[v5.15] UBSAN: shift-out-of-bounds in aio_iiro_16_attach
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syzbot
Jul 21, 2025, 1:32:31 PM7/21/25
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: c79648372d02 Linux 5.15.189
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=15098fd4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=f3b1215b3cf4119f
dashboard link: https://syzkaller.appspot.com/bug?extid=2878aad7ec0921e901b5
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/fa511d2a8893/disk-c7964837.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/f14b6c77bbb9/vmlinux-c7964837.xz
kernel image: https://storage.googleapis.com/syzbot-assets/388987ba15c6/bzImage-c7964837.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2878aa...@syzkaller.appspotmail.com
================================================================================
UBSAN: shift-out-of-bounds in drivers/comedi/drivers/aio_iiro_16.c:181:9
shift exponent 8550 is too large for 32-bit type 'int'
CPU: 0 PID: 7280 Comm: syz.4.536 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
<TASK>
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
__ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321
aio_iiro_16_attach+0x5db/0x790 drivers/comedi/drivers/aio_iiro_16.c:181
comedi_device_attach+0x515/0x650 drivers/comedi/drivers.c:996
do_devconfig_ioctl drivers/comedi/comedi_fops.c:851 [inline]
comedi_unlocked_ioctl+0x5ec/0xe90 drivers/comedi/comedi_fops.c:2131
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa252f1f9a9
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:00007fa250d87038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa253146fa0 RCX: 00007fa252f1f9a9
RDX: 0000200000000140 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007fa252fa1d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa253146fa0 R15: 00007fff71c2c418
</TASK>
================================================================================
---
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: c79648372d02 Linux 5.15.189
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=15098fd4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=f3b1215b3cf4119f
dashboard link: https://syzkaller.appspot.com/bug?extid=2878aad7ec0921e901b5
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/fa511d2a8893/disk-c7964837.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/f14b6c77bbb9/vmlinux-c7964837.xz
kernel image: https://storage.googleapis.com/syzbot-assets/388987ba15c6/bzImage-c7964837.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2878aa...@syzkaller.appspotmail.com
================================================================================
UBSAN: shift-out-of-bounds in drivers/comedi/drivers/aio_iiro_16.c:181:9
shift exponent 8550 is too large for 32-bit type 'int'
CPU: 0 PID: 7280 Comm: syz.4.536 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
<TASK>
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
__ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321
aio_iiro_16_attach+0x5db/0x790 drivers/comedi/drivers/aio_iiro_16.c:181
comedi_device_attach+0x515/0x650 drivers/comedi/drivers.c:996
do_devconfig_ioctl drivers/comedi/comedi_fops.c:851 [inline]
comedi_unlocked_ioctl+0x5ec/0xe90 drivers/comedi/comedi_fops.c:2131
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa252f1f9a9
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:00007fa250d87038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa253146fa0 RCX: 00007fa252f1f9a9
RDX: 0000200000000140 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007fa252fa1d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa253146fa0 R15: 00007fff71c2c418
</TASK>
================================================================================
---
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
Jul 21, 2025, 3:38:39 PM7/21/25
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3369c6df2fae Linux 6.1.146
syzbot found the following issue on:
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=127dff98580000
kernel config: https://syzkaller.appspot.com/x/.config?x=23408fa0371522c8
dashboard link: https://syzkaller.appspot.com/bug?extid=93be9bb02390ec5ca613
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ffd1a897d15e/disk-3369c6df.raw.xz
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
vmlinux: https://storage.googleapis.com/syzbot-assets/3901d2261137/vmlinux-3369c6df.xz
kernel image: https://storage.googleapis.com/syzbot-assets/dc1910a86639/bzImage-3369c6df.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
================================================================================
UBSAN: shift-out-of-bounds in drivers/comedi/drivers/aio_iiro_16.c:180:9
shift exponent 8550 is too large for 32-bit type 'int'
CPU: 0 PID: 6832 Comm: syz.6.581 Not tainted 6.1.146-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
<TASK>
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
Call Trace:
<TASK>
ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
__ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321
aio_iiro_16_attach+0x5dc/0x790 drivers/comedi/drivers/aio_iiro_16.c:180
__ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321
comedi_device_attach+0x515/0x650 drivers/comedi/drivers.c:995
do_devconfig_ioctl drivers/comedi/comedi_fops.c:851 [inline]
comedi_unlocked_ioctl+0x5ec/0xe90 drivers/comedi/comedi_fops.c:2131
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
comedi_unlocked_ioctl+0x5ec/0xe90 drivers/comedi/comedi_fops.c:2131
vfs_ioctl fs/ioctl.c:51 [inline]
__se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fafc7b8e9a9
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:00007fafc89fc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fafc7db5fa0 RCX: 00007fafc7b8e9a9
RDX: 0000200000000140 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007fafc7c10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fafc7db5fa0 R15: 00007ffd49c1d5e8
syzbot
Jul 21, 2025, 6:06:33 PM7/21/25
to syzkaller...@googlegroups.com
syzbot has found a reproducer for the following issue on:
HEAD commit: c79648372d02 Linux 5.15.189
git tree: linux-5.15.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1135cf22580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15391f22580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/fa511d2a8893/disk-c7964837.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/f14b6c77bbb9/vmlinux-c7964837.xz
kernel image: https://storage.googleapis.com/syzbot-assets/388987ba15c6/bzImage-c7964837.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2878aa...@syzkaller.appspotmail.com
================================================================================
UBSAN: shift-out-of-bounds in drivers/comedi/drivers/aio_iiro_16.c:181:9
shift exponent 8550 is too large for 32-bit type 'int'
CPU: 0 PID: 4312 Comm: syz.0.16 Not tainted 5.15.189-syzkaller #0
RAX: ffffffffffffffda RBX: 00007f5cfb2fbfa0 RCX: 00007f5cfb0d49a9
</TASK>
================================================================================
---
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: c79648372d02 Linux 5.15.189
git tree: linux-5.15.y
kernel config: https://syzkaller.appspot.com/x/.config?x=f3b1215b3cf4119f
dashboard link: https://syzkaller.appspot.com/bug?extid=2878aad7ec0921e901b5
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15378fd4580000
dashboard link: https://syzkaller.appspot.com/bug?extid=2878aad7ec0921e901b5
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15391f22580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/fa511d2a8893/disk-c7964837.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/f14b6c77bbb9/vmlinux-c7964837.xz
kernel image: https://storage.googleapis.com/syzbot-assets/388987ba15c6/bzImage-c7964837.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+2878aa...@syzkaller.appspotmail.com
================================================================================
UBSAN: shift-out-of-bounds in drivers/comedi/drivers/aio_iiro_16.c:181:9
shift exponent 8550 is too large for 32-bit type 'int'
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
<TASK>
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
__ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321
aio_iiro_16_attach+0x5db/0x790 drivers/comedi/drivers/aio_iiro_16.c:181
comedi_device_attach+0x515/0x650 drivers/comedi/drivers.c:996
do_devconfig_ioctl drivers/comedi/comedi_fops.c:851 [inline]
comedi_unlocked_ioctl+0x5ec/0xe90 drivers/comedi/comedi_fops.c:2131
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5cfb0d49a9
Call Trace:
<TASK>
dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106
ubsan_epilogue+0xa/0x30 lib/ubsan.c:151
__ubsan_handle_shift_out_of_bounds+0x37c/0x400 lib/ubsan.c:321
aio_iiro_16_attach+0x5db/0x790 drivers/comedi/drivers/aio_iiro_16.c:181
comedi_device_attach+0x515/0x650 drivers/comedi/drivers.c:996
do_devconfig_ioctl drivers/comedi/comedi_fops.c:851 [inline]
comedi_unlocked_ioctl+0x5ec/0xe90 drivers/comedi/comedi_fops.c:2131
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
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:00007ffd00dd9fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5cfb2fbfa0 RCX: 00007f5cfb0d49a9
RDX: 0000200000000140 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007f5cfb156d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5cfb2fbfa0 R14: 00007f5cfb2fbfa0 R15: 0000000000000003
</TASK>
================================================================================
---
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.
syzbot
Jul 22, 2025, 7:15:38 AM7/22/25
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: d96eb99e2f0e Linux 6.6.99
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=11a0cfd4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=bfd82343ac39d3b
dashboard link: https://syzkaller.appspot.com/bug?extid=fb68907604a80f633c24
disk image: https://storage.googleapis.com/syzbot-assets/11b332f11d00/disk-d96eb99e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8a063193b98f/vmlinux-d96eb99e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b36214b822e5/bzImage-d96eb99e.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+fb6890...@syzkaller.appspotmail.com
================================================================================
UBSAN: shift-out-of-bounds in drivers/comedi/drivers/aio_iiro_16.c:180:9
shift exponent 1048581 is too large for 32-bit type 'int'
CPU: 0 PID: 7057 Comm: syz.2.311 Not tainted 6.6.99-syzkaller #0
ubsan_epilogue+0xa/0x30 lib/ubsan.c:217
__ubsan_handle_shift_out_of_bounds+0x380/0x400 lib/ubsan.c:387
aio_iiro_16_attach+0x5e0/0x790 drivers/comedi/drivers/aio_iiro_16.c:180
comedi_device_attach+0x519/0x660 drivers/comedi/drivers.c:995
do_devconfig_ioctl drivers/comedi/comedi_fops.c:855 [inline]
comedi_unlocked_ioctl+0x68d/0xf00 drivers/comedi/comedi_fops.c:2136
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc3e338e9a9
RAX: ffffffffffffffda RBX: 00007fc3e35b5fa0 RCX: 00007fc3e338e9a9
RDX: 00002000000000c0 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007fc3e3410d69 R08: 0000000000000000 R09: 0000000000000000
syzbot found the following issue on:
HEAD commit: d96eb99e2f0e Linux 6.6.99
git tree: linux-6.6.y
console output: https://syzkaller.appspot.com/x/log.txt?x=11a0cfd4580000
kernel config: https://syzkaller.appspot.com/x/.config?x=bfd82343ac39d3b
dashboard link: https://syzkaller.appspot.com/bug?extid=fb68907604a80f633c24
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/11b332f11d00/disk-d96eb99e.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/8a063193b98f/vmlinux-d96eb99e.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b36214b822e5/bzImage-d96eb99e.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
================================================================================
UBSAN: shift-out-of-bounds in drivers/comedi/drivers/aio_iiro_16.c:180:9
shift exponent 1048581 is too large for 32-bit type 'int'
CPU: 0 PID: 7057 Comm: syz.2.311 Not tainted 6.6.99-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
<TASK>
dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
Call Trace:
<TASK>
ubsan_epilogue+0xa/0x30 lib/ubsan.c:217
__ubsan_handle_shift_out_of_bounds+0x380/0x400 lib/ubsan.c:387
aio_iiro_16_attach+0x5e0/0x790 drivers/comedi/drivers/aio_iiro_16.c:180
comedi_device_attach+0x519/0x660 drivers/comedi/drivers.c:995
do_devconfig_ioctl drivers/comedi/comedi_fops.c:855 [inline]
comedi_unlocked_ioctl+0x68d/0xf00 drivers/comedi/comedi_fops.c:2136
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fc3e338e9a9
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:00007fc3e41f8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc3e35b5fa0 RCX: 00007fc3e338e9a9
RDX: 00002000000000c0 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007fc3e3410d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3e35b5fa0 R15: 00007ffcc97420a8
syzbot
Oct 1, 2025, 1:01:05 AM10/1/25
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syzbot suspects this issue was fixed by commit:
commit c593215385f0c0163015cca4512ed3ff42875d19
Author: Ian Abbott <abb...@mev.co.uk>
Date: Mon Jul 7 13:46:22 2025 +0000
comedi: aio_iiro_16: Fix bit shift out of bounds
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11a4a334580000
start commit: c79648372d02 Linux 5.15.189
git tree: linux-5.15.y
#syz fix: comedi: aio_iiro_16: Fix bit shift out of bounds
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
commit c593215385f0c0163015cca4512ed3ff42875d19
Author: Ian Abbott <abb...@mev.co.uk>
Date: Mon Jul 7 13:46:22 2025 +0000
comedi: aio_iiro_16: Fix bit shift out of bounds
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11a4a334580000
start commit: c79648372d02 Linux 5.15.189
git tree: linux-5.15.y
kernel config: https://syzkaller.appspot.com/x/.config?x=f3b1215b3cf4119f
dashboard link: https://syzkaller.appspot.com/bug?extid=2878aad7ec0921e901b5
dashboard link: https://syzkaller.appspot.com/bug?extid=2878aad7ec0921e901b5
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15378fd4580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15391f22580000
If the result looks correct, please mark the issue as fixed by replying with:
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15391f22580000
#syz fix: comedi: aio_iiro_16: Fix bit shift out of bounds
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
syzbot
Oct 30, 2025, 7:15:16 AM10/30/25
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Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
syzbot
Oct 31, 2025, 11:39:20 AM10/31/25
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