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general protection fault in direct2indirect

Status: upstream: reported C repro on 2023/01/01 14:35
Subsystems: reiserfs
[Documentation on labels]
Reported-by: syzbot+e69a9406662c63f12e24@syzkaller.appspotmail.com
First crash: 346d, last: 16h25m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [reiserfs?] general protection fault in direct2indirect 0 (1) 2023/01/01 14:35
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 general protection fault in direct2indirect origin:upstream C 9 13d 195d 0/3 upstream: reported C repro on 2023/05/28 06:36
linux-6.1 BUG: unable to handle kernel paging request in direct2indirect origin:upstream C 13 26d 238d 0/3 upstream: reported C repro on 2023/04/15 06:26
▶ ▼ Last patch testing requests (4)
Created Duration User Patch Repo Result
2023/09/05 09:14 13m retest repro upstream report log
2023/09/05 09:14 13m retest repro upstream report log
2023/08/27 04:21 27m retest repro upstream report log
2023/08/27 04:21 23m retest repro upstream report log
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2023/04/28 07:41 42m bisect fix upstream job log (0) log
2023/03/29 06:51 47m bisect fix upstream job log (0) log
2023/02/27 06:08 43m bisect fix upstream job log (0) log

Sample crash report:
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop0): Using tea hash to sort names
REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 4106499 0(1) DIR], item_len 35, item_location 3757, free_space(entry_count) 2
REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 532. Fsck?
REISERFS (device loop0): Remounting filesystem read-only
general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 0 PID: 5035 Comm: syz-executor425 Not tainted 6.6.0-rc3-syzkaller-00165-g3b517966c561 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
RIP: 0010:reiserfs_node_data fs/reiserfs/reiserfs.h:2183 [inline]
RIP: 0010:item_head fs/reiserfs/reiserfs.h:2199 [inline]
RIP: 0010:tp_item_head fs/reiserfs/reiserfs.h:2225 [inline]
RIP: 0010:direct2indirect+0x95b/0x1830 fs/reiserfs/tail_conversion.c:119
Code: 49 c1 e7 04 4a 8d 5c 39 08 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 3d 03 00 00 48 63 1b 49 83 c5 28 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ef e8 17 de b1 ff 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90003a1f000 EFLAGS: 00010206
RAX: 0000000000000005 RBX: 0000000000000000 RCX: ffffc90003a1f5d8
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000008
RBP: ffffc90003a1f190 R08: ffffffff82369dbf R09: ffffffff8235c33d
R10: 0000000000000002 R11: ffff88801f511dc0 R12: 0000000000000001
R13: 0000000000000028 R14: 0000000000000000 R15: 0000000000000010
FS:  0000555555f2a380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007ce28000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_get_block+0x4c34/0x5130 fs/reiserfs/inode.c:949
 __block_write_begin_int+0x54d/0x1ac0 fs/buffer.c:2120
 reiserfs_write_begin+0x24d/0x520 fs/reiserfs/inode.c:2771
 generic_perform_write+0x31b/0x630 mm/filemap.c:3969
 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4090
 do_iter_write+0x84f/0xde0 fs/read_write.c:860
 vfs_writev fs/read_write.c:933 [inline]
 do_writev+0x27f/0x470 fs/read_write.c:976
 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: 0033:0x7f25ac0ca7b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff57b94348 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007fff57b94518 RCX: 00007f25ac0ca7b9
RDX: 0000000000000002 RSI: 00000000200013c0 RDI: 0000000000000004
RBP: 00007f25ac13e610 R08: 00007fff57b94518 R09: 00007fff57b94518
R10: 00007fff57b94518 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff57b94508 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:reiserfs_node_data fs/reiserfs/reiserfs.h:2183 [inline]
RIP: 0010:item_head fs/reiserfs/reiserfs.h:2199 [inline]
RIP: 0010:tp_item_head fs/reiserfs/reiserfs.h:2225 [inline]
RIP: 0010:direct2indirect+0x95b/0x1830 fs/reiserfs/tail_conversion.c:119
Code: 49 c1 e7 04 4a 8d 5c 39 08 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 3d 03 00 00 48 63 1b 49 83 c5 28 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ef e8 17 de b1 ff 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90003a1f000 EFLAGS: 00010206
RAX: 0000000000000005 RBX: 0000000000000000 RCX: ffffc90003a1f5d8
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000008
RBP: ffffc90003a1f190 R08: ffffffff82369dbf R09: ffffffff8235c33d
R10: 0000000000000002 R11: ffff88801f511dc0 R12: 0000000000000001
R13: 0000000000000028 R14: 0000000000000000 R15: 0000000000000010
FS:  0000555555f2a380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007ce28000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	49 c1 e7 04          	shl    $0x4,%r15
   4:	4a 8d 5c 39 08       	lea    0x8(%rcx,%r15,1),%rbx
   9:	48 89 d8             	mov    %rbx,%rax
   c:	48 c1 e8 03          	shr    $0x3,%rax
  10:	0f b6 04 10          	movzbl (%rax,%rdx,1),%eax
  14:	84 c0                	test   %al,%al
  16:	0f 85 3d 03 00 00    	jne    0x359
  1c:	48 63 1b             	movslq (%rbx),%rbx
  1f:	49 83 c5 28          	add    $0x28,%r13
  23:	4c 89 e8             	mov    %r13,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 10 00          	cmpb   $0x0,(%rax,%rdx,1) <-- trapping instruction
  2e:	74 12                	je     0x42
  30:	4c 89 ef             	mov    %r13,%rdi
  33:	e8 17 de b1 ff       	call   0xffb1de4f
  38:	48                   	rex.W
  39:	ba 00 00 00 00       	mov    $0x0,%edx
  3e:	00 fc                	add    %bh,%ah

Crashes (135):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/01 03:40 upstream 3b517966c561 8e26a358 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in direct2indirect
2023/06/22 13:40 upstream dad9774deaf1 09ffe269 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root general protection fault in direct2indirect
2023/06/15 22:38 upstream b6dad5178cea 757d26ed .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root general protection fault in direct2indirect
2023/05/01 19:36 upstream 58390c8ce1bd 62df2017 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in direct2indirect
2022/12/28 14:51 upstream 1b929c02afd3 44712fbc .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in direct2indirect
2023/10/30 21:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c b5729d82 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/10/27 05:29 upstream 3a568e3a961b bf285f0c .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in direct2indirect
2023/12/08 20:55 upstream 5e3f5b81de80 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/12/07 13:35 upstream bee0e7762ad2 0a02ce36 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/12/06 01:44 upstream bee0e7762ad2 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in direct2indirect
2023/12/05 01:19 upstream bee0e7762ad2 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/12/01 08:49 upstream e8f60209d6cf f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/29 04:31 upstream df60cee26a2e 1adfb6f6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in direct2indirect
2023/11/24 11:56 upstream d3fa86b1a7b4 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root general protection fault in direct2indirect
2023/11/19 07:06 upstream 23dfa043f6d5 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/17 19:40 upstream 6bc40e44f1dd cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/17 07:12 upstream 7475e51b8796 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/16 05:34 upstream c42d9eeef8e5 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/16 01:22 upstream c42d9eeef8e5 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in direct2indirect
2023/11/14 09:16 upstream 9bacdd8996c7 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root general protection fault in direct2indirect
2023/11/14 05:19 upstream 9bacdd8996c7 cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/05 08:25 upstream aea6bf908d73 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/04 19:54 upstream 90b0c2b2edd1 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/04 00:28 upstream 6bdfe2d88b9f 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/03 18:37 upstream 8f6f76a6a29f c4ac074c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/03 17:29 upstream 8f6f76a6a29f c4ac074c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/11/01 21:35 upstream 8bc9e6515183 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in direct2indirect
2023/10/19 13:46 upstream dd72f9c7e512 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in direct2indirect
2023/10/19 04:12 upstream dd72f9c7e512 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/10/17 05:28 upstream 213f891525c2 342b9c55 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/10/16 18:02 upstream 58720809f527 f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/10/16 07:47 upstream fbe1bf1e5ff1 f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/10/15 14:57 upstream 9a3dad63edbe f757a323 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/10/08 08:30 upstream b9ddbb0cde2a 5e837c76 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/10/06 03:42 upstream 3006adf3be79 db17ad9f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/10/04 22:01 upstream cbf3a2cb156a b7d7ff54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/10/01 03:07 upstream 3b517966c561 8e26a358 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/09/30 21:55 upstream 3b517966c561 8e26a358 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in direct2indirect
2023/10/29 04:48 upstream 51a7691038c3 3c418d72 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream general protection fault in direct2indirect
2023/10/11 01:07 upstream 1c8b86a3799f 83165b57 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 general protection fault in direct2indirect
2023/11/13 11:45 linux-next d173336e238b 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in direct2indirect
2023/10/23 15:21 linux-next e8361b005d7c 989a3687 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in direct2indirect
2023/12/09 05:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci d46efae31672 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/12/08 01:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci d46efae31672 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/12/01 10:22 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2cc14f52aeb7 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/12/01 00:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2cc14f52aeb7 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/30 14:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2cc14f52aeb7 f819d6f7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/25 09:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 5b429f39 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/20 04:12 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/14 12:44 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c cb976f63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/09 01:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c df3908d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/07 01:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 78fae24e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/06 05:20 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/05 17:27 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/05 12:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/02 10:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/11/02 01:43 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 69904c9f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/10/29 09:48 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8de1e7afcc1c 3c418d72 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/10/26 00:38 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 850ffb9bb2bd 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/10/22 11:53 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 78124b0c1d10 361b23dc .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/10/15 05:47 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 249eb8f39efb 6388bc36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
2023/10/10 02:24 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 19af4a4ed414 3c53c7d9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in direct2indirect
* Struck through repros no longer work on HEAD.