syzbot


kernel BUG in hfsplus_bnode_put

Status: upstream: reported C repro on 2023/01/18 07:25
Subsystems: hfs
[Documentation on labels]
Reported-by: syzbot+005d2a9ecd9fbf525f6a@syzkaller.appspotmail.com
First crash: 330d, last: 1d23h
Cause bisection: failed (error log, bisect log)
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [hfsplus?] kernel BUG in hfsplus_bnode_put 0 (2) 2023/06/17 05:30
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 kernel BUG in hfsplus_bnode_put origin:upstream C 2 17d 175d 0/3 upstream: reported C repro on 2023/06/17 11:52
linux-5.15 kernel BUG in hfsplus_bnode_put origin:upstream C error 2 134d 175d 0/3 upstream: reported C repro on 2023/06/17 12:22
Last patch testing requests (7)
Created Duration User Patch Repo Result
2023/12/01 02:59 21m retest repro upstream report log
2023/11/15 01:17 13m retest repro upstream report log
2023/10/31 17:30 20m retest repro linux-next report log
2023/10/17 17:11 14m retest repro upstream report log
2023/10/03 15:30 18m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci report log
2023/09/12 19:06 19m retest repro upstream report log
2023/08/24 14:31 27m retest repro upstream report log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/hfsplus/bnode.c:618!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5675 Comm: syz-executor165 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:hfsplus_bnode_put+0x50c/0x520 fs/hfsplus/bnode.c:618
Code: ff e9 bf fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fe ff ff 4c 89 ef e8 7f 92 80 ff e9 e6 fe ff ff e8 b5 8a 24 ff 90 <0f> 0b e8 ad 8a 24 ff 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 0f
RSP: 0018:ffffc900056c7090 EFLAGS: 00010293
RAX: ffffffff8269ef8b RBX: ffff888023f68e80 RCX: ffff88801d22bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8269eb00 R09: 1ffff110047ed1d0
R10: dffffc0000000000 R11: ffffed10047ed1d1 R12: ffff888023f68e00
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888070d44000
FS:  00007f923ecf16c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f923ecf2000 CR3: 0000000026030000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x590/0x640 fs/hfsplus/btree.c:414
 hfs_bnode_split+0xde/0x1110 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x3a6/0xdd0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0xef1/0x1b50 fs/hfsplus/catalog.c:308
 hfsplus_mknod+0x16a/0x2a0 fs/hfsplus/dir.c:494
 lookup_open fs/namei.c:3477 [inline]
 open_last_lookups fs/namei.c:3546 [inline]
 path_openat+0x13fa/0x3290 fs/namei.c:3776
 do_filp_open+0x234/0x490 fs/namei.c:3809
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1440
 do_sys_open fs/open.c:1455 [inline]
 __do_sys_open fs/open.c:1463 [inline]
 __se_sys_open fs/open.c:1459 [inline]
 __x64_sys_open+0x225/0x270 fs/open.c:1459
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f923ed34c89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f923ecf1218 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f923edbd6a8 RCX: 00007f923ed34c89
RDX: 0000000000000000 RSI: 000000000014937e RDI: 0000000020000180
RBP: 00007f923edbd6a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f923edbd6ac
R13: 00007f923ed890c0 R14: 00000000200003c0 R15: 0073756c70736668
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_bnode_put+0x50c/0x520 fs/hfsplus/bnode.c:618
Code: ff e9 bf fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fe ff ff 4c 89 ef e8 7f 92 80 ff e9 e6 fe ff ff e8 b5 8a 24 ff 90 <0f> 0b e8 ad 8a 24 ff 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 0f
RSP: 0018:ffffc900056c7090 EFLAGS: 00010293
RAX: ffffffff8269ef8b RBX: ffff888023f68e80 RCX: ffff88801d22bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8269eb00 R09: 1ffff110047ed1d0
R10: dffffc0000000000 R11: ffffed10047ed1d1 R12: ffff888023f68e00
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888070d44000
FS:  00007f923ecf16c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd45d04338 CR3: 0000000026030000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (17):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/12/07 19:24 upstream bee0e7762ad2 0a02ce36 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
2023/12/07 18:39 upstream bee0e7762ad2 28b24332 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root kernel BUG in hfsplus_bnode_put
2023/07/17 07:13 upstream 20edcec23f92 35d9ecc5 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in hfsplus_bnode_put
2023/06/17 09:56 upstream 1639fae5132b f3921d4d .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
2023/06/17 05:29 upstream 40f71e7cd3c6 f3921d4d .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in hfsplus_bnode_put
2023/08/28 16:23 linux-next 2ee82481c392 03d9c195 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in hfsplus_bnode_put
2023/06/17 10:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 177239177378 f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 kernel BUG in hfsplus_bnode_put
2023/12/07 12:05 upstream bee0e7762ad2 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in hfsplus_bnode_put
2023/11/17 01:56 upstream 7475e51b8796 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
2023/11/01 01:06 upstream 89ed67ef126c 58499c95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
2023/09/19 12:27 upstream 2cf0f7156238 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
2023/08/29 02:51 upstream 727dbda16b83 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
2023/06/17 12:27 upstream 1639fae5132b f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
2023/06/17 04:48 upstream 40f71e7cd3c6 f3921d4d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root kernel BUG in hfsplus_bnode_put
2023/06/14 20:33 upstream b6dad5178cea d2ee9228 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
2023/04/11 15:24 upstream 0d3eb744aed4 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
2023/01/13 15:44 upstream d9fc1511728c 529798b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in hfsplus_bnode_put
* Struck through repros no longer work on HEAD.