syzbot


WARNING in hfsplus_bnode_create

Status: upstream: reported C repro on 2023/04/25 07:57
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+a461be35cc94089b7f93@syzkaller.appspotmail.com
First crash: 391d, last: 11d
Bug presence (1)
Date Name Commit Repro Result
2023/12/29 upstream (ToT) 8735c7c84d1b C [report] WARNING in hfsplus_bnode_create
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in hfsplus_bnode_create hfs C error 318 3d15h 535d 0/26 upstream: reported C repro on 2022/12/02 04:34
linux-5.15 WARNING in hfsplus_bnode_create origin:upstream C error 15 28d 373d 0/3 upstream: reported C repro on 2023/05/13 19:31
linux-4.14 WARNING in hfsplus_bnode_create hfsplus C 1 469d 508d 0/1 upstream: reported C repro on 2022/12/29 14:39
linux-4.19 WARNING in hfsplus_bnode_create hfsplus C error 5 469d 537d 0/1 upstream: reported C repro on 2022/11/30 07:43
Fix bisection attempts (6)
Created Duration User Patch Repo Result
2024/03/30 14:20 1h28m bisect fix linux-6.1.y job log (0) log
2024/02/29 11:22 1h20m bisect fix linux-6.1.y job log (0) log
2023/12/29 08:24 1h01m bisect fix linux-6.1.y job log (0) log
2023/11/28 06:27 2h05m bisect fix linux-6.1.y job log (0) log
2023/10/29 00:07 1h29m bisect fix linux-6.1.y job log (0) log
2023/07/12 09:48 3h26m bisect fix linux-6.1.y job log (0) log

Sample crash report:
loop0: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3511 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x3ad/0x440 fs/hfsplus/bnode.c:572
Modules linked in:
CPU: 0 PID: 3511 Comm: syz-executor362 Not tainted 6.1.45-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:hfsplus_bnode_create+0x3ad/0x440 fs/hfsplus/bnode.c:573
Code: 8b 44 89 e6 e8 dd b8 24 08 e9 7c fd ff ff e8 4a e8 2b ff 4c 89 ff e8 72 a9 30 08 48 c7 c7 a0 32 02 8b 44 89 e6 e8 bc b8 24 08 <0f> 0b eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 89 fc ff ff 48 89
RSP: 0018:ffffc900039fefd8 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff888019250300 RCX: 9b03ab8fc0de7500
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff816db4cc R09: fffff5200073fdb5
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888076140000 R15: ffff8880761400e0
FS:  0000555556613380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f33b5fa4c00 CR3: 000000002415f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x596/0x630 fs/hfsplus/btree.c:415
 hfs_bnode_split+0xda/0x1100 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x3a2/0xdd0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x498/0x1ba0 fs/hfsplus/catalog.c:292
 hfsplus_fill_super+0x13e6/0x1c90 fs/hfsplus/super.c:560
 mount_bdev+0x2c9/0x3f0 fs/super.c:1432
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1562
 do_new_mount+0x28b/0xae0 fs/namespace.c:3040
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3568
 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: 0033:0x7f33be363c7a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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:00007ffcc399bf58 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffcc399bf70 RCX: 00007f33be363c7a
RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007ffcc399bf70
RBP: 0000000000000004 R08: 00007ffcc399bfb0 R09: 000000000000064b
R10: 0000000000208010 R11: 0000000000000286 R12: 0000000000208010
R13: 00007ffcc399bfb0 R14: 0000000000000003 R15: 0000000000080000
 </TASK>

Crashes (17):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/08/13 03:11 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 WARNING in hfsplus_bnode_create
2024/05/09 19:08 linux-6.1.y 909ba1f1b414 05079661 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2024/05/06 06:58 linux-6.1.y 909ba1f1b414 610f2a54 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2024/01/21 03:49 linux-6.1.y 8fd7f4462453 9bd8dcda .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2023/05/07 16:49 linux-6.1.y ca48fc16c493 90c93c40 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2023/06/05 07:16 linux-6.1.y d2869ace6eeb a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan WARNING in hfsplus_bnode_create
2023/06/07 09:18 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2024/04/23 07:21 linux-6.1.y 6741e066ec76 36c961ad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_bnode_create
2024/04/02 02:56 linux-6.1.y e5cd595e23c1 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_bnode_create
2023/09/27 03:15 linux-6.1.y d23900f974e0 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_bnode_create
2024/05/06 03:39 linux-6.1.y 909ba1f1b414 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2024/04/13 03:49 linux-6.1.y bf1e3b1cb1e0 c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2024/01/21 03:33 linux-6.1.y 8fd7f4462453 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2023/08/10 10:36 linux-6.1.y 0a4a7855302d 13ca4cd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in hfsplus_bnode_create
2023/05/30 07:31 linux-6.1.y a343b0dd87b4 cf184559 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2023/05/22 20:35 linux-6.1.y fa74641fb6b9 4bce1a3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
2023/04/25 07:56 linux-6.1.y f17b0ab65d17 65320f8e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in hfsplus_bnode_create
* Struck through repros no longer work on HEAD.