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WARNING in hfs_bnode_create

Status: upstream: reported C repro on 2018/04/04 03:02
Subsystems: hfs (incorrect?)
Reported-by: syzbot+a19ca73b21fe8bc69101@syzkaller.appspotmail.com
First crash: 1812d, last: 12h54m

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: no output from test machine (log)
Repro: C syz .config

Fix bisection: failed (error log, bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in hfs_bnode_create hfs C 16 19d 115d 0/1 upstream: reported C repro on 2022/11/26 06:17
linux-4.14 WARNING in hfs_bnode_create C 2 19d 101d 0/1 upstream: reported C repro on 2022/12/10 13:46
Last patch testing requests:
Created Duration User Patch Repo Result
2022/09/27 06:30 11m retest repro upstream error
2022/04/09 19:20 5m phil@philpotter.co.uk upstream error

Sample crash report:
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: 00007ffc9785bfc0 R14: 00007ffc9785bfa0 R15: 0000000000000036
 </TASK>
hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5129 at fs/hfs/bnode.c:422 hfs_bnode_create+0x3b1/0x440 fs/hfs/bnode.c:421
Modules linked in:
CPU: 0 PID: 5129 Comm: syz-executor401 Not tainted 6.3.0-rc2-syzkaller-00405-ga3671bd86a97 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:hfs_bnode_create+0x3b1/0x440 fs/hfs/bnode.c:422
Code: 8a 44 89 e6 e8 20 3e 3e 08 e9 7c fd ff ff e8 36 6e 2a ff 4c 89 ff e8 4e 23 4a 08 48 c7 c7 e0 8e ff 8a 44 89 e6 e8 ff 3d 3e 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:ffffc90003ceef98 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff88802c93e200 RCX: a4a76b8699ff3a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff816dfe9c R09: fffff5200079ddad
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880764e8000 R15: ffff8880764e80e0
FS:  000055555663f300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020008000 CR3: 000000002265d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x5a6/0x640 fs/hfs/btree.c:291
 hfs_btree_inc_height+0x11e/0xd20 fs/hfs/brec.c:471
 hfs_brec_insert+0x723/0xbd0 fs/hfs/brec.c:148
 __hfs_ext_write_extent+0x2f2/0x4f0 fs/hfs/extent.c:124
 __hfs_ext_cache_extent+0x6a/0x990 fs/hfs/extent.c:174
 hfs_ext_read_extent fs/hfs/extent.c:202 [inline]
 hfs_extend_file+0x344/0x1440 fs/hfs/extent.c:401
 hfs_get_block+0x3e4/0xb60 fs/hfs/extent.c:353
 __block_write_begin_int+0x548/0x1a50 fs/buffer.c:2034
 __block_write_begin fs/buffer.c:2084 [inline]
 block_write_begin+0x9c/0x1f0 fs/buffer.c:2145
 cont_write_begin+0x643/0x880 fs/buffer.c:2504
 hfs_write_begin+0x8a/0xd0 fs/hfs/inode.c:58
 generic_perform_write+0x300/0x5e0 mm/filemap.c:3926
 __generic_file_write_iter+0x17a/0x400 mm/filemap.c:4054
 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4086
 call_write_iter include/linux/fs.h:1851 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x7b2/0xbb0 fs/read_write.c:584
 ksys_write+0x1a0/0x2c0 fs/read_write.c:637
 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: 0033:0x7f37076379e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc9785bf58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f37076379e9
RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
RBP: 00007ffc9785bf80 R08: 0000000000000001 R09: 00007ffc9785bf90
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: 00007ffc9785bfc0 R14: 00007ffc9785bfa0 R15: 0000000000000036
 </TASK>

Crashes (83):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-smack-root 2023/03/19 16:14 upstream a3671bd86a97 7939252e .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2022/12/12 23:02 upstream 830b3c68c1fb 67be1ae7 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci2-upstream-fs 2022/12/10 14:35 upstream 3ecc37918c80 67be1ae7 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci2-upstream-fs 2022/11/27 18:44 upstream faf68e3523c2 f4470a7b .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci2-upstream-fs 2022/11/25 15:29 upstream c3eb11fbb826 74a66371 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2022/11/25 13:42 upstream 08ad43d554ba 74a66371 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci-upstream-linux-next-kasan-gce-root 2023/01/09 23:58 linux-next 543b9b2fe10b 1dac8c7a .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci-upstream-linux-next-kasan-gce-root 2023/01/07 12:21 linux-next cc3c08b41a9c 1dac8c7a .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2022/12/10 17:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 67be1ae7 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2022/11/27 11:00 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 6d464646530f 74a66371 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2018/04/04 01:26 upstream f2d285669aae 676bd07e .config console log report syz C
ci2-upstream-fs 2023/03/21 06:51 upstream 7d31677bb7b1 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/03/20 14:17 upstream e8d018dd0257 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-smack-root 2023/03/20 04:59 upstream 5cdfdd6da323 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/03/20 04:58 upstream e8d018dd0257 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2023/03/20 00:40 upstream 5cdfdd6da323 7939252e .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/03/17 13:50 upstream 0ddc84d2dd43 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/03/16 07:36 upstream 9c1bec9c0b08 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/03/13 10:07 upstream eeac8ede1755 5205ef30 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2023/03/06 05:57 upstream f915322fe014 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2023/03/05 14:07 upstream b01fe98d34f3 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-qemu-upstream 2023/03/05 08:11 upstream c29214bc8916 f8902b57 .config console log report info WARNING in hfs_bnode_create
ci2-upstream-fs 2023/03/04 23:35 upstream 0988a0ea7919 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/03/01 15:12 upstream c0927a7a5391 ef65e6cb .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/02/24 21:43 upstream d2980d8d8265 ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2023/02/22 18:11 upstream 5b7c4cabbb65 409945bc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/02/20 08:17 upstream c9c3395d5e3d bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/02/19 15:28 upstream 925cf0457d7e bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-qemu-upstream 2023/02/18 06:37 upstream 03dad2f0c781 d02e9a70 .config console log report info WARNING in hfs_bnode_create
ci2-upstream-fs 2023/02/17 19:34 upstream ec35307e18ba cf8c2d39 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/02/16 00:57 upstream e1c04510f521 6be0f1f5 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2023/02/13 21:44 upstream ceaa837f96ad 4d66ad72 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/02/11 14:06 upstream 420b2d431d18 93e26d60 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/02/06 11:09 upstream 4ec5183ec486 be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/02/05 14:41 upstream 837c07cf68fe be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/01/28 00:26 upstream 83abd4d4c4be 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2023/01/22 15:12 upstream f67144022885 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/01/08 01:37 upstream 0a71553536d2 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2023/01/01 21:18 upstream e4cf7c25bae5 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2023/01/01 21:07 upstream e4cf7c25bae5 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2023/01/01 20:48 upstream e4cf7c25bae5 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2022/12/31 14:58 upstream bff687b3dad6 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2022/12/31 11:57 upstream bff687b3dad6 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-smack-root 2022/12/27 13:56 upstream 1b929c02afd3 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci2-upstream-fs 2022/12/27 07:12 upstream 1b929c02afd3 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-selinux-root 2022/12/25 21:42 upstream 72a85e2b0a1e 9da18ae8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-kasan-gce-root 2022/11/25 13:27 upstream 08ad43d554ba 74a66371 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-linux-next-kasan-gce-root 2023/03/05 04:57 linux-next 1acf39ef8f14 f8902b57 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/03/16 17:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/03/16 14:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/03/16 10:02 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e 18b58603 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/03/10 06:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fe15c26ee26e f08b59ac .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/02/28 17:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2ebd1fbb946d 95aee97a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/02/25 11:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2ebd1fbb946d ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/02/10 18:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci eaed33698e35 95871dcc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/02/07 06:28 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee 0a9c11b6 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/02/05 04:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci ca72d58361ee be607b78 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/01/27 05:35 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1dc22be1f91f 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/01/26 03:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2e84eedb182e 9dfcf09c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2023/01/23 03:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci edb2f0dc90f2 559a440a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
ci-upstream-gce-arm64 2022/12/31 11:58 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci a5541c0811a0 ab32d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in hfs_bnode_create
* Struck through repros no longer work on HEAD.