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: 44d, last: 1d17h
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 vimc.0: subdev_call error Scaler
------------[ cut here ]------------
WARNING: CPU: 0 PID: 11841 at drivers/media/v4l2-core/v4l2-subdev.c:412 call_s_stream+0x1f5/0x220 drivers/media/v4l2-core/v4l2-subdev.c:412
Modules linked in:
CPU: 0 PID: 11841 Comm: syz-executor.0 Not tainted 6.9.0-rc6-syzkaller-00234-g7367539ad4b0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:call_s_stream+0x1f5/0x220 drivers/media/v4l2-core/v4l2-subdev.c:412
Code: c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 b4 a0 43 fa 49 8b 3f 48 c7 c6 20 58 85 8c 89 da e8 83 ba c8 03 eb 9e e8 fc f5 de f9 90 <0f> 0b 90 eb b0 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ca fe ff ff
RSP: 0018:ffffc90004387880 EFLAGS: 00010283
RAX: ffffffff87b71ac4 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000e27a000 RSI: 000000000001a275 RDI: 000000000001a276
RBP: 0000000000000001 R08: ffffffff87b71931 R09: fffffbfff1c39b5c
R10: dffffc0000000000 R11: ffffffff87b718d0 R12: ffff88802475b990
R13: 0000000000000000 R14: 1ffff110048eb732 R15: ffff88802475b820
FS:  00007fa22f9866c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb00da03000 CR3: 0000000061056000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 vimc_streamer_pipeline_terminate+0x21b/0x360 drivers/media/test-drivers/vimc/vimc-streamer.c:62
 vimc_streamer_s_stream+0x69f/0x800 drivers/media/test-drivers/vimc/vimc-streamer.c:203
 vimc_capture_start_streaming+0x230/0x440 drivers/media/test-drivers/vimc/vimc-capture.c:255
 vb2_start_streaming+0x130/0x510 drivers/media/common/videobuf2/videobuf2-core.c:1676
 vb2_core_qbuf+0x87d/0x13b0 drivers/media/common/videobuf2/videobuf2-core.c:1850
 vb2_qbuf+0x31b/0x3b0 drivers/media/common/videobuf2/videobuf2-v4l2.c:827
 __video_do_ioctl+0xc28/0xde0 drivers/media/v4l2-core/v4l2-ioctl.c:3049
 video_usercopy+0x89b/0x1180 drivers/media/v4l2-core/v4l2-ioctl.c:3390
 v4l2_ioctl+0x18e/0x1e0 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+0xfe/0x170 fs/ioctl.c:890
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa22ec7dca9
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:00007fa22f9860c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa22edac1f0 RCX: 00007fa22ec7dca9
RDX: 00000000200001c0 RSI: 00000000c058560f RDI: 0000000000000005
RBP: 00007fa22ecc947e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fa22edac1f0 R15: 00007ffc464af368
 </TASK>

Crashes (9):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/05 06:03 upstream 7367539ad4b0 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in call_s_stream
2024/04/26 11:18 upstream c942a0cd3603 059e9963 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in call_s_stream
2024/04/26 09:46 upstream c942a0cd3603 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in call_s_stream
2024/04/26 09:46 upstream c942a0cd3603 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in call_s_stream
2024/04/24 03:09 upstream 9d1ddab261f3 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in call_s_stream
2024/04/23 00:11 upstream 4d2008430ce8 21339d7b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in call_s_stream
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.