[v6.6] general protection fault in diUpdatePMap
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syzbot
Nov 22, 2025, 6:25:24 PM (7 days ago) Nov 22
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 0a805b6ea8cd Linux 6.6.116
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=14136a12580000
kernel config: https://syzkaller.appspot.com/x/.config?x=12606d4b8832c7e4
dashboard link: https://syzkaller.appspot.com/bug?extid=201027ec6432fbb22315
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/13874446b4b2/disk-0a805b6e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/69a5e59e1ade/vmlinux-0a805b6e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/322c0711f976/bzImage-0a805b6e.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+201027...@syzkaller.appspotmail.com
general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xdead000000000108-0xdead00000000010f]
CPU: 1 PID: 112 Comm: jfsCommit Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RSP: 0018:ffffc90002cf7c70 EFLAGS: 00010806
RAX: 1bd5a00000000021 RBX: dead000000000100 RCX: 0000000000000000
RDX: dead000000000100 RSI: ffffc90002649ab0 RDI: ffff8880672f62f8
RBP: ffff8880672f62e8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200059ef70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002649ab0 R15: ffff8880672f62f8
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a87bfd51c CR3: 0000000062a57000 CR4: 00000000003506e0
Call Trace:
<TASK>
__list_add_valid include/linux/list.h:88 [inline]
__list_add include/linux/list.h:150 [inline]
list_add include/linux/list.h:169 [inline]
diUpdatePMap+0x62d/0xe50 fs/jfs/jfs_imap.c:2831
txUpdateMap+0x6c2/0x890 fs/jfs/jfs_txnmgr.c:2356
txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
jfs_lazycommit+0x42b/0xa60 fs/jfs/jfs_txnmgr.c:2732
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RSP: 0018:ffffc90002cf7c70 EFLAGS: 00010806
RAX: 1bd5a00000000021 RBX: dead000000000100 RCX: 0000000000000000
RDX: dead000000000100 RSI: ffffc90002649ab0 RDI: ffff8880672f62f8
RBP: ffff8880672f62e8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200059ef70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002649ab0 R15: ffff8880672f62f8
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a87bfd51c CR3: 0000000062a57000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 48 89 add %cl,-0x77(%rax)
5: d3 48 85 rorl %cl,-0x7b(%rax)
8: d2 0f rorb %cl,(%rdi)
a: 84 8c 00 00 00 49 89 test %cl,-0x76b70000(%rax,%rax,1)
11: f6 49 89 ff testb $0xff,-0x77(%rcx)
15: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13
1c: fc ff df
1f: 4c 8d 63 08 lea 0x8(%rbx),%r12
23: 4c 89 e0 mov %r12,%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: 4c 89 e7 mov %r12,%rdi
34: e8 d4 e3 b6 fd call 0xfdb6e40d
39: 49 8b 14 24 mov (%r12),%rdx
3d: 4c 39 f2 cmp %r14,%rdx
---
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: 0a805b6ea8cd Linux 6.6.116
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=14136a12580000
kernel config: https://syzkaller.appspot.com/x/.config?x=12606d4b8832c7e4
dashboard link: https://syzkaller.appspot.com/bug?extid=201027ec6432fbb22315
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/13874446b4b2/disk-0a805b6e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/69a5e59e1ade/vmlinux-0a805b6e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/322c0711f976/bzImage-0a805b6e.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+201027...@syzkaller.appspotmail.com
general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xdead000000000108-0xdead00000000010f]
CPU: 1 PID: 112 Comm: jfsCommit Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RSP: 0018:ffffc90002cf7c70 EFLAGS: 00010806
RAX: 1bd5a00000000021 RBX: dead000000000100 RCX: 0000000000000000
RDX: dead000000000100 RSI: ffffc90002649ab0 RDI: ffff8880672f62f8
RBP: ffff8880672f62e8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200059ef70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002649ab0 R15: ffff8880672f62f8
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a87bfd51c CR3: 0000000062a57000 CR4: 00000000003506e0
Call Trace:
<TASK>
__list_add_valid include/linux/list.h:88 [inline]
__list_add include/linux/list.h:150 [inline]
list_add include/linux/list.h:169 [inline]
diUpdatePMap+0x62d/0xe50 fs/jfs/jfs_imap.c:2831
txUpdateMap+0x6c2/0x890 fs/jfs/jfs_txnmgr.c:2356
txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
jfs_lazycommit+0x42b/0xa60 fs/jfs/jfs_txnmgr.c:2732
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RSP: 0018:ffffc90002cf7c70 EFLAGS: 00010806
RAX: 1bd5a00000000021 RBX: dead000000000100 RCX: 0000000000000000
RDX: dead000000000100 RSI: ffffc90002649ab0 RDI: ffff8880672f62f8
RBP: ffff8880672f62e8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200059ef70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002649ab0 R15: ffff8880672f62f8
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5a87bfd51c CR3: 0000000062a57000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 48 89 add %cl,-0x77(%rax)
5: d3 48 85 rorl %cl,-0x7b(%rax)
8: d2 0f rorb %cl,(%rdi)
a: 84 8c 00 00 00 49 89 test %cl,-0x76b70000(%rax,%rax,1)
11: f6 49 89 ff testb $0xff,-0x77(%rcx)
15: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13
1c: fc ff df
1f: 4c 8d 63 08 lea 0x8(%rbx),%r12
23: 4c 89 e0 mov %r12,%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: 4c 89 e7 mov %r12,%rdi
34: e8 d4 e3 b6 fd call 0xfdb6e40d
39: 49 8b 14 24 mov (%r12),%rdx
3d: 4c 39 f2 cmp %r14,%rdx
---
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
Nov 22, 2025, 10:33:29 PM (7 days ago) Nov 22
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: 0a805b6ea8cd Linux 6.6.116
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=13124e92580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16807658580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/13874446b4b2/disk-0a805b6e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/69a5e59e1ade/vmlinux-0a805b6e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/322c0711f976/bzImage-0a805b6e.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/8f7f196b1bbd/mount_0.gz
fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=17cd397c580000)
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+201027...@syzkaller.appspotmail.com
general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xdead000000000108-0xdead00000000010f]
CPU: 0 PID: 112 Comm: jfsCommit Not tainted syzkaller #0
RBP: ffff88801cae90f8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520004c8f70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002669230 R15: ffff88801cae9108
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
RBP: ffff88801cae90f8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520004c8f70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002669230 R15: ffff88801cae9108
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
#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: 0a805b6ea8cd Linux 6.6.116
git tree: linux-6.6.y
kernel config: https://syzkaller.appspot.com/x/.config?x=12606d4b8832c7e4
dashboard link: https://syzkaller.appspot.com/bug?extid=201027ec6432fbb22315
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10e658b4580000
dashboard link: https://syzkaller.appspot.com/bug?extid=201027ec6432fbb22315
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16807658580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/13874446b4b2/disk-0a805b6e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/69a5e59e1ade/vmlinux-0a805b6e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/322c0711f976/bzImage-0a805b6e.xz
fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=17cd397c580000)
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+201027...@syzkaller.appspotmail.com
general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xdead000000000108-0xdead00000000010f]
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RSP: 0018:ffffc90002647c70 EFLAGS: 00010806
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RAX: 1bd5a00000000021 RBX: dead000000000100 RCX: 0000000000000000
RDX: dead000000000100 RSI: ffffc90002669230 RDI: ffff88801cae9108
RBP: ffff88801cae90f8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520004c8f70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002669230 R15: ffff88801cae9108
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007face47fa000 CR3: 000000002f0c7000 CR4: 00000000003506f0
Call Trace:
<TASK>
__list_add_valid include/linux/list.h:88 [inline]
__list_add include/linux/list.h:150 [inline]
list_add include/linux/list.h:169 [inline]
diUpdatePMap+0x62d/0xe50 fs/jfs/jfs_imap.c:2831
txUpdateMap+0x6c2/0x890 fs/jfs/jfs_txnmgr.c:2356
txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
jfs_lazycommit+0x42b/0xa60 fs/jfs/jfs_txnmgr.c:2732
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RSP: 0018:ffffc90002647c70 EFLAGS: 00010806
<TASK>
__list_add_valid include/linux/list.h:88 [inline]
__list_add include/linux/list.h:150 [inline]
list_add include/linux/list.h:169 [inline]
diUpdatePMap+0x62d/0xe50 fs/jfs/jfs_imap.c:2831
txUpdateMap+0x6c2/0x890 fs/jfs/jfs_txnmgr.c:2356
txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline]
jfs_lazycommit+0x42b/0xa60 fs/jfs/jfs_txnmgr.c:2732
kthread+0x2fa/0x390 kernel/kthread.c:388
ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0x3d/0xf0 lib/list_debug.c:29
Code: 00 00 00 48 89 d3 48 85 d2 0f 84 8c 00 00 00 49 89 f6 49 89 ff 49 bd 00 00 00 00 00 fc ff df 4c 8d 63 08 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 d4 e3 b6 fd 49 8b 14 24 4c 39 f2
RAX: 1bd5a00000000021 RBX: dead000000000100 RCX: 0000000000000000
RDX: dead000000000100 RSI: ffffc90002669230 RDI: ffff88801cae9108
RBP: ffff88801cae90f8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520004c8f70 R12: dead000000000108
R13: dffffc0000000000 R14: ffffc90002669230 R15: ffff88801cae9108
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007face47fa000 CR3: 000000002f0c7000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 48 89 add %cl,-0x77(%rax)
5: d3 48 85 rorl %cl,-0x7b(%rax)
8: d2 0f rorb %cl,(%rdi)
a: 84 8c 00 00 00 49 89 test %cl,-0x76b70000(%rax,%rax,1)
11: f6 49 89 ff testb $0xff,-0x77(%rcx)
15: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13
1c: fc ff df
1f: 4c 8d 63 08 lea 0x8(%rbx),%r12
23: 4c 89 e0 mov %r12,%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: 4c 89 e7 mov %r12,%rdi
34: e8 d4 e3 b6 fd call 0xfdb6e40d
39: 49 8b 14 24 mov (%r12),%rdx
3d: 4c 39 f2 cmp %r14,%rdx
---
If you want syzbot to run the reproducer, reply with:
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 48 89 add %cl,-0x77(%rax)
5: d3 48 85 rorl %cl,-0x7b(%rax)
8: d2 0f rorb %cl,(%rdi)
a: 84 8c 00 00 00 49 89 test %cl,-0x76b70000(%rax,%rax,1)
11: f6 49 89 ff testb $0xff,-0x77(%rcx)
15: 49 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%r13
1c: fc ff df
1f: 4c 8d 63 08 lea 0x8(%rbx),%r12
23: 4c 89 e0 mov %r12,%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: 4c 89 e7 mov %r12,%rdi
34: e8 d4 e3 b6 fd call 0xfdb6e40d
39: 49 8b 14 24 mov (%r12),%rdx
3d: 4c 39 f2 cmp %r14,%rdx
---
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
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