/24 21:22 linux-6.1.y 75cefdf153f5 1293872d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2025/01/24 21:21 linux-6.1.y 75cefdf153f5 1293872d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2025/01/22 22:00 linux-6.1.y f4f677285b38 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2025/01/22 21:57 linux-6.1.y f4f677285b38 a44b0418 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2025/01/20 22:12 linux-6.1.y f4f677285b38 6e87cfa2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2025/01/19 15:31 linux-6.1.y f4f677285b38 f2cb035c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2024/11/11 02:30 linux-6.1.y d7039b844a1c 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2024/11/07 23:26 linux-6.1.y 7c15117f9468 867e44df .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2024/11/07 15:30 linux-6.1.y 7c15117f9468 867e44df .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2024/09/12 13:49 linux-6.1.y 5f55cad62cc9 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2024/08/02 03:09 linux-6.1.y c1cec4dad96b 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2024/06/17 23:25 linux-6.1.y eb44d83053d6 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
2024/04/10 14:50 linux-6.1.y 347385861c50 4320ec32 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_free_extents
* Struck through repros no longer work on HEAD.