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general protection fault in diRead (2)

Status: upstream: reported C repro on 2024/01/22 18:21
Subsystems: jfs
[Documentation on labels]
Reported-by: syzbot+8f731999dc47797f064f@syzkaller.appspotmail.com
First crash: 578d, last: 6d05h
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
[syzbot] [jfs?] general protection fault in diRead (2) 0 (3) 2024/07/20 00:16
Re: [syzbot] [jfs?] general protection fault in diRead (2) 1 (1) 2024/03/07 07:10
▶ ▼ Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 general protection fault in diRead 2 2 465d 468d 0/3 auto-obsoleted due to no activity on 2024/08/23 04:03
linux-6.1 general protection fault in diRead (2) origin:upstream 2 C 4 20d 238d 0/3 upstream: reported C repro on 2024/12/27 11:30
linux-5.15 BUG: unable to handle kernel paging request in diRead origin:upstream 8 C error 11 9d17h 320d 0/3 upstream: reported C repro on 2024/10/06 20:00
upstream general protection fault in diRead jfs 19 C error error 4 820d 986d 0/29 auto-obsoleted due to no activity on 2023/09/03 06:21
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/07/15 04:05 17m retest repro upstream OK log

Sample crash report:
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 UID: 0 PID: 6038 Comm: syz.0.16 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:diRead+0x420/0xb90 fs/jfs/jfs_imap.c:342
Code: 3c 08 00 4c 8b 7c 24 10 74 08 4c 89 f7 e8 48 07 e8 fe 49 8b 1e 48 83 c3 34 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 a4 05 00 00 8b 1b bf 40 00 00 00 89 de e8
RSP: 0018:ffffc900031276b8 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000034 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 000000000000001c R08: ffff888059c89c77 R09: 1ffff1100b39138e
R10: dffffc0000000000 R11: ffffed100b39138f R12: 0000000000000000
R13: ffff88807506c000 R14: ffff8880750e9ca0 R15: 0000000000000000
FS:  00007fc37551a6c0(0000) GS:ffff888125d57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc375519f98 CR3: 000000007a094000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jfs_iget+0x89/0x3e0 fs/jfs/inode.c:35
 jfs_lookup+0x1c5/0x380 fs/jfs/namei.c:1469
 lookup_open fs/namei.c:3695 [inline]
 open_last_lookups fs/namei.c:3816 [inline]
 path_openat+0x1101/0x3830 fs/namei.c:4052
 do_filp_open+0x1fa/0x410 fs/namei.c:4082
 do_sys_openat2+0x121/0x1c0 fs/open.c:1437
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_open fs/open.c:1460 [inline]
 __se_sys_open fs/open.c:1456 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1456
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc37478e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc37551a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fc3749b6080 RCX: 00007fc37478e9a9
RDX: 0000000000000000 RSI: 0000000000060142 RDI: 0000200000000040
RBP: 00007fc374810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fc3749b6080 R15: 00007fff4fd5a118
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:diRead+0x420/0xb90 fs/jfs/jfs_imap.c:342
Code: 3c 08 00 4c 8b 7c 24 10 74 08 4c 89 f7 e8 48 07 e8 fe 49 8b 1e 48 83 c3 34 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 a4 05 00 00 8b 1b bf 40 00 00 00 89 de e8
RSP: 0018:ffffc900031276b8 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000034 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 000000000000001c R08: ffff888059c89c77 R09: 1ffff1100b39138e
R10: dffffc0000000000 R11: ffffed100b39138f R12: 0000000000000000
R13: ffff88807506c000 R14: ffff8880750e9ca0 R15: 0000000000000000
FS:  00007fc37551a6c0(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fca73571286 CR3: 000000007a094000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	3c 08                	cmp    $0x8,%al
   2:	00 4c 8b 7c          	add    %cl,0x7c(%rbx,%rcx,4)
   6:	24 10                	and    $0x10,%al
   8:	74 08                	je     0x12
   a:	4c 89 f7             	mov    %r14,%rdi
   d:	e8 48 07 e8 fe       	call   0xfee8075a
  12:	49 8b 1e             	mov    (%r14),%rbx
  15:	48 83 c3 34          	add    $0x34,%rbx
  19:	48 89 d8             	mov    %rbx,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	0f b6 04 08          	movzbl (%rax,%rcx,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	0f 85 a4 05 00 00    	jne    0x5da
  36:	8b 1b                	mov    (%rbx),%ebx
  38:	bf 40 00 00 00       	mov    $0x40,%edi
  3d:	89 de                	mov    %ebx,%esi
  3f:	e8                   	.byte 0xe8

Crashes (289):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/21 12:31 upstream 89be9a83ccf1 56d87229 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-upstream-fs general protection fault in diRead
2025/04/11 18:17 upstream 900241a5cc15 94486846 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci2-upstream-fs general protection fault in diRead
2024/12/31 07:47 upstream ccb98ccef0e5 d3ccff63 .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in diRead
2024/12/21 07:03 upstream e9b8ffafd20a d7f584ee .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in diRead
2024/10/29 20:29 upstream e42b1a9a2557 66aeb999 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in diRead
2024/10/06 21:17 upstream 8f602276d390 d7906eff .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in diRead
2024/07/20 00:16 upstream 4305ca0087dd 890ce4f3 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs general protection fault in diRead
2025/07/23 03:16 upstream 89be9a83ccf1 e1dd4f22 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci-snapshot-upstream-root general protection fault in diRead
2025/07/21 07:40 upstream 89be9a83ccf1 7117feec .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] ci-snapshot-upstream-root general protection fault in diRead
2024/10/17 21:48 upstream 6efbea77b390 666f77ed .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root general protection fault in diRead
2024/11/11 19:29 linux-next 929beafbe7ac 97fe5517 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root general protection fault in diRead
2024/10/05 19:55 linux-next c02d24a5af66 d7906eff .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root general protection fault in diRead
2024/10/28 21:56 upstream 819837584309 9efb3cc7 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] ci-snapshot-upstream-root general protection fault in diRead
2024/07/01 03:36 upstream e0b668b07034 757f06b1 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro #1] [mounted in repro #2] [mounted in repro #3] [mounted in repro #4] ci2-upstream-fs general protection fault in diRead
2025/08/07 21:49 upstream 6e64f4580381 04cffc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/08/07 06:22 upstream cca7a0aae895 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/29 17:01 upstream ae388edd4a8f c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/28 23:51 upstream 038d61fd6422 6654ea9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/28 09:37 upstream b711733e89a3 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/25 19:28 upstream 2942242dde89 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/25 05:52 upstream 94ce1ac2c9b4 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/16 03:20 upstream 155a3c003e55 03fcfc4b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/12 16:37 upstream 379f604cc3dc 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/10 15:30 upstream 8c2e52ebbe88 956bd956 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/06 02:02 upstream 05df91921da6 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/04 00:45 upstream 17bbde2e1716 76ad128c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/03 19:04 upstream 17bbde2e1716 115ceea7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/07/02 02:34 upstream 66701750d556 091a06cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/06/13 16:23 upstream 27605c8c0f69 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/06/11 22:21 upstream 488ef3560196 98683f8f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/06/11 03:36 upstream aef17cb3d3c4 5d7e17ca .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/06/10 05:51 upstream 19272b37aa4f 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/06/08 21:55 upstream 939f15e640f1 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/06/07 21:48 upstream 5b032cac6225 4826c28e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/06/05 17:25 upstream ec7714e49479 6b6b5f21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/06/03 22:08 upstream 546b1c9e93c2 a30356b7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in diRead
2024/01/22 13:33 upstream 6613476e225e 9bd8dcda .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs general protection fault in diRead
2025/08/17 01:02 upstream 90d970cade8e dcc075fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/08/15 06:14 upstream 24ea63ea3877 dcc075fb .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/08/08 07:24 upstream bec077162bd0 6a893178 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/08/05 21:15 upstream 7e161a991ea7 37880f40 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/08/03 10:36 upstream 186f3edfdd41 7368264b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/07/28 06:10 upstream b711733e89a3 fb8f743d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/07/25 17:45 upstream 2942242dde89 fb8f743d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/07/21 07:08 upstream 89be9a83ccf1 7117feec .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/07/19 00:49 upstream d786aba32000 7117feec .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/07/12 22:10 upstream 3f31a806a62e 3cda49cf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/07/12 06:11 upstream 40f92e79b0aa 3cda49cf .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/07/01 14:54 upstream 66701750d556 a073c096 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/06/29 07:52 upstream dfba48a70cb6 fc9d8ee5 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/06/26 16:27 upstream ee88bddf7f2f 1ae8177e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/06/26 06:21 upstream 92ca6c498a5e 26d77996 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/06/24 23:44 upstream 78f4e737a53e 26d77996 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/06/21 12:05 upstream 11313e2f7812 d6cdfb8a .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/06/19 13:30 upstream fb4d33ab452e ed3e87f7 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/06/15 14:45 upstream 8c6bc74c7f89 5f4b362d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/06/10 21:07 upstream f09079bd04a9 5d7e17ca .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2025/05/28 22:55 upstream feacb1774bd5 3d2f584d .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root general protection fault in diRead
2024/12/24 19:33 linux-next 8155b4ef3466 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in diRead
2025/03/20 18:14 upstream a7f2e10ecd8f 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: slab-use-after-free Read in diRead
2025/08/16 01:33 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/08/14 01:15 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/08/10 02:11 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/08/01 04:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/07/28 01:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/07/26 14:25 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 82af5ea7c611 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/07/07 10:57 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 7482bb149b9f 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/06/30 11:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e fc9d8ee5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/06/23 15:16 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 9aa9b43d689e d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/06/16 05:07 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 39dfc971e42d 5f4b362d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
2025/06/02 05:36 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci d7fa1af5b33e 3d2f584d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: unable to handle kernel paging request in diRead
* Struck through repros no longer work on HEAD.