syzbot


WARNING in call_s_stream

Status: upstream: reported on 2024/03/27 19:34
Subsystems: media
[Documentation on labels]
Reported-by: syzbot+5bcd7c809d365e14c4df@syzkaller.appspotmail.com
First crash: 28d, last: 16d
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] [media?] WARNING in call_s_stream 2 (3) 2024/04/16 06:53
[syzbot] Monthly media report (Apr 2024) 0 (1) 2024/04/13 14:40

Sample crash report:
vimc link validate: Scaler:src:640x480 (0x33424752, 8, 0, 0, 0) RGB/YUV Capture:snk:640x480 (0x33424752, 8, 0, 0, 0)
vimc vimc.0: subdev_call error Scaler
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5529 at drivers/media/v4l2-core/v4l2-subdev.c:412 call_s_stream+0x3a1/0x440 drivers/media/v4l2-core/v4l2-subdev.c:412
Modules linked in:
CPU: 1 PID: 5529 Comm: syz-executor.4 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:call_s_stream+0x3a1/0x440 drivers/media/v4l2-core/v4l2-subdev.c:412
Code: 00 0f 85 8b 00 00 00 48 8b bb 08 01 00 00 44 89 e2 48 c7 c6 a0 b0 e4 8b 31 ed e8 ea 1e 56 fe e9 e2 fe ff ff e8 20 d2 52 fa 90 <0f> 0b 90 e9 fb fe ff ff e8 52 b4 ad fa e9 24 fe ff ff 4c 89 f7 e8
RSP: 0018:ffffc90015a5f970 EFLAGS: 00010287
RAX: 0000000000026ef0 RBX: ffff888024c0d820 RCX: ffffc9000d6b8000
RDX: 0000000000040000 RSI: ffffffff873b6a10 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888024c0d801 R14: ffff888024c0d990 R15: ffffffff878c91d0
FS:  00007f06e23ff6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2398cd56c6 CR3: 0000000079b4c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 vimc_streamer_pipeline_terminate+0x21b/0x320 drivers/media/test-drivers/vimc/vimc-streamer.c:62
 vimc_streamer_pipeline_init drivers/media/test-drivers/vimc/vimc-streamer.c:101 [inline]
 vimc_streamer_s_stream+0x650/0x9a0 drivers/media/test-drivers/vimc/vimc-streamer.c:203
 vimc_capture_start_streaming+0xa1/0x130 drivers/media/test-drivers/vimc/vimc-capture.c:255
 vb2_start_streaming+0x162/0x560 drivers/media/common/videobuf2/videobuf2-core.c:1676
 vb2_core_qbuf+0xfb8/0x14b0 drivers/media/common/videobuf2/videobuf2-core.c:1850
 vb2_qbuf+0x20e/0x330 drivers/media/common/videobuf2/videobuf2-v4l2.c:827
 vb2_ioctl_qbuf+0x110/0x160 drivers/media/common/videobuf2/videobuf2-v4l2.c:1076
 v4l_qbuf drivers/media/v4l2-core/v4l2-ioctl.c:2121 [inline]
 v4l_qbuf+0x99/0xc0 drivers/media/v4l2-core/v4l2-ioctl.c:2115
 __video_do_ioctl+0xafc/0xf00 drivers/media/v4l2-core/v4l2-ioctl.c:3049
 video_usercopy+0x4c5/0x15e0 drivers/media/v4l2-core/v4l2-ioctl.c:3390
 v4l2_ioctl+0x1c3/0x260 drivers/media/v4l2-core/v4l2-dev.c:364
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl fs/ioctl.c:890 [inline]
 __x64_sys_ioctl+0x196/0x220 fs/ioctl.c:890
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd5/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f06e287de69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f06e23ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f06e29ac1f0 RCX: 00007f06e287de69
RDX: 00000000200000c0 RSI: 00000000c058560f RDI: 0000000000000003
RBP: 00007f06e28ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f06e29ac1f0 R15: 00007ffd10aa0208
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/04 17:25 upstream fe46a7dd189e 0ee3535e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in call_s_stream
2024/03/27 05:52 upstream 480e035fc4c7 454571b6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in call_s_stream
2024/03/23 19:31 upstream 480e035fc4c7 0ea90952 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in call_s_stream
* Struck through repros no longer work on HEAD.