ci2 starts bisection 2023-04-30 15:17:37.647039432 +0000 UTC m=+171311.667410662
bisecting fixing commit since c957cbb8731536ddc9a01e4c1cd51eab6558aa14
building syzkaller on f325deb023e4e2fb9197004be1b3da738680429c
ensuring issue is reproducible on original commit c957cbb8731536ddc9a01e4c1cd51eab6558aa14

testing commit c957cbb8731536ddc9a01e4c1cd51eab6558aa14 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d23292c5d7e84fd966c3fc2f9fd9f2efd53616c8aa7311743868781bd0fe9c5e
all runs: crashed: WARNING in drm_wait_one_vblank
testing current HEAD f48aeeaaa64c628519273f6007a745cf55b68d95
testing commit f48aeeaaa64c628519273f6007a745cf55b68d95 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 7f456106fa0a0a495778b8e14c44b5db730657cbdd4d54a47296116bf72793d7
all runs: crashed: WARNING in drm_wait_one_vblank
revisions tested: 2, total time: 36m41.673274694s (build: 27m48.560255035s, test: 8m20.577199031s)
the crash still happens on HEAD
commit msg: Linux 5.15.109
crash: WARNING in drm_wait_one_vblank
platform vkms: vblank wait timed out on crtc 0
WARNING: CPU: 1 PID: 4863 at drivers/gpu/drm/drm_vblank.c:1269 drm_wait_one_vblank+0x80e/0x880 drivers/gpu/drm/drm_vblank.c:1269
Modules linked in:

CPU: 0 PID: 4863 Comm: syz-executor.0 Not tainted 5.15.109-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
RIP: 0010:drm_wait_one_vblank+0x80e/0x880 drivers/gpu/drm/drm_vblank.c:1269
Code: 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ff e8 96 b7 85 fd 49 8b 17 48 c7 c7 20 1e e9 89 4c 89 f6 89 d9 e8 d2 9b 19 fd <0f> 0b 49 bf 00 00 00 00 00 fc ff df e9 f3 fb ff ff 89 d9 80 e1 07
RSP: 0018:ffffc9000481fac0 EFLAGS: 00010246

RAX: 574f17dd89bc4000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffffffff89d73020 RDI: 0000000000000001
RBP: ffffc9000481fbf8 R08: dffffc0000000000 R09: ffffed10173a67a0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801858c008
R13: 1ffff92000903f64 R14: ffffffff89f77140 R15: ffff88814682d010
FS:  00007f04f8715700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1f85c39ae0 CR3: 000000001e9c0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drm_fb_helper_ioctl+0xde/0x110 drivers/gpu/drm/drm_fb_helper.c:1197
 do_fb_ioctl+0x1b1/0x710 drivers/video/fbdev/core/fbmem.c:1191
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xa7/0xf0 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f04f93a30f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f04f8715168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f04f94c2f80 RCX: 00007f04f93a30f9
RDX: 0000000000000000 RSI: 0000000040044620 RDI: 0000000000000004
RBP: 00007f04f93feb39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc5860f1bf R14: 00007f04f8715300 R15: 0000000000022000
 </TASK>