[v6.1] general protection fault in diRead (2)
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syzbot
Dec 27, 2024, 6:30:23 AM12/27/24
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 29f02ec58a94 Linux 6.1.121
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=10dec2c4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=c8697877836e1705
dashboard link: https://syzkaller.appspot.com/bug?extid=2e61cbc73f30efd90fc6
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/632e77126918/disk-29f02ec5.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/83f3846b30db/vmlinux-29f02ec5.xz
kernel image: https://storage.googleapis.com/syzbot-assets/06b9420d9530/bzImage-29f02ec5.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2e61cb...@syzkaller.appspotmail.com
general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 6666 Comm: syz.4.549 Tainted: G W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:diRead+0x436/0xbb0 fs/jfs/jfs_imap.c:342
Code: 08 00 4c 8b 64 24 18 74 08 48 89 ef e8 b3 ec d2 fe 48 8b 5d 00 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 7a 05 00 00 8b 1b bf 40 00 00 00 89 de e8
RSP: 0018:ffffc900038c7738 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000034 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: ffff888074b3aea0 R08: ffffffff830f39aa R09: ffffed100aa8d392
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 000000000000001c R14: 0000000000000000 R15: ffff888055469ff0
FS: 00007f81d75de6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005775d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
jfs_lookup+0x222/0x400 fs/jfs/namei.c:1467
__lookup_slow+0x27e/0x3d0 fs/namei.c:1690
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component+0x2d0/0x400 fs/namei.c:1998
lookup_last fs/namei.c:2455 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2479
filename_lookup+0x251/0x600 fs/namei.c:2508
user_path_at_empty+0x3e/0x60 fs/namei.c:2905
user_path_at include/linux/namei.h:57 [inline]
do_mount fs/namespace.c:3396 [inline]
__do_sys_mount fs/namespace.c:3607 [inline]
__se_sys_mount+0x296/0x3c0 fs/namespace.c:3584
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f81d7785d29
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:00007f81d75de038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f81d7976080 RCX: 00007f81d7785d29
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000000
RBP: 00007f81d7801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000010f482a R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f81d7976080 R15: 00007ffddcf58fb8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:diRead+0x436/0xbb0 fs/jfs/jfs_imap.c:342
Code: 08 00 4c 8b 64 24 18 74 08 48 89 ef e8 b3 ec d2 fe 48 8b 5d 00 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 7a 05 00 00 8b 1b bf 40 00 00 00 89 de e8
RSP: 0018:ffffc900038c7738 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000034 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: ffff888074b3aea0 R08: ffffffff830f39aa R09: ffffed100aa8d392
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 000000000000001c R14: 0000000000000000 R15: ffff888055469ff0
FS: 00007f81d75de6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f7e6ccc950 CR3: 000000005775d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 08 00 or %al,(%rax)
2: 4c 8b 64 24 18 mov 0x18(%rsp),%r12
7: 74 08 je 0x11
9: 48 89 ef mov %rbp,%rdi
c: e8 b3 ec d2 fe call 0xfed2ecc4
11: 48 8b 5d 00 mov 0x0(%rbp),%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 7a 05 00 00 jne 0x5b0
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
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: 29f02ec58a94 Linux 6.1.121
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=10dec2c4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=c8697877836e1705
dashboard link: https://syzkaller.appspot.com/bug?extid=2e61cbc73f30efd90fc6
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/632e77126918/disk-29f02ec5.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/83f3846b30db/vmlinux-29f02ec5.xz
kernel image: https://storage.googleapis.com/syzbot-assets/06b9420d9530/bzImage-29f02ec5.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2e61cb...@syzkaller.appspotmail.com
general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 6666 Comm: syz.4.549 Tainted: G W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:diRead+0x436/0xbb0 fs/jfs/jfs_imap.c:342
Code: 08 00 4c 8b 64 24 18 74 08 48 89 ef e8 b3 ec d2 fe 48 8b 5d 00 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 7a 05 00 00 8b 1b bf 40 00 00 00 89 de e8
RSP: 0018:ffffc900038c7738 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000034 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: ffff888074b3aea0 R08: ffffffff830f39aa R09: ffffed100aa8d392
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 000000000000001c R14: 0000000000000000 R15: ffff888055469ff0
FS: 00007f81d75de6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005775d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
jfs_lookup+0x222/0x400 fs/jfs/namei.c:1467
__lookup_slow+0x27e/0x3d0 fs/namei.c:1690
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component+0x2d0/0x400 fs/namei.c:1998
lookup_last fs/namei.c:2455 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2479
filename_lookup+0x251/0x600 fs/namei.c:2508
user_path_at_empty+0x3e/0x60 fs/namei.c:2905
user_path_at include/linux/namei.h:57 [inline]
do_mount fs/namespace.c:3396 [inline]
__do_sys_mount fs/namespace.c:3607 [inline]
__se_sys_mount+0x296/0x3c0 fs/namespace.c:3584
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f81d7785d29
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:00007f81d75de038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f81d7976080 RCX: 00007f81d7785d29
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000000
RBP: 00007f81d7801b08 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000010f482a R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f81d7976080 R15: 00007ffddcf58fb8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:diRead+0x436/0xbb0 fs/jfs/jfs_imap.c:342
Code: 08 00 4c 8b 64 24 18 74 08 48 89 ef e8 b3 ec d2 fe 48 8b 5d 00 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 7a 05 00 00 8b 1b bf 40 00 00 00 89 de e8
RSP: 0018:ffffc900038c7738 EFLAGS: 00010207
RAX: 0000000000000006 RBX: 0000000000000034 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: ffff888074b3aea0 R08: ffffffff830f39aa R09: ffffed100aa8d392
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 000000000000001c R14: 0000000000000000 R15: ffff888055469ff0
FS: 00007f81d75de6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f7e6ccc950 CR3: 000000005775d000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 08 00 or %al,(%rax)
2: 4c 8b 64 24 18 mov 0x18(%rsp),%r12
7: 74 08 je 0x11
9: 48 89 ef mov %rbp,%rdi
c: e8 b3 ec d2 fe call 0xfed2ecc4
11: 48 8b 5d 00 mov 0x0(%rbp),%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 7a 05 00 00 jne 0x5b0
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
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot
Dec 27, 2024, 6:59:24 AM12/27/24
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 29f02ec58a94 Linux 6.1.121
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1351c2c4580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13c5d90f980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/632e77126918/disk-29f02ec5.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/83f3846b30db/vmlinux-29f02ec5.xz
kernel image: https://storage.googleapis.com/syzbot-assets/06b9420d9530/bzImage-29f02ec5.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/1bcaf3f70bd1/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2e61cb...@syzkaller.appspotmail.com
general protection fault, probably for non-canonical address 0xdffffc0000000104: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000820-0x0000000000000827]
CPU: 1 PID: 4341 Comm: syz-executor339 Tainted: G W 6.1.121-syzkaller #0
RIP: 0010:diRead+0x14e/0xbb0 fs/jfs/jfs_imap.c:316
Code: 8b 75 80 48 89 6c 24 28 4c 8d bd 98 fc ff ff 4c 89 ff be 01 00 00 00 e8 50 bf 5a fe 49 8d 9e 20 08 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 73 ef d2 fe 4c 8b 2b 49 8d 6d 28
RSP: 0018:ffffc90003e67738 EFLAGS: 00010202
RAX: 0000000000000104 RBX: 0000000000000820 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffff88806dd40430 R08: dffffc0000000000 R09: ffffed100dba801b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000004
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88806dd400c8
FS: 00007f63aba506c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
__do_sys_lchown fs/open.c:792 [inline]
__se_sys_lchown fs/open.c:790 [inline]
__x64_sys_lchown+0x81/0x90 fs/open.c:790
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:00007f63aba50218 EFLAGS: 00000246 ORIG_RAX: 000000000000005e
RAX: ffffffffffffffda RBX: 00007f63abb426b8 RCX: 00007f63abab4bd9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f63abb426b0 R08: 00007ffd6f2e13e7 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f63abb0906b
R13: 00007f63abb09073 R14: 0037656c69662f2e R15: 0031656c69662f2e
RIP: 0010:diRead+0x14e/0xbb0 fs/jfs/jfs_imap.c:316
Code: 8b 75 80 48 89 6c 24 28 4c 8d bd 98 fc ff ff 4c 89 ff be 01 00 00 00 e8 50 bf 5a fe 49 8d 9e 20 08 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 73 ef d2 fe 4c 8b 2b 49 8d 6d 28
RSP: 0018:ffffc90003e67738 EFLAGS: 00010202
RAX: 0000000000000104 RBX: 0000000000000820 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffff88806dd40430 R08: dffffc0000000000 R09: ffffed100dba801b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000004
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88806dd400c8
FS: 00007f63aba506c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
3: 48 89 6c 24 28 mov %rbp,0x28(%rsp)
8: 4c 8d bd 98 fc ff ff lea -0x368(%rbp),%r15
f: 4c 89 ff mov %r15,%rdi
12: be 01 00 00 00 mov $0x1,%esi
17: e8 50 bf 5a fe call 0xfe5abf6c
1c: 49 8d 9e 20 08 00 00 lea 0x820(%r14),%rbx
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 48 89 df mov %rbx,%rdi
34: e8 73 ef d2 fe call 0xfed2efac
39: 4c 8b 2b mov (%rbx),%r13
3c: 49 8d 6d 28 lea 0x28(%r13),%rbp
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
HEAD commit: 29f02ec58a94 Linux 6.1.121
git tree: linux-6.1.y
kernel config: https://syzkaller.appspot.com/x/.config?x=c8697877836e1705
dashboard link: https://syzkaller.appspot.com/bug?extid=2e61cbc73f30efd90fc6
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13455018580000
dashboard link: https://syzkaller.appspot.com/bug?extid=2e61cbc73f30efd90fc6
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13c5d90f980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/632e77126918/disk-29f02ec5.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/83f3846b30db/vmlinux-29f02ec5.xz
kernel image: https://storage.googleapis.com/syzbot-assets/06b9420d9530/bzImage-29f02ec5.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2e61cb...@syzkaller.appspotmail.com
KASAN: null-ptr-deref in range [0x0000000000000820-0x0000000000000827]
CPU: 1 PID: 4341 Comm: syz-executor339 Tainted: G W 6.1.121-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:diIAGRead fs/jfs/jfs_imap.c:2665 [inline]
RIP: 0010:diRead+0x14e/0xbb0 fs/jfs/jfs_imap.c:316
Code: 8b 75 80 48 89 6c 24 28 4c 8d bd 98 fc ff ff 4c 89 ff be 01 00 00 00 e8 50 bf 5a fe 49 8d 9e 20 08 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 73 ef d2 fe 4c 8b 2b 49 8d 6d 28
RSP: 0018:ffffc90003e67738 EFLAGS: 00010202
RAX: 0000000000000104 RBX: 0000000000000820 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffff88806dd40430 R08: dffffc0000000000 R09: ffffed100dba801b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000004
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88806dd400c8
FS: 00007f63aba506c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f63aba50d58 CR3: 0000000028fd0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
jfs_lookup+0x222/0x400 fs/jfs/namei.c:1467
__lookup_slow+0x27e/0x3d0 fs/namei.c:1690
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component+0x2d0/0x400 fs/namei.c:1998
lookup_last fs/namei.c:2455 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2479
filename_lookup+0x251/0x600 fs/namei.c:2508
user_path_at_empty+0x3e/0x60 fs/namei.c:2905
user_path_at include/linux/namei.h:57 [inline]
do_fchownat+0xec/0x240 fs/open.c:761
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
jfs_iget+0x88/0x3b0 fs/jfs/inode.c:35
jfs_lookup+0x222/0x400 fs/jfs/namei.c:1467
__lookup_slow+0x27e/0x3d0 fs/namei.c:1690
lookup_slow+0x53/0x70 fs/namei.c:1707
walk_component+0x2d0/0x400 fs/namei.c:1998
lookup_last fs/namei.c:2455 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2479
filename_lookup+0x251/0x600 fs/namei.c:2508
user_path_at_empty+0x3e/0x60 fs/namei.c:2905
user_path_at include/linux/namei.h:57 [inline]
__do_sys_lchown fs/open.c:792 [inline]
__se_sys_lchown fs/open.c:790 [inline]
__x64_sys_lchown+0x81/0x90 fs/open.c:790
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f63abab4bd9
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
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:00007f63aba50218 EFLAGS: 00000246 ORIG_RAX: 000000000000005e
RAX: ffffffffffffffda RBX: 00007f63abb426b8 RCX: 00007f63abab4bd9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f63abb426b0 R08: 00007ffd6f2e13e7 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f63abb0906b
R13: 00007f63abb09073 R14: 0037656c69662f2e R15: 0031656c69662f2e
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:diIAGRead fs/jfs/jfs_imap.c:2665 [inline]
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:diRead+0x14e/0xbb0 fs/jfs/jfs_imap.c:316
Code: 8b 75 80 48 89 6c 24 28 4c 8d bd 98 fc ff ff 4c 89 ff be 01 00 00 00 e8 50 bf 5a fe 49 8d 9e 20 08 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 73 ef d2 fe 4c 8b 2b 49 8d 6d 28
RSP: 0018:ffffc90003e67738 EFLAGS: 00010202
RAX: 0000000000000104 RBX: 0000000000000820 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffff88806dd40430 R08: dffffc0000000000 R09: ffffed100dba801b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000004
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88806dd400c8
FS: 00007f63aba506c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f63aba72000 CR3: 0000000028fd0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 8b 75 80 mov -0x80(%rbp),%esi
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
3: 48 89 6c 24 28 mov %rbp,0x28(%rsp)
8: 4c 8d bd 98 fc ff ff lea -0x368(%rbp),%r15
f: 4c 89 ff mov %r15,%rdi
12: be 01 00 00 00 mov $0x1,%esi
17: e8 50 bf 5a fe call 0xfe5abf6c
1c: 49 8d 9e 20 08 00 00 lea 0x820(%r14),%rbx
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 48 89 df mov %rbx,%rdi
34: e8 73 ef d2 fe call 0xfed2efac
39: 4c 8b 2b mov (%rbx),%r13
3c: 49 8d 6d 28 lea 0x28(%r13),%rbp
---
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#syz test: git://repo/address.git branch-or-commit-hash
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