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Mon, 02 Sep 2024 11:57:25 -0700 (PDT) Date: Mon, 02 Sep 2024 11:57:25 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000013050062127830a@google.com> Subject: [syzbot] [media?] WARNING in __v4l2_ctrl_modify_dimensions From: syzbot To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, mchehab@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 1934261d8974 Merge tag 'input-for-v6.11-rc5' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14d51929980000 kernel config: https://syzkaller.appspot.com/x/.config?x=996585887acdadb3 dashboard link: https://syzkaller.appspot.com/bug?extid=a828133770f62293563e compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1250552b980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1641150b980000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-1934261d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/dae6d4b5572b/vmlinux-1934261d.xz kernel image: https://storage.googleapis.com/syzbot-assets/aabe290f51ea/bzImage-1934261d.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a828133770f62293563e@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5111 at mm/util.c:665 __kvmalloc_node_noprof+0x17a/0x190 mm/util.c:665 Modules linked in: CPU: 0 UID: 0 PID: 5111 Comm: syz-executor170 Not tainted 6.11.0-rc5-syzkaller-00219-g1934261d8974 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__kvmalloc_node_noprof+0x17a/0x190 mm/util.c:665 Code: cc 44 89 fe 81 e6 00 20 00 00 31 ff e8 bf 23 bb ff 41 81 e7 00 20 00 00 74 0a e8 71 1f bb ff e9 3b ff ff ff e8 67 1f bb ff 90 <0f> 0b 90 e9 2d ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 RSP: 0018:ffffc9000323f930 EFLAGS: 00010293 RAX: ffffffff81d86cc9 RBX: 00000000da6b5000 RCX: ffff88801ca92440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff81d86cb1 R09: 00000000ffffffff R10: ffffc9000323f7a0 R11: fffff52000647ef9 R12: 00000000da6b5000 R13: ffffc9000323fa60 R14: 00000000ffffffff R15: 0000000000000000 FS: 000055555ed0c380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f12c2b010f0 CR3: 000000003d746000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __v4l2_ctrl_modify_dimensions+0x43b/0xb60 drivers/media/v4l2-core/v4l2-ctrls-api.c:999 v4l2_ctrl_modify_dimensions include/media/v4l2-ctrls.h:1013 [inline] vivid_update_format_cap+0x133c/0x2090 drivers/media/test-drivers/vivid/vivid-vid-cap.c:458 vivid_vid_cap_s_dv_timings+0x535/0x1230 drivers/media/test-drivers/vivid/vivid-vid-cap.c:1500 __video_do_ioctl+0xc26/0xde0 drivers/media/v4l2-core/v4l2-ioctl.c:3118 video_usercopy+0x89b/0x1180 drivers/media/v4l2-core/v4l2-ioctl.c:3459 v4l2_ioctl+0x18c/0x1e0 drivers/media/v4l2-core/v4l2-dev.c:364 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f12c2a8a939 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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:00007ffcb8e91828 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12c2a8a939 RDX: 0000000020000200 RSI: 00000000c0845657 RDI: 0000000000000003 RBP: 00007f12c2afd5f0 R08: 0000000000000006 R09: 0000000000000006 R10: 00236962762f7665 R11: 0000000000000246 R12: 0000000000000001 R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 --- 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 syzkaller@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 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. 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