kernel BUG in hfs_btree_open

Status: auto-obsoleted due to no activity on 2023/08/17 04:22
Subsystems: hfs
[Documentation on labels]
Reported-by: syzbot+e5896dff7bbe057e5fff@syzkaller.appspotmail.com
First crash: 1352d, last: 1209d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] kernel BUG in hfs_btree_open 0 (1) 2022/11/28 10:21
▶ ▼ Similar bugs (8)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 kernel BUG in hfs_btree_open -1 2 637d 643d 0/3 auto-obsoleted due to no activity on 2025/02/19 11:13
linux-5.15 kernel BUG in hfs_btree_open (2) -1 1 1042d 1042d 0/3 auto-obsoleted due to no activity on 2024/01/11 08:28
linux-5.15 kernel BUG in hfs_btree_open (5) -1 1 398d 398d 0/3 auto-obsoleted due to no activity on 2025/10/16 16:44
linux-6.1 kernel BUG in hfs_btree_open (2) -1 2 447d 532d 0/3 auto-obsoleted due to no activity on 2025/08/28 18:08
linux-5.15 kernel BUG in hfs_btree_open (3) -1 1 828d 828d 0/3 auto-obsoleted due to no activity on 2024/08/12 21:24
upstream kernel BUG in hfs_btree_open (2) hfs -1 94 1042d 1063d 0/29 auto-obsoleted due to no activity on 2023/12/12 22:31
linux-5.15 kernel BUG in hfs_btree_open -1 1 1158d 1158d 0/3 auto-obsoleted due to no activity on 2023/09/17 17:47
linux-5.15 kernel BUG in hfs_btree_open (4) -1 1 671d 671d 0/3 auto-obsoleted due to no activity on 2025/01/15 22:49

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/hfs/btree.c:41!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 1765 Comm: syz-executor.1 Not tainted 6.3.0-rc7-syzkaller-00043-gaf67688dca57 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:hfs_btree_open+0xf09/0xf20 fs/hfs/btree.c:41
Code: 7f ff e9 7e fa ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 9b fa ff ff 4c 89 f7 e8 21 c8 7f ff e9 8e fa ff ff e8 e7 06 2a ff <0f> 0b e8 e0 06 2a ff 0f 0b e8 d9 06 2a ff 0f 0b 0f 1f 80 00 00 00
RSP: 0018:ffffc90013be7798 EFLAGS: 00010283
RAX: ffffffff82606fd9 RBX: ffff8880756e23a0 RCX: 0000000000040000
RDX: ffffc90004013000 RSI: 0000000000002056 RDI: 0000000000002057
RBP: 0000000000000000 R08: ffffffff82606237 R09: ffffed100eadc490
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88803faca000
R13: ffff888033c0c008 R14: ffff888033c0c000 R15: dffffc0000000000
FS:  00007fa70b895700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000028e4e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_mdb_get+0x1446/0x21b0 fs/hfs/mdb.c:199
 hfs_fill_super+0x107d/0x1790 fs/hfs/super.c:406
 mount_bdev+0x271/0x3a0 fs/super.c:1380
 legacy_get_tree+0xef/0x190 fs/fs_context.c:610
 vfs_get_tree+0x8c/0x270 fs/super.c:1510
 do_new_mount+0x28f/0xae0 fs/namespace.c:3042
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa70aa8d69a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 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:00007fa70b894f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000000002c2 RCX: 00007fa70aa8d69a
RDX: 00000000200000c0 RSI: 0000000020000040 RDI: 00007fa70b894fe0
RBP: 00007fa70b895020 R08: 00007fa70b895020 R09: 00000000030108cc
R10: 00000000030108cc R11: 0000000000000202 R12: 00000000200000c0
R13: 0000000020000040 R14: 00007fa70b894fe0 R15: 0000000020000180
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_btree_open+0xf09/0xf20 fs/hfs/btree.c:41
Code: 7f ff e9 7e fa ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 9b fa ff ff 4c 89 f7 e8 21 c8 7f ff e9 8e fa ff ff e8 e7 06 2a ff <0f> 0b e8 e0 06 2a ff 0f 0b e8 d9 06 2a ff 0f 0b 0f 1f 80 00 00 00
RSP: 0018:ffffc90013be7798 EFLAGS: 00010283

RAX: ffffffff82606fd9 RBX: ffff8880756e23a0 RCX: 0000000000040000
RDX: ffffc90004013000 RSI: 0000000000002056 RDI: 0000000000002057
RBP: 0000000000000000 R08: ffffffff82606237 R09: ffffed100eadc490
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88803faca000
R13: ffff888033c0c008 R14: ffff888033c0c000 R15: dffffc0000000000
FS:  00007fa70b895700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2629d831b8 CR3: 0000000028e4e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (20):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/19 04:21 upstream af67688dca57 d931e9f0 .config console log report info ci2-upstream-fs kernel BUG in hfs_btree_open
2023/04/17 18:46 upstream 6a8f57ae2eb0 c6ec7083 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfs_btree_open
2023/03/22 18:59 upstream a1effab7a3a3 f94b4a29 .config console log report info ci2-upstream-fs kernel BUG in hfs_btree_open
2023/03/20 15:27 upstream e8d018dd0257 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfs_btree_open
2023/03/15 15:05 upstream 6015b1aca1a2 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfs_btree_open
2023/02/02 17:59 upstream 9f266ccaa2f5 16d19e30 .config console log report info ci2-upstream-fs kernel BUG in hfs_btree_open
2023/01/27 09:18 upstream 7c46948a6e9c 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in hfs_btree_open
2022/12/19 06:22 upstream f9ff5644bcc0 05494336 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfs_btree_open
2022/12/14 13:27 upstream e2ca6ba6ba01 f6511626 .config console log report info ci2-upstream-fs kernel BUG in hfs_btree_open
2022/12/12 05:42 upstream 4cee37b3a4e6 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfs_btree_open
2022/12/04 15:37 upstream c2bf05db6c78 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfs_btree_open
2022/12/04 09:57 upstream c2bf05db6c78 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfs_btree_open
2022/12/03 18:49 upstream bdaa78c6aa86 e080de16 .config console log report info ci-upstream-kasan-gce-root kernel BUG in hfs_btree_open
2022/11/30 18:02 upstream 01f856ae6d0c 4c2a66e8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfs_btree_open
2022/11/27 17:27 upstream faf68e3523c2 74a66371 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in hfs_btree_open
2023/02/04 04:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 1b2f701a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in hfs_btree_open
2023/02/03 15:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 1b2f701a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in hfs_btree_open
2022/12/13 06:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in hfs_btree_open
2022/12/06 15:23 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 d88f3abb .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in hfs_btree_open
2022/12/05 01:01 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci e3cb714fb489 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 kernel BUG in hfs_btree_open
* Struck through repros no longer work on HEAD.