divide error: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 5074 Comm: syz-executor121 Not tainted 6.8.0-rc5-syzkaller-00121-g1c892cdd8fe0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:drm_mode_vrefresh drivers/gpu/drm/drm_modes.c:1303 [inline]
RIP: 0010:drm_mode_convert_to_umode+0x36a/0xbf0 drivers/gpu/drm/drm_modes.c:2594
Code: 0f b7 03 66 83 f8 02 b9 01 00 00 00 0f 43 c8 0f b7 c1 44 0f af f8 44 89 f0 48 69 c8 e8 03 00 00 44 89 f8 d1 e8 48 01 c8 31 d2 <49> f7 f7 48 89 c3 eb 1a e8 e9 2e 4b fc eb 05 e8 e2 2e 4b fc 48 8b
RSP: 0018:ffffc90003a5f660 EFLAGS: 00010246
RAX: 0000000000001f40 RBX: ffff8880234b2416 RCX: 0000000000001f40
RDX: 0000000000000000 RSI: ffffc90003a5f720 RDI: dffffc0000000000
RBP: 0000000000000200 R08: ffffffff85483dba R09: ffff8880234b240a
R10: dffffc0000000000 R11: ffffed1003de2579 R12: 1ffff11004696482
R13: ffff8880234b2400 R14: 0000000000000008 R15: 0000000000000000
FS: 0000555556c8e380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffec5bfa610 CR3: 0000000011538000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
drm_atomic_set_mode_for_crtc+0x14a/0x4a0 drivers/gpu/drm/drm_atomic_uapi.c:82
__drm_atomic_helper_set_config+0x255/0xf80 drivers/gpu/drm/drm_atomic.c:1679
drm_atomic_helper_set_config+0x8b/0x150 drivers/gpu/drm/drm_atomic_helper.c:3263
drm_mode_setcrtc+0xbb0/0x1780 drivers/gpu/drm/drm_crtc.c:886
drm_ioctl_kernel+0x33a/0x440 drivers/gpu/drm/drm_ioctl.c:744
drm_ioctl+0x639/0xb10 drivers/gpu/drm/drm_ioctl.c:841
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:857
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fd93248b7e9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffec5bfb618 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffec5bfb7e8 RCX: 00007fd93248b7e9
RDX: 0000000020000400 RSI: 00000000c06864a2 RDI: 0000000000000003
RBP: 00007fd9324fe610 R08: 0000000000000005 R09: 00007ffec5bfb7e8
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffec5bfb7d8 R14: 0000000000000001 R15: 0000000000000001
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:drm_mode_vrefresh drivers/gpu/drm/drm_modes.c:1303 [inline]
RIP: 0010:drm_mode_convert_to_umode+0x36a/0xbf0 drivers/gpu/drm/drm_modes.c:2594
Code: 0f b7 03 66 83 f8 02 b9 01 00 00 00 0f 43 c8 0f b7 c1 44 0f af f8 44 89 f0 48 69 c8 e8 03 00 00 44 89 f8 d1 e8 48 01 c8 31 d2 <49> f7 f7 48 89 c3 eb 1a e8 e9 2e 4b fc eb 05 e8 e2 2e 4b fc 48 8b
RSP: 0018:ffffc90003a5f660 EFLAGS: 00010246
RAX: 0000000000001f40 RBX: ffff8880234b2416 RCX: 0000000000001f40
RDX: 0000000000000000 RSI: ffffc90003a5f720 RDI: dffffc0000000000
RBP: 0000000000000200 R08: ffffffff85483dba R09: ffff8880234b240a
R10: dffffc0000000000 R11: ffffed1003de2579 R12: 1ffff11004696482
R13: ffff8880234b2400 R14: 0000000000000008 R15: 0000000000000000
FS: 0000555556c8e380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005fdeb8 CR3: 0000000011538000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 0f b7 03 movzwl (%rbx),%eax
3: 66 83 f8 02 cmp $0x2,%ax
7: b9 01 00 00 00 mov $0x1,%ecx
c: 0f 43 c8 cmovae %eax,%ecx
f: 0f b7 c1 movzwl %cx,%eax
12: 44 0f af f8 imul %eax,%r15d
16: 44 89 f0 mov %r14d,%eax
19: 48 69 c8 e8 03 00 00 imul $0x3e8,%rax,%rcx
20: 44 89 f8 mov %r15d,%eax
23: d1 e8 shr %eax
25: 48 01 c8 add %rcx,%rax
28: 31 d2 xor %edx,%edx
* 2a: 49 f7 f7 div %r15 <-- trapping instruction
2d: 48 89 c3 mov %rax,%rbx
30: eb 1a jmp 0x4c
32: e8 e9 2e 4b fc call 0xfc4b2f20
37: eb 05 jmp 0x3e
39: e8 e2 2e 4b fc call 0xfc4b2f20
3e: 48 rex.W
3f: 8b .byte 0x8b